WinfredUmanzor WinfredUmanzor
  • 22-04-2014
  • Mathematics
contestada

If n is even, which of the following cannot be odd?

a) n + 3
b) 3n
c) n² - 1,
Can you please explain with some details?

Relax

Respuesta :

runescapememo8 runescapememo8
  • 22-04-2014
b) 3n
well, first of all, you can try it out with numbers like 4,6,28...
3(4)
=12
3(6)
=18
3(28)
=84

also, you can disprove the other theories
a) 0+3=3 (odd)

b) 4^2-1=15 (odd)



Answer Link

Otras preguntas

order from least to greatest 7.081 , 7.81 , 7.002 , 7.14
Fill In The Table To Remind You Whay happens when you multiply integers
100,203 In two other forms
How do you Simply 3x^3 - 2x^2
A wall in Marcus's bedroom is 825 825 feet high and 1623 1623 feet long. If he paints 12 12 of the wall blue, how many square feet will be blue?
which geometric instrument would i use to measure the length of a segment, the compass or the straightedge?
Find the square root of 529
At lunch, 8 friends share 6 sandwiches equally. What fraction of a sandwich does each friend get?
propose five ways in which the government can ensure that the help it offer is received only by the people who are in need
four times the square root of six hundred twenty five