Answer:
1; -11+ 26 =15
2: 2- (-3) =5
3: 10+ (-4) = 7
4: 11 + -8 =3
5: -2 + 3 =1
6: 8 - 12 = -4
Step-by-step explanation:
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8+x = 22
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Answer:
3b-2
Step-by-step explanation:
Answer:
144
Step-by-step explanation:
V=PIr^2h
PI=3
V=3r^2h
r=2 h=12
V=3(2^2)12
V=3(4)12
V=12(12)
V=144in^3
Step 1) Find out how much of the circle we need to find the area of
In the missing piece of the circle, we can see a right angle, or 90 degrees. Let's find the fraction of the circle that is remaining.
360 - 90 = 270
Remaining fraction: 270/360 = 3/4
Step 2) Find the area of the whole circle
A = pi x r^2
A = pi x 4^2
A = 16pi
Step 3) Use the fraction we found in step 1 and multiply that fraction by the area of the whole circle
16pi x 3/4 = 12pi
A = 12pi = 37.68 units^2
Hope this helps! :)
