# Recent questions tagged operation

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Do I need to know Optimization and Operation Research Topics for data science?
Do I need to know Optimization and Operation Research Topics for data science?Do I need to know Optimization and Operation Research Topics for data science? ...
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How do I know if a business operation is part of the formal or informal economy?
How do I know if a business operation is part of the formal or informal economy?How do I know if a business operation is part of the formal or informal economy? ...
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How do you subtract matrices?
How do you subtract matrices?How do you subtract matrices? ...
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What is the order of operations? What acronym is used to describe the order of operations, and what does it stand for?
What is the order of operations? What acronym is used to describe the order of operations, and what does it stand for?What is the order of operations? What acronym is used to describe the order of operations, and what does it stand for? ...
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What does the acronym PEMDAS stand for?
What does the acronym PEMDAS stand for?What does the acronym PEMDAS stand for? ...
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Subtract the two matrices
Subtract the two matrices \text { If } A=\left\begin{array}{cc} -3 &amp; 8 \\ 3 &amp; 5 \end{array}\right \text { and } B=\left\begin{array}{ll} 3 &amp; -8 ...
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Multiply: $(x-4)(x+5)$
Multiply: $(x-4)(x+5)$Multiply: $(x-4)(x+5)$ ...
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How many different three-digit numbers can be obtained in this way?
How many different three-digit numbers can be obtained in this way?A box contains 9 balls, numbered 1 through $9 .$ One ball is removed at random from the box and replaced, and this process is repeated two more times. ...
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Find the probability that none of the three bulbs in a set of traffic lights will have to be replaced during the first 1200 hours of operation
Find the probability that none of the three bulbs in a set of traffic lights will have to be replaced during the first 1200 hours of operationFind the probability that none of the three bulbs in a set of traffic lights will have to be replaced during the first 1200 hours of operation if the ...
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What is the probability that the device fails during its first hour of operation?
What is the probability that the device fails during its first hour of operation?What is the probability that the device fails during its first hour of operation? A device runs until either of two components fails, at which point t ...
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What is behavioural economics?
What is behavioural economics?What is behavioural economics? ...
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How many integers from 100 to 199 are divisible by 7?
How many integers from 100 to 199 are divisible by 7?How many integers from 100 to 199 are divisible by 7? ...
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How many 7- digit numbers are divisible by 4?
How many 7- digit numbers are divisible by 4?How many 7- digit numbers are divisible by 4? ...
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How many numbers up to 350 are all divisible by 2 or 3?
How many numbers up to 350 are all divisible by 2 or 3?How many numbers up to 350 are all divisible by 2 or 3? ...
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How many numbers less than 400 but greater than 10 are divisible by 7?
How many numbers less than 400 but greater than 10 are divisible by 7?How many numbers less than 400 but greater than 10 are divisible by 7? ...
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How many positive numbers less than 1000 are divisible by 6 but not by 5?
How many positive numbers less than 1000 are divisible by 6 but not by 5?How many positive numbers less than 1000 are divisible by 6 but not by 5? ...
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Find the sum of all positive integers which are less than 2010 and are not divisible by 3
Find the sum of all positive integers which are less than 2010 and are not divisible by 3Find the sum of all positive integers which are less than 2010 and are not divisible by 3 ...
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How many positive integers less than 2009 are divisible by 28 but not by 12?
How many positive integers less than 2009 are divisible by 28 but not by 12?How many positive integers less than 2009 are divisible by 28 but not by 12? ...
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At least how many 3-digit composite numbers should be chosen to ensure that at least two of the chosen numbers are not relatively prime?
At least how many 3-digit composite numbers should be chosen to ensure that at least two of the chosen numbers are not relatively prime?At least how many 3-digit composite numbers should be chosen to ensure that at least two of the chosen numbers are not relatively prime? ...
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How many 4-digit positive numbers, whose digits are from the set {1, 2, 3, 4}, are divisible by 4?
How many 4-digit positive numbers, whose digits are from the set {1, 2, 3, 4}, are divisible by 4?How many 4-digit positive numbers, whose digits are from the set {1, 2, 3, 4}, are divisible by 4? ...
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If p, x, and y are positive integers, y is odd, and p = x^2 + y^2, is x divisible by 4?
If p, x, and y are positive integers, y is odd, and p = x^2 + y^2, is x divisible by 4?If p, x, and y are positive integers, y is odd, and p = x^2 + y^2, is x divisible by 4? ...
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If the remainder is 7 when positive integer n is divided by 18, what is the remainder when n is divided by 6?
If the remainder is 7 when positive integer n is divided by 18, what is the remainder when n is divided by 6?If the remainder is 7 when positive integer n is divided by 18, what is the remainder when n is divided by 6? ...
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