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Anettt [7]
3 years ago
10

Can i get some help? This problem isnt to hard but im just brain dead right now.

Mathematics
2 answers:
Katyanochek1 [597]3 years ago
7 0

❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤

({2y})^{3}  + 3x =

----------------------------------------------------------

x = 5 \:  \:  \:  \: and \:  \:  \: y = 3

----------------------------------------------------------

({2 \times 3})^{3}   + 3(5) =

{6}^{3}  + 15 =

216 + 15 = 231

❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤

IRINA_888 [86]3 years ago
3 0

Answer:

231

Step-by-step explanation:

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In both cases, we can use a rule of three.

<h2>First part</h2>\begin{gathered} 20\text{ students}\rightarrow100\text{\%} \\ 4\text{ students}\rightarrow x \\ x=\frac{4\text{ students}\cdot100\text{\%}}{20\text{ students}} \\ x=\frac{4\cdot100\text{\%}}{20} \\ x=\frac{400\text{\%}}{20} \\ x=20\text{\%} \end{gathered}

Therefore, 4 students correspond to 20% of 20 students in total.

<h2>Second part</h2>\begin{gathered} 25\text{ doctors}\rightarrow100\text{\%} \\ 2\text{ doctors}\rightarrow x \\ x=\frac{2\text{ doctors}\cdot100\text{\%}}{25\text{ doctors}} \\ x=\frac{2\cdot100\text{\%}}{25} \\ x=\frac{200\text{\%}}{25} \\ x=8\text{\%} \end{gathered}

Therefore, 2 doctors correspond to 8% of 25 doctors in total.

4 0
1 year ago
The cylinder has a volume of 12pi cubic inches and a diameter of 4 inches. Find the cylinders radius and height. The cylinders r
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<h3>          The cylinder's radius is <u> 2 </u> inches </h3><h3>                and it’s height is <u> 3 </u> inches.</h3>

Step-by-step explanation:

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