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4 years ago

What would be the interest rate p.a to invest $2000 compounding half_yearly for 4 years to earn $5000?

Mathematics

1 answer:

nikklg [1K]4 years ago

3 0

Answer:

24,27% interest rate.

Step-by-step explanation:

The compound-interest equation is as follows:

Fv=Pv(1+i/n)^(an)

Fv is future value

Pv is present value

i is interest in decimals

n is compount frequency per year

a is lenght of time in years

To easily find the interest rate manipulate the formula to look like this (see pic). Note interest is in decimals and will have to be multiplied by 100 to get %.

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Order each set of numbers from least to greatest {7 , 9 √50, √85

Oksi-84 [34.3K]

Answer:

7,√50,9,√85

Step-by-step explanation:

The square root of 50 is 7.071 if you round to the nearest thousandth. The square root of 85 is 9.220. From least to greatest is 7,√50,9,√85

8 0

4 years ago

Determine the equation of the parabola whose graph is given below. Write your answer in General Form. A parabola on a coordinate

dimaraw [331]

The equation of parabola becomes y = -2/25(x-3)^2 + 4.

According to the statement

we have given a graph and from this graph we have to find the equation of parabola in the general form.

So,

we know that the equation of parabola in general form is

y = a(x-h)^2 +k - (1)

From the graph we have:

a point on the graph is (x,y) = (-2,2)

the vertex of the graph is (h,k) = (3,4)

Now, substitute these values in the equation number (1)

Then

y = a(x-h)^2 +k

2 = a(-2-3)^2 +4

2 = a(-5)^2 +4

2 = a(25) +4

25a = -2

a = -2/25.

Now put a = -2/25 and (h,k) = (3,4) in the equation(1).

Then

the equation of parabola becomes y = -2/25(x-3)^2 + 4

So, The equation of parabola becomes y = -2/25(x-3)^2 + 4.

Learn more about equation of parabola here brainly.com/question/4061870

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6 0

2 years ago

each row has a starting cart that it 4 feet long if this row is 43 feet long how many total carts are in it

Margaret [11]

Answer:

43/4 = 10.25 which rounds to the nearest whole number of 10 total carts

5 0

2 years ago

Marie has 8 hours to write a 45-page chapter

Anastasy [175]

Marie will NOT complete the chapter in time

Step-by-step explanation:

If Marie writes at a constant speed of 4 pages per hour, to write a 45-page chapter she will take;

45/4 = 11.25

= 11 ¼ hours

11 ¼ hours > 8 hours

Therefore Marie will NOT complete the chapter in time

Learn More:

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7 0

3 years ago

What is the factored form of 3x^2 + 23x - 36?

alex41 [277]

The factored form is (3x-4)(x+9)

6 0

4 years ago

What would be the interest rate p.a to invest $2000 compounding half_yearly for 4 years to earn $5000?​

What would be the interest rate p.a to invest $2000 compounding half_yearly for 4 years to earn $5000?