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

Factor completely 12a^3d^2 – 6ad^3

What thoughts I have of you tonight, Walt Whitman, for I walked down the sidestreets under the trees with a headache self-conscious looking at the full moon. Wh

21. Every day I _______ up at 6 o'clock, _______ breakfast at 7 o'clock and _______ for work at 8 o'clock A. get / eat / leave B. have got / eating / leaving C.

number is equal to 6022 x 10^23

If a state issued license plates using the scheme of 3 letters followed by 3 digits, how many plates could it issue?

Explain the different sources of business ideas

In what part of the world did France and Britain go to war as part of the French and Indian War? South Asia O West Africa O North America O Western Europe

distinguish between fixed cost and Variable Cost

Which statement about water use is INCORRECT? A. The United Nations estimates that 2.8 billion people lack sufficient access to clean water. B. As the populatio

PLEASE HELP WILL MARK BRAINLIEST! 20 POINTS If the working-age population was 279 million of the 320 million people living in the United States and 122 million