Translate the description to a variable expression.The circumference of a circle can be found by multiplying twice the radius by ?. Write an expression for finding the circumference.
A. 2?r
B. 2r
C. ?r
D. ?(r + 2)
Answer: A
Mathematics
You might also like to view...
Apply the distributive law.8(9x - 2)
A. 17x - 10 B. 88x C. 72x - 16 D. 72x - 2
Mathematics
Use logarithmic differentiation to find the derivative of y with respect to the independent variable.y = (sin x)cos x
A. (sin x)cos x(cos x cot x - sin x ln (sin x)) B. cos x ln ( sin x) C. cos x cot x - sin x ln(sin x) D. cos x cot x - ln (sin x)
Mathematics
Find the limit.
sin-1 x
A. 
B. 1
C. - 
D. -1
Mathematics
Solve the equation.5(4 - d) = 6d + 10 - d
A. 1 B. 0 C. 4 D. 2
Mathematics