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Kobotan [32]
3 years ago
9

Sound travels through air at about 344 meters per seconds when the temp. is 20 degrees c. If Enrique lives 2 kilometres from the

fire station and it takes 5 seconds of the fire station siren to reach him, how can you prove indirectly that it's not 20 degrees Celsius when Enrique hears the siren?
Mathematics
1 answer:
Vaselesa [24]3 years ago
8 0

Answer:

(344*20)  +  ( 2*20)  = (20*2) = ?

Step-by-step explanation:

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70

Step-by-step explanation:

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3 years ago
9/8 divided by 3/8<br><br> 3/5 divided by 2/3
suter [353]
9/8 divided by 3/8 is 3 (because of the same denominator look at the first number)

3/5 divided by 2/3 is 0.9 hope this helps
8 0
2 years ago
7
Sonja [21]

Answer:

<u>Volume</u><u>:</u> 1135.82 yd³

<u>Surface Area</u><u>:</u> 657.12 yd²

Step-by-step explanation:

V = whl

12.2 · 9.8 · 9.5

1135.82

A = 2(wl + hl + hw)

2 · (12.2 · 9.5 + 9.8 · 9.5 + 9.8 · 12.2)

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3 0
3 years ago
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How do I put improper fractions in order on a number line? Ex: these 3 fractions are out of order 4/3, 7/3 and 17/9 where does t
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