supergirl20
supergirl20 supergirl20
  • 03-03-2017
  • Mathematics
contestada

someone tell how to get the answer plz

someone tell how to get the answer plz class=

Respuesta :

LivingDeadGirl9201
LivingDeadGirl9201 LivingDeadGirl9201
  • 03-03-2017
use elimination
4x+8y=20
(+)-4x+2y=-30
added together the x's are eliminated
10y=10
y=1

hope this helps!
Answer Link

Otras preguntas

least number that has 2, 3, 4, as factors
Can someone please help me ?
Suppose you ride your bicycle to the library traveling at 0.5 km/min. It takes you 25 minutes to get to 1.3 the library. How far did you travel?
Which period was the “golden age of dinosaurs”? a. the Triassic Period b. the Jurassic Period c. the Cretaceous Period d. the Tyrannosaurus Period
What were some events/things that caused the Great Depression?
How many miles can you get on one tank of gas if your tank holds 18 gallons and you get 22 miles per gallon?
What is the slope of any line parallel to the line 8x + 9y = 3 in the standard (x,y) coordinate plane?
A circular pool is ten feet in diameter and five feet deep. What is its volume, in cubic feet?
The significance of the Open Door Policy for the United States lay in its (A) providing a use for the Philippines as a way station between China and the United
Differences between DNA and RNA include which of the following? (1) RNA consists of one nucleotide chain. (2) RNA contains the nitrogen base uracil instead of t