At an Internet store,a laptop computer costs $724.99.At a local store, the same computer costs $879.95.What is the difference in
2 answers:
You might be interested in
Answer:
Step-by-step explanation:
Given
Required
Equivalent expressions
No option were given; So, I will list out some possible equivalent expressions.
Using distributive property:
So, we have:
----- (1)
Another:
Another:
Another:
Another:
Answer:
i) 1350 m
ii) 5400 m
Step-by-step explanation:
<u>Formula for Speed</u>
Rearrange the formula so that Distance is the subject:
Given:
- Speed = 45 m/s (meters per second)
- Time = 30 seconds
Substitute the given values into the formula for distance:
Given:
- Speed = 45 m/s (meters per second)
- Time = 2 minutes
As the time is given in a different unit of time as the speed, we must first convert the time into seconds:
1 minute = 60 seconds
⇒ 2 minutes = 60 × 2 = 120 seconds
Therefore:
- Speed = 45 m/s (meters per second)
- Time = 120 seconds
Substitute the values into the formula for distance: