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Sedaia [141]
3 years ago
12

Find the slope of the line passing through the points (-1,3) and (4,-7

Mathematics
1 answer:
DanielleElmas [232]3 years ago
4 0

You use the slope formula:

m = \frac{y_{2}-y_{1} }{x_{2}-x_{1}}

m is the slope. Plug in the points.

m = \frac{-7 - 3}{4 - (-1)}

m = \frac{-7 - 3}{4+1}

m = \frac{-10}{5}

m = -2

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A rectangular park is 85 yards wide and 120 yards long.
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Answer:

A=10506.25 Sq.yards

Step-by-step explanation:

Width of the park=85 yds

Lenght of the park=120 yds

Now,

A=L*W

A=120*85

A=10200 square yards. This is the area of your given rectangle.

Now,

P=2(L+W)

P=2(120+85)

P=2(205)

P=410 this is the perimeter of your given rectangle.

Now,

a=410/4=102.5

Now,calculate the area of newly given distance of each side:

A=a^2

A=102.5^2

A=10506.25 Sq. Yards

This is the new area and is larger than the area of the given rectangle which was 10200 square yards.

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3 years ago
Amir purchased 1 1/2 pounds of chocolates and gave them equally to 3 friends.How many pounds of chocolates did Amir give to each
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Elden [556K]

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35/100 *80=25

Step-by-step explanation:

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Quadrilateral ABCD is a rhombus. suppose measure of angle A decreases. Which of the following changes woukd also need to happen
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Assuming the side lengths did not change, ...

Angle C would need to decrease by the same amount.
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