What’s the answer to this question? Me and one of my classmates are having trouble on it! ( middle school btw I put high school
as my school level before )
2 answers:
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Answer:
Step-by-step explanation:
Given
Required
(a) Make a perfect square trinomial
(b) Write as binomial square
Solving (a)
Let the missing part of the expression be k;
This gives
To solve for k, we need to square half the coefficient of n;
i.e. Since the coefficient of n is , then
Hence;
=
Solving (b)
Expand
Factorize
Hence:
=
Answer:
<h2>The area of the triangular base = 8 ft²</h2>Step-by-step explanation:
The formula of a volume of a prism:
We have
Substitute:
<em>divide both sides by 9</em>