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3 years ago

If two fair dice are rolled at the same time, what is the probability that of it obtaining two multiples of 3?

2 answers:

6 0

Im assuming this is a non biased 6 sided dice,

multiples of 3 would be 3 and 6 therefore chance of rolling one would be 2/6 = 1/3.

however since the question says two dice at the same time, you have to multiply the probability which would be 1/3 x 1/3 = 1/9

Bingel [31]3 years ago

6 0

How many multiples of three are there in a dice?
6 and 3. So 2.
And there are 6 possible outcomes for each dice, and both dices added there are 12 possible outcomes. This number will be your denominator.
So since there are 2 in each dice, add them to equal 4, and put the 4 as the nominator.
Anser: 4/12.

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Find the value of k and x2<br> x^2+ 13x + k = 0, x1=-9

Anarel [89]

Given:

The quadratic equation is:

$x^2+13x+k=0$

$x_1=-9$

To find:

The value of k and $x_1$ .

Solution:

We have,

$x^2+13x+k=0$ ...(i)

Putting $x=-9$ , we get

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Putting $k=36$ in (i), we get

$x^2+13x+36=0$

Splitting the middle term, we get

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Here, $x_1=-9$ and $x_2=-4$ .

Therefore, the required values are $k=36$ and $x_2=-4$ .

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3 years ago

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tresset_1 [31]

Answer:

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Step-by-step explanation:

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Pani-rosa [81]

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For example:

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We would need to use both coordinates to work out the gradient (m) by using the formula:
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The slope intercept form is used when we are given enough information to work out the gradient as well as the y-intercept.

For example:
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Strike441 [17]

Answer:

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Step-by-step explanation:

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