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Lemur [1.5K]
3 years ago
6

Express it in Qbasic expression​

Computers and Technology
1 answer:
nikklg [1K]3 years ago
3 0

Answer:

x = (-b + sqr(b * b - 4 * a * c)) / (2 * a)

x2 = (-b - sqr(b * b - 4 * a * c)) / (2 * a)

Usually when squaring a number I just use multiply it by itself like above.  If you actually want to use the exponent 2, then it would instead be:

x = (-b + sqr(b ^ 2 - 4 * a * c)) / (2 * a)

x2 = (-b - sqr(b ^ 2 - 4 * a * c)) / (2 * a)

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System analysis and design
Oksana_A [137]

Answer:

teachers go hard on you dont they

Explanation:

5 0
4 years ago
Why are the central processing unit (cpu) and motherboard considered the brain and heart of a computer? do you think these are g
kupik [55]
I think that they are sufficient analogies. But, the heart allows the organs to remain healthy and active. The motherboard does not fully fit that classification. The motherboard would be more like the spinal cord or nerves.
8 0
3 years ago
Write switch-case statement that displays the following information if the temperature is the input Activities at Lake LazyDays
Marta_Voda [28]

Answer:

//here is code in c++.

#include <bits/stdc++.h>

using namespace std;

int main()

{

// variable

int temp;

cout<<"Please enter the temperature:";

//read temperature from user

cin>>temp;

int n;

// reduce the case for switch

n=temp/10;

// print output according to the switch case

switch (n) {

case 7:

case 6:

cout<<"tennis"<<endl;

break;

case 5:

case 4:

cout<<"golf"<<endl;

break;

default:

if(temp>=80)

cout<<"swimming"<<endl;

else

cout<<"skiing"<<endl;

break;

}

return 0;

}

Explanation:

Read the value of temperature from user and assign it to variable "temp".

Calculate n=temp/10, to limit the number of cases in the switch statement.

if temperature is greater or equal 60 & less than 80, it will print "tennis".

If temperature is greater or equal 40 & less than 60, it will print "golf".

in default case, if temperature is greater than 80, it will print "swimming".

if less than 40, print "skiing".  

Output:

Please enter  the temperature::67                                                                                        

tennis

3 0
4 years ago
What is better tower in tower defense simulator roblox
Morgarella [4.7K]

The commander is a tower that boosts the firerate of towers within its range.

Explanation:

The support towers are towers that helps you by giving you more cash or boosting your towers. It can be purchased in the store and its appearance resembles that of an officer standing on a wooden pedestal.

Support towers are towers that indirectly helps you, either by giving you more cash or boosting your towers.

There are 40 waves of zombie's in tower defence simulator. Modes are the difficult games in tower defence simulator that is available to play on standard maps.

It is unlocked by using the code " UPDATEINMINUTE2019" in the text box in the bottom left of the menu screen.

3 0
3 years ago
Read 2 more answers
Consider what fact-finding techniques you would use to identify the important facts needed to develop a database system. Please
8090 [49]

Answer:

Examples of Fact-finding techniques includes:

  1. Prototyping
  2. Questionnaires
  3. Research and sites visit
  4. Interviews

Explanation:

It is important to note that a database system is a tool that allows users to define, create, maintain, and control access to a collection of logically related data and description of these data, designed to meet the information needs of an organization.

<u>Prototyping </u>

<em>Advantage:</em>  enables testing and understanding of the system in advance before final implementation of solution, while requiring less time for research.

<em>Disadvantage:</em> Training and Development cost consumes resources.

<u>Research and site visit </u>

<em>Advantage :</em> better time management if the problem has been researched upon before.

<em>Disadvantage:</em> appropriate permission is often needed before using research materials.

<u> Questionnaires </u>

<em>Advantage: </em>This technique is not expensive, and responses can be calculated and analysed quickly.

<em>Disadvantage:</em> There may be Incomplete answers received from users and body language of user cannot be observed.

<u>Interviews</u>

<em>Advantage:</em> The body language of interviewees is been perceived.

<em> Disadvantage: </em>Interviewing is time consuming and costly.

3 0
3 years ago
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