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Salsk061 [2.6K]
2 years ago
10

In a P.7 class, 20% of the boys were absent for the Mock Examinations, of the remainder of the boys were present Find the fracti

on of the girls in the class.​
Mathematics
1 answer:
vladimir1956 [14]2 years ago
7 0
Fine the fraction of the girls class absent examination
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Jay has an album that holds 600 coins. Each page of the album holds 6 coins. If ​39% of the album is​ empty, how many pages are
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9514 1404 393

Answer:

  61

Step-by-step explanation:

If there are 6 coins on each page, then the number of pages for 600 coins is ...

  (600 coins)/(6 coins/page) = 100 pages

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If 39% are empty, then 100% -39% = 61% are filled.

The number of filled pages is ...

  61% × 100 = 61/100 × 100 = 61 . . . . pages filled

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<em>Comment about percent</em>

You can think of the percent symbol (%) and "per 100" (/100) as being interchangeable. 61% = 61/100

("Cent" is used to signify one of 100 parts. A cent is 1/100 of a dollar, for example. In land area, a cent is 1/100 of an acre. Then, "percent" can be thought of as "per cent" or "per 100 parts".)

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2 years ago
Find the area of the parallelogram with vertices a(1,2,3), b(1,3,6), c(3,8,6), and d(3,7,3,)
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The answer is: <span>A=<span>√265</span></span>.
4 0
3 years ago
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Arlecino [84]
An outlier is a number that is much higher or much lower than all others.

The answer in this case should be 65 since all other scores range from 88-98. 33 is incorrect because it doesn't even appear in the set of data.
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Which of the following is an arithmetic sequence?
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Answer:

C

Step-by-step explanation:

an arithmetic sequence is a sequence in which you use addition/subtraction in order to achieve each term. Choice A alternates between the negative and positive therefore you can tell that it's multiplying each time, and the same goes for D, those two are incorrect. B is incorrect because you cannot add/subtract a number each time to get the next term. C, if you attempt to find the difference between in each term in choice C you will succeed and find that each time you add 3/2 each time to get the next term.

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3 years ago
The perimeter of the square kitchen floor measures 48 feet. What is the area of the kitchen floor
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48/4 = 12 for sides. Area is l x w so 12x12 = 144
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