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Veseljchak [2.6K]
3 years ago
11

ANSWER PLZ QUICK AND FAST

Mathematics
2 answers:
Novay_Z [31]3 years ago
4 0
-5 + ( -3 )² + 2
= -5 + 9 + 2
= 6

C is the answer
steposvetlana [31]3 years ago
3 0

This is where we use PEMDAS

There is no equation in parenthesis

(-3)^2 has an exponent so we know that part is 9

After that its simple addition

-5 + 9 + 2

-5 + 9 = 4

4 + 2 = 6

So you answer is D. 6

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The figure has 5 sides, so it must be a pentagon. Pentagon’s interior angles sum up to 540°.

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Bottom right. It's correct

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A craftsman is making a dulcimer with the same dimensions as the one shown. The surface shown requires a special, more durable t
Bogdan [553]

Answer:

\displaystyle A=\frac{3h^2}{2}+h

Step-by-step explanation:

<u>Area of trapezoid</u>

Given a trapezoid shape whose parallel sides measure b1 and b2 and whose height (perpendicular to the base) is h, then the area of the trapezoid is given by

\displaystyle A=\frac{b_1+b_2}{2}\cdot h

The dulcimer has the following dimensions

b_1=2h+1

b_2=h+1

and height h

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\displaystyle A=\frac{2h+1+h+1}{2}\cdot h=\frac{3h+2}{2}\cdot h

Operating

\displaystyle A=\frac{3h^2+2h}{2}=\frac{3h^2}{2}+h

\boxed{A=\frac{3h^2}{2}+h}

Is the required polynomial

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