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I have to explain why the statement is false.   √a2+b2=a2+b2   Only the left side of the equal sign is under the radical.

I don't know the steps to  simplifying radicals.

Combine if possible. Do not use a calculator or a table of square roots.       -√2 + √32 +√72 =

The coordinates of 3 bus stops on a map are A(-8,0) B(-6,2) and C(-2,6). What is the ratio of the length of BC to the length of AC?

Kepler's third law, T = √(Kr3), can be used to calculate the time it takes for a planet to complete one orbit of a star. The average radius of the planet's orbit in km is r, and K is a constant...

c+8/c^2-5c+4  +  3c+5/c^2-9c+20

really need help answering this problem

Express each entire radical as a mixed radical in simplest form a) square root of 45 b) cube root of 40 c) square root of 243

if x + √5 = 4 + √y. find x+ y

i really need help on answering this problem

a car travels 28 miles north and then turns east. How far did the car travel east if the destination is 53 miles from the starting point?

Simplify: . Show work. Give the exact answer (including a radical).   5√50 -4√2 + 2√32

? My teacher has taught us two different methods to do so, such as foiling and square rooting it in the calculator, then square rooting it again, and square rooting each of the choices until it matches...

http://i.imgur.com/yEJu6a1.jpg This is the picture I took of my assignment Thank you in advance

http://i.imgur.com/am2cEjA.jpg I took a picture of it, i'm not sure how to do it. Thanks in advance.

how to solve either by eliminating or including 7 and 56 ?

a) (7 3√6y)(2y23√9y^2)   b) (m2√5)(2m√15m)    Thanks!

Bob has four square plastic recycling boxes that he wants to put on a shelf in his garage. If the top opening of the box is 432 in^2, how low does the shelf need to be? Leave your answer in radical...