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3 years ago

What is the difference between the mean and the median of the data set? (22, 8, 10, 18, 12, 20)

Mathematics

1 answer:

IgorC [24]3 years ago

7 0

Let D = difference between mean and median of data.

Mean = (22 + 8 + 10 + 18 + 12 + 20)/6

Mean = 90/6

Mean = 15

Let m = median

m = 8, 10, 12, 18, 20, 22

m = (12 + 18)/2

m = 30/2

m = 15

D = M - m

D = 15n- 15

D = 0

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3 years ago

Factor completly 4x^2 +8x -5

DaniilM [7]

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Answer:

$\left(2x-1\right)\left(2x+5\right)$

Step-by-step explanation:

║Given info║:

Factor completely: $4x^2 +8x -5$

Solution~:

Breaking the expression~: $\left(4x^2-2x\right)+\left(10x-5\right)$

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