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Alina [70]
3 years ago
7

Calculate: (4/5)^7 (5/4)^7

Mathematics
2 answers:
omeli [17]3 years ago
8 0
49. The fractions cancel each other out. So 7x7=49
DaniilM [7]3 years ago
4 0

Answer:

would come out as a very weird answer

Step-by-step explanation:

(4/5)^7(5/4)^7

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If a toy rocket is launched vertically upward from the ground level with an initial velocity of 128 feet per second, then its he
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Answer:

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Step-by-step explanation:

The vertex form of the quadratic function f(x) = ax² + bx + c is

f(x) = a(x - h)² + k, where

  • (h, k) is the vertex point
  • h = \frac{-b}{2a} and k = f(h)
  • (h, k) is a minimum point if a > 0 and a maximum point if a < 0

Let us use these rules to solve the question

∵ h(t) = -16t² + 128t

→ Compare it by the form of the quadratic function above

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∵ a < 0

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∵ h = \frac{-128}{2(-16)} = \frac{-128}{-32}

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→ Substitute x in the equation by the value of h to find k

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∴ The maximum height of the rocket is 256 feet

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3 years ago
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