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3 years ago

5

Which is an irrational number?

2 answers:

ipn [44]3 years ago

7 0

Answer:

A

Step-by-step explanation:

The square root of 13 is non repeating and non terminating.

4vir4ik [10]3 years ago

5 0

Answer:

A

Step-by-step explanation:

Which is an irrational number?

A i think

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Two similar cones have volume of 4 m and 108 m respectively. If the large one has surface area 54 m, find the surface area of th

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$\displaystyle\bf\\Explanations:\\\\The~similarity~ratio~of~two~similar~cones=k\\\\k=is~the~ratio~between~2~corresponding~lengths\\\\k=\frac{R_1}{R_2}=\frac{h_1}{h_2}\\\\The~ratio~between~2~corresponding~areas~of~similar~cones=k^2\\\\\frac{Area~1}{Area~2}=k^2\\\\The~ratio~between~the~volumes~of~the~2~similar~cones=k^3\\\\\frac{Volume~1}{Volume~2}=k^3$

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$\displaystyle\bf\\Solving:\\\\Volume1=108~m^3\\\\Volume2=4m^3\\\\k^3=\frac{108}{4}\\\\k^3=27~~\Big|\sqrt{~}\\\\k=\sqrt[\b3]{27}\\\\k=3\\\\Area1=54~m^2\\\\\frac{Area~1}{Area~2}=k^2\\\\\frac{54}{Area~2}=3^2\\\\\frac{54}{Area~2}=9\\\\Area2=\frac{54}{9}\\\\\boxed{\bf Area2=6 m^2}$

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3 years ago

Plz help pre calc!!!!

Montano1993 [528]

The correct answer is 8

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Doss [256]

Answer:

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Step-by-step explanation:

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3 years ago

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