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janessiaBest ResponseYou've already chosen the best response.1
dw:1341559210514:dw
 one year ago

asnaseerBest ResponseYou've already chosen the best response.2
the trick with these is to look at the number under the square root sign and see if you can express it as a product of a number that is a perfect square.
 one year ago

asnaseerBest ResponseYou've already chosen the best response.2
so think of how you can form 63 as a product of two numbers, one of which is a perfect square
 one year ago

janessiaBest ResponseYou've already chosen the best response.1
nope its not a perfect square
 one year ago

asnaseerBest ResponseYou've already chosen the best response.2
63 is not a perfect square, but can you express 63 as the product of two other numbers, one of which is a perfect square?
 one year ago

janessiaBest ResponseYou've already chosen the best response.1
can i do a factor tree?
 one year ago

janessiaBest ResponseYou've already chosen the best response.1
i got dw:1341559648703:dw
 one year ago

janessiaBest ResponseYou've already chosen the best response.1
thts wat i got? ignore the bottom part
 one year ago

asnaseerBest ResponseYou've already chosen the best response.2
not quite:\[\sqrt{63}=\sqrt{9*7}=\sqrt{3^2*7}=3\sqrt{7}\]
 one year ago

asnaseerBest ResponseYou've already chosen the best response.2
you have swapped the 3 and 7
 one year ago

asnaseerBest ResponseYou've already chosen the best response.2
ok, now don't forget you also have to multiply by that 5 in the original question
 one year ago

janessiaBest ResponseYou've already chosen the best response.1
so 5 times the answer we got?
 one year ago

asnaseerBest ResponseYou've already chosen the best response.2
so what do you get for your final answer?
 one year ago

janessiaBest ResponseYou've already chosen the best response.1
ohk hold on dnt leave yet
 one year ago

asnaseerBest ResponseYou've already chosen the best response.2
I won't  don't worry :)
 one year ago

asnaseerBest ResponseYou've already chosen the best response.2
leave the answer in radical form
 one year ago

janessiaBest ResponseYou've already chosen the best response.1
dw:1341559908464:dw
 one year ago
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