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mylen [45]
3 years ago
9

Please help me with this

Mathematics
1 answer:
larisa [96]3 years ago
7 0

Answer:

1936

Step-by-step explanation:

diameter = 44ft

radius = d/2 = 22ft

SA=4π22²

SA=4π(484)

SA=1936π ft

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Mandarinka [93]

Answer:19.42 is the answer

Step-by-step explanation:

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The cost of 5cd's and a $12 DVD
Varvara68 [4.7K]
Let the price of one CD be c.
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3 years ago
Please help ME?!!!!!!
aniked [119]

Answer:

29 is your answer. I hope this helps you! Let me know if I got something wrong or if you need more help :)

Step-by-step explanation:

First, apply distributive property to 3(2+8). 3×2 and 3×8.

15 + (6 + 24) - 4^2

Add 6 and 24.

15 + 30 - 4^2

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29

29 is your answer. I hope this helps you! Let me know if I got something wrong or if you need more help :)

4 0
3 years ago
The distillation of raw data into useful information is known as ______. a. generalization b. data analysis c. data content d. e
PilotLPTM [1.2K]

Answer:

B. Data analysis

Step-by-step explanation:

Data analysis is a process of inspecting, cleansing and organizing , transforming and modeling data with the goal of discovering useful information, informing conclusion and supporting decision-making.

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7 0
3 years ago
Dullco Manufacturing claims that its alkaline batteries last at least 40 hours on average in a certain type of portable CD playe
algol13

Answer:

The value is  p- value  = 0.041815

Step-by-step explanation:

From the question we are told that

  The  population mean is \mu  =  40 \ hours

  The  sample size is  n  =  18

    The  sample mean is  \= x =  37.8 \ hours

   The standard deviation is  \sigma  = 5.4\ hours

The null hypothesis is  H_o  :  \mu =  \ge 40

The alternative hypothesis is  H_a  :  \mu < 40 \ hour s

Generally the test statistic is mathematically evaluated as

       t=  \frac{\= x - \mu}{ \frac{\sigma}{ \sqrt{n} } }

      t=  \frac{37.8 - 40}{ \frac{5.4}{ \sqrt{18 } }

      t=  -1.73

From the z - table the p-value is obtained and the value is  

      p- value  =  P(Z <  -1.73)

        p- value  = 0.041815

3 0
3 years ago
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