slimshadee2016 slimshadee2016

11-03-2016
Mathematics

contestada

help me find the solution to this quadratic formula 5r^2=80

Respuesta :

Justokay Justokay

11-03-2016

This is an easier way:
5r^2=80
Both sides divided by 5.
r^2=16
And then both sides the root.
r=4 or r=-4

Answer Link

Otras preguntas

Which is the best name for my new bearded dragon? 1. Mushu (dragon for Mulan) 2. Chili 3. Blue (dino from Jurassic Park)

Many cells make and use an enzyme, called catalase, to facilitate the decomposition of hydrogen peroxide (H2O2). The products of the decomposition are hydrogen

(HELP ASAP)Sample Response: After the drought, there was very little water and many plants died, so the remaining environment was mostly brown. Because of this,

Alyssa used a scale in which 1 inch represents 100 feet. If the actual landmark has a height of 508 feet, find the height of Alyssa's model in inches.

story : conformity question : What does the phrase "spiral of silence" mean as it is used in paragraph 5? F. A situation in which no one speaks because the gro

is it true that uranus was knocked over by a collision with a planet sized object

Read the list of facts about Flo Hyman. • participated in basketball and track in high school • awarded a first female athletic scholarship at the University of

A student observed a palisade cell using a microscope. The microscope had four objective lenses, each with a different magnification. Which objective lense shou

describe how ice is involved in both weathering and erosion processes

Twice the sum of a number and 6 is more than 84.