Answer:
<h2>A = 3x²</h2>
Step-by-step explanation:
The formula fo an area of a triangle:

b - base
h - height
We have
x - base
6x - height
Substitute:

Answer:
C I think
Step-by-step explanation:
Simple,
so you have...
-5m=-35
You are trying to find m, so, to
isolate the variable divide both sides by -5:

m=7
Now, to check your work, plug in m.
-5(7)=-35
-35=-35
Thus, you know your answer is correct.
7/8 = 0.875.....multiply by 100 to get ur percent = 87.5%
Answer:
x = 15.65
y = 3.5
Step-by-step explanation:
Step 1
Find the equation for x and y
Equation for x is given as
x² = 7( 7+28) ..........Equation 1
14(14 + y) = x²........ Equation 2
Solving for Equation 1
x² = 7( 7+28)
x² = 7(35)
x² = 245
x = √245
x = 15.65
From Equation 1 , x² has been determined to be 245
Therefore we substitute 245 for y in Equation 2
14(14 + y) = x²........ Equation 2
14(14 + y) = 245
196 + 14y = 245
14y = 245 - 196
14y = 49
y = 49 ÷ 14
y = 3.5