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3 years ago

Drag each expression to show whether it is equivalent to 54x + 18, 18(3x – 1), or (6 • 9x) + (6 • 1).

Mathematics

1 answer:

gladu [14]3 years ago

7 0

Answer:

54x + 18 equivalent to (6 • 9x) + (6 • 3)

18(3x – 1) equivalent to 54x - 18

(6 • 9x) + (6 • 1) equivalent to 54x + 6

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119. Beatrice decides to deposit $100 per month at the end of every month in a bank with an annual interest rate of 5.5% compoun

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Answer:

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Step-by-step explanation:

We can write:

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$S_{1}=C\\S_{2}=Cz + C\\S_{3}=Cz^{2}+Cz + C\\S_{n}=Cz^{n-1} +...+Cz+C$

A geometric series is given by:

$1+x+...+x^{m}=\frac{x^{m+1}-1}{x-1}$

Translating our series to the short form:

$S_{n}=C(\frac{z^{n}-1}{z-1} )$

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3 years ago