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Mathematics 19 Online
OpenStudy (shaleiah):

Help, Medal and Fan reward.

OpenStudy (shaleiah):

I'm guessing 'B'

OpenStudy (shaleiah):

@esamalaa

OpenStudy (anonymous):

how you got B ?

OpenStudy (shaleiah):

I multiplied 5*11 and 17*17.

OpenStudy (anonymous):

use \[x ^{a}*x ^{b}=x ^{a+b}\]

OpenStudy (shaleiah):

\[y ^{5/17}+y ^{11/17}\]

OpenStudy (shaleiah):

16/17

OpenStudy (shaleiah):

The radical would be \[\sqrt[16]{y ^{17}}\]

OpenStudy (shaleiah):

Right?

OpenStudy (anonymous):

not right look \[y ^{\frac{ 16 }{ 17 }}=(y ^{16})^{\frac{ 1 }{ 17 }}\]

OpenStudy (shaleiah):

@IrishBoy123 Please help. I'm still confused.

OpenStudy (shaleiah):

Would the answer be 'A' since y is equal to 16??

OpenStudy (anonymous):

yes right

OpenStudy (anonymous):

A is the answer!!

OpenStudy (irishboy123):

\[\large y^{\frac{5}{17}}.y^{\frac{11}{17}} =y^{\frac{5+11}{17}}=y^{\frac{16}{17}} =\sqrt[17]{y^{16}}\]

OpenStudy (irishboy123):

NB 1\17 calls for 17th root of something...

OpenStudy (irishboy123):

and that something is to the 16th power

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