Answer:
Average speed
= 5 5/6 mph , or
= 5.83 mph (to 2 decimals)
Step-by-step explanation:
Average speed is total distance divided by the total time it takes to cover the given distance.
Since uphill = 5 mph, and downhill = 7 mph, we know the average speed is between 5 and 7 mph.
Let
x = distance uphill, and also distance downhill.
Total distance = 2x miles
Total time = x/5 + x/7 hours = 12x/35 hours
Average speed
= total distance/total time
= 2x / (12x/35) mph
= 70x / 12x
= 5 5/6 mph
= 5.83 mph (to 2 decimals)
Answer:
c d a d
Step-by-step explanation:
i got it correct
Given:
To find:
The value of f(3).
Solution:
We have,
...(i)
Substituting 
in (i), we get
Substituting in the above equation, we get
Now, substituting 
in (i), we get
Substituting in the above equation, we get
Therefore, the value of f(3) is 75.
Answer:
3 over 8
Step-by-step explanation:
It's three ticks to the right of zero, so its positive
Answer:
39 nights.
Step-by-step explanation:
If Shelby can knit 1 centimeter per night, the amount of centimeters = the amount of nights.
Equation:
47-8=39
39 nights.
Hope this helps! :) :)
