yfnalex4 yfnalex4

02-06-2017
Mathematics

contestada

evaluate 3 plus the square root of x + 19 minus the square root of 2 x when x equals 6

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Rbuck2468 Rbuck2468

02-06-2017

=3+*sqr root*6 +19 - *sqr root* 12
=21 + *sqr root* 6 - *sqr root* 12
= 21+ *sqr root* 6 - 2 square roots of 6

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k=6 c=2 5 • k - 10c + 8