You must try to remove one of the unknown variables from the system by multiplying one in a way that when adding (or subtracting) one to another “makes it disappear” and so whatever value you get can be substituted back in to get the other unknown!
Answer:
# 1,3 and 6
Step-by-step explanation:
The 2 statements are identical even if one has absolute value
Answer:
1 lap in 8/10 (4/5) of a minute
Answer is B, 8/10 minute! or 4
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Step-by-step explanation:
Answer:True
Step-by-step explanation:
Average speed refers to the total distance covered in a specific time . it also a scalar quantity (has magnitude but no direction)
Average speed=distance / time
-Speed is in kilometers/hours or meter/seconds
-distance is in kilometers or meters
-time is in hours or seconds
