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tiny-mole [99]
3 years ago
14

a professor needs 2025 sheets of paper to print his classroom materials.Paper comes in packs of sheets.How many pack will the pr

ofessor need to buy to print all of his materials?
Mathematics
1 answer:
Leto [7]3 years ago
8 0
He would need to buy 4 packs of paper to print all of the material.
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What the y-intercept of (8,0) and (3,7)
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Answer:

\sf \bf y - intercept = \dfrac{56}{5}

Step-by-step explanation:

Y-intercept:

   (8,0)  ; x₁ = 8 & y₁ = 0

   (3,7)   ; x₂= 3  & y₂ = 7

  • First find the slope of the line.

      \sf \boxed{\bf Slope =\dfrac{y_2-y_1}{x_2-x_1}}

                  \sf = \dfrac{7 - 0}{3 - 8}\\\\ =\dfrac{7}{-5}\\\\=\dfrac{-7}{5}

 slope y-intercept form of the line:  y = mx + b

Substitute the slope and x and y in the above equation. We can choose anyone of the given points.

     0 = \dfrac{-7}{5}*8 + b\\\\0=\dfrac{-56}{5}+b\\\\\dfrac{56}{5}=b\\\\ \boxed{\bf b = \dfrac{56}{5}}

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Step-by-step explanation:

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