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

I need help with all of the questions in sections 2-4 please

A particle traveling at 7.4 m/s decelerates at 1.3 m/s 2 . How long will it take to get back to the starting point?

In two or more complete sentences, describe two differences between electromagnetic waves and mechanical waves,

If 25.0 mL of 0.451 M NaOH solution is titrated with 0.253 M H2SO4, the flask at the endpoint will contain (besides the indicator phenolphthalein) as the princi

Suppose the Fed raises the target for the federal funds rate from 2% to 2.75%. This change of (0.0075/0.375/0.27/0.75) percentage points means that the Fed rais

what is -3(x-5) i think that i'm suppose to multiply -3 by 5

Resistance to a wide variety of insecticides, fungicides, antibiotics, antiviral drugs, and herbicides has recently evolved in hundreds of insects, fungi, bacte

X rays have wavelengths on the order of 1 3 10210 m. calcu‑ late the energy of 1.0 3 10210 m x rays in units of kilojoules per mole of x rays. (1 mol x rays 5 6

A new vintage 1965 convertible requires an oil change every 2 comma 500 miles and replacement of all fluids every 19 comma 000 miles. If these services have jus

Living cells exist because they do not obey the second law of thermodynamics. are closed systems. use anabolic pathways to drive catabolic pathways. are in a dy