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steposvetlana [31]
3 years ago
11

PLZZZZZZZZZZ HELP ME OUT THIS DUE TODAY AND NEED SOMEONE HELP!!!!!plzzzzzzzzzzz i begging you!!!

Computers and Technology
1 answer:
meriva3 years ago
5 0

Answer:

DM Tess, tell her to ignore them

Explanation:

No one is going to listen to you on the internet. The only way to avoid cyberbullying would be to close the computer. Tell her to block them. Easy as that!

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Elliott is trying to normalize a database that he has designed. Which is not one of the elements of 1NF or 2NF?
muminat

Answer: I think it’s D

Explanation: the rest apply to the the rules of 1NF and 2NF

5 0
2 years ago
As related to the use of computers, ____ is defined as gaining unauthorized access or obtaining confidential information by taki
solong [7]

Answer:

Option(B) i.e., social engineering  is the correct option to the question.

Explanation:

The following option is correct because social engineering is the type of attack in which the criminals tricks the computer users to disclose the confidential data or information. Criminals or hackers use this trick because by this they can easily take advantage of your confidential information or corporate secrets.

4 0
3 years ago
A diet to contain at least 2400 units of vitamins, 1800 units of minerals, and 1200 calories two foods , Food A and Food B are t
Firdavs [7]

Answer:

30 units of Food A and 45 units of Food B are to be purchased to keep costs at the minimum $105.

Explanation:

X = Amount of food A

Y = Amount of food B

Z= 2X+Y..... minimum cost equation

50X + 20Y > 2400 .................Vitamins .......(1)

30X + 20Y > 1800 ...................Minerals.......(2)

10X + 40Y > 1200 .................Calories ..........(3)

X  > 0

y  > 0

X=30  and Y = 45

Z= 2(30) + 45 = $105

8 0
3 years ago
The Sieve of Eratosthenes is an elegant algorithm for finding all the prime numbers up to some limit n. The basic idea is to fir
IRISSAK [1]

Answer:

Check the explanation

Explanation:

#!usr/bin/python

#FileName: sieve_once_again.py

#Python Version: 2.6.2

#Author: Rahul Raj

#Sat May 15 11:41:21 2010 IST

 

fi=0 #flag index for scaling with big numbers..

n=input('Prime Number(>2) Upto:')

s=range(3,n,2)

def next_non_zero():

"To find the first non zero element of the list s"

global fi,s

while True:

if s[fi]:return s[fi]

fi+=1

def sieve():

primelist=[2]

limit=(s[-1]-3)/2

largest=s[-1]

while True:

m=next_non_zero()

fi=s.index(m)

if m**2>largest:

primelist+=[prime for prime in s if prime] #appending rest of the non zero numbers

break

ind=(m*(m-1)/2)+s.index(m)

primelist.append(m)

while ind<=limit:

s[ind]=0

ind+=m

s[s.index(m)]=0

#print primelist

print 'Number of Primes upto %d: %d'%(n,len(primelist))

if __name__=='__main__':

sieve()

4 0
3 years ago
How do you do this question?
laila [671]

Answer:

(a) 1 to 8

(b) 1 to 6

Explanation:

A "leaf" is a node at the end of a binary tree (in other words, it has no "children").  All other nodes are "non-leaf" nodes.

The smallest number of leaves is 1.  That would be a binary tree that's just a straight line; each node will have only 1 child, until you get to the last node (the leaf).

To find the largest number of leaves, we start drawing a full binary tree.  A complete tree with 15 nodes has 7 non-leaf nodes and 8 leaf nodes.  A full tree with 6 non-leaf nodes can have up to 6 leaf nodes.

6 0
3 years ago
Read 2 more answers
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