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jeyben [28]
2 years ago
15

Name an element in the same period as rubidium

Physics
1 answer:
Artyom0805 [142]2 years ago
5 0

Answer: Potassium(K)

Explanation:

its an alkali metal placed under sodium and its over rubidium, its also the first element of period 4

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I just need x isolated
mamaluj [8]

Answer:

x=\frac{-y+\sqrt{y^2+4rt} }{2r}

x=\frac{-y-\sqrt{y^2+4rt} }{2r}

Explanation:

rx+y=\frac{t}{x}\\\\x(rx+y)=(\frac{t}{x})x\\\\rx^2+yx=t\\\\rx^2+yx-t=t-t\\\\rx^2+yx-t=0

Solve using the quadratic formula.

x=\frac{-y+\sqrt{y^2+4rt} }{2r}

x=\frac{-y-\sqrt{y^2+4rt} }{2r}

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3 years ago
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Answer:

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3 years ago
Discuss the elements of a successful business man or woman
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3 0
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In an experiment involving pendulums, you want to see how changing the mass of the bob affects the period (amount of time) of a
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Answer:

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