3 years ago

HELP ASAP How many times will the digit '3' appear if we write all whole numbers from 1 to 99?

Mathematics

2 answers:

Liula [17]3 years ago

8 0

Answer:3,13,23,30,31,32,33,34,35,36,37,38,39,43,53,63,73,83,93

Step-by-step explanation:

You gotta count I did this quick

Alekssandra [29.7K]3 years ago

8 0

The digit ‘3’ will appear 20 times

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pashok25 [27]

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3 years ago

<img src="https://tex.z-dn.net/?f=%5Cfrac%7B1%7D%7B%5Csqrt%7Bx%7D%205%7D" id="TexFormula1" title="\frac{1}{\sqrt{x} 5}" alt="\fr

murzikaleks [220]

Answer:

$\frac{ \sqrt{5x} }{5x}$

Step-by-step explanation:

$\frac{1}{ \sqrt{x5} }$

$= \frac{1}{ \sqrt{5x} }$

$= \frac{1}{ \sqrt{5x} } \times \frac{ \sqrt{5x} }{ \sqrt{5x} }$

$= \frac{1 \sqrt{5x} }{ \sqrt{5x \sqrt{5x} } }$

$= \frac{\sqrt{5x} }{ \sqrt{5x \sqrt{5x} } }$

$= \frac{ \sqrt{5x} }{5x}$

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katovenus [111]

Answer:

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Step-by-step explanation:

The angle is acute,which means under right triangle's usual size.

You need at least 90 cm to have a right triangle so no she is incorrect

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