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PLEASE HELP AND SHOW WORK OR DO ON CALC AND SHOW HOW TO DO
IT.
A political candidate has asked you to conduct a poll to determine what percentage of people support her. If the candidate only wants a 5% margin of error at a 95% confidence level, what size of sample is needed? Give your answer in whole people. 384
Garland Mills purchased a certain piece of machinery 4 years ago for $500,000. Its present resale value is $400,000. Assuming that the machine's resale value decreasesexponentially, what will it be 5 years from now? (Round your answer to the nearest dollar.)
1-Suppose the total cost function for manufacturing a certain product is c(x)=.2(0.01x^2+120) dollars where x represent the number of units produced. Find the level ofproduction that will minimize the average cost. Show your calculus. Round to the nearest integer. You can use either the first derivative test or the second derivativetest to show this is a minimum.2- The daily total cost (in dollars) incurred by Trappee and Sons for producing x cases of Texa Pep hot sauce is given by...
Find the volumes of the solids generated by revolving the triangle with vertices (2,2), (2,7), and (5,7) about a. the x-axis, b. the y-axis, c. the line x = 7, and d. the line y = 2.
Write the equation in slope intercept form of a line that passes through (3,5) and is perpendicular to the line x +3y=6
Need help with all these Calc questions!
Q1. Find the slope at x = 0 on f(x) = 3x2 - 5x + 2e* Q2. Find the critical number(s) of f(x) = 4xe*. Q3. Compute the following derivatives: (a) (ex®-7x) (b) ( 3ex?) 1) (a) Find the equation that satisfies the following IVP: y = 15y y(0) = 20 (b) Find the IVP based on the following equation: y = 50e-35* 2) The population of a certain city (in millions) x...
Please help drawing diagram for this problem.
23.46 CALC In a certain region of space the electric potential is given by V= +Ax2y-Bry2, where A-5.00 V/m3 and 8.00 V/m3. Calculate the magnitude and direction of the electric field at the point in the region that has coordinates x = 2.00 m, y = 0.400 m, and z = 0.