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pav-90 [236]
3 years ago
13

Simplify the expression (4 + 5i)(4 - 5i).16 - 20i16 + 20i-941​

Mathematics
1 answer:
AnnZ [28]3 years ago
3 0

Answer:

The answer i got was 41. i just took a test with the same problem and it was correct. Hope this helps.

Step-by-step explanation:

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You deposit $2000 in an account earning 6% interest compounded monthly. How much will you have in the account in 15 years?
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\bf ~~~~~~ \textit{Compound Interest Earned Amount} \\\\ A=P\left(1+\frac{r}{n}\right)^{nt} \quad \begin{cases} A=\textit{accumulated amount}\\ P=\textit{original amount deposited}\dotfill &\$2000\\ r=rate\to 6\%\to \frac{6}{100}\dotfill &0.06\\ n= \begin{array}{llll} \textit{times it compounds per year}\\ \textit{monthly, thus twelve} \end{array}\dotfill &12\\ t=years\dotfill &15 \end{cases} \\\\\\ A=2000\left(1+\frac{0.06}{12}\right)^{12\cdot 15}\implies A=2000(1.005)^{180}\implies A\approx 4908.19

7 0
3 years ago
Five more than the product of four and a number is equal to the product of three and that same number increased by six.
svetlana [45]

Answer:

The number is 1.

Step-by-step explanation:

If you simplify the equation, it goes to 4x+5=3x+6. Subtract 5 from both sides and you get 4x= 3x+1. The only number that satisfies that equation is 1.

8 0
3 years ago
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A pole 9 feet tall is used to support a guy wire for a tower, which runs from the tower
STALIN [3.7K]

Answer:

42 feet

Step-by-step explanation:

7 0
2 years ago
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Asappppp!!!!!!!!!!!!!!!!!!!!!!!!
Scrat [10]
42 because x is equal to its corresponding side
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Subtract 715 from the sum of 810 and 189
hodyreva [135]
810+189-715= 284. the answer is 284
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2 years ago
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