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Angelina_Jolie [31]
2 years ago
13

An investor has an account with stock from two different companies. Last year, his stock in Company A was worth $5900 and his st

ock in Company B was worth $1850. The stock in Company A has increased 20% since last year and the stock in Company B has increased 18%. What was the total percentage increase in the investor's stock account? Round your answer to the nearest tenth (if necessary).
Mathematics
1 answer:
Ghella [55]2 years ago
4 0

Answer:

Step-by-step explanation:

Final Answer: 19.5%

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Paul wants to buy a car. He needs to take out a loan for $7000. The car salesman offers him a loan with an interest rate of 8%,
Alisiya [41]

Answer:

a. It will take approximately 40 months

b. The total amount Paul has to pay is approximately $8,000

c. The amount Paul pays each month is approximately $316.59

d. The amount Paul has to pay is approximately $7,598.16

e. Lower monthly payment

f. Lower total payment amount (amount to be paid)

Step-by-step explanation:

a. The loan amount, PV = $7,000

The annual interest rate, r = 8%

Option 1; The amount of equal monthly payment to repay the loan = $200

Option 2; The number of equal monthly payment to repay the loan = 24

The formula for the present value of an annuity is given as follows;

PMT = \dfrac{\dfrac{r}{12}  \times PV}{1 - \left (1 + \dfrac{r}{12} \right)^{-n}}

Where;

PMT = The monthly payment

n = The number of months

Where PMT = $200, we have;

200 = \dfrac{\dfrac{0.08}{12}  \times 7,000}{1 - \left (1 + \dfrac{0.08}{12} \right)^{-n}}

1 - \dfrac{\dfrac{0.08}{12}  \times 7,000}{200}  = \left (1 + \dfrac{0.08}{12} \right)^{-n}

1 - \dfrac{7}{30}  = \dfrac{23}{30} =  \left ( \dfrac{151}{150} \right)^{-n}

-n = \dfrac{ ln \left(\dfrac{23}{30} \right)}{ln\left(\dfrac{151}{150} \right) } \approx -39.988

∴ The number of months it will take for Paul to repay the loan, n ≈ 39.988 ≈ 40 months

b. The total amount Paul has to pay, A = PMT × n

Therefore, b plugging in the values of PMT, and 'n', we get;

A ≈ $200 × 40 = $8,000

c. Using option 2, we have;

n = 24

Therefore;

PMT = \dfrac{\dfrac{0.08}{12}  \times 7,000}{1 - \left (1 + \dfrac{0.08}{12} \right)^{-24}} \approx 316.59

The monthly payment, PMT ≈ $316.59

d. The total amount Paul has to pay using option 2, A ≈ 316.59 × 24 = 7,598.16

The total amount Paul has to pay using option 2, A ≈ $7,598.16

e. A reason why Paul might choose option 1 is that option 1 offers lower monthly payment

f. A reason why Paul may choose option 2 is that option 2 offers a lower total amount that he has to pay.

5 0
2 years ago
ARE THESE CONGRUENT OR NOT????
tekilochka [14]
Yes, they are congruent. Congruent means that they are exactly equal in size and shape. The are both Right Triangles (you can tell by the 90 degree angle) and the lines on them are in the same spots, which means, line YZ is equal to line BC, and that line XZ is equal to line AC. I hope that helped! :)
8 0
2 years ago
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