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Kazeer [188]
3 years ago
8

What is the measure of

Mathematics
1 answer:
Sever21 [200]3 years ago
8 0

Answer: B

Step-by-step explanation:

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A ladder reaches the top of a 20 foot building. the ladder is 4.5 feet away from the building. how long is the ladder?
KATRIN_1 [288]

Answer:

C

Step-by-step explanation:

do that with pithagoras:

20² + 4,5² = x²

400 + 20,25 = x²

420,25 = x²

x = \sqrt{420,25}

x ~ 20,5

Letter C: 20,5 feet

4 0
3 years ago
Mr. Mika paid a total of $150 to rent a room at a hotel for two nights. The table shows information about four other
julia-pushkina [17]

Answer:

Well, one night at the hotel equals $75.

Step-by-step explanation:

All you have to do is mulitlpy the nights by $75.

The last one is wrong it should be

5 nights = $375.

Hope this helps! Bye

4 0
3 years ago
100PT!<br> <img src="https://tex.z-dn.net/?f=x%5E%7B2%7D%20%2B%202x%20%2By%5E%7B2%7D%20-%206y" id="TexFormula1" title="x^{2} + 2
Novay_Z [31]

x^2 + 2x + y^2 - 6y

<u>= x^2 + 2x + y^2 + -6y</u>

5 0
3 years ago
Read 2 more answers
If angle 2 is 97 what is the measurement of angle 1
Angelina_Jolie [31]

Answer:

83

Step-by-step explanation:

The total angle of a flat line is 180. If you subtract the angle of 2 from 180 you get 83 which is the angle of 1.

8 0
3 years ago
Read 2 more answers
Restless Leg Syndrome and Fibromyalgia
mixas84 [53]

Answer:

The probability that a person with restless leg syndrome has fibromyalgia is 0.1833.

Step-by-step explanation:

Denote the events as follows:

<em>F</em> = a person with fibromyalgia

<em>R</em> = a person having restless leg syndrome

The information provided is as follows:

P (R | F) = 0.33

P (R | F') = 0.03

P (F) = 0.02

Consider the tree diagram attached below.

Compute the probability that a person with restless leg syndrome has fibromyalgia as follows:

P(F|R)=\frac{P(R|F)P(F)}{P(R|F)P(F)+P(R|F')P(F')}\\\\=\frac{(0.33\times 0.02)}{(0.33\times 0.02)+(0.03\times 0.98)}\\\\=0.183333\\\\\approx 0.1833

Thus, the probability that a person with restless leg syndrome has fibromyalgia is 0.1833.

6 0
3 years ago
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