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

New cells have a _______ mix than parent cell

Which of the following is happening when a lending institution gains money from an individual's paycheck to cover outstanding debts? A. Principal B. Garnishment

How did Robert Newman and John Pulling Jr. escape the British after lighting two lanterns in the Old North Church? A. Through a window of the church. B. Through

I Need help like rn someone HELPP!!!!!

Hi, can you please help me answer this direct proportion question? Somehow I keep getting it wrong and so I'd really appreciate some help. Please don't offer jo

State the second law of thermodynamics in words and express it mathematically defining all terms. (6 marks)

Point Q is located on the coordinate grid at (− − 9.73, −3.32). In which quadrant is point Q located?

if X varies inversely as the cube root of y and X=1 when y=8. find y when X =3

PLEASE HELP (WILL MARK BRAINLIEST!) Which sentence from Passage 1 most clearly reveals the central idea that the antislavery movement laid the foundation for th

A programmer used Scratch to create a program with three frog sprites. If a user clicks any of the frogs, they make a "boing" sound and glide to a random positi