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CaHeK987 [17]
3 years ago
12

Find the standard deviation for the following data (20, 30, 38, 40)

Mathematics
1 answer:
Pepsi [2]3 years ago
5 0
C) 7. 133 I believe.....
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Area of a pentagon with a radius of 8m
san4es73 [151]
Area = [radius^2 * 5 * sine (360/5)] / 2
area = [64 * 5 * 0.95106] / 2
area = <span> <span> <span> 152.1696 </span> </span> </span>





4 0
3 years ago
What is the perimeter of the triangle?​
yulyashka [42]

i am edditing my post because i got the answer wrong

6 0
3 years ago
I have 1 hundreds, 4 ones, 2 tens, and 1 tenths. What number am I?
DaniilM [7]
Since it reads 1 hundreds, that means 100. 4 ones mean 4 * 1, which is 4. 2 tens means 2 * 10, which is 20. Add those together and you get 124. Where it reads "1 tenth", that means 0.1
Therefore, the number is 124.1 
6 0
4 years ago
Answer this question to get 20 points!!!!
Ludmilka [50]

Answer:

Blue

Step-by-step explanation:

First, we need to find the LCD (Least common denominator)

Rewriting input as fractions if necessary:

1/10, 1/4, 1/5

For the denominators (10, 4, 5) the least common multiple (LCM) is 20.

Therefore, the least common denominator (LCD) is 20.

Now, we convert:

Red Marbles: 1/10 = 2/20

Blue Marbles: 1/4 = 5/20

Yellow Marbles: 1/5 = 4/20

As we can see, blue has the most. Now we have our answer! Good luck!

8 0
3 years ago
The distance around the lake is 0.75 mile.derek ran 0.8 of the distance on monday . how far did he run? the answer is 0.75 * 0.8
Elanso [62]
0.75*0.8= \frac{75}{100} * \frac{8}{10} = \frac{75*8}{100*10} = \frac{600}{1000} = \frac{6}{10}=0.6



5 0
3 years ago
Read 2 more answers
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