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Temka [501]
2 years ago
5

Which statements are always true? Check all that apply.

Mathematics
2 answers:
Ann [662]2 years ago
8 0

Answer:

A rectangle has four right angles, A triangle has 3 sides, A square has 4 equal sides

Step-by-step explanation:

mamaluj [8]2 years ago
4 0

A rectangle has four right angles, A triangle has 3 sides, A square has 4 equal sides

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Step-by-step explanation:

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2 years ago
(7z^3+42z^2-15z+1)- (36z^2+12z-21)​
My name is Ann [436]

Answer:

7z^3+6z^2-27z+22

Step-by-step explanation:

The given question is of subtraction:

So,

(7z^3+42z^2-15z+1)- (36z^2+12z-21)​

=7z^3+42z^2-15z+1-36z^2-12z+21

Combining alike terms to simplify

=​7z^3+42z^2-36z^2-15z-12z+1+21

=7z^3+6z^2-27z+22

So the answer in simplified form is:

7z^3+6z^2-27z+22 ..

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C. -2x+10

Step-by-step explanation:

When you multiply a negative with a negative, it becomes a positive.

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