Translate the equation into a sentence by using the phrase "varies directly" or "varies inversely". x = k

A. x varies inversely as the square root of h.
B. h varies directly as the square root of x.
C. x varies directly as the square of h.
D. x varies directly as the square root of h.


Answer: D

Mathematics

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Find an equation for the line tangent to the curve at the point defined by the given value of t.x = sin t, y = 6 sin t, t = 

A. y = 6x + 
B. y = -6x + 6
C. y = 6x - 6
D. y = 6x

Mathematics

Solve.In a certain coastal basin, the sea water contains 3.3 grams of salt per 1000 milliliters of water. How many grams of salt would be in 3 liters of the sea water? Round to the nearest tenth if needed.

A. 9.9 g B. 0.099 g C. 990 g D. 99 g

Mathematics

Solve the problem.The floor of a rectangular room is to be tiled with  foot square tiles along a 9 foot wall. How many tiles will be needed along the wall?

A. 29 tiles
B. 3 tiles
C. 34 tiles
D. 27 tiles

Mathematics

Clear fractions then solve by substitution. -  = -18 +  = -9

A. ?
B. {(-12, 0)}
C. {(12, 0)}
D.

Mathematics