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horrorfan [7]
4 years ago
5

greta collects the number of miles run each week from random sample of female marathon runners. her data are shown below. she ma

de the qualitative statement, "25% of female marathoners run 13 or more miles a week." is her statement reasonable. explain. data: 13, 14, 18, 13, 12, 17, 15, 12, 13, 19, 11, 14, 14, 18, 22, 12
Mathematics
1 answer:
dedylja [7]4 years ago
8 0
Her statement is not reasonable because it is not true that 25% of female marathoners run 13 or more miles a week, it is true that 25% run less than 13 miles a week (out of the data). The rest of the data would be 75%, making the statement, "75% of female marathoners run 13 or more miles a week" true. The way she recorded the data does not interfere with the statement being  reasonable since it is unbiased. 
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nata0808 [166]
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Hoped this helped
3 0
4 years ago
If m + n = 7 and 2n - 3m = 6, what is the value of 3n - 2m ?
S_A_V [24]
Since m + n = 7 we know m = 7-n. So now we have 2n - 3(7-n) = 6. From this we get n = -3. So now we know m - 3 = 7 so m = 10. So now we have 3(-3) + 2(10) = ? and this comes out as 11
8 0
3 years ago
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Given a line segment A(16, 8) and B(1, 3) what are the coordinates or the line segment partitioned two-fifths from A to B.
Shalnov [3]
Partitioning means to find the dividing point between two points.
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We will take the first point (from A to B) as A(16,8).
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Add the difference to the first coordinates (point A) gives
Point of division = (16,8)+(-6,-2) = (16-6, 8-2) = (10,6)


7 0
3 years ago
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Karolina [17]
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3 years ago
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D) Subtraction because in order to find the distance in between the marker you will need to subtract 14 from 29. So the operation will you need to find the answer is subtraction.

4 0
3 years ago
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