Mathematics: 16a+5=21a (plz show work)

16a+5=21a (plz show work) - id165217534626, iritike3347

gen73

02.02.2022

$16a+5=21a\\\\21a=16a+5\ \ \ \ \ |subtract\ 16a\ from\ both\ sides\\\\5a=5\ \ \ \ |divide\ both\ sides\ by\ 5\\\\\boxed{\boxed{a=1}}$

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delaneymoses21

02.02.2022

$16a+5=21a\\
5a=5\\
a=1$

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shjsmbee8177

17.10.2022

6l², where l is the length of one side.

If the side is increased 10 times,

6(10l)²

=100 x6l²

The surface area increases 100 times. Thus, the new surface area is

272 * 100

= 27,200 sq in

Step-by-step explanation:

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