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Elena-2011 [213]
3 years ago
13

You and 3 friends are going to the County Fair.

Mathematics
2 answers:
FromTheMoon [43]3 years ago
8 0

Answer:

$120

Step-by-step explanation:

Since after $20 coupon, the price become $100, then before it was

(20 + 100) = $120

Thenks and mark me brainliest :)

dlinn [17]3 years ago
4 0

Answer:

One regular price ticket cost $40

Step-by-step explanation:

First yo would have to add back the $20 that they saved to the total which would be $120 total and then since that was the total for all 3 of them you would do $120 divided by 3 which would be $40 for each ticket regularly.

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In how many ways can a quality-control engineer select a sample of3 transistors for testing frm a batch of 100 transistors?
Advocard [28]

Answer:

161700 ways.

Step-by-step explanation:

The order in which the transistors are chosen is not important. This means that we use the combinations formula to solve this question.

Combinations formula:

C_{n,x} is the number of different combinations of x objects from a set of n elements, given by the following formula.

C_{n,x} = \frac{n!}{x!(n-x)!}

In this question:

3 transistors from a set of 100. So

C_{100,3} = \frac{100!}{3!(100-3)!} = 161700

So 161700 ways.

6 0
3 years ago
A vehicle uses 2 1/4 gallons of gasoline to travel 16 1/2 miles. At this rate, how many miles can the vehicle travel per gallon
Gennadij [26K]
The answer is 12 miles per hour
8 0
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A coin was flipped 150 times. The results of the experiment are shown in the following table:
Zolol [24]

Answer:

A it is 10% higher than the theoretical probability

Step-by-step explanation:

6 0
3 years ago
Mrs. Gordon had $40 to spend on cookies and pies. She bought 4 cookies, each of which cost $3. She spent twice as much on pies a
DiKsa [7]
First, multiply $3 by 4 to get $12 spent on cookies.  Then, you multiply $12 by 2 to know that the pies cost $24.  You then divide the $24 by 3 to get $6 per pie.  Meaning, each pie had cost $6.  You add the $12 and $24 together to get $36.  Finally, you subtract $36 from $40 to know that she only has $4 left.
4 0
3 years ago
Mr. Jones used a fair spinner divided into 4 sections as shown below. They spun the spinner 50 times and recorded the results in
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Answer:

The theoretical probability would be 25% or 1/4 because there are four sections but in the example the probability of a one being spun was 24%

Step-by-step explanation:

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