BarD9reqMarEld BarD9reqMarEld

11-07-2016
Mathematics

contestada

find the value of r so that the line that passes through (r,-5) and (3, 13) has a slope of 8. a. (-18/5) b. (3/4) c. 6 d. -141

Respuesta :

olemakpadu olemakpadu

13-07-2016

Slope = Change in y/ Change in x.

8 = (13 - -5) / (3 - r)

8 = 18/(3 -r)

3 - r = 18/8

3 - r = 9/4

3 - 9/4 = r

3 - 2 and 1/4 = r

3/4 = r

r = 3/4 B.

Answer Link

Otras preguntas

What is 21/78 as a mixed number

if x-1 over x = 20 then x=

Paul owes Paula 35 cents and has a pocket full of 5-cent coins, 10-cent coins, and 25-cent coins that he can use to pay her. What is the difference between the

how large is china compared with other countries Asia

President Richard M. Nixon was forced to resign because of A. his Middle East policy. B. the Vietnam War. C. Watergate. D. his policy toward China.

In addition to being necessary for respiration, _______ also provides UV radiation protection. A. carbon dioxide B. water C. oxygen D. hydrogen

when a person uses an iron to remove the wrinkles from a shirt, why does heat travel from the iron to the shirt?

Carbon dioxide is one of the main gases in the mixture of gases coming out of the kiln. Give two reasons why.

Winds in the Northern Hemisphere are deflected to the right, and winds in the Southern Hemisphere are deflected to the left. What causes this pattern? a. the ea

4.77g of an oxide of copper contains 3.81g of copper.Calculate the empirical formula for the compound