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ruslelena [56]
2 years ago
9

B =(-21) (0) + (-50) ÷ (-5)​

Computers and Technology
1 answer:
Irina-Kira [14]2 years ago
8 0

Answer:

B=10

Explanation:

(-21) x 0=0 and (-50)÷(-5)=10

0+10=10

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Write a program that reads an unspecified number of integers, determines how many positive and negative values have been read, a
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Answer:

<em>C++</em>

////////////////////////////////////////////////////////////////////////////////////////////////////////

#include <iostream>

#include <vector>

using namespace std;

int main() {

  vector<int> v;

   int n = 1;

   while (n != 0) {

       cout<<"Enter an integer, the input ends if it is 0: ";

       cin>>n;

       v.push_back(n);

   }

   cout<<endl;

   ///////////////////////////////////////////////////////////

   int sum = 0;

   int num_positives = 0, num_negatives = 0;

   for (int i=0; i<v.size()-1; i++) {

       if (v[i] > 0)

           ++num_positives;

       else

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       sum = sum + v[i];

   }

   //////////////////////////////////////////////////////////

   cout<<"The number of positives is "<<num_positives<<endl;

   cout<<"The number of negatives is "<<num_negatives<<endl;

   cout<<"The total is "<<sum<<endl;

   cout<<"The average is "<<(float)sum/(v.size()-1);

   ///////////////////////////////////////////////////////////

   return 0;

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The expressions in each part of an AND or OR expression use ________ evaluation; that is, they are evaluated only as much as nec
I am Lyosha [343]

Answer:

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In OR operation, If first operand is true it means that the result of the expression is true without knowing that the other operand is true or false. In AND operation, If the first operand is False, the result will found as False without knowing that whether the 2nd operand is  true or false.

This Mechanism is called Short Circuit Evaluation.

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