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bagirrra123 [75]
3 years ago
12

you had eight hours until you have to be on set if you will spend 3/4 of an hour driving to the TV station how much time does th

at leave you to get everything ready
Mathematics
1 answer:
Inessa05 [86]3 years ago
7 0

Answer:

7 hours and 15 minutes

Step-by-step explanation:

8 - 3/4 = 7 1/4 hours

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A company is constructing an​ open-top, square-based, rectangular metal tank that will have a volume of 49 cubic feet. What dime
yawa3891 [41]

Answer:

b = 4.6 ft

h = 2.3 ft

Step-by-step explanation:

The volume of the tank is given by:

b^2*h=49

Where 'b' is the length of the each side of the square base, and 'h' is the height of the tank.

The surface area can be written as:

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The value of b for which the derivate of the expression above is zero is the value that yields the minimum surface area:

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h=\frac{49}{4.61^2}\\h=2.31\ ft

Rounded to the nearest tenth, the dimensions are b = 4.6 ft and h = 2.3 ft.

7 0
3 years ago
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