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MaRussiya [10]
2 years ago
5

Please help me I have no idea how to solve!

Mathematics
1 answer:
irinina [24]2 years ago
3 0

Step-by-step explanation:

It says add across to the right and add  down bottom

                                                                                  Add across

                               3x                              2x^2                 3x +2x^2

                               x^2                              5x                    x^2 + 5x

Add down            3x + x^2                        2x^2 +5x            3x^2 +8x

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PLEASE HELP 25 POINTS!!
iris [78.8K]

Answer:

m= masters degree salary and b=bachelors degree salary.

m = 2b - 45000

m + b = 112000

Substitute to get

2b - 45000 + b = 112000

3b = 156000

b = 52000

So m = 59000

Check to see if these numbers work

59000 = 2*52000 - 45000 true

59000 + 52000 = 112000 true

Step-by-step explanation:

7 0
2 years ago
Which expression can be used to represent the phrase “four less than seven”?
alexira [117]

Answer:

c

4-7 is four less than 7.

7 0
2 years ago
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Jonah is going to the store to buy candles. Small candles cost $3.50 and large candles cost$5.00. He needs to buy at least 20 ca
mezya [45]
He can buy 21 candels
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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

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---------

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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