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kylieweeks052704
12.08.2019 •
Mathematics
Three cube-shaped aquariums that are five inches on each side are filled with water to capacity. all of the water from those three aquariums is to be transferred into a larger cube aquarium so that it must be filled to at least 50% of its total capacity without overflowing. which of the following could be the length, in inches, of a side of the larger aquarium?
(a) 6.9
(b) 8.4
(c) 9.5
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Ответ:
(B) 8.4
Step-by-step explanation:
Given : Dimension of each cube = 5 inches
Then, volume of each cube =![(5)^3=125\text{ in.}^3](/tpl/images/0174/2967/94703.png)
Then, volume of 3 such cubes =![3\times125=375\text{ in.}^3](/tpl/images/0174/2967/a0e0e.png)
Let x be the dimension of larger cube , then its volume =![x^3](/tpl/images/0174/2967/b7cd4.png)
Now, by considering the given question, we have
Taking cube-root on both sides , we get
The most nearest value from the options less than 9.086 is 8.4.
Hence, the the length of a side of the larger aquarium could be 8.4 inches.
Ответ:
b. y = 2/3x + 2
Step-by-step explanation: