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faltersainse [42]
3 years ago
12

Salma wants to buy a new house but needs money for the down payment. Her parents agree to lend her money at an annual rate of 4%

, charged as simple interest. They lend her $4000 for 2 years. She makes no payments except the one at the end of that time.
(a) How much total interest will Salma have to pay?


(b) What will the total repayment amount be (including interest)?
Mathematics
1 answer:
DochEvi [55]3 years ago
8 0

Answer:

Total Interest at the end of two years will be $320. She will owe a total repayment amount of $4000 plus $320 for a total of $4320.

Step-by-step explanation:

Hope this helps.

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write a polynomial function of least degree with integral coefficients that has the given zeros. -(1/3), -i
inessss [21]

Answer:

f(x)=3x^3+x^2+3x+1

Step-by-step explanation:

If a real number -\frac{1}{3} is a zero of polynomial function, then

x-\left(-\dfrac{1}{3}\right)=x+\dfrac{1}{3}

is the factor of this function.

If a complex number -i is a xero of the polynomial function, then the complex number i is also a zero of this function and

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So, the function of least degree is

f(x)=\left(x+\dfrac{1}{3}\right)(x+i)(x-i)=\left(x+\dfrac{1}{3}\right)(x^2-i^2)=\\ \\ =\left(x+\dfrac{1}{3}\right)(x^2+1)=\dfrac{1}{3}(3x+1)(x^2+1)=\dfrac{1}{3}(3x^3+x^2+3x+1)

If the polynomial function must be with integer coefficients, then it has a form

f(x)=3x^3+x^2+3x+1

4 0
4 years ago
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Brilliant_brown [7]

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Step-by-step explanation:

7 0
3 years ago
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12.  retail price = c + (0.57c)

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Vlad1618 [11]

Answer:

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Step-by-step explanation:

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