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serg [7]
3 years ago
14

What is the standard deviation of the following data set rounded to the nearest tenth? 60, 40, 35, 45, 39

Mathematics
1 answer:
larisa [96]3 years ago
3 0

Answer:

i think it would be 8.7

Step-by-step explanation:

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I need help! Answer as fast as you can. Marking brainlyiest
grandymaker [24]

Answer:

A

Step-by-step explanation:

We can break down what each term represents in the equation

60 is the constant. This is the base price that is paid regardless of workers and hours needed

Then there is 12nh. 12 represents the cost per hour for one worker. If the job takes only one hour, then it is 12 dollars per worker. Similarly, if the job only takes one person, then it is 12 dollars for each hour.

The most accurate answer is A

8 0
3 years ago
How do you complete <br>-6/5k=12
Inessa [10]
Here, I'll help you a little
rewrite the equation as -6k/5 = 12
multiply both sides by 5
-6k=60
divide both sides by -6 to isolate k
k = -10 

Hope this helps :)
6 0
3 years ago
How can I find the value of X?​
BARSIC [14]

Answer:

D

Step-by-step explanation:

Remark

The first thing you must do is notice that <D = <BEA. Mark it that way on your diagram.

The Second thing you need to notice is that <BEA and <A are equal because <A and <D are marked as equal.

So both the large triangle and the small one are isosceles. because 2 of the 3 angles are equal.

Now are you ready for this? That means that BA = 10 because BA is opposite one of the 2 equal angles in the small triangle. So now you are ready to set up a proportion.

Proportion

AB / AC = AE/AD

Givens

AB = 10

AC = 18

AE = 8

AD = x + 8

Solution

Substitute the Givens into the Proportion.

10/18 = 8/(x + 8)                      Cross multiply

10(x + 8) = 8 * 18                     Simplify both sides

10x + 80 = 144                        Subtract 80 from both sides

10x + 80 - 80 = 144 - 80

10x = 64                                   Divide by 10

10x/10 = 64/10

Answer: x = 6.4

5 0
2 years ago
The mass of a vase is 0.3kilgram. A flower has a mass that is 0.03 times the mass of the vase. What is the mass of the flower?
deff fn [24]
Hello!

0.3 × 0.03 = 0.009

The mass of the flower is 0.009 kilogram.
8 0
3 years ago
Can someone plz help me I’m being timed!!
Whitepunk [10]

Answer:

25

I hope i got it in time :)

6 0
2 years ago
Read 2 more answers
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