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3 years ago

Type two statements that use rand() to print 2 random integers between (and including) 100 and 149. End with a newline. Ex:

Computers and Technology

1 answer:

bogdanovich [222]3 years ago

8 0

C Code:

#include <stdio.h> // Enables use of printf

#include <stdlib.h> // Enables use of rand()

#include <time.h> // Enables use of time()

int main(void)

{

srand(time(0));

int random1 = rand()% 50 + 100;

int random2 = rand()% 50 + 100;

printf("%d\n", random1);

printf("%d\n", random2);

return 0;

}

Output:

115

141

Explanation:

Each time program executes, srand() function generates new random numbers.

rand()%50 + 100 makes sure that number is 2 digit and within the range of 100 to 150.

Then we print the two random numbers where %d represents that we want to print an integer and \n represents new line

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Write a query to show the price reduced by 10% for all products that are tables or entertainment centers with a standard price g

IceJOKER [234]

Answer:

Below is the required code:

Explanation:

SELECT Product_Finish AS "Desk Finish",

avg(Standard_Price) AS "Average Price"

FROM Product_T

WHERE "Average Price">200

ORDER BY "Average Price" DESC;

8 0

3 years ago

Project Description The Department plans to purchase a humanoid robot. The Chairman would like us to write a program to show a g

artcher [175]

Answer:

C++ code is explained below

Explanation:

#include <iostream>

#include <iomanip>

using namespace std;

int main()

{

// Variables to store inputs

string robot_name = "Nao";

string visitor_name;

int age, first_num, second_num;

// Constant variable initialisation for programmer name

const string programmer_name = "XXXXXXXX";

// Constant variable initialisation for assignment number

const string assignment_num = "123546";

// Constant variable initialisation for due date

const string due_date = "16 August, 2019";

// Displaying robot's name as script

cout << "Hello, welcome to Montgornery College!";

cout << "My name is " << robot_name << " . May I have your name?" << "\n\n";

// Taking visitor's name as input from the visitor

cin >> visitor_name;

// Displaying vistor's name as script

cout << "\n\nNice to have your with us today, " << visitor_name << "! ";

cout << "Let me impress you with a small game.";

cout << "Give me the age of an important person or a pet to you. ";

cout << "Please give me only a number!" << "\n\n";

// Taking human age as input from the visitor

cin >> age;

// Displaying human's age as script

cout << "\n\nYou have entered " << age << ". If this is for a person,";

cout << " the age can be expressed as " << age << " years or ";

// Computing months, days, hours, minutes and seconds from age input

double months = age*12;

double days = months*30;

double hours = days*24;

double minutes = hours*60;

double seconds = minutes*60;

// Computing dogs and fish age from human's age

double dogs_age = 7*age;

double gold_fish_age = 5*age;

// Displaying months, hours, minutes, hours and seconds as script

cout << months << " months or about " << days << " days or";

cout << " about " << fixed << setprecision(0) << hours << " hours or about " << minutes;

cout << " or about " << fixed << setprecision(0) << seconds << " seconds. If this is for a dog.";

// Displaying dogs age and gold fish age as script

cout << " it is " << dogs_age << " years old in human age.";

cout << " If this is for a gold fish, it is " << gold_fish_age;

cout << " years old in human age" << "\n\n";

cout << "Let's play another game, " << visitor_name << "!";

cout << "Give me a whole number." << "\n\n";

// Taking first whole number from the visitor

cin >> first_num;

cout << "\nVery well. Give me another whole number." << "\n\n";

// Taking second whole number from the vistor

cin >> second_num;

// Computing sum and division for displaying in the script

double sum = first_num+second_num;

double division = first_num/second_num;

float floatDivision = (float)first_num/second_num;

// Displaying sum and division script

cout << "\nUsing the operator '+' in C++,";

cout << " the result of " << first_num << " + " << second_num;

cout << " is " << sum << ". Using the operator '/', the result ";

cout << "of " << first_num << " / " << second_num << " is " << division;

cout << "; however, the result of " << first_num << ".0 /" << second_num;

cout << ".0 is about " << floatDivision << "." << "\n\n";

cout << "Do you like the games, " << visitor_name << "?";

cout << " If you do, you can learn more by taking our classes.";

cout << ". If you don't, I am sad, You should talk to our Chairman!" << "\n\n";

// Displaying Programmer Name, Assignment Number and due date to output screen

cout << "Programmer Name : " << programmer_name << endl;

cout << "Assignment Number : " << assignment_num << endl;

cout << "Due Date : " << due_date << endl;

return 0;

}

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Answer:

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3 years ago