Question

I need help, I know how to do it but i'm not getting the right answer
The square root of 5 minus the square root of two over four square root of two

Answer 1

\[\sqrt{5}-\sqrt{2}/4\sqrt{2}\]

Answer 2

\[\large \sqrt{5} - \sqrt{\frac{ 2 }{ 4\sqrt{2} }}\]

Answer 3

this is the answer?

Answer 4

it is not easy to tell what the thing means, yours or mine,

i read it as .. "square root of" ( that whole quantity)

Answer 5

i posted what i meant on the under it

Answer 6

probably yours is it, you can cancel the root 2 in the second,

root(5) - 1/4

thats it

Answer 7

well the problem isn't actually a word problem i just didn't know how to type it, but can you explain

Answer 8

\[\large \sqrt{5} - \sqrt{\frac{ 2 }{ 4\sqrt{2} }}\]
\[\large \sqrt{5} - \frac{ \sqrt{2} }{ \sqrt{(4*\sqrt{2}}) }\]

Answer 9

cause i thought you had to do 5√−2√/4√2 * 4√2/4√2

Answer 10

to cancel out the radical in the denominator

Answer 11

\[\large \sqrt{5} - \frac{ \sqrt{2} }{ \sqrt{4}*2 }\]
\[\sqrt{5}-\frac{ \sqrt{2} }{ 4 }\]

Answer 12

that is the simplified version of the prob i started with...

oh ok, then you can cancel the root 2's like before, and then

Answer 13

\[\sqrt{5}-\frac{ \sqrt{2} }{ 4\sqrt{2} } = \sqrt{5} - \frac{ 1 }{ 4 }\]

Answer 14

maybe think of the second term as individual terms or fractions
\[\frac{ 1 }{ 4 }*\frac{ \sqrt{2} }{ \sqrt{2} }\]

Answer 15

ok can you help me with one more problem

Answer 16

sure

Answer 17

\[5\sqrt{6}/\sqrt{15}\]

Answer 18

using the exponent rules,
\[\large \frac{ 5\sqrt{6} }{ \sqrt{15} } = \frac{ 5*\sqrt{3*2} }{ \sqrt{5*3} }=\frac{ 5\sqrt{3}
\sqrt{2} }{ \sqrt{5} \sqrt{3}}\]

the root3 cancels in top and bottom

\[\frac{ 5\sqrt{2} }{ \sqrt{5} }\]

Answer 19

most the time they dont want a root on the denominator, so then multiply by root5/root5
\[\frac{ 5\sqrt{2} }{ \sqrt{5} } * \frac{ \sqrt{5} }{ \sqrt{5} } = \frac{ 5\sqrt{2}\sqrt{5} }{ 5 }\]

Answer 20

that can be simplified more even, cancel the 5/5, and the leftover is just root2 times root 5

\[\sqrt{2}\sqrt{5} = \sqrt{10}\]

simplifies to square root of 10

Answer 21

ok thank you

Answer 22

welcome