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lapo4ka [179]
3 years ago
8

for his long distance phone service, Pablo pays an eight dollars monthly fee +6 cents per minute. Last month, Pablo's long-dista

nce bill was $19.46. For how many minutes was Pablo billed?
Mathematics
1 answer:
Vedmedyk [2.9K]3 years ago
8 0
He was billed for 191 minutes. $19.46-$8 fee=$11.46/6=191
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Alenkinab [10]

From the odd-degree terms, take out one copy and rewrite the series as

1+6x+x^2+6x^3+\cdots=(1+x+x^2+x^3+\cdots)+5x+5x^3+\cdots

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Then if |<em>x</em>| < 1, we can condense this to

\displaystyle\sum_{n=0}^\infty x^n+5x\sum_{n=0}^\infty x^{2n}=\frac1{1-x}+\frac{5x}{1-x^2}=\frac{1+6x}{1-x^2}

Since the series we invoked here converge on -1 < <em>x</em> < 1, so does this one.

4 0
3 years ago
Suppose you are looking at a drawing of the net for a rectangular prism and a net for a rectangular pyramid. Explain how you can
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The net for the prism will consist of all rectangles whereas the net for the pyramid will contain a number of triangles
5 0
4 years ago
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kupik [55]

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4 years ago
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(I am not sure if this is what you are looking for)

7/8 is seven eights, so we can break it into 7 parts.

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6 0
3 years ago
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