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Agata [3.3K]
3 years ago
5

A hose with a larger diameter working alone can fill a swimming pool in 9 hours. A hose with a smaller diameter working alone ca

n fill a swimming pool in 18 hours. Working together, how long would it take the two hoses to fill the swimming pool?
Mathematics
1 answer:
Vilka [71]3 years ago
4 0

- The rate of the hose with the large diameter is:

  Answer: A). 1/9.

- What is the unknown in the problem?

  Answer: C). the time it takes for the hoses working together to fill the pool

-What part of the job does the hose with the large diameter do?

  Answer: B). x/9

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2) Then start eliminating numbers from each side of the order; (The bolded numbers will be removed.)
    2,2,3,4,5,6,8,9
   
2,3,4,5,6,8,9
    2
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3) Since there is an even number of digits in your list, you will have to add the last two digits and then divide them by two. 4 and 5 are the last numbers standing, (4+5=9)(9/2=4.5) and therefore your answer, would be 4.5, or B.
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3 years ago
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Answer:

b

Step-by-step explanation:

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Arte-miy333 [17]

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6÷25

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3 years ago
Wally wants to determine the height of a statue that casts a 164-inch shadow by comparing it to his own height and shadow length
nataly862011 [7]

We have been given that Wally wants to determine the height of a statue that casts a 164-inch shadow by comparing it to his own height and shadow length. Wally is 68 inches tall, casts a shadow that is 41 inches in length.

We will use proportions to solve for the height of the statue because proportions state that ratio between two proportional quantities is same.

\frac{\text{Height of statue}}{\text{Shadow of statue}}=\frac{\text{Height of Wally}}{\text{Shadow of Wally}}

Upon substituting our given values in above equation, we will get:

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\frac{\text{Height of statue}}{\text{164 cm}}\times \text{164 cm}=\frac{\text{68 inch}}{\text{41 inch}}\times \text{164 cm}

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\text{Height of statue}=272\text{ inches}

Therefore, the height of the statue is 272 inches.

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