3 years ago

WHAT WOULD THIS BEEE

Mathematics

1 answer:

Neporo4naja [7]3 years ago

5 0

No, the angles are roughly 34, 44, and 102

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umka21 [38]

Answer:

Step-by-step explanation:

Pretend her first 3 quizzes were all 83 since that was the average. So the 4th was 87.

83+83+83+87 = 336

Divide by the total number of quizzes because they are equally weighted.

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3 years ago

The following table shows the probability of rolling the numbers 1 through 7

Marysya12 [62]

Answer:

2.0

Step-by-step explanation:

Couldn't really understnd what you wrote but I'll assume it's the standard deviation of a fair, 7-sided die

The standard deviation is just the square root of the variance (which is just the second moment minus the first moment squared)

The first moment (AKA the average is..)

$\frac{1+2+3+4+5+6+7}{7}=4$

The second moment is..

$\frac{1^2+2^2+3^2+4^2+5^2+6^2+7^2}{7}=20$

$\sqrt{20-4^2}=2$

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3 years ago

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alina1380 [7]

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3 years ago

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jok3333 [9.3K]

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4 years ago

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Martin charges $10 for every 5 bags of leaves he rakes. Last weekend, he raked 28 bags of leaves. How much money did he earn?

Elena L [17]

Answer:

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Explanation:

24 Divided by 5 = 4.8 times 10 =48

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