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sp2606 [1]
1 year ago
10

9Find -18 + (-67). Show your work.

Mathematics
1 answer:
polet [3.4K]1 year ago
3 0

Answer:

-85

Explanation:

Given the mathematical expression:

-18+(-67)

First, we recall the product of signs.

+\times-=-

So, first, we open the bracket:

-18+(-67)=-18-67

We then simplify:

=-85

The result is -85.

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Answer:

First Image:         Option D

Second Image:   Option D

Third Image:       Option C

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Fifth Image:         Option B

Step-by-step explanation:

<u>First Image:</u>

  • Supplementary angles is two angles whose sum is 180 degrees (straight line)
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<u>Second Image:</u>

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  • 72 + 45 + ? = 180° → 117 + ? = 180° → ? = 63°
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<u>Third Image:</u>

  • Supplementary angles is two angles whose sum is 180 degrees (straight line)
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  • ? is an acute angle is an angle that measures between 90° and 0°

<u>Fourth Image:</u>

  • Supplementary angles is two angles whose sum is 180 degrees (straight line)
  • 180 - 120 = 60°
  • we are shown a right angle which = 90°
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<u>Fifth Image:</u>

  • Supplementary angles is two angles whose sum is 180 degrees (straight line)
  • 180 - 85 = 95°
  • ? is an obtuse angle is any angle greater than 90° which checks the answer

Learn more about Triangles here: brainly.com/question/4186813

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