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natta225 [31]
3 years ago
12

Does anyone know this:)

Mathematics
1 answer:
torisob [31]3 years ago
7 0

Answer:

18

Step-by-step explanation:

1/2 of base times height is AREA OF A TRIANGLE

1/2(6*30)=18

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Anita is making a curtain to surround a table. She bought 3 1/4 yards of fabric. Her total cost was $13. What was the cost per y
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3.25y=13. Isolate y by dividing both sides of the equation by 3.25. So 3.25y/3.25=13/3.25. Your answer is therefore 13/3.25, or 4
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Please tell me how to find the Slope of lines, (or do one for me) [I’ll try to help you back]
zheka24 [161]

The slope of a line often referred to as the (\frac{rise}{run}) is the rate of change in a line. It can be found using the following formula.

\frac{y_2-y_1}{x_2-x_1}

Where (x_1,y_1) and (x_2,y_2) are points on the line. For each problem, substitute the points on the line into the formula and solve for the slope.

1. \frac{1}{2}

(0, 2), (-2, 1)

=\frac{1-2}{-2-0}\\\\=\frac{-1}{-2}\\\\=\frac{1}{2}

2. 2

(-2, -1), (0, 3)

=\frac{3-(-1)}{0-(-2)}\\\\=\frac{3+1}{0+2}\\\\=\frac{4}{2}\\\\=2

3. 4

(1, 0), (2, 4)

=\frac{4-0}{2-1}\\\\=\frac{4}{1}\\\\=4

4. 1

(6, 2), (2, -2)

=\frac{-2-2}{2-6}\\\\=\frac{-4}{-4}\\\\=1

5.\frac{3}{5}

(-1, 1), (4, 4)

=\frac{4-1}{4-(-1)}\\\\=\frac{3}{4+1}\\\\=\frac{3}{5}

6. \frac{1}{3}

(-7, 4), (2, 1)

=\frac{4 -1}{2-(-7)}\\\\=\frac{3}{2+7}\\\\=\frac{3}{9}\\\\=\frac{1}{3}

7. 0

(5, -3), (-2, -3)

=\frac{-3-(-3)}{-2-5}\\\\=\frac{-3+3}{-7}\\\\=0

8. \frac{7}{5}

(-3, 2), (2, 7)

=\frac{7-2}{2 - (-3)}\\\\=\frac{7}{2+3}\\\\=\frac{7}{5}

9. 8

(2, 16), (3, 24)

=\frac{24-16}{3-2}\\\\=\frac{8}{1}\\\\=8

4 0
3 years ago
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