Question

A= 1/2 bh for b

Answer 1

think itd be b=2A/h

Answer 2

\[b = \frac{2A}{h}\]

Answer 3

how do you work it out?

Answer 4

first of all u want to get b alone right? so to get ride of the 1/2, multiply both sides by reciprocal which is 2.so 2A=bh and to get rid of the h youd divide both sides by h.so 2A/h=b

Answer 5

how do you work it out?

Answer 6

?

Answer 7

duz it help?

Answer 8

so basically to undo multiplication u divide. to undo division u multiply. the only way to move a fraction to the other side would be to multiply by the reciprocal. for ex if 1/3x=6 multiply by 3/1 to get x=18

Answer 9

ohhh

Answer 10

is it helpful

Answer 11

but if you had 1/2 bh over 2 it would get id of 1/2 but wouldnt it affect the bh?

Answer 12

ur right

Answer 13

so..

Answer 14

no it wouldnt, only if you did 1/2 over 2 if you left the bh alone.

Answer 15

wouldnt affect bh everything cancels xcept the bh

Answer 16

yea, thanks,

Answer 17

no prblm

Answer 18

A=1/2bh

Answer 19

A over 2 = 2A

Answer 20

1/2 bh over 2 =bh

Answer 21

wait a sec what do u mean by A over 2 is 2A

Answer 22

so its b= 2A over h

Answer 23

i got it right?

Answer 24

wait u lost me. what r u trying to do

Answer 25

2A over h stays 2a over h, then bh over h becomes b

Answer 26

r u trying 2 solve 4 b

Answer 27

yep

Answer 28

thanks

Answer 29

ok so it is b=2A over h

Answer 30

yea

Answer 31

dont let the letters in the equation confuse u think of it as a regular equation with regular #