badkeke badkeke

06-03-2017
Mathematics

contestada

who to solve 6n+2f=736 and 10n+2f=920 by doing elimination

Respuesta :

wolf1728 wolf1728

06-03-2017

A) 6n+2f=736
B) 10n+2f=920
Multiply equation A) by -1
A) -6n -2f= -736 Then add to equation B)
B) 10n+2f=920
4n = 184
n = 46

B) 10*46 +2f =920
B) 460 + 2f = 920
B) 2f = 460
B) f = 230

Answer Link

Otras preguntas

Rochelle and Leilani decide to join a fitness and weight-loss program together. Rochelle is approximately 30 pounds overweight and Leilani is almost 40 pounds o

hi i really need help with this please it's for balancing equations for science Will Mark Brainliest!!!

= How did the development of state power result inexternal and internal challenges in the period between1450 and 1750?

PLEASE HELP!!!!!! The American colonist's idea of limited government and the rule of law had been firmly established in the Magna Carta, Petition of Right, and

Mr. Louise, a psychologist, is interested in the effect of physical attractiveness on ratings of punishment assigned to a driver in an automobile accident. Part

B is the midpoint of AC, D is the midpoint of CE, and AE = 21. Find BD. The diagram is not to scale.A. 42B. 21C. 11.5D. 10.5

sadie frowne generally worked

Match the types of competition to their descriptions. competition among organisms of different species competition among organisms from the same species active

(-3,1); m=6 What is the point slope formula for this?

how to prove that the narrator in tell tale heart is sane?