pjroldan01 pjroldan01

01-02-2018
Mathematics

contestada

The value of y varies directly with x, and y=1 when x=2.

Find y when x=4

Respuesta :

ggxrcia ggxrcia

01-02-2018

Direct variation: y=kx
k = constant of variation

Solve for k when y=1 and x=2
1 = 2 · k
k = 1/2

y = 1/2 · x

Solve for y when x=4
y = (1/2) · (4)
y = 2

Answer Link

Otras preguntas

Each day , the cafeteria staff at brookview middle school orders 80 pints of white milk and 30 pints of chocolate milk . What is the ratio of white milk to choc

394.6 divided by 9 using compatible numbers to estimate the quotient?

Which of these is a characteristic of a civilization? (4 points) cities use of resources society of equals public transportation

The formula for the area A of a trapezoid is shown below where h represents its height and b1 and b2 represent the lengths of its bases. for this problem let b1

72 ounces in 6 steaks unit rate

Which electron configuration represents a selenium atom in an excited state

what colony formed from Carolinas and immediately south of Virginia?

What was the purpose of the Seneca Falls Declaration of Sentiments? (Points : 2) to ask men to join the crusade for women's rights to state the case for women's

the idea that people within a state can and should determine the laws within that statw is referred to as

Under the leadership of Lucretia Mott and Elizabeth Cady Stanton, the high point of the Seneca Falls convention was the drafting of the Declaration of?