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sergey [27]
3 years ago
14

Donna read 18 out of 30 pages in her book.What percent of the book did she read?​

Mathematics
2 answers:
inysia [295]3 years ago
6 0

Answer:

60

Step-by-step explanation:

18 /30 is .6. So the answer would be 60 percent

bazaltina [42]3 years ago
6 0

Answer:

60%

Step-by-step explanation:

1.Divide 18 and 30 by 3

  • 6 and 10

2. Multiply each number by 10

  • 60 and 100

3.Put it as a fraction

  • \frac{60}{100}=0.6=<u>60%</u>

<u></u>

<u>Hope this helped! :)</u>

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0.76 is the correct answer.
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A car with an initial cost of $26,500 depreciates at a rate of 7.5% per year. Write the function that models this situation. The
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Answer:

f(x) = 26500 * (0.925)^x

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Step-by-step explanation:

A car with an initial cost of $26,500 depreciates at a rate of 7.5% per year. Write the function that models this situation. Then use your formula to determine when the value of the car will be $15,000 to the nearest year.

To find the formula we will use this formula: f(x) = a * b^x. A is our initial value which in this case is $26500. B is how much the value is increasing or decreasing. In this case it is decreasing by 7.5% per year. Since the car value is decreasing we will subtract 0.075 from 1. This will result in the formula being f(x) = 26500 * (0.925)^x. Now to find the value of the car to the nearest year of when the car will be 15000 we plug 15000 into f(x). 15000 = 26500 * (0.925)^x. First we divide both side by 26500 which will make the equation: 0.56603773584=(0.925)^x. Then we will root 0.56603773584 by 0.925. This will result in x being 7.29968 which is approximately 7 years.

4 0
3 years ago
Which of the following is a proportion? 9/12= 8/10 3/4= 9/12 6/8= 8/12 12/18= 9/16
solong [7]

Answer:

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4 0
2 years ago
What is the range of f(x) = 3x + 9?
11Alexandr11 [23.1K]
There is no restriction upon the domain, the x values, and is all real numbers or (-oo,+oo)

From such it is clear that the domain also contains all real numbers.

The range of f(x) is (-oo,+oo)
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