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14-07-2018
Mathematics

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I need help quickly this is timed, im not very good with math!!!

I need help quickly this is timed im not very good with math class=

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sunflowerem sunflowerem

14-07-2018

Area of rectangle: b*h

12*5=60

10*5=50

(60*4)+(50*4)=440

The total surface area of the visible sides of the boxes would be 440 square inches.

Hope this helps!

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Аноним Аноним

14-07-2018

That would be 2 * 10*20 + 2 * 12*20 + 10*12

= 400 + 480 + 120

= 800 in^2

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