nikizapata26
nikizapata26
13-11-2014
Mathematics
contestada
What is the factor of 16^2-81
Respuesta :
apologiabiology
apologiabiology
13-11-2014
this is the diffiarence of two perfect squares. this should be memorised, but if not here it is
a^2-b^2=(a-b)(a+b)
so 16^2-81=16^2-9^2
so the answer is (16-9)(16+9)
Answer Link
VER TODAS LAS RESPUESTAS ( 37+ )
Otras preguntas
what is 35 5/7 multiplied by 3.14 or multiplied by 22/7
How many outcomes are there if you roll two dice with side sides
There are 15 black mice in a cage. The ratio of all mice to black mice is 5:1. How many mice are in a cage?
I really need help on geometry
Describe an example of a fossil that consists of an entire organism
I am a number less than 3,000.when you divide me by 32,my remainder is 30.when you divide me by 58 ,my remainder is 44.What number am I?
there are 63 couples lined up for an egg tossing contest.Each couple will get one egg.There are 12 eggs in a dozen,and eggs come in one dozen cartons.How many c
In 8/100 what is the percent
There are 15 black mice in a cage. The ratio of all mice to black mice is 5:1. How many mice are in a cage?
I really need help on geometry
