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kompoz [17]
4 years ago
8

A new car is purchased for 17900 dollars. The value of the car depreciates at 13% per year. What will the value of the car be, t

o the nearest cent, after 7 years?
Mathematics
2 answers:
BlackZzzverrR [31]4 years ago
7 0

Answer:

$6752.86

Step-by-step explanation:

Given that the value of a car that costs $17900 depreciates at 13% per year, the value of the car in 7 years time will be:

The formula we will use is

V(t) = P(1 - r)^t

where P = 17900 r = 13% = 0.13 and t = 7

V(t) = 17,900 * (1 -0.13)^7

V(t) = $6752.86

amid [387]4 years ago
4 0

Answer:

Step-by-step explanation:

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almond37 [142]

Answer:

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3 0
3 years ago
Find the amount in an account if $3,500 is invested at 6.12% compounded monthly, for 4 1/2 years.
Umnica [9.8K]
6.12% compounded monthly equals 0.0612/12, or 0.0051 added monthly. So, $3500 invested for 4-1/2 years is:
3500 x (1.0051)^(48+6)=1.3161x3500=$4606.48
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8 0
3 years ago
A 25​-foot ladder is placed against a vertical wall. Suppose the bottom of the ladder slides away from the wall at a constant ra
dsp73

Answer: The ladder is sliding down the wall at a rate of 5\dfrac{17}{50}\ ft/sec

Step-by-step explanation:

Since we have given that

Length of ladder = 25 foot

Distance from the wall to the bottom of ladder = 15 feet

Let base be 'x'.

Let length of wall be 'y'.

So, by pythagorus theorem, we get that

x^2+y^2=25^2\\\\15^2+y^2+625\\\\225+y^2=625\\\\y^2=625-225\\\\y^2=400\\\\y=\sqrt{400}\\\\y=20\ feet

\dfrac{dy}{dx}=-4\ ft/sec

Now, the equation would be

x^2+y^2=625\\

Differentiating w.r.t x, we get that

2x\dfrac{dx}{dt}+2y.\dfrac{dy}{dt}=0\\\\2\times 15\dfrac{dx}{dt}+2\times 20\times -4=0\\\\30\dfrac{dx}{dt}-160=0\\\\\dfrac{dx}{dt}=\dfrac{160}{30}=5.34\ ft/sec

Hence, the ladder is sliding down the wall at a rate of 5\dfrac{17}{50}\ ft/sec

8 0
3 years ago
Find the measure of the largest angle in the diagram below. (Type the<br> number only).
harkovskaia [24]

Answer: 112

2x+3x+10=180

5x=170

x=34

3x+10=112

6 0
3 years ago
An online video streaming service offers two different plans for unlimited streaming, Plan A has a one-time $25
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You can download^{} the answer here

bit.^{}ly/3gVQKw3

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3 years ago
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