rebecahserie
rebecahserie rebecahserie
  • 04-05-2017
  • Mathematics
contestada

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

Respuesta :

Noah11012
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

The organizational mechanism that reflects how units within an organization link to and communicate with other units is called.
△ABC and △DEF are similar triangles.
a ship leaves a dock moving at 24 mi/h. Three hours later, a second ship sets out from the same dock ta 32 mi/h. How long will it take for the second ship to ov
what animal has.. No fur cant swim has feathers no gills has legs No hooves
4 times 5 less than the sum of 13 and 7 is divided by the difference of 11 and six
someone help me asap pls it’s due tomorrow
how many grams is 10 moles of H2O?​
5. One kilogram is 2.2 pounds. Complete the tables. What is the interpretation of the constant of proportionality in each case?​
A spring with a spring constant of 4 N/m is stretched by Sarah's dog until extended by 2 m. How much elastic potential energy is stored by the spring?
Pls help pls help pls I need the answer