6,938 Answered Questions for the topic mathematics
A normal distribution has a mean of 100 and a standard deviation of 5. Find the probability that a value selected at random is in the following interval. at most 110
A normal distribution has a mean of 100 and a standard deviation of 5. Find the probability that a value selected at random is in the following interval.at most 110
04/24/22
Show your answers by following the 5 steps of testing hypothesis.
Research suggests that most people need at least 7 hours of sleep each night in order to function well the next day. Some research suggests that lack of sleep can adversely affect health, memory,...
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yz = ln(x+z), find partial derivatives
Find partial derivatives of (del z)/(del x) and (del z)/(del y)eq. yz = ln(x+z)
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Mathematics
04/23/22
Dimensions of the rectangular room
The room has an area of 154 m2 and a perimeter of 50 m, what is the dimensions of the room?
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Lagrange multipliers to find the points
Use the method of Lagrange multipliers to find the points on the circle x2 + y2 = 52 that are closest to and farthest from the point (−3, 2).
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Find the mass of the lamina
Consider a lamina that is in the first quadrant, inside the circle whose equation is x2 + y2 = 4, and outside the circle whose equation is (x − 1)2 + y2 = 1. Using polar...
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Local Linear Approx
Let f (x, y) = ln(2x3 − y2) − 4xcos(y − 1) + ya. Find the local linear approximation of f at (1, 1), and use this approximation to estimate the value of f (1.004, 0.995).2. Find the...
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Determine if f (x, y) is continuous at (0, 0)
Determine if f (x, y) =={ (xsin3y)/(x2+y6), (x, y) ≠ (0, 0)={ 1, (x, y) = (0, 0)is continuous at (0, 0)
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04/22/22
Show your answer by following the 5 steps in testing hypothesis.
Research suggests that most people need at least 7 hours of sleep each night in order to function well the next day. Some research suggests that lack of sleep can adversely affect health, memory,...
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If f(x)=3x^2-7x+2, find f'(3).
If f(x)=3x2-7x+2, find f'(3). _____________Use this to find the linear approximation to f(x) at x = 3.The equation of this linear approximation isL(x)= _____________Use L(x) to approximate f(3.3)....
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Let y=5x^2+3x+4.
Let y=5x2+3x+4.Find the differential dy when x = 5 and dx = 0.3 _____________Find the differential dy when x = 5 and dx = 0.6 _____________
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Derivative integral Please Help
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Integral Question
Consider the integral:21∫ x^3 dx3-Use Left Sum, Right Sum, Midvalue Sum, and Trapezoid Rule methods to approximate this integral with n = 3-Find the exact value of this integral
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Find the Z-score such that the area under the standard normal curve to the right is 0.26.
Find the Z-score such that the area under the standard normal curve to the right is 0.26.
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Find the z-score such that the area under the standard normal curve to the left is 0.34
Find the z-score such that the area under the standard normal curve to the left is 0.34
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The graph of a normal curve is given. Use the graph to identify the value of μ and σ.
The graph of a normal curve is given. Use the graph to identify the value of μ and σ.
The graph of a normal curve is given on the right. Use the graph to identify the values of μ and σ.
The graph of a normal curve is given on the right. Use the graph to identify the values of μ and σ.
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Fill in the blank to complete the statement. The area under the normal curve to the right of μ equals _______.
Fill in the blank to complete the statement.The area under the normal curve to the right of μ equals _______.A. σB. 1/2C. 0D. 1/σ√2π
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A normal distribution has a mean of and a standard deviation of . Find the probability that a value selected at random is in the following interval.
A normal distribution has a mean of 101 and a standard deviation of 5. Find the probability that a value selected at random is in the following interval.at least 96
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Mathematics
04/22/22
What is the area of a square of sides 4 cm
Sand pours out of bag at a rate of r(t) = 100 − 3t mL/min until the bag runs out of sand at t = 20 min. How much sand was originally in the bag?
Im not sure how I would solve this problem, any help would be appreciated!
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A set of data has a normal distribution with a mean of and a standard deviation of . Find the percent of data within the following interval.
A set of data has a normal distribution with a mean of 47 and a standard deviation of 8. Find the percent of data within the following intervals less than 47
A set of data has a normal distribution with a mean of and a standard deviation of . Find the percent of data within the following interval.
A set of data has a normal distribution with a mean of 48 and a standard deviation of 7. Find the percent of data within the following interval.from 27 to 69
A normal distribution has a mean of and a standard deviation of . What percent of values are from to ?
A normal distribution has a mean of 4 and a standard deviation of 1. What percent of values are from 4 to 7?
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