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Aleks [24]
3 years ago
6

What is the P(1,6,4) on 3 rolls of a dice? show how you got the answer!

Mathematics
1 answer:
julia-pushkina [17]3 years ago
4 0

Answer:

<h2>1/9</h2>

Step-by-step explanation:

Given the sample space of a die S=(1,2,3,4,5,6)

and the sample size=6

the probability of obtaining the number 1 Pr(1)= 1/6= 1/6

the probability of obtaining the number 6 Pr(1)= 6/6= 1

the probability of obtaining the number 4 Pr(1)= 4/6= 2/3

Hence the probability of   P(1,6,4) = \frac{1}{6} *1 *\frac{2}{3} =\frac{2}{18} = \frac{1}{9} \\

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Lilit [14]
0.5a - 1.9b = -1.4 b
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3 years ago
Help me pliss <br>which one is correct?​
Anna71 [15]
D. (2,5) is the answer
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2 years ago
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Which statements about the graph of the function f(x) = –x2 – 4x + 2 are true? Check all that apply. The domain is {x|x ≤ –2}. T
Leto [7]
The graph of the function f(x) =-x^2-4x + 2 is parabola with branches going down in the negative direction of y-axis. 
The vertex of parabola has coordinates:

x_v=\dfrac{-(-4)}{2\cdot(-1)}=-2, \\ y_v=-(-2)^2-4\cdot (-2)+2=-4+8+2=6

Then you can conclude that all x are possible, that means that the dimain is x\in (-\infty,\infty) and the maximum value of y is at the vertex, then the range is (-\infty,6].The function is increasing for x<-2 and decreasing for x>-2 (since vertex is the maximum point).
When x=0, y=2. 
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<span>The domain is {x|x ≤ –2} - false.
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<span>The range is {y|y ≤ 6} - true.
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<span>The function is increasing over the interval (–∞ , –2) - true.
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8 0
3 years ago
Read 2 more answers
Which expression represents the number of feet that are in x yards?
AleksandrR [38]

we know that

1\ yard=3\ feet

Let

y-------> the number of feet that are in x yards

by proportion

<u>Find the value of y</u>

\frac{3}{1} \frac{feet}{yard}=\frac{y}{x} \frac{feet}{yards} \\ \\y=3x\ feet

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<u>the answer is the option C</u>

3x

3 0
3 years ago
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2<br> Graph y = 2/3x - 4
AysviL [449]

ANSWER:

(IMAGE ATTACHED)

EXPLANATION:

This equation is called a slope intercept form. The formula is y=mx+b.

"b" or -4 in this case is the y-intercept. It's where the line meets the y line (vertical line). The "m" or 2/3 is the slope. All slopes are written in y/x.

So, starting from (0, -4), you will go up 2 and go right 3. You will end up at (3, -2). Now, just draw a line through (0, -4) and (3, -2).

Your graph should show up like this:

3 0
2 years ago
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