Answer:
38 pages per hour
Step-by-step explanation:
Rate of reading =
By substituting the given values in the question,
Total number of pages read by Davida = =
Time taken by Davida = 45 minutes
Since, 1 minute = hours
Therefore, 45 minutes = hours
Rate of reading =
=
= 38 pages per hour
Therefore, rate of reading by Davida is 38 pages per hour.
Answer:
7
Step-by-step explanation:
formula for circumference of a circle is d
7 =
d
d = 7
Answer: She needed 144 square feet of carpet.
Step-by-step explanation:
Given : Maria is buying new carpet. Her bedroom is in the shape of a square.
The length of each side is 12 feet.
We know that the area of square =
So , the area of the bedroom = [which is an exponential expression]
Simplify it
The area of the bedroom =
Also, the carpet she needed = Area of the bedroom.
Thus , She needed 144 square feet of carpet.