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Karo-lina-s [1.5K]
3 years ago
5

PLEASE HELP! Explain how you solved!

Mathematics
1 answer:
inysia [295]3 years ago
7 0
So the first line is showing a steady speed which is going away.
The straight line is showing that it's stationary (not moving)
And the last line is showing that its returning to the start
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annual

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3.) mr. smith’s class sold wrapping paper for $3.50 each and mr. davis’ class sold magazines for $2.75 each. together, the class
igor_vitrenko [27]

Answer:

The number of wrapping paper sold was 32 and the number of magazines sold was 40

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x ----> the number of wrapping paper sold

y ----> the number of magazines sold

we know that

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so

x+y=72 ----> equation A

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Remember that the solution of the system of equations is the intersection point both graphs

using a graphing tool

The solution is (32,40)

see the attached figure

therefore

The number of wrapping paper sold was 32 and the number of magazines sold was 40

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