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Mathematics
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OpenStudy (futureboy1):
will fan and medal
10 years ago
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OpenStudy (futureboy1):
A cyclist rode at a constant speed as shown in the graph. After 5 seconds, he had traveled 70 feet.
Use the graph to find how far the cyclist had traveled after 10 seconds.
feet
Graph of distance and time - assessment graphic
10 years ago
OpenStudy (anonymous):
Can you post the graph?
10 years ago
OpenStudy (futureboy1):
i think its 150 feet
10 years ago
OpenStudy (anonymous):
no
10 years ago
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OpenStudy (futureboy1):
why not
10 years ago
OpenStudy (welshfella):
follow the vertical line form t = 10 and see where it cuts the graph
10 years ago
OpenStudy (anonymous):
140
10 years ago
OpenStudy (anonymous):
When the x-value is 10, what is the y-value? Look:
10 years ago
OpenStudy (welshfella):
|dw:1449337517230:dw|
10 years ago
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OpenStudy (welshfella):
X is the mileage
10 years ago
OpenStudy (futureboy1):
think about it at 10 seconds reaches 140 feet so another second it would have reached 150 feet
10 years ago
OpenStudy (anonymous):
140 is your answer
10 years ago
OpenStudy (anonymous):
I see. "After 10 seconds" doesn't mean "11 seconds," it means "10 after 0."
10 years ago
OpenStudy (welshfella):
- you want the mileage at t = 10 not t = 11
10 years ago
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OpenStudy (futureboy1):
oh i get it thank you
10 years ago
OpenStudy (anonymous):
yes
10 years ago
OpenStudy (anonymous):
thanks
10 years ago
OpenStudy (futureboy1):
@verlieren give @welshfella a medal
10 years ago
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