02-10-2020
Mathematics

contestada

12r2s + 21rs2 – 3rs=

Respuesta :

isabellanueva isabellanueva

02-10-2020

answer:
63rs

explanation:
collect like terms
12*2=24rs
21*2=42rs
then add 24+42=66rs
then subtract 3rs
then just add rs

Answer Link

Otras preguntas

Given the balanced equation representing a reaction: NH3(g) + H2O(l) ==>NH4+(aq) + OH-(aq) According to one acid-base theory, the NH3(g) molecules act as (1)

irene purchases a refrigerator for 500.00 in lowa where the tax is 6 percent what is the sale tax

Experiments revealed the following information about a certain molecule: It can be broken down into amino acids. It can break down proteins into amino acids. It

The longest interval of time is called _____. an eon a period an era a century

How did Mohammed contribute to the rise of Islam? A.)He laid out the role of future caliphs. B.)He compiled the stories of the Hadith. C.)He wrote Islamic holy

Which statement best describes the shape and volume of an aluminum cylinder at STP? (1) It has a definite shape and a definite volume. (2) It has a definite sha

27 book and chares has 2/3 more and him has time books altogether

Who used political cartoons to expose government corruption, economic crisis, and inequality? a. Andrew Carnegie b. Susan b. Anthony c. Booker T. Washington d

A 75-kilogram bicyclist coasts down a hill at a constant speed of 12 meters per second. What is the kinetic energy of the bicyclist? (1) 4.5 × 10^2 J (3) 5.4 ×

if you earn eight dollars per hour after taxes are taken out of your paycheck and your insurance is 200 a month how many hours will you have to work to pay for