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Zanzabum
3 years ago
10

Sarah said that 0.00001 is bigger than 0.001 because the first number has more digits to

Mathematics
1 answer:
sleet_krkn [62]3 years ago
4 0

Answer:

No, Sarah is incorrect. The more zeros you add the smaller the digit gets. For example, .01 is less than .1.

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Scores on the GRE (Graduate Record Examination) are normally distributed with a mean of 579 and a standard deviation of 94. Use
Nata [24]

Answer:

The percentage of people taking the test who score between 391 and 767 is 95%.

Step-by-step explanation:

The Empirical Rule(68-95-99.7 Rule) states that, for a normally distributed random variable:

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

95% of the measures are within 2 standard deviation of the mean.

99.7% of the measures are within 3 standard deviations of the mean.

In this problem, we have that:

Mean = 579

Standard deviation = 94

391 = 579 - 2*94

So 391 is two standard deviations below the mean.

767 = 579 + 2*94

So 767 is two standard deviations above the mean.

By the Empirical Rule:

The percentage of people taking the test who score between 391 and 767 is 95%.

4 0
3 years ago
What is the value of x?<br> A. 13 <br> B. 17<br> C. 119<br> D. 169
Marianna [84]

Answer:

13

Step-by-step explanation:

x² = 5²+12²

x² = 25+144

x² = 169

x² = 13²

x = 13

3 0
3 years ago
If a car can travel 435 miles on 25 gallons of gas how many miles per gallon does the car get?
nirvana33 [79]

Answer:17.4

Step-by-step explanation:435 Divided by 25

6 0
4 years ago
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Vera_Pavlovna [14]

Answer:

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Step-by-step explanation:

well on one side your adding 3 to the next ratio

so on the other side your doing the same of adding 2 to the next ratio

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3 years ago
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D

Step-by-step explanation:

5 0
4 years ago
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