Find an equation of variation in which y varies inversely as x and the following is true.y = 0.625, when x = 24

A. = 
B. = 
C. = 15x
D. = 


Answer: D

Mathematics

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Find an exponential model for the following data set. Round your answer to two decimal places.  t 0 2 4 6 y 19.08 15.45 12.51 10.13?

A.
B. ?
C. ?
D. ?

Mathematics

Suppose that y is inversely proportional to x. Use the given information to find the constant of proportionality k. Then use y =  to find y for the given value of x.y = 28.2 when x = 6;Find y given x = 36.

A. k = 148.2; y = 4.7 B. k = 169.2; y = 4.7 C. k = 4.7; y = 169.2 D. k = 187.2; y = 5.2

Mathematics

Solve the formula for the specified letter.A = P(1 + nr) for r

A. r = 
B. r = 
C. r = 
D. r = 

Mathematics

Suppose ? is an angle in standard position. Given either a point on the terminal side of ? or an equation of the terminal side of ?, give the exact value of the indicated trigonometric function(s). (15, 20); find sin ?.

A.
B.
C.
D.

Mathematics