1. 3 = 12
2. = 150
3. = 9/16
4. (s-4)² - 81 = 0
5. 3h² - 147 = 0

1
haha it's a quadratic equation
4 and 5 is a quadratic equation but 1 to 3 i dont get it
and what is being asked? solve for h or simplify the equation?
solve the quadratic equation :3
i don't get it either

Answers

2014-06-07T19:48:25+08:00
For numbers 4 and 5

4. (s-4)² - 81 = 0
    s² - 4s + 16 - 81 = 0
    s² - 4s - 65 = 0
    s=2+ \sqrt{69}  and  s=2- \sqrt{69}


5. 3h² - 147 = 0
      h² = 147/3
      h^{2} = \sqrt{49}
      h=7
2 5 2