Two dice are thrown together. what is the probability of obtaining a triangular number?

Mathematics

1 answer:

-BARSIC- [3]2 years ago

4 0

Answer:

what is triangular number?

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What number must you add to the polynomial below to complete the square? x2 - 3x

USPshnik [31]

The coefficient of the x-term is -3. Add the square of half of that.
.. (-3/2)² = 9/4 . . . . . . the number you need to add.

x² -3x +9/4 = (x -3/2)²

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If the x² term has a coefficient other than 1, you need to factor that out first and deal with the remaining binomial. For example,
.. 2x² -6x = 2(x² -3x)
For this you would need to add 9/4 inside parentheses to get
.. 2(x² -3x +9/4) = 2(x -3/2)²
Of course, to keep the original value, you would need to subtract 2*(9/4) outside parentheses.
.. 2x² -6x = 2(x -3/2)² -9/2

7 0

3 years ago

Is it even an option on my Penn Foster Exam?

Anton [14]

Lel nope gotta take it

7 0

3 years ago

Please helpp due soon!! 10 points :)

zubka84 [21]

Answer:

$2.3\:\mathrm{in^3},\\1.3\:\mathrm{fl\:oz}$