Solve 55=(t^2−t)/2 for t
t2−t=110
t2−t−110=0
(t−11)(t+10)=0
t=11
Y=3X whereas Y is the total number of bacteria and X is the number of hours that have passed.
The answer is C.40 !!!
hope that this helps
Answer:
the answer = 8/21
Step-by-step explanation:
it is 8/21 because to get the fractions to the same denominator u most change them, that would be 5/15=7/21 and 7/8=18/21
then divide 7/21 by 18/21, keep change flip, then BOOM, you've gotten your answer
I hope this helps you
Volume=height × base× length
175=7×base^2
25=base^2
base=5
