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3 years ago

A CD usually sells for $18.00. If the CD is 10% off, and sales tax is 7%, what is the total price of the CD, including tax?

Mathematics

1 answer:

yawa3891 [41]3 years ago

7 0

Answer:

Step-by-step explanation:

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Help me pleaseeee:A book sold 37,800 coples in its first month of release. Suppose this represents 9.3% of the number of copies

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Answer:

406452

Step-by-step explanation:

Set up a proportion

9.3/37800=100/x

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4 teaspoons of salt.

Step-by-step explanation:

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3 years ago

The? half-life of a radioactive substance is 20 years. If you start with some amount of this? substance, what fraction will rema

yarga [219]

$\bf \textit{Amount for Exponential Decay using Half-Life} \\\\ A=P\left( \frac{1}{2} \right)^{\frac{t}{h}}\qquad \begin{cases} A=\textit{accumulated amount}\\ P=\textit{initial amount}\\ t=\textit{elapsed time}\dotfill &120\\ h=\textit{half-life}\dotfill &20 \end{cases} \\\\\\ A=P\left( \frac{1}{2} \right)^{\frac{120}{20}}\implies A=P\left( \frac{1}{2} \right)^6\implies A=P\left( \cfrac{1^6}{2^6} \right)\implies A=\cfrac{1}{64}P$

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4 years ago

Write 175 as a product of its prime factors.Write your answer in index form

Brrunno [24]

Answer:

5^2 x 7

Step-by-step explanation:

5 x 5 x 7

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3 years ago

Read 2 more answers

Classify each statement based on whether a positive or negative rational number represents it. elevation of 3,234 feet above sea

Leya [2.2K]

Answer:

elevation of 3,234 feet above sea level Positive

losing $32.50 Negative

depositing $230 in an account Positive

withdrawing $2,432 from an account Negative

2°C below 0°C Negative

10 floors above ground level Positive

Step-by-step explanation:

elevation of 3,234 feet above sea level Positive This is above ground

losing $32.50 Negative it is less than you had

depositing $230 in an account Positive putting money in

withdrawing $2,432 from an account Negative taking money out

2°C below 0°C less than 0

10 floors above ground level above 0

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4 years ago