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andriy [413]
3 years ago
15

What does "CYBER-COCKROACH" mean??

Computers and Technology
1 answer:
katrin2010 [14]3 years ago
3 0

Answer:

The cyber cockroach is the presented external anatomy of a cockroach, with labeled views of photographs from diverse angles in place of diagrams. The cyber cockroach can be navigated around the head, thorax and abdomen with possible close up views of the legs and the images are downloadable

Cyber cockroach is a useful tool for the study of insects of the Blattodea order

Explanation:

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[20 pts] Write the function rectangle(perimeter, area), which takes two positive integers, perimeter and area. It returns an int
MrRissso [65]

Hi, you haven't provided the programing language in which you need the code, I'll explain how to do it using Python, and you can follow the same logic to make a program in the programing language that you need.

Answer:

import math

def rectangle(perimeter, area):

   l1_1 = (perimeter+math.sqrt((perimeter**2)-(16*area)))/4

   l1_2 = (perimeter-math.sqrt((perimeter**2)-(16*area)))/4

   l2_1 = area/l1_1

   l2_2 = area/l1_2

   print(l1_1,l2_1)

   print(l1_2,l2_2)

   if l1_1.is_integer() and l2_1.is_integer() and l1_1>0 and l2_1>0:

       return(int(max(l1_1,l2_1)))

   elif l1_2.is_integer() and l2_2.is_integer() and l1_2>0 and l2_2>0:

       return(int(max(l1_2,l2_2)))

   else:

       return(None)

Explanation:

  • We import math to make basic operations
  • We define the rectangle function that receives perimeter and area
  • We calculate one of the sides (l1_1) of the rectangle using the quadratic equation to solve 2h^2 - ph + 2a = 0
  • We calculate the second root of the quadratic equation for the same side (l1_2)
  • We calculate the second side of the rectangle using the first root on w = a/h
  • We calculate the second side of the rectangle using the second root on w= a/h
  • We verify that each component of the first result (l1_1, l2_1) is an integer (using the build-in method .is_integer) and greater than 0, if True we return the maximum value between them (using the max function) as w
  • If the first pair of sides evaluate to False we check the second root of the equation and if they meet the specification we return the max value
  • if all the if statements evaluate to false we return None to indicate that not positive or integer sides were found

7 0
2 years ago
Write a java program to read elements in an array from user and count total number of duplicate elements in array.
Anna11 [10]

Answer:

Explanation:

The following code is written in Java and is a function/method that takes in an int array as a parameter. The type of array can be changed. The function then creates a counter and loops through each element in the array comparing each one, whenever one element is found to be a duplicate it increases the counter by 1 and moves on to the next element in the array. Finally, it prints out the number of duplicates.

public static int countDuplicate (int[] arr) {

               int count = 0;

               for(int i = 0; i < arr.length; i++) {

                       for(int j = i + 1; j < arr.length; j++) {

                               if(arr[i] == arr[j])

                                       count++;

                       }

               }

               return count;

       }

8 0
3 years ago
Select all examples of proper keyboarding technique.
krok68 [10]

Answer:

all except keeping your hands higher than your elbows

4 0
2 years ago
1.Which of the following class definitions defines a legal abstract class?a. class A { abstract void unfinished() { } }b. class
xxMikexx [17]

Answer:(c) abstract class A { abstract void unfinished(); }

Explanation:

A legal abstract class must have the keyword abstract before the class and an abstract class has abstract functions with the keyword abstract written and a void as the return type.

8 0
3 years ago
Assume the availability of a function is_prime. Assume a variable n has been associated with positive integer. Write the stateme
My name is Ann [436]

Answer:

def main():

   # Accept data from the user

   n=int(input('Enter the value of n:'))

   k=2;

   sum=0

   print('The list of the prime numbers are as follows:')

   # This loop runs from k to n

   while k<=n:

       # Call is_prime() method,

       # to check whether k is a prime or not

       sum=sum+is_prime(k)

       k=k+1

   print('Sum of the prime numbers:',sum)

# is_prime() Method

def is_prime(k):

   prime=0        

   i=1

   # Check k is a prime or not

   while i<=int(k):

       # Find the factors of k

       if (k % i) == 0:

           prime=prime+1

       i=i+1

   # If k as two factors

   if(prime==2):        

       print(k)

       return k;

   # If k as more than two factors

   else:        

       return 0;

# Call the main() method

main()

Explanation:

5 0
2 years ago
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