Determine the volume of a conical vessel having radius of the base as 5cm and its slant height as 13cm.

1 answer:

7 0

Answer:mus t go to 180 degrees so times both of them together and with that number minus it from the number u got and 180 and boom ur answer

Step-by-step explanation:

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Solve –5√ x = –15. A. x = –7 B. x = –9 C. x = 7 D. x = 9

Pie

-5√x = -15
-5 -5
√x = 3
x = 9

The answer is D.

3 0

3 years ago

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Fiesta28 [93]

Answer: B

Step-by-step explanation:

l = 2

2 ( l + w ) = 48 , or , l + w = 24

w = 8 , & , so , l = 2 w = 16 inches.

4 0

3 years ago

Find a rational number and an irrational number that are between 5.2 and 5.5. Include the decimal approximation of the irrationa

mote1985 [20]

Answer:

5.3

Step-by-step explanation:

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2 years ago

A simple random sample of 100 observations was taken from a large population. The sample mean and the standard deviation were de

olga2289 [7]

Answer:

Se=1.2

Step-by-step explanation:

The standard error is the standard deviation of a sample population. "It measures the accuracy with which a sample represents a population".

The central limit theorem (CLT) states "that the distribution of sample means approximates a normal distribution, as the sample size becomes larger, assuming that all samples are identical in size, and regardless of the population distribution shape"

The sample mean is defined as:

$\bar X =\frac{\sum_{i=1}^n x_i}{n}$

And the distribution for the sample mean is given by:

$\bar X \sim N(\mu,\frac{\sigma}{\sqrt{n}})$

Let X denotes the random variable that measures the particular characteristic of interest. Let, X1, X2, …, Xn be the values of the random variable for the n units of the sample.

As the sample size is large,(>30) it can be assumed that the distribution is normal. The standard error of the sample mean X bar is given by:

$Se=\frac{\sigma}{\sqrt{n}}$