Question

A rectangular prism has dimensions of 10 ft, 12 ft, and W ft. Its total surface area is 1076 ft2. What is W?

Answer 1

woah prease delete those xD

Answer 2

okay did it

Answer 3

but okay lol so do you know the formula for SA for a rectangular prism?

Answer 4

@cait1995

Answer 5

nope

Answer 6

2(wl+hl+hw) ???? @atreyu6s3x6

Answer 7

A=2(wl+hl+hw)

Answer 8

lmao dammit! yes haha so what do we plug in?

Answer 9

1076= 2(w*10) + (12*10) +(12*w)

Answer 10

but i don't know w..

Answer 11

@atreyu6s3x6

Answer 12

yes @cait1995 so then we multiply ech one of the parenthesis

Answer 13

10w+120+12w @atreyu6s3x6

Answer 14

ahh I'm running out of time

Answer 15

yes so we add the like terms

Answer 16

so 22w? @atreyu6s3x6

Answer 17

1076=2(22w+120)

distribute 2

1076=44w+240

subtract 240

836=44w

divide by 44

w=19

Answer 18

yes i did the rest since we were running low on time :)

Answer 19

okay tahnks so much @atreyu6s3x6

Answer 20

can you help with another? @atreyu6s3x6

Answer 21

sure @cait1995