Answer:
90 minutes
Step-by-step explanation:
Let m represent the number of minutes Juliene practiced on Monday. Then her total for the two days is ...
m + x/2 = 135 . . . . minutes
3/2m = 135 . . . . . . collect terms
m = (2/3)(135) = 90 . . . . minutes
Juliene practiced for 90 minutes on Monday.
Answer:
The correct answer option is: Isabella should have divided the product of
and 9 by 3 to get 
Step-by-step explanation:
We are given a diagram of a cone with height
and area of the base (circle)
.
Isabella uses the equation
and we are to find the error that she is making in finding the volume of this cone.
The volume of a cone is given by:
out of which
represents the area of the base (circle).
Therefore, Isabella should have divided the product of
and 9 by 3 to get
.