The answer is option C) 30,700
Why the answer is option C?The problem involves using linear interpolation to estimate the population of Little Elm in 2020 based on the given data from 2010 and 2015.
To start, we need to calculate the annual growth rate of the population between 2010 and 2015. This can be done by taking the difference between the population in 2015 and the population in 2010, and then dividing that difference by the number of years in that time period:
Annual growth rate = (17,150 - 3,646) / 5 = 2,700
This means that, on average, the population of Little Elm grew by 2,700 people per year between 2010 and 2015.
Next, we can use this annual growth rate to estimate the population of Little Elm in 2020. To do this, we need to add 10 years of growth to the initial population of 3,646 (since we want to estimate the population in 2020, which is 10 years after 2010):
Estimated population in 2020 = 3,646 + (2,700 x 10) = 30,646
Therefore, the estimated population of Little Elm in 2020 is approximately 30,700, which corresponds to answer choice C.
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A cylindrical water tank has a diameter of 60 feet and a water level of 10 feet. If the water level increases by 2 inches, how many more cubic feet of water will be in the tank, to the nearest cubic foot?
After formula for the volume of a cylinder, the increase in water level results in approximately 260 more cubic feet of water in the tank.
The current water level is 10 feet, which is 120 inches. When the water level increases by 2 inches, the new water level will be 122 inches.
The radius of the tank is half of the diameter, which is 30 feet or 360 inches.
The current volume of water in the tank can be calculated using the formula for the volume of a cylinder: V = πr²h, where r is the radius and h is the height of the water level.
V = π(360²)(120) ≈ 15,465,920 cubic inches
When the water level increases by 2 inches, the new height of the water level is 122 inches.
The new volume of water in the tank can be calculated using the same formula:
V = π(360²)(122) ≈ 15,914,693 cubic inches
The difference in volume between the two levels is:
15,914,693 - 15,465,920 = 448,773 cubic inches
To convert cubic inches to cubic feet, we divide by 1728:
448,773 ÷ 1728 ≈ 259.6 cubic feet
Rounding to the nearest cubic foot, we get:
260 cubic feet
Therefore, the increase in water level results in approximately 260 more cubic feet of water in the tank.
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So far you have completed 816 miles
which is 48% of the trail.
Assuming that the trail is a total of "x" miles, we can set up the following equation to solve for "x":
816 = 0.48x
To solve for "x", we can divide both sides by 0.48:
x = 1700
Therefore, the total length of the trail is 1700 miles.
helpp me with this question please
Answer:
24
Step-by-step explanation:
add all of them up
A parabola can be drawn given a focus of (−4,5) and a directrix of y=−9. what can be said about the parabola?
The parabola with a focus of (-4, 5) and a directrix of y = -9 is vertically oriented, opens upward, has a vertex at (-4, -2), and its equation is (x + 4)^2 = 28(y + 2).
1. The parabola is vertically oriented since the directrix is a horizontal line.
2. The vertex of the parabola is equidistant from the focus and the directrix. To find the vertex, we can calculate the midpoint between the focus and a point on the directrix with the same x-coordinate: (-4, -9 + (5 - (-9))/2) = (-4, -9 + 7) = (-4, -2).
3. The parabola opens upward because the focus is above the directrix.
4. The equation of the parabola can be found using the vertex form: (x - h)^2 = 4p(y - k), where (h, k) is the vertex and p is the distance between the vertex and the focus or directrix. In this case, (h, k) = (-4, -2), and p = (5 - (-2)) = 7. The equation is therefore (x + 4)^2 = 28(y + 2).
In summary, the parabola with a focus of (-4, 5) and a directrix of y = -9 is vertically oriented, opens upward, has a vertex at (-4, -2), and its equation is (x + 4)^2 = 28(y + 2).
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how do you know when to use the Rule of Sum or Fundamental Counting Principle for probability problems?
If the events are exclusive, use the Rule of Sum. If the events are independent, use the Fundamental Counting Principle.
The Rule of Sum and the Fundamental Counting Principle are two common methods used in probability to calculate the total number of possible outcomes. Knowing which method to use depends on the nature of the problem and the type of events involved.
The Rule of Sum is used when we have two or more exclusive events. This means that only one of the events can happen at a time. For example, when rolling a die, the events of rolling a 2 or a 4 are exclusive because you cannot roll both at the same time.
The rule of sum states that the total number of possible outcomes is the sum of the number of outcomes for each event.
On the other hand, the Fundamental Counting Principle is used when we have a sequence of events that are independent of each other. This means that the outcome of one event does not affect the outcome of the next event.
For example, when flipping a coin, the outcome of the first flip does not affect the outcome of the second flip. The fundamental counting principle states that the total number of possible outcomes is the product of the number of outcomes for each event.
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50 POINTS ASAP Polygon ABCD with vertices at A(−4, 6), B(−2, 2), C(4, −2), and D(4, 4) is dilated using a scale factor of five eighths to create polygon A′B′C′D′. If the dilation is centered at the origin, determine the vertices of polygon A′B′C′D′.
A′(5.8, −3), B′(1.6, −1.5), C′(−1.6, 3), D′(2.5, 3)
A′(−16, 24), B′(−8, 8), C′(16, −24), D′(16, 16)
A′(2.5, −3.75), B′(1.25, −1.25), C′(−2.5, 1.25), D′(−2.5, −2.5)
A′(−2.5, 3.75), B′(−1.25, 1.25), C′(2.5, −1.25), D′(2.5, 2.5)
Answer:
A′(−2.5, 3.75), B′(−1.25, 1.25), C′(2.5, −1.25), D′(2.5, 2.5)
Step-by-step explanation:
in the described situation you only need to multiply the coordinates by the scale factor (in our case the given 5/8)
A (-4, 6) turns into
A' (-4×5/8, 6×5/8) = A' (-2.4, 3.75)
and therefore we know already here that all the other answer options are wrong.
A telephone pole has a wire attached to its top that is anchored to the ground. the distance from the bottom of the pole to the anchor point is
69 feet less than the height of the pole. if the wire is to be
6 feet longer than the height of the pole, what is the height of the pole?
A telephone pole has a wire attached to its top that is anchored to the ground then conclude the height of the pole is approximately 51.53 feet.
Let h be the height of the pole. The equation h = (h - 69) + 6 represents the given information. Solving it gives h = 75.
Let's denote the height of the pole as "h". Then, according to the problem, the distance from the bottom of the pole to the anchor point is 69 feet less than the height of the pole, which means it is h - 69. Additionally, the wire is to be 6 feet longer than the height of the pole, so its length is h + 6.
Now we can use the Pythagorean theorem, which states that in a right triangle, the square of the length of the hypotenuse (in this case, the wire) is equal to the sum of the squares of the lengths of the other two sides (in this case, the height of the pole and the distance from the bottom of the pole to the anchor point). So we have:
(h - 69)^2 + h^2 = (h + 6)^2
Expanding and simplifying, we get:h^2 - 138h + 4761 + h^2 = h^2 + 12h + 36
Rearranging and simplifying, we get:h^2 - 75h - 1602 = 0
We can solve for h using the quadratic formula:h = (-b ± sqrt(b^2 - 4ac)) / 2a
where a = 1, b = -75, and c = -1602.
Plugging in these values, we get:h = (75 ± sqrt(75^2 - 4(1)(-1602))) / 2(1)
h ≈ 51.53 or h ≈ -31.53
Since the height of the pole cannot be negative, we can ignore the negative solution and conclude that the height of the pole is approximately 51.53 feet.
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If a={0,1,2} and b={-1,1,2} then what is the relation a into b
The relation a into b represent all possible combinations of elements in a and b as ordered pairs.
The relation "a into b" refers to the cartesian product of the sets a and b, which is denoted by a × b. The cartesian product of two sets is a set of all possible ordered pairs, where the first element of each ordered pair comes from the first set, and the second element comes from the second set.
In this case, a = {0, 1, 2} and b = {-1, 1, 2}. So, their cartesian product a × b is the set of all possible ordered pairs (a, b), where a is an element of a and b is an element of b. Therefore, we have:
a × b = {(0, -1), (0, 1), (0, 2), (1, -1), (1, 1), (1, 2), (2, -1), (2, 1), (2, 2)}
This means that the relation a into b consists of all possible combinations of elements in a and b as ordered pairs.
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the table shows the outputs for several inputs. use two methods to find the output for an imput of 200
imputs: 0 1 2 3 4
outputs: 25 30 35 40 45
Answer:
Method 1 (Using Slope-Intercept Form):
First, we need to find the equation of the line that passes through the given points.
Slope (m) = (Change in y) / (Change in x) = (45 - 25) / (4 - 0) = 20 / 4 = 5
Using the slope and one point (0, 25), we can find the y-intercept:
y - y1 = m(x - x1)
y - 25 = 5(x - 0)
y = 5x + 25
Therefore, when the input is 200, the output would be:
y = 5(200) + 25
y = 1025
Method 2 (Using Linear Interpolation):
We can use the formula for linear interpolation:
y = y1 + ((x - x1) / (x2 - x1)) * (y2 - y1)
where:
x1 = 0, y1 = 25
x2 = 4, y2 = 45
x = 200
Substituting the values, we get:
y = 25 + ((200 - 0) / (4 - 0)) * (45 - 25)
y = 25 + (200 / 4) * 20
y = 25 + 500
y = 525
Therefore, when the input is 200, the output would be approximately 525.
Find the derivative of the function. f(x) = (5x - 5)(Vx+3) - 1/2 O A. f'(x) = 3.33x - 1/2 - 2.5x + 15 - 1/2 OB. f'(x) = 3.33% - 1/2 - 5x + 15 O c. f'(x) = 7.5x1/2 ) - 5x - 1/2 + 15 OD/2 O D. f'(x) = 7
To get the derivative of the function f(x) = (5x - 5)(√x + 3) - 1/2, we'll first need to use the product rule and then simplify the expression. The product rule states that if you have a function g(x)h(x), its derivative is g'(x)h(x) + g(x)h'(x).
Let g(x) = 5x - 5 and h(x) = √x + 3.
Step 1: the derivatives of g(x) and h(x).
g'(x) = 5 (derivative of 5x - 5)
h'(x) = 1/(2√x) (derivative of √x + 3)
Step 2: Apply the product rule.
f'(x) = g'(x)h(x) + g(x)h'(x)
f'(x) = 5(√x + 3) + (5x - 5)(1/(2√x))
Step 3: Simplify the expression.
f'(x) = 5√x + 15 + (5x - 5)/(2√x)
This is the derivative of the function f(x) = (5x - 5)(√x + 3) - 1/2. Note that none of the given answer choices match this result, so there might be a mistake in the provided options.
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A shipping company uses baggage tags with 3-letter city codes. The first and third letters of each code are always consonants and the middle letter is always a vowel (CVC). The English language uses 21 consonants and 5 vowels. How many different combinations of tag codes are possible? I will give brainliest to the best
(A) 105
(B)441
(C) 1,638
(D)2,205
The correct answer is (D) 2,205.
How to calculate the number of different combinations of baggage tag codes for a shipping company?To calculate the number of different combinations of tag codes, we need to consider the possible options for each position in the code.
For the first and third positions (consonants), we have 21 options for each position since there are 21 consonants in the English language.
For the middle position (vowel), we have 5 options since there are 5 vowels in the English language.
Therefore, the total number of different combinations is calculated by multiplying the number of options for each position:
21 (consonant options) * 5 (vowel options) * 21 (consonant options) = 2,205
Therefore, the correct answer is (D) 2,205.
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Use the properties of limits to help decide whether the limit exists. If the limit exists, find its value. x? lim -9 X-3 X+3 Simplify the rational expression. x²-9 x+3 Evaluate the limit or determine that it does not exist. Select the correct choice below and, if necessary, fill in the answer box within your choice. ОА, 9 lim X-3X+3 (Simplify your answer.) B. The limit does not exist and is neither co nor - 00.
Answer: B.
Given expression: (-9x) / (x^2 - 9)
Simplify the rational expression by factoring the denominator:
(x^2 - 9) = (x + 3)(x - 3)
= (-9x) / [(x + 3)(x - 3)]
Now, we can evaluate the limit as x approaches 3:
lim (x -> 3) [(-9x) / ((x + 3)(x - 3))]
Since the expression is defined and continuous at x = 3, we can directly substitute the value of x:
((-9 * 3) / ((3 + 3)(3 - 3))) = (-27) / (6 * 0)
The denominator becomes zero, which means the limit does not exist, and is neither ∞ nor -∞. So, the correct choice is B. The limit does not exist and is neither ∞ nor -∞.
Dean's family goes on a road trip every summer. This scatter plot shows the number of days
they traveled and how far they went during their last 7 road trips.
What was the most common distance?(miles)
The most common distance in miles would be = 1,200 miles.
How to determine the most common distance that was travelled?To determine the distance that is most travelled the following is considered;
The total number of road trips = 7
On day 3 the distance travelled = 600 and 1,200 miles
On day 4 the distance travelled = 1,000,1,100 and 1,200 miles
On day 5 the distance travelled = 800 miles.
On day 6 the distance travelled = 1,300 miles
Therefore the most travelled distance = 1,200 miles.
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Let f(x)= -2x+4 and g(x)= 3x^2. Find (f+g)(x) and (f-g)(x)
State the domain of each.
Evaluate the following: (f+g)(-3) and (f-g)(-3)
The scope of both functions is all real numbers.
How to solveTo compute the values of (f+g)(x) and (f-g)(x), we apply the addition and subtraction of two distinct functions, respectively:
(f+g)(x) = f(x) + g(x) = [tex](-2x + 4) + (3x^2) = 3x^2 - 2x + 4[/tex]
(f-g)(x) = f(x) - g(x) = [tex](-2x + 4) - (3x^2) = -3x^2 - 2x + 4[/tex]
The scope of both functions is all real numbers.
Subsequently, we evaluate the expressions for x = -3:
(f+g)(-3) = [tex]3(-3)^2 - 2(-3) + 4[/tex] = 3(9) + 6 + 4 = 27 +6 +4 = 37
(f-g)(-3) = [tex]-3(-3)^2 - 2(-3) + 4[/tex]= -3(9) + 6 + 4 = -27 + 6 + 4 = -17
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This diagram shows an equilateral triangle and three lines, p, q, and r, that meet at the
triangle's center, T.
Select all of the transformations that map the triangle onto itself.
reflection across line q followed by 90° clockwise rotation about point T
reflection across line p followed by 240 clockwise rotation about point T
reflection across liner
270 clockwise rotation about point T
120 counterclockwise rotation about point 7
180 counterclockwise rotation about point 7 followed by reflection across
sine q
Answer:
-Reflection across line p followed by 240 clockwise rotation about point T.
-Reflection across line r.
-120 counterclockwise rotation about point T.
Step-by-step explanation:
All these transformations map the triangle onto itself.
Position vector = 3 ti + tj + 1/4t^2k
Time = 2
Find the velocity vector, speed, and acceleration vector of the object.
the velocity vector of the object is v(2) = 3i + j + k, the speed is sqrt(11), and the acceleration vector is a(t) = (1/2)k.
We're given the position vector and time and asked to find the velocity vector, speed, and acceleration vector of the object. Let's solve this step-by-step.
1. Differentiate the position vector with respect to time (t) to find the velocity vector:
Position vector: r(t) = 3ti + tj + (1/4)t^2k
Velocity vector: v(t) = dr(t)/dt = d(3ti)/dt + d(tj)/dt + d((1/4)t^2k)/dt
v(t) = 3di/dt + dj/dt + (1/2)tk
v(t) = 3i + j + (1/2)tk
2. Plug in the given time (t = 2) into the velocity vector to find the velocity at that time:
v(2) = 3i + j + (1/2)(2)k
v(2) = 3i + j + k
3. Find the speed by calculating the magnitude of the velocity vector:
Speed = |v(2)| = sqrt((3^2) + (1^2) + (1^2))
Speed = sqrt(9 + 1 + 1)
Speed = sqrt(11)
4. Differentiate the velocity vector with respect to time (t) to find the acceleration vector:
Acceleration vector: a(t) = dv(t)/dt = d(3i)/dt + d(j)/dt + d((1/2)tk)/dt
a(t) = 0i + 0j + (1/2)k
So, the velocity vector of the object is v(2) = 3i + j + k, the speed is sqrt(11), and the acceleration vector is a(t) = (1/2)k.
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solve the equation
i will give brainliest
Answer:
5.09
Step-by-step explanation:
You eliminate the decimal by multiplying both sides by 10:
10(.25x+0.5)=10(0.61+0.14x)
Then you get your new equation and combine like terms:
25x+5=61+14x
-14x -14x
11x+5=61
11x+5=61
-5 -5
11x=61
Then finally you do 61/11 which gets you around 5.09 if you round to 2 decimal places.
Emily brought some homemade cookies for the school bake sale. The ingredients cost her $1.50 per cookie, but she sells them for a higher price at $3.00 per cookie. What is the percent markup per cookie?
The value of the calculated percent markup of the cookie is 100%
Finding the the percent markup per cookieFrom the question, we have the following parameters that can be used in our computation:
The ingredients cost her $1.50 per cookieShe sells them for a higher price at $3.00 per cookieThe percent markup of the cookie is then calculated as
Percentage = (Selling price - cost price)/cost price
substitute the known values in the above equation, so, we have the following representation
Percentage = (3 - 1.5)/1.5
Evaluate
Percentage = 100%
Hence, the percent markup of the cookie is 100%
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the measure of an angle is 156°. what is the measure of its supplementary angle
Answer:
24°
Step-by-step explanation:
Supplementary angles: 2 angles that add up to 180°.
We are given that one angle is 156°, so we can write an equation:
180=156+x
subtract both sides by 156
24=x
So, the measure of the supplementary angle is 24°.
Hope this helps!
Helppppp this is hard. i will give brainiest to the answer. i need it by 30 mins. please help
Of course! Please let me know what you need help with and I'll do my best to assist you within the given time frame.
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Find the missing dimension for the triangle. The area is 256. 5 cm sq and the base is 27 cm
The missing dimension of the triangle is the height, which is 19 cm.
To find the missing dimension of the triangle, we can use the formula for the area of a triangle:
Area = (1/2) x base x height
We know that the area is 256.5 cm^2 and the base is 27 cm. Therefore, we can plug in these values into the formula and solve for the height:
256.5 = (1/2) x 27 x height
256.5 = 13.5 x height
height = 256.5 / 13.5
height = 19
Therefore, the missing dimension of the triangle is the height, which is 19 cm.
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The sales director noticed that sales in the Midwest and Northeast regions were not as expected. Additional field training is necessary for the sales representatives in these regions. After conducting a one-month training program, the sales director wants to determine the effectiveness of the training. After all, the company invested a significant amount of money in this program! So the sales director collects the sales data for the first month after the training. The sales director wants to compare the number of orders secured by those who attended the training program and those who didn't attend. This study will help the company to determine the effectiveness of the training. Part A What type of study is the sales director conducting—a survey, an observational study, or an experiment? Justify your answer
The type of study the sales director is conducting is an experiment to compare the number of orders secured by those who attended the training program and those who didn't attend.
The sales director conducted an experimented
The experiment is to do a test to see if something works or to try to improve it
Here the objective of the experiment was to see the effectiveness of the training by providing a one-month training program for employees. After that, the sales director collects the sales data for the first month. The sales director compared the number of orders secured by those who attended the training program and those who didn't attend. This experiment will help the company to determine the effectiveness of the training. If the experiment is effective or not.
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write a paragraph about importance of english language using simple present tense.
Answer:
Step-by-step explanation:
The English language is an art that I am using to convey this message to you. Without this form of communication, we would be unable to talk or write without using another language. We think everyday with this awesome language, and don't think much about the language we think in. English is an amazing language, and I am proud to be able to verbalize it to you today.
What’s the value of y intercept of the graphs of h(x) =29)5.2)^x
The y intercept based on the information will be (0,29)
How to calculate the interceptWe want to find the value of the y-intercept for the given function.
The y-intercept is (0,29)
First, we define the y-intercept as the value of the function when evaluated in x = 0.
Here the given function is:
h(x) = 29*(5.2)ˣ
It should be noted that too get the y-intercept we just need to evaluate this at x = 0, then we get:
h(0) = 29*(5.2)⁰ = 29
The y-intercept is (0 29)
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When Julie jogs she burns 255 calories I'm 15 minutes and 340 calories in 20 minutes. Which equation represents how many calories she burn pre minute?
The calories she burns per minute is 17 cal
We are given that the total calories that are burnt in 15 minutes and 20 minutes are 255 and 340 respectively.
We can use the equation
total calorie burnt = time (in minutes) * calorie burnt in one minute
here we know the total calorie that is burnt and the time, we can substitute the calorie that is burnt in a single minute with 'n'.
we can say that :
255 = 15 * x
x=255/15
x= 17.
The total calorie burn per minute is 17.
now for the verification, we know that if the total calorie burn per minute is 17 it should satisfy both the equation.
So, 340 = 20*x
340=20* 17
340 = 340
Thus it satisfies both equations.
Hence the calorie burnt per minute = 17
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23- Find unit vectors that satisfy the stated conditions (a) Oppositely directed to v = (3,-4 ) and half the length of v.
The unit vector that is oppositely directed to v = (3, -4) and half its length is approximately u = (-0.5547, 0.8321).
How to find a unit vector that satisfies the given conditions?To find a unit vector that is oppositely directed to v = (3, -4) and half its length, we can follow these steps:
Find the length of vector v:
|v| = sqrt(3^2 + (-4)^2) = 5
Divide vector v by 2 to get a vector with half its length:
v/2 = (3/2, -2)
To get a vector that is oppositely directed to v, we can reverse the direction of v/2:
-(3/2, -2) = (-3/2, 2)
Finally, we can find the unit vector in the direction of (-3/2, 2) by dividing it by its length:
|(-3/2, 2)| = sqrt((-3/2)^2 + 2^2) = sqrt(13/4)
u = (-3/2, 2) / sqrt(13/4) = (-3/2) * (2/sqrt(13))/2 + (2/sqrt(13)) * (1/2)
Therefore, the unit vector that is oppositely directed to v = (3, -4) and half its length is approximately u = (-0.5547, 0.8321).
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2 1/7 x 4.3 (repeating the three)
write as a mixed number in simplest form
2 1/7 x 4.3 (repeating the three) as a mixed number in simplest form is 9 2/7.
First, we can simplify the mixed number 4.3 (repeating the three) as follows:
Let x = 4.3 (repeating the three)
Then 10x = 43.33333...
Subtracting x from 10x, we get:
10x - x = 43.33333... - 4.33333...
9x = 39
x = 4.33333... / 9
x = 4 1/3
Now, we can multiply 2 1/7 by 4 1/3:
2 1/7 x 4 1/3 = (15/7) x (13/3)
= (15 x 13) / (7 x 3)
= 195 / 21
To write this as a mixed number in simplest form, we can divide 195 by 21 and write the quotient as a mixed number:
195 ÷ 21 = 9 with a remainder of 6
So, 195 / 21 = 9 6/21, which can be simplified to 9 2/7.
Therefore, 2 1/7 x 4.3 (repeating the three) as a mixed number in simplest form is 9 2/7.
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Ryan went shopping and purchased two shirts for $16 each, and a pair of sneakers that cost 2 1/2 times as much as a shirt. How much money did Ryan spend?
Answer:
Ryan spent $72 on his shopping trip.
Step-by-step explanation:
To find out how much money Ryan spent, we need to add up the cost of the shirts and the sneakers.
First, we know that Ryan purchased two shirts for $16 each. So we can find the total cost of the shirts by multiplying the cost per shirt by the number of shirts:
$16 per shirt x 2 shirts = $32So the total cost of the shirts is $32.
Next, we know that Ryan purchased a pair of sneakers that cost 2 1/2 times as much as a shirt. We can use this information to find the cost of the sneakers.
If the cost of a shirt is $16, then we can find the cost of the sneakers by multiplying $16 by 2 1/2:
$16 x 2 1/2 = $16 x 2.5 = $40So the cost of the sneakers is $40.
Finally, we can find the total cost of Ryan's shopping trip by adding up the cost of the shirts and the sneakers:
$32 + $40 = $72Therefore, Ryan spent $72 on his shopping trip.
In the addition problem shown, each letter represents a different digit. If GOD=605, what number does MOVED represent?
The number does MOVED represent 1110.
How determine what number does MOVED represent?Since GOD=605, we know that D=5. We can now substitute this value of D into the addition problem to get:
GOD+ DOG = MOVED
605+ 506 = 1111
Since M cannot be 0 (otherwise it wouldn't be a 4-digit number), we know that M=1.
We can now subtract 1 from both sides of the equation to get:
604+ 506 = 1110
Now we can see that E+4=10, so E=6. We can also see that O+0=0, so O=0. Finally, we can see that G+D=1, so G=6 and D=5.
Therefore, MOVED = 1110.
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Which statement is true about the relationship between the diameter and circumference of a circle?
A. The circumference of a circle is always two times the diameter of the circle.
B. There is an exponential relationship between the diameter and circumference of a circle.
C. The constant of proportionality between the diameter and circumference of a circle is pi.
D. The unit rate between the diameter and the circumference of a circle is a rational number.
C. The constant of proportionality between the diameter and circumference of a circle is pi.
Step-by-step explanation:The constant pi comes from the relationship between the diameter and circumference of a circle.
Constant of Proportionality
A constant of proportionality is a number that describes the ratio between 2 values. No matter the measurements of a circle, the constant of proportionality between a circumference and diameter is always the same. This means that the circumference divided by the diameter ≈ 3.14.
Pi
Pi is an irrational number that can be estimated but never completely solved. The value of pi can be used to complete many different calculations such as the area of a circle, and it is used in many different functions like sin. For this reason, pi is one of the most important constants in math.