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Ulleksa [173]
3 years ago
15

Explain why 2n+1 must be an odd number

Mathematics
1 answer:
Lorico [155]3 years ago
4 0
If is an integer (a whole number), then the expression represents an even number, because even numbers are the multiples of 2. The expressions 2 n − 1 and 2 n + 1 can represent odd numbers, as an odd number is one less, or one more than an even number.
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1 cm^3

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1 x 1 x 1 = 1

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irina [24]

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8 0
3 years ago
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frozen [14]

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4 0
3 years ago
Read 2 more answers
Need some help please and thanks​
Elina [12.6K]

Answer:

answer is c

Step-by-step explanation:

x-15<4          x-15>-4

     +15                 +15

------------------------------------

x<19                    x>11

                or

            11<x<19

3 0
3 years ago
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