Answer:
[r - 7][r + 7]
Step-by-step explanation:
Whenever you have a negative perfect square in the trinomial, like this one, that will tell you that you have to multiply conjugates, which are two monomials with <em>additive</em> <em>inverses</em><em> </em>inside. Additive inverses ALWAYS result in zero, which is your <em>B</em><em>.</em>
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Answer:
angle 3
Step-by-step explanation:
because a supplementary angle is an angle that equals 180 or just a straight line.
Answer:
A = 1/2 b * h
b = 2A / h
b = 12
Step-by-step explanation:
Remark
The formula starts out as
A = 1/2 * b * h
You want to rearrange it to show b by itself.
Formula
Multiply by 2
2A = b * h
Divide by h
2A/h = b
Part C
b = 2A / h
A = 36 mm^2
h = 6 mm
b = 2*36 / 6
b = 72 / 6
b = 12 mm
Answer:
12.30 x 6 = 73.8
Step-by-step explanation:
the answers are 5.)b 6.)c.