3 years ago

What is the probability that a randomly number from 20 to 30 is divisible by 3 and then divisible by 12 after replacing first

1 answer:

7 0

Probability of divisibility by3=4/11
probability of divisibility by 12 =1/11
probability of divisibility by 12 and 3=4/11×1/11
answer is 4/121

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harina [27]

Answer:

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Step-by-step explanation:

Use the distributive property.

$4x * 7x = 28x^2$

$4x * (-11) = -44x$

We will get $28x^2-44x$

Hope this helps!

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Ad libitum [116K]

X - y = 9
x + 2y = 27
You can subtract the top equation from the bottom
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