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34kurt
4 years ago
11

a hunter observes that the interval between a lightning flash and thunder clap that followed is 15 beat of his pulse. If his pul

se rate is 75 per minute and sound in air is 330m/s, how far is the thunderstorm​
Mathematics
1 answer:
Arturiano [62]4 years ago
8 0

Answer:

3600 m or 3.6 km

Step-by-step explanation:

The first thing is to take into account that the pulse rate is equal to 75 per minute, or what is the same as 75 beats per 60 seconds, then we must know how many seconds would be 15 beats:

15 beats * 60 seconds / 75 beats = 12 seconds

Therefore, we know that the velocity is equal to:

v = d / t

We know the time and the speed, therefore:

d = v * t

replacing

d = 300 * 12

d = 3600

is located at 3600 meters or 3.6 km

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Neporo4naja [7]

( Don't cheat, use your own words) He is correct. 9 x 8 = 72

He can check his math by doing 72 ÷ 9 = 8 and 72 ÷ 8 = 9

8 0
3 years ago
Can some body help me with this geometry question please I need the answer asap
velikii [3]
A.)  m∠EBD = m∠EBC - m∠CBD = 140 - 35 = 105

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4 0
4 years ago
The Wikipedia article on the length of dictionaries suggests there are 171,476 unique words in the English language. How many un
katrin2010 [14]

Answer:

806 million years

Step-by-step explanation:

From the information given:

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Thus, the no. of unique books possible of length till K is:

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where K = 6, we have the value to be:

= 25420530373932821216635722990977

Thus, the time required to write all possible texts of 6 is:

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8 0
3 years ago
I’ll mark brainliest
Zolol [24]

Answer:

4, 12

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3 years ago
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31.96

Step-by-step explanation:

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