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Viefleur [7K]
2 years ago
7

Unit 8 test right triangles and trigonometry

Mathematics
1 answer:
Ronch [10]2 years ago
7 0

Answer:

y= 4 (square root of 3)       x=8

Step-by-step explanation:

 it's hard to explain but I am in geometry and learned this two

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What is the area of the parallelogram?
Bezzdna [24]

The area of the parallelogram is mathematically given as

A = 7 square units Option B

<h3>What is the area of the parallelogram?</h3>

Generally, the equation for a parallelogram is mathematically given as

A=bH

Where

b=\sqrt{4^2+1^2}

b=4.123

and

H=1.75

Hence

A=3*1.75

A=7.2square units

In conclusion,  a parallelogram

A = 7 square units

Read more about parallelogram

brainly.com/question/1563728

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6 0
1 year ago
The Ellisons have insured their home for $890,000. Their personal property
Artemon [7]

Answer:

19000 8000 90000 60000

Step-by-step explanation:

4 0
2 years ago
Approximately 54% of mathematics students do their homework on time. In a class of 250 students, what is the mean, variance, and
sleet_krkn [62]

Answer:

A) Mean = 135 Variance = 62 Standard Deviation = 8

Step-by-step explanation:

Given that :

Proportion (p) = 54%

Sample size (n) = 250

Using Normal approximation :

Mean = np

Mean = 250 * 0.54 = 135

Variance = npq ; q = 1 - p = 1 - 0.54 = 0.46

Variance = (250 * 0.54 * 0.46) = 62.1 = 62

Standard deviation = √variance = √62.1

Standard deviation = 7.8803553 = 8

6 0
3 years ago
PLEASE HELP ME!! Graph the line, y+4=1/5(x-1)
Reika [66]

Answer:

Look at picture attached

Step-by-step explanation:

I have created the graph on DESMOS. I recommend you use that website as it helps a lot with visualizing graphs :)

Edit: The second attachment shows the point you can plot.

8 0
3 years ago
A visitor makes a list of 11 sights he’d like to see. He is determined to visit at least 8 of these. How many possible choices d
Cerrena [4.2K]

Using the combination formula, it is found that he has 232 choices.

The order in which the sights are seen is not important, hence the <em>combination formula </em>is used to solve this question.

<h3>What is the combination formula?</h3>

C_{n,x} is the number of different combinations of x objects from a set of n elements, given by:

C_{n,x} = \frac{n!}{x!(n-x)!}

In this problem, the choices are 8, 9, 10 or 11 sights from a set of 11, hence:

T = C_{11,8} + C_{11,9} + C_{11,10} + C_{11,11} = \frac{11!}{3!8!} + \frac{11!}{2!9!} + \frac{11!}{10!1!} + \frac{11!}{0!11!} = 232

He has 232 choices.

You can learn more about the combination formula at brainly.com/question/25821700

4 0
2 years ago
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