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expeople1 [14]
3 years ago
9

PLEASE HELP!! 50Points!! Im confused!!

Mathematics
2 answers:
Alekssandra [29.7K]3 years ago
5 0

Answer:

C

Step-by-step explanation:

Two angle are side to be compliment if there sum is 90°

<B + <A = 90°

<B = 90° - <A

<B = 90° - 40°

<B = 50°

Two angle are side to be compliment if there sum is 180°

<B + <C = 180°

<C = 180° - <B

<C = 180° - 50°

<C = 130°

m<B + m<C = 50° + 130° = 180°

malfutka [58]3 years ago
5 0

Answer:

c

Step-by-step explanation:

Two angle are side to be compliment if there sum is 90°

<B + <A = 90°

<B = 90° - <A

<B = 90° - 40°

<B = 50°

Two angle are side to be compliment if there sum is 180°

<B + <C = 180°

<C = 180° - <B

<C = 180° - 50°

<C = 130°

m<B + m<C = 50° + 130° = 180°

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STEP 1: Simplify both sides of the equation.
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<span><span><span><span><span><span>−<span>5r</span></span>+30</span>+</span>−24</span>+<span>24r</span></span>=<span>−32</span></span><span><span><span>(<span><span>−<span>5r</span></span>+<span>24r</span></span>)</span>+<span>(<span>30+<span>−24</span></span>)</span></span>=<span>−32 </span></span>(Combine Like Terms)
<span><span><span>19r</span>+6</span>=<span>−32</span></span><span><span><span>19r</span>+6</span>=<span>−32
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STEP 2: Subtract 6 from both sides.
<span><span><span><span>19r</span>+6</span>−6</span>=<span><span>−32</span>−6</span></span><span><span>19r</span>=<span>−<span>38

STEP 3: Divide both sides by 19.
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r = -2

FINAL ANSWER: r  = -2</span></span></span>
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