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tamaranim1 [39]
4 years ago
11

What is the solution to this system of linear equations?

Mathematics
1 answer:
I am Lyosha [343]4 years ago
8 0
First rearrange the second equation and isolate for Y so x-y=6 would become -y=6-x but you can’t hav a negative Y so divide everything by -1 so you end up with y=x-6

Now plug it in the first equation so
X+(x-6)=4 and solve it
Your gonna get x=5

You don’t need to solve For y because in all the options you listed only One has 5 as the x value so u can assume the answer is (5,-1)
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a computer in Texas cost $420 and the tax is $60 what is the tax rate ? can anyone explain how I get the answer
sertanlavr [38]
If I'm interpreting this question correctly, then you want to know the tax per dollar. In order to find that, you need to find the percentage of $420 that equals $60. So, 

420x = 60
x = 60/420 
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So, the tax rate would be this value multiplied by 100%.

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4 0
3 years ago
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Marrrta [24]
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4 years ago
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vitfil [10]
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8 0
4 years ago
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zloy xaker [14]

Answer:

b is the answer.

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6 0
3 years ago
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storchak [24]
1 over 3 to the 5th
When you divide you subtract your exponents...and then put negative exponents in the denominator

8 0
3 years ago
Read 2 more answers
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