Answer:
The picture is black
Step-by-step explanation:
The answer would be D.
you would start by choosing one of the variables to eliminate, i chose to eliminate X first. in order to eliminate X, i had to multiply the second equation by -2. X then cancelled out, and i solved for the Y the same way you would a 1 step equation. Y=-4
I then took the first original equations, plugged Y in, and solved for X. X=3.
Hope this helps!
Answer:
use formula
(x,y) =[ (x1+x2)/2 ,(y1+y2/2)]
=[(-2-8)/2, (3-9)/2]
=(-10/2 ,-6/2)
=(-5,-3)
It is not always rational since zero is a rational number. If we have a rational number on the numerator and a 0 on the denominator then the quotient is not rational therefore the quotient of any two rational numbers is not always rational.
Answer:
y = 18
Step-by-step explanation:
Since the triangles are similar, the corresponding sides are in proportion, that is
= , substitute values
= ( cross- multiply )
14y = 252 ( divide both sides by 14 )
y = 18