Philip should receive $68.50 in quarterly dividends and the annual yield on this stock is about 2.81%.
To calculate the quarterly dividend that Philip need to acquire, we need to first calculate the quarterly dividend per share:
Quarterly dividend in step with share = Annual dividend per percentage / 4
In this situation, the once a year dividend in line with proportion is $2.74, so the quarterly dividend per proportion is:
Quarterly dividend per proportion = $2.74 / 4 = $0.685
For the reason that Philip owns 100 shares, his quarterly dividend should be:
Quarterly dividend = Quarterly dividend per share * number of stocks
Quarterly dividend = $0.685 * 100 = $68.50
Therefore, Philip should receive $68.50 in quarterly dividends.
To calculate the once a year yield on this inventory, we want to divide the yearly dividend in line with proportion by the present day stock price, after which multiply by way of 100 to specific the result as a percentage:
Annual yield = (Annual dividend per share / inventory price) * 100
In this case, the annual dividend per percentage is $2.74, and the inventory charge is $97.55. Plugging those values into the components, we get:
Annual yield = ($2.74 / $97.55) * 100
Annual yield ≈ 2.81%
Therefore, the annual yield on this stock is about 2.81%.
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The Bullock family is looking to rent a
large truck for their upcoming move. With Heather's Moving, they would pay
$10 for the first day plus $8 per
additional day. With Newton Rent-a-
Truck, in comparison, the family would
pay $80 for the first day plus $1 per
additional day. Before deciding on which
company to use, Mrs. Bullock wants to
find out what number of additional days
would make the two choices equivalent
with regards to cost. What would the
total cost be?
To determine the number of additional days that would make the cost equivalent for both Heather's Moving and Newton Rent-a-Truck, we can set up an equation:
Heather's Moving: 10 + 8x
Newton Rent-a-Truck: 80 + x
To find the point at which the costs are equal, we can set the equations equal to each other:
10 + 8x = 80 + x
Now, we can solve for x (additional days):
7x = 70
x = 10
So, the costs would be equivalent after 10 additional days. To find the total cost, we can plug the value of x back into either equation:
Total cost = 10 + 8(10) = 10 + 80 = $90.
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Ethan goes to the park. The park is 85km away from his house towards south. After 2. 00 minutes,Wthan is 195km away from his house towards west. Find Ethans velocity
If after 2.00 minutes, Ethan is 195km away from his house towards west, Ethan's velocity is approximately 6393 km/h.
To find Ethan's velocity, we need to first determine the distance he traveled and the time he spent traveling.
Given:
1. Initial position: Ethan's house
2. Distance to park: 85 km south
3. Final position: 195 km west from house after 2 minutes
To find the total distance, we can use the Pythagorean theorem, as the path forms a right triangle:
Distance = √(85² + 195²) = √(7225 + 38025) = √(45250) ≈ 212.72 km
Now, let's convert the time from minutes to hours:
2 minutes = 2/60 hours ≈ 0.0333 hours
Finally, we can calculate Ethan's velocity:
Velocity = Distance / Time = 212.72 km / 0.0333 hours ≈ 6393 km/h
Ethan's velocity is approximately 6393 km/h.
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In the figure, is tangent to the circle at point U. Use the figure to answer the question.
Hint: See Lesson 3. 09: Tangents to Circles 2 > Learn > A Closer Look: Describe Secant and Tangent Segment Relationships > Slide 4 of 8. 4 points.
Suppose RS=8 in. And ST=4 in. Find the length of to the nearest tenth. Show your work.
1 point for the formula, 1 point for showing your steps, 1 point for the correct answer, and 1 point for correct units.
If you do not have an answer please dont comment
The length of UT, to the nearest tenth, is approximately 10.5 inches.
How long is segment UT?
To find the length of UV, we can use the tangent-secant theorem, which states that the square of the length of the tangent segment (UV) is equal to the product of the lengths of the secant segments (RS and ST).
First, we need to find the length of RS + ST:
RS + ST = 8 in + 4 in = 12 in
Next, we can use the formula for the tangent-secant theorem:
[tex]UV^2 = RS * ST[/tex]
[tex]UV^2 = 8 in * 4 in[/tex]
[tex]UV^2 = 32 in^[/tex]
To find the length of UV, we take the square root of both sides:
[tex]UV = √32 in[/tex]
Calculating the square root, we get:
UV ≈ 5.7 in (rounded to the nearest tenth)
Therefore, the length of UV is approximately 5.7 inches.
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What is the area of a circle with a diameter of 80m? (hint : you have to find the radius first)
Answer:
A = 5026.548246 m²
Step-by-step explanation:
Equation for Area of a Circle: A = πr² where r is the radius.
The radius of a circle is always half the diameter. Since we know the diameter is 80m, we can divide by 2 to find our radius.
80/2 = 40m
Now that we have found our radius, we can plug the value into r and solve.
A = π(40)² = 5026.548246 m²
Identify the parent function for g(x) = (x + 3)^2 and describe the transformation.
The resulting graph of g(x) will resemble the graph of f(x), but it will be stretched vertically and pushed leftward by three units.
What is function?Each element of a set (referred to as the domain) is mapped by a rule known as a function to a particular element of this other set (called the range). A function is, in other words, a connection between two subsets in which every member of the domain has a unique relationship to every element of the range. One popular approach to write a function is via function notation, which entails writing the function name surrounded by the incoming signal in parentheses, as in the following example: f (x). For instance, the formula f(x) = 2x + 1 takes the input x and produces the result 2x + 1.
given,
The fundamental quadratic function f(x) = x² serves as the parent function for g(x) = (x + 3)².
Since the argument of the function (x + 3) is x shifted left by 3 units, the graph of f(x) is horizontally displaced to the left by 3 units.
Given that the coefficient of the squared term is 1, the graph of the resulting function is shifted up by a factor of 1.
As a result, the transformation can be represented as a 3 unit horizontal shift and a 1 unit vertical stretch.
The resulting graph of g(x) will resemble the graph of f(x), but it will be stretched vertically and pushed leftward by three units.
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at the three points 1. Sketch the vector field 7 (x,y) = xî + xyî (1,3), (-1,2), (3,-2)
The vector field for 7 (x,y) = xî + xyî (1,3), (-1,2), (3,-2) can be plotted with arrows with magnitude 4 at point (1,3), magnitude 3 at point (-1,2), and magnitude 3 at point (3,-2).
The given vector field 7 (x,y) = xî + xyî (1,3), (-1,2), (3,-2) can be drawn by plotting arrows at each point (x,y) in the plane with the direction and magnitude of each arrow presented by the vector
7 (x,y) = xî + xyî.
over point (1,3),
the vector is 7(1,3) = 1î + 3î = 4î.
over point (-1,2),
the vector is 7(-1,2) = -1î - 2î = -3î.
Over point (3,-2),
the vector is 7(3,-2) = 3î - 6î = -3î.
The vector field for 7 (x,y) = xî + xyî (1,3), (-1,2), (3,-2) can be plotted with arrows with magnitude 4 at point (1,3), magnitude 3 at point (-1,2), and magnitude 3 at point (3,-2).
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In 1990, when the consumer price index (CPI) was 130.7, Deena purchased a
house for $98,700. Assuming that the price of houses increased at the same
rate as the CPI from 1980 to 1990, approximately how much would the house
have cost in 1980, when the CPI was 82.4?
OA. $72,650
OB. $67,600
O C. $62,200
OD. $84,600
Answer:
C is the right answer I think
To find the cost of the house in 1980, divide the cost of the house in 1990 by the rate of increase. The house would have cost approximately $62,200 in 1980 when the CPI was 82.4.
Explanation:To find the cost of the house in 1980, we need to use the concept of inflation. In this case, we can use the consumer price index (CPI) to compare the prices of the house in 1990 and 1980.
First, we need to determine the rate of increase from 1980 to 1990. The rate of increase is calculated by dividing the CPI in 1990 by the CPI in 1980:
Rate of increase = CPI in 1990 / CPI in 1980 = 130.7 / 82.4 = 1.585
Next, we can use the rate of increase to find the cost of the house in 1980. We divide the cost of the house in 1990 by the rate of increase:
Cost in 1980 = Cost in 1990 / Rate of increase = $98,700 / 1.585 = $62,200.
Therefore, the house would have cost approximately $62,200 in 1980 when the CPI was 82.4.
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Gloria buys last year's best-selling novel, in hardcover, for $18.70 . This is with a 15% discount from the original price. What was the original price of the novel?
The original price of the novel is $21.5
How to calculate the original price of the novel ?The first step is to write out the parameters given in the question
Last year, Gloria buys a novel for $18.70
This price is with a discount of 15% form the original price
The original price of the novel can be calculated as follows
15/100 × 18.70
= 0.15 × 18.70
= 2.805
The next step is to add 2.805 to the price of the novel last year($18.70)
= 18.70 + 2.805
= 21.5
Hence the original price of the novel before the addition of the discount is $21.5
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QUESTION IN PHOTO I MARK BRAINLIEST
The value of x for the circle is,
⇒ x = 13.2
We have to given that;
In circle Y,
m arc WX = 142°
m ∠WZX = (8x - 35)°
Since, angle WZX is half the measure of arc WX,
Hence, We get;
⇒ (8x - 35)° = 142 / 2
⇒ 8x - 35 = 71
⇒ 8x = 35 + 71
⇒ 8x = 106
⇒ x = 13.2
Thus, The value of x for the circle is,
⇒ x = 13.2
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There’s are 12 levels in Kianah’s new video game. If he plays the same number of levels each day, what are all the possibilities for the number of days he could doesn’t playing the game without repeating a level
Kianah can finish the game in 1, 2, 3, 4, 6, or 12 days, depending on how many levels he plays each day.
To find all the possibilities for the number of days Kianah can play the game without repeating a level, we need to find all the factors of 12. The factors of 12 are 1, 2, 3, 4, 6, and 12. These are all the possible numbers of levels Kianah can play each day without repeating a level.
If Kianah plays 1 level each day, he will finish the game in 12 days. If he plays 2 levels each day, he will finish in 6 days. If he plays 3 levels each day, he will finish in 4 days. If he plays 4 levels each day, he will finish in 3 days. If he plays 6 levels each day, he will finish in 2 days. And if he plays all 12 levels each day, he will finish in 1 day.
Therefore, Kianah can finish the game in 1, 2, 3, 4, 6, or 12 days, depending on how many levels he plays each day. It's important to note that these possibilities assume that Kianah is able to complete all the levels he plays each day without getting stuck or repeating any levels.
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Ozone (O3) is a major component of air pollution in many cities. Atmospheric ozone levels are influenced by many factors, including weather. In one study, the mean percent relative humidity (x) and the mean ozone levels (y) were measured for 120 days in a western city. Mean ozone levels were measured in ppb. The following output (from MINITAB) describes the fit of a linear model to these data. Assume that assumptions 1 through 4 for errors in linear models hold.
The regression equation is
Ozone = 88. 8 - 0. 752 Humidity
Predictor Coef SE Coef T P
Constant 88. 761 7. 288 12. 18 0
Humidity -0. 7524 0. 13024 -5. 78 0
S = 11. 43 R-Sq = 22. 0% R-Sq(adj) = 21. 4%
Predicted Values for New Observations
New Obs Fit SE Fit 95. 0% CI 95. 0% PI
1 43. 62 1. 2 (41. 23 46. 00) (20. 86, 66. 37)
Values of Predictors for New Observations
New Obs Humidity
1 60
Required:
a. What are the slope and intercept of the least-squares line?
b. Is the linear model useful for predicting ozone levels from relative humidity? Explain.
c. Predict the ozone level for a day when the relative humidity is 50%.
d. What is the correlation between relative humidity and ozone level?
e. The output provides a 95% confidence interval for the mean ozone level for days where the relative humidity is 60%. There are n = 120 observations in this data set. Using the value "SE Fit," find a 90% confidence interval.
f. Upon learning that the relative humidity on a certain day is 60%, someone predicts that the ozone level that day will be 80ppb. Is this a reasonable prediction? If so, explain why. If not, give a reasonable range of predicted values
a. The slope and intercept of the least-squares line are -0.752 and 88.761, respectively.
b. The linear model may be useful for predicting ozone levels from relative humidity, but only to a limited extent. The R-squared value of 0.22 indicates that only 22% of the variation in ozone levels can be explained by relative humidity.
Additionally, the 95% prediction interval for a new observation (20.86, 66.37) is relatively wide, which suggests that the model may not be very precise in its predictions.
c. To predict the ozone level for a day when the relative humidity is 50%, we plug in x = 50 into the regression equation: Ozone = 88.8 - 0.752(50) = 53.8 ppb.
d. The correlation between relative humidity and ozone level can be found by taking the square root of the R-squared value, which gives us a correlation coefficient of 0.47.
This indicates a moderate positive correlation between relative humidity and ozone levels.
e. To find a 90% confidence interval for the mean ozone level for days where the relative humidity is 60%, we use the formula:
Mean ozone level ± (t-value)*(SE Fit)/sqrt(n), where the t-value is obtained from a t-distribution with n-2 degrees of freedom and a 90% confidence level.
For n = 120 and a 90% confidence level, the t-value is approximately 1.66. Plugging in the values, we get: 43.62 ± 1.66*(1.2)/sqrt(120), which simplifies to (42.39, 44.85).
f. To determine if a predicted ozone level of 80 ppb is reasonable when the relative humidity is 60%, we can calculate the 95% prediction interval for a new observation with x = 60: 43.62 ± 2.064*(11.43) = (21.18, 66.06).
Since the predicted value of 80 ppb falls outside of this range, it is not a reasonable prediction.
A more reasonable range of predicted values would be the 95% prediction interval, which gives us a range of (21.18, 66.06).
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how many shortest lattice paths start at (2, 2) and
a) end at (11, 11) and pass through (8, 10)?
b) end at (11,11) and avoid (8,10)
A. The number of shortest lattice paths from (2, 2) to (11, 11) that pass through (8, 10) is 28 * 4 = 112.
B. The number of shortest lattice paths from (2, 2) to (11, 11) that avoid (8, 10) is the total number of paths minus the number of paths that pass through (8, 10), which is 48620 - 112 = 48508.
What is combinatorics?
Combinatorics is a branch of mathematics that deals with counting and arranging the possible outcomes of different arrangements and selections of objects.
For part (a), the number of shortest lattice paths from (2, 2) to (11, 11) that pass through (8, 10) is given by the product of the number of shortest lattice paths from (2, 2) to (8, 10) and from (8, 10) to (11, 11).
To find the number of shortest lattice paths from (2, 2) to (8, 10), we can count the number of ways to choose 6 steps up out of 8 total steps (the remaining 2 steps are to the right), which is 8 choose 6 = 28.
Similarly, the number of shortest lattice paths from (8, 10) to (11, 11) is the number of ways to choose 1 step up out of 4 total steps (the remaining 3 steps are to the right), which is 4 choose 1 = 4.
Therefore, the number of shortest lattice paths from (2, 2) to (11, 11) that pass through (8, 10) is 28 * 4 = 112.
b) To find the number of shortest lattice paths from (2, 2) to (11, 11) that avoid (8, 10), we can use the principle of inclusion-exclusion.
Let's first count the number of shortest lattice paths from (2, 2) to (11, 11) without any restrictions. Since we can only move up or to the right, the number of such paths is the number of ways to choose 9 steps up out of 18 total steps (the remaining 9 steps are to the right), which is 18 choose 9 = 48620.
Next, we count the number of shortest lattice paths from (2, 2) to (11, 11) that pass through (8, 10). Using the method described in part (a), we found that the number of such paths is 28 * 4 = 112.
Therefore, the number of shortest lattice paths from (2, 2) to (11, 11) that avoid (8, 10) is the total number of paths minus the number of paths that pass through (8, 10), which is 48620 - 112 = 48508.
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a)cos 165 in terms of sine and cosine of acute angle
Cos(165) in terms of sine and cosine of an acute angle is -1 + 2sin^2(7.5).
How did we get the value?We can use the trigonometric identity cos(180 - x) = -cos(x) to find cos(165) in terms of cosine of an acute angle.
Since 165 = 180 - 15, we have:
cos(165) = cos(180 - 15) = -cos(15)
To express cos(15) in terms of sine and cosine of an acute angle, we can use the following trigonometric identities:
sin(2x) = 2sin(x)cos(x) and cos(2x) = cos^2(x) - sin^2(x)
Let's take x = 7.5, which is half of 15 (the acute angle):
sin(15) = 2sin(7.5)cos(7.5)
cos(15) = cos^2(7.5) - sin^2(7.5)
Now, we can solve for cos(15):
cos(15) = cos^2(7.5) - sin^2(7.5)
= (1 - sin^2(7.5)) - sin^2(7.5)
= 1 - 2sin^2(7.5)
Therefore, we have:
cos(165) = -cos(15)
= -[1 - 2sin^2(7.5)]
= -1 + 2sin^2(7.5)
So, cos(165) in terms of sine and cosine of an acute angle is -1 + 2sin^2(7.5).
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A taxi drives at a speed of 40 kilometers (km) per hour. How far does it travel in 210 minutes?
The taxi travels 140 kilometers in 210 minutes at a speed of 40 km/h.
Let's calculate the distance a taxi travels in 210 minutes at a speed of 40 km/h.
Convert minutes to hours
Since the speed is given in km/h, we need to convert 210 minutes into hours.
There are 60 minutes in an hour, so divide 210 by 60:
210 minutes ÷ 60 = 3.5 hours
Calculate the distance
Now that we have the time in hours, we can use the formula for distance:
Distance = Speed × Time
In this case, the speed is 40 km/h, and the time is 3.5 hours.
Plug these values into the formula:
Distance = 40 km/h × 3.5 hours
Compute the result
Multiply the speed by the time to find the distance:
Distance = 140 km.
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-9 -7 -5 sequence name pls
Jay has five fewer $100 bills in his wallet than $50 bills. If he has only $50 and $100 bills in his wallet, and the total amount of money in his wallet is $1300, let’s find the number of notes of each denomination.
Let’s assume the number of $50 bills as x. So, in terms of x, the number of $100 notes can be represented as ____.
Now, the total amount contributed by $50 notes is $50x
And. The total amount contributed by $100 bills is $100×( ____ )
Jay has 7 $100 bills in his wallet.
Let's assume the number of $50 bills as x. So, in terms of x, the number of $100 notes can be represented as x - 5.
Now, the total amount contributed by $50 notes is $50x.
And the total amount contributed by $100 bills is $100*(x-5).
Since the total amount of money in his wallet is $1300, we can write an equation:
$50x + $100*(x-5) = $1300
Simplifying this equation, we get:
$50x + $100x - $500 = $1300
$150x = $1800
x = 12
So, Jay has 12 $50 bills in his wallet.
Using the earlier equation, the number of $100 bills can be found:
x - 5 = 12 - 5 = 7
Therefore, Jay has 7 $100 bills in his wallet.
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In parallelogram best, diagonals bs and et bisect each other at o.
1. if es = 10cm, how long is bt?
2. if be = 13cm, how long is ts?
3. if eo = 6cm and so = 7cm, what is the length of et? bs?
4. if et + bs = 18cm and so = 5cm, find et and bs.
When the parallelogram, diagonals bs and et bisect at each other at o, we get the following answers:
1. In a parallelogram, the diagonals bisect each other. So, if ES = 10 cm, then EO = OS = 5 cm. Since EO and OS are half of the diagonal ET, then ET = EO + OS = 5 cm + 5 cm = 10 cm. Similarly, diagonal BT will also be equal to 10 cm, as it has the same length as diagonal ET.
2. In a parallelogram, opposite sides are equal. So, if BE = 13 cm, then TS = 13 cm, as they are opposite sides.
3. If EO = 6 cm and SO = 7 cm, then the length of diagonal ET is EO + OS = 6 cm + 7 cm = 13 cm. Since the diagonals of a parallelogram are equal, the length of diagonal BS will also be 13 cm.
4. If ET + BS = 18 cm and SO = 5 cm, we can use the fact that diagonals bisect each other to find ET and BS. Let EO = x cm. Then, ET = 2x cm and BS = 2(5-x) cm. Now, we can set up the equation: 2x + 2(5-x) = 18. Solving for x, we get x = 4 cm. So, ET = 2x = 8 cm and BS = 2(5-x) = 10 cm.
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.PLEASEEEEEEEEEEEEEE
Answer:
#1 (176 - x)°
#2 m∠3 = m∠4 = 90°
Step-by-step explanation:
If a pair of parallel lines are cut by a transversal, there are several angles that are either equal to each other or are supplementary(angles add up to 180°).
For the specific questions...
For #1.
Angles ∠1 and ∠2 are supplementary angles since they are adjacent to each other and lie on the same straight line
Therefore
m∠1 + m∠2= 180°
Given m∠1 = (x + 4)° this becomes
(x + 4)° + m∠2 = 180°
m∠2 = 180° - (x + 4)°
= 180° - x° - 4°
= (176 - x)°
For #2
∠3 and ∠4 are supplementary angles so m∠3 + m∠4 = 180°
If m∠3 = m∠4 each of these angles must be half of 180°
So
m∠3 = m∠4 = 180/2 = 90°
Triangle abc lies on the plane such that point b is at b(-8,-4). the midpoint of side ac is m with coordinates m(7,5). if a segment from a was drawn to the midpoint of side bc then where would it intersect bm
If a segment from a was drawn to the midpoint of side AB then where would it intersect BM is AN = 2.5cm and MN = 3.5cm.
A midpoint is a point in the midway of a line connecting two locations. The two reference points are the line's ends, and the midpoint is located between the two. The midway splits the line connecting these two places in half. Furthermore, a line drawn to bisect the line connecting these two points passes through the midpoint.
The midpoint formula is used to locate the midway between two places with known coordinates. If we know the coordinates of the other endpoint and the midpoint, we can apply the midpoint formula to obtain the coordinates of the endpoint.
ΔAMN = ΔABC (Corresponding angles)
ΔANM = ΔACB (Corresponding angles)
ΔAMN ≈ ΔABC (By AA similarity test)
[tex]\frac{AM}{AB} =\frac{AN}{AC} =\frac{MN}{BC}[/tex] (CPST)
Since, M is mid-point of AB,
AM = 1/2AB, or, AM/AB = 1/2
AM/AB = AN/AC = 1/2.
AN/AC = 1/2
AN/5 =1/2 [AC = 5cm]
MN/7 =1/2 [BC = 7cm]
MN = 7/2 = 3.5
AN = 2.5cm and MN = 3.5cm.
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AREA OF TRAPEZOID PLS ANSWER ASAP
1
type the correct answer in each box. use numerals instead of words. if necessary, use / for the fraction bar.
given the directrix = 6 and the focus (3,-5), what is the vertex form of the equation of the parabola?
the vertex form of the equation is r =
(y +
reset
next
The vertex form of the equation of the parabola is:
r = (1/24)(y - 1)^2 + 3
Since the directrix is a horizontal line, the axis of the parabola is vertical. Therefore, the vertex form of the equation of the parabola is:
r = a(y - k)^2 + h
where (h, k) is the vertex of the parabola and "a" is a constant that determines the shape and orientation of the parabola.
Since the focus is (3,-5), the vertex of the parabola is halfway between the focus and the directrix. The directrix is 6 units above the vertex, so the vertex is (3,1).
We can use this information to write the vertex form of the equation:
r = a(y - 1)^2 + 3
To find the value of "a", we need to use the distance formula between the vertex and the focus:
distance = |y-coordinate of focus - y-coordinate of vertex| = 6
| -5 - 1 | = |-6| = 6
Using the definition of the parabola, the distance from the vertex to the focus is also equal to 1/(4a). Therefore:
1/(4a) = 6
a = 1/(4*6) = 1/24
Substituting this value of "a" into the vertex form equation, we get:
r = (1/24)(y - 1)^2 + 3
Therefore, the vertex form of the equation of the parabola is:
r = (1/24)(y - 1)^2 + 3
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SOMEONE HELPP!! giving brainlist to anyone who answers
Answer:
Rahul:
[tex]53000( {1.02875}^{7} ) = 64631.59[/tex]
Layla:
[tex]53000 {e}^{.0225 \times 7} = 62040.78[/tex]
$64,631.59 - $62,040.78 = $2,590.81
After 7 years, Rahul's account will have $2,591 more than Layla's account.
Lines AC←→
and DB←→
intersect at point W. Also, m∠DWC=138°
.
The measure of the angles are m∠DWC=138°, ∠AWB = 138°, ∠AWD = 42°, ∠BWC = 42°
How do we calculate?The Vertical angle theorem states that if two lines intersect at a point then vertically opposite angles are congruent.
To find the measure of all the angles:
∠AWB and ∠DWC are vertically opposite angles.
Therefore, ∠AWB = ∠DWC
⇒ ∠AWB = 138°
we know that the Sum of all the angles in a straight line = 180°
⇒ ∠AWD + ∠DWC = 180°
⇒ ∠AWD + 138° = 180°
⇒ ∠AWD = 180° – 138°
⇒ ∠AWD = 42°
Since ∠AWD and ∠BWC are vertically opposite angles.
Therefore, ∠AWD = ∠BWC
⇒ ∠BWC = 42°
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#complete question:
Lines AC←→ and DB←→ intersect at point W. Also, m∠DWC=138° .
Enter the angle measure for the angle shown.
see attached image:
Nosaira solved an equation. her work is shown below: 3(2x 1 ) = 2(x 1) 1 6x 3 = 2x 2 1 6x 3 = 2x 3 4x = 0 x = 0 she determines the equation has no solution. which best describes nosaira’s work and answer? her work is correct, but there is one solution rather than no solution. her work is correct and her interpretation of the answer is correct. her work is incorrect. she distributed incorrectly. her work is incorrect. she moved terms across the equals sign incorrectly.
Nosaira's work is incorrect. Her mistake is in the step where she simplifies the expression 2x+1 on the left side of the equation by multiplying it with 3. She distributed the 3 only to the 2x term, but forgot to distribute it to the 1 term as well.
So, the correct expression on the left side should be 6x+3 instead of 6x+1. This mistake leads to the wrong equation 6x+3=2x^2-1, and when she tries to solve for x, she ends up with the equation 4x=0, which only has one solution, x=0.
Therefore, Nosaira's interpretation of the answer as having no solution is incorrect. The original equation actually does have a solution, which is x=1/2. If we correct the mistake in her work, we can see that the equation becomes [tex]6x+3=2x^2-1[/tex], which simplifies to [tex]2x^2-6x-4=0[/tex]. We can then factor out 2 to get [tex]x^2-3x-2=0[/tex], which can be factored further into (x-2)(x+1)=0. Therefore, the solutions are x=2 and x=-1, but we need to reject the negative solution as it does not satisfy the original equation.
In conclusion, Nosaira made a mistake in distributing the coefficient 3, which led to an incorrect equation and an incorrect interpretation of the answer. It is important to be careful and check our work, especially when dealing with algebraic expressions and equations.
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Write a derivative formula for the function.
f(x) = 12.7(4.1^x) / x^2
The answer is:
[tex]f'(x) = 12.7(4.1^x)(ln(4.1)/x - 2/x^2)[/tex]
What is quotient rule?The derivative of f(x), we can use the quotient rule. Let's define
[tex]u(x) = 12.7(4.1^x)[/tex]. [tex]v(x) = x^2[/tex]Then:
[tex]f(x) = u(x)/v(x) = (12.7(4.1^x))/x^2[/tex][tex]f'(x) = [v(x)u'(x) - u(x)v'(x)]/v(x)^2[/tex][tex]f'(x) = [(x^2)(12.7(4.1^x)ln(4.1)) - (12.7(4.1^x))(2x)]/x^4[/tex]Simplifying this expression gives:
[tex]f'(x) = 12.7(4.1^x)(ln(4.1)/x - 2/x^2)[/tex]To find the derivative of f(x), we used the quotient rule, which states that the derivative of a quotient of two functions is equal to (the denominator times the derivative of the numerator minus the numerator times the derivative of the denominator) divided by the denominator squared.
In our case, we defined u(x) and v(x) as the numerator and denominator, respectively, and used the formula to find the derivative of f(x).The derivative of u(x) is found using the chain rule and the derivative of [tex]4.1^x[/tex], which is [tex]4.1^x[/tex] times the natural logarithm of 4.1.
The derivative of v(x) is simply 2x. We then substitute these values into the quotient rule formula and simplify the resulting expression to get the final derivative formula:
[tex]f'(x) = 12.7(4.1^x)(ln(4.1)/x - 2/x^2)[/tex]This formula tells us the slope of the tangent line to the graph of f(x) at any given point x.
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Polygon JKLM is drawn with vertices J(−2, −5), K(−4, 0), L(−1, 2), M (0, −1). Determine the image coordinates of K′ if the preimage is translated 6 units up.
A. K′(−10, 0)
B. K′(−4, −6)
C. K′(−4, 6)
D. K′(2, 0)
The coordinates of the images after the translation are K' (-4, 6).
Finding the coordinates of the image of points K'To find the image coordinates of K', we need to translate the coordinates of K 6 units up.
This can be done by adding 6 to the y-coordinate of K.
So, the y-coordinate of K' will be:
y-coordinate of K' = y-coordinate of K + 6
= 0 + 6
= 6
To find the x-coordinate of K', we just need to keep the x-coordinate of K the same, since the translation is only in the vertical direction.
Therefore, the image coordinates of K' are (-4, 6).
So, the correct answer is C. K′(−4, 6).
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Next Problem (1 point) Suppose f"(x) = -(sin(x)), f'(0) = 0, and f(0) = -3. - Find f(1/4). f(1/4) = 1
f(1/4) is approximately equal to -2.9974. The problem states that f"(x) = -(sin(x)), which means that the second derivative of the function f(x) is equal to the negative of the sine of x. We are also given that f'(0) = 0 and f(0) = -3.
To find f(1/4), we need to use the information given to us and apply the process of integration. We know that the first derivative of f(x) is f'(x), so we need to integrate f"(x) to find f'(x). Integrating the negative sine function will give us the cosine function, so:
f'(x) = -cos(x) + C
Where C is a constant of integration. To find the value of C, we use the fact that f'(0) = 0:
0 = -cos(0) + C
C = 1
So now we have:
f'(x) = -cos(x) + 1
Next, we integrate f'(x) to find f(x):
f(x) = -sin(x) + x + D
Where D is another constant of integration. We can find the value of D by using the fact that f(0) = -3:
-3 = -sin(0) + 0 + D
D = -3
So finally, we have:
f(x) = -sin(x) + x - 3
Now we can find f(1/4):
f(1/4) = -sin(1/4) + (1/4) - 3
f(1/4) = -0.2474 + 0.25 - 3
f(1/4) = -2.9974
Therefore, f(1/4) is approximately equal to -2.9974.
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Stevie has a yard cleanup business. He initially spent $175 for equipment (mower, rakes, bags, etc. ). He charges $12 hours for cleanup. How many hours of work will he need to do in order to make at least $1200? (Let hh = number of hours worked)
Stevie will need to work at least 150 hours to make at least $1200 after accounting for the initial cost of equipment.
How to find hours of work?to find the business hours of work, Let's start by defining the variables given in the problem:
The initial cost of equipment is $175.
Stevie charges $12 per hour for cleanup.
Stevie wants to make at least $1200.
The number of hours worked is represented by h.
Now, we can set up an equation to solve for h:
Total earnings - Total cost = Desired profit
We can express the total earnings as the product of the hourly rate and the number of hours worked:
Total earnings = $12h
The total cost includes the initial cost of equipment plus any additional costs incurred during cleanup:
Total cost = $175 + additional costs
Since we don't know the value of the additional costs, we'll leave it as a variable.
Substituting these expressions into the equation, we get:
$12h - ($175 + additional costs) = $1200
Simplifying the equation, we get:
$12h - $175 - additional costs = $1200
$12h - $1375 = additional costs + $1200
$12h - $1375 = additional costs
Now we have an equation that relates the number of hours worked to the additional costs incurred during cleanup. We want to find the minimum value of h that satisfies this equation, since Stevie wants to make at least $1200.
To do this, we need to estimate the additional costs incurred during cleanup. Let's assume that Stevie spends an average of $4 per hour on additional costs (e.g., gasoline, trash bags, etc.). Then, the equation becomes:
$12h - $1375 = $4h + $175
Simplifying further, we get:
$8h = $1200
h = 150
Therefore, Stevie will need to work at least 150 hours to make at least $1200 after accounting for the initial cost of equipment and the estimated additional costs incurred during cleanup.
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The height of the carton is 7 inches. It is made out of a piece of specialized cardboard. It
requires approximately 349 square inches of specialized cardboard to make a carton.
3. How much specialized cardboard will be needed to make just one of the larger faces of the
carton?
square inches
Show how you figured it out.
The amount of cardboard needed to make just one of the larger faces of the carton is 62.72 square inches.
To find out the amount of cardboard needed to make just one of the larger faces of the carton, we need to first determine the dimensions of the face. Since we know the height of the carton is 7 inches, we need to figure out the length and width of the face.
Assuming the carton is rectangular, we can use the formula for the surface area of a rectangular prism to find the total amount of specialized cardboard needed for the entire carton. The formula is:
Surface area = 2lw + 2lh + 2wh
where l, w, and h are the length, width, and height of the prism, respectively.
We know that the carton requires approximately 349 square inches of specialized cardboard to make, so we can set up the equation:
349 = 2lw + 2lh + 2wh
Since we are only interested in finding the amount of cardboard needed for one of the larger faces, we can assume that one of the dimensions (either length or width) is equal to the height of the carton (7 inches). Let's say that the other dimension is the length (l). Then we can rewrite the equation as:
349 = 2(7)(l) + 2(7)(h) + 2wh
349 = 14l + 14h + 2wh
Now we can substitute the value of h (7) into the equation:
349 = 14l + 14(7) + 2w(7)
349 = 14l + 98 + 14w
251 = 14l + 14w
251/14 = l + w
We don't know the exact dimensions of the face, but we do know that the sum of the length and width is 251/14 inches. Since the face is rectangular, we can assume that the length and width are equal (otherwise it would be a different shape). Therefore, each dimension would be half of 251/14 inches:
l = w = (251/14)/2 = 8.96 inches (rounded to two decimal places)
Now we can use the formula for the area of a rectangle to find the amount of specialized cardboard needed for one face:
Area = length x width
Area = 8.96 x 7
Area = 62.72 square inches
Therefore, approximately 62.72 square inches of specialized cardboard will be needed to make just one of the larger faces of the carton.
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Identify and describe each quadrilateral. Write square, rectangle, rhombus, trapezoid, or parallelogram on the blanks provided before each number.
_________1. Has one pair of parallel sides.
_________2. Has two pairs of parallel sides and its opposite sides are equal.
_________3. Is a parallelogram and four right angles and four equal sides.
_________4. A parallelogram and four equal sides (a slanted square)
_________5. A parallelogram that has four right angles and it's opposite sides are parallel.
â
Trapezoid 1. Has one pair of parallel sides.
Parallelogram 2. Has two pairs of parallel sides and its opposite sides are equal.
Square 3. Is a parallelogram and four right angles and four equal sides.
Rhombus 4. A parallelogram and four equal sides (a slanted square)
Rectangle 5. A parallelogram that has four right angles and it's opposite sides are parallel.
1. Trapezoid: A trapezoid has one pair of parallel sides, while the other two sides are non-parallel. The parallel sides are called bases, and the non-parallel sides are called legs.
2. Parallelogram: A parallelogram has two pairs of parallel sides and its opposite sides are equal. The opposite angles are also equal, and the consecutive angles are supplementary.
3. Square: A square is a parallelogram with four right angles and four equal sides. It is a special case of both a rectangle and a rhombus, as it has all their properties.
4. Rhombus: A rhombus is a parallelogram with four equal sides, which can be thought of as a slanted square. It has opposite equal angles, and its diagonals are perpendicular bisectors, dividing the rhombus into four congruent right-angled triangles.
5. Rectangle: A rectangle is a parallelogram that has four right angles, and its opposite sides are parallel. The opposite sides are also equal, and its diagonals are congruent, bisecting each other at right angles.
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