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myrzilka [38]
2 years ago
5

On her first turn, Marlene scored 90 points playing a board game. On her next turn, she

Mathematics
1 answer:
Viefleur [7K]2 years ago
3 0

Answer:

85

Step-by-step explanation:

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If you draw a card with a value of 4 or less from a standard deck of cards, I will pay you 165$ if not your pay me $45. (Aces ar
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Answer: The required expected value is $3.46.

Step-by-step explanation:

Since we have given that

Number of value of 4 or less are

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Since Aces are considered as the highest card in the deck.

So, remaining probability would be

\dfrac{40}{12}

Amount paid or value of 4 or less = $165

Amount not paid for other case = $45

So, the expected value would be

\dfrac{12}{52}\times 165-\dfrac{40}{52}\times 45\\\\=\dfrac{1980}{52}-\dfrac{1800}{52}\\\\=\dfrac{180}{52}\\\\=3.46

Hence, the required expected value is $3.46.

7 0
3 years ago
Cathy earns $32 after babysitting for 5 hours. How much money does she earn per hour?
telo118 [61]
The answer would be $6.40
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OlgaM077 [116]

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2

Step-by-step explanation:

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3 years ago
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3(x-2)+7=2(x+5)<br> What is the answer to this please
timama [110]

Answer:

x=9

Step-by-step explanation:

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8 0
2 years ago
Please help me struggling
Liula [17]

Answer:

Step-by-step explanation:

find the composition of g(x)=x−1 and  h(x)=\sqrt{x}

hence we will get,

(g∘h)(x)=g(h(x))= g(x−1)= f(√x)= -1+√x =  √x -1

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