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AnnZ [28]
3 years ago
9

Can you help with number 18 please?

Mathematics
1 answer:
motikmotik3 years ago
6 0

16.1 - 0.25 = 15.85
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Find the mean, median, mode, and range of this data: 49, 49, 54, 55, 52, 49, 55. If necessary, round to the nearest tenth.
krok68 [10]

Answer:

Mean = 51.4.

Mode = 49.

Median = 52.

Range = 6.

Step-by-step explanation:

Mean = Sum of all observations / Number of observations.

Mean = (49+49+54+55+52+49+52)/7

Mean = 360/7

Mean = 51.4 (to the nearest tenth).

Mode = The most repeated values = 49 (repeated 3 times).

Range = Largest Value - Smallest Value = 55 - 49 = 6.

Median = The central value of the data.

First, arrange the data in the ascending order: 49, 49, 49, 52, 54, 55, 55.

It can be seen that the middle value is 52. Therefore, median = 52!!!

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3 years ago
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Answer:

Step-by-step explanation:

10 = r²h

(2r)²(2h) = 16r²h

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4 0
3 years ago
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mamaluj [8]

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Prove that there exists a unique real number solution to the equation x3 + x2 − 1 = 0 between x = 2/3 and x=1
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Replace each of the x values given to see if they give 0. 

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Therefore, you can see that the solution would have to be between 2/3 and 1.

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