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Ilia_Sergeevich [38]
1 year ago
7

Sarah received scores of 85, 92 and 78 on her first three exams of the grading period. What is the lowest score Sarah can earn o

n the next exam for the exam average to be at least a 87 for the grading period.
Mathematics
1 answer:
Gnoma [55]1 year ago
3 0
The lowest score could be 87
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So I need help with 1 over x minus 8 so like 1/x-8 this is a negative exponent
Trava [24]

Answer and Step-by-step explanation:

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\frac{1}{x-8}

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Is 3/10 greater than 5/10
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3 of anything is almost always less than 5 of the same thing.
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3 0
3 years ago
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5<br> 0 = - in<br> =<br> in quadrant II<br> Given cos =<br> Find sin<br> 3
____ [38]

Answer:

sinΘ = \frac{2}{3}

Step-by-step explanation:

using the identity

sin²x + cos²x = 1  ( subtract cos²x from both sides )

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given

cosΘ = - \frac{\sqrt{5} }{3} , then

sinΘ = ± \sqrt{1-(-\frac{\sqrt{5} }{3})^2 }

        = ± \sqrt{1-\frac{5}{9} }

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since Θ is in quadrant II where sinΘ > 0 , then

sinΘ = \frac{2}{3}

7 0
2 years ago
This would be SSS correct ?
AfilCa [17]

Answer:

Yes

Step-by-step explanation:

I think so

8 0
2 years ago
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