3
Magnetite is a mineral containing iron are attracted by magnet.
Added 49 days ago|1/18/2021 1:06:34 PM
This answer has been confirmed as correct and helpful.
3
7/x+1/4=9/x ; 1/4 = 9/x -7/x ; 2/x = 1/4 ; x = 2 *4 ; x =8
Added 49 days ago|1/18/2021 1:08:33 PM
This answer has been confirmed as correct and helpful.
3
(x+2)^2= -8 (y+5) ; x2+4x+4 = -8y -40 ; x^2+4x+8y+4 +40 = 0 ; x2 + 4x + 8y + 44 = 0
Added 49 days ago|1/18/2021 1:10:49 PM
This answer has been confirmed as correct and helpful.
