Imamdiallo18
25.11.2020 •
Mathematics
4. f(x) = 1/2x - x?
f(8) =
a. 64
b. -68
C. 68
d. -60
Solved
Show answers
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Ответ:
Number 1 is 128.52 Number 2 is 18.56
Step-by-step explanation:
Find the area of the partial circle
Diameter is 6 so the radius is 3
A=
A=2*3.14*
=9
A= *3.14*9
A=28.26
Now find the area of the rectangle
A=lw
A=6*12
A= 72
Add both of the answers
Answer is 128.52
Number 1
For triangle
A=1/2bh
A=1/2*3*4
A=1/2*12
A=6
Find the area of the circle
Diameter is twice a radius so the radius would be 2
A=
A=3.14*
A=3.14*4
A=12.56 Add it to 6
A=18.56