Answer:
60 hours
Step-by-step explanation:
Let X be the total capacity.
Inlet speed: X/15
Outlet speed: X/20
Combined:
X/15 - X/20 = X/60
X/60 = X/time
Time = 60 hours
17.32 deal with it aaaaaaaaaaaaaaaaa
Answer:
x < 55 x+55=90 so 90-55= 35 x=35
Step-by-step explanation:
Answer:
the answer is 3 toy car for 7.50
Step-by-step explanation:
7.50 x 2 = 15 for 6 toys
16.45 for 7 toys
The linear approximation means that you assume the function is linear. So, just do :
f(5) + f'(5) (x-5)
This works out, in this specific case
3 + 4 (- 0.2)
Hope this helps
