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mestny [16]
3 years ago
11

what is the volume, in cubic inches, of a rectangular prism with a height of 5 inches, a width of 15 inches, and a length of 2 i

nches
Mathematics
1 answer:
nlexa [21]3 years ago
5 0

Answer:

150 in^3

Step-by-step explanation:

5 * 15 * 2 = 150

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Which ratio is equivalent to 22 : 11 ?<br> 1 : 2<br> 2 : 1<br> 2 : 44<br> 66 : 44
Nadya [2.5K]

Answer: 2:1 B is the answer I think this is correct.

Step-by-step explanation:

6 0
2 years ago
The table below shows the coordinates of a figure that was transformed. Which is a correct description of the transformation?
Hitman42 [59]

Answer:

B

Step-by-step explanation:

3 0
3 years ago
A study was designed to investigate the effects of two​ variables, (1) A​ student's level of mathematical anxiety and​ (2) teach
Mashcka [7]

Answer:

P(X>400)=P(\frac{X-\mu}{\sigma}>\frac{400-\mu}{\sigma})=P(Z>\frac{400-440}{20})=P(z>-2)

And we can find this probability using the complement rule:

P(z>-2)=1-P(z

And in order to find these probabilities we can find tables for the normal standard distribution, excel or a calculator.  

P(z>-2)=1-P(z

Step-by-step explanation:

Previous concepts

Normal distribution, is a "probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean".

The Z-score is "a numerical measurement used in statistics of a value's relationship to the mean (average) of a group of values, measured in terms of standard deviations from the mean".  

Solution to the problem

Let X the random variable that represent the scores of a population, and for this case we know the distribution for X is given by:

X \sim N(440,20)  

Where \mu=440 and \sigma=20

We are interested on this probability

P(X>440)

And the best way to solve this problem is using the normal standard distribution and the z score given by:

z=\frac{x-\mu}{\sigma}

If we apply this formula to our probability we got this:

P(X>400)=P(\frac{X-\mu}{\sigma}>\frac{400-\mu}{\sigma})=P(Z>\frac{400-440}{20})=P(z>-2)

And we can find this probability using the complement rule:

P(z>-2)=1-P(z

And in order to find these probabilities we can find tables for the normal standard distribution, excel or a calculator.  

P(z>-2)=1-P(z

6 0
3 years ago
In speech class, Carolyn needs at least a B + to keep her financial aid. To earn a B+, the average of her four speeches must be
Arada [10]

Answer:

<h3>The minimum score speech to get a B+ is 89.</h3>

Step-by-step explanation:

Average of the first 3 = 85 + 77 + 81 / 3

= 243 / 3

= 81

The fourth score ( to get 85 ) = 81 + 89

= 170 / 2

= 85

4 0
2 years ago
Read 2 more answers
28, 33, 88, 81, 40, 25, 41<br> Mean median mode and range
PolarNik [594]

Hello!

Step-by-step explanation:

Mean: 48

Median: 40

Mode: None

Range: 63

Hope this helps!

3 0
3 years ago
Read 2 more answers
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