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Dafna1 [17]
3 years ago
7

Suppose that marine scientists have collected data showing that oceans have become cooler in recent years. This decrease in temp

erature would reflect a decrease in thermal energy stored in the ocean. If true, would this result validate or invalidate the Law of Conservation of Energy? Why or why not?
SAT
1 answer:
GuDViN [60]3 years ago
3 0
Marine scientists have gathered information demonstrating that seas have turned out to be hotter as of late. This expansion in temperature would mirror an increment in warm vitality put away in the sea. It was negated in light of the fact that the measure of vitality ought to remain consistent.
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The positive solution to the equation x^2- 4 = 6
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Answer:

In the form of a+\sqrt{b},

  • a = 3
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Explanation:

The equation can be rewritten as:

x^{2} -6x-4=0

Find the solutions using the quadratic formula:

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x=\frac{-b+-\sqrt{b^{2}-4ac} }{2a} \\\\=\frac{-(-6)+-\sqrt{(-6)^{2} -4(1)(-4)} }{2(1)} \\\\=\frac{6+-\sqrt{36+16} }{2} \\\\=\frac{6+-\sqrt{52} }{2} \\\\=\frac{2(3)+-2\sqrt{13} }{2} \\\\=\left \{ {{x_{1}=3+\sqrt{13} } \atop {x_{2}=3-\sqrt{13} }} \right.

Find the solution that's positive:

\left \{ {{x_{1} = 3+\sqrt{13} = 6.605551275... } \atop {x_{2} = 3-\sqrt{13} = -0.605551275... }} \right

Therefore, the solution would be 3+\sqrt{13}.

In the form of a+\sqrt{b},

  • a = 3
  • b = 13
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