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NikAS [45]
3 years ago
14

which of these is an example of a discrete random variable? A. Time worked on a job B. Weight of a child C. First digit of a pho

ne number D. Length of a fish
Mathematics
2 answers:
sattari [20]3 years ago
8 0

A discrete random variable has a countable number of possible values. In this case I am pretty sure it is either none of the above or maybe the phone one.

sergiy2304 [10]3 years ago
4 0

es la c

agddfuygafgaufkgydkuyfegag

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What is the equation of the graphed line written in standard form? 2x – y = –4 2x – y = 4 y = 2x – 4 y equals StartFraction one-
svp [43]

Answer:

The answer is "2x-y=4"

Step-by-step explanation:

Given:

2x-y=-4\\2x-y=4\\y=2x-4\\y=\frac{1}{2}(x-4)\\

The Formula of Slope:

m=\frac{y_2-y_1}{x_2-x_1}

by replacing the (2,0) and (0,-4) coordinates in the above formula:

\to m= \frac{-4-0}{0-2}\\\\ \to  m= \frac{-4}{-2}\\\\ \to  m= \frac{4}{2}\\\\ \to m= 2\\\\

if point y intercepting in x then x=0, for this the value of x= 0 and c=-4.

Equation of the line:

\to  y=mx+c

apply m and c value in the above equation:

\to  y=2x-4\\

Subtract by 2x on both sides of the equation we get:

\to  y-2x= 2x-4-2x\\\\\to  y-2x=-4\\\\\boxed{\boxed{2x-y=4}}\\\\

5 0
3 years ago
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I NEED HELP WITH THIS MATH QUESTION, what are the 3 options ?
Zina [86]

Answer:

last one

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There are 874 pieces of candy in the piñata. There are 23 children at the party, and they all agreed to split the candy equally.
blsea [12.9K]

Answer:

38 candies.

Step-by-step explanation:

Given the following data;

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3 years ago
NEED HELP WITH THESE
faltersainse [42]

Step-by-step explanation:

1 .f(x)=x^{2}-x+1

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   f(-1)= 1+1+1

      = 3

3.f(x)=x^{2}-x+1

 f( 1)=(1)-1+1

  f( 1)=1-1+1

        =1

5. f(x)=x^{2}-x+1

    f(3)=(3)^{2}-3+1

         = 9-3+1

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2. g(x) = 5 - 3x

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6.g(x) = 5 - 3x

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3 0
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