Find the length of the curve.y = (4 - x2/3) 3/2 from x = 1 to x = 8
A. 6
B. 12
C. 18
D. 9
Answer: D
Mathematics
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Find an equation for the sphere with the given center and radius.Center (-4, 9, 0), radius = 10
A. x2 + y2 + z2 - 8x + 18y = 3 B. x2 + y2 + z2 + 8x - 18y = 3 C. x2 + y2 + z2 - 8x - 18y = 3 D. x2 + y2 + z2 + 8x + 18y = 3
Mathematics
Write the sentence as an equation. Let the variable x represent the number.Three times a number is equal to 20 decreased by the number.
A. 3x = 20 - x B. 3 + x = 20 - x C. 3x = 20 + x D. 3x = x - 20
Mathematics
Translate the mathematical sentence to an English sentence.9y = 45
A. Some number times forty-five is nine. B. Nine times some number is 45. C. The product of nine and some number is forty-five. D. Some number is the product of nine and forty-five.
Mathematics
Perform the indicated operation.
A. 
B. - 
C. - 
D. 
Mathematics