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rewona [7]
3 years ago
12

Machine X makes 300 boxes in 3 mins and machine Y makes 300 boxes in 2 mins. With both machines working, how long will it take t

o make 300 boxes?
Mathematics
1 answer:
Andru [333]3 years ago
7 0
-- Machine-X takes 3 minutes for 300 boxes . . . 3/300 = 1/100 minute per box.
-- Machine-Y takes 2 minutes for 300 boxes . . . 2/300 = 1/150 minute per box.

-- 3/150 = 2/100 . . . In 3/150 second, they can make 5 boxes by working together.

-- They need to make 5 boxes (300/5) = 60 times.
-- They'll need to work for 60 times (3/150) minutes.

60 (3/150) = 180/150 = 1.2 minutes = <u>1 minute and 12 seconds</u>.
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3 years ago
There are 120 five-digit numbers that can be made from the digits 1, 2, 3, 4, 5 if each digit is used once in the number. That s
Harman [31]

Answer:

41235

Step-by-step explanation:

There are 120 five-digit numbers that can be made from the digits 1, 2, 3, 4, 5 if each digit is used once in the number,

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4! = 4 × 3 × 2 × 1

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Hence,

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We can write this out as:

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13542 e.t.c.

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This means, the 73rd number is the first number where 4 is at first place.

Therefore, the 73rd number based on pattern is 41235

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3 years ago
Which could be the measures of the three angles of an acute triangle.
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An acute angle is less than 90 degrees 
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4 years ago
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Please help! I'll give brainliest to whom is correct!
olga2289 [7]

Answer:

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Step-by-step explanation:

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In short, Your Answer would be: 1.7728

Hope this helps!
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