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stich3 [128]
3 years ago
6

12 7/8 − (1 1/7 +3 1/2 )∙(2−1 3/7 )= I WILL GIVE 30 points!

Mathematics
1 answer:
podryga [215]3 years ago
8 0

Answer: 12446/545← in fraction form. But in decimal form it's 22.83670.

Step-by-step explanation:

*Hopefully this helps:) Mark me the brainliest:)!!!

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A bag contains 6 red marbles, 2 white marbles, and 1 gray marble.You randomly pick out a marble,record its color,and put it back
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You should expect 5. There is one grey marble out of 9 total, and that can be expressed as 1/9. Since you repeat it 45 times, it's 1/9 45 times, or 1/9(45). 

\frac{1}{9} * \frac{45}{1}

1*45 is 45

9*1 is 9.

45/9 is 5.
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<em>Be sure to choose which answer is Brainliest!</em>
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3 years ago
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Answer:its d

Step-by-step explanation:

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3 years ago
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a study studied the birth weights of 1,999 babies born in the United States. The mean weight was 3234 grams with a standard devi
Aleks [24]

Answer:

1899

Step-by-step explanation:

The Empirical Rule states that, for a normally distributed random variable:

68% of the measures are within 1 standard deviation of the mean.

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In this problem, we have that:

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Percentage of newborns who weighed between 1492 grams and 4976 grams:

1492 = 3234 - 2*871

So 1492 is two standard deviations below the mean.

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So 4976 is two standard deviations above the mean.

By the Empirical Rule, 95% of newborns weighed between 1492 grams and 4976 grams.

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So the answer is 1899

8 0
3 years ago
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Roman55 [17]
The correct answer is: D. (-3) + 2 = -1

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3 0
3 years ago
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