What is the lateral Surface Area rounded to the nearest hundredth?
2 answers:
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Answer:
6x = 42
Step-by-step explanation:
The formula to find the area of a rectangle is . Since we have a value for the width, we simply need to find what to multiply to 6 to get 42.
Let x = length
6x = 42
We then divide both sides by 6 to find the value of x.
So we know the length is 7.
To check the answer we substitute x with 7.
Answer:
c =
Step-by-step explanation:
To make a perfect square
add ( half the coefficient of the x- term )² to x² + 5x
x² + 5x + ( )²
= x² + 5x +
= (x + )² ← a perfect square