priincesana priincesana

03-05-2018
Mathematics

contestada

I am thinking of a number, when I add 5 and multiply the answer by 2 I get 28. What is my number?

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thedataco1p821ps thedataco1p821ps

03-05-2018

first, divide the number by 2
[tex]28 \div 2 = 14[/tex]
next, minus 5
[tex]14 - 5 = 9[/tex]
so the original number is 9 !!

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chinastar16 chinastar16

03-05-2018

The answer is 9 because 9+5=14. 14×2=28

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a rectangular field with a area of 8000m2 is enclosed by 400m of fencing. determine dimensions to nearest tenth of a metre