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3 years ago

10.3n is an odd number, which of the following represents an evennumber?

Mathematics

1 answer:

Doss [256]3 years ago

5 0

Answer:

2n and n + 1 are even if n is odd.

20 * (10.3)*n is even if (10.3)n is odd.

Step-by-step explanation:

Are you talking about the expression 10.3n or simply n ?

If n is an odd number then n+1 is even

2*n is even

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Elena-2011 [213]

Answer:

The correct answer is: Option D) 5

Step-by-step explanation:

Given equation is:

$3(x + 2) + x = 2x + 16$

In order to find that which values of x makes the equation true, we have to put each value of x in the equation. When both sides of equations will be equal, that value of x will be true for the equation.

Putting x = 2

$3(2 + 2) + 2 = 2(2) + 16\\3(4)+2 = 4+16\\12+2 = 20\\14 \neq 20$

Putting x = 3

$3(3 + 2) + 3 = 2(3) + 16\\3(5)+3 = 6+16\\17+3 = 22\\20 \neq 22$

Putting x=4

$3(4+2)+4 = 2(4)+16\\3(6)+4 = 8+16\\18+4 = 24\\22 \neq 24$

Putting x = 5

$3(5+2)+5 = 2(5)+16\\3(7)+5 = 10+16\\21+5 = 26\\26 = 26$

The equation is true for x = 5

Hence,

The correct answer is: Option D) 5

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3 years ago

10.3n is an odd number, which of the following represents an evennumber?​

10.3n is an odd number, which of the following represents an evennumber?