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Tcecarenko [31]
3 years ago
10

Solve the following equation; 6x+3y=13 -9x-4y=-17

Mathematics
2 answers:
Lana71 [14]3 years ago
8 0
You can not do the first one because the things do not add up

mixas84 [53]3 years ago
6 0
First solve for y with first equation:

3y = 13-6x      so    y = 13/3-2x

Plug that in with 2nd equation:

-9x-4(13/3-2x)=-17

-9x-52/3-8x=-17

-17x=-34 1/3

x = <u>34 1/3 </u>
       17

x = 103/51



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Madison likes to go to her local hair salon because she is a premier member there. Her membership fee costs $80.00 and that memb
OlgaM077 [116]

By evaluating a linear equation, we can complete the table:

Number of visits   |  total cost

      2                            $132

      4                            $184

      5                            $210

      8                            $288

<h3>How to fill the table?</h3>

We know that her membership fee costs $80.00, and it allows her to get her hair done for $26.00 for each visit, so if she does x visits, then the total cost for these x visits (including the membership fee) is:

c(x) = $80.00 + $26.00*x

So we have a linear equation that models the total cost.

Evaluating the equation in the values of the table we will get the other values.

c(2) = $80 + $26*2 = $132

c(4) = $80 + $26*4 = $184

c(5) = $80 + $26*5 = $210

c(8) = $80 + $26*8 = $288

Then the complete table is:

Number of visits   |  total cost

      2                            $132

      4                            $184

      5                            $210

      8                            $288

If you want to learn more about linear equations:

brainly.com/question/1884491

#SPJ1

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