vizhnay9615 vizhnay9615

01-12-2020
Mathematics

contestada

Solve the system by elimination. . 4x-9y=-21 , -4x-3y=9

Respuesta :

Emersoncushing Emersoncushing

01-12-2020

(-3, 1)
4x-9y=-21
+-4x-3y=9
-12y= -12
y=1

4x- 9(1)= -21
4x-9=-21
+9 +9
4x= -12
x=-3

Answer Link

Otras preguntas

Can someone help me in probability?Amanda wrote a computer program that generates two random numbers between one and eleven.When she runs it,what is the probabi

What is 60 divided by 100 and why? ( I got 0.6 but I'm not sure ) plz hurry

Write an equation for a non-vertical line that contains the point ( 2,-4 )

Orchids are a type of flowering plant. How would biologists explain how a living orchid species lacking leaves evolved from an ancestral orchid species that had

the perimeter of a square is 4 times as great as the length of any of its sides. Determine whether the perimeter of the square is proportional to the side lengt

There is a turtle race. The race will last 2 minutes. I have to find the distance from the start each turtle will be at the end of the race. Speed (in inches pe

How did New England's physical geography help the growth of industries?

If the angles of a triangle are in ratio 2:3:7 find the measure of all the angles of the triangle

At a store , 24 bottles of water and 6 bags of chips costs $23.40. Five bottles of water and two bags of chips cost $6.60. What is the cost of a single bottle o

What is 9x^2-24x+ 16