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Studentka2010 [4]
3 years ago
10

The product of 3 consecutive odd numbers is 2,145. Enter a simplified expression for finding the numbers. Let n be the first odd

number.
Mathematics
1 answer:
Arlecino [84]3 years ago
6 0

Answer:

11, 13 and 15.

Step-by-step explanation:

Let's say that the odd number is "x". If x is for example 15, then the next ODD number would be 15+2=17 and the one after that would be 15+2+2=15+4=19.

Applying that here, we get:

Odd number* the next odd number*the next odd number=2145

x*(x+2)*(x+4)=2145

x*(x^2+4x+2x+8)=2145

x^3+6x^2+8x=2145

By solving the polynomial, you get x=11.

Which makes our three numbers: 11, 13 and 15.

11*13*15=2145. The answer checks.

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-- There are 6 possible out comes.
-- One of them (5) is a multiple of 5 .
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If everything is acting perfectly random, then ion 100 rolls,
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If you're rolling a pair of cubes, then ...

-- There are (6 x 6) = 36 possible outcomes.
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