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Simora [160]
3 years ago
13

Need help on num 15

Mathematics
1 answer:
Yakvenalex [24]3 years ago
8 0

Answer:

D

Step-by-step explanation:

D's equation shows y equals 7.8 times x. 7.8 is the unit rate.

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40% of the children in a sports club play badminton. 25% of the children who play badminton also play squash. There are 11 child
Keith_Richards [23]

Answer:

There are 110 children total in the sports club

Step-by-step explanation:

To get this answer, its actually easier than it seems. You might need a calculator however.

First you start with the 11 children who play both badminton and squash, then, you divide that by 0.25 (25%) to get 44.

Next you take 44 and divide it by 0.4 (40%) to get 110.

And there you go! If you want to make sure you got it right simply start with 110 and multiply it by 0.4 then multiply the number/decimal you get by 0.25. You should get 11 to confirm your answer :)

6 0
3 years ago
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Oi  :)

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2)
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3)
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4)
There are 4 significant digitis. Leter C 
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3 years ago
Find the product 12 , -5
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The product of 12 and -5 is -5(12) = -60.  Note that 12(-5) = -60 also.
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Find the product. <br> 2 x (–8) x (–9)<br><br><br><br> 19<br><br> –19<br><br> –144<br><br> 144
chubhunter [2.5K]
The answer is 144

hope this helped!
4 0
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Explain the role of the GCF in factoring a polynomial.
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