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xenn [34]
2 years ago
10

Please help asap! answer should be in polynomial in standard form

Mathematics
1 answer:
snow_tiger [21]2 years ago
6 0

Answer:

-2y^{4} - 5y² + 42

Step-by-step explanation:

Each term in the second factor is multiplied by each term in the first factor, that is

y²(- 2y² + 7) + 6(- 2y² + 7) ← distribute both parenthesis

= - 2y^{4} + 7y² - 12y² + 42 ← collect like terms

= - 2y^{4} - 5y² + 42 ← in standard form

[ standard form means the first term has the largest exponent of the variable, followed by other terms in descending powers of the variable. ]

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Answer:

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You are dealt two cards successively (without replacement) from a shuffled deck of 52 playing cards. Find the probability that t
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Answer:

The probability that the first card is a Heart and the second card is a Spade is 0.064.

Step-by-step explanation:

A standard deck of 52 cards is shuffled and two cards are drawn without replacement.

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Spades (S) = 13

Hearts (H) = 13

Diamonds (D) = 13

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P(H)=\frac{13}{52}=0.25

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Then the probability that the first card is a Heart and the second card is a Spade is:

P(1st\  H\cap 2nd\ S)=P(H)\times P(S)

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