9 items are filed under this topic.
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Is -1 an odd integer? |
2020-09-27 |
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From Nicole:
is -1 an odd integer?
Answered by Penny Nom. |
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The sum of three consecutive even integers |
2019-01-27 |
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From Pauleen:
Translate this into algebraic expression
The sum of three consecutive even integers, if x is the first even integer
Answered by Penny Nom. |
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Divisibility of 3n^5+7n |
2016-12-14 |
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From Parag:
Question from Parag, a student:
if n is a natural number,then 3n^5+7n is divisible by
a)2
b)3
c)5
d)7
i got the answer but still i need a valid alternate approach.
Answered by Penny Nom. |
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Five consecutive even integers |
2016-08-12 |
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From Marcelle:
The average of 5 even consecutive numbers is 112. What is the largest numbers?
Answered by Penny Nom. |
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Even and odd |
2014-11-28 |
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From Subrahmanya:
n1, n2, n3....................,n1997 are integers not necessarily distinct. (actually in n1, n2,.............., n1997 the numbers 1,2,.................,1997 are subscripts of 'n')
X= (-1)^n1+(-1)^n2+............+(-1)^n998
Y=(-1)^n999+(-1)^n1000+............+(-1)^n1997
Then
which of the following options is true
A) (-1)^X = 1, (-1)^Y = 1 B) (-1)^X = 1, (-1)^Y = -1
C) (-1)^X = -1, (-1)^Y = 1 D) (-1)^X = -1, (-1)^Y = -1
E) none of these
Answered by Penny Nom. |
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If n is odd, then n^2 - 3 is even |
2012-12-11 |
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From Tracy:
Prove the statement:
For all integers n, if n is odd, then n2 - 3 is even.
Answered by Penny Nom. |
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The product of two consecutive even integers |
2010-05-11 |
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From Terry:
The product of two consecutive even integers is 14 more than their sum. Find the integers.
Answered by Penny Nom. |
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Consecutive even integers |
2010-02-03 |
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From cassandra:
find 2 consecutive even integers whose sum is 34
find 3 consecutive even integers such that 3 time the middle interger is 10 more than the greatest.
Answered by Tyler Wood. |
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Is zero an even or odd number? |
2000-02-06 |
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From Christian Hansen:
On a list I run, someone posted that 02-02-2000 was the first date since 28-08-888 where all the digits were even. Of course, this provoked a discussion of whether zero was odd, or even, or neither. I remember reading that, for symmetry's sake, it is considered by mathematicians to be even. Any thoughts?
Answered by Patrick Maidorn. |
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