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Mathematics 13 Online
OpenStudy (anonymous):

i need help please will fan and medal

OpenStudy (anonymous):

OpenStudy (here_to_help15):

C

OpenStudy (anonymous):

okay

OpenStudy (anonymous):

last one

OpenStudy (anonymous):

im thinking b

OpenStudy (anonymous):

@Here_to_Help15

OpenStudy (anonymous):

Why do you think B?

OpenStudy (anonymous):

because 25*6 eguals 150

OpenStudy (anonymous):

equals*

OpenStudy (anonymous):

but that is a normal 25 and that is a squared 6. The normal 25 is actually equal to \[\sqrt{625}\] so multiplying it by 6 would not get \[\sqrt{150}\]

OpenStudy (anonymous):

so it would be c then because \[5\sqrt{6}\]

OpenStudy (here_to_help15):

150 = 2 * 3 * 5 * 5, so 5sqrt(6)

OpenStudy (anonymous):

In these equations, a normal number is actually the square root of its squared form. So \[5=\sqrt{25}\] You have to remember the original number you're simplifying from is a square root, so you simplify in terms of square roots. And yes, it would be C

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