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Vikki [24]
2 years ago
12

Find the measure of each angle indicated. Show work.​

Mathematics
1 answer:
kirza4 [7]2 years ago
3 0

Answer:

? = 109 degrees

Step-by-step explanation:

45 + 75 + _ = 180  ( look for vertical angles)

45 + 75 + 60 = 180

60 +79 + _ = 180 (look for a straight line that forms 180 degrees)

60 + 79 + 41 = 180

68 + 41 + _ = 180 (look for a triangle that adds up to 180)

68 + 41 + 71 =180

180 - 71 = 109 (look for a linear pair)

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What value of a makes the solution to the equation 5x-10=3x+a equal to 12
Illusion [34]

Answer:

a=-1.2

Step-by-step explanation:

5x-10=3x+a=12

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5x-10=12

add 10 to both sides:

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divide both sides by 5:

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now that we know what x is, we can plug it back into the equation to find a:

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first, simplify both sides:

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then, subtract 13.2 from both sides:

and our answer is: a=-1.2

6 0
3 years ago
A circle's area is directly proportional to its radius squared.
motikmotik

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Answer:

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Step-by-step explanation:

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  A = πr²

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The constant of proportionality is about 3.14.

5 0
3 years ago
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Over [174]
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5 0
3 years ago
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konstantin123 [22]

Answer:

7 + 6

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Step-by-step explanation:

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Answer:

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