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Alina [70]
3 years ago
13

At an electronics store, the price of a tablet is marked down 15% to $212.50. What was the price of the tablet before the markdo

wn?
Mathematics
2 answers:
Cloud [144]3 years ago
8 0

Answer:

The price of the tablet before the markdown was \$250

Step-by-step explanation:

Let

x-----> the price of the tablet before the markdown

we know that

100\%-15\%=85\%=85/100=0.85

0.85x=212.50 ------> linear equation that represent the situation

Solve for x

Divide by 0.85 both sides

0.85x/0.85=212.50/0.85

x=\$250

         

konstantin123 [22]3 years ago
4 0
<span>The answer would be $244.375</span>
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a cd usally sells for 17.00 if the CD is 30% off and the sales tax is 8% what is the total price of the CD including tax
Ksenya-84 [330]

Answer:

$12.85

Step-by-step explanation:

First we need to find the sale price of the CD

Sale price = old price - old price * discount rate

                 = 17 - 17* .3

                 = 17 - 5.1

                 = 11.9

The sale price of the CD is 11.90

Now we need to find the tax

tax = sale price of cd * tax rate

      = 11.9 * .08

      = .95


The final cost of the CD is  sale price of CD plus the tax

Total cost = sale price of CD + tax

                 = 11.90 + .95

                    =12.85

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2 years ago
Help me please thanks
SVEN [57.7K]

Answer:

5/6

Step-by-step explanation:

(-6 - 4) / (3 * -4)  [substitute a and b]

-10 / -12  [multiply the values in parenthesis]

5 / 6  [simplify by dividing by the common factor 2]

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The function f(x) is shown
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Answer:

Step-by-step explanation:

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2 years ago
I need help with this problem I didn't really pay that much attention to this part of the subject.​
Flauer [41]

To check if a piecewise defined function is continuous, you need to check how the pieces "glue" together when you step from one domain to the other.

So, the question is: what happens at x=3? If you reach x=3 from values slightly smaller than 3, you obey the rule f(x)=log(3x). So, as you approach 3, you get values closer and closer to

\log(3\cdot 3)=\log(9)

Similarly, if you reach x=3 from values slightly greater than 3, you obey the rule f(x)=(4-x)log(9). So, as you approach 3, you get values closer and closer to

(4-3)\log(9)=\log(9)

So, the function is continuous at x=3, because both pieces approach log(9) as x approaches 3.

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3 years ago
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balandron [24]

Answer:

the first one

Step-by-step explanation:

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