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tia_tia [17]
2 years ago
11

Consider this complex fraction. 10|3|2|3

Mathematics
1 answer:
JulijaS [17]2 years ago
8 0

Step-by-step explanation:

=  \frac{ \frac{10}{3} }{ \frac{2}{3} }

=  \frac{10}{3}  \div  \frac{2}{3}

=  \frac{10}{3}  \times  \frac{3}{2}

=  \frac{9 + 1}{3}  \times  \frac{3}{2}

= 3 \frac{1}{3}  \times  \frac{3}{2}

= 3 \frac{1}{3} .( \frac{3}{2} )

The answer is B.

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<u>Speed of Sound</u>

The speed of sound is not constant with temperature. Generally speaking, the greater the temperature, the greater the speed of sound.

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\displaystyle v_{\mathrm {s} }=(331.3+0.606\cdot T )~~~\mathrm {m/s}

The air is at T=20°C, thus the speed of sound is:

\displaystyle v_{\mathrm {s} }=(331.3+0.606\cdot 20 )~~~\mathrm {m/s}

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The speed of sound at 20°C is 343.42 m/s.

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