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3 years ago

On a number line, what is the distance between –14 and –3?

Mathematics

1 answer:

Allisa [31]3 years ago

7 0

Answer:

Step-by-step explanation:

if you find it difficult you can always write is down as a piece of side working

-14

-13

-12

-11

-10

-9

-8

-7

-6

-5

-4

-3

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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

Find the value of x and y

notsponge [240]

Answer:

Step-by-step explanation:

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3 years ago

The diagram shows one way to develop the formula for the area of a circle. Pieces of a circle with radius r are rearranged to cr

IRINA_888 [86]

Answer:

A = 1/2(2πr)(r)

Explanation:

The circumference of the circle, 2πr, is the measure completely around the circle. When the pieces of the circle are rearranged, half of this circumference will be on the top of the parallelogram and half will be on the bottom. This means the base will be 1/2(2πr).

The approximate height of the parallelogram is the radius of the circle; this makes the area

A = 1/2(2πr)(r)

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3 years ago

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The expression 15 n + 5 n + 5 Which is another way to write this expression?

bixtya [17]

Answer:

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Step-by-step explanation:

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