36.9
it might be wrong but at least i tried
Eliminate y's
multiply second equaiton by 4
4x+4y=-4
add to first equation
3x-4y=-24
<u>4x+4y=-4 +</u>
7x+0y=-28
7x=-28
divide both sides by 7
x=-4
sub back
x+y=-1
-4+y=-1
add 4 to both sides
y=3
(x,y)
(-4,3)
D is answer
Answer:
8x - 4y + 12
Step-by-step explanation:
-2(-4x + 2y - 6)
(-2)(-4x) + (-2)(2y) + (-2)(-6)
(2 * 4x) - (2 * 2y) + (2 * 6)
8x - 4y + 12
The answer is 1/140
Work Shown
0.3 / 42
Convert and Rewrite
3/10 x 1/42
Reduce The Numbers With the greatest Common divisor 3
1/10 x 1/14
Multiply the fractions
1/140 or
AlTernative Form 0.007114285 , -1 over 140
I Hope This Help
-Dante
Answer:
4/45
Step-by-step explanation:
Multiply the top by the top, and the bottom by the bottom:
4/45 cannot be reduced down anymore, therefore that is your answer.
<em>Hope this helps!!</em>
<em>- Kay :)</em>
