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ch4aika [34]
3 years ago
8

Solve 4r^2 – 5 = 59.

Mathematics
2 answers:
Ira Lisetskai [31]3 years ago
8 0
4r² - 5 = 59
<u>     + 5  + 5</u>
     <u>4r²</u> = <u>64</u>
      4       4
       r² = 16
       r = <u>+</u>4

The answer to the problem is equal to <u>+</u>4
Mkey [24]3 years ago
5 0
[tex]4r^{2} =64 r^{2} =16 r= \sqrt{16} = ±4

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