Answer:
Step-by-step explanation:
MR=2x-1. First equation
RP=9x+3 second equation
MP=MR+RP third equation
MP= 2x-1+9x+3 first equation plus second equation
MP=11x+2
MP=57
57=11x+2 replaced MP value
57-2=11x
55=11x
55/11=x
X=5
Answer: Do it yourself!
Step-by-step explanation:
Answer:
The length of the sides is <u>7 In</u>.
Step-by-step explanation:
Given:
A cube has a surface area of 294 sq. In.
Now, to find the sides.
Let the side be
Putting the formula of area to get the length of side:
<em>Dividing both sides by 6 we get:</em>
<em>Using square root on both sides we get:</em>
Side = 7 In.
Therefore, the length of the sides is <u>7 In</u>.
Answer:
Step-by-step explanation:
16, -11
Answer:
the first one
8x+5
Step-by-step explanation:
10x-2-2x+7= 8x+5