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Svetllana [295]
3 years ago
14

Find the length of the missing side Drag and drop the length of the missing side into the box to complete

Mathematics
2 answers:
spin [16.1K]3 years ago
6 0
This is a right triangle so we can use the Pythagorean Theorem to answer. The hypotenuse will always be C and the longest side and then A or B can be any of the legs. As you can see I tested out each of the options to figure out which one would be the best answer. You can see the process in the pictures. I color coded each section so that you have an idea of what each looks like when worked out. Let me know if you need more clarification! :)

babymother [125]3 years ago
5 0
The answer would be 13.9
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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
A scarf is a triangle with two perpendicular sides that are the same length which two terms describe a triangular scarf
Fittoniya [83]

Answer:

A triangular scarf is an isosceles right triangle.

Step-by-step explanation:

Given: A scarf is a triangle with two perpendicular sides that are the same length.

We have to name which two terms describe a triangular scarf.

Isosceles triangle is a triangle with length of two of its sides equal.

Right angled triangle is a triangle in which one angle is a right angle.

Given :

The two sides of scarf are perpendicular to each other.

Thus, the angle formed between them is 90°. Hence, right angled triangle.

Also, length of two sides are same, Hence isosceles triangle.

Thus,a triangular scarf is an isosceles right triangle.

 

6 0
3 years ago
Which is an equation of the line that passes through (0, -3) and is perpendicular to the graph of the line y=2x-3?
Cloud [144]

Answer:

D

Step-by-step explanation:

perpendicular to 2 =x is -1/2x, and (0,-3) just happens to be on the y intercept so its -1/2x - 3

5 0
3 years ago
the length and width of a rectangle are each less than 1 unit long. which statement is true about the area of the rectangle?
Anna35 [415]
What are the choices to choose from?
6 0
3 years ago
Can complementary angles be supplementary. Why or why not.
AfilCa [17]

Answer:

no because complementary angles equal 90 degrees and supplementary angles equal 180 degrees

4 0
3 years ago
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