3 years ago

Subtract 37/55-32/55

1 answer:

5 0

The answer would be 5/55 because if you subtract 32 from 37 you would end up with 5 and because the denominator was the same you keep the denominator the same.

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A building contains two elevators, one fast and one slow. The average waiting time for the slow elevator is 3 min. and the avera

cupoosta [38]

Answer: The expected waiting time is $1\dfrac{2}{3}\ min$

Step-by-step explanation:

Since we have given that

Average waiting time for slow elevator = 3 min

Average waiting time for fast elevator = 1 min

probability that a person choose the fast elevator = $\dfrac{2}{3}$

Probability that a person choose the slow elevator = $\dfrac{1}{3}$

So, the expected waiting time would be

$E[x]=\sum xp(x)=3\times \dfrac{1}{3}+1\times \dfrac{2}{3}\\\\=1+\dfrac{2}{3}\\\\=\dfrac{3+2}{3}\\\\=\dfrac{5}{3}\\\\=1\dfrac{2}{3}\ min$

Hence, the expected waiting time is $1\dfrac{2}{3}\ min$

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2 years ago

What linear equation is represented by the table? 1

rewona [7]

Answer:

Y=4x-2

Step-by-step explanation:

You have to try it (x,y) (2,6)

y=4x-2

6=4(2)-2

6=8-2

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3 years ago

A French class has a total of 31 students. The number of males is 7 more than the number of females. How many males and how many

Inessa05 [86]

Answer:

Step-by-step explanation:

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2 years ago

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IRINA_888 [86]

Answer:

118.75

Step-by-step explanation:

47.50 multiplied by 2.5 would equal 118.75

ur welcome :)

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3 years ago

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Suppose a right cylinder was bent into a U-shape and was compared to another right cylinder. What can be said about their volume

Mazyrski [523]

Answer: B) there is not enough information to tell since they are not between parallel planes

Step-by-step explanation:

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3 years ago