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torisob [31]
4 years ago
14

Rachel bought 3 CDs that were each the same price. Including sales tax, she paid a total of $35.40. Of that total, $2.70 was tax

. What was the price of each CD before tax?
Mathematics
1 answer:
kotegsom [21]4 years ago
5 0

Answer:

Step-by-step explanation:

Total bill - the tax = cost of 3CD's

Our total bill is $35.40, the tax is $2.70, therefore,

35.40 - 2.70 = cost of 3 CD's so

3 CD's = $32.70

Divide that by 3 to get the cost per CD:

32.7 / 3 = $ 10.90 per CD

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x< -64

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What is the length of x? What is the length of EF? Only enter numbers in the answer boxes below:
dimaraw [331]

Focus on triangles DFC and DFE:

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So, the two triangles are congruent. It follows that CF=FE, and in particular

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7 0
3 years ago
Tanisha's website had x visitors on Friday. On Saturday, it had 500 more visitors than it did on Friday. The total
liq [111]

If the number of visitors on Friday, Saturday, and Sunday is x, x + 500, and x + 250. Then the total number of visitors will be 3x + 750.

<h3>What is Algebra?</h3>

Algebra is the study of mathematical symbols, and the rule is the manipulation of those symbols.

Tanisha's website had x visitors on Friday.

On Saturday, it had 500 more visitors than it did on Friday. That is x + 500

The total number of visitors on Friday and Saturday was twice the number on Sunday. That is (2x + 500)/2

Then the total number of the visitors will be

→ Friday + Saturday + Sunday

Then we have

\rm \rightarrow x + x + 500 + \dfrac{2x + 500}{2}\\\\\rightarrow 2x + 500 + x + 250\\\\\rightarrow 3x + 750

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6 0
2 years ago
If x an integer and 2x +8 &lt;22 and 3x &gt;9, how many possible values of x are there?
koban [17]

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3 values

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2x +8 <22 and 3x >9

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4,5,6  are possible choices

3 values

5 0
3 years ago
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