3 years ago

(っ◕‿◕)っ Please help Asap, Tysm!

Mathematics

1 answer:

storchak [24]3 years ago

8 0

Answer:

40.8

Step-by-step explanation:

When you divide 350 by 51 you get 6.8. Multiply that by 6 you get 40.8

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Find a common solution for each system of equations:<br> y=3x+5<br> y=-5x-3

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$\left\{\begin{array}{ccc}y=3x+5\\y=-5x-3\end{array}\right\\\\substitution\ method\\\\3x+5=-5x-3\\3x+5x=-3-5\\8x=-8\ \ \ \ \ /:8\\x=-1\\\\y=3(-1)+5=-3+5=2\\\\Solution:x=-1\ and\ y=2.$

$graphing\ method\\\\ \left\{\begin{array}{ccc}y=3x+5\\y=-5x-3\end{array}\right\\------------------\\y=3x+5\\y-intercept\ (x=0)\\y=3(0)+5=5\\(0;\ 5)\\x-intercept\ (y=0)\\3x+5=0\\3x=-5\\x=-\frac{5}{3}\\(-\frac{5}{3};\ 0)\\---------------------$
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