bettina20001
bettina20001
06-06-2017
Mathematics
contestada
18x-16y=-312 78x-16y=408
Respuesta :
apologiabiology
apologiabiology
08-06-2017
elimination
multiply first equation by -1 and add to 2nd
-18x+16y=312
78x-16y=408 +
60x+0y=720
60x=720
divide both sides by 60
x=12
sub back
18x-16y=-312
18(12)-16y=-312
216-16y=-312
-16y=-528
divide both sides by -16
y=33
x=12
y=33
(x,y)
(12,33)
Answer Link
VER TODAS LAS RESPUESTAS ( 61+ )
Otras preguntas
What was Lincoln saying about the government? It could not continue to be divided by slavery. It needed to make slavery legal in every state. It would never sto
How many months and/or years does it take for a betta fish to rot? Brainliest and five stars if you don’t use the internet. Just make an estimate ‘cause idk. Th
The sum of two numbers is 7 and there difference is 5
A cylinder is filled with 10.0L of gas and a piston is put into it. The initial pressure of the gas is measured to be 96.0kPa. The piston is now pulled up, expa
A person's low score on the _____ component of the Big Five personality model is closely associated with the fact that he or she is insecure, anxious, and short
The flow of electrons is called Question 1 options: ionic movement electricity electric stabilization electron transport Question 2 (1 point) The tiny particl
The Boston Massacre was the first instance of extreme violence that took place, and took the colonists one step closer to A) Freedom B) Resolution C) Revolutio
what is the ratio 640 and 800 in lowest terms
what are some of the interactions between Cuba and the United States
Fluffy the cat is 3 years older than Scuffy the dog. Six less than five times Scruffy's age is one more than three times Fluffy's age. How old is each animal?
