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3 years ago

If anyone could help also step by step please with work

Mathematics

1 answer:

Rasek [7]3 years ago

6 0

9514 1404 393

Answer:

m = 1/3

Step-by-step explanation:

Step 1. Pick a line of the table to use as (x1, y1).

Step 2. Pick a different line of the table to use as (x2, y2).

Step 3. Use the slope formula:

m = (y2 -y1)/(x2 -x1)

Step 4. Simplify the result.

Here are these steps for this problem.

1, 2. use (x1, y1) = (-9, -5) and (x2, y2) = (-3, -3)

3. m = (-3 -(-5))/(-3 -(-9)) = 2/6

4. m = 1/3

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3 years ago

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3 years ago

Area of triangle = 24

Marina86 [1]

Answer:

$x=-2\pm2\sqrt13$

Step-by-step explanation:

The area of the triangle is;

$A=\frac{1}{2} \times b\times h$

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$A=\frac{1}{2}\times[(x+4)\times x] \\24=\frac{x^{2} +4x}{2} \\24\times2=x^{2} +4x\\48=x^{2} +4x\\x^{2} +4x-48=0\\$

This can only be solved by the quadratic formula.

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2 years ago