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kondaur [170]
3 years ago
14

Please help I'll pick brainliest answer!

Mathematics
2 answers:
german3 years ago
8 0

if the car depreciates an average of 13% per year after 8 years the value of the car should be about $6558

Hope this helped :)

Furkat [3]3 years ago
4 0

Answer: Option 'C' is correct.

Step-by-step explanation:

Since we have given that

Amount at which she bought her car = $19980

Rate of depreciation = 13%

Number of years = 8 yrs

As we know the formula for "Compound Interest ":

A=P(1-\frac{r}{100})^n\\\\A=19980(1-\frac{13}{100})^8\\\\A=19980(1-0.13)^8\\\\A=6557.66\\\\A=\$6558

Hence, the approximate value of the car will be $6558 in 8 years.

Hence, Option 'C' is correct.

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The circumference of a circle is 6π m. What is the area, in square meters? Express your answer in terms of \piπ.
zaharov [31]

Answer:

Area = 9π sq. m.

Step-by-step explanation:

C = πd

6π = πd

d = 6

r = 3

A = πr^{2} = π3^{2} =  9π sq. m.

5 0
3 years ago
Help? Because my teacher doesn't want too
snow_lady [41]
M<ABC = m<EBD = 36 (vertical angles)

78 - x + 36 + 3x - 10 = 180 (straight angle)

Now solve for x

78 - x + 36 + 3x - 10 = 180
2x + 68 = 180
     -  68     -68 (subtract 68 on both sides)
2x        =  58
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7 0
3 years ago
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alekssr [168]
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3 0
3 years ago
The variance Var(x) for the binomial distribution is given by equation :
aliina [53]

Answer: d. np(1 - p).

Step-by-step explanation:

Let x be any binomial variable which represents the number of success such that X\sim B(n, p) , where n is the sample size or the total number of trials and p is the probability of getting success in each trial .

Then, the mean E(x) and the variance Var(x) for the binomial distribution is given by equation :

E(x)=\mu=np

Var (x)=\sigma^2=np(1-p)

where n is the sample size or the total number of trials and p is the probability of getting success in each trial .

Therefore , the correct option is option d. np(1 - p) .

6 0
3 years ago
The perimeter of a rectangle is 60. The length is 10 more than the width. find the length and width
Elenna [48]

Answer:

Width is 10  Length is 20

Step-by-step explanation:

Perimeter = 60

Length = W + 10

P = 2L + 2W                      Write the equation for perimeter

60 = 2(W + 10) + 2W         Substitute your variables

60 = 4W + 20

- 20          - 20                Subtract 20 from both sides

40 = 4W                        Divide both sides by 4

10 = W

8 0
3 years ago
Read 2 more answers
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