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1 year ago

ind the present value that will grow to $4000 if the annual interest rate is 8.5% compounded quarterly for 9 yr.

Mathematics

1 answer:

frozen [14]1 year ago

4 0

Answer:

$1876.31

Step-by-step explanation:

The present value can be found using the compound interest formula.

<h3>Present value</h3>

The formula for the future value of an investment of P earning annual interest rate r compounded n times per year for t years is ...

FV = P(1 +r/n)^(nt)

Filling in the known values gives ...

4000 = P(1 +0.085/4)^(4·9) = P(1.02125^36)

Then the amount to be invested is ...

P = 4000/1.02125^36 ≈ 1876.31

The present value is $1876.31.

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A professora Luísa observou que o numero de meninas de turma dividido pelo numero de meninos dessa turma e 0,48. Qual e o menor

saw5 [17]

Respuesta:

37 estudiantes

Explicación paso a paso:

El número de niños dividido por el número de niñas = 0,48

Dejar :

x = número de niños; y = número de niñas

Tenemos ;

x / y = 0,48

Conversión a decimal;

0.48 es equivalente a 48/100

Reduciendo a la forma más simple:

48/100 = 12/25

Comparando:

x / y = 12/25

x = 12; y = 25

El menor número posible de estudiantes:

x + y = 12 + 25 = 37 estudiantes

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2 years ago

2/6 - 7/20 as a proper fraction or mixed number

trapecia [35]

Answer:

2/6 - 7/20 is -1/60 in fraction form.

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3 years ago

Read 2 more answers

The hartford insurance company has hired you to poll a sample of adults about their car purchases. what is wrong with using tele

lawyer [7]

Answer:

Step-by-step explanation:

Given that the hartford insurance company has hired you to poll a sample of adults about their car purchases.

Here the insurance company is using convenience sampling to select customers so they resorted to taking the names from telephone directories.

But this may not be reliable since persons owning cars need not have telephones and similarly persons having telephones need not own cars

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So taking random sample of names from telephone directories may not give the required accurate result since here sample cannot be assumed to represent the population of car owners.

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3 years ago

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Sunny_sXe [5.5K]

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2 years ago

Use the quadratic formula to solve x2 + 2x - 120 = 0. Think about what other method could also be used to solve this equation. a

pshichka [43]

Answer:

x = 10 , -12

Step-by-step explanation:

Solution:-

- The given quadratic equation is to be solved using the quadratic formula. The general form of a quadratic equation is:

$ax^2 + bx + c =0$

Where, [ a , b and c are constants ]

- The quadratic formula is given as:

$x = \frac{-b+/-\sqrt{b^2 - 4*a*c} }{2a}$

- The given equation is:

$x^2 + 2x - 120 = 0$

Where, a = 1 , b = 2 , c = -120

- Solve using quadratic formula:

$x = \frac{-2+/-\sqrt{2^2 - 4*1*(-120)} }{2*1}\\\\x = \frac{-2+/-\sqrt{4 + 480} }{2}\\\\x = \frac{-2+/-(22) }{2}\\\\\\x = 10 , -12$

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3 years ago

ind the present value that will grow to ​$4000 if the annual interest rate is ​8.5% compounded quarterly for 9 yr.

ind the present value that will grow to $4000 if the annual interest rate is 8.5% compounded quarterly for 9 yr.