holl05 holl05
  • 10-07-2020
  • Mathematics
contestada

1)make x the subject of h=4(x+3y)+2 2) make a the subject of a^2+b^2=c^2

Respuesta :

paulmorrison216
paulmorrison216 paulmorrison216
  • 10-07-2020

Answer:

[tex]\frac{h-12-2}{4} = x[/tex]  & a² = c² - b²

Step-by-step explanation:

h = 4 (x + 3y) + 2

Expand brackets

h = 4x + 12y + 2

Subtract 12y & 2 from both sides

h - 12y - 2 = 4x

Divide both sides by 4

[tex]\frac{h-12-2}{4} = x[/tex]

a² = c² - b²

Then √ both sides to lose the ²

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