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

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.
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