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Keith_Richards [23]
3 years ago
12

Someone please help me

Mathematics
1 answer:
Irina18 [472]3 years ago
7 0

Answer:

a) Angle XBC = 55° because it's a corresponding angle

AXY = XBC

b) 180° - (55° × 2) = 70°

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Write the expresion in simplest form<br> (-11/2x+30)-2(-11/4x-5/2)
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The simplified expression of (-11/2x+30)-2(-11/4x-5/2) is 35

<h3>How to simplify the expression?</h3>

The expression is given as:

(-11/2x+30)-2(-11/4x-5/2)

Expand the bracket

-11/2x + 30 + 11/2x + 5

Collect the like terms

11/2x -11/2x + 30 + 5

Evaluate the like terms

35

Hence, the simplified expression of (-11/2x+30)-2(-11/4x-5/2) is 35

Read more about expressions at:

brainly.com/question/723406

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They all look right but i'm not sure about the last one?

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