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

??? Help 70= .70(-2-2z)

Which strategy are you using when you only read the title, section headings, and captions?

how was flooding a positive for ancient india

Richard Preston’s primary purpose in writing The Hot Zone was to___readers.

If you were solving a system of equations and you came to a statement like 1 = 3, what do you know about the solution to the system? (1 point) The solution is (

how does organizing the past by period differ from organizing the past by theme

Name the intersection of the planes ACE and CDF

Chromosome mutations involve the deletion or duplication of many genes. The effects of chromosome mutations are often much greater than mutations within a singl

You purchase a car using a $20,000 loan with a 5% simple interest rate. (a) Suppose you pay the loan off after 4 years. How much interest do you pay on your loa

Identify the independent and dependent variable of the experiment growing corn