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jeka57 [31]
2 years ago
7

Use the information provided to answer Part A and Part B. A store owner paid \$ 15$15 for a book. She marked up the price of the

book by 40\%40% to determine its selling price. ​ Part A What is the selling price, in dollars, of the book? ​Enter your answer in the box. ​ Part B A customer buys a different book that has an original selling price of \$ 38$38. The book is discounted 25\%25%. The customer must pay a 6\%6% sales tax on the discounted price of the book. ​What is the total amount, in dollars, the customer pays for the discounted book? ​Enter your answer in the box.
Mathematics
1 answer:
Ymorist [56]2 years ago
7 0

Answer City's breaking down on a camel's back

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lauren wants to keep her cell phone bull under $60 per month. Her current cell phone plan is $30 per month plus $0.50 per text.
stellarik [79]

Answer:

The correct answer is t < 60.

Step-by-step explanation:

Lauren wants to keep her cell phone bill below $60 per month.

Lauren's current cellphone plan charges her a fixed price of $30 and per text price for one text is $0.50.

Let Lauren sends t texts in a complete month.

Total money spent on texts in a month is given by $ (0.50 × t)

Therefore Lauren's total spent in a month is given by $ (30 + (0.50 × t)).

But this amount should be under $60 as per as the given problem.

∴ 30 + (0.50 × t) < 60

⇒ (0.50 × t) < 30

⇒ t < \frac{30}{0.50}

⇒ t < 60.

So in order to keep her phone monthly bill under $60, Lauren should keep her number of texts below 60.

8 0
3 years ago
Can anyone Help I have 25 questions, 2hr 40mins remaining,
11Alexandr11 [23.1K]

Combining the like-terms, the result of the addition of polynomials f(x) and g(x) is given by:

f(x) + g(x) = 21x^3 + \frac{5}{4}x^{\frac{1}{2}} + 19x^{-\frac{1}{4}} + 8x^{-4}

<h3>How do we add polynomials?</h3>

We add polynomials combining the like-terms, that is, adding terms with the same exponent.

In this problem, the polynomials are:

  • f(x) = 3x^{\frac{1}{2}} + 7x^{-\frac{1}{4}} + 8x^{-4}
  • g(x) = -\frac{7}{4}x^{\frac{1}{2}} + 12x^{-\frac{1}{4}} - 21x^3

Combining the like terms, the addition is given by:

f(x) + g(x) = \left(3 - \frac{7}{4}\right)x^{\frac{1}{2}} + (7 + 12)x^{-\frac{1}{4}} + 8x^{-4} + 21x^3

f(x) + g(x) = 21x^3 + \frac{5}{4}x^{\frac{1}{2}} + 19x^{-\frac{1}{4}} + 8x^{-4}

More can be learned about addition of polynomials at brainly.com/question/9438778

#SPJ1

8 0
2 years ago
An initial population of 30 rabbits doubles each year for 6 years what is the rabbit population after 6 years?
yanalaym [24]

Answer:

1920

Step-by-step explanation:

Each time you multiply by to 6 times. 30 does not count as a year.

3 0
3 years ago
Who much is 24 times 7
RideAnS [48]
Twenty four multiplied by seven is one hundred sixty eight
4 0
3 years ago
Figure B is a scale image of Figure A, as shown.
galina1969 [7]

Answer:

heyjsjsbsjwskozkdndjsisjwjsks

3 0
3 years ago
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