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3 years ago

%5C%3A%20value%20%5C%3A%20of%20%5C%3A%20base%20%5C%3A%20x" id="TexFormula1" title=" 543_{x} = 244_{x} + 255_{x} \: find \: the \: value \: of \: base \: x" alt=" 543_{x} = 244_{x} + 255_{x} \: find \: the \: value \: of \: base \: x" align="absmiddle" class="latex-formula">
find the value of base x

Mathematics

1 answer:

Westkost [7]3 years ago

8 0

Will u be my frndd........??

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A company makes a cone-shaped container with a height of 15 in. The area of its base is about 78.8in.2 Approximately what is the

MakcuM [25]

Answer:

Approximately the volume of cone-shaped container is 393 in³.

Step-by-step explanation:

Given:

A company makes a cone-shaped container with a height of 15 in.

The area of its base is about 78.8 in².

Now, to get the cone-shaped container volume.

So, we find the radius first by using formula:

Let the radius be $r.$

(Using the value π = 3.14)

$A_{B}=78.8\ in^2.$

$A_{B}=\pi r^2$

$78.8=3.14\times r^2$

Dividing both sides by 3.14 we get:

$25.09=r^2$

Using square root on both sides we get:

$5.00=r$

$r=5\ in.$

Thus, the radius ( $r$ ) = 5 in.

The height ( $h$ ) = 15 in.

Now, to get the volume of the cone-shaped container we put formula:

$Volume=\pi r^2\frac{h}{3}$

$Volume=3.14\times 5^2\times \frac{15}{3} \\\\Volume=3.14\times 25\times 5\\\\Volume=392.50\ in^3.$

Therefore, approximately the volume of the cone-shaped container is 393 in³.

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3 years ago

Select the correct answer

USPshnik [31]

Answer:

Step-by-step explanation:

it's just asking how far away from 0 it is

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3 years ago

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Eric divides a strip of paper into 8 equal parts.he cut off 2 of the parts. he shades 4 of the remaining whole does Eric shade b

Nikolay [14]

Eric shades 4/6 or 2/3 of the whole blue
8/8-2/8=6/8
now he shades 4 out of the eight
so 4/8 or 1/2

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4 years ago

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Two different groups in a statistics class are conducting a survey to estimate the mean number of units students at their colleg

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Answer:

Due to the larger sample size, the confidence interval of the second group will have greater precision for estimating the population mean.

Step-by-step explanation:

Margin of error of a confidence interval:

The equation for the margin of error of a confidence interval has the following format:

$M = z\frac{\sigma}{\sqrt{n}}$

In which z is related to the confidence level, $\sigma$ is the standard deviation of the population and n is the size of the sample.

From this, we can infer that a larger size leads to a greater precision of the interval, that is, a lesser margin of error.

In this question:

The sample from the first group survey has 49 data values, and from the second group has 81.

Due to the larger sample size, the confidence interval of the second group will have greater precision for estimating the population mean.

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3 years ago

The average of Manny's three tests is an 84. What must he get on a 4th test to raise his averageto a 87?

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90 because 84 plus 90 divided by 2 is 87.

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