daisy32 daisy32

19-08-2016
Mathematics

contestada

What's the square root 20

Respuesta :

cutelion918 cutelion918

19-08-2016

by using calculator, these are the answers:
√20 = 4.47213595499958

√18 = 4.24264068711928

but without calculator,

√20 = √(4x5)
= √4 x √5
= 2 x √5
= 2√5

√18 = √(9x2)
= √9 x √2
= 3 x √2
= 3√2

Answer Link

ACCESS MORE ACCESS MORE ACCESS MORE ACCESS MORE

Otras preguntas

3 3 3 3 3 3 3 3 3 3 3 3 3 3 33

A Submarine goes 23 000M deep into the sea

I have a bit of an assignment to do. i am supposed to find out if its possible for countries to buy land from other countries (kind of like how russia sold alas

Which terms could be used as the first term of the expression below to create a polynomial written in standard form? Select five options. + 8r2s4 – 3r3s3 Which

PLEASE HELP!!! the photo has the question and options please help

How we save water during washing dishes??

You own 17 CDs. You want to randomly arrange 5 of them in a CD rack. What is the probability that the rack ends up in alphabetical order?

11. Not all training occurs in a classroom. The best approach to a training need will vary based on the _______ and ________ to be acquired.

Read about recycled water here

A six sided fair die is rolled with two coins, all sides of a fair die have equal chances of being displayed ,Find the probability of no heads.