dbjones74 dbjones74

24-09-2019
Mathematics

contestada

what is 69= 5(7-5r) + 4(r-2) show work

Respuesta :

carlyjrunning carlyjrunning

24-09-2019

Answer:

r=-2

Step-by-step explanation:

69=35-25r+4r-8 simplify

69=27-21r subtract 27 from both sides

42=-21r divide both sides by -21

r=-2

Answer Link

Otras preguntas

in an h-r diagram most stars are found in a diagonal band from the upper left to lower right which is called?

Why was a government with three branches considered to be a compromise

John has been too busy to exercise for three weeks. Now he finds that he can not lift as much as he did three weeks ago. What exercise principle can explain thi

An employee was randomly chosen from a company. If the expected value of the age of the employee is _____ years old, the mean age of all the employees in the co

What is the combined meaning of the prefix androot in the word abduct

A swimming pool 35 ft. long and 20 ft. wide is filled to an average depth of 5 ft. How many gallons of water does the pool contain if a cubic foot holds 7 gallo

what is -28.33333 rounded to the nearest hundredth

At The souvenir shop each stuffed elephant was on sale for five dollars off matrix bought three of them for $45 how much did each stuffed elephant cost

Why are earths tectonic plates continually moving?

Suppose you invest $500 in a savings account that pays 3.5% annual interest. When will the account contain at least $650?