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sashaice [31]
3 years ago
10

Please help ASAP

Mathematics
1 answer:
aliya0001 [1]3 years ago
4 0
It should be multiplied by the opposite of the coefficient of y in the first equation, hence
  B)) -2

_____
Actually, it depends on your choice of next step. Multiplying by -2 lets you add the two equations. Multiplying by 2 means you need to subtract one equation from the other. We usually find addition easier, so we would usually choose -2, but either can work. It depends on whether you like to add negative numbers or subtract positive ones.
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Haley had 7 pens. All of the pens are either blue or black, And there are 3 more blue pens than black pens. How many black pens
MaRussiya [10]
Hello! Haley has 7 pens, with 3 more of them being blue than black. If you do some mental math, you know that 5 is 3 more than 2 and 2 + 5 is 7. So Haley has 5 blue pens and 2 black pens.
8 0
4 years ago
NJI.IL ..
Aloiza [94]

Answer:

12.48

Step-by-step explanation:

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3 0
3 years ago
Please I need help ASAP
AVprozaik [17]

Answer:

I think it is 26%

Step-by-step 124 divided by 479

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4 years ago
Investors buy a studio apartment for $150,000. Of this amount, they have a down payment of $22,500. Their down payment is what p
Dafna11 [192]
(N stands for the number)So we do a simple problem:
$150,000 - N% = $67,500
$150,000 - 45% = $67,500
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$22,500 is 15% of $150,000
8 0
4 years ago
Suppose both the mean and median of a distribution are 24. Which of these
kow [346]

Answer:

D is the correct answer.

3 0
3 years ago
Read 2 more answers
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