I need urgent help with this. please write out the working and the answer thank you

Answers

Answer 1

Answer: 1.   C = ⁵/₉F - 32
9C = 9(⁵/₉F - 32)
  9C = 9(⁵/₉F) - 9(32)
  9C = 5F - 288
- 5F - 5F
  9C - 5F = -288
- 9C   - 9C
-5F = -9C - 288
-5 -5
F = 1⁴/₅C + 57.6

2. $H = w + (50)/(m^(2))$
   $m^(2)(H) = m^(2)((50)/(m^(2)))$
   $Hm^(2) = 50$
   $(Hm^(2))/(H) = (50)/(H)$
   $m^(2) = (50)/(H)$
   $\sqrt{m^(2)} = \sqrt{(50)/(H)}$
   $m = (√(50))/(√(H))$
   $m = (5√(2))/(√(H))$
   $m = (5√(2))/(√(H)) * (√(H))/(√(H))$
   $m = (5√(2H))/(H)$

3. A = 5 + 4√x
- 5 - 5
  A - 5 = 4√x
  (A - 5)² = (4√x)²
  A² - 10A + 25 = 16x
16 16
¹/₆A² - ⁵/₈A + 1⁹/₁₆ = x

4. $A = (b + c)/(b)$
   $Ab = b((b + c)/(b))$
   $Ab = b + c$
   $Ab - b = c$
   $b(A) - b(1) = c$
   $b(A - 1) = c$
   $(b(A - 1))/(A - 1) = (c)/(A - 1)$
   $b = (c)/(A - 1)$

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Pls help i have to turn this in by tommorrow