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kupik [55]
3 years ago
9

A and B are independent events. P(A) = 0.80 and P(B) = 0.10. What is P(A and B)?

Mathematics
2 answers:
Crank3 years ago
7 0

Answer: 0.08

Step-by-step explanation:

Misha Larkins [42]3 years ago
5 0

Answer: C. .08

Step-by-step explanation:

Apx

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Help me with this question please and thank you!! :)
DIA [1.3K]

A \cup B represents the set that contains all the elements that are in at least one of the sets, so A \cup B=\{1, 2, 5, 6, 7, 8, 9, 10, 12, 16, 18, 19, 20, 21, 22, 23, 25\}.

We want the complement of this set (in other words, the set with all the elements in the universal set but not in the given set).

This set is {3, 4, 11, 13, 14, 15, 17, 24}

8 0
2 years ago
cathy picks 216 pears. she packs the same number of pears into each box. All of the pears are put into boxes. She can choose a b
evablogger [386]

She should pick the box which holds 8 pears. 8*27 is exactly 216.

8 0
3 years ago
The area of a trapezoid is 18 square meters. One base is 3 meters long and the other is 6 meters long. Find the height of the tr
aleksley [76]

Answer:

height = 4 meters

h = 2A / ( a +  b )

Step-by-step explanation:

Let A represent the area of the trapezoid, h, the height a, the length of one base and b, the length of the other base

Area of a trapezoid, A = ( a + b)* h / 2

Now let's slot in the given values

A= 18 sq meters

a = 3 meters

b = 6 meters

we have;

18 = ( 3 + 6 ) * h /2

18 = 9 * h /2

Cross multiply

18*2 = 9h

36 = 9h

divide both sides by the coefficient of h (9)

4 = h

therefore, h = 4 meters

To solve for h without substituting

From A = ( a + b )* h /2

cross multiply

2*A = ( a + b )* h

divide both sides by ( a + b )

2A / ( a + b ) = h

therefore,

h = 2A / ( a +  b )

8 0
3 years ago
The temperature has been going down at a constant rate. In 4 hours it went down 12 degrees. Which expression best shows the temp
Nookie1986 [14]

Answer:

i think its 45 % but where are the expressions

Step-by-step explanation:


4 0
4 years ago
Construct a polynomial function with the following properties: fifth degree, 4 is a zero of multiplicity 3, −4 is the only other
Nonamiya [84]

Answer:

Step-by-step explanation:

Hello,

degree 5

4 is a zero of multiplicity 3 -> (x-4)^3 is a factor

-4 is the only other zero, so the multiplicity is 5-3=2 -> (x+4)^2 is a factor

leading coefficient is 4 so we can write

\boxed{4(x-4)^3(x+4)^2}

If there is something that you do not understand or you are blocked somewhere let us know what / where.

Thank you.

8 0
3 years ago
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