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deff fn [24]
3 years ago
5

A new car sells for $27,500. The value of the car decreases by 14% annually. You want to sell the car when it's worth about $400

0. Explain how many years you will keep the car, when you will sell it, and how you determined your answer.
Pleaseeee some one please help me explain ever step pleaseeee i have to tell my teacher how i got my answer please.
Mathematics
1 answer:
NemiM [27]3 years ago
7 0

Answer: 13 years.

Step-by-step explanation:

The price decreases by 14% anually

To find the decimal form, you have 14%/100% = 0.14

So, the year zero, the price is $27,500

After one year, the price is:

P = $27,500 - 0.14*$27500 = $27,500*(0.86)

After the second year, the price is:

P = $27,500*(0.86)^2

and so on, so we want to find x such that:

P = $27,500*(0.86)^x = $4000

0.86^x = $4000/$27,500

Now, using the natural logaritm rule:

a^x = b

x = ln(a)/ln(b)

x = ln($4000/$27,500)/ln(0.86) = 12.8

We can round it up to 13, so after 13 years the price of the car is about $4000

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Arlecino [84]

Answer:

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Step-by-step explanation:

7 0
3 years ago
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HELP ME W MY MATH IM BEGGINGM
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Answer:

Year 1: 164.87

Year 2: 169.88

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Step-by-step explanation:

She is earning 3% interest per year that compounds once yearly.

3 0
2 years ago
What are you post to do when you have a decimal that is 0.09
allsm [11]
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3 0
3 years ago
What is 7 1/8 times 2 5/6
Otrada [13]

Answer:

20 and 3/16

Step-by-step explanation:

Answer:

578×176=20316

Solution with Steps

578×176=?

For fraction multiplication, multiply the numerators and then multiply the denominators to get

57×178×6=96948

This fraction can be reduced by dividing both the numerator and denominator by the Greatest Common Factor of 969 and 48 using

GCF(969,48) = 3

969÷348÷3=32316

The fraction

32316

is the same as

323÷16

Convert to a mixed number using

long division for 323 ÷ 16 = 20R3, so

32316=20316

Therefore:

578×176=20316

Solution by Formulas

Apply the fractions formula for multiplication, to

578×176

and solve

57×178×6

=96948

Reduce by dividing both the numerator and denominator by the Greatest Common Factor GCF(969,48) = 3

969÷348÷3=32316

Convert to a mixed number using

long division for 323 ÷ 16 = 20R3, so

32316=20316

Therefore:

578×176=20316

7 0
3 years ago
Find the volume of a rectangular prism that has a length of 14 yards, a width of 5 yards and a height of 8 yards.
Sedaia [141]
Multiply all three numbers to get 560 yards cubed :))
7 0
3 years ago
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