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Questions and Answers
What is the bearing of Checkpoint B from Checkpoint A?
What is the bearing of Checkpoint B from Checkpoint A?
N22°E
If a runner travels at 12.6 km/h between Checkpoint A and Checkpoint B, how long will it take to cover 42 kilometers?
If a runner travels at 12.6 km/h between Checkpoint A and Checkpoint B, how long will it take to cover 42 kilometers?
3 hours and 20 minutes
How much does Provider A charge monthly for 500 kWh of electricity?
How much does Provider A charge monthly for 500 kWh of electricity?
$40 + (500 * 0.25) = $165
If Provider B charges 35 cents per kWh, what would be the total charge for 800 kWh?
If Provider B charges 35 cents per kWh, what would be the total charge for 800 kWh?
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Which provider is cheaper for a customer using 800 kWh, and by how much?
Which provider is cheaper for a customer using 800 kWh, and by how much?
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Study Notes
Checkpoint Navigation Problem
- Checkpoint C is located directly east of Checkpoint A.
- The bearing from Checkpoint A to Checkpoint B is N22°E.
- The bearing from Checkpoint B to Checkpoint C is S68°E.
- Distance between Checkpoint A and Checkpoint B is 42 km.
- Determine values of h and x to the nearest centimeter.
Runner's Travel Time
- Runner's speed is 12.6 km/h.
- Calculate travel time between Checkpoint A and Checkpoint B in hours and minutes.
Electricity Providers Comparison
- Provider A charges 25 cents per kilowatt hour (kWh) plus a $40 fixed monthly fee.
- Provider B charges 35 cents per kWh with no fixed monthly fee.
- A table is needed to calculate monthly charges for Provider A at different levels of usage.
- A graph should be created to depict charges from Provider B based on usage.
- Compare the two graphs to identify the point where both providers charge the same amount for kWh usage.
- For a usage of 800 kWh per month, analyze which provider offers a more economical option and calculate the cost difference.
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