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slava [35]
3 years ago
15

Factor by grouping (or any method): 81x^2 + 9

Mathematics
2 answers:
rusak2 [61]3 years ago
6 0

Answer:

9(9x^2+1)

Step-by-step explanation:

Just factor the 9 out.

Katyanochek1 [597]3 years ago
3 0

Answer:

ur answer is 607.51

Step-by-step explanation:

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In the diagram, the measure of angle 8 is 124°, and the measure of angle 2 is 84°. A transversal intersects 2 lines to form 8 an
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Clockwise from the top left, the angles are ∠1, ∠2, ∠3, ∠4, ∠5, ∠6, ∠7, ∠8 are 96°, 84°, 96°, 84°, 56°, 124°, 56°, 124° respectively. Then the correct option is A.

<h3>What is an angle?</h3>

Angle is the space between the line or the surface that meets.  And the angle is measured in degree. For complete 1 rotation, the angle is 360 degrees.

Supplementary angle - Two angles are said to be supplementary angles if their sum is 180 degrees.

Vertically opposite angle - When two lines intersect, then their opposite angles are equal.

In the diagram, the measure of angle ∠8 is 124°, and the measure of angle ∠2 is 84°.

Angle ∠1 and ∠2 are supplement angles.

∠1 + ∠2 = 180°

∠1 + 84° = 180°

        ∠1 = 96°

Similarly, angles ∠7 and ∠8 are supplement angles.

∠7 + ∠8 = 180°

∠7 + 124° = 180°

          ∠7 = 56°

By the property of the opposite angles, we have

∠1 = ∠3 = 96°

∠2 = ∠4 = 84°

∠5 = ∠7 = 56°

∠6 = ∠8 = 124°

Clockwise from the top left, the angles are ∠1, ∠2, ∠3, ∠4, ∠5, ∠6, ∠7, ∠8 are 96°, 84°, 96°, 84°, 56°, 124°, 56°, 124° respectively.

Then the correct option is A.

More about the angled link is given below.

brainly.com/question/15767203

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Answer:

Step-by-step explanation:

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Angle MNO is formed by segments MN and NO on the following coordinate grid:
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Answer:

I am 90% sure that the answer is M'N'O' is 90*

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