Two busses leave Billings at the same time. The Seattle bus heads west on I-90 at a speed of 73 miles per hour while the Chicago
2 answers:
Answer:
After 3.5 hours buses will be 532 miles apart.
Step-by-step explanation:
Here one bus is moving west and other is moving east. That is they are moving in opposite direction.
Velocity of Seattle bus = 73 miles per hour west
Velocity of Chicago bus = 79 miles per hour east
Relative velocity = 73 + 79 = 152 miles per hour
We need to find time for which for their separation 532 miles.
Time,
After 3.5 hours buses will be 532 miles apart
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y = mx + b
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34y = -14x + 1
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y = mx + b
To do so, 14x + 34y = 1 turns to:
34y = -14x + 1
Divide both sides by 34:
Simplified:
Answer:
Here is the graph: