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Phantasy [73]
3 years ago
12

I need the answer pls

Mathematics
1 answer:
Feliz [49]3 years ago
3 0

Answer:

Mean = 25, Median = 21, Mode = 38, Range = 23

Step-by-step explanation:

sort from smallest to greatest

15, 18, 19, 21, 26, 38, 38

mean = \frac{sum}{# of terms} = \frac{175}{7} = 25

median = middle = 21

mode = more than 1 of the same # = 38

Range = largest - smallest = 38-15 = 23

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in a class of 30 students,13 of them are boys what parcentage of the class are girl give your aswer to 1 decimal place
Elina [12.6K]

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4 0
3 years ago
The midpoint of AB is M(-2, -1). If the coordinates of A are (-7, 2), what are the coordinates of B?
slega [8]

Answer:

Coordinates of B is (3,-4)

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You multiply -1 by 2 to get -2 and then create the equation2+y^{2} =-2 then you subtract 2 by -2 which gives you -4 (y coordinate of B)

To check your answer use the midpoint formula ( \frac{x^{1} +x^{2}}{2} ) ( \frac{y^{1} +y^{2}}{2} )=M

\frac{-7+3}{2} =\frac{-4}{2} =-2\\\frac{2+ -4}{2} =\frac{-2}{2} =-1   which will give you the midpoint (-2,-1)

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Express this number in scientific notation?<br> 96,470.000
muminat
96,470 in scientific notation is equal to 9.647 * 10^{4}.
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4 years ago
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