elizabethRODASS
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

A cell phone company charges $45 a month for phone service and $0.25 for each text message. Which equation can be used to find the total number of text messages
What do the Bohr and quantum mechanical models have in common?
1. Most familiar life forms live in regions of biomes that humans inhabit. (1 point) True False 2. Biodiversity is the variety of life forms that exist or exist
Write the expression in standard form. three divided by quantity three minus twelve i.
What is the graph of y = 1/x?
What are some common features in prokaryotic and eukaryotic
Sam follows the directions on a box of pancake mix. The box says that it makes 10 pancakes, but he is able to make 8 pancakes from the ingredients. In this case
How would I solve 10095 m/s to miles/s?
What are the two processes by which nuclear energy is released? Briefly describe the processes.
how you can best identify quackery in a health service provider