Perform the indicated operation. Assume that all variables represent nonnegative real numbers. + x

A. 5
B. 4x
C. x( + )
D. 5x


Answer: D

Mathematics

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Use Newton's method to approximate all the intersection points of the pair of curves. Some preliminary graphing or analysis may help in choosing good initial approximations. Round to six decimal places.y = cos x and y = 5x

A. x ? 0.085064 B. x ? 0.196164 C. x ? 0.197264 D. x ? 0.696164

Mathematics

The body surface area S, in square meters, depends on the height h, in centimeters, and the weight w, in kilograms. The relationship is 

? . ? A:  What is the body surface area of a man who is 185 centimeters tall and weighs 86 kilograms?B:  If a man's height increases by a factor of 1.05, but his weight remains the same, how is his body surface area affected?C:  If a man's height does not change, but he loses 4% of his weight, how is his body surface area affected?  Express your answer in terms of a percent. ? Round your answers to two decimal places if necessary. ? What will be an ideal response?

Mathematics

Factor the trinomial completely.-3x3y3 - 15x2y4 + 72xy5

A. -3xy3(x - 3y)(x + 8y) B. -3xy3(x + 3y)(x - 8y) C. -3xy(x - 3y2)(x - 8y2) D. Prime

Mathematics

Factor.t3 + 125

A. (t - 125)(t + 1)(t - 1) B. (t + 5)(t2 - 5t + 25) C. (t - 5)(t2 + 5t + 25) D. (t + 5)(t2 + 25)

Mathematics