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

Find the missing terms of the arithmetic sequence below. ..., 36, , ,21, ...

Which changes should be made to improve this summary of the paragraph’s central idea? Select two options. Remove the phrase “It is petrifying” because it expre

A. Acid rainfall will cause a decrease in oceanic surface temperatures. O B. Increased atmospheric carbon dioxide will cause increased ocean surface temperature

What is the value of B?

What are man-made items from the past called? A. Archaeologists B. Archaeology C. Artifacts D. Alchemists Please help me

Giving brainlist to whoever answers

Which of the following events contributed to ending slavery in the U.S.?

CONTINUE THE STORY WITH ONE PARAGRAPH: The beginning of the story is: My heart was swelled with pride. No one could tell me a thing. I had done it. What others

Describe the shape of the land where you live. What is the nearest body of water? (2 points) How detailed is your mental map of where you live? (1 point) What

37. A baseball is pitched at a speed of 40 m/s. How long does it take the ball to travel 27 meters from the pitcher's mound to home plate?