Answer:
6 13/20 hours
Step-by-step explanation:
Addition of fractions requires they be expressed using a common denominator. Here, that will be 5·4 = 20, and the two fractions can be written as ...
2/5 = 8/20
1/4 = 5/20
Then the sum of the mixed numbers is ...
(4 2/5) +(2 1/4) = (4 +2) +(2/5 +1/4) = 6 +(8/20 +5/20)
= 6 13/20
It took Kareem 6 13/20 hours to clean the two rooms.
Area of a circle is Pi multiplied by radius squared
So, we do 3.142*2squared
Which gives you 12.568
so the area of the circle is 12.568 metres squared
Answer:
10,935 meters.
Step-by-step explanation:
Find how many meters she walks in 1 week, so you add the 1,720 and the 1,925 and you would get 3,645. If she does the same thing for 3 weeks, you multiply the 3,645 by 3, so you get 10,935 meters
1 yard = 3 feet.
Divide total feet by 3 feet to find the number of yards:
27 / 3 = 9 yards.
Answer:
15 degrees lower
Step-by-step explanation:
When you are trying to find the difference between a negative and positive number, add both numbers and you will get the difference. In this case it was 15.
Sorry, math isn't my strongest suit, but i hoped this helped!