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WARRIOR [948]
3 years ago
9

8 is 25% of what number?

Mathematics
2 answers:
VLD [36.1K]3 years ago
8 0

Answer:

32

Step-by-step explanation:

25% is the same as 1/4

8 times 4 is 32 so 8 is 25% of 32

Lunna [17]3 years ago
8 0

Answer:

<em>25% would be 8</em>

<em>50% would be 16 </em>

<em></em>

<em>75% would be 24 </em>

<em></em>

<em> 100% would be 32</em>

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2 years ago
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An item is regularly priced at $90. It is on sale for 30% off the regular price. What is the sale price
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63

Step-by-step explanation:

Because 30 percent of 90 equals 27

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3 0
3 years ago
Assume the sample below is a perfectly random sample of students at a school. How much greater is the mean of the
igor_vitrenko [27]

Answer:

0.75

Step-by-step explanation:

The table is not well presented (See Attachment)

There are at least two approaches to this question

Method 1:  

Steps

1. Calculate the mean of reported heights

Mean of reported heights = (61+68+57.5+48.5+75+65+80+68+69+63)/10

Mean of reported heights = 655/10

Mean of reported heights = 65.5

2. Calculate the mean of measured heights

Mean of measured heights = (62 + 68 + 56.5 + 47 + 72 + 65 + 78 + 67 + 69.5 + 62.5)/10

Mean of measured heights = 647.5/10

Mean of measured heights = 64.75

3. Get their difference

Difference = Mean of reported heights - Mean of measured heights

Difference = 65.5 - 64.75

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Method 2: Calculate the mean of their difference

Mean of difference = Sum of difference / Number of observations

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Mean of difference = 7.5/10

Mean of difference = 0.75

Note that in both cases, the result is 0,75.

Hence, the reported heights at the school is 0.75 greater than the actual measured height

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Step-by-step explanation:

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