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3 years ago

Which statement is true about whether Z and B are

Mathematics

2 answers:

Dmitrij [34]3 years ago

6 0

Answer:

Z and B are independent events because P(Z I B) = P(Z)

Step-by-step explanation:

If Z and B are independent, Z does not affect B and B does not affect Z.
This means that, to know something about B does not help predicting Z, and to know something about B does not help predicting Z.
Then, the probability P (Z/B) = P(Z) because B does not add any information about Z, therefore, the probability of Z only depends on itself.

Doss [256]3 years ago

3 0

Answer:

The correct answer is:

A. Z and B are independent events because P(Z∣B) = P(Z).

Step-by-step explanation:

Hope this helps! :)

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Which relationship describes angles 1 and 2?

umka2103 [35]

I belive its B,and D,
B because, the lines are supplementary(because supplementary means it equal 180 degrees in length, which is those two angles.)
D, because they are put in such an angle in which making them adjecant.
Hope I helped:-) Bye bye.

8 0

3 years ago

Read 2 more answers

Write the augmented matrix for each system of equations.

Virty [35]

Answer:

see below

Step-by-step explanation:

List the coefficients and constant for an equation in one row of the matrix. The variables should be in the same order. Any missing terms are replaced by zero.

$\left[\begin{array}{ccc|c}9&-4&-5&9\\7&4&-4&-1\\6&-6&1&-5\end{array}\right]$

8 0

3 years ago

What is the approximate circumference of the circle shown below<br><br>need help fast

Lemur [1.5K]

C
All u have to do is add 23.5 to 23.5

7 0

3 years ago

What is the point of intersection when the system of equations below is graphed on the coordinate plane?

lora16 [44]

Answer:

<h2>not exist</h2>

Step-by-step explanation:

The coordinates of the intersection of the line are the solution of the system of equations.

$\underline{+\left\{\begin{array}{ccc}x-y=1\\y-x=1\end{array}\right}\qquad\text{add both sides of the equations}\\.\qquad\qquad0=2\qquad\bold{FALSE}$

The system of equations has no solution. Therefore, the lines are parallel (the intersection does not exist).

5 0

3 years ago

15 less than a number tripled is equivalent to the difference of the same number and 12

Nitella [24]

Step-by-step explanation:

x = number

3x - 15 = (x - 12)×-4 or (12-x)×-4

3x - 15 = -4x + 48 or -48 + 4x

7x = 63, x = 9 or

33 = x

4 0

3 years ago