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Kaylis [27]
3 years ago
10

A used car was purchased in July 1999 for $11,900. If the car depreciates 13% of it's value each year, what is the value of the

car in July 2002?
Please show how you did it
Mathematics
1 answer:
trapecia [35]3 years ago
8 0
1999 price = 11900
it depreciates 13%
\frac{13}{100} \times 11900 = 1547
year 2000 cost = 11900 - 1547 = 10353
it depreciates 13%
\frac{13}{100} \times 10353 = 1345.89
year 2001 cost = 10353 - 1345.89 = 9007.11
it depreciates 13%
\frac{13}{100} \times 9007.11 = 1170.92
year 2002 cost = 9007.11 - 1170.92 = 7836.19
pls mark as brainliest
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Solve the following inequality for n. Write your answer in simplest form.
ivann1987 [24]

Answer:

15n +8 < -10n-12

Step-by-step explanation:

5 0
3 years ago
Question 2:
Ugo [173]

With the frequecy distribution shown in the 50 cities of pakistan,

  • range = 18
  • mean = 18.1
  • median = 19.8333
  • mode = 19.125
  • kurtosis = 2.7508
  • Standard deviation = 3.75

<h3>How to find the Range</h3>

= highest value - lowest value

= 26.5 - 8.5

= 18

<h3>How to find the mean</h3>

= ∑ f x / ∑ f

= ∑ f x / N

= 905 / 50

= 18.1

median

= lower limit + ( N/2 - C ) * h / ( frequency of the class interval )

C = cumulative frequency preceeding to the median class frequency

h = class interval

= 18.5 + ( 50 / 2 - ( 5 + 12 ) ) * 3 / 18

= 18.5 + 1.3333

= 19.8333

<h3>How to find the mode</h3>

The mode is the value with the highest frequency occurence. This is under class 18 - 20

mode = lower limit + ( ( f1 - f0 ) / (2*f1 - f0 - f2 ) ) * h

f1 = fequency of the modal class

f0 = freqency of the preceeding modal class

f2 = frequency of the next modal class

h = class interval

= 18.5 + ( ( 18 - 12 ) / (2 * 18 - 12 - 8 )  ) * 3

= 18 + ( 0.375 ) * 3

= 19.125

<h3>How to find the standard deviation </h3>

= sqrt ( 1 / N ∑ f ( x - x' )^2 )

= sqrt (1  / 50 * 706.5

= 3.7589

<h3>How to solve for relative dispersion </h3>

=  standard deviation / mean

= 3.7589 / 3

= 1.2530

<h3>What is the variance? </h3>

= ( standard deviation )^2

= ( 3.7589 )^2

= 14.1293

<h3>How to solve for kurtosis</h3>

=  ∑ f ( x - x' )^4 / ( N * ( standard deviation )^4 )

= 27459.405 / ( 50 * 3.7589^4 )

= 2.7509

Read more on frequency distribution here: brainly.com/question/1094036

4 0
2 years ago
What's the answer n give examples please
melisa1 [442]
The answer would be 1.0404 because 1.02 multiplied by 1.02 is 1.0404
7 0
3 years ago
WILL GIVE BRAINLY!!!!!!!!<br> Factor completely 2x2 + 2x − 12.
kipiarov [429]

Step-by-step explanation:

All of these terms have a common factor of 2, and when we take that out we get 2(x² + x - 6). To factor the polynomial in the parentheses, we have to find 2 numbers with a product of -6 and a sum of 1, and these are 3 and -2. Therefore, the final answer is 2(x + 3)(x - 2).

Hope this helps!

8 0
4 years ago
Evaluate the expression when r = 3, y= -4, and z = -6. -2=​
Luda [366]

Answer:

-3

Step-by-step explanation:

<u>-6 - 2(3)</u> = <u>-12</u><u> </u> = -3

<u>-</u><u>4</u><u> </u> -4

6 0
3 years ago
Read 2 more answers
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