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Marizza181 [45]
3 years ago
9

If A and B are mutually exclusive events with P(A)= 0.3 and P(B)= 0.5, then P(A and B)=

Mathematics
1 answer:
arsen [322]3 years ago
4 0

Answer:

P (A\ and\ B) = 0

Step-by-step explanation:

By definition if two events are mutually exclusive then they are disjoint events, that is, they can not occur at the same time.

In general terms we say that events are mutually exclusive, then:

P (A\ and\ B) = 0

In this case we have that

P(A)= 0.3\\\\P(B)= 0.5

But A and B are mutually exclusive events, then P (A\ and\ B) = 0

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45/4140 show the work
kicyunya [14]

1/92

what is the number we can divide both 45 and 4140 by. it is 45. divide.

45/45=1

4140/45=92

the answer is 1/92

6 0
4 years ago
The circular base of a cone has a radius of 5 centimeters. The height of the cone is 12 centimeters, and the slant height is 13
Iteru [2.4K]

Answer:

283 cm^2

Step-by-step explanation:

Solution:-

We have a cone with a circular base of radius r = 5 cm

The height of the cone is h = 12 cm

The slant height of the cone is L = 13 cm

We are to determine the surface area of the cone. The surface area of the cone is comprised of two parts:

         Base Area : Circle

               A_1 = \pi r^2\\\\A_1 = \pi 5^2\\\\A_1 = 25\pi

        Curved Surface: conical

                A_2 = \pi * r*L\\\\A_2 = \pi * 5*13\\\\A_2 = 65\pi

The total surface area of the cone can be written as ( A ):

               A = A_1 + A_2\\\\A = (25 + 65 )*\pi \\\\A = 90*(3.14) \\\\A = 282.7433 cm^2

Answer: The surface area of the cone to nearest whole number would be 283 cm^2

4 0
4 years ago
X^2-3x+2 is a standard or not standard from
NemiM [27]
It’s standard form
standard form is generally ax^2+bx+c
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Kara wants to make a histogram of the number of students who wear blue shirts in her class throughout the week. She gathered the
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Answer

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Step-by-step explanation:

Then number of blue shirts worn on the vertical

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Step-by-step explanation:

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