3 years ago

What is the rate of change of the line

Mathematics

2 answers:

jolli1 [7]3 years ago

8 0

Answer:

5 feet per second

Step-by-step explanation:

butalik [34]3 years ago

3 0

B 5 feet per second

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Dmitrij [34]

Answer:

{4,5}

Step-by-step explanation:

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3 years ago

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Vadim26 [7]

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What is the slope of the line that passes through the points (-10, 8) and

vlada-n [284]

Answer:

$slope=3$

Step-by-step explanation:

Use the following equation the find the slope:

$\frac{y_{2}-y_{1}}{x_{2}-x_{1}} =\frac{rise}{run}$

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$(-10_{x1},8_{y1})\\\\(-15_{x2},-7_{y2})\\\\\\\frac{-7-8}{-15-(-10)}\\\\\frac{-7-8}{-15+10}$

Solve:

$\frac{-7-8}{-15+10}=\frac{-15}{-5}$

Simplify. Two negatives make a positive:

$\frac{-15}{-5}=\frac{15}{5}$

Simplify fraction by dividing top and bottom by 5:

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The slope is 3.

:Done

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3 years ago

How do I find, x and y?

geniusboy [140]

Since this is a quadrilateral, all angles together = 360°. The angle that is 128° is congruent to angle y, so y=128°. Angle x and y are supplementary, meaning together they equal 180°, or x+y=180°. So x=180°-y. Which means, x=180°-128°=52°.

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the second one is B

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