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s344n2d4d5 [400]
3 years ago
9

***PLEASE HELP***

Mathematics
1 answer:
ICE Princess25 [194]3 years ago
4 0

Answer:

a. 7

b. - 11

c. 9

Step-by-step explanation:

A. Remove the parentheses:- 2+9

Calculate the sum of difference:7

Answer: 7

B. Calculate the sum or difference: - 11

Answer: 11

C. Remove the parentheses: 2+9+2

The sum of two opposites equals: 0

Answer: 9

Hope this help✨...

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Can someone help me plz and thank u
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Answer:

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Step-by-step explanation:

A triangle is 180 degrees

(x+59) + (x+51) + 84 = 180        >> add everything on the left side

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2x = -14                                     >> divide both sides by 2 to get x alone

x = -7

since you are finding A<, substitute

<A = x + 51

<A = (-7) + 51

<A = 44  

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Step-by-step explanation:

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4 years ago
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icang [17]

Answer:

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Step-by-step explanation:

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