The average speed is 8 miles/hour
Step-by-step explanation:
The course is 2/5 of a mile long, this means it is 0.4 miles long.
Distance covered in 4 laps will be ; 4×0.4=1.6 miles
Time taken to cover the four laps = 12 minutes = 12/60 hours = 0.2 hrs
Average speed = Distance/ time
Average speed = 1.6/0.2 = 8 miles/hour
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Average speed :brainly.com/question/5898263
Keywords: average, speed, laps, course, miles per hour, competition
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Answer:
4x - 8 = 9
Step-by-step explanation:
Hope this helps! :)
Please choose me! I was first! :) PLS BRAINLIEST I NEED ONE MORE! :(
Answer:
at first : circumference = 25.12 = pi*d--------> d= 25.12/ pi
after one minute: circumference = 75.63= pi*d-------> d= 75.63/pi
Step-by-step explanation:
A) minute 1) diameter = 7.995946004446154 mm
minute 2) diameter = 24.07378170048816 mm
(I'll assume that you can round if necessary)
B) The diameter of the new ink spot is roughly 3X larger
(technically 3.01074841 X larger)
Answer:
<h2>
6.79</h2>
Step-by-step explanation:
According to Question,
Squaring on both sides
Calculate
Let's check :
If we multiply 6.79 by itself, then the result will be approximately 46.
Hope this helps..
Best regards!!
Do both as equation it will make it easier for her