mariaa50 mariaa50

01-06-2017
Mathematics

contestada

fifteen times the square of a non-zero number is equal to 20 times the number.

Respuesta :

01-06-2017

The square of a number is n^2. So

15n^2=20n subtract 20n from both sides

15n^2-20n=0 factor our 5n

5n(3n-4)=0, since we are told that n does not equal zero...

3n-4=0

3n=4

n=4/3

Answer Link

Otras preguntas

please help Scientists have explored only a small portion of space. What evidence is there that gravity exists outside of what they have explored?

Given a 50 mL volumetric flask, 50 mL graduated cylinder,10mL pipette, 100 mL beaker, and 75 mL Erlenmeyer flask, which measuring instrument would you choose to

About 7% of the population of a large country is hopelessly romantic. If two peopleare randomly selected, what is the probabilty both are hopelessly romantic?

PLS HELP BEING TIMED!!! Which equation represents the law of conservation of energy in a closed system? KEi + PEi = KEf + PEf PEi + PEf = KEi + KEf KEi – KEf =

Convert 0.60 moles of Fe to moles of Fe2O3

What are the slope and y-intercept for the graph of y = -10x + 2?

Evaluate 2k + 3m if k= 1 and m=5

What is the unit rate for 7/5 miles and 2/3 hours?

please yo can do this question

I need help with answering this i dont understand it