SOLUTION: Distance Traveled At noon a bicyclist is 50 miles from home, riding toward home at 10 miles per hour.(a) Make a table that shows the bicyclist’s distance D from home after 1, 2, 3,
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Question 567323: Distance Traveled At noon a bicyclist is 50 miles from home, riding toward home at 10 miles per hour.(a) Make a table that shows the bicyclist’s distance D from home after 1, 2, 3, 4, and 5 hours. (b) Write a formula that calculates the distance D from home after x hours.(c) Use your formula to determine D when hours. Does your answer agree with the value
shown in your table? (d) For what times was the bicyclist at least 20 miles
from home? Assume that 0 # x #
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
At noon a bicyclist is 50 miles from home, riding toward home at 10 miles per hour.
:
It's easier if you write the equation first:
D = 50 - 10x
:
(a) Make a table that shows the bicyclist’s distance D from home after 1, 2, 3, 4, and 5 hours.
Use the equation to make the table
x | d
-------
1 | 40
2 | 30
3 | 20
4 | 10
5 | 0, he's home
;
(b) Write a formula that calculates the distance D from home after x hours.
we did
;
(c) Use your formula to determine D when ?? hours. Does your answer agree with the value shown in your table?
:
(d) For what times was the bicyclist at least 20 miles
from home?
x =< 3 hrs
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