Answer:
D $45
Step-by-step explanation:
you would take the $350 and divide it by 80 an you get 4.375 than you round that to the nearest 5th
Answer:
1/5x+2
Step-by-step explanation:
Answer:
Yes
Step-by-step explanation:
In order to make a triangle with non-zero area, the sum of the shorter two sides must be greater than the longest side.
Here, 4 + 4 > 7, so the lengths can form a triangle.
Answer:
a)
b)
Step-by-step explanation:
Data
Brine a (Ba)
Brine b (Bb)
we have that per every minute the amount of solution that enters the tank is the same as the one that leaves the tank (15 Lt / min)
, then the amount of salt (y) left in the tank after (t) minutes:
Finally:
a)
b)
being y(t) the amount of salt (y) per unit of time (t)