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Tanya [424]
3 years ago
6

What is they-intercept for the equation 8x + 3y = -24?

Mathematics
1 answer:
FromTheMoon [43]3 years ago
7 0

Answer:

y=-8

Step-by-step explanation:

First, rewrite the equation in slope-intercept form:

y=-\frac{8}{3}x-8

Now just look at the slope-intercept form and your y-intercept is -8, and your slope is -\frac{8}{3} x.

If you don't know what slope-intercept form is it is y=mx+b where m is your slope and b is your y-intercept.

Hope this helps! :)

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24 PTS!!!!!!1
balandron [24]

Answer:

  D  (7, 0.5)

Step-by-step explanation:

The equations must be interpreted to be ...

  • y = -1/2x +4
  • y = 1/2x -3

A graph shows the solution to be (7, 0.5), matching selection D.

___

You can add the two equations together to get ...

  (y) +(y) = (-1/2x +4) + (1/2x -3)

  2y = 1 . . . . . simplify

  y = 1/2 . . . . .divide by 2

It can be convenient to use the second equation to find x.

  1/2 = 1/2x - 3

  1 = x - 6 . . . . . . multiply by 2

  7 = x . . . . . . . . . add 6

The solution is (x, y) = (7, 0.5). . . . . matches selection D.

8 0
3 years ago
Need help, and please answer
masya89 [10]

Answer:

7(2+x)(2-x)

Step-by-step explanation:

observe

28-7x^2=7(4-x^2)=7(2+x)(2-x)

6 0
3 years ago
Solve this problem: –282 – (+1,017) = ?
klio [65]
The answer is -1,299
4 0
3 years ago
Read 2 more answers
Sophie went to the lake with her family. First, they spent 1 1/4 hours of fishing. Then, they spent twice as much time swimming.
Cloud [144]
Overall, they spent 3 3/4 hours fishing and swimming.
3 0
3 years ago
G(x)=(x^2+1)(3x-5) what is the value of g(4)?
MAVERICK [17]

g(x) = x^2 + 1(3x - 5)

<em><u>Replace all x's with 4.</u></em>

g(4) = 4^2 + 1(3 * 4 - 5)

g(4) = 16 + 1(12 - 5)

g(4) = 17(7)

g(4) = 119 (This is your answer.)

5 0
3 years ago
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