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Inga [223]
2 years ago
8

Simplify −√81 3 −2√48 3 +2√24 Work Needed

Mathematics
2 answers:
MissTica2 years ago
6 0

Answer:

Step-by-step explanation:

inna [77]2 years ago
5 0

Answer:

Step-by-step explanation:

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72 + 12 / 35 + 7

84 / 42

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The radius of a circle is 8 cm<br> Calculate the circumference of the circle <br> [Use pi r = 3.1]
denis-greek [22]

Answer:

49.6cm

Step-by-step explanation: First you have to find the diameter of the circle by multiplying the radius by 2.

8x2=16

Then multiply 16 by 3.1

16x3.1=49.6


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3 years ago
Bob planted 4 tomatoes, 2 of them grew but the other ones didn't. How many didn't grow
Marizza181 [45]

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Step-by-step explanation:

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3 years ago
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Assume that we have two events, A and B, that are mutually exclusive. Assume further that we know P(A) = 0.3 and P(B) = 0.7. If
Thepotemich [5.8K]

Answer:

See below

Step-by-step explanation:

What is P(A B)?

If A and B are mutually exclusive, then  

P(AB) = P(A∩B) = P(∅) = 0

What is P(A | B)?

By definition  

<em>P(A | B) =  P(A∩B)/P(B). </em>

Since  

P(A∩B) = 0, then P(A | B) = 0

Is P(A | B) equal to P(A)?

No, because P(A | B) = 0 and P(A) = 0.3

Are events A and B dependent or independent?

A and B would be independent if

P(A | B) = P(A) and P(B | A) = P(B)

But both P(A |B) and P(B | A) equals 0 and P(A) = 0.3, P(B) = 0.7

Hence, <em>A and B are dependent. </em>

A student in statistics argues that the concepts of mutually exclusive events and independent events are really the same, and that if events are mutually exclusive they must be independent. Is this statement accurate?

No, it is not.

As we already saw, A and B are mutually exclusive but they are not independent.

What general conclusion would you make about mutually exclusive and independent events given the results of this problem?

If A and B are not empty events which are mutually exclusive, they can never be independent.

6 0
3 years ago
Which expressions are equivalent to 2(4f+2g)?
zzz [600]
Answers are C) 8f+4g D) 4(2f+g) & E) 4f+4f+4g
4 0
3 years ago
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