15 : 75 ratio to fraction
1 answer:
It would be 1/5. if you first divide both sides by 5 you get 3 over 15 then when you simplify by dividing by 3 you get 1/5
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Answer:
d disputar se não for setas mi disputa amigo
Check the picture below.
![\textit{area of a circular ring}\\\\ A=\pi (R^2-r^2)~~ \begin{cases} r=\stackrel{smaller}{radius}\\ R=\stackrel{larger}{radius}\\[-0.5em] \hrulefill\\ r=2\\ R=3 \end{cases}\implies \begin{array}{llll} A=\pi (3^2-2^2)\implies A=5\pi \\\\\\ A\approx 15.71 \end{array}](https://tex.z-dn.net/?f=%5Ctextit%7Barea%20of%20a%20circular%20ring%7D%5C%5C%5C%5C%20A%3D%5Cpi%20%28R%5E2-r%5E2%29~~%20%5Cbegin%7Bcases%7D%20r%3D%5Cstackrel%7Bsmaller%7D%7Bradius%7D%5C%5C%20R%3D%5Cstackrel%7Blarger%7D%7Bradius%7D%5C%5C%5B-0.5em%5D%20%5Chrulefill%5C%5C%20r%3D2%5C%5C%20R%3D3%20%5Cend%7Bcases%7D%5Cimplies%20%5Cbegin%7Barray%7D%7Bllll%7D%20A%3D%5Cpi%20%283%5E2-2%5E2%29%5Cimplies%20A%3D5%5Cpi%20%5C%5C%5C%5C%5C%5C%20A%5Capprox%2015.71%20%5Cend%7Barray%7D)
Answer:
-3
Step-by-step explanation:
4n+ 6 = -18
4n=-24
n = -6
-6,-5,-4,-3
largest is -3
36/2=18
18/14+c +18/14-c=2.8
18(14-c)+18(14+c)=2.8(196-c²)
504=548.8-2.8c²
2.8c²=44.8
c²=16
c=±4
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