The monthly worldwide average number of airplane crashes of commercial airlines is 4.5 What is the probability that there will be at most 2 such accidents in the next month? A 0.1736 0.1542 0.0611 0.0183 0.6288

Q: John can wash the family car in one hour. His sister can wash it in 45 minutes. How long will it…

A:

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A: John can finish a job alone in 5 hours. Jack can finish the same job alone in 6 hours.

Q: Deanna can finish a certain job in 10 days. Jessica can finish the same job in 14 days. If Deanna…

A:

Q: Megan has been planting young trees in her garden. One maple tree is 66 centimeters tall and is…

A: Solution

Q: Five times the square root of 1 less than a number is equal to 3 more than the number. Find the…

A:

Q: Sara is 6 years older than her brother. In 5 years she wil be twice as old as her brother. What is…

A: suppose sara age=x     her brother age=y x=6+y.........1 in 5 years (X+5)=2(y+5)

Q: Emmy can type at a constant rate of 1 page every 4 minutes. If she has to type a 5-page article, but…

A: Emmy can write at a constant rate of 1 page in 4 minutes. Hence she will take 5 ×4 = 20 mins two…

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A:

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A: Given that a large pipe can empty a pool in 6 hours and a small pipe can empty the same pool in 9…

Q: solve for X 6x+7y=2

A: Given:

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A:

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A: Let the time be x for both to complete the job together

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A: We will find the three numbers satisfying the given conditions.

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A: Given Information: A bacteria culture initially contains 1500 bacteria and doubles every half hour.…

Rate of Change

The relation between two quantities which displays how much greater one quantity is than another is called ratio.

Slope

The change in the vertical distances is known as the rise and the change in the horizontal distances is known as the run. So, the rise divided by run is nothing but a slope value. It is calculated with simple algebraic equations as: