randomdude randomdude

24-03-2015
Mathematics

contestada

is 81x squared minus 1 a perfect square

Respuesta :

24-03-2015

No. It's the product of (9x + 1) and (9x - 1) .

Answer Link

Otras preguntas

A scientist finds an unusual living thing and decides to study it. Which observation indicates that the living thing is among the smallest types of living

Which sentence best describes the word alliteration? A. It's part of a narrative. B. It's a sound pattern. C. It's a literary device.

Paul has two label-printing machines. Each machine can print 30 labels per minute. On day 1, only the first machine was used, and it printed 90 labels. On the f

Women make up 45% of the world s workforce. What percentage of these women live in poverty? a. 25% b. 40% c. 70% d. 85%

The term used when someone puts off doing something that should be done is:

The mir space station was launched by the united states true or false

how can young people prevent human Rights violations

what is The difference between a republic and democracy .

105 minutes per day = hours per week

Here is a list of numbers, some signs and one pair of brackets 2 5 6 18 - * = () Use ALL of them to make a correct calculation Any help I'm grateful for