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

On June 9, 1983, the lower part of the Variegated Glacier in Alaska was observed to be moving at a rate of 64 m per day. What is this speed in kilometers per ho
Carrying capacity is _____. the ratio of predators to prey the number of populations in a specific area the number of organisms in a population the number of or
Cartels, monopolies, trusts, as well as horizontal and vertical integration all share the goal of _____. a.raising wages b.driving up costs c.increasing profits
What is the area of the moon?
What type of heterotroph is a fish?
Homo erectus is believed to be the first species found outside _____. Asia Europe Africa America
What was the importance of grain storage
How does a digit in the ten thousands place compare to a digit in the thousands place?
Identify the correct sentence. a. ​"I'll meet you at the​ library," mickey said. b. ​"I'll meet you at the​ library," Mickey said. c. ​"I'll meet you at the​
A large container holds 8 gallons of water. It begins leaking at a constant rate. After 16 minutes, the container has 7 gallons of water left.