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kaheart [24]
2 years ago
12

21 p?=u² + 2as u= 12 a = -3 s= 18 (a) Work out a value of v.

Mathematics
1 answer:
aalyn [17]2 years ago
6 0

Answer:

6 or -6

Step-by-step explanation:

Step 1: Simplify both sides of the equation.

  • v^2 = 12^2 + 2(-3)(18)
  • v^2 = 144 + (-6)(18)
  • v^2 = 144- 108
  • v^2 = 36

Step 2: Take square root of both sides.

  • \sqrt{v^2} = ± \sqrt{36}
  • v =  ± \sqrt{36}
  • v = 6 or -6

Therefore, the answer is 6 or -6.

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