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Natasha_Volkova [10]
2 years ago
7

N is an odd number.

Mathematics
1 answer:
nikitadnepr [17]2 years ago
3 0

Answer:

True:

D.

E.

F

Step-by-step explanation:

First, you should know that the square of any odd number is also odd.

The easiest way to go about this is to plug in an odd number for n. Lets use 3:

Plug 3 into A:

3^{2} -1=9-1=8

Plug 3 into B:

3(3-1)=9-3 = 6

Plug 3 into C:

(3-2)^{2} = 2^{2}  = 4

Plug 3 into D:

3^{2} +2 = 9+2=11

Plug 3 into E:

3(3-2) = 9-6 = 3

Plug 3 into F:

(3-2)^{2}=1^{2}  =1

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<em>Comment on tools</em>

A graphing or scientific calculator is useful for these. Something like a TI-84, or any of the equivalents, will have financial calculations like this built in. There are also numerous apps available for phone or tablet that will do financial calculations.

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