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Dafna1 [17]
3 years ago
6

What is the solution to this system of linear equations?

Mathematics
1 answer:
kicyunya [14]3 years ago
7 0

Answer:

A) y - x = 6

B) y + x = -10   Let's add both equations:

2 y = -4

y = -2

From equation A) we see x is -8

The first answer is correct

Step-by-step explanation:

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If 15% of an item is $18 what is the original price??
stiks02 [169]

Answer:

If you were trying to find 15% of 18, that would be multiplying a decimal, but, you need to mutliply a whole number. $120 should be your answer. People, correct me if I'm wrong (seriously though, not 100% sure if this is correct).

Step-by-step explanation:

18 = 15% x Y

18 = 15/100 x Y

Y = 18 × 100/15

Y = 18 × 100 ÷ 15

Y = 120

6 0
3 years ago
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Juliette [100K]
The answer is 216 because (12 + 6) x (12)
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A ball is thrown in the air from a ledge. Its height in feet is represented by 
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check the picture below.

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it cannot be -1, because is a seconds amount after moving.

8 0
3 years ago
Please help me!!!<br>What is the value of n?<br>2n = 8 + 4n<br>A)-4<br>B) 4<br>C)-4/3<br>D)4/3
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To get the value of n u have to set n by itself, first we have to set teh smallest n to teh other side this will give you 0=8+2n now subtract the 8 from both sides because it is positive and the only way to get rid of a positive is with a negative this will give you -8=2n, now to set n by itself divide by 2 in both sides because in order to get rid of a multiplication you have to divide, this will give you n=-4, so your answer will be letter A

Hope this helps

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Alex bought string for $125. Other materials for $18. What is the total cost to make 50 puppets?
Lesechka [4]
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3 years ago
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