Answer:
There will be 9 groups of 8 and 1 group of 6.
Step-by-step explanation:
78/8 = 9.75
This means there will be 9 groups of 8.
The .75 represents the smaller group.
The smaller group consists of 6 people.
You can find the amount of people from .75 x 8, which equals 6.
<u>Answer:</u>
5 hours was Aaron at the sitter
<u>Explanation:
</u>
Cost of baby sitting for the first hour: 10
Cost of baby sitting for additional hour= 12
Total cost of babysitting= 58
Since the cost of first hour is 10
Hence the remaining cost after first hour
= 54-10
=48
Which means 1 hour is consumed in the first hour
Now to calculate the remaining hours for every additional hour
= 
=4 hours
Hence the total hour Aaron was with the sitter
= 1 hour + 4 hours
= 5 hours
Answer: they do not have enough info but I will try my best to answer if im wrong its not my fault so please add more info
Solution
2. I know that for a Semi-Circle Area = 320 . From this find out Area of the Semi-Circle.
Solution:
Here Area=320(Given)
Area=
πr2
2
r2=
Area⋅2
π
r2=
320⋅2
22
7
r=14.2701
Diameter(d)=2r
=2⋅14.2701
=28.5402
Circumference=πr
=
22
7
⋅14.2701
=44.849
Perimeter=πr+2r
=
22
7
⋅14.2701+2⋅14.2701
=44.849+28.5402
=89.6979
Step-by-step explanation:
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Add everything up and u should get
