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patriot [66]
3 years ago
13

Just one more question lol. A clothing store ran advertisements for a special sale. The stores ads read “Buy one at regular pric

e, get a second one for half price.” Explain how the terms of the clothing stores sales are different from offering a 50% discount. Use $100 as the regular price for the item to write your explanation.
Mathematics
2 answers:
VashaNatasha [74]3 years ago
8 0
When you are getting a 50% discount, you don't have to buy another item. 100$ when applied the half discount, would be 50$. But, in order to get the half price option, you have to spend 100$ and then another 50$. That's a total of 150$. I would probably go for the 50% discount. 
denis23 [38]3 years ago
4 0
"Using these two terms are different in really one way, saying buy one get one half off is saying pay for one get another half that price, saying  50% discount means that you pay half of the original price but you still pay the taxes with it and with the 1st choice you wouldn't have to pay that additional taxes."
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Last one anyone that can help me out?
Usimov [2.4K]

Answer:

Part a. t = 7.29 years.

Part b. t = 27.73 years.

Part c. p = $3894.00

Step-by-step explanation:

The formula for continuous compounding is: A = p*e^(rt); where A is the amount after compounding, p is the principle, e is the mathematical constant (2.718281), r is the rate of interest, and t is the time in years.

Part a. It is given that p = $2000, r = 2.5%, and A = $2400. In this part, t is unknown. Therefore: 2400 = 2000*e^(2.5t). This implies 1.2 = e^(0.025t). Taking natural logarithm on both sides yields ln(1.2) = ln(e^(0.025t)). A logarithmic property is that the power of the logarithmic expression can be shifted on the left side of the whole expression, thus multiplying it with the expression. Therefore, ln(1.2) = 0.025t*ln(e). Since ln(e) = 1, and making t the subject gives t = ln(1.2)/0.025. This means that t = 7.29 years (rounded to the nearest 2 decimal places)!!!

Part b. It is given that p = $2000, r = 2.5%, and A = $4000. In this part, t is unknown. Therefore: 4000 = 2000*e^(2.5t). This implies 2 = e^(0.025t). Taking natural logarithm on both sides yields ln(2) = ln(e^(0.025t)). A logarithmic property is that the power of the logarithmic expression can be shifted on the left side of the whole expression, thus multiplying it with the expression. Therefore, ln(2) = 0.025t*ln(e). Since ln(e) = 1, and making t the subject gives t = ln(2)/0.025. This means that t = 27.73 years (rounded to the nearest 2 decimal places)!!!

Part c. It is given that A = $5000, r = 2.5%, and t = 10 years. In this part, p is unknown. Therefore 5000 = p*e^(0.025*10). This implies 5000 = p*e^(0.25). Making p the subject gives p = 5000/e^0.25. This means that p = $3894.00(rounded to the nearest 2 decimal places)!!!

4 0
3 years ago
Please show work i rlly need this :)
makvit [3.9K]

Answer:

10/16 (written as a fraction)

Step-by-step explanation:

Starting point

-(-2x+1)=9-14x

Solve the minus sign

2x-1=9-14x

Swap the Xs and the numbers, changing sign

2x+14x=9+1

Do calculations

16x=10

Result

x=10/16

4 0
3 years ago
Read 2 more answers
Need help ASAP 30 points and brainliest
shepuryov [24]

Answer:

Step-by-step explanation:

First equation

x + y ≥ 10

Second equation

5.50x + 3y ≤ 45

a possible soution can be

x = 4 and y= 6

7 0
3 years ago
What is the value of a
Diano4ka-milaya [45]

Answer: Multiplying 3x and -x we obtain A= -3x^2

8 0
3 years ago
What are the zeros of (3x-1)(2x-5)
otez555 [7]

Answer:

x = -1 / 3

Step-by-step explanation:

4 0
3 years ago
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