06-04-2015
Mathematics

Answered

Solve 4r^2 – 5 = 59.

(Points : 1)
{± 3}
{± 4}
{± 5}
{±6}

Answer :

AliBaghaei AliBaghaei

06-04-2015

[tex]4r^{2} =64 r^{2} =16 r= \sqrt{16} = ±4

Answer Link

Panoyin Panoyin

06-04-2015

4r² - 5 = 59
   + 5 + 5
   4r² = 64
      4    4
   r² = 16
   r = +4

The answer to the problem is equal to +4

Answer Link

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