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nikklg [1K]
3 years ago
13

What is 47x -38x+200= -47x +38x+200 ?

Mathematics
2 answers:
Natali5045456 [20]3 years ago
5 0
X=0 I think......xxx
ella [17]3 years ago
4 0

47x -38x+200= -47x +38x+200

9x+200=-9x+200

9x+9x+200=-9x+9x+200

18x+200=200

18x+200-200=200-200

18x=0

Divide by 18 for 18x and 0

18x/18=0/18

x=0

Check answer by using substitution method

47(0)-38(0)+200=-47(0)+38(0)+200

0+200=0+200

200=200

The answer is x=0

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Answer:

Assuming the same pace was kept, it would take 9.6 minutes.

Step-by-step explanation:

We can find this by setting up a proportion and then cross multiplying.

5 baskets/6 mins = 8 baskets/x mins

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5 0
3 years ago
Please help me out with this equation! <br> i will mark you as brainliest
BigorU [14]
<h3>Answer:  -19, -15, -9, -1, 9   (choice A)</h3>

===================================================

Explanation:

If we plug in x = -2, then we get,

y = x^2 + 7x - 9

y = (-2)^2 + 7(-2) - 9

y = 4 - 14 - 9

y = -10 - 9

y = -19

So x = -2 leads to y = -19. The answer is between A and D.

---------

If you repeat those steps for x = -1, then you should get y = -15

Then x = 0 leads to y = -9

x = 1 leads to y = -1

Finally, x = 2 leads to y = 9

The outputs we get are: -19, -15, -9, -1, 9 which is choice A

Choice D is fairly close, but we won't have a second copy of -15, and  we don't have an output of -19.

7 0
3 years ago
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ioda

Answer:

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Step-by-step explanation:

5 0
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