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Daniel [21]
3 years ago
14

Which value, when placed in the box, would result in a system of equations with infinitely many solutions?

Mathematics
2 answers:
liraira [26]3 years ago
5 0

Answer:12

Step-by-step explanation:

Oduvanchick [21]3 years ago
4 0

Answer:

The value is 12

Step-by-step explanation:

we have

y=-2x+4

Convert to standard form

2x+y=4 ----> equation A

Let

a ----> the missing value

6x+3y=a ----> equation B

we know that

If the system of equations A and B has infinitely solutions, then equation A and equation B are identical

Multiply equation A by 3 both sides

3(2x+y)=3(4)

6x+3y=12 ----> new equation A

Equate new equation A and equation B

a=12

therefore

The value is 12

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Francis went to the sporting goods store and spent $75.15 on 6 items.
MArishka [77]

Answer:

$6.03

Step-by-step explanation:

The question is asking us how much each pair of socks cost. With the information we are given, we know that there are 5 pairs and that they all cost the same amount. If the total were just the 5 socks, we could easily divide the total by 5 to get the price of each pair but that's not the case. The soccer ball is included in the final cost. To overcome this, we just have to subtract the soccer ball's cost ($45) from the total.

So we subtract $45 from $75.15, giving us $30.15, the total amount of all the socks. However we need to find out how much each pair costs and there are 5 of them, so we divide 30.15 by 5. This gives us the answer, $6.03.

Each pair of socks cost $6.03.

Simpler Explanation:

  • $75.15 - $45 = $30.15
  • $30.15 / 5 = $6.03

The answer is $6.03

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3 years ago
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Answer:

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Step-by-step explanation:

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IgorLugansk [536]


2x+3=-1         /-3

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