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zvonat [6]
3 years ago
11

On a certain hot​ summer's day, 500 people used the public swimming pool. The daily prices are $1.50 for children and $2.25 for

adults. The receipts for admission totaled $942.75. How many children and how many adults swam at the public pool that​ day?
Mathematics
1 answer:
Anvisha [2.4K]3 years ago
5 0

Answer:

IIG&UI*^&TG763eh783hiubydhe8743h^%ti289d3r8hf4y9h39857ty58i5

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192.5=1/2(26+12.5)h. What is the unknown measure
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3 years ago
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. An urn contains 6 blue and 5 red marbles. Reach in and grab one marble and then another (without replacing the first one). Wha
natima [27]

Probability that you have chosen 2 red marbles is 3/11

<h2>How to solve?</h2>

Total number of marbles = 6 + 5 = 11

Number of red marbles = 6

Number of blue marbles = 5

Important Points:

1. Replacement is not allowed

2. Blue is followed by Red

Probability has been introduced in Maths to predict how likely events are to happen. The meaning of probability is basically the extent to which something is likely to happen.

Probability of Blue first = 5/11

Probability of Red second = 6/10 (one marble is already taken out)

Probability = 5/11 * 6/10 = 3/11

Learn more about Probability:

brainly.com/question/4313883

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8 0
2 years ago
A random sample of 41 cars in the drive-thru of a popular fast food restaurant revealed an average bill of $19.55 per car. The p
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Answer:

19.55\pm2.145

Step-by-step explanation:

We use the equation \bar x\pm z^*\sigma/\sqrt n, where \bar x=19.55, \sigma=6.33, n=41, and z^*=2.17. We obtain z^* from the z-score of a 0.97 confidence level.

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grigory [225]

Step-by-step explanation:

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