To evaluate the given integral using cylindrical coordinates, we need to first express the given solid E and the differential volume element dv in terms of cylindrical coordinates.
In cylindrical coordinates, the paraboloid z = 1 – x^2 - y^2 can be expressed as z = 1 – r^2, where r is the distance from the z-axis and θ is the angle made with the positive x-axis. Since the solid E lies in the first octant, we have 0 ≤ r ≤ √(1-z), 0 ≤ θ ≤ π/2, and 0 ≤ z ≤ 1 – r^2.
The differential volume element dv in cylindrical coordinates is given by dv = r dz dr dθ.
Substituting these expressions in the given integral, we get:
SITE . 742 + x^2 dv = ∫∫∫E (742 + r^2) r dz dr dθ
= ∫θ=0π/2 ∫r=0√(1-z) ∫z=0^(1-r^2) (742 + r^2) r dz dr dθ
= ∫θ=0π/2 ∫r=0√(1-z) [(742r + r^3/3) - (742r^3/3 + r^5/5)] dr dθ
= ∫θ=0π/2 ∫z=0^1 [247/3(1-z)^(3/2) - 185/6(1-z)^(5/2)] dz dθ
= ∫θ=0π/2 [98/15 - 185/21] dθ
= ∫θ=0π/2 [56/315] dθ
= [28/315]π
Therefore, the value of the given integral using cylindrical coordinates is [28/315]π.
To evaluate the given integral using cylindrical coordinates, we need to express the function and limits of integration in terms of cylindrical coordinates (r, θ, z). The conversion between Cartesian and cylindrical coordinates is given by:
x = r*cos(θ)
y = r*sin(θ)
z = z
The given function in the problem is z = 1 - x^2 - y^2. Substituting the expressions for x and y in terms of cylindrical coordinates, we get:
z = 1 - r^2(cos^2(θ) + sin^2(θ))
z = 1 - r^2
Now, we need to find the limits of integration for r, θ, and z. Since E is the solid in the first octant, the limits for θ are 0 to π/2. For r, the limits are 0 to √(1 - z), and for z, the limits are 0 to 1. Then, the integral becomes:
∫(0 to π/2) ∫(0 to √(1 - z)) ∫(0 to 1) (742 + r^2cos^2(θ) + r^2sin^2(θ)) * r dz dr dθ
Solve this triple integral to find the volume of the solid E.
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Suppose a bus arrives at a bus stop every 26 minutes. If you arrive at the bus stop at a random time, what is the probability that you will have to wait at least 4 minutes for the bus?
The time between buses arriving at the stop follows an exponential distribution with a mean of 26 minutes.
To find the probability of waiting at least 4 minutes for the bus, we can use the cumulative distribution function (CDF) of the exponential distribution:
P(waiting at least 4 minutes) = 1 - P(waiting less than 4 minutes)
The probability of waiting less than 4 minutes can be calculated using the CDF:
P(waiting less than 4 minutes) = 1 - e^(-4/26) ≈ 0.146
Therefore, the probability of waiting at least 4 minutes for the bus is:
P(waiting at least 4 minutes) = 1 - 0.146 ≈ 0.854
So the probability of having to wait at least 4 minutes for the bus is about 85.4%.
Consider the circle centered at the origin and passing through the point (0, 4)
Equation of the circle: x^2 + (y - 2)^2 = 4
How to find the equation of the circle?
The circle centered at the origin and passing through the point (0, 4) can be represented by the equation of a circle. The general equation of a circle is (x - h)^2 + (y - k)^2 = r^2, where (h, k) represents the center of the circle and r represents the radius.
Since the center is at the origin (0, 0), the equation simplifies to x^2 + y^2 = r^2. To determine the radius, we can use the point (0, 4) that lies on the circle. Substituting these coordinates into the equation, we get 0^2 + 4^2 = r^2. Simplifying, we find that 16 = r^2.
Therefore, the equation of the circle centered at the origin and passing through the point (0, 4) is x^2 + y^2 = 16.
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143°
(8x+55)° find the value of X
Answer:11
Step-by-step explanation:Vertically opposite angles are the same.
Alternate(Z)angles are the same.Therefore we have an angle of 143 vertically opposite to the equation.143-55=88
88/8=11
Determine the equation of the tangent plane to the surface z = y ln x at the point (1, 4, 0)
z = 4(x - 1) - ln (y - 4)
Therefore, the equation of the tangent plane to the surface z = y ln x at the point (1, 4, 0) is z = 4(x - 1) - ln (y - 4).
To determine the equation of the tangent plane to the surface z = y ln x at the point (1, 4, 0), we first need to find the partial derivatives of the surface with respect to x and y.
∂z/∂x = y/x
∂z/∂y = ln x
Then, we can use these partial derivatives along with the point (1, 4, 0) to find the equation of the tangent plane using the formula:
z - z0 = ∂z/∂x(x0, y0)(x - x0) + ∂z/∂y(x0, y0)(y - y0)
where (x0, y0, z0) is the given point.
Plugging in the values, we have:
z - 0 = (4/1)(x - 1) + ln 1(y - 4)
Simplifying:
z = 4(x - 1) - ln (y - 4)
Therefore, the equation of the tangent plane to the surface z = y ln x at the point (1, 4, 0) is z = 4(x - 1) - ln (y - 4).
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Consider the function f(x) = 2x³ + 6x² – 144x + 4, -6 ≤ x ≤ 5. Find the absolute minimum value of this function. Answer: Find the absolute maximum value of this function. Answer:
The absolute maximum value of the function f(x) is 222.
To find the absolute minimum value of the function f(x), we need to first find the critical points within the given interval -6 ≤ x ≤ 5. To do this, we take the derivative of f(x) and set it equal to zero:
f'(x) = 6x² + 12x - 144
0 = 6(x² + 2x - 24)
0 = 6(x+6)(x-4)
The critical points are x=-6, x=-4, and x=4. To determine which of these points correspond to a minimum value, we evaluate f(x) at each of these points and at the endpoints of the interval:
f(-6) = -880, f(-4) = -184, f(4) = -136, f(-6) = -880, f(5) = 222
Therefore, the absolute minimum value of the function f(x) is -880.
To find the absolute maximum value of the function f(x), we follow the same process. The critical points are still x=-6, x=-4, and x=4, but now we need to evaluate f(x) at each of these points and at the endpoints of the interval to determine which corresponds to a maximum value:
f(-6) = -880, f(-4) = -184, f(4) = -136, f(-6) = -880, f(5) = 222
Therefore, the absolute maximum value of the function f(x) is 222.
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Every time you practice, you gain more skills.
Conditional:
Hypothesis:
Conclusion:
Converse:
Inverse:
Contrapositive:
Hypothesis: Every time you practice, you gain more skills.
What happens when you practice?Conclusion: Gain of skills is a result of practice.
Converse: If you gain more skills, then you practice every time.
Inverse: If you don't practice, then you don't gain more skills.
Contrapositive: If you don't gain more skills, then you don't practice every time.
The hypothesis states that practicing leads to an increase in skills. This can be interpreted as a cause and effect relationship between the two variables.
The conclusion reiterates that gaining skills is a result of practice.
The converse of the statement flips the order of the hypothesis and the conclusion. It states that if you gain more skills, then you must have practiced every time.
This may not be entirely true because there can be other factors that contribute to the gain of skills besides practice.
The inverse of the statement negates both the hypothesis and the conclusion. It states that if you don't practice, then you don't gain more skills.
This statement is true because practice is a necessary condition for gaining skills. However, it doesn't mean that practicing alone guarantees the gain of skills.
The contrapositive of the statement flips the order of the negated hypothesis and the negated conclusion. It states that if you don't gain more skills, then you didn't practice every time.
This statement is also true because if one doesn't practice, they cannot expect to gain more skills.
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James weighs 8712 pounds. he has 2 dogs that each weigh 1314 pounds. how many more pounds does james weigh than both of his dogs combined?
James weighs 6084 more pounds than both of his dogs combined.
To find out how many more pounds James weighs than both of his dogs combined, we first need to calculate the total weight of the dogs. Since he has two dogs that weigh 1314 pounds each, we can find the total weight of the dogs by multiplying 1314 by 2, which gives us 2628 pounds.
Next, we can add the weight of both dogs together to get the total weight of the dogs, which is 2628 pounds. We can then subtract the weight of the dogs (2628 pounds) from James' weight (8712 pounds) to find out how many more pounds James weighs than both of his dogs combined.
Therefore, James weighs 6084 more pounds than both of his dogs combined. This can be calculated by subtracting the weight of the dogs (2628 pounds) from James' weight (8712 pounds), which gives us 6084 pounds.
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A health insurance company wants to know the proportion of admitted hospital patients who have a type 2 diabetes at orlando health hospitals. how large of a sample should be taken to estimate the proportion within 6% at 93% confidence?
To estimate the proportion of admitted hospital patients who have type 2 diabetes at Orlando Health Hospitals within a certain margin of error and confidence level,
we can use the following formula to determine the necessary sample size:
[tex]n = [(Z^2 * p * q) / E^2] / [1 + ((Z^2 * p * q) / E^2N)][/tex]
where:
n = sample size
Z = z-score for the desired confidence level (in this case, 1.81 for a 93% confidence level)
p = estimated proportion of patients with type 2 diabetes (unknown)
q = 1 - p
E = margin of error (0.06)
N = population size (unknown)
Since we do not know the estimated proportion of patients with type 2 diabetes or the population size,
we can assume a conservative estimate of p = q = 0.5, which maximizes the sample size required.
Plugging in the values, we get:
[tex]n = [(1.81^2 * 0.5 * 0.5) / 0.06^2] / [1 + ((1.81^2 * 0.5 * 0.5) / 0.06^2N)][/tex]
Simplifying, we get:
[tex]n = 1242.95 / [1 + (2.4 / N)][/tex]
To satisfy the requirements of the problem, we need to round up to the nearest whole number, so we need a sample size of at least 1243 patients.
Note that if we had a better estimate for p or N, we could use those values in the formula to get a more precise sample size.
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8. (02.03 mc)
costs of attendance
category
dollar amount
annual tuition and fees
$4,934.00
annual room and board
$1,424.00
annual cost of books and supplies $1,250.00
other one-time fee
$275.00
annual scholarship and grants
$5,250.00
using the information from the table, identify the equation in slope-intercept form that models the total cost of attendance. (1 point)
o y = 2,358x + 275
o y = 2,633x
o y = 7,608x + 275
o y = 7,883
The equation in slope-intercept form that models the total cost of attendance is: y = 2,633x + 275.
1. Add up the annual costs: tuition and fees ($4,934), room and board ($1,424), and cost of books and supplies ($1,250) to get the total annual cost: $4,934 + $1,424 + $1,250 = $7,608.
2. Subtract the annual scholarship and grants from the total annual cost: $7,608 - $5,250 = $2,358. This is the slope (x) of the equation, as it represents the cost per year.
3. The other one-time fee ($275) is the y-intercept of the equation, as it's a fixed cost that does not change with the number of years.
4. Put the slope and y-intercept into the slope-intercept form (y = mx + b) to get: y = 2,633x + 275.
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A force of 80 pounds on a rope is used to pull a box up a ramp inclined at 10 degrees from the horizontal. The rope forms an angle of 33 degrees with the horizontal. How much work is done pulling the box 26 feet along the ramp?
The work done on the displacement is 301.95J
What is the work done in pulling the boxTo determine the work done, we need to find the displacement in which the box moved.
cos θ = adjacent / hypothenuse
cos 33 = adjacent / 80
adjacent = 80 * cos 33
adjacent = 67.1 lbs
The force applied is 67.1lbs
The displacement on the ramp;
sin θ = opposite / hypothenuse
sin 10 = opposite / 26
opposite = 26 * sin 10
opposite = 4.5 ft
The work done in moving the object can be calculated as;
work done = force * displacement
work done = 67.1 * 4.5
work done = 301.95 J
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Solve the equation and check your solution: x + 4 = -2 + x
The equation x + 4 = -2 + x has no solution for x
Solving the equation and checking the solutionFrom the question, we have the following parameters that can be used in our computation:
x + 4 = -2 + x
Subtract x from both sides of the equation
so, we have the following representation
x - x + 4 = -2 + x - x
When the like terms of the equation are evaluated, we have
4 = -2
The above equation is false
This is because 4 and -2 do not have the same value
Hence, the equation has no solution
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When solving two-step equations, you are using the reverse order of operations to solve the two-step equations.
Select one:
True
False
Therefore , the solution of the given problem of equation comes out to be False.
What is an equation?In order to demonstrate consistency between two opposing statements, variable words are frequently used in sophisticated algorithms. Equations are academic phrases that are used to demonstrate the equality of different academic figures. Consider expression the details as y + 7 offers. In this case, elevating produces b + 7 when partnered with building y + 7.
Here,
False.
The order of operations we use to solve two-step equations is the same order we use to solve every other mathematical statement,
which is commonly recalled by the acronym PEMDAS. (parentheses, exponents, multiplication and division from left to right, and addition and subtraction from left to right).
The fundamental distinction is that we are carrying out the operations against the equation's representation. For instance, consider the following equation:
=> 2x + 5 = 11
To get the following result, we would first subtract 5 from both sides, then divide by 2.
=> x = 3
In order to "undo" the operations that were carried out on the variable in the original equation, we are utilising the same series of operations as usual, but in reverse order.
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What is the median of the lower half of data
We can see here that in order to find the median of the lower half of data, one will have to sort out the data in an ascending order. Then take the lower half of the data (i.e., the first half of the sorted data) and find its median.
What is median?The median, which is used to measure central tendency in statistics, is the point at which a dataset may be divided into two equal parts. If a dataset has an even number of values, it is the average of the two middle values or the middle value in a sorted dataset.
The values in the dataset must first be arranged from lowest to highest in order to determine the median. The median is the middle value if the dataset has an odd number of values.
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Let f:R → R be a function that satisfies ∫f(t)dt then the value of f(log e 5) is
Unfortunately, I cannot provide an answer to this question as it is incomplete. The given information ∫f(t)dt is not enough to determine the value of f(log e 5). More information about the function f would be needed, such as its explicit form or additional properties. Please provide more context or information to help me answer your question accurately.
Given that f is a function f:R → R that satisfies ∫f(t)dt, we need to find the value of f(log e 5).
By definition, log e 5 is the natural logarithm of 5, which can be written as ln(5). Therefore, we want to find the value of f(ln(5)).
However, without further information on the function f or the integral bounds, it's not possible to determine the exact value of f(ln(5)). Please provide more details about the function or the integral to get a specific answer.
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PLEASE HELP WILL GIVE BRAINLEST !!!!
For y = 72√x, find dy, given x = 4 and Δx = dx = 0.21
dy = (Simplify your answer.)
To find dy for the function y = 72√x, given x = 4 and Δx = dx = 0.21, we will first find the derivative of y with respect to x and then plug in the given values.
1. Differentiate y with respect to x: y = 72√x can be rewritten as y = 72x^(1/2)
Apply the power rule: dy/dx = 72 * (1/2)x^(-1/2)
Simplify: dy/dx = 36x^(-1/2)
2. Plug in the given values: x = 4 and dx = 0.21
dy/dx = 36(4)^(-1/2)
dy/dx = 36(1/√4)
dy/dx = 36(1/2)
dy/dx = 18
3. Calculate dy: dy = (dy/dx) * dx
dy = 18 * 0.21
dy = 3.78
So, for y = 72√x, dy is 3.78 when x = 4 and Δx = dx = 0.21.
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Let S be the part of the plane 3+ + 2) + z = 1 which lies in the first octant, oriented upward. Use the Stokes theorem to find the flux of the vector field F = 3i+3j + 4k across the surface S.
The surface integral of the dot product between the vector field F = 3i + 3j + 4k and the unit normal vector of the surface S is equal to zero.
To use Stokes' theorem to find the flux of the vector field F = 3i + 3j + 4k across the surface S, which is the part of the plane 3x + 2y + z = 1 in the first octant and oriented upward.
Stoke's theorem statement is “the surface integral of the curl of a function over the surface bounded by a closed surface will be equal to the line integral of the particular vector function around it.” Stokes theorem gives a relation between line integrals and surface integrals.
First, we need to parametirize the curve C that bounds the surface S. Since S is in the first octant, x, y, and z are all non-negative.
The boundary C consists of three line segments: (i) from (0, 0, 0) to (1/3, 0, 0), (ii) from (1/3, 0, 0) to (0, 1/2, 0), and (iii) from (0, 1/2, 0) to (0, 0, 0). Next, calculate the curl of F, which is the cross product of the del operator and F:
curl(F) = (∂Fz/∂y - ∂Fy/∂z)i - (∂Fx/∂z - ∂Fz/∂x)j + (∂Fy/∂x - ∂Fx/∂y)k = (0 - 0)i - (0 - 0)j + (0 - 0)k = 0.
Since curl(F) = 0, the line integral of F over C is also 0.
According to Stokes' theorem, the flux of F across S equals the line integral of F over C, which we found to be 0.
Therefore, the flux of the vector field F = 3i + 3j + 4k across the surface S is 0.
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The point (7,8) in the coordinate plane represents a ratio. adela claims that you can find equivalent ratio by adding the same number to both coordinate of the point. is adela correct? explain.
For the point (7,8) in the coordinate plane which represents a ratio, Adela claims that you can find equivalent ratio by adding the same number to both coordinate of the point is incorrect.
Adela claim is not correct. To find an equivalent ratio, you should multiply (or divide) both coordinates by the same nonzero number instead of adding the same number.
1. The point (7,8) represents the ratio 7:8.
2. If we add the same number to both coordinates, let's say 2, we get the point (9,10), which represents the ratio 9:10.
3. We can check if 7:8 and 9:10 are equivalent ratios by cross-multiplying:
7 * 10 = 70 and 8 * 9 = 72. Since 70 ≠ 72, these ratios are not equivalent.
Therefore, Adela's claim is incorrect because adding the same number to both coordinates of the point does not result in an equivalent ratio. To find equivalent ratios, you should multiply (or divide) both coordinates by the same nonzero number.
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Find f'(4) for f(x) 8/In(3x^2) Round to 3 decimal places, if necessary.
To find f'(4), we need to take the derivative of f(x) with respect to x and then evaluate it at x=4. Using the chain rule, we get:
f'(x) = -16x/(ln(3x^2))^2
So, f'(4) = -16(4)/(ln(3(4)^2))^2 = -64/(ln(48))^2
Rounding to 3 decimal places, we get f'(4) = -0.019.
To find f'(4) for f(x) = 8/ln(3x^2), we first need to differentiate f(x) with respect to x. We will use the quotient rule and the chain rule for this purpose.
The quotient rule states: (u/v)' = (u'v - uv')/v^2, where u = 8 and v = ln(3x^2).
Now, differentiate u and v with respect to x:
u' = 0 (since 8 is a constant)
v' = d(ln(3x^2))/dx = (1/(3x^2)) * d(3x^2)/dx (using chain rule)
Now, differentiate 3x^2 with respect to x:
d(3x^2)/dx = 6x
So, v' = (1/(3x^2)) * (6x) = 2/x
Now, apply the quotient rule for f'(x):
f'(x) = (0 - 8 * (2/x))/(ln(3x^2))^2 = -16/(x * (ln(3x^2))^2)
Now, plug in x = 4 to find f'(4):
f'(4) = -16/(4 * (ln(3*(4^2)))^2) = -16/(4 * (ln(48))^2)
Rounded to 3 decimal places, f'(4) ≈ -0.171.
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Which of the following is an even function? g(x) = (x – 1)2 1 g(x) = 2x2 1 g(x) = 4x 2 g(x) = 2x
The only even function among the given options is g(x) = 2x^2, so the answer is B) g(x) = 2x^2.
A function is even if it satisfies the property g(-x) = g(x) for all x.
Checking each of the given functions:
g(x) = (x - 1)^2 is not even, because g(-x) = (-x - 1)^2 = x^2 + 2x + 1, which is not equal to g(x) = (x - 1)^2.
g(x) = 2x^2 is even, because g(-x) = 2(-x)^2 = 2x^2 = g(x) for all x.
g(x) = 4x^2 is even, because g(-x) = 4(-x)^2 = 4x^2 = g(x) for all x.
g(x) = 2x is odd, because g(-x) = 2(-x) = -2x = -g(x) for all x.
Therefore, the only even function among the given options is g(x) = 2x^2, so the answer is B) g(x) = 2x^2.
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Solve each system by substitution
Y=-7x-24
Y=-2x-4
Answer:
(- 4, 4 )
Step-by-step explanation:
y = - 7x - 24 → (1)
y = - 2x - 4 → (2)
substitute y = - 2x - 4 into (1)
- 2x - 4 = - 7x - 24 ( add 7x to both sides )
5x - 4 = - 24 ( add 4 to both sides )
5x = - 20 ( divide both sides by 5 )
x = - 4
substitute x = - 4 into either of the 2 equations and evaluate for y
substituting into (1)
y = - 7(- 4) - 24 = 28 - 24 = 4
solution is (- 4, 4 )
3. The scale of a room in a blueprint is 2 inches : 1 foot. A window in the same blueprint is 12 inches. Complete the table. Blueprint Length (in.) Actual Length (ft) a. How long is the actual window? 2 1 4 3 4 10 12 5 6 b. A mantel in the room has an actual width of 8 feet. What is the width of the mantel in the blueprint?
Therefor, the length of mantel in blueprint is > 30 ft
width of the mantel in the blueprint 8ft×2inc/1ft=16inch
what is width?The term "width" refers to the length from side to side of anything. For instance, the shorter side of a rectangle would be the width.
we know that
[scale]=[blueprint]/[actual]-------> [actual]=[blueprint]/[scale]
[scale]=3/5 in/ft
for [wall blueprint]=18 in
[wall actual]=[wall blueprint]/[scale]-------> 18/(3/5)----> 30 ft
Part A)
the actual wall is 30 ft long
Part B) window has actual width of 2.5 ft
[ window blueprint]=[scale]*[actual window]-----> (3/5)*2.5----> 1.5 in
the width of the window in the blueprint is 1.5 in
Part C) Complete the table
For [blueprint length]=4 in
[actual length]=[blueprint length]/[scale]-------> 4/(3/5)----> 20/3 ft
For [blueprint length]=5 in
[actual length]=[blueprint length]/[scale]-------> 5/(3/5)----> 25/3 ft
For [blueprint length]=6 in
[actual length]=[blueprint length]/[scale]-------> 6/(3/5)----> 30/3=10 ft
For [blueprint length]=7 in
[actual length]=[blueprint length]/[scale]-------> 7/(3/5)----> 35/3 ft
For [actual length]=6 ft
[blueprint length]=[actual length]*[scale]-------> 6*(3/5)----> 18/5 in
For [actual length]=7 ft
[blueprint length]=[actual length]*[scale]-------> 7*(3/5)----> 21/5 in
For [actual length]=8 ft
[blueprint length]=[actual length]*[scale]-------> 8*(3/5)----> 24/5 in
For [actual length]=9 ft
[blueprint length]=[actual length]*[scale]-------> 9*(3/5)----> 27/5 in
B) width of the mantel in the blueprint 8ft×2inc/1ft=16inch
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The cone is formed from 3,200 ft3 of gravel. If the height of the cone is 24 feet, what is the radius, in feet, of the base of the cone? Use the π button on your calculator to determine the answer. Round your answer to the nearest tenth of afoot. The radius of the base of the cone is approximately ____ feet
The radius of the base of the cone is approximately 12.65 feet if The cone is formed from 3,200 ft of gravel.
Height of cone = 24 feet
The volume of the cone = [tex]3,200 ft^3[/tex]
To find the volume of the cone, the formula used here is:
V =π* [tex]r^2h[/tex]
Here, the values of V and H are known terms. we need to calculate the radius r of the cone.
π = 3.14 constant value
Substituting the values in the above equation, we get:
[tex]3,200 = (1/3)^2*(24)*[/tex] π
[tex]r^2[/tex]= 3,200 / (8π)
[tex]r^2[/tex] = 400 / π
r = 12.65
Therefore, we can conclude that the radius of the base of the cone is 12.65 feet.
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Tell whether the angles are adjacent or vertical. Then find the value of x. Please help with this question
Can someone help me please
Answer:
A
Step-by-step explanation:
Simple interest gains interest only on the principal sum and so each year has the same interest. So, this example is not simple interest. Compound interest is calculated on the principal and the accumulated interest of the previous years. So, this is compound interest.
Interest is 4%.
[tex]A = P*(1 + R \%)^n[/tex]
Here A is the amount we receive after n years, P is the principal and R is the rate of interest.
A = $1300 , R = 4%
[tex]1300 = P * (1+0.04})\\\\1300 = P * 1.04\\\\\dfrac{1300}{1.04}=P\\\\\\\dfrac{130000}{104}=P[/tex]
P = $ 1250
• Orhan studied the relationship between
temperature and sales of refreshments
at the concession stands inside the football
stadium. He wrote an equation for the
linear function that relates temperature (x)
and refreshment sales (y). Which of the
following could be Orhan's equation?
A. Y=3x2 + 25
B. Y = 15x + 40
C. Y= llx - 55
-
D. Y= x – 135
The equation that could be Orhan's equation for the linear function that relates temperature and refreshment sales is Y = 15x + 40.
This is because the equation is in the form of y = mx + b, where m is the slope (or rate of change) and b is the y-intercept. In this case, the slope is 15, which means that for every increase of 1 degree in temperature, there will be an increase of 15 units in refreshment sales.
The y-intercept is 40, which means that even at a temperature of 0 degrees, there will still be some refreshment sales (40 units).
The other equations do not have a linear relationship between temperature and sales, as they either have a quadratic term (A), a negative slope (C), or a large negative constant term (D).
Hence, option B is the correct answer.
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Which expressions represent the length of side MN?
Choose 2 answers:
A. 4 • sin (65)
B. 1. 9 • cos (65)
C. 4/sin (65)
D. 1. 9/cos (65)
PLEASE HELP!!
Expressions A and B represent the length of side MN.
How can the length of side MN be expressed?The two expressions that represent the length of side MN are A) 4•sin(65) and B) 1.9•cos(65). The length of side MN can be found using the trigonometric ratios of sine and cosine in a right triangle.
The angle of 65 degrees is opposite to side MN and the hypotenuse of the triangle is given as 4 units. Using the sine ratio, we can find the length of MN as 4•sin(65). Similarly, using the cosine ratio, we can find the length of MN as 1.9•cos(65).
Therefore, expressions A and B both represent the length of side MN, and they have been obtained by using different trigonometric ratios.
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In the formula
A(t) = Pert for continuously compound interest, the letters P, r, and t stand for ---Select--- percent interest prime rate amount after t years principal number of years , ---Select--- interest rate per year rate of return investment amount investment per year interest rate per day , and ---Select--- number of months number of days number of time periods number of years number of times interest is compounded per year , respectively, and A(t) stands for ---Select--- amount of principal amount after t days amount of interest earned after t years amount of interest earned in year t amount after t years. So if $200 is invested at an interest rate of 4% compounded continuously, then the amount after 3 years is $. (Round your answer to the nearest cent. )
In the formula [tex]A(t) = Pe^{rt}[/tex] continuously compound interest P, r, and t stands for Principal, rate of interest, and time respectively, and A(t) stands for Amount after t amount of time. If $200 is invested at an interest rate of 4% compounded continuously, then the amount after 3 years is $225.5.
The formula for Compound Interest at a continuous period of time is denoted by [tex]A(t) = Pe^{rt}[/tex]
where the Principal amount is multiplied by the exponential value of the interest rate and time passed.
Hence we are given here
P = $200, r = 4% = 0.04, and the amount to be calculated for t = 3 years
Hence we will find the amount by replacing these values to get
A(3) = 200 × e⁰°⁰⁴ ˣ ³
= $200 × e⁰°¹²
= $225.499
rounding it off to the nearest cent gives us
$225.5
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Correct Question
In the formula [tex]A(t) = Pe^{rt}[/tex] continuously compound interest P, r, and t stands for ______ , _______ , and __________ respectively, and A(t) stands for _______ .
So if $200 is invested at an interest rate of 4% compounded continuously, then the amount after 3 years is $__________. (Round your answer to the nearest cent.)
expand and simplify(2w-3)3
Answer:
6w-9
Step-by-step explanation:
2w×3=6w
-3×3=-9
=6w-9
Water began leaking from a holes in a bucket at a constant rate. Here is a Table of how many ounces were in the bucket at
different times. 10 am:
304 ounces
Noon :
228 ounces
3 pm :
114 ounces
there are more then one question to answer
What is the amount of water that leaks from the bucket each hour?
How many ounces of water were in the bucket at 8 am. ?\
At what time will the bucket be empty. ?
Write the equation of this function in slope intercept form. Use x for the amount of time in hours since the leak began and y for the amount of water in the buck
The amount of water that leaks from the bucket each hour is 38 ounces/hour.
The amount of water in the bucket at 8 am would have been 380 ounces. The bucket will be empty after 8 hours, or at 6 pm.
To find the amount of water that leaks from the bucket each hour, we can use the information that the leak is at a constant rate. We can find the total amount of water that leaked out of the bucket from 10 am to 3 pm, which is 304 - 114 = 190 ounces.
This is over a time period of 5 hours (from 10 am to 3 pm), so the amount of water that leaks from the bucket each hour is:
190 ounces ÷ 5 hours = 38 ounces/hour
To find how many ounces of water were in the bucket at 8 am, we need to estimate the amount of water that leaked out from 8 am to 10 am. We know that the bucket loses 38 ounces of water every hour, so from 8 am to 10 am (2 hours), the amount of water that leaked out would be:
38 ounces/hour x 2 hours = 76 ounces
Therefore, the amount of water in the bucket at 8 am would have been:
304 ounces + 76 ounces = 380 ounces
To find at what time the bucket will be empty, we can assume that the leak rate remains constant at 38 ounces/hour. We know that the bucket starts with 304 ounces, so we can set up the equation:
y = 304 - 38x
where y is the amount of water in the bucket and x is the time in hours since the leak began. When the bucket is empty, y will be zero, so we can solve for x:
0 = 304 - 38x
38x = 304
x = 8
Therefore, the bucket will be empty after 8 hours, or at 6 pm.
The equation for the amount of water in the bucket as a function of time can be written in slope-intercept form as:
y = -38x + 304
where the slope (m) is -38 (the rate at which water is leaking out of the bucket) and the y-intercept (b) is 304 (the initial amount of water in the bucket).
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