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nevsk [136]
3 years ago
12

Izumi deposits $325 in an account that pays 6% interest compounded monthly. Izumi incorrectly claims that the account balance wi

ll be $670 after 1 year.What will be the account balance after 1 year. What error did Izumi likely make?
Mathematics
1 answer:
ValentinkaMS [17]3 years ago
5 0

Answer:

Amount after one year = $410

Error made = $260

Step-by-step explanation:

Number of quarters in one year = four quarters

Hence amount after one year = P(1+r)⁴

A = 325(1+0.06)⁴ = $410

Error made = 670 - 410 = $260

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Murrr4er [49]

Answer: Option A

x=\frac{3+i}{2} or x=\frac{3-i}{2}

Step-by-step explanation:

Use the quadratic formula to find the zeros of the function.

For a function of the form

ax ^ 2 + bx + c = 0

The quadratic formula is:

x=\frac{-b\±\sqrt{b^2-4ac}}{2a}

In this case the function is:

2x^2-6x+5=0

So

a=2\\b=-6\\c=5

Then using the quadratic formula we have that:

x=\frac{-(-6)\±\sqrt{(-6)^2-4(2)(5)}}{2(2)}

x=\frac{6\±\sqrt{36-40}}{4}

x=\frac{6\±\sqrt{-4}}{4}

Remember that \sqrt{-1}=i

x=\frac{6\±\sqrt{4}*\sqrt{-1}}{4}

x=\frac{6\±\sqrt{4}i}{4}

x=\frac{6\±2i}{4}

x=\frac{3\±i}{2}

x=\frac{3+i}{2} or x=\frac{3-i}{2}

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4 years ago
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Masja [62]
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Principal- Rs x
Rate=?
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xxTIMURxx [149]
The answer is b. Hope this was helpful
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Step-by-step explanation:

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