The mean value theorem states that if a function f(x) is continuous on the interval [a, b] and differentiable on (a, b), then there exists a value c in (a, b) such that:
f'(c) = (f(b) - f(a))/(b - a)
In this case, the interval is [2, 6]. So, we need to find the value(s) of c that satisfy:
f'(c) = (f(6) - f(2))/(6 - 2)
We can make an estimate based on the graph of the function.
If the graph of f(x) is a straight line between (2, f(2)) and (6, f(6)), then the derivative is constant over the interval [2, 6]. In this case, we can use the formula:
f'(c) = (f(6) - f(2))/(6 - 2) = (y2 - y1)/(x2 - x1)
where (x1, y1) = (2, f(2)) and (x2, y2) = (6, f(6)).
Solving for c, we get:
c = (x1 + x2)/2 = (2 + 6)/2 = 4
This is the only value of c that satisfies the conclusion of the mean value theorem in this case.
If the graph of f(x) is not a straight line, then we cannot make a simple estimate for c based on the graph alone.
To estimate the value(s) of c that satisfy the conclusion of the Mean Value Theorem (MVT) on the interval [2, 6], you need to follow these steps:
1. Identify the function, f(x), that you're working with.
2. Ensure the function is continuous on the interval [2, 6] and differentiable on the open interval (2, 6). This is required for MVT to be applicable.
3. Calculate the average rate of change (mean value) of the function over the interval [2, 6] by using the formula (f(6) - f(2)) / (6 - 2).
4. Take the derivative of the function, f'(x).
5. Set f'(x) equal to the mean value calculated in step 3 and solve for the value(s) of x, which will give you the value(s) of c that satisfy the MVT.
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1 3 6 10 can we predict which number follows without adding the two number in the row
Answer:
Step-by-step explanation:
1 plus 2 equals 3
3 plus 3 equals 6
6 plus 4 equals 10
10 plus 5 equals 15. did this help?
Can anyone help me solve this? 12 pts
Answer: f(2) = 18
Step-by-step explanation:
To solve for f(2), we will substitute 2 for x in the equation.
Given:
f(x) = 7x + 4
Substitute:
f(2) = 7(2) + 4
Multiply:
f(2) = 14 + 4
Add:
f(2) = 18
Answer:
18
Step-by-step explanation:
Just replace x with 2 in the function
f(2) = 7(2) + 4
f(2) = 14 + 4
f(2) = 18
If you close your eyes and
choose a ball, what is the
probability that it will be red?
5
[?]
Simplify to lowest terms.
Enter the number that
belongs in the green box.
Enter
Answer:5/14
Step-by-step explanation:
you have 5 red and 14 total so your probability is 5/14 and 5/14 is the simplest terms
A random sample of 100 customers at a local ice cream shop were asked what their favorite topping was. The following data was collected from the customers. Topping Sprinkles Nuts Hot Fudge Chocolate Chips Number of Customers 12 17 44 27 Which of the following graphs correctly displays the data? a bar graph titled favorite topping with the x axis labeled topping and the y axis labeled number of customers, with the first bar labeled sprinkles going to a value of 17, the second bar labeled nuts going to a value of 12, the third bar labeled hot fudge going to a value of 27, and the fourth bar labeled chocolate chips going to a value of 44 a bar graph titled favorite topping with the x axis labeled topping and the y axis labeled number of customers, with the first bar labeled nuts going to a value of 17, the second bar labeled sprinkles going to a value of 12, the third bar labeled chocolate chips going to a value of 27, and the fourth bar labeled hot fudge going to a value of 44 a histogram titled favorite topping with the x axis labeled topping and the y axis labeled number of customers, with the first bar labeled sprinkles going to a value of 17, the second bar labeled nuts going to a value of 12, the third bar labeled hot fudge going to a value of 27 ,and the fourth bar labeled chocolate chips going to a value of 44 a histogram titled favorite topping with the x axis labeled topping and the y axis labeled number of customers, with the first bar labeled nuts going to a value of 17, the second bar labeled sprinkles going to a value of 12, the third bar labeled chocolate chips going to a valu
Based on the information, the most appropriate graph for this situation would be option A.
How to identify the most suitable graph for this situation?To identify the most appropriate graph for this situation we must analyze the data. In this case we have the relationship of the toppings with the number of customers who prefer each variety.
Now, We get;
Due to the above, we could affirm that the best option is A because it shows the number of people who prefer each topping in the order in which the table organizes them.
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Use a double integral in polar coordinates to find the volume of the solid bounded by the graphs of the equations z=x2+y2+3,z=0,x2+y2=1
.
To use polar coordinates, we need to first express the equations of the surfaces in polar coordinates.
In polar coordinates, we have x = r cosθ and y = r sinθ. Therefore, the equation x^2 + y^2 = 1 becomes r^2 = 1.
To find the volume of the solid, we can integrate over the region in the xy-plane bounded by the circle r=1. For each point (r,θ) in this region, the corresponding point in 3D space has coordinates (r cosθ, r sinθ, r^2+3)
Thus, the volume of the solid can be expressed as the double integral:
V = ∬R (r^2+3) r dr dθ
where R is the region in the xy-plane bounded by the circle r=1.
We can evaluate this integral using the limits of integration 0 to 2π for θ, and 0 to 1 for r:
V = ∫₀^¹ ∫₀^(2π) (r^3 + 3r) dθ dr
= ∫₀^¹ [(r^3/3 + 3rθ)]₀^(2π) dr
= ∫₀^¹ (2πr^3/3 + 6πr) dr
= 2π[(1/12) + (1/2)]
= 2π(5/12)
= (5/6)π
Therefore, the volume of the solid is (5/6)π.
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a box of donuts containing 2 maple bars, 6 chocolate donuts, and 4 custard filled donuts is sitting on a counter in a work office. kelsi comes along and decides to eat two in a row. what is the probability that kelsi will eat a custard filled donut and then a chocolate donut? round your answer to 4 decimal places.
The probability that Kelsi will eat a custard filled donut and then a chocolate donut is approximately 0.1455.
How calculate the probability of Kelsi eating a custard filled donut?To calculate the probability of Kelsi eating a custard filled donut and then a chocolate donut, we need to use the concept of conditional probability.
The probability of Kelsi eating a custard filled donut first is 4/12 (since there are 4 custard filled donuts out of a total of 12 donuts).
After Kelsi eats a custard filled donut, there are only 11 donuts left, and 6 of them are chocolate donuts. So the probability of Kelsi eating a chocolate donut second, given that she already ate a custard filled donut, is 6/11.
To find the probability of both events happening together (Kelsi eating a custard filled donut first and a chocolate donut second), we multiply the probabilities:
P(custard first and chocolate second) = P(custard first) * P(chocolate second | custard first)
P(custard first and chocolate second) = (4/12) * (6/11)
P(custard first and chocolate second) = 0.1455
Rounding to 4 decimal places, we get:
P(custard first and chocolate second) ≈ 0.1455
Therefore, the probability that Kelsi will eat a custard filled donut and then a chocolate donut is approximately 0.1455.
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In the above example, we divided the domain into 3 elements. By doing so, we reduce the problem to determining a finite number of temperature values. Later, we will see how to obtain these values from governing equations and/or boundary conditions. For now, answer the following question based on the concepts covered in the above video.Let's consider the case when we increase the number of elements to 5. How many temperature values will we need to obtain to determine the variation of temperature along the line?With 5 elements, we have a total of 6 nodes. We need to obtain the temperature at each of these 6 nodes.Increasing the number of elements is referred to as mesh refinement.
Answer:
6
Step-by-step explanation:
With 5 elements, we have a total of 6 nodes. We need to obtain the temperature at each of these 6 nodes.
Increasing the number of elements is referred to as mesh refinement.
I hope this helped you:D
An engineer earns an annual salary of $58236. Calculate his gross monthly salary
Answer:
$4853
Step-by-step explanation:
Since there are 12 months in 1 year, the monthly salary is 1/12 of the yearly salary. We divide the annual salary by 12 to calculate the monthly salary.
$58236/12 = $4853
a child builds towers using identically shaped cubes of different color. how many different towers with a height 8 cubes can the child build with 2 red cubes, 3 blue cubes, and 4 green cubes? (one cube will be left out.) (2019 amc 10a problem 17) (a) 24 (b) 288 (c) 312 (d) 1, 260 (e) 40, 320
The number of different towers with a height of 8 cubes can the child build with 2 red cubes, 3 blue cubes, and 4 green cubes is 312.
To solve this problem, we can use the formula for the number of ways to arrange n objects with k of one type, m of another type, etc. Specifically, the formula of combination is:
(n-1)! / (k! * m! * ...)
In this case, we have 8 cubes total, with 2 red, 3 blue, and 4 green. So applying the formula, we get:
(8-1)! / (2! * 3! * 4!) = 7! / (2! * 3! * 4!)
= (7*6/2) * (5*4*3/6) * (4*3*2*1/24)
= 21 * 20 * 1
= 420
However, we have to remember that we are leaving out one cube. This means that for each tower we counted, there is actually a corresponding tower that is identical except for the color of the cube that was left out. So we need to divide by 3 (since there are 3 choices for which cube to leave out). This gives us:
420 / 3 = 140
So the answer is (c) 312.
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Find the value of $x$ . Four rays share an endpoint J. The rays are named ray N J, ray K J, ray L J, and ray M J. The angle K J N and the angle K J L form a linear pair. The angle M J N and the angle M J L form a linear pair. The angle K J N measures left-parenthesis 2 x minus 10 right-parenthesis degrees. The angle M J N measures left-parenthesis 2 x plus 40 right-parenthesis degrees. The angle K J M is a right angle.
The required value of x is 15 for the given angles.
Since ∠KJN and ∠KJL form a linear pair, their sum is 180 degrees.
Therefore, we have:
2x - 10 + ∠KJL = 180
Simplifying, we get:
∠KJL = 190 - 2x
Similarly, angle MJN and angle MJL form a linear pair, so:
2x + 40 + ∠MJL = 180
∠MJL = 140 - 2x
Since ∠KJM is a right angle, we have:
∠KJN + ∠MJN = 90
Substituting the given values, we get:
2x - 10 + 2x + 40 = 90
4x = 60
x = 15
Hence, the value of x is 15.
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can someone help me please
Answer:
AB is not tangent to the circle
Step-by-step explanation:
You want to know if segment AB of length 9 is tangent to the circle with diameter 12 at point B given that the third side of the triangle is 13 units long.
Pythagorean tripleYou know that the numbers {5, 12, 13} are a Pythagorean triple, so these lengths form a right triangle. The lengths (9, 12, 13) cannot form a right triangle, so AB will not be perpendicular to the diameter.
AB is not a tangent
Pythagorean theoremThe segments will form a right triangle if they satisfy the Pythagorean theorem, which requires the sum of the squares of the shorter sides equal the square of the longest side.
9² +12² = 13²
81 +144 = 169 . . . . . . false — not a right triangle
Form FactorA "form factor" can be computed for the triangle to tell if the largest angle is acute, right, or obtuse. That is ...
f = a² +b² -c²
f = 81 +144 -169 = 56 . . . . . . . f > 0 means the triangle is acute
The measure of the largest angle can be found from ...
C = arccos(f/(2ab)) = arccos(56/216) ≈ 74.97°
This is further confirmation that AB is not tangent to the circle.
__
Additional comment
The attached drawing is to scale. It shows AB has two points of intersection with the circle, so is not tangent.
a multiple-choice test consists of 27 questions with possible answers of a, b, c, d. estimate the probability that with random guessing, the number of correct answers is at least 10.
The estimated probability of getting at least 10 correct answers by random guessing is approximately 0.023, or about 2.3%.
To solve this problem, we need to use the binomial distribution. Let X be the number of correct answers out of 27, with each question having 4 possible choices, so the probability of guessing correctly is 1/4.
Let p = 1/4 be the probability of guessing a question correctly, and q = 1-p = 3/4 be the probability of guessing incorrectly.
The probability of getting at least 10 correct answers out of 27 is:
P(X >= 10) = 1 - P(X < 10)
We can use the binomial probability formula to calculate P(X < 10) as follows:
P(X < 10) = Σ_{k=0}^{9} (27 choose [tex]k) * p^k * q^(27-k)[/tex]
where (27 choose k) = 27! / (k! * (27-k)!) is the number of ways to choose k correct answers out of 27.
We can use a calculator or a computer program to evaluate this sum, or we can use a normal approximation to the binomial distribution.
Using the normal approximation, we can approximate the binomial distribution with a normal distribution with mean μ = np = 27*(1/4) = 6.75 and standard deviation σ = sqrt(npq) = sqrt(27*(1/4)*(3/4)) = 1.64.
Then, we can standardize the random variable X as follows:
Z = (X - μ) / σ
The probability of getting at least 10 correct answers is equivalent to the probability of Z being greater than or equal to:
Z' = (10 - 6.75) / 1.64 = 1.99
Using a standard normal distribution table or a calculator with a normal cumulative distribution function, we can find:
P(Z >= 1.99) = 0.023
Therefore, the estimated probability of getting at least 10 correct answers by random guessing is approximately 0.023, or about 2.3%.
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Write the equation of the absolute value function y = –|x| translated left 4 units.
Answer:
Step-by-step explanation:
The equation of the absolute value function y = |x| is a V-shaped graph centered at the origin. To translate this graph left 4 units, we need to replace x with (x + 4) in the equation. Also, since the question asks for y = -|x|, we need to reflect the graph across the x-axis by multiplying the entire equation by -1. Therefore, the equation of the translated absolute value function is:
y = -|x + 4|
This equation represents a V-shaped graph that is centered at x = -4 and opens downward (since it is multiplied by -1), with the vertex at (-4,0).
Answer: y = -|x+4|
Step-by-step explanation:
the formula for absolute value is
y = a|x-h| +k
(h, k), is your vertex
h, is your shift left or right
k, is your shift up or down
a, is your stretch and negative in front indicates a reflections.
if you want to shift he function left for that's -4 so substitut in your equations for h -4
y= -|x-(-4)|
y = -|x+4|
compared to the 1970s, how has the proportion of middle-aged women in the 2010s who opted not to have children changed?
Compared to the 1970s, there has been an increase in the proportion of middle-aged women in the 2010s who have opted not to have children.
This trend is often attributed to factors such as increased access to birth control, greater career opportunities for women, and a shift in societal attitudes towards motherhood. However, it's worth noting that there are still many women who do choose to have children in their middle age, and the decision to have children is a deeply personal one that varies from individual to individual.
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In politics, marketing, etc. we often want to estimate a percentage or proportion p. One calculation in statistical polling is the margin of error - the largest (reasonble) error that the poll could have. for example, a poll result of 72% with a margin of error of 4% indicates that p is most likely to be between 68% and 76% (72% minus 4% to 72% plus 4%). Describe the conclusion about p using an absolute value inequality.
The conclusion about p using an absolute value inequality would be that |p - 72| ≤ 4. This means that the difference between the true proportion p and the estimated proportion 72% is no more than 4%.
In other words, p is most likely to fall within the range of 68% to 76%, as determined by the margin of error in the statistical polling calculation. This emphasizes the importance of recognizing and accounting for the potential for error and uncertainty in estimating percentages and proportions in various fields, including politics and marketing.
To describe the conclusion about the percentage (p) in statistical polling using an absolute value inequality, you can use the margin of error (4% in this example) as a way to create the inequality.
In this case, we have a poll result of 72% and a margin of error of 4%. So, the absolute value inequality would be:
|p - 72%| ≤ 4%
This inequality shows that the difference between the true percentage (p) and the poll result (72%) should be less than or equal to the margin of error (4%). In other words, the true percentage (p) is most likely to be between 68% and 76% (72% minus 4% to 72% plus 4%).
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Subtract the sum of -4/7 and -5/7 from the sum of 1/2 and -21/22
The value of the fraction -5/7 and -4/7 added and subtracted from the fraction -21/2 added to 1/22 is 64/77.
The sum of 1/2 and -21/22 can be found by finding a common denominator,
1/2 = 11/22 (since 11 x 2 = 22)
-21/22 = -21/22
Therefore, the sum of 1/2 and -21/22 is,
= 11/22 - 21/22
= -10/22 = -5/11
The sum of -4/7 and -5/7 is,
-4/7 - 5/7 = -9/7
Now, subtracting as asked in the question.
= (-5/11)-(-9/7)
= (-5/11)+(9/7)
Finding common denominator to add the fractions,
7 x 11 = 77
(-5x7)/(11x7)+(9x11)/(7x11)
= -35/77 + 99/77
Now, we can combine the numerators,
-35/77 + 99/77 = 64/77
Therefore, the final answer is 64/77.
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How many five digit odd numbers less than 70,000 can be formed using the digits 2,4,6,7,8 and 9 if you can repeat digits
The total number of five-digit odd numbers is 864 + 216 = 1080
How to find How many five digit odd numbers less than 70,000The units digit must be one of 7 or 9 to make a five-digit odd number. The last four digits can be any of the six provided digits, and they can be repeated.
So we have two scenarios:
Case 1: The first digit of the units is 7.
In this scenario, we have four options for the initial digit (2, 4, 6, or 8) and six options for the following digits. As a result, the total number of five-digit odd numbers is:
4 x 6 x 6 x 6 = 864
Case 2: The unit digit is nine.
In this scenario, we only have one option for the initial digit (7) and six options for the other digits.
As a result, the total number of five-digit odd numbers is 864 + 216 = 1080
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For the polyhedron, use Euler's Formula to find the missing number.
faces: __
edges: 11
vertices: 7
There is a one-sample study to test the null hypothesis that m = 0 versus the alternative that m > 0. Assume that s is 20. Suppose that it would be important to be able to detect the alternative m > 4. What sample size is needed to detect this alternative with power of at least 0.80? Use a 5% significance level.
We need a sample size of at least 62 to detect the alternative hypothesis with power of at least 0.80 at a 5% significance level.
To answer this question, we need to use power analysis. Power is the probability of rejecting the null hypothesis when it is false. In this case, the null hypothesis is m = 0 and the alternative hypothesis is m > 0. We want to detect the alternative hypothesis with power of at least 0.80 at a 5% significance level.
Assuming that s is 20 and we want to detect the alternative m > 4, we can use the following formula to calculate the sample size:
n = (Zα/2 + Zβ)² * σ² / δ²
where:
- Zα/2 is the critical value for the significance level α/2 (α = 0.05, so Zα/2 = 1.96)
- Zβ is the critical value for the power (power = 0.80, so Zβ = 0.84)
- σ is the standard deviation (σ = 20)
- δ is the difference between the null hypothesis and the alternative hypothesis (δ = 4)
Substituting these values into the formula, we get:
n = (1.96 + 0.84)² * 20² / 4²
n = 61.61
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The box that the kite came in is a rectangular prism with dimensions of 21/2” x 9 1/2” x 2”
The volume of the box is given as follows:
V = 199.5 in³.
How to obtain the volume of a rectangular prism?The volume of a rectangular prism, with dimensions length, width and height, is given by the multiplication of these dimensions, according to the equation presented as follows:
Volume = length x width x height.
The dimensions for this problem, in inches, are given as follows:
10.5, 9.5 and 2.
Hence the volume of the box is given as follows:
V = 10.5 x 9.5 x 2
V = 199.5 in³.
Missing InformationThe problem asks for the volume of the box.
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Each wooden cube has a volume of 1/2 cubic foot.in total , how many wooden. Cubes will fit in the box it’s 5ft 8 ft 3ft
240 wooden cubes can fit in box.
We have,
Volume of wooden cube= 1/2 cubic foot
Dimension of box = 5ft x 8 ft x 3 ft
So, the Volume of Box
= l w h
= 5 x 8 x 3
= 120 ft³
Now, the number of wooden cubes fit in box
= 120/ 0.5
= 240
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A bag contains a total of 12 marbles, and 4 of the marbles are blue. If a marble is randomly selected, returned to the bag, and a second marble is randomly selected, the theoretical probability that the first marble is white and the second marble is blue is 736. How many white marbles are in the bag?
The number of white marbles in the bag is w = 7
Given data ,
Let's write "w" for the quantity of white marbles in the bag. Four of the twelve marbles in the bag are blue, as shown by the information provided. This indicates that "12 - 4 = 8" applies to the remaining white marbles.
Now , when a marble is randomly selected and returned to the bag, the probability of selecting a white marble is w/12, where "w" is the number of white marbles and 12 is the total number of marbles in the bag.
Similarly, when a second marble is randomly selected (with replacement), the probability of selecting a blue marble is 4/12, since there are 4 blue marbles out of 12 marbles in total.
So , the probability is given by
(w/12) x (4/12) = 7/36
On simplifying , we get
4w/144 = 7/36
Cross-multiplying:
144 x (4w/144) = 144 x (7/36)
4w = 28
Dividing both sides by 4:
w = 28/4
w = 7
Hence , the number of white marbles in the bag is 7
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A, B events such that P r(A) = 0.4 and P r(A ∩ B) = 0.2. Find P r(B | A)
The probability of event B given event A has occurred is 0.5.
How to find the P r(B | A)By using the conditional probability formula, we have:
P r(B | A) = P r(A ∩ B) / P r(A)
We are given that P r(A) = 0.4 and P r(A ∩ B) = 0.2.
Substituting these values, we get:
P r(B | A) = 0.2 / 0.4
By simplifying;
P r(B | A) = 0.5
Therefore, the probability of event B given event A has occurred is 0.5.
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A container holds 0. 7 liters of oil and vinegar. 3
4
of the mixture is vinegar. How many liters of oil are in the container? Express your answer as both a fraction and a decimal. Check your answer in decimal form
There is a fraction of 0.525 liters of vinegar in the container for a container that holds 0.7 liters of oil and vinegar and 3/4 of the mixture is vinegar.
First, find out how much of the mixture is vinegar:
3/4 of the mixture = 3/4 × 0.7 = 0.525 liters
Therefore, there are 0.525 liters of vinegar in the container.
To express this as a fraction, we can write 0.525 as 525/1000 and simplify it to 21/40.
So, the answer in both fraction and decimal forms are:
0.525 liters = 21/40 liters
To check our answer in decimal form, we can add the amount of oil and vinegar to make sure it equals the total volume of the container:
0.525 + (1 - 0.75) × 0.7 = 0.525 + 0.175 = 0.7
As expected, the sum is equal to the total volume of the container, which is 0.7 liters.
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The question is -
A container holds 0.7 liters of oil and vinegar. 3/4 of the mixture is vinegar. how many liters of vinegar is in the container?
What is the derivative of sin x with respect to x?
What is the derivative of cos x with respect to x?
What is the antiderivative of sin x with respect to x?
What is the antiderivative of cos x with respect to x?
Cosx, -sinx, -cosx + C, sinx + C are the derivative answers to the question.
The derivative of sin x with respect to x is cos x.
The derivative of cos x with respect to x is -sin x.
The antiderivative of sin x with respect to x is -cos x + C, where C is the constant of integration.
The antiderivative of cos x with respect to x is sin x + C, where C is the constant of integration.
1. The derivative of sin(x) with respect to x is cos(x).
2. The derivative of cos(x) with respect to x is -sin(x).
3. The antiderivative of sin(x) with respect to x is -cos(x) + C, where C is the constant of integration.
4. The antiderivative of cos(x) with respect to x is sin(x) + C, where C is the constant of integration.
A derivative in mathematics is a measurement of how much a function alters as its input alters. It refers to how quickly a function alters in relation to its input variable. The slope of the tangent line to the function at a certain point is what it is, in other words.
The limit of the ratio of the change in the output to the change in the input, as the change in the input approaches zero, is known as the derivative of a function, indicated by the symbols f'(x) or [tex]dy/dx[/tex].
The opposite of differentiation is an antiderivative, usually referred to as an indeterminate integral. It is a function that yields the original function when differentiated. In other words, f(x) follows if [tex]f'(x) = g(x)[/tex].
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answer this question for me.
Answer:its b
Step-by-step explanation:
volume practice worksheet find the volume inside the cube but outside the sphere. the cube has sidelenghts of 8 meters
Answer: 512 feet^3
Step-by-step explanation:
The volume of a cube is x^3, where x is the sidelength. 8^3 is equal to 512 and since its in the 3rd dimension it's feet^3 or feet cubed.
Answer:
Approximately 243.917
Step-by-step explanation:
The cube has a volume of 8³ = 512.
The sphere has a volume of [tex]\frac{4}{3}\pi r^3[/tex].
The volume inside the cube but outside the sphere is:
[tex]512-\frac{4}{3}\pi r^3[/tex] (1)
The radius of the sphere is equal to the sidelengths of the cube divided by 2 as seen by the picture.
So r = 8/2 = 4.
Substituting r into (1):
[tex]512-\frac{4}{3}\pi 4^3=512-\frac{256\pi }{3}=243.917[/tex]
The radius of a sphere with volume 288 pi cm^3
The radius of a sphere with volume 288π cm³ is equal to 6 centimeter.
How to calculate the volume of a sphere?In Mathematics and Geometry, the volume of a sphere can be calculated by using the following mathematical equation (formula):
Volume of a sphere = 4/3 × πr³
Where:
r represents the radius.
By substituting the given parameters into the formula for the volume of a sphere, we have the following;
288π = 4/3 × π × r³
r³ = 864/4
Radius, r = ∛216
Radius, r = 6 centimeter.
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PLS HELP ME PLEASE!!! how would I graph this. A freight company charges $25 plus $4.50 per pound to ship an item that weighs n pounds. The total shipping charges are given by the equation C = 4.5n+ 25. Identify the slope and y-intercept, and use them to graph the equation for n between 0 and 50 pounds.
The slope and y-intercept are 4.5 and 25 respectively.
A graph of the equation for the total shipping charges is shown below.
What is the slope-intercept form?In Mathematics and Geometry, the slope-intercept form of the equation of a straight line is given by this mathematical expression;
y = mx + c
Where:
m represents the slope or rate of change.x and y are the points.c represents the y-intercept or initial value.Based on the information provided about this freight company, the total shipping charges are given by;
C = 4.5n + 25
By comparison, we have the following:
Slope, m = 4.5.
y-intercept = 25.
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The cycle time for trucks hauling concrete to a high way construction site is uniformly distributed over the interval 50to 70minutes. What is the probability that the cycle time exceeds 65 minutes if it is known that the cycle time exceeds 55 minutes?
The probability that the cycle time exceeds 65 minutes given that it exceeds 55 minutes is 1/3.
To solve this problem, we can use conditional probability. We know that the cycle time for trucks hauling concrete is uniformly distributed between 50 to 70 minutes. Let X be the cycle time in minutes.
So, P(X > 65 | X > 55) = P(X > 65 and X > 55) / P(X > 55)
We can simplify the numerator as P(X > 65 and X > 55) = P(X > 65) since if X is greater than 65, it is also greater than 55. Using the formula for the uniform distribution, we get:
P(X > 65) = (70 - 65) / (70 - 50) = 1/4
Similarly, we can calculate the probability of X being greater than 55:
P(X > 55) = (70 - 55) / (70 - 50) = 3/4
Putting these values in the conditional probability formula, we get:
P(X > 65 | X > 55) = (1/4) / (3/4) = 1/3
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