05/20/20

Using the function f(x) = X^2 + 10 and the point (2,14) answer the following:

(a) Find the slope of the graph of f at the given point. (b) Find an equation of the tangent line to the graph at the point.It would help a lot if you could show your work. Thanks!

Use Cramer's Rule to solve (if possible) the system of equations.

-2x +3y -5z = -114x -y +z = -3-x -4y +6z =15It would help a lot if you could show your work. Thanks!

05/20/20

What is the length of the diameter of a circle inscribed in a right triangle with the length of hypotenuse c and the sum of the legs' lengths equal to m?

Please find the diameter using variables from the question above.

05/20/20

Confidence Intervals

If n=22, ¯x(x-bar)=46, and s=8, construct a confidence interval at a 98% confidence level. Assume the data came from a normally distributed population.Give your answers to one decimal place.

Hard disks for computers must spin evenly, and one departure from level is called roll. Probability and Statistics

Hard disks for computers must spin evenly, and one departure from level is called roll. The roll for any disk can be modeled as a normal random variable with mean 0.1240 mm. 16 random sample disks... more

A random sample of 36 seventh grade students in Harvard are given an exam on a reading test. Below are their raw scores.

73, 77, 80, 80, 84, 86, 91, 93, 93, 93, 94, 97, 100, 100, 103, 103, 104, 105, 105, 106, 108, 110, 111, 117. 120, 120, 123, 124, 126, 128, 129, 129, 130, 130, 136Sample mean =... more

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