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ExtremeBDS [4]
3 years ago
14

What is the area of the sector that is not shaded?

Mathematics
1 answer:
lisabon 2012 [21]3 years ago
7 0

Answer:

its b 24pi

Step-by-step explanation:

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For a sample of n = 30 scores, a score that is 6 points above the mean has a z-score of z = 1.50. What is the sample standard de
sleet_krkn [62]

Answer:

4

Step-by-step explanation:

The z-score is calculated by the following formula

z=(x-μ)/σ

where

μ=Population mean

σ=Population standard deviation

If the z-score for a specific sample mean is discussed then z-score is computed as

z=xbar-μ/σxbar.

where

μ=Population mean

σxbar=Sample standard deviation

As the population mean and mean of sampling distribution of mean are equal so, μ is used in above equation.

Now, the z-score is given

1.5=xbar-μ/σxbar

σxbar=xbar-μ/1.5.

Also we know that z-score corresponds to a score that is 6 points above mean which means that xbar-μ=6.

σxbar=6/1.5

σxbar=4.

Thus, the required sample standard deviation is 4.

6 0
3 years ago
One spring day, Landon noted the time of day and the temperature, in degrees Fahrenheit. His findings are as follows: At 6 a.m.,
Verizon [17]

Answer:

Graph these points listed below

Step-by-step explanation:

Graph the following points:

(6 am, 50)

(9 am, 59)

(1 pm, 63)

(6 pm, 63)

(8 pm, 59)

(12 am midnight, 58)

6 0
2 years ago
Someone please help me!!! HELPPPP ASAPPPP!!!
BartSMP [9]

Answer:

I think it's 6.

Step-by-step explanation:

I think this because b is 62 leaving only 6 to become 68.

6 0
3 years ago
Please Hurry! What is the solution to log2_(9x)-log2_3=3?
brilliants [131]

Answer:

log_{2}(9x)  - log_{2}(3) = 3 \\ 3 =  log_{2}(8) or log_{2}( {2}^{3} )  \\  log_{2}( \frac{9x}{3} )  = log_{2}(8) \\  \frac{9x}{3}  = 8 \\ 9x = 8 \times 3 \\ 9x = 24 \\ x =  \frac{24}{9}  \\ x =  \frac{8}{3}  \\ x = 2 \times \frac{2}{3}

6 0
3 years ago
Read 2 more answers
Need Help ASAP
iren2701 [21]
The sum of the interior angles of a triangle is 180 degrees

2x-9+3x+x+3=180
6x-6=180
6x=186
x=31

A=2(31)-9
A=62-9
A=53
8 0
3 years ago
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