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Triss [41]
3 years ago
13

If m + 1 is an an even integer which one of the following must be an odd integer ?

Mathematics
2 answers:
Olenka [21]3 years ago
7 0

Answer:

Option C.

Step-by-step explanation:

Even number : A number is called even if it is divisible by 2, i.e., 2, 4, 6,...

Odd number : A number is called odd if it is not divisible by 2, i.e., 1,3,5,...

It is given that m + 1 is an an even integer.

Since alternate numbers are even, therefore m must be an odd number.

If m is odd, then m-1 is even.

2m is divisible by 2, so it is always an even number. So,

2m - 2 is even.

2m+1 is odd.

2m+2 is even.

Since 2m+1 is an odd number, therefore the correct option is C.

AveGali [126]3 years ago
4 0

Answer:

C: 2m + 1

Step-by-step explanation:

If m + 1 is even, then m is odd.

A: m - 1 is even

B: 2m - 2 is even

C: 2m + 1 is odd

D: 2m + 2 is even

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Complete question is;

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B) 0.73

Step-by-step explanation:

Let B denote that there is a defect in the break system

Let T demote that there is a defect in transmission

Let F denote that there is a defect in the fuel system.

Let P denote that there is a defect in some other area.

Now, we are given;

P(B) = 0.25

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Now, we want to find the probability that the defect is the brakes or the fueling system. This is expressed as;

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Plugging in the relevant values to give;

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Step-by-step explanation:

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