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3 years ago

What is the area, in square meters, of a right triangle with sides of length 8 meters, 15 meters, and 17 meters?

Mathematics

1 answer:

cestrela7 [59]3 years ago

6 0

I believe it would be E. YW

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For what value is a is (a,9) a solution of the equation y=2x+1

yanalaym [24]

Answer:

a = 4

Step-by-step explanation:

y = 2x + 1 ......(1)

Going through y - y1 = m(x - x1)

m is slope and it is 2

y1 = 9 and x1 = a

y - 9 = 2(x - a)

y - 9 = 2x - 2a

y = 2x - 2a + 9 ........(2)

Equating (1) and (2)

2x + 1 = 2x - 2a + 9

Collecting like terms

2x - 2x + 2a = 9 - 1

2a = 8

a = 8/2

a = 4

7 0

3 years ago

Help with both questions offering 10 points

Alexandra [31]

Answer:

$\:\mathrm{First\: problem:\:}-2,\\\:\mathrm{Second\: problem:\: }-3$

Step-by-step explanation:

The slope of a line passing through points $(x_1, y_1)$ and $(x_2, y_2)$ is:

$m=\frac{\Delta y}{\Delta x}=\frac{y_2-y_1}{x_2-x_1}$

Plugging in any two points in the table we have:

First problem:

$m=\frac{1-5}{2-0}=\frac{-4}{2}=\fbox{$-2$}$

Second problem:

$m=\frac{-1-5}{2-0}=\frac{-6}{2}=\fbox{$-3$}$

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3 years ago

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Gelneren [198K]

Step-by-step explanation:

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3 years ago

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Tasya [4]

Letter s begins at 16.67 ft

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3 years ago

Team A beat Team B by 15 points in a football game . If a total of 35 points were scored , what was the final score of the game

olga2289 [7]

Answer:

25-10 (25 - A and 10 - B)