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Reika [66]
2 years ago
9

Find the standard deviation for the set of data {27, 14, 7, 21, 19, 23, 26, 30, 4}

Mathematics
1 answer:
antoniya [11.8K]2 years ago
7 0

4 , 7 , 14 , 19 , 21 , 23 , 23 , 26 , 27 , 30

Step-by-step explanation:

HOPE IT'S HELP ;)

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Can somebody please help? I need this done today...
natima [27]

Answer:

22 sq.units

Step-by-step explanation:

lol just count the inside

6 0
3 years ago
2. A certain drug is eliminated from the human body according to an exponential model. After 2 hours, there are 32 mg left. Five
Anastasy [175]

The exponential function is given by y = 69.5(0.6786)^x \\

<h3>Exponential function</h3>

An exponential function is in the form:

y=ab^x

Where a is the initial value of y and b is the multiplier factor

Let y represent the amount of drug after x hours.

After 2 hours, there are 32 mg left. Hence:

  • 32 = ab²    (1)

After 5 hours, there are 10 mg left. Hence:

  • 10 = ab⁵      (2)

From equation 1 and 2, b = 0.6786, a = 69.5

The exponential function is given by y = 69.5(0.6786)^x \\

At 1 hour:

y = 69.5(0.6786) = 47 mg

Find out more on exponential function at: brainly.com/question/12940982

5 0
2 years ago
The price of a coffee machine is £86.00. The price is going to increase by 20% a) What is the multiplier for a 20% increase? b)
Vlad1618 [11]

Answer:

86 * 0.2 = 17.2

<u><em>17.2 + 86 = 103.2</em></u>

Step-by-step explanation:

A) the multiplier is <u><em>0.2 </em></u>

B) The price is <em><u>103.2</u></em>


6 0
3 years ago
Daniella wants to build a plot of land that has an area of 121 km 2.What is the length and width of the plot of the land?Explain
Orlov [11]
To find the area of a shape, in this case a square, you have to multiply the length and width. to find one of the sides, since this is a square, you can just find the square root of 121, which is 11. Ans. L: 11 W:11

hope this helps :)
4 0
3 years ago
Each of the 6 cats in a pet store was weighed. Here are their weights (in pounds):
pantera1 [17]
Mean: add up all numbers and divide by the number of data
12 + 12 + 7 + 5 + 10 + 16 = 62
62/6 = 10.333... (mean)
5,7,10,12,12,16
Find what’s in the middle
The medium is 11
7 0
3 years ago
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