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alina1380 [7]
3 years ago
7

Find the slope of the line that passes through the pair of points

Mathematics
1 answer:
professor190 [17]3 years ago
6 0
Slope= \frac{y_2-y_1}{x_2-x_1} = \frac{-\frac{9}{2} - (-1)}{-2- (-\frac{5}{3})}=\frac{ - \frac{9}{2} +  1}{-2 +   \frac{5}{3}} \\=  \frac{ - \frac{7}{2}}{ - \frac{1}{3}} \\= \frac{ - \frac{7}{2}\cdot6}{ - \frac{1}{3}\cdot6} \\=\frac{-21}{ -2}  \\  =\boxed{\bf{ \frac{21}{2}}}

So... none of your answers are correct. The correct answer is 21/2.
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Here is the answer to your question

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A rectangular pool 6 meters by 4 meters is surrounded by a walkway of width x meters. At what value of x will the area of the wa
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Answer:

x=1 meter

Step-by-step explanation:

step 1

Find the area of the rectangular pool

A=LW

we have

L=6\ m\\W=4\ m

substitute

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step 2

Find the area of rectangular pool including the area of the walkway

Let

x ----> the width of the walkway

we have

L=(6+2x)\ m\\W=(4+2x)\ m

substitute

A=(6+2x)(4+2x)

step 3

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so

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step 4

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