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nlexa [21]
2 years ago
13

Brainliest if you provide an explanation and/or get it right!

Mathematics
1 answer:
vaieri [72.5K]2 years ago
4 0
Y=1.75(3)

y=5.25

Hope this helps!! You just have to plug 3 in for x
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A computer program contains one error. In order to find the error, we split the program into 6 blocks and test two of them, sele
Aleksandr-060686 [28]
There are \dbinom62 ways of selecting two of the six blocks at random. The probability that one of them contains an error is

\dfrac{\dbinom11\dbinom51}{\dbinom62}=\dfrac5{15}=\dfrac13

So X has probability mass function

f_X(x)=\begin{cases}\dfrac13&\text{for }x=1\\\\\dfrac23&\text{for }x=0\end{cases}

These are the only two cases since there is only one error known to exist in the code; any two blocks of code chosen at random must either contain the error or not.

The expected value of finding an error is then

\displaystyle\sum_{x=0}^1xf_X(x)=0\times\dfrac23+1\times\dfrac13=\dfrac13
7 0
3 years ago
Which values of a, b, and c correctly represent the answer in simplest form? 6 al- o a=1,0-5,0-9 a= 10,5= 18.0= 1 a=9,0-5,0- 1 a
kumpel [21]

Answer:

The question is not explained well, Please explain it better or take a screenshot or something

Step-by-step explanation:

8 0
3 years ago
Write the equation of a line parallel to the y-axis and passing through the point<br>(-3,-4).​
Daniel [21]

Answer:

x = -3 is the answer. Writing this cause brainly requires a 20 character answer.

8 0
2 years ago
-mapnwea.org growth/#/test-player
Aneli [31]

Answer: A and C and D and E

Step-by-step explanation:

I got this Q actually

5 0
3 years ago
Read 2 more answers
B. Rob would like to create a triangle that is
Phantasy [73]

Answer:

14y + 9

Step-by-step explanation:

Perimeter of the given triangular above = sum of all its sides.

= (y + 9) + 2y + (4y - 1) = y + 9 + 2y + 4y -1

Collect like terms

= y + 2y + 4y + 9 - 1

= 7y + 8

If Bob creates a new triangle that is 7 less than twice of the perimeter of the triangle above, the expression of the new triangle would be:

2(7y + 8) - 7

Simplify

2*7y + 2*8 - 7

14y + 16 - 7

New perimeter = 14y + 9

5 0
3 years ago
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