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Liula [17]
2 years ago
9

Help please I’m almost done

Mathematics
1 answer:
netineya [11]2 years ago
5 0

Answer:

33 and -39

Step-by-step explanation:

Angle on a straight line = 180

|5x + 15| = 180 and |5x + 15| = -180

5x + 15 = 180

Subtract 15 from both sides;

5x = 165

Divide both sides by 5;

x = 33

5x + 15 = -180

Subtract 15 from both sides;

5x = -195

Divide both sides by 5;

x = -39

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Step-by-step explanation:

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tresset_1 [31]

The additional information needed to prove both triangles are similar are:

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C. △ABC was rotated and dilated by a scale factor between 0 and 1

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<h3>What are Similar Triangles?</h3>

When a triangle is rotated and dilated by a scale factor, the new triangle formed has the same shape but different size of the original triangle. However, all its corresponding angles remains congruent.

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brainly.com/question/2644832

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1 year ago
12 grams to kilograms
Masja [62]
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Simplify.<br> (4v2-5v-1) + (7v2-3v+2)
Rudiy27

Answer:

11v^2 - 8v + 1

Step-by-step explanation:

(4v^2 - 5v - 1) + (7v^2 - 3v + 2)

open brackets

4v^2 - 5v - 1 + 7v^2 - 3v + 2

place like terms together (remember signs remain same )

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add or subtract like terms

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