Answer:
B) 34/48
Step-by-step explanation:
The easiest common denominator to find is the product of the denominators you have.
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The difference is ...
![\dfrac{5}{6}-\dfrac{1}{8}=\dfrac{5}{6}\cdot\dfrac{8}{8}-\dfrac{1}{8}\cdot\dfrac{6}{6}\\\\=\dfrac{40-6}{48}=\boxed{\dfrac{34}{48}}](https://tex.z-dn.net/?f=%5Cdfrac%7B5%7D%7B6%7D-%5Cdfrac%7B1%7D%7B8%7D%3D%5Cdfrac%7B5%7D%7B6%7D%5Ccdot%5Cdfrac%7B8%7D%7B8%7D-%5Cdfrac%7B1%7D%7B8%7D%5Ccdot%5Cdfrac%7B6%7D%7B6%7D%5C%5C%5C%5C%3D%5Cdfrac%7B40-6%7D%7B48%7D%3D%5Cboxed%7B%5Cdfrac%7B34%7D%7B48%7D%7D)
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<em>Additional comment</em>
The difference numerator and denominator have a common factor of 2, so can be reduced to 17/24. The denominator 24 could have been used as the common denominator from the start.
5/6 -1/8 = 20/24 -3/24 = 17/24 . . . . reduced result
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Using the <em>least common denominator</em> does not always result in a reduced sum or difference. If some other denominator is used (as here), then you can be assured that the result will need to be reduced to get to lowest terms.
The last awnser is 15x + 2 and the first one is explained below:
65 X 1.5 = 97.5
97.5 + 95 = 192.5
192.5 is awnser
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A. is 20ft I believe but I don't know the other one
Answer:
yea yea singing challange
Step-by-step explanation: FLYYY ME TO THE MOON LOLOLOL
Answer:
0.070
Step-by-step explanation:
Y = number on trial
Y has a negative binomial distribution
r = 3
P = 30% = 0.3 probability of positive indication.
P(Y = 11) probability of 11 employees that must be tested to get 3 positives
Y-1Cr-1*p^r*q^(y-r)
Y-1 = 11-1 = 10
r-1 = 3 -1 = 2
10C2 x 0.3³x0.7⁸
45x0.027x0.05764801
= 0.070
This is the probability that 11 employees must be tested to get 3 positives.