ellie6705 ellie6705

03-01-2018
Mathematics

contestada

If y varies directly with x and y=30 when x=-10, find the value of x when y=4

A. -4/3
B. 4/3
C. -3
D. -12

Explain

Respuesta :

habeebmusa24 habeebmusa24

03-01-2018

If y∞x then y=kx where k is constant to find k
k=y/x then substitute the values
k=30/-10=-3 to find x when y is 4
x=y/k=4/-3=-4/3 option A

Answer Link

Otras preguntas

The Virginia town where Robert E. Lee surrendered to Ulysses S. Grant in 1865, ending the Civil War

What special group advises the President of the United States? a. The Cabinet b. The Electoral College c. The Executive Branch

Believing that all football players are academically challenged, that all African Americans are great athletes, and that all women can cook well are examples o

Name the singer/songwriter of “On the 4th of July.”

In what city will you find NASA’s headquarters for all piloted U.S. space projects?

Who was the oldest signatory of the Declaration of Independence?

The point where the two axes intersect (0,0).

Individuals who are approximately the same age and are linked by common interests, including friends, classmates, and the 'kids in the neighborhood,' are most

What event took place to celebrate the signing of the Declaration of Independence? a. the Liberty Bell was rung b. an effigy of King George III was burned c

How many words are in the Pledge of Allegiance? a. 31 b. 22 c. 29