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Arte-miy333 [17]
3 years ago
6

Cooper is taking a multiple choice test with a total of 80 points available. Each question is worth exactly 4 points. What would

be Cooper's test score (out of 80) if he got 2 questions wrong? What would be his score if he got xx questions wrong?
Mathematics
1 answer:
VLD [36.1K]3 years ago
3 0

Answer:

80-4(2)=72; 80-4(x) if he got x wrong.

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You are the 100th customer to enter a video store, and you are entitled to a prize of 3 video games. You have 15 games to choose
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Answer:

The total number of possible outcomes = 455

Step-by-step explanation:

Given:

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The total number of ways in which the 3 games out  of 15 be choosen can be given by:

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Plugging in the known values:

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⇒ \frac{15!}{3!(15-3)!}

⇒  \frac{15!}{3!(12)!}

⇒ \frac{15\times14\times13\times12!}{3!\times12!} [Canceling out the common terms]

⇒ \frac{15\times14\times13}{3\times2\times1}

⇒ 455

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3 years ago
I need help I feel like it's right but then again I get confused on these ​
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Step-by-step explanation:

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