The volume that is inside the larger cylinder shown but outside the cylinder with the smaller radius, r, can be found with the formula below.

V= 1,024π−16πr2

V is the volume inside the larger cylinder but outside the smaller cylinder in cubic centimeters. r is the radius of the smaller cylinder in centimeters.

Which equation and solution give the radius of the smaller cylinder if the volume inside the larger cylinder but outside the smaller cylinder is 768π centimeters3?

Solve by any method (graphing, substitution or linear combination)y = x - 82x + 3y = 1a) (2, -6)b) (5, -3)c) (4, -4)d) (0, -8)i figured it out. the answer is (5, -3)

1) prove that 731^3−631^3 is divisible by 100 2) prove that 99^3−74^3 is divisible by 25

Unaware that 35% of the 10000 voters in his constituency support him, a politician decides to estimate his political strength. a sample of 200 voters shows that 40% support him. a. what is the population? b. what is the parameter of interest? state its value c. what is the statistics of the interest? state its value d. compare your answers in (b) and (c) is it surprising they are different? if the politician were to sample another 200 voters, which of the two numbers would most likely change? explain