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dedylja [7]
3 years ago
5

19. Martin wants to buy a new CD player. The

Mathematics
1 answer:
Alex777 [14]3 years ago
6 0

Answer:

$131.25

Step-by-step explanation:

175×0.25=43.75

175-43.75=131.25

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10. Write an equation in point-slope form and slope-intercept form for the line.
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We can use the points (2, -2) and (4, -1) to solve.

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Solve for y-intercept.

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3 years ago
Help!!!!! Not the top one by the way..!
OverLord2011 [107]

Answer:

\large\boxed{x=-3\ and\ y=-11\to(-3,\ -11)}

Step-by-step explanation:

\underline{+\left\{\begin{array}{ccc}-6x+y=7\\3x-y=2\end{array}\right}\qquad\text{add both sides of the equations}\\\\.\qquad-3x=9\qquad\text{divide both sides by (-3)}\\.\qquad\boxed{x=-3}\\\\\text{Put the value of x to the first equation:}\\\\-6(-3)+y=7\\18+y=7\qquad\text{subtract 18 from both sides}\\\boxed{y=-11}

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3 years ago
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