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alex41 [277]
3 years ago
12

For real answers 25 pts and a mark!! Help please!!Suppose that there are two types of tickets to a show: advance and same-day. A

dvance tickets cost $35 and same-day tickets cost $15. For one performance, there were 65 tickets sold in all, and the total amount paid for them was $1675. How many tickets of each type were sold?
Mathematics
1 answer:
Diano4ka-milaya [45]3 years ago
5 0

Answer: 35 advance, 30 same day

Step-by-step explanation:

$35 * A + $15 * S = $1675

A + S = 65 So. A = 65 - S

Plug in for A:

35(65-S) + 15S = 1675

2275 - 35S + 15S = 1675

-20S = -600

S = 30 same day tix

A = 35 advance tix

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You are planning a May camping trip to Denali National Park in Alaska and want to make sure your sleeping bag is warm enough. Th
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The probability that this bag will be warm enough on a randomly

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Step-by-step explanation:

You are planning a May camping trip to Denali National Park in Alaska

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The average low temperature in the park for May follows a normal

distribution

The given is:

1. The mean is 32°F

2. The standard deviation is 8°F

3. One sleeping bag you are considering advertises that it is good for

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At first let us find the z-score

∵ z = (x - μ)/σ, where x is the score, μ is the mean, σ is standard deviation

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- Substitute these values in the rule

∴ z = \frac{25-32}{8}=-0.875

Now let us find the corresponding area of z-score in the normal

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∵ The corresponding area of z = -0.875 is 0.18943

∵ For P(x ≥ 25) the area to the right is needed

∵ P(x ≥ 25) = 1 - 0.18943 = 0.8106

∴ P(x ≥ 25) = 0.8106

The probability that this bag will be warm enough on a randomly

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Learn more:

You can learn more about mean and standard deviation in brainly.com/question/6073431

#LearnwithBrainly

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