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9966 [12]
3 years ago
8

You wish to lift a 12,000 lb stone by a vertical distance of 15 ft. Unfortunately, you can only generate a maximum pushing force

of 2,000 lb.
Computers and Technology
1 answer:
miss Akunina [59]3 years ago
8 0

Answer:

Full question?

Explanation:

Sorry for asking this but where's what you want answered?

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Show that, if n is an integer and n^3 + 5 is odd, then n is even, using:
Ilya [14]

Answer:

Explanation:

Let  n be an integer

Given that n^3+5 is odd

To prove that n is even

a) Proof by contraposition

Let n^3+5 be non odd

Then this would be a multiple of 2 being even

n^3+5 = 2m\\n^3=2m-5\\n^3=2(m-3)+1

i.e. we get cube of n is odd since gives remainder 1 when divided by 2

It follows that n is odd.

Thus proved by contraposition

b) contradiction method:

If possible let n^3+5 is odd for n odd.

Then we get

since n is odd,

n^3 is odd being the product of three odd numbers

When we add 5, we get

n^3+5 is even being the sum of two odd numbers

A contradiction

Hence our assumption was wrong

if n is an integer and n^3 + 5 is odd, then n is even

7 0
3 years ago
In C++ please.
natali 33 [55]

Answer:

Following are the code to this question:

#include <iostream>//defining header file  

using namespace std;    

bool rightTriangle(int s1,int s2,int s3) //defining method rightTriangle  

{

int t1,t2,t3; //defining integer variables

t1 = s1*s1; // multiplying side value and store it into declaring integer  variables

t2 = s2*s2; // multiplying side value and store it into declaring integer variables

t3 = s3*s3;  // multiplying side value and store it into declaring integer variables

if(t3 == t1+t2)//use if block to check Pythagoras theorem

{

return true; //return true

}

else //else block

{

return false; //return false

}

}

bool equalNums(int n1,int n2,int n3,int n4) //defining method equalNums  

{

if(n1==n3 && n2==n4) //defining if block that checks  

{

return true;//return value true  

}

else //else block  

{

return false; //return value false

}

}

int main()//defining main method

{  

int t1=3,t2=4,t3=5,t11=3,t12=4,t13=5; //declaring integer varibles and assign value  

int check=0;   //defining integer varible check that checks values

if(rightTriangle(t1,t2,t3)&&rightTriangle(t11,t12,t13)) //defining codition to check value using and gate

{

if(equalNums(t1,t3,t11,t13) || equalNums(t2,t3,t12,t13)) // defining conditions to check value using or gate

check = 1; //if both conditions are true

}

if(check==1) //if block to check value is equal to 1

{

cout << "Right Congruent Triangles"; //print message

}

else//else block

{

   cout << "Not Right Congruent Triangles";//print message

}

}

Output:

Right Congruent Triangles

Explanation:

  • In the above-given code, a boolean method "rightTriangle" is declared, in which it accepts three integer variable "s1, s2, and s3" as a parameter, inside the method three another variable "t1, t2, and t3" is declared, in which parameter stores its square value.
  • In the next line, a conditional statement is declared that checks the "Pythagoras theorem" value and returns its value.  
  • In the next step, another method "equalNums" is declared, that accepts four integer parameter "n1, n2, n3, and n4", inside the method a conditional statement is used that uses an operator to check n1, n3, and n2, n4 value if it is true it will return true value else it will return false.
  • Inside the main method, integer variable and a check variable is defined that uses the if block to passes the value into the method and checks its return value is equal if all the value is true it will print the message "Right Congruent Triangles" else "Not Right Congruent Triangles".
7 0
3 years ago
In social networking websites such as twitter, people leave narrow minded and subjective remarks and upload unacceptable videos.
koban [17]
The advice is That you Message Them To remind Them Those Type of posts are not appropriate if people on social Media say bad Things To you you block Them if people don’t Treat you nice
8 0
3 years ago
Which two tools used for incident detection can be used to detect anomalous behavior, to detect command and control traffic, and
allsm [11]

Netflow and IDS (intrusion detection system) are the two tools used for incident detection can be used to detect anomalous behavior, to detect command and control traffic, and to detect infected hosts.

The Netflow is CISCO feature used for collecting IP traffic information and monitoring network traffic on a specific interface. Similar to this, IDS is an a<span>pplication that monitors a network or systems for malicious activity or policy violations.</span>

8 0
4 years ago
Marisol manages the online advertising campaigns for a chain of toy stores with both a physical and an online presence. Which Go
tatiyna

Answer:

Marisol must make use of the Shopping campaign for showing the image of her products, as well as advertise her company's online as well as the local inventory of the toys, as well as boost the traffic to their site and the local toy stores. These types of ads are displayed on Google Shopping which comes just after the search results and near the responsive and text ads.

Explanation:

Please check the answer section.

8 0
3 years ago
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