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Sergeeva-Olga [200]
3 years ago
5

Thanks to who ever helped me with this question!​

Mathematics
2 answers:
statuscvo [17]3 years ago
5 0

Answer:

61

Step-by-step explanation:

a triangles angles equal 180 so 180-10-19-90 = 61

ollegr [7]3 years ago
3 0

Answer:

-9

Step-by-step explanation:

Since the opposite angles of both sides are congruent we know that the sides must be congruent also. Therefore, to solve for x we can set them equal to each other.

So the equation will be x+19=10, to solve we must isolate the variable.

First, subtract 19 from both sides

x+19-19=10-19

Then, simplify

x=-9

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UkoKoshka [18]

Answer:

40% = 72

divide both sides by 40 to find 1%

1% = 1.8

now multiply by 100 to find total amount earned

100% = 180

total earned $180

7 0
3 years ago
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alex41 [277]

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Step-by-step explanation:

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3 years ago
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Mademuasel [1]

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Step-by-step explanation:

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4 0
3 years ago
Show me how to do this​
romanna [79]

Answer:

<h2>x = 7 cm</h2>

Step-by-step explanation:

The perimeter of the given triangle:

P = (2x + 1) + (x + 2) + (3x - 9) and P = 36 cm.

Therefore we have the equation:

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