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Svetradugi [14.3K]
3 years ago
15

Find the greatest common factor of each set of numbers 21 24 and 27

Mathematics
1 answer:
saveliy_v [14]3 years ago
3 0
Greatest common factor is 3
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Jackie makes an $800 deposit into a bank account earning 4.5% interest.
Pepsi [2]

Answer:

a. $1251.5

b. $1254.64

c. 15.4 years

d. 30.56 years

Step-by-step explanation:

Given the information:

  • Principle (P) = $800
  • Interest = 4.5%

As we know, the formula to find the future value of Jackie deposit with interest is compounded monthly, quaterly, ..is

A=P(1+\frac{r}{n} )^{nt}  where:

  • P = initial balance
  • r = interest rate (decimal)  
  • n = number of times compounded annually
  • t = time

Hence:

a. If the interest is compounded quarterly how much money will Jackie have in 10 years?

A=P(1+\frac{r}{n} )^{nt}  

<=>  A=800(1+\frac{0.045}{4} )^{4*10}

<=> A = $1251.5

d. If Jackie's money is compounded monthly, how long will it take her money to triple?

<=> A=P(1+\frac{r}{n} )^{nt} = 3*800

<=> 800(1+\frac{0.045}{12} )^{12*t} = 2400

<=> (1+\frac{0.045}{12} )^{12*t} = 3

<=> t = 30.56 years

As we know, the formula to find the future value of Jackie deposit with interest is compounded continuously

A = P*e^{rt} where e is the mathematical constant approximated as 2.7183.

b. If the interest is compounded continuously how much money will Jackie have in 10 years?

<=> A = 800*2.7183^{0.045*10}

<=> A = $1254.64

C. If Jackie's money is compounded continuously, how long will it take her money to double?

<=> P*e^{rt}  = 2*800

<=> 800*2.7183^{0.045*t} = 1600

<=> 2.7183^{0.045*t} = 2

<=> t = 15.4 years

8 0
3 years ago
What is the formula for surface area of a pyramid?
Pachacha [2.7K]

for pysamid is ph+B2

hope it helps

4 0
2 years ago
If $125 is invested at an interest rate of 18% per year and is compounded continuously, how much will the investment be worth in
goldfiish [28.3K]

Answer:

$179.17

Step-by-step explanation:

brainly.com/question/12714871

3 0
3 years ago
Read 2 more answers
Discrimination of Y= -4x^2+ 2x+1
Taya2010 [7]

Answer:

20

Step-by-step explanation:

I assume you mean discriminant.

For a quadratic y = ax² + bx + c, the discriminant is b² − 4ac.

Here, a = -4, b = 2, and c = 1.  So the discriminant is:

(2)² − 4(-4)(1) = 20

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3 years ago
What is 1/2x1/2+1/3+9/1
Anna007 [38]

Answer:

9.58333333333

Step-by-step explanation:

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3 years ago
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