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3 years ago

Give the slope between the points (-2,3) (-5, -9)

Mathematics

2 answers:

RUDIKE [14]3 years ago

7 0

The slope is 4. i hope this helped:)

valentina_108 [34]3 years ago

4 0

M = (-9 - 3) / (-5 - -2)
m = -12 / -3
m = 4

The slope is 4.

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How is the sum expressed in sigma notation? 11 + 17 + 23 + 29 + 35 + 41

Ann [662]

<h3>The sum expressed in sigma notation is:</h3>

$11+17+23+29+35+41=\sum\limits_{i=1}^{6}5+6i$

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5 + 6(1) = 11

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We can expand the sigma notation and verify the results

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ratelena [41]

Answer:

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Step-by-step explanation:

We want an equation of the form y = mx + b (slope-intercept).

Look what happens to x as we go from (0, 8) to (1, 10): x increases by 1. This is the 'run' as we calculate the slope.

At the same time, y increases by 2 from 8 to 10.

The slope is defined as m = rise / run, and here is m = 2/1, or m = 2.

Write out y = mx + b and substitute 2 for m: y = 2x + b.

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