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Yanka [14]
3 years ago
13

Answer for 25 points :)

Mathematics
1 answer:
Dmitriy789 [7]3 years ago
7 0

Answer:

8,000

Step-by-step explanation:

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D Answer each question.
nika2105 [10]

Answer:

Step-by-step explanation:

1. Humans can detect sounds in a frequency range from about 20 Hz to 20 kHz.

2. speed of sound is 343 m/sec.

3. two animals are Bats and Whales.

4.The voiced speech of a typical adult male will have a fundamental frequency from 85 to 180 Hz, and that of a typical adult female from 165 to 255 Hz.

6 0
2 years ago
What number multiplied by itself will give 2704?
finlep [7]
The answer to the question is 52
3 0
3 years ago
Read 2 more answers
-38--25 +25-50 solve​
adoni [48]

Answer:

<h2>-38</h2>

Step-by-step explanation:

-38-25+25-50

Follow the PEDMAS order of operation

Add and subtract left (left to right )

\mathrm{Apply\:rule\:}-\left(-a\right)\:=\:+a\\-\left(-25\right)=+25\\\\=-38+25+25-50\\=-13+25-50\\-13+25=12\\=12-50\\12-50=-38

4 0
3 years ago
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What is the mean absolute deviation of the data set?
neonofarm [45]

Answer:

<u>B. 2</u>

To find MAD, find the mean of the set, then find how far each number is from the mean. Next, find the mean of THAT set of numbers. Yea, I know it's a bit confusing... don't worry!

Find the mean of the set:

12 + 10 + 10 + 8 + 6 + 7 + 7 + 12

72

72 / 8

<u>9</u>

Find how far each number is from 9:

12 - 9 = <u>3</u>

10 - 9 = <u>1</u>

10 - 9 = <u>1</u>

9 - 8 = <u>1</u>

9 - 6 = <u>3</u>

9 - 7 = <u>2</u>

9 - 7 = <u>2</u>

12 - 9 = <u>3</u>

Find the mean of that number set:

{3, 1, 1, 1, 3, 2, 2, 3}

3 + 1 + 1 + 1 + 3 + 2 + 2 + 3

16

16 / 8

<u>2</u>

<u>So the answer is 2!</u>

Not so hard after all   :D

7 0
3 years ago
Read 2 more answers
T= u+v/2 for u<br><br> •u= 2t+v<br> •u= 2t/v<br> •u= 2(t-v)<br> •u= 2t-v
ratelena [41]

Answer:

u=2t-v

Step-by-step explanation:

t=(u+v)÷2 |×2

2t=u+v

-u=v-2t |:(-1)

u=-v+2t

u=2t-v

3 0
3 years ago
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