elizabethRODASS elizabethRODASS

03-03-2015
Mathematics

contestada

(20-r)^1/2=r what is the square root of this equation

Respuesta :

jklash12 jklash12

03-03-2015

20-r=r^2
r^2+r-20=0
(r+5)(r-4)=0
r=4,-5

Answer Link

Otras preguntas

combine the like terms:6a+8b-3a

Solve for x. x4≥−8 x≥−32 x≤−32 x≤−2 x≥−2

Help me with this please!

The Carter family now? just bought 3 crates of eggs, and each crate had 18 eggs. The family already had 7 eggs in their refrigerator. How many eggs do they have

Convert 4 7/8 to a decimal using long divison.

What is an element ? Name three elemants.

Write in equation in function form 5x+y=12

Which statements about the life of William Morris are true?Choose all answers that are correct.A. Nature and medieval art inspired him, and he wrote poetry, pro

A mineral found in a rock

For a high school hockey team, the possible results of a game are win (W) or lose (L).Drag and drop the correct letters to show all possible outcomes when two g