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Alexeev081 [22]
2 years ago
8

Answer this equation 3x+y=-3​

Mathematics
1 answer:
bearhunter [10]2 years ago
3 0

Answer:

3x = -y - 3

divide both sides by 3

x = -1/3y - 1

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What is the radius of a sphere if its surface area is 2,122.64 square inches? (Use 3.14 for .)
Lady_Fox [76]
\bf \textit{surface area of a sphere}\\\\
SA=4\pi r^2~~
\begin{cases}
r=radius\\
------\\
SA=2122.64
\end{cases}\implies 2122.64=4\pi r^2
\\\\\\
\cfrac{2122.64}{4\pi }=r^2\implies \cfrac{530.66}{\pi }=r^2\implies \sqrt{\cfrac{530.66}{\pi }}=r
8 0
3 years ago
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Step-by-step explanation:

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Step-by-step explanation:

6 0
3 years ago
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3 0
3 years ago
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Find roots of the equation and state the multiplicity
olya-2409 [2.1K]

({x + 2})^{3}  =  {x}^{3}  + 6 {x}^{2} + 12x + 8
so the answer is
x =  - 2

7 0
3 years ago
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