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ANEK [815]
3 years ago
15

11. You pay $24.50 for 10 gallons of gasoline and one

Mathematics
1 answer:
Cloud [144]3 years ago
6 0
Ummm this confuses me a bit
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Answer:

x

=

0

y

=

−

2

Explanation:

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3

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−

8

3

x

+

16

y

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−

32

(

3

x

−

3

x

)

+

(

4

y

−

16

y

)

=

(

−

8

−

(

−

32

)

)

(

0

)

+

(

−

12

y

)

=

(

−

8

+

32

)

−

12

y

=

24

y

=

−

2

now use either original equation to solve for

x

:

3

x

+

4

y

=

−

8

3

x

+

4

(

−

2

)

=

−

8

3

x

−

8

=

−

8

3

x

=

0

x

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0

6 0
3 years ago
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Verizon [17]
\bf \textit{difference of squares}&#10;\\ \quad \\&#10;(a-b)(a+b) = a^2-b^2\qquad \qquad &#10;a^2-b^2 = (a-b)(a+b)\\\\&#10;-------------------------------\\\\&#10;4x^2-9=0\implies 2^2x^2-3^2=0\implies (2x)^2-3^2=0&#10;\\\\\\\&#10;[(2x)-3][(2x)+3]=0\implies &#10;\begin{cases}&#10;2x-3=0\\&#10;2x=3\\&#10;x=\frac{3}{2}\\&#10;------\\&#10;2x+3=0\\&#10;2x=-3\\&#10;x=-\frac{3}{2}&#10;\end{cases}
7 0
3 years ago
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