Answer:
A 0.8t equal 10000 bacteria B. 160,000 bacteria C. 2.5 minutes
Step-by-step explanation:
(20000-10000)/t equal to (100,000-10000)/(t+10)
Answer:
A blood bank needs 9 people to help with a blood drive. 12 people have volunteered. Find how many different groups of 9 can be formed from the 12 volunteers.
Step-by-step explanation:
A blood bank needs 9 people to help with a blood drive. 12 people have volunteered. Find how many different groups of 9 can be formed from the 12 volunteers.
Answer:
A.
C.
Step-by-step explanation:
- (Given equation)
Absolute value is always positive, unless there is a negative sign outside of the lines
Answer:
=
Step-by-step explanation:
Given
= =
This can be expressed in 2 parts as
= ( cross- multiply )
3x = 10 ( divide both sides by 3 )
x =
and
= ( cross- multiply )
2y = 15 ( divide both sides by 2 )
y =
Thus
= = × ( cancel 10 and 15 by 5 )
= × =