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miss Akunina [59]
3 years ago
6

Please answer this im dying here

Mathematics
2 answers:
lara [203]3 years ago
4 0
t\geq-273\\\\
358=20\sqrt{273+t}\\
17.9=\sqrt{273+t}\\
320.41=273+t\\
t=47.41\approx47
kherson [118]3 years ago
3 0
v=20\sqrt{273+t};\ t > 0
We have
v=358\ m/s
substitute
20\sqrt{273+t}=358\ \ \ |:20\\\\\sqrt{273+t}=17.9\ \ \ |square\ both\ sides\\\\273+t=320.41\ \ \ \ |-273\\\\t=47.41\approx47
Answer: 47°C
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