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pogonyaev
3 years ago
5

Please help ill mark brainlyst please

Mathematics
1 answer:
kozerog [31]3 years ago
3 0

Answer:

x = 8°

y = 21°

Step-by-step explanation:

27 + 3y = 90

3y = 63

y = 21°

x + 8x + 18 = 90

9x = 72

x = 8°

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What is 4x2 - x + 17 when x = -7?​
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Answer:

32

Step-by-step explanation:

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Twice the difference of a number and 8 is 6. use the variable x for the unknown number.​
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Answer:

11

Step-by-step explanation:

Unknown number = x

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Answer from Gauthmath

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31.59

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3 years ago
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1. m+ 10< 16
sleet_krkn [62]

Answer:

1.\ m

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m+ 10< 16\\ m+ 10-10< 16-10\\m

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-2g\geq8\\\\\frac{-2g}{-2}\geq\frac{8}{-2}\\\\g\leq-4

3. Add 22 to both sides. Then:

y-22< 19\\ y-22+22

4. Divide both sides by -7. Notice that the direction of the symbol of the inequality will change. Then:

-7b>-28\\\\\frac{-7b}{-7}>\frac{-28}{-7}\\\\b

5. Subtract 30 from both sides. Then:

h+30

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-5x

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t+13>22\\ t+13-13>22-13\\t>9

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