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olga55 [171]
3 years ago
10

First right answer will get brainlist

Mathematics
1 answer:
KATRIN_1 [288]3 years ago
7 0
2 and 1/5
""""""""""""
3rd option
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\boxed{ a^2 b^2 + -a^2 + -b^2 + 1 + 4ab}

Let's simplify step-by-step.

( a^2 - 1 ) ( b^2 -1) + 4ab

Distribute:

=( a^2) (b^2) + (a^2) (-1) + ( -1) (b^2) + (-1) (-1) + 4ab

= a^2 b^2 + -a^2 + -b^2 + 1 + 4ab

❧⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯☙

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Have a great day/night!

❀*May*❀

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You decide to order a large two topping pizza. The pizza place has 10 toppings to choose from. You like to live on the edge, so
ANEK [815]
The answer is 1/100.

To calculate this, a multiplication rule is used. The multiplication rule calculates the probability that both of two events will occur. In this method, the possibilities of each event are multiplied.

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1. the probability (P1) that you end up with pepperoni: P1 = 1/10

2. the probability (P2) that you end up with sausage: P2 = 1/10


Now, using the multiplication rule, <span>the probability (P) that you end up with pepperoni and sausage is 1/100:</span>

<span>P = P1 </span><span>· P2 = 1/10 </span><span>· 1/10 = 1/100</span>

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