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Elden [556K]
3 years ago
8

An old nickel has doubled in value each decade. What is the value of the coin after 10 decades?

Mathematics
1 answer:
Lubov Fominskaja [6]3 years ago
8 0

Answer:

100

Step-by-step explanation:

10 x 10

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See below.

Step-by-step explanation:

Values are excluded if they make the denominator zero, so one rational expression could be:

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(A) Product of -2x^{3}+x-5 and x^{3}-3x-4 is:

(-2x^{3}+x-5)(x^{3}-3x-4)

=-2x^{3}(x^{3}-3x-4)+x(x^{3}-3x-4)-5(x^{3}-3x-4)

=(-2x^{3})(x^{3})+(-2x^{3})(-3x)+(-2x^{3})(-4)+x(x^{3})+(x)(-3x)+(x)(-4)+(-5)(x^{3})+(-5)(-3x)+(-5)(-4)

=-2x^{6}+6x^{4}+8x^{3}+x^{4}-3x^{2}-4x-5x^{3}+15x+20

=-2x^{6}+6x^{4}+x^{4}+ 8x^{3}-5x^{3}-3x^{2}-4x+15x+20

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(B) Yes.

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