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Alecsey [184]
3 years ago
6

Students in middle school and high school were surveyed about whether they have taken the SAT. Some of the survey results are li

sted here.
37% of middle school students have taken the SAT.
4% of high school students have not taken the SAT.

This information is shown in the two-way frequency table below. Drag numbers into the empty spaces to complete the table.

Mathematics
1 answer:
bixtya [17]3 years ago
4 0

Answer:

Step-by-step explanation:k so high school total should be 100%

                                            middle school not taken SAT should be 63%

                                            high school have taken SAT should be 96%

basically just use your basic math. Turn the problem around and take the total(100%) and subtract what number you already know. So like This:

                                                                                                100-37=63

                                                                                                100-4=96

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Our hearts beat approximately 70 times per minute. Express in scientific notation how many times the heart beats over a lifetime
earnstyle [38]

Answer:

2.69 x 10^{9}

Step-by-step explanation:

We are given the heart's speed - 70 bpm

We count the number of minutes in 73 years :

  • 1 year = 365 days
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  • 1 hour = 60 minutes
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We multiply the heart's bpm with 73 years worth of minutes

38,368,800 x 70 = 2,685,816,000

Write the number in scientific notation = 2.68581 x 10^{9} ≈ 2.69 x 10^{9}

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Answer:

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Step-by-step explanation:

To find x, you need to find how many times you need to multiply 25 to get 65. Using reverse operations will make this easier. 65 / 25 = 2.6. We can check this by multiplying 25 by 2.6, and we get 65.

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3 years ago
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A poll asks shoppers at the mall how many cups of water they typically drink in a day. The results of the poll are listed below.
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Answer:

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Step-by-step explanation:

Write data in increasing order.

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The Third quartile is the median of the upper half=9+10 / 2 = 9.5

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Step-by-step explanation:


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