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rusak2 [61]
3 years ago
5

The principal spent $500 to buy new classroom materials. 40% of the money he spent went towards pencils. How much money did the

principal spend on pencils?
Mathematics
1 answer:
kolezko [41]3 years ago
8 0

Answer:

$200

Step-by-step explanation:

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Solve the following equation. Then place the correct number in the box provided. 3x/7-2=15
seraphim [82]
3x/7-2=15

3x/7 = 17

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Step-by-step explanation:

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Restless Leg Syndrome and Fibromyalgia
Anna11 [10]

Answer:

The probability that a person with restless leg syndrome has fibromyalgia is 0.183.

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)}\\\\=\frac{0.0066}{0.0066+0.0294}\\\\=0.183333\\\\\approx 0.183

Thus, the probability that a person with restless leg syndrome has fibromyalgia is 0.183.

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3 years ago
I can't find the solution, 1+1! It hurts my brainnnnnn help please
Shtirlitz [24]

Answer:

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Step-by-step explanation:

6 0
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20

Step-by-step explanation:

260/13=20

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