Solve the problem.Suppose that a circular coin has a circumference of C, a radius of r, and a diameter of d. Write C as a function of d. 

A. = 2?d
B. = ?d
C. = ?d2
D. = 


Answer: B

Mathematics

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Use logarithmic differentiation to find the derivative of y.y = 

A.
B.
C.  + cot x - 
D.

Mathematics

Find the volume of the solid, rounded to the nearest integer where appropriate.Frustum of a pyramid

A. 30,855 cm3 B. 45,375 cm3 C. 52,635 cm3 D. 3630 cm3

Mathematics

Test the equation for symmetry with respect to the specified axis, line, or pole.r = 4 + 2 sin ?; the y-axis 

A. May or may not be symmetric about the y-axis B. Symmetric about the y-axis

Mathematics

Choose the most reasonable metric length unit. Choose from km, m, cm, and mm.The length of the hammer is 34   .

A. mm B. km C. cm D. m

Mathematics