2 years ago

Find the payment of $435 with a 6% sales tax.

Mathematics

1 answer:

Kobotan [32]2 years ago

5 0

The payment with a 6% sales tax is $461.10

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Find the value of k for x^2 - 2kx+7k -12=0 so that they have two equal roots

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Step-by-step explanation:

x^2 -2kx +7k -12 = 0

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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:

Beatrice will accumulate $1230.72 at the end of the year.

Step-by-step explanation:

We can write:

$(1+\frac{0.055}{12})=z$

$100=C$ for deposits

The first month would have only the deposit reflected in her balance, then, expanding some steps of the calculation would yield:

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

A geometric series is given by:

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

plugin in the values for the 12 month gives:

$S_{12}=100(\frac{(1+\frac{0.055}{12})^{12} -1}{\frac{0.055}{12}})=1230.7169$

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3 years ago

Find the payment of $435 with a 6% sales tax.​

Find the payment of $435 with a 6% sales tax.