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pshichka [43]
3 years ago
15

Can someone help with these 3?

Mathematics
1 answer:
adell [148]3 years ago
4 0
1) 5 +8i
2) 11+2i
3) 6i sqrt(2)
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Which property is shown? If m ABC = m CBD, then m CBD = m ABC reflexive property substitution property symmetric property transi
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The correct answer for the question that is being presented above is this one: "symmetric property." Symmetric Property has the property of a = b, then b = a. This property is one of the equivalent properties of equality.
m ABC = m CBD, then m CBD = m ABC.
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Step-by-step explanation:

So the general formula for compound interest is A = P(1+\frac{r}{n})^{nt} where t is typically time in years, and n is how many times it's compounded per year. But in this case it's only compounded 1 time per year so the equation is just A = P(1+r)^t. in this case P is the principal amount, r is the interest, and A is the final amount. So the 5% interest rate becomes 0.05 by dividing by 100 to convert it into decimal form and the principle amount of 11,000. This gives you the formula A = 11000(1.05)^t. This is the answer to the first question where t is the time in years. When it says "Find interest earned" I'm a bit confused, is it giving you x amount of years where you have to calculate the interest earned or does it want a general equation? Because the general equation would be the final amount - the principle amount which calculates the difference. So the equation for interest earned would be 11000(1.05)^t-11000. To calculate the amount of money after 5 years you simply plug in 5 as t. this gives you the equation 11000(1.05)^5 \approx 11000(1.276) \approx 14,039.10

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