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Agata [3.3K]
3 years ago
14

2(c-2) pleaseeee help

Mathematics
1 answer:
Ksenya-84 [330]3 years ago
7 0

Answer

2c-4

step by step explanation

2×(c-2)

2×c=2c

2×2=4

so

2c-4

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A line passes through points (2,5) and (5, 14). What is the slope of this line?
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<u>We know that:</u>

Slope of a line = change in y coordinate / change in x coordinate

<u>We are given:</u>

First point = (2,5)

Second point = (5, 14)

<u>Calculating the change in y coordinate:</u>

change in y (also represented by Δy) = second y - first y

Δy = 14 - 5

Δy = 9

<u>Calculating the change in x coordinate:</u>

Δx = second x - first x

Δx = 5 - 2

Δx = 3

<u>Slope of the line:</u>

Slope = (Δy) / (Δx)

Slope = 9 / 3                                              [replacing the values]

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Answer:

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A dependent means t-test determines if the differences between scores on the pretest and posttest measures differ significantly
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A dependent means t-test determines if the differences between scores on the pretest and post-test measures differ significantly from Zero(0).

Benefits of pre-test measurements

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qaws [65]

Answer:

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Step-by-step explanation:

The portion of the quadratic formula under the square root sign is the discriminant.

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