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bearhunter [10]
3 years ago
6

Please Help Thank You I will reward brainliest !!!! Plus 10 points !!

Mathematics
1 answer:
allochka39001 [22]3 years ago
6 0
Sorry we cant see the picture
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The variance of a distribution is 195. What is the standard deviation, rounded to the nearest thousandth?
stiks02 [169]

Given:

The variance of a distribution = 195.

To find:

The standard deviation, rounded to the nearest thousandth.

Solution:

Standard deviation of a distribution is the square root of the variance of the distribution.

Here, the standard deviation of the distribution is

S.D.=\sqrt{195}

S.D.=13.96424

S.D.\approx 13.964

Therefore, the standard deviation is 13.964.

8 0
3 years ago
3 people can deliver 1000 letters in 30 minutes.
Studentka2010 [4]

Answer:  It would take 1 hour and 30 minutes for one people do it.

If 5 people do it would take less time. If there are 5 people delivering the letters it would take them 12 minutes ti deliver all 1,000 letters.

6 0
2 years ago
“Bishon needs to sell at least 0.3 of his Collin sports card to make room for new cards.is 3/20 of his collection enough? Explai
Darya [45]

Answer:

I dont know But maybe the answer is No

Step-by-step explanation:

0.3 is 30% and if 1/10 is 10% then 2/20 must be 10% because 5% is 1/20

so maybe 3/20 is only 15%

I hope this helps :)

Sorry if it dosent i suck at explaining things ; - ;

3 0
3 years ago
Francine and Cheryl received equal scores on a test made up of multiple choice questions and an essay Francine got 34 multiple c
dem82 [27]

Answer: 2 points

Step-by-step explanation:

5 0
3 years ago
Find the center and radius of (x + 9)^2 + (y + 6)^2 = 9.
VARVARA [1.3K]
You can do this by comparing your equation to the general form of equation of a circle

( x - a)^2 + (y - b)^2 = r^2       where (a,b) is the centre and r = radius:-
(x  + 9)^2   (y + 6)^2 = 9 

so (a,b) = (-9,-6)  and r = 3

so the answer is B
4 0
3 years ago
Read 2 more answers
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