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SVETLANKA909090 [29]
3 years ago
9

Factor the GCF: 30a3b4 + 20a2b2 - 15ab3. Please help

Mathematics
1 answer:
Blizzard [7]3 years ago
8 0

Answer:

The GCF for the variable part is ab².

GCF<em>Variable</em>=ab²

Multiply the GCF of the numerical part 5 and the GCF of the variable part ab².

5ab²

Step-by-step explanation:

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3 years ago
Find angles 1, 2, and 3
Novay_Z [31]

Answer:

angle 1 = 51°,  angle 2 = 39°,  angle 3 = 90°

Step-by-step explanation:

Arrows on lines are used to indicate that those lines are parallel.

As the opposite lines are parallel, this indicates that angles 39° and angle 2 are alternate, which means they are equal.  So angle 2 = 39°

As the opposite lines are parallel, and we are given one of the interior corner angles as a right angle (90°), this means that all corner angles of the rectangle are 90°.  Therefore, angle 1 = 90° - angle 2 = 90 - 39 = 51°

Angle 3 is opposite to the right angle.  As the lines are parallel, angle 3 = 90°

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3 years ago
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