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Elan Coil [88]
2 years ago
13

A universal set contains only sets A and B. If A∩B = Ø and A and B are not the empty set, then all of the following are true exc

ept ______.
A. A and B are disjoint.
B. A is equal to B complement.
C. A∪B={}
D. A is not a subset of B.
Mathematics
2 answers:
DaniilM [7]2 years ago
8 0
B?................................
mafiozo [28]2 years ago
6 0

Answer:The correct answer among the choices provided is the third option. All of the other statements are true except A∪B={}. Both A and B are said to be non-empty. The open and close parentheses is equal to an empty set.


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A grab bag contains 12 packages worth $.70 each, 15 packages $.40 cents each, and 25 packages worth $.30 each. what is the expec
Salsk061 [2.6K]

The expected value of the discrete distribution, if you have to pay $.50 to pick one package at random, is of -$0.08.

<h3>What is the mean of a discrete distribution?</h3>

The expected value of a discrete distribution is given by the <u>sum of each outcome multiplied by it's respective probability</u>.

For this problem, considering the cost of $0.5, the distribution is given as follows:

  • P(X = 0.2) = 12/(12 + 15 + 23) = 12/50 = 0.24.
  • P(X = -0.1) = 15/(12 + 15 + 23) = 15/50 = 0.3.
  • P(X = -0.2) = 23/(12 + 15 + 23) = 23/50 = 0.46.

Hence the expected value is given by:

E(X) = 0.2 x 0.24 - 0.3 x 0.1 - 0.2 x 0.46 = -$0.08.

More can be learned about the expected value of a discrete distribution at brainly.com/question/13008984

#SPJ1

8 0
1 year ago
V=pir^2h solve this equation for h
Nady [450]
Since we are solving for h, the equation:

V = πr²h

...divides πr² to the other side. Thus, it becomes....

\frac{V}{ \pi r^2} = h

Which can be rewritten as....

h = \frac{V}{ \pi r^2}
3 0
3 years ago
Read 2 more answers
What is SV? Put the answer down below.
viktelen [127]

The measure of length SV is 60 units

<h3>Isosceles Right Triangle</h3>

An Isosceles right triangle is a right triangle that has equal opposite and adjacent sides.

The above means that:

SV = ST

Substitute values for SV and ST

2z = z + 30

Subtract z from both sides

z = 30

From the figure, we have:

SV = 2z

Substitute 30 for z

SV = 2 \times 30

SV = 60

Hence, the measure of length SV is 60 units

Read more about isosceles right triangle at:

brainly.com/question/3956010

8 0
2 years ago
Make b the subject of the formula <br><img src="https://tex.z-dn.net/?f=k%20%3D%20%20%5Cfrac%7Bbrt%7D%7Bv%20-%20b%7D%20" id="Tex
balu736 [363]

Answer:

b = \frac{kv}{k+rt}

Step-by-step explanation:

Given

k = \frac{brt}{v-b} ← multiply both sides by (v - b)

k(v - b) = brt ← distribute left side

kv - kb = brt ( subtract brt from both sides )

kv - kb - brt = 0 ( subtract kv from both sides )

- kb - brt = - kv ( multiply through by - 1 to clear the negatives )

kb + brt = kv ← factor out b from each term on the left

b(k + rt ) = kv ← divide both sides by (k + rt )

b = \frac{kv}{k+rt}

5 0
3 years ago
Z = { x:x is an integer, x ≥ - 3 and x ≤ + 3}​
tankabanditka [31]

Answer:

If this is asking for the set:

Z = {-3, -2, -1, 0, 1, 2, 3}

Step-by-step explanation:

Z is the set of all integers and it appears that you are being asked for the values in the set Z that are within the range:  -3 ≤x ≤ 3

5 0
2 years ago
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