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alexira [117]
3 years ago
5

If cone b has a volume of 256 cubic centimeters and a height of 16 centimeters, determine the radius of the cone. 48 cm 4√3 cm c

m 16 cm
Mathematics
2 answers:
Aneli [31]3 years ago
7 0
By definition, the volume of a cone is given by:
 v = (pi * r ^ 2 * h) / 3
 Where,
 r: radius
 h: height
 Clearing the radio we have:
 r = root ((3 * v) / (pi * h))
 Substituting values:
 r = root ((3 * (256)) / (3.14 * (16)))
 r = 3.91 cm
 Answer:
 
The radius of the cone is:
 
r = 3.91 cm
 
Note: a response option is missing
AlekseyPX3 years ago
7 0

Answer:

I recently got done with a quiz, and this was the answer I got, 16/3 cm.

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Answer:

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  2. 1 hour 45 minutes
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Step-by-step explanation:

1. The trains are moving toward each other at a total speed of 50 +20 = 70 miles per hour. Together, they cover the 210 mile distance in ...

  time = distance/speed

  time = 210 mi/(70 mi/h) = 3 h

The trains collide after 3 hours.

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  (210 mi)/(120 mi/h) = 7/4 h = 1 hour 45 minutes

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6 0
3 years ago
Solve the following system x=3 y=3x-1
astraxan [27]

Answer:

x = 3

y = 8

Step-by-step explanation:

Since it gives you x, you need to plug in the number given for it into the equation:

y = 3x - 1

y = 3(3) - 1

y = 9 - 1

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So now you have, x = 3 and y = 8

5 0
3 years ago
If the standard deviation of a set of data is zero, what can you conclude about the set of values? The sum of the deviations fro
Rashid [163]

Answer:

All values are identical.

Step-by-step explanation:

We are given the following in the question:

If the standard deviation of a set of data is zero.

Then, all the values in data are identical.

This can be shown as:

Let all the terms in data be x.

Formula:

\text{Standard Deviation} = \sqrt{\displaystyle\frac{\sum (x_i -\bar{x})^2}{n}}  

where x_i are data points, \bar{x} is the mean and n is the number of observations.  

Mean = \displaystyle\frac{\text{Sum of all observations}}{\text{Total number of observation}}

Mean =\displaystyle\frac{nx}{n} = x

Sum of squares of differences =

\displaystyle\sum (x_i - x)^2 = 0

\sigma = \sqrt{\frac{0}{n}} = 0

Thus, the correct answer is

All values are identical.

3 0
3 years ago
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VMariaS [17]

Answer:

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Step-by-step explanation:

4 0
3 years ago
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malfutka [58]
4
because
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