Given the values of x and y, find an equation of variation in which y varies directly as x.y = 20, when x = 16

A. y = 1.25y
B. y = 0.8x
C. y = 20x
D. y = 1.25x


Answer: D

Mathematics

You might also like to view...

Provide an appropriate response.The Cauchy density function, f(x) = , occurs in probability theory. Show that 

What will be an ideal response?

Mathematics

Determine a quadratic function that results when applying the given shifts to the graph of Shift 4 units to the right.

A. f(x) = (x + 4)2  B. f(x) = (x - 4)2  C. f(x) = x2 + 4 D. f(x) = x2 - 4

Mathematics

Provide an appropriate response.Roberto is an employee of a store and receives 20% discount off all items in the store. During a sale, the price of a jacket is reduced by $15. Roberto will receive both his 20% discount and the $15 off. Which is better for Roberto, to take the 20% discount first and then subtract $15 or to subtract $15 first and then take his 20% discount? Explain you answer.

What will be an ideal response?

Mathematics

Use the properties of real numbers to simplify the expression. (-0.18) 

A. -1
B. -0.18
C. 1
D.

Mathematics