3 years ago

What is the probability of choosing a card from a deck of cards that is a heart or a nine?

1 answer:

3 0

8 out of 52. There are 4 nine cards and 4 heart cards. There are 52 cards in the standard deck. So it is an 8 out of 52 chance that you will choose either a heart or a nine.

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2 years ago

12x - 5 = 8x - x + 50<br> Help please show work and check the solution

Inga [223]

Answer:

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Step-by-step explanation:

$12x - 5 = 8x - x + 50 \\ 12x - 5 = 7x + 50 \\ 12x - 5 - 7x = 7x + 50 - 7x \\ 12x - 7x - 5 = 50 \\ 5x - 5 = 50 \\ 5x - 5 + 5 = 50 + 5 \\ 5x = 55 \\ x = 11$