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svetlana [45]
3 years ago
7

Please help!!!!!!!! I give Brainiest

Mathematics
1 answer:
artcher [175]3 years ago
7 0

Answer:

D or the 4th Answer

Explanation:

It makes the most sense to me.

<3 Enjoy,

    Dea

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The area of the base of this right rectangular prism is 14 square centimeters, and the height is 3 centimeters. What is the volu
Crank

Answer:

42cm^3

Step-by-step explanation:

Given data

Area of base= 14 square centimeters,

Height= 3 centimeters

Volume = Area* Height

Volume= 14*3

Volume= 42 cm^3

Hence the volume of the prism is 42cm^3

5 0
2 years ago
(a) Select all that describe BD. B Perpendicular bisector of AC Angle bisector of LB Median of AABC Altitude of A ABC A None of
Fynjy0 [20]

a) Altitude of triangle ABC

b) Angle bisector of angle H

c) Median of triangle JKL

3 0
1 year ago
Help with number 10 please
vladimir2022 [97]

Answer:

If he is traveling over 85 miles its cheaper to use company a

Step-by-step explanation:

137-65= 72

72÷0.85= 84.7058823529= 85

So after 85 miles company A is cheaper

5 0
3 years ago
For a standardized psychology examination intended for psychology majors, the historical data show that scores have a mean of 50
Volgvan

Answer:

P(\bar X>530)=1-0.808=0.192

Step-by-step explanation:

1) 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".  

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

X \sim N(\mu=505,\sigma=170)  

And let \bar X represent the sample mean, the distribution for the sample mean is given by:

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

On this case  \bar X \sim N(505,\frac{170}{\sqrt{35}})

2) Calculate the probability

We want this probability:

P(\bar X>530)=1-P(\bar X

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

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

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

P(\bar X >530)=1-P(Z

P(\bar X>530)=1-0.808=0.192

3 0
3 years ago
How do you turn 0.65 decimal into a fraction or mixed number into simplest form
Yakvenalex [24]
Put 65 over 100 so it's a fraction and simplify from there i think
5 0
3 years ago
Read 2 more answers
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