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Pavlova-9 [17]
2 years ago
5

Suppose you obtain a $4,000 T-note with a 4% annual rate, paid half-yearly, with maturity in 5 years. How much (simple) interest

will you earn?
Mathematics
1 answer:
miskamm [114]2 years ago
6 0
Principal x Rate x Time = Interest

4000 x .04/2 x 5x2 = 800
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One of our brainliest, Konrad509, made this:
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\dfrac{B_x \sqrt{74_x}}{1D_x}+J_x51_x=4G3_x

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121(7x+4)=(4x^3-27x^2-1043x-208)^2\\\\847x+484=16 x^6 - 216 x^5 - 7615 x^4 + 54658 x^3 + 1099081 x^2 + 433888 x + 43264\\\\16 x^6 - 216 x^5 - 7615 x^4 + 54658 x^3 + 1099081 x^2 + 433041 x +42780=0

Now, the "only" thing that remains to do is solving the above equation.

While making this problem I only made sure it has a solution. I didn't try to solve it myself and I didn't know it will end up with such "convoluted" polynomial. Sorry to everyone who tried to solve it... m(_ _)m

I think the best way to approach it is using the rational root theorem since we know that x\in\mathbb{N}. Moreover we can deduce that x\geq19 since there is J and J=19.

After you succesfully solve it, you should get the answer x=20.

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