20-12-2015
Mathematics

contestada

is √20 a rational or irrational number ?explain how you know

Respuesta :

Justwannalearn Justwannalearn

20-12-2015

The square root of 20 is irrational.
42 is 16, less than 20 and 52 is 25, more than 20.

Answer Link

DarkBlue DarkBlue

20-12-2015

√20=√4*√5=2√5
√5-is a irrational number
===>2√5-is a irrational number =>√20 is a irrational number. :D
Have a nice day!!~~~ ^-^

Answer Link

Otras preguntas

Based on the details in lines 13-15, you can best make the inference that A.Grendel is B.strong sociable C.enthusiastic D.modest

Solve x^2 + 2x + 5 = 0

Which important aspect of the Roman Empire did the barbarians destroy?

What is the distance between 5 and -3

Gott Mit Uns mine friends

HELPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPLook at the photo and read the text. Then, answer the question.Motorcycle police escort school buses as the

Find the missing part Given: regular square pyramid Find PY

HEB sells mangos for $2.50 each. Costco Sells them for $1.75 each but has a membership fee of $50. How many mangos would you need to buy to have the 2 costs equ

helpp again cause no one answered me </3 so please help!!!

You earn 18n dollars. How much do you earn for mowing 3 lawns? 9 lawns?