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Answer:
Area of Circle 1=>64(pi) units^2
Area of Circle 2=>9(pi) units^2
Step-by-step explanation:
Circumference=2(pi)r
Circle 1: 2(pi)r=16(pi)
Divide by 2(pi) on both sides
r=8 units
Area=(pi)r^2
Area of circle 1=>(pi)*(8^2)
Area of Circle 1=>64(pi) units^2
Circle 2: 2(pi)r=6(pi)
Divide by 2(pi) on both sides
r=3 units
Area=(pi)r^2
Area of circle 2=>(pi)*(3^2)
Area of Circle 2=>9(pi) units^2
Answer:
Step-by-step explanation:
I am sorry but please give detailed question
8x+2.50=3.50
-2.50 -2.50 subtract both sides by -2.50
8x=1
8. 8 divide both sides by 8
x=1/8
is the difference between ![-2 r^{4}+3 r^{3}-20 \text { and } 4 r^{4}-p^{3}+2 r^{2}+7](https://tex.z-dn.net/?f=-2%20r%5E%7B4%7D%2B3%20r%5E%7B3%7D-20%20%5Ctext%20%7B%20and%20%7D%204%20r%5E%7B4%7D-p%5E%7B3%7D%2B2%20r%5E%7B2%7D%2B7)
Step-by-step explanation:
Given equations,
![-2 r^{4}+3 r^{3}-20 \text { and } 4 r^{4}-p^{3}+2 r^{2}+7](https://tex.z-dn.net/?f=-2%20r%5E%7B4%7D%2B3%20r%5E%7B3%7D-20%20%5Ctext%20%7B%20and%20%7D%204%20r%5E%7B4%7D-p%5E%7B3%7D%2B2%20r%5E%7B2%7D%2B7)
Difference of the polynomial is written as
![=-2 r^{4}+3 r^{3}-20-\left(4 r^{4}-p^{3}+2 r^{2}+7\right)](https://tex.z-dn.net/?f=%3D-2%20r%5E%7B4%7D%2B3%20r%5E%7B3%7D-20-%5Cleft%284%20r%5E%7B4%7D-p%5E%7B3%7D%2B2%20r%5E%7B2%7D%2B7%5Cright%29)
Open the brackets and multiply with -1 the whole expression
becomes
![=-2 r^{4}+3 r^{3}-20-4 r^{4}+p^{3}-2 r^{2}-7](https://tex.z-dn.net/?f=%3D-2%20r%5E%7B4%7D%2B3%20r%5E%7B3%7D-20-4%20r%5E%7B4%7D%2Bp%5E%7B3%7D-2%20r%5E%7B2%7D-7)
![=-6 r^{4}+4 r^{3}-2 r^{2}-17](https://tex.z-dn.net/?f=%3D-6%20r%5E%7B4%7D%2B4%20r%5E%7B3%7D-2%20r%5E%7B2%7D-17)
This is the difference of given two polynomials is
.