3 years ago

Plz help me by answering these circled questionsin steps plz

Mathematics

1 answer:

igor_vitrenko [27]3 years ago

3 0

a- is -28 and i’m working out the rest for you now

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kipiarov [429]

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Step-by-step explanation:

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3 years ago

The width of the rectangular drawing is one third the length plus 3 inches. What is the perimeter of the drawing. Write and eval

babymother [125]

Answer:

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3 years ago

12.28 as a mixed number

Bond [772]

12 28/100 , is the answer.

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3 years ago

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IF P(A)=1/3, P(B)=2/5, and P(AuB)=3/5, what is P(A^B)?

Bumek [7]

The probability of the union of two events is the sum of their probability, minus the probability of their interserction:

$P(A \cup B) = P(A) + P(B) - P(A \cap B)$

If we plug the known values into this formula, we have

$\dfrac{3}{5} = \dfrac{1}{3} + \dfrac{2}{5} - P(A\cap B)$

From which we can deduce

$P(A\cap B) = \dfrac{1}{3} + \dfrac{2}{5} - \dfrac{3}{5} = \dfrac{2}{15}$

So, the probability of $A \setminus B$ is a bit less than $P(A)$ , we have to take away all events that belong to B as well:

$P(A \setminus B) = P(A) - P(A\cap B) = \dfrac{1}{3} - \dfrac{2}{15} = \dfrac{1}{5}$

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3 years ago

Name the algebraic property demonstrated in the example below.

lilavasa [31]

The algebraic property demonstrated in the example below is Transitive Property of Equality. There we can see how the first thing is equal to the second one and notice that the first one is equal to the third one too. This is a Transitive Property of Equality in a nutshel.

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4 years ago