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A machinist measures the thickness of a grinding pad every week. The graph
shows how many millimeters the grinding pad has worn down. Answer parts a
and b.

A machinist measures the thickness of a grinding pad every week The graph shows how many millimeters the grinding pad has worn down Answer parts a and b class=

Respuesta :

Let's find rate of change(slope)

  • (2,10)
  • (4,20)

[tex]\\ \sf\longmapsto m=\dfrac{y_2-y_1}{x_2-x_1}[/tex]

[tex]\\ \sf\longmapsto m=\dfrac{20-10}{4-2}[/tex]

[tex]\\ \sf\longmapsto m=\dfrac{10}{2}[/tex]

[tex]\\ \sf\longmapsto m=5[/tex]

DᴀʀᴋPᴀʀᴀᴅᴏx

[tex]▪▪▪▪▪▪▪▪▪▪▪▪▪  {\huge\mathfrak{Answer}}▪▪▪▪▪▪▪▪▪▪▪▪▪▪[/tex]

Let's find the slope of given line (m) :

  • [tex] \dfrac{y2 - y1}{x2 - x1} [/tex]

  • [tex] \dfrac{30 - 0}{8 - 0} [/tex]

  • [tex] \dfrac{30}{8} [/tex]

  • [tex] \dfrac{15}{4} [/tex]

slope = 15/4 or 3.75 (using decimals)

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