what is the answer to this math question?

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radical121 - 2 radical49??

2007-02-15 23:53:20 · 4 answers · asked by ♥kristie♥ 2 in Science & Mathematics ➔ Mathematics

=√121-2√49
=11-2(7)
=11-14
=-3

2007-02-16 00:24:02 · answer #1 · answered by Maths Rocks 4 · 0⤊ 0⤋

By radical, I guess you mean square root. So, the answer is sqrt(121) - 2 sqrt(49) = 11 - 2 * 7 11 - 14 = -3.

2007-02-16 08:38:04 · answer #2 · answered by Steiner 7 · 0⤊ 0⤋

radical121 = 11

2radical49 is nothing but radical49 = 7

So the asnwer is 11-7 = 4

2007-02-16 08:02:04 · answer #3 · answered by jaggie_c 4 · 0⤊ 0⤋

-3...you might want to invest in an scientific calculator

2007-02-16 09:30:10 · answer #4 · answered by lovely_antionette 1 · 0⤊ 0⤋