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How do you design a flowchart to input two numbers and swap their values?
To design a flowchart for inputting two numbers and swapping their values, start with a terminal symbol indicating the start. Next, use input/output symbols to prompt the user to enter the two numbers, labeling them as A and B. Then, employ a process symbol to perform the swap, which can be done using a temporary variable, such as: temp = A; A = B; B = temp. Finally, use another input/output symbol to display the swapped values of A and B, and end the flowchart with a terminal symbol.
What is the output mapping x 3x use the input 5?
15
What happens when you compose two functions?
you use the output of the first function as the input of the second function.
Can you get 24 as an answer using 24 16 16 and 13 one time each with multiplication division addition and subtraction?
No - it is not possible. There are four binary operations (*, /, +, -). A binary operations involves two inputs and one output. So each time you use a binary operation on a set of numbers you reduce the size of the set by one. Therefore, with four numbers, you can only use three binary operations. Using only three operations, it is trivially simple: 24 + (16 - 16)*13
What number would you have to use as input if you wanted 40 as the output?
The answer depends on what the "number machine" does. For example, if it quadruples, the input should be 10; if it halves, the input should 80; if it adds 10, the input should be 30; and so on.
