Answer:
$1.65
Step-by-step explanation:
9.7%×(11.73+5.27)
0.097×(11.73+5.27)
=1.649
to 2d.p
=1.65
Find the sides of a triangle circumscribed about a circle of
radius 4 and divided on one side by the circle into segments of
length 6 and 8.
The sides of the triangle circumscribed about a circle of radius 4 and divided on one side by the circle into segments of length 6 and 8 are 6, 8, and 4.
The triangle circumscribed about a circle of radius 4 and divided on one side by the circle into segments of length 6 and 8 can be found using the Law of Cosines. The Law of Cosines states that c2 = a2 + b2 - 2ab cos C, where c is the length of the hypotenuse, a and b are the lengths of the other sides, and C is the angle opposite side c.
We know the hypotenuse of this triangle is 8, as it is the length of one of the segments on the side of the triangle. We also know that angle C is 90° as it is a right triangle.
Therefore, using the Law of Cosines we can find the length of the other side of the triangle, which is 6. The equation is 82 = 62 + a2 - 2(6)(a)cos(90°). Solving this equation, we find that a = 4.
Therefore, the sides of the triangle circumscribed about a circle of radius 4 and divided on one side by the circle into segments of length 6 and 8 are 6, 8, and 4.
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Question 3(Multiple Choice Worth 2 points)
(Theoretical Probability MC)
When rolling a 6-sided die twice, determine P(sum of 5).
O
2/6
4/36
5/36
10/36
The probability of rolling a sum of 5 when rolling a 6-sided die twice is 1/9.
The Law of Big Numbers is what?According to the Law of Large Numbers, a fundamental tenet of probability theory, the average of the results of an experiment approaches the predicted value of the random variable being measured as the number of trials in the experiment rises. In other words, the Law of Big Numbers states that the observed results will be closer to the predicted outcomes the more times an experiment is conducted.
The total number of outcomes when a die is rolled two times is 36.
The sum of 5 is obtained for the following outcomes:
(1,4), (2,3), (3,2), and (4,1)
Thus,
P(sum of 5) = 4/36 = 1/9
Hence, the probability of rolling a sum of 5 when rolling a 6-sided die twice is 1/9.
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In the coordinate plane, the point A (0, 0) is translated to the point A '(1, 3). Under the same translation, the points B (-3, -2) and C (3, 3) are translated to B' and C', respectively. What are the coordinates of B' and C'?
Therefore , the solution of the given problem of coordinates comes out to be B' = (-2, 1) and C' = (4, 6) .
What is coordinates ?A coordinate system is a method that employs one or more values or coordinates to accurately locate points or even other mathematical objects on a space, such as Euclidean space. Coordinates, that are pairs of numbers, are used to locate a point or object on a double plane. The y and x vectors are two integers that specify where a point is situated on a two - dimensional plane. a group of numerals designating particular places. Usually, the number has two numbers.
Here,
By adding 1 to the x-coordinate and 3 to the y-coordinate, we can determine that position A is translated to point A'. As a result, we can determine the values of B' and C' using the same translation vector.
We increase the x-coordinate for position B by one
=> (-3 + 1 = -2) and
the y-coordinate by three
=> (-2 + 3 = 1). Consequently, B"s values are (-2, 1).
We increase the x-coordinate for position C by one
=> (3 + 1 = 4) and
the y-coordinate by three
=>(3 + 3 = 6). Consequently, C"s dimensions are (4, 6).
Consequently, the translated locations' coordinates are as follows:
=> B' = (-2, 1)
=> C' = (4, 6)
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Find a model for the Body Mass Index (BMI) of a person, given
that BMI varies directly as a person’s weight in pounds and
inversely as the square of the person’s height in inches. If a
6ft6ft t
The model for the BMI of a person is:
BMI = (152100/weight in pounds)/(height in inches)^2
The Body Mass Index (BMI) of a person can be calculated using the formula:
BMI = (weight in pounds)/(height in inches)^2
In this case, the BMI varies directly as a person's weight in pounds and inversely as the square of the person's height in inches. This means that as the weight increases, the BMI increases and as the height increases, the BMI decreases.
To find a model for the BMI of a person, we can use the formula:
BMI = k(weight in pounds)/(height in inches)^2
Where k is a constant of proportionality. To find the value of k, we can use the given information that a 6ft 6in tall person has a BMI of 25.
First, we need to convert the height from feet and inches to inches. 6ft 6in is equivalent to 78 inches. Then, we can plug in the values into the formula and solve for k:
25 = k(weight in pounds)/(78 inches)^2
25(78 inches)^2 = k(weight in pounds)
152100 = k(weight in pounds)
Therefore, the model for the BMI of a person is:
BMI = (152100/weight in pounds)/(height in inches)^2
This model can be used to calculate the BMI of a person given their weight in pounds and height in inches.
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Training neural networks requires two steps. In the forward pass we compute the output of the network and the loss given the input, and in the backward pass we compute the derivatives for all the parameters given the loss, and the values computed in the forward pass. Take the regression network of slide 10 of lecture 6 ("Beyond linear models") and assume you have some instance, some target value and, and that you are using squared error loss. Write pseudocode for the forward and backward pass. You may use a separate variable for each node in the network, or store all the values of one layer in a list or similar datastructure. You can use whatever form of pseudocode seems most appropriate, but the more detailed it is, the better. When in doubt, we suggest making it as close to runnable python code as you can.
Training a regression network with squared error loss requires two steps: the forward pass and the backward pass.
Forward Pass:
Let x be the input to the neural network, y be the target value, w be the weights of the neural network, and h be the output of the neural network.Initialize an empty array l to store the output of each layer.Compute the output of the first layer l[0] with the weights w[0] and the input x, and store it in l[0].Compute the output of the second layer l[1] with the weights w[1] and the input l[0], and store it in l[1].Compute the output of the third layer h with the weights w[2] and the input l[1], and store it in h.Compute the loss between y and h, using the squared error loss function.Backward Pass:
Let delta be the derivative of the loss with respect to h.Compute the derivative of the loss with respect to l[2] with delta and the weights w[2].Compute the derivative of the loss with respect to l[1] with the derivative of the loss with respect to l[2] and the weights w[1].Compute the derivative of the loss with respect to l[0] with the derivative of the loss with respect to l[1] and the weights w[0].Compute the derivative of the loss with respect to w[2] with delta and the input l[1].Compute the derivative of the loss with respect to w[1] with the derivative of the loss with respect to l[2] and the input l[0].Compute the derivative of the loss with respect to w[0] with the derivative of the loss with respect to l[1] and the input x.Learn more about derivative
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HELP PLSSSS
algebra grade 11
The time taken for Ben's ball to land after Andrew's ball is 2.5 seconds.
What is the time taken for Ben's ball to land?To calculate the time taken for the Ben's ball to land after Andrews ball is calculated as follows;
Since the value of parameter a is -5 for both balls, the height of each ball follows the equation:
h(t) = -5t² + vt + h0
where;
h(t) is the height of the ball at time t, v is the initial velocity of the ball (in meters per second), and h0 is the initial height of the ball (in meters).Let's assume that Andrew's ball is hit with an initial velocity of v1, and Ben's ball is hit with an initial velocity of v₂. We also know that Ben's ball reaches a maximum height 50% greater than Andrew's, which means that:
h_max2 = 1.5h_max1
At the maximum height, the velocity of the ball is zero, so we can find the time it takes for each ball to reach the maximum height by setting v = 0 in the equation for h(t):
t_max1 = v₁ / (2 x 5)
t_max2 = v₂ / (2 x 5)
Since Ben's ball reaches a maximum height that is 50% greater than Andrew's, we can write:
h_max2 = 1.5h_max1
-5(t_max2)² + v₂t_max2 + h0 = 1.5(-5(t_max1)² + v1 * t_max1 + h0)
Simplifying this equation, we get:
-5(t_max2)² + v₂t_max2 = -7.5(t_max1)² + 1.5v₁t_max1
We also know that Andrew's ball lands after 4 seconds, which means that h(4) = 0:
h(4) = -5(4)² + v1 * 4 = 0
-80 + 4v1 = 0
v1 = 80/4
v1 = 20 m/s
Solving these equations for t_max2 and v2, we get:
t_max1 = v1 / (2 x 5)
t_max1 = 20 / (2 x 5) = 2 s
t_max2 = 1.5t_max1 = 3 s
v2 = 1.5v1 = 30 m/s
To find the time it takes for Ben's ball to land, we need to find the time t2 when h(t2) = 0.
We can use the equation for h(t) with v = v2, h0 = 0, and solve for t:
-5t² + v₂t = 0
-5t² + 30 = 0
5t² = 30
t² = 30/5
t² = 6
t = √6
t = 2.5 s
Therefore, Ben's ball lands approximately 2.5 seconds after Andrew's ball.
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Weighted
grade is 89%. Final is worth 35%. What is the minimum final score
that I need to get a 77%?
To find the minimum final score you need to get a 77%,
you can use the following formula:
(weight of weighted grade * weighted grade) + (weight of final * final grade) = desired overall grade
Plug in the given values:
(0.65 * 89) + (0.35 * final grade) = 77
Solve for the final grade:
57.85 + 0.35 * final grade = 77
0.35 * final grade = 19.15
final grade = 19.15 / 0.35
final grade = 54.71
Therefore, the minimum final score you need to get a 77% overall is 54.71%.
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Find the average rate of change of the given function on the
interval [5,10].
h(x)=3x2+6x−7
The average rate of change of the function h(x)=3x2+6x−7 on the interval [5,10] is 94.6.
The average rate of change of the function h(x)=3x2+6x−7 on the interval [5,10] is calculated by taking the change in the y-value (h(10) - h(5)) and dividing it by the change in the x-value (10-5):
Average rate of change = (h(10)-h(5))/(10-5)
= (3(10)2+6(10)-7 - (3(5)2+6(5)-7))/(10-5)
= (745-272)/5
= 473/5
= 94.6
Therefore, the average rate of change of the function h(x)=3x2+6x−7 on the interval [5,10] is 94.6.
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Question 4: Abstract Vector Spaces LetWbe the set of all vectorsu=(x,y)inR2such that the product of its componentsxandysatisfy the equationx⋅y=0. Check whether this set (a) is closed under operation of standard scalar multiplication in the plane. (b) is closed under operation of standard vector addition in the plane. Is the information you found is sufficient to conclude whether this set forms a vector space or not? Explain why yes or why not. What does this set represent geometrically?
The set W represents the x-axis and y-axis in the plane. Any vector with one of its components equal to 0 will satisfy the equation x⋅y = 0, and these vectors lie on either the x-axis or y-axis.
(a) The set W is closed under standard scalar multiplication in the plane. This is because for any scalar c and any vector u = (x,y) in W, the product of the components of cu = (cx,cy) is (cx)(cy) = c2(xy) = c2(0) = 0, so cu is also in W.
(b) The set W is not closed under standard vector addition in the plane. For example, the vectors u = (1,0) and v = (0,1) are both in W, but their sum u + v = (1,1) is not in W because the product of its components is 1(1) = 1, which does not satisfy the equation x⋅y = 0.
Since the set W is not closed under standard vector addition, it does not form a vector space. A set must be closed under both scalar multiplication and vector addition in order to be a vector space.
Geometrically, the set W represents the x-axis and y-axis in the plane. Any vector with one of its components equal to 0 will satisfy the equation x⋅y = 0, and these vectors lie on either the x-axis or y-axis.
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A store scanner has a red laser wavelength of 650 nm. While a
green laser pointer has a wavelength of 502 μm. Find the ratio of
green to red wavelengths for these lasers. Round to the nearest
tenth.
A store scanner has a red laser wavelength of 650 nm. While a green laser pointer has a wavelength of 502 μm. The ratio of green to red wavelengths is 0.77.
To find this ratio, we need to divide the wavelength of the green laser by the wavelength of the red laser:
502 μm / 650 nm = 0.77
Note that we need to convert the units of the green laser wavelength from micrometers (μm) to nanometers (nm) in order to divide it by the red laser wavelength, which is already in nanometers. To do this, we multiply the green laser wavelength by 1000:
502 μm * 1000 = 502000 nm
So the ratio of green to red wavelengths is 502000 nm / 650 nm = 0.77.
This ratio indicates that the green laser has a shorter wavelength than the red laser. Generally, shorter wavelengths correspond to higher energy and higher frequency light. In the case of lasers, this means that the green laser is capable of producing a more intense and focused beam of light than the red laser.
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Ms summers has 1/4 gallon of milk. She drinks 1/8 gallon of the milk then splits the remaining milk equally between her two children. How much milk does ms summer give each child
Ms. Summers will give each child 1/16 gallon of milk.
Beginning with a quarter gallon of milk, Ms. Summers. She consumes a quarter of a gallon of milk, leaving her with:
1/8 gallon divided by 2/8 gallon is equal to 1/8 gallon.
Mrs. Summers will therefore divide the remaining 1/8 gallon of milk between her two kids. She needs to divide it by 2 to distribute it equally amongst the two kids.
Hence, each kid will get:
(1/8 gallon x 2) yields 1/16 gallon
Ms. Summers will thus provide each youngster with 1/16 of a gallon of milk.
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Suppose the annual interest rate is 7.5% and the interest is compounded annually. How much will an investment of $1,000 be worth after 3 years?
The value of an investment with $1000 as principal amount compounding annually for 3 years with interest rate 7.5% is $1242.29
What is interest rate?The interest rate is the amount that the lender charges the borrower and is the principal - a percentage of the loan amount. Loan interest rates are usually quoted on an annual basis known as the annual rate (APR).
Solution according to the given information in the question:
Given, Principal = $1000
Time = 3 years
Interest rate = 7.5%
∴ Amount = P×(1 + r/100)³
= 1000×(1 + 7.5/100)³
= 1000×(1 + 0.075)³
= 1000×(1.075)³
= 1000 × 1.24
Amount = $1242.29
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When are two events X and Y marginally dependent?
Roulette example:
• 1-36 numbers, each number is Red or Black
• X = color of my attempt, Y = number
Assume that all odd numbers are RED. Find the following probabilities.
P[X = red | Y = 15] =
P(Y=15 | X = red) =
P(X = Red, Y = 15) =
P(Y=15) =
P(X = Red) =
|The events X and Y are marginally dependent in the roulette example.
Two events X and Y are marginally dependent when the probability of one event occurring affects the probability of the other event occurring. In the roulette example, the events X and Y are marginally dependent because the probability of X = red depends on the probability of Y = 15, and vice versa.
The probabilities can be calculated as follows:
P[X = red | Y = 15] = 1, since all odd numbers are red and 15 is an odd number.
P[Y = 15 | X = red] = 1/18, since there are 18 red numbers and only one of them is 15.
P[X = Red, Y = 15] = P[X = red | Y = 15] * P[Y = 15] = 1 * 1/36 = 1/36, since there are 36 numbers in total and only one of them is both red and 15.
P[Y = 15] = 1/36, since there are 36 numbers in total and only one of them is 15.
P[X = Red] = 18/36 = 1/2, since there are 18 red numbers and 36 numbers in total.
Therefore, the events X and Y are marginally dependent in the roulette example.
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The wind farms in southern California contain wind generators whose power production varies directly with the cube of the wind's speed. one such generator produces 1000W of power in a 25mph wind, find the power it generate in a 35mph wind.
The wind generator will produce 2744W of power in a 35mph wind.
Determine the generate powerTo find the power generated by the wind generator in a 35mph wind, we can use the formula P = kV³, where P is the power generated, k is a constant, and V is the wind's speed.
First, we need to find the value of k. We can do this by plugging in the given values of P and V into the formula and solving for k:
1000W = k(25mph)³ 1000W = k(15625mph³)
k = 1000W/15625mph³
k = 0.064W/mph³
Now that we have the value of k, we can plug it back into the formula along with the new wind speed of 35mph to find the power generated:
P = (0.064W/mph³)(35mph)³
P = (0.064W/mph³)(42875mph³)
P = 2744W
Therefore, the wind generator will produce 2744W of power in a 35mph wind.
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Perform the addition or subtraction and simplify.
x
x − 4
−
3
x + 8
The simplified expression after doing this calculation is -1/3. To perform the addition or subtraction and simplify the given expression, we need to find a common denominator for the two fractions. The common denominator for x and 3 is 3x.
Multiply each fraction by the necessary factor to get the common denominator. For the first fraction, we multiply by 3/3, and for the second fraction, we multiply by x/x.
3/3 * (x/x) - x/x * (4/3) = (3x - 4x)/3x = (-x)/3x. Now, we can simplify the expression by canceling out the common factor of x in the numerator and denominator. (-x)/3x = -1/3
The simplified expression is -1/3.
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43.5 and a number, n, is no greater than 50. possible values of n? Show your work.
Answer:
n ≤ 6.5
Step-by-step explanation:
43.5 + n ≤ 50
43.5 + n - 43.5 ≤ 50 - 43.5
n ≤ 6.5
Rogelio watches a movie that is 1 3/4 hours
long. He stops for dinner after watching 3/5
of the movie. How many hours of the
movie has he watched?
Rogelio has watched 23/20 hours of the movie.
What is a fraction?
A fraction is used to represent the portion/part of the whole thing. It represents the equal parts of the whole. A fraction has two parts, namely numerator and denominator. The number on the top is called the numerator, and the number on the bottom is called the denominator. The numerator defines the number of equal parts taken, whereas the denominator defines the total number of equal parts in a whole.
Movie duration = 1 3/4 = 7/4
Duration of movie watched = 3/5
Duration watched = 7/4 - 3/5
Duration watched = 23/20
Duration watched = 1 3/20 (mixed fraction)
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How do u change this from vertex form y=2(x-2)^2+5 to standard form?
The standard form for the quadratic equation written in vertex form y = 2(x - 2)² + 5 is y = 2x² - 8x + 13.
What is a quadratic function?
A polynomial function with one or more variables, where the largest exponent of the variable is two, is referred to as a quadratic function. It is also known as the polynomial of degree 2 since the greatest degree term in a quadratic function is of second degree.
To change the equation y = 2(x - 2)² + 5 from vertex form to standard form, we need to expand the squared term and simplify the expression.
Here are the steps -
Start with the vertex form: y = 2(x - 2)² + 5.
Expand the squared term using the formula (a - b)² = a² - 2ab + b².
In this case, a = x and b = 2, so we have -
y = 2(x - 2)(x - 2) + 5
y = 2(x² - 4x + 4) + 5
Multiply the coefficient 2 by each term inside the parentheses -
y = 2x² - 8x + 8 + 5
Combine the constant terms -
y = 2x² - 8x + 13
This is the standard form of the quadratic equation.
In standard form, the quadratic equation is written as y = ax² + bx + c, where a, b, and c are constants.
In this case, a = 2, b = -8, and c = 13.
Therefore, the standard form is y = 2x² - 8x + 13.
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What the greatest common factor of 10x and 25
Answer:
5
Step-by-step explanation:
HELPPPPPP!!!!!!!!!!!!!!!!
Answer:
The answer is -3 because it passes through (0,0) and (2,-6).
An amount of $1100 is deposited for 8 years in an account that earns 8% interest. ( Round your answer to two decimal places.) (a) Calculate the simple interest earned. $ _____
(b) Calculate the interest earned if interest is compounded daily. $ _____
(c) How much more interest is earned on the account when the interest is compounded daily?
$ _____
a) The simple interest earned is $704,
b) The interest earned when compounded daily is $975.19,
c) The difference between the two is $271.19.
To solve this problem, we will use the formulas for simple interest and compound interest.
Simple Interest = Principal x Interest Rate x Time
Compound Interest = Principal x (1 + Interest Rate / Number of Compounding Periods) ^ (Number of Compounding Periods x Time) - Principal
(a) Calculate the simple interest earned.
Simple Interest = $1100 x 0.08 x 8
Simple Interest = $704
(b) Calculate the interest earned if interest is compounded daily.
Compound Interest = $1100 x (1 + 0.08 / 365) ^ (365 x 8) - $1100
Compound Interest = $1100 x (1.000219178) ^ 2920 - $1100
Compound Interest = $1100 x 1.886533 - $1100
Compound Interest = $2075.19 - $1100
Compound Interest = $975.19
(c) How much more interest is earned on the account when the interest is compounded daily?
Difference = Compound Interest - Simple Interest
Difference = $975.19 - $704
Difference = $271.19
Therefore, the simple interest earned is $704, the interest earned when compounded daily is $975.19, and the difference between the two is $271.19.
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Part 3 B 3.1 Given: P = 2 2x+5 + 2x 3.1.1 Show that P is a rational number if x = 1.5 3.1.2 Determine the values of for which P is a real number. (3) (2)
P is rational number from the given equation P=2(2x+5)+2x.
What is the rational number?Rational numbers are in the form of p/q, where p and q can be any integer and q ≠ 0. This means that rational numbers include natural numbers, whole numbers, integers, fractions of integers, and decimals (terminating decimals and recurring decimals).
The given equation is P=2(2x+5)+2x.
Here, P=2(2x+5)+2x
P=4x+10+2x
P=6x+10
Given that, x=1.5, 3 and 1.2
Substitute, x=1.5 in P=6x+10, we get
P=6×1.5+10
P=9+10
P=19
So, 19 is rational number
Substitute, x=3 in P=6x+10, we get
P=6×3+10
P=18+10
P=28
So, 28 is rational number
Substitute, x=1.2 in P=6x+10, we get
P=6×1.2+10
P=7.2+10
P=17.2
So, 17.2 is rational number
Therefore, P is rational number from the given equation P=2(2x+5)+2x.
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The table lists the ring size S for a finger with circumference x in centimeters. x (cm) 4.87 5.66 5.92 6.71 S (size) 4 7 8 11 a. Find a linear function S that models the data. b. Find the circumference of a finger with a ring size of 6.
The linear function that models the data is S = 3.8x - 14.506 and the circumference of a finger with a ring size of 6 is 5.4 cm.
a. To find a linear function S that models the data, we need to find the slope and y-intercept of the line that best fits the data. The slope can be found by using the formula:
m = (y2 - y1) / (x2 - x1)
Using the first two data points, we can find the slope:
m = (7 - 4) / (5.66 - 4.87)
m = 3 / 0.79
m = 3.8
To find the y-intercept, we can use the formula:
y = mx + b
Substituting one of the data points and the slope into the formula and solving for b:
4 = (3.8)(4.87) + b
b = 4 - (3.8)(4.87)
b = -14.506
So the linear function that models the data is:
S = 3.8x - 14.506
b. To find the circumference of a finger with a ring size of 6, we can substitute S = 6 into the linear function and solve for x:
6 = 3.8x - 14.506
3.8x = 20.506
x = 5.4 cm
So the circumference of a finger with a ring size of 6 is 5.4 cm.
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Use a graphing Utility to approximate the local macmum value and local minimum value of the function F(x) = -0.2x^3 – 0.5x^2 + 3x - 4 for -6
1. the local maximum is y=__and it occurs at x=__
2. the local minimun is y=___ and it occurs at x=__
please explain process
if its possible please ans thank you
The local maximum value of the function F(x) = -0.2x^3 – 0.5x^2 + 3x - 4 for -6 is y=2.2 and it occurs at x=-1.2, and the local minimum value is y=-4.6 and it occurs at x=-4.8.
Using a graphing Utility, we can approximate the local maximum value and local minimum value of the function F(x) = -0.2x^3 – 0.5x^2 + 3x - 4 for -6.
1. The local maximum value occurs at the highest point on the graph within the given interval of -6. By observing the graph, we can see that the local maximum value is y=2.2 and it occurs at x=-1.2.
2. The local minimum value occurs at the lowest point on the graph within the given interval of -6. By observing the graph, we can see that the local minimum value is y=-4.6 and it occurs at x=-4.8.
It is important to note that these values are approximations and may not be exact. The graphing Utility is a useful tool for visualizing the function and finding approximate values, but it is not always precise.
the local maximum value of the function F(x) = -0.2x^3 – 0.5x^2 + 3x - 4 for -6 is y=2.2 and it occurs at x=-1.2, and the local minimum value is y=-4.6 and it occurs at x=-4.8.
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How many numbers cansisting of 3 digits can be made from 1,2,3,4,5, and 6 if letter A repitition is allowed, letfer B repitition is not allowed.
Answer:
If repetition of letter A is allowed and letter B cannot be repeated, then there are two cases to consider when constructing a 3-digit number:
Case 1: The first digit is letter A. In this case, there are 6 options for the first digit (since any of the 6 digits can be used), and there are 5 options for each of the remaining digits (since letter B cannot be repeated). Therefore, the total number of 3-digit numbers that can be formed in this case is:
6 x 5 x 5 = 150
Case 2: The first digit is not letter A. In this case, there are 5 options for the first digit (since letter A cannot be repeated), and there are 5 options for each of the remaining digits (since letter B cannot be repeated). Therefore, the total number of 3-digit numbers that can be formed in this case is:
5 x 5 x 4 = 100
To get the total number of 3-digit numbers that can be made from 1, 2, 3, 4, 5, and 6 with letter A repetition allowed and letter B repetition not allowed, we add the number of possibilities from Case 1 and Case 2:
Total = 150 + 100 = 250
Therefore, there are 250 different 3-digit numbers that can be made from 1, 2, 3, 4, 5, and 6 with letter A repetition allowed and letter B repetition not allowed.
There are 720 numbers consisting of 3 digits that can be made from 1, 2, 3, 4, 5, and 6 if letter A repetition is allowed and letter B repetition is not allowed.
This can be calculated by taking the number of possible combinations for each digit (6 for A, 5 for B, 4 for C) and multiplying them together: 6 x 5 x 4 = 120. Since there are 6 possible numbers for each digit, there are 120 combinations for a 3-digit number. Then, multiplying 120 by 6 (since repetition is allowed) yields 720 possible 3-digit numbers.
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A cuboidal box with dimension 3×3×2 cu. Units is melted into another cuboid whose width is 15 units . Find the length and height of the cuboidformed if l=h
Answer:
Let's first find the volume of the original cuboidal box:
Volume = Length x Width x Height = 3 x 3 x 2 = 18 cubic units
We can then set up an equation to relate the volume of the original box to the volume of the new cuboid:
Volume of new cuboid = Volume of original box
Let's call the length and height of the new cuboid "x" (since we know that the length and height are the same). We know that the width of the new cuboid is 15 units. Therefore, we can write:
Volume of new cuboid = Length x Width x Height = x x 15 x x = 15x^2
Now we can set up the equation:
15x^2 = 18
Dividing both sides of the equation by 15 gives:
x^2 = 18/15
Simplifying the right side of the equation gives:
x^2 = 1.2
Taking the square root of both sides of the equation gives:
x ≈ 1.095
Therefore, the length and height of the new cuboid are approximately 1.095 units.
Score on last try:
4.74
of 5 pts. See Details for more. You can retry this quest Round all ainsurers to 3 decintal places. The vertex of kis
The vertex of this function would be (-1, -8).
The question seems to be incomplete and there are some typos in it. However, I will try to provide a general answer based on the given information.
When finding the vertex of a function, you can use the formula -b/2a to find the x-coordinate of the vertex. Once you have the x-coordinate, you can plug it back into the original function to find the y-coordinate of the vertex.
For example, if the function is y = 2x^2 + 4x - 6, the formula for the x-coordinate of the vertex would be -4/(2*2) = -1. The y-coordinate of the vertex would be 2(-1)^2 + 4(-1) - 6 = -8.
So the vertex of this function would be (-1, -8).
Remember to Round all answers to 3 decimal places, as instructed in the question.
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biologist is studying diseases in chimpanzees. He takes three random samples of the same size from a troop of 150 chimpanzees. One sample indicates that 3% of the chimpanzees are hairless, another sample indicates that 5% are hairless, and a third sample indicates that 4% are hairless. How many hairless chimpanzees should the biologist expect to find in the troop?
6 hairless chimpanzees should the biologist expect to find in the troop.
What is the percentage?
A number or ratio that can be expressed as a fraction of 100 is referred to as a percentage in mathematics. If we need to calculate a percentage of a number, we should divide it by its entirety and then multiply it by 100. The percentage, therefore, refers to a part per hundred. Per 100 is what the word percent means. The letter "%" stands for it.
The sample number is 150.
Given that 3% of the chimpanzees are hairless, another sample indicates that 5% are hairless, and a third sample indicates that 4% are hairless.
The average percentage of chimpanzees of hairless is
(3% + 5% + 4%)/3
= 12%/3
= 4%
Now calculate 4% of 150:
4% of 150
= (4/100) × 150
= 6
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Helppppppppp pleaseeeeeeeeeeeee
Answer:
Step-by-step explanation:
As before, I'll put slope-intercept first:
5. y = 1/4x + 1 ; y-2 = 1/4(x-4)
6. y = -1/2x + 2 ; y-1 = -1/2(x-2)
7. y = 1/3x + 1 ; y-2 = 1/3(x-3)
8. y = -x ; y-1 = 1(-x+1)
9. y = 2/3x -1 ; y-1 = 2/3(x-3)
Hope this helps!
2x°
(3x + 25)°
Please helppppppp
The answer of the given question based on the sum of the two angles is ,the answer is 5x + 25° degrees.
What is Distributive property?The distributive property is fundamental property of arithmetic and algebra that allows us to multiply single term or sum by factor. The property states that:
a×(b+c)=a×b+a×c
In words, this means that the when number or variable (a) is multiplied by sum of two other numbers or variables (b + c), it is same as multiplying a by each term of sum (b and c) and then adding two products. The distributive property can be used in reverse to factor out common factor from sum of terms.
The sum of these two angles is:
2x° + (3x + 25)°
= 2x° + 3x° + 25° (using the distributive property of multiplication)
= 5x° + 25°
Therefore, the sum of the two angles is 5x + 25° degrees.
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