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mixas84 [53]
3 years ago
11

Please help i’m stuck in this and don’t know what to do

Mathematics
1 answer:
Sergio039 [100]3 years ago
8 0
4 unit rate is 124. 5 unit rate is 16 6 unit rate is 60
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Find the value of y in the solution to the system of equations shown.
Kryger [21]

Answer:

C.  y = 20

Step-by-step explanation:

Given system of equations:

\begin{cases}3y = 18x + 6\\y = 2x + 14\end{cases}

Multiply the second equation by 3:

\implies (3)y=(3)2x+(3)14

\implies 3y=6x+42

Subtract this from the first equation to eliminate 3y:

\begin{array}{r l}3y & = 18x+6\\-\quad3y&=6x+42\\\cline{1-2}0&=12x-36\end{array}

Solve the resulting equation for x:

\implies 12x-36=0

\implies 12x=36

\implies x=3

Substitute the found value of x into the original second equation and solve for y:

\implies y=2(3)+14

\implies y=6+14

\implies y=20

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2 years ago
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zhenek [66]

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isn't it that a parallelogram has 6 sides and these are 4?????????............

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3 years ago
Below are \triangle ABC△ABCtriangle, A, B, C and \triangle DEF△DEFtriangle, D, E, F. We assume that AB=DEAB=DEA, B, equals, D, E
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Words<br> a. Divide the difference<br> between 1,200 and 700 by 5
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Step-by-step explanation:

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