Solve for the specified variable. Assume that all other variables are nonzero.L = 2?rh + 2?r2; for r

A. r = 
B. r = 
C. r = 
D. r = 

Answer: C

Mathematics

You might also like to view...

Plot the given point in a Cartesian coordinate plane and state the quadrant, if any, in which the point is located.(6, -1) 

A. Quadrant I

B. Quadrant IV

C. Quadrant II

D. Quadrant III

View
Mathematics

Perform the indicated operations and write the answer in the form  where a and b are real numbers.(3 + 4i)(8 + 4i)

A. 8 + 44i B. 40 + 20i C. 8 - 44i D. 16i2 + 44i + 24

View
Mathematics

Evaluate the expression. Round your result to two decimal places. ? ?

A. 2.71 B. -0.29 C. 1.71 D. 0.71 E. -1.29

View
Mathematics

Solve the problem.For the total-cost functionC(x) = 0.01x2 + 2.2x + 80,find ?C and C'(x) when x = 100 and ?x = 1.

A. ?C = $4.21; C'(100) = $4.20 B. ?C = $4.20; C'(100) = $4.20 C. ?C = $4.21; C'(100) = $2.22 D. ?C = $4.21; C'(100) = $3.20

View
Mathematics