Answer:
20ml in 1 minute. 1000ml is equal to 1 litre.
Step-by-step explanation:
1000/20 = 50
. 50 minutes will take to fill a litre
Answer:
The answer to your question is (x + 3)
Step-by-step explanation:

Factor the expression

Simplify
Cancel 5 because is in both numerator and denominator
Cancel (x + 1) because is in both numerator and denominator
Cancel (x - 1) because is in both numerator and denominator
Cancel x² because is in both numerator and denominator
After simplifying, the result is (x + 3)
Answer:
its D
Step-by-step explanation:
..............................
180-65
Answer:
Step-by-step explanation:
d(t)=-2t^2+9t+18
calculate the derivate : f'(t) = - 4t+9
f'(t) = 0 : - 4t+9= 0 so t = 9/4
the maximum value is f(9/4) = ....... continue