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nignag [31]
3 years ago
11

A machine adds metal bands called ferrules and erasers to one end of a pencil. It takes the machine 2.5 hours to add ferrules an

d erasers to 4,200 pencils. How many pencils does this machine process per minute?
Mathematics
1 answer:
andreev551 [17]3 years ago
3 0

Answer:

28

Step-by-step explanation:

Convert 2.5 to minutes = 150 minutes. Then divide 4200/150 which gives you 28 per minute

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Answer:

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Step-by-step explanation:

Look for y values at each of those given values of "x" and apply the slope formula.  When x = pi. y = -1 so the coordinate is (\pi,-1).  When x = 3pi/2, y = 2 so the coordinate is (\frac{3\pi }{2},2)

Plug those values into the slope formula:

\frac{2-(-1)}{\frac{3\pi }{2}-\pi}

You need a common denominator of pi:

\frac{3}{\frac{3\pi-2\pi}{2} }=\frac{3}{\frac{\pi }{2} }

Do the math on that to get a slope of \frac{6}{\pi } =1.9099

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4 years ago
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