An object moves on a conveyor belt at a speed of 60 inches per second. Explain how you could conver the speed to feet per minute
1 answer:
We know that 1 foot = 12 inches and 1 minute = 60 seconds, so to convert 60 inches per second to feet per minute, we are going to multiply 
by 
and 
to cancel units and express our answer in feet per minute:
We can conclude that after converting 60 inches per second to <span>feet per minute, we get 300 feet per minute.</span>
We can conclude that after converting 60 inches per second to <span>feet per minute, we get 300 feet per minute.</span>
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We have to calculate the probability of picking a 4 and then a 5 without replacement.
We can express this as the product of the probabilities of two events:
• The probability of picking a 4
,• The probability of picking a 5, given that a 4 has been retired from the deck.
We have one card in the deck out of fouor cards that is a "4".
Then, the probability of picking a "4" will be:
The probability of picking a "5" will be now equal to one card (the number of 5's in the deck) divided by the number of remaining cards (3 cards):
We then calculate the probabilities of this two events happening in sequence as:
Answer: 1/12