rebecahserie rebecahserie

04-05-2017
Mathematics

contestada

what is the value of r in: 1/7(105+r)=20

Respuesta :

Noah11012 Noah11012

04-05-2017

Use the distributive property.

1/7(105 + r) = 20
15 + (1/7)r = 20

Then subtract each side of the equation by 15.

15 + (1/7)r = 20
(1/7)r = 5

Divide both sides by 1/7.

(1/7)r = 5

r = 35

So, the answer to this question is r is equal to 35.

Answer Link

Otras preguntas

Which African ethnic groups are Islamic?

Madison is making party favors.She wants to make enough favors so each guest gets the same number of party favors.She knows there will be 6 or 8 at the party. W

_________was defeated by Richard Nixon in the 1972 presidential election

The theory of divergent evolution adaptive radiation coevolution convergent evolution suggests that all the mammals alive today came from the same common ancest

50% of all the cakes Lucy bakes that week were party cakes: one fifth were fruit cakes and the remainder were sponge cakes. What percentage of cakes were sponge

Imagine you could have any superpower you can think of.What do you choose and how would you use it ? (examples : teleportation,telpathie,flight...)

How does the abuse of anabolic steroids affect teens?

what is the value of 7 in 1.207

What is an important part of taking meeting minutes? a. actively participating in decision-making b. being fair to everyone in attendance c. paying close and

Celeste wants to have her hair cut and permed and also go to lunch. She knows she will need $95. The perm costs twice as much as her haircut and she needs $5 fo