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solniwko [45]
3 years ago
14

A amusement park line for passengers waiting to ride a roller coaster is moving about 16 feet every 10 minutes Jackson and his f

riends are standing 40 feet from the front of the line select values to set up a proportion to a represents this situation
Mathematics
2 answers:
nekit [7.7K]3 years ago
7 0

Answer:

It will take 25 minutes to reach first in line.        

Step-by-step explanation:

Data given in the question:

Distance between Jackson and his friend = 40 feet

Rate at which the line is moving = 16 feet per 10 minute

Thus, time taken by Jackson to reach the position his friend is standing is given by:

\text{Time taken = }\displaystyle\frac{\text{Distance}}{Rate}

\text{Time taken} = \displaystyle\frac{40\text{ feet}}{16\text{ feet per 10 minute}}

= \displaystyle\frac{40\times 10}{16} = 25\text{ minutes}

Proportion used can be written as

Time:10::40:16

DanielleElmas [232]3 years ago
3 0
10/16  = t /40

where t is the time  in minutes that they will get to the front of the line.
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Raymond has 120 books on his bookshelf that he has not read. He plans on reading 3 books per week until there are only 24 books
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Answer:  The correct option is (A) 120-3w=24;~32.

Step-by-step explanation:  Given that Raymond has 120 books on his bookshelf that he has not read. He plans on reading 3 books per week until there are only 24 books that he still needs to read.

We are to find the equation that can be used to determine the number of weeks it will take Raymond to have only 24 books left.

Also, we are to find the number of weeks.

The number of weeks  it will take Raymond to have only 24 books left is represented by 'w'.

We have

number of books read by Raymond is 1 week = 3.

So, number of books read by Raymond is w weeks = 3w.

Since, there are total 120 books on his bookshelf, so the number of books left to read after w weeks will be

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According to the given information, we get

120-3w=24\\\\\Rightarrow 3w=120-24\\\\\Rightarrow 3w=96\\\\\Rightarrow w=32.

thus, the required equation is 120-3w=24 and number of weeks is 32.

Option (A) is correct.

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Answer:

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b. 2.745... standard deviations.

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Answer:

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