Kmsalt531 Kmsalt531
  • 04-04-2014
  • Mathematics
contestada

Expand the expression 2(r - 4) + 5(r + 2). Express your answer in simplest form

Respuesta :

Lilith
Lilith Lilith
  • 04-04-2014
[tex]2(r - 4) + 5(r + 2) =2r-8+5r+10=7r+2[/tex]


Answer Link
Boodo Boodo
  • 04-04-2014
2r-8+5r+10 so 8r+2 would be the final answer
Answer Link

Otras preguntas

a piece of wood is 180cm long, Tom cuts it into three pieces in the ratio 2:3:4 Work out the length of the longest piece
How do you do this algebra question
In what respect does an atom of magnesium differ from a magnesium ion (Mg^{2+})? (A)The ion has a more stable electronic arrangement than the atom. (B)The pos
Determine the half-life of potassium if in 3460 years a 200 g sample decayed into 25 g
Work out the number that is halfway between 27 times 38 and 33 times 38.Show your working out aswell.
what are two human uses for mosses?
How long did mummification go for poor Egyptians?
NaOH  + H2SO4 =NaOH + HNO3  =Cu(OH)2 + HCl =                H2SO4 =                        HNO3 =
If the function h(x) represents the number of full hours that it takes a person to assemble x sets of tires in a factory, which would be an appropriate domain f
what does the agora tell us about the culture of athens?