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Taya2010 [7]
3 years ago
6

A. A car is marked down by 20%. It normally sells for $20,000. What is the sale

Mathematics
1 answer:
Novay_Z [31]3 years ago
6 0

Answer:

A=16000  B=16400

Step-by-step explanation:

1.  You multiply 20,000 by .2 or 20%, because you are trying to find a part of the 20,000.

2. You get 4,000 dollars, that is 20% of 20,000. To find the sale price, you take the 20% away from 20,000, which would be 16,000 dollars. That would be your answer for the first part.

3. the sales tax is 2.5% of the sale price. Again, you multiply 16,000 dollars, your sales price, by .025 or 2.5%.

4. you would get 400 dollars. You add the 2.5% or 400 dollars because you have to pay the tax as well as the price. You would get 16,400 dollars.

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As a<br>Scientific notation<br>Express this number in standard form.<br>1.304 x 107 = ?​
aivan3 [116]

Answer:

13 040 000  

Step-by-step explanation:

To convert the scientific notation of a large number to a decimal number, move the decimal point as many places to the right as indicated by the exponent of 10.

Use zeros for placeholders as needed.

Move the decimal point seven places to the right

1.304 × 10⁷ = 13 040 000

We had to insert four zeros as placeholders.

1.304 × 10⁷ = 13 040 000

7 0
3 years ago
B is the midpoint of AC<br> AB = 6x – 5 and<br> BC = 8x – 11<br> Find AC.
vredina [299]

Answer:

AC=26

Step-by-step explanation:

AB and BC equal each other. So to find x, you would make the equation 6x-5=8x-11. Add 11 on both sides so it would be 6x+6=8x. Then subtract 6x from 8x. Then divide by 2 to get x=3. Since AC=AB+BC, plug in x into on of the equation and multiply by 2.

5 0
4 years ago
10.
salantis [7]

Answer:

i cant see teh expressions but..

Step-by-step explanation:

341+983=1324

1324 *divided by* 36

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8 0
3 years ago
WORTH 30 POINTS
slamgirl [31]

Answer:

 =103.95

Final price = 180 *.55 * (1.05)

Step-by-step explanation:

Discount is equal to original price times discount rate

Discount = 180 *45%

               = 180 *.45

                =81

New price = original price - discount

New price  =  180 - 81

                   = 99

Tax = new price * tax rate

       = 99 * 5%

       =4.95

Final price = new price + tax

                 = 99 + 4.95

                  =103.95

45% off means she still needs to pay (100-45) or 55 percent of the price so

New price = 180 *.55

Tax means adding the 5 % to the price  That is 1.05 percent of the price

She multiplied by .95  so she subtracted the tax instead of adding

Final price = 180 *.55 * (1.05)

7 0
3 years ago
Is the equation y=2x^2 a linear function
AysviL [449]
This is not a linear function. The easiest way to go about and verify this is by making a table of bales using arbitrary points and see what the nature of the graph looks like. Here it would be an exponential graph, where the graph would increase exponentially.
6 0
3 years ago
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