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goldfiish [28.3K]
3 years ago
11

13. Write a few sentences describing what you have learned about the mean length of the population of 268 words in the Gettysbur

g Address. Be sure to include an interpretation
of the margin of error.
Mathematics
1 answer:
alexira [117]3 years ago
7 0

You can obtain information about the mean population by taking a random sample of it and taking the average of that sample. The Law of big Numbers says that the bigger the sample, the more likely we will be closer to the real mean value. In other words, the margin of error is less likely to be big.

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To make five cups of lemonade you mix three cups of water with two cups of lemon juice. If there are sixteen cups in a gallon, h
zvonat [6]

Answer:

64 cups of lemon juice

Explanation:

First, you can determine with the information provided the amount of cups of lemon needed to prepare sixteen cups of lemonade:

5 cups of lemonade→2 cups of lemon juice

16 cups of lemonade→x

x=(16*2)/5=6.4 cups of lemon juice

Now, you now that for sixteen cups that is the amount in a gallon you need 6.4 cups of lemon juice and you can use a rule of three to determine the amount needed for ten gallons of lemonade:

1 gallon of lemonade→6.4 cups of lemon juice

10 galons of lemonade→x

x=(10*6.4)/1=64 cups of lemon juice

According to this, the answer is that 64 cups of lemon juice are needed to make ten gallons of lemonade.

7 0
3 years ago
50 POINTS!!!There were 50 questions on Vince's math test. He answered 45 questions correctly. What percent of the questions did
igomit [66]

Answer:

90%

Step-by-step explanation:

50 x 2 is 100

40 x 2 is 80

5 x 2 is 10

80 +10 = 90

6 0
3 years ago
Read 2 more answers
Which of the following is ordered from least to greatest?
zubka84 [21]
The fourth one should be the correct answer
5 0
3 years ago
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Find the distance between a and b.<br><br> ​<br><br> a = 9.21, b = –5.51<br><br> ​
cricket20 [7]
9.21 - (-5.51)
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5 0
3 years ago
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Zara has a rectangular garden. The length of her garden is 12 feet and the width is 7 feet. She extends the width
prisoha [69]

Given the perimeter and length of the garden, the width of the garden was extended by 4 feet

<h3>How to find width of the garden</h3>

  • Length of the garden = 12 feet
  • Width of the garden = 7 feet

  • Width extension =( 7 + w) feet

  • Perimeter = 46 feet

Perimeter = 2(length+ width)

46 = 2{12 + (7 + w)}

46 = 2(12 + 7 + w)

46 = 2(19 + w)

46 = 38 + 2w

46 - 38 = 2w

8 = 2w

w = 8/2

w = 4 feet

Learn more about perimeter:

brainly.com/question/24571594

4 0
2 years ago
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