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Ainat [17]
2 years ago
7

When you add 18 to 1/4 of a number,you get the number itself ?

Mathematics
1 answer:
Dafna11 [192]2 years ago
4 0

Let x be the unknown number. Then we have 18+x/4=x which is the same as (3/4)x=18 or x=24.
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Answer:

Option C 5/12 is correct option

Step-by-step explanation:

We have to find the probability that shows yellow dice has a larger value than the red dice.

Probability= total no of favorable outcomes / total no of outcomes

in our case, considering the data set, we have to find those pair where value of yellow die is greater than the red die. Where (1,2) represents 1 on the red die and 2 on the yellow die

(1,2) (1,3) (1,4) (1,5) (1,6)

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              (3,4) (3,5) (3,6)

                       (4,5) (4,6)

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These are the possibilities where yellow die has greater value than red die.

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total no of outcomes = 36

probability that yellow die has greater value than red die = 15 / 36

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Answer:

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Step-by-step explanation:

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First, we need to factor each denominator

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So, the least common factor (LCF) is x(x-3)(x+3), because they are the factors that repeats.

Now, we diviide the LCF by each denominator, to then multiply it by each numerator.

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Then, we factor the numerator, to do so, we need to find two numbers which product is 10 and which sum is 7.

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Therefore, the expression is equivalent to

\frac{(x+5)(x+2)}{x(x-3)(x+3)}

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