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Yuki888 [10]
3 years ago
15

Excited by the recent warm weather Jill and Kelly are doing spring cleaning at their apartment. Jill takes an exponen- tially di

stributed amount of time with mean 30 minutes to clean the kitchen. Kelly takes an exponentially distributed amount of time with mean 40 minutes to clean the bathroom. The first one to complete their task will go outside and start raking leaves, a task that takes an exponentially distributed amount of time with a mean of one hour. When the second person is done inside, they will help the other and raking will be done at rate 2. (Of course the other person may already be done raking in which case the chores are done.) What is the expected time until the chores are all done?
Mathematics
1 answer:
Basile [38]3 years ago
4 0

Answer:

Step-by-step explanation:

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A box contains 20 miniature golf putt-putt balls; 10 are
stellarik [79]

Answer: The answer is provided below

Step-by-step explanation:

From the question, a box contains 20 miniature golf putt-putt balls out of which 10 are yellow, 6 are red, and the remaining 4 are pink.

The probability of picking a red golf ball will be:

= 6/20 × 100

= 600/20

= 30%

If the red ball is replaced, the probability of picking a yellow golf ball will be:

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5 0
3 years ago
What is the answer to 78.2÷7<br>​
Lesechka [4]

Answer:

11.1714

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Just use a calculator! :)

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3 years ago
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Which graph represents a system of equations with one solution?​
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the one on the right which a parallel line

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3 years ago
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If a car is traveling 28 miles per hour, how long will ot take the car to drive 40 miles
patriot [66]
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4 0
3 years ago
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4t+14=6t/5+7 what is the answer
Oliga [24]
4t+ 14= 6t/5+ 7
⇒ 4t+ 14= 6/5t+ 7
⇒ 4t -6/5t= 7 -14
⇒ (4 -6/5)t= -7 (distributive property)
⇒ 14/5t= -7
⇒ t= -7/ (14/5)
⇒ t= -5/2
⇒ t= -2.5

Final answer: t= -2.5~
7 0
3 years ago
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