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Darya [45]
3 years ago
9

Given that v=√u*u- 2qs. Make q the subject of the equation. Find the value of q in the equation if v=8, u=12, and s=40​

Mathematics
2 answers:
densk [106]3 years ago
5 0

Above given answer is correct.

kifflom [539]3 years ago
3 0

Answer:

Step-by-step explanation:

v=√u*u- 2qs

  1. \sqrt{20} x 20 - 2q40 = 8
  2. 2\sqrt{5} x 20 - 2q40 = 8
  3. 40\sqrt{5} - 2q40 = 8
  4. - 2q40 = 8 - 40\sqrt{5}
  5. -80q = 8 - 40\sqrt{5}
  6. q = (8-40\sqrt{5} ) / -80 = \frac{-1 + 5\sqrt{5} }{10} = 1.018
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