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Alexandra [31]
3 years ago
11

A cylindrical oil tank 8 ft deep holds 620 gallons when filled to capacity. How many gallons remain in the tank when the depth o

f oil is 3 and one half ft.
Mathematics
2 answers:
Bogdan [553]3 years ago
7 0

Answer:

271.25

Step-by-step explanation:

8=620

3 1/2=x

620×7/2=8x

2170=8x

x=2170/8

x=271.25

vekshin13 years ago
6 0

Answer:

  271.25 gal

Step-by-step explanation:

Assuming the tank is oriented so that the quantity of oil is proportional to depth, the amount remaining is ...

  (3 1/2 ft)/(8 ft) × (620 gal) = 271 1/4 gal

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Answer:

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Step-by-step explanation:

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3 years ago
A bag contains 8 red balls and 6 blue
Andreyy89

Answer:

The probability that all 3 balls are red is 18.65%, while the probability that all 3 balls are blue is 7.87%.

Step-by-step explanation:

Since a bag contains 8 red balls and 6 blue balls, and Radhika takes three balls at random from the bag, without replacement, to calculate the probability that the three balls are the same color, the following mathematical operations must be performed:

8 + 6 = 14

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Therefore, the probability that all 3 balls are red is 18.65%, while the probability that all 3 balls are blue is 7.87%.

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Step-by-step explanation:

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88-24=64

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3 years ago
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