Answer:
105.12 ft²
Step-by-step explanation:
Let's first find the area of the rectangle.
ft², so the rectangle has an area of 80ft².
To find the area of the semi-circle, we find the area of a whole circle and divide by two.
The formula to find the area of a circle is
. The radius is 4, as the diameter is 8.



Add 80 and 25.12:

Hope this helped!
Answer:
48:76 would be 48/76 which would reduce to 12/19.
20:4 would be 5/1 reduced or just 5.
When completing the square <span>x=9.12311 and </span><span>x=<span>0.876894</span></span>
The value missed is 1 min / 60 seconds
<h3>What is unit conversion?</h3>
Units is the conversion between different units of measurement for the same quantity, typically through multiplicative conversion factors.
To convert 720 seconds to hour,
First convert second to minutes divide by 60 and then again convert minutes to hour again divide by 60.
So,
720 seconds * ( 1 minutes / 60 seconds) * ( 1 hour / 60 minutes)
= 12 hours.
Learn more about this concept here:
brainly.com/question/4736731
#SPJ1
70 laps in 40 hours
1/2+1/2=4
35+35=70
I think