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

What are the advantages of a sole proprietorship?

Which statement describes an alternate theory of acids and bases? (1) Acids and bases are both H+ acceptors. (2) Acids and bases are both H+ donors. (3) Acids a

The volume of a prism is 230 mm3. Which statements are true about the same prism measured in cubic centimeters? Choose all answers that are correct. A. The n

Which formula represents a nonpolar molecule? (1) H2S (3) CH4 (2) HCl (4) NH3

deer meat is known by what name

Did Admiral Yamamoto make a wise decision in bombing Pearl Harbor? Explain.

Two spherical balloons are filled with water. The first balloon has a radius of 3 cm, and the second has a radius of 6 cm. How much more water is in the larger

In a class of 78 students 41 are taking French, 22 are taking German. Of the students taking French or German, 9 are taking both courses. How many students are

A cellphone company offers four choices for purchasing talk time. Which of the following has the lowest cost per minute? F 200 minutes for $24.50 G 550 minute

adding heat to liquid water is likely to cause