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2 years ago

Lucy rolls 2 fair dice and adds the results from each. Work out the probability of getting a total that is a multiple of 5

Mathematics

1 answer:

Sergio039 [100]2 years ago

7 0

Answer:

(1,4) ( 4,1) (2,3) (3,2)

Step-by-step explanation:

Multiples of 5 = 5 and 10

Ways to roll a 5 = (1,4) ( 4,1) (2,3) (3,2)

Ways to roll a 10 = (5,5) (4,6) (6,4)

We have 7 possible outcomes for a multiple of 5...and there are 36 possible outcomes in total

So P (multiple of 5) = 7 / 36

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Step-by-step explanation:

Just follow distributive property to solve these. You can ignore the first expression in both until you have to compare the answers.

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2 years ago

What’s the multipcative inverse of 1/4

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Hey!

Answer:

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Step-by-step explanation:

The multiplicative inverse of a number is the reciprocal of it. (a/b → b/a).

Basically you divide 1 by the other number. (1 ÷ 1/4 = 4 or 4/1).

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