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3 years ago

The room and the hallway shown in the floor plan below have different dimension but the same area. Find value of w.

Mathematics

1 answer:

nordsb [41]3 years ago

7 0

Check the picture below

if their areas are equal then A =A or
(3w)(w-2) = (w+1)(w)

solve for "w"

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n a call center the number of received calls in a day can be modeledby a Poisson random variable. We know that, on average, 0.5%

guapka [62]

Answer:Pois(ln(200))

Step-byy-step explanation:

Let N be the number of received calls in a day

That is

N∼Pois(λ).

0.5% = 0.5/100 = 1/200 of no calls

P(N=0)=e^−λ=1/200

-λ=e^(1/200)

λ=in(200)

Our number of calls in a day is distributed Pois(ln(200)).

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3 years ago

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A water sprinkler sends water out in a circular pattern. How many feet away from the sprinkler can it spread water if the area f

myrzilka [38]

Answer:

The sprinkler can spread water 18 feet away.

Step-by-step explanation:

We are given the following in the question:

Area formed by watering pattern = 1,017.36 square feet

We have to find the how far the sprinkler spread the water.

The sprinkler covers a circular area. We need to find the radius of this circular area to find the how far the sprinkler spread the water.

Area of circle =

$A = \pi r^2$

where r is the radius of the circle.

Putting values, we get,

$1017.36 = 3.14 r^2\\\\r^2 = \dfrac{1017.36}{3.14}\\\\r^2 = 324\\r = \sqrt{324} = 18\text{ feet}$

Thus, the sprinkler can spread water 18 feet away.

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3 years ago

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Sweet t has 2 orange picks for every green pick. if six of the picks are green how many are orange.

klemol [59]

There 12 orange picks because 2 x 6 = 12

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3 years ago

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Marysya12 [62]

Answer:

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Step-by-step explanation:

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3 years ago

If two dice are rolled, find the probability of rolling two 6's.

djyliett [7]

Total no. of outcomes when two dice are rolled = 36

No. of outcome when 6 will be on both dice = 1

Probability of rolling two 6's = 1/36

Hope this helps!

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3 years ago