kingjunim kingjunim

15-03-2017
Mathematics

contestada

if 3y+5=7x, then 21y-49x=?

Respuesta :

25-03-2017

3y+5=7x

3y=7x-5

y=(7x-5)/3

...

21y-49x becomes

7(7x-5)-49x

49x-35-49x

-35

Answer Link

Otras preguntas

The parents of a young American couple expect them to have a traditional wedding, but the bride wants a rainbow dress and the groom wants a close female friend

What is the most commonly cited single cause of occupational injuries in the healthcare sector today ?

TravelCheap Inc. is a car rental business that charges customers based on how many miles they put on a car on a daily basis. As result, a person who uses a car

Which function has a horizontal asymptotes of y=3?

Which of the following best describes what labor directly contributes to production? O A. Humans take resources from the Earth to supply production. O B. Human

Determining whether a company's prices and costs are competitive requires looking at the costs of a company's internally performed activities and the costs of i

suppose you are at a track where 7 joggers are doing laps. their speeds are 5, 5, 4, 3, 7, 8, and 9 mph. calculate their average speed, then calculate their RMS

Give at least one best example of a primary reinforcer

1250 randomly chosen individuals from a certain population are tested for the presence of the HIV virus, and 20 are found to be carriers of the virus. Based on

What are the main factors that affect an ocean current? (Select all that apply to receive the point) Question 4 options: wind caused by unequal heating of the e