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larisa86 [58]
2 years ago
12

Please help me in this :")​

Mathematics
1 answer:
earnstyle [38]2 years ago
8 0

The numbers of runners that are 50 and above are 3000.

<h3>How to find the runners that are 50 and above in the pie chart?</h3>

Using the pie chart,

If there are 1500 runners that are under 20, therefore,

1500 = 10 / 100 × x

where

x = total number of runners

10x = 150000

x = 15000

Therefore,

the number of runners that are 50 and above = 20 / 100 × 15000 = 3000

learn more on pie chart here: brainly.com/question/7197016

#SPJ1

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John typed a 48 word paragraph in 2/3 minute. What is the typing speed in words per minute​
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Answer:  The answer is:  " 72 words per minute. "

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Step-by-step explanation:

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This is a "unit rate" problem.

We want to solve for/ find the number of words PER single minute.

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Given 48 words per (2/3) minute;

How many words per (one) minute?

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The answer is {48 ÷ (2/3) } words per minute:

 Note: dividing by a number is the same as multiplying by the reciprocal (inverse) of that particular number:

Hence:

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The answer is {48 * (3/2) } words per minute:

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 Write as:

  " \frac{48}{1} *\frac{3}{2} " ;

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  The "48" can be changed to "24" ; and the "2" can be changed to "1" ;

   → {Since: "48 ÷ 2 = 24 "} ;

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And we have:

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  " \frac{24}{1} *\frac{3}{1} = 24 * 3 = 72 " ;

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The answer is:  " 72 words per minute ."

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Hope this is helpful to you!

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4 0
3 years ago
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Step-by-step explanation:

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Here, from the figure, the perimeter is : AB + BC + CD + DA

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