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Travka [436]
3 years ago
11

24 PTS!!!!!!1

Mathematics
1 answer:
balandron [24]3 years ago
8 0

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.

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Answer:

The slope is 2.

Step-by-step explanation:

DIVIDE 13-5/2+2

That gives you 8/4 which equals 2.

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Ymorist [56]

Answer:

-62024.48

Step-by-step explanation:

Given

[ 4 * ( 4 + 3 ) ] - 3 [ ( 7 - 5 ) \div 1 2 ] * 2 ( 5.4 + 3 ) * ( 6 - 2 ) [ 9 \div 3 + 6 ] * 3 ( 4 + 3.2 ) * [ ( 9 - 2 ) + 2.5]

Required

Solve

The question is poorly formatted; the only way to answer this is to place the result of each step in brackets until brackets cannot be used.

So, we have

[ 4 * ( 4 + 3 ) ] - 3 [ ( 7 - 5 ) \div 1 2 ] * 2 ( 5.4 + 3 ) * ( 6 - 2 ) [ 9 \div 3 + 6 ] * 3 ( 4 + 3.2 ) * [ ( 9 - 2 ) + 2.5 ]

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Solve all divisions

[ 4 * 7 ] - 3 * \frac{1}{6}  * 2 ( 8.4  ) * ( 4 ) [ 3 + 6 ] * 3 ( 7.2 ) * [ 7 + 2.5 ]

[28] - 0.5  * (16.8) * (4) [9] * (21.6) * [9.5]

[28] - 0.5  * (16.8) *  [36] * (21.6) * [9.5]

Multiply through

28- 62052.48

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

Let's simplify step-by-step.

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Combine Like Terms:

=−5+−5r+10

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4 0
2 years ago
Read 2 more answers
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