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Mariana [72]
2 years ago
11

If i=1, what is the value of 1³? O -1 Oi 0 1 O-i

Mathematics
2 answers:
sineoko [7]2 years ago
8 0
Here you go! Hope this helps

vodomira [7]2 years ago
3 0

Answer:  [D]:  " - i " .

Step-by-step explanation:

Note:  " i ³ = \sqrt{-1} .

\sqrt{-1} * \sqrt{-1} * \sqrt{-1} = [ \sqrt{-1} * \sqrt{-1} ] * \sqrt{-1}

                                                             =  {-1}   *  \sqrt{-1}  

                                                             =  -1 \sqrt{-1}
                                                             =    - \sqrt{-1} ;

                                           →  which corresponds to:

                        Answer choice:  [D]:  " - i " .

___________________________

Hope this is helpful to you.  Best wishes!
___________________________

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Jim and bill each invest $15,000 into savings accounts that earn 3.5% interest. Jims account earns simple interests and bills ac
Svet_ta [14]

Answer:

Bill will earn more interest

He will earn $ 20,448.67 from his investment

Step-by-step explanation:

Firstly let us calculate Jim's earnings based on simple interest

A = P(1 + rt)

Calculation:

First, converting R percent to r

a decimal

r = R/100 = 3.5%/100 = 0.035 per year.

Solving our equation:

A = 15000(1 + (0.035 × 25)) = 28125

A = $28,125.00

The total amount accrued, principal plus interest, from simple interest on a principal of $15,000.00 at a rate of 3.5% per year for 25 years is $28,125.00 for Jim

Now let's us calculate bill's investment based on compound interest

Equation

A = P(1 + r)^t

A=15000(1+0.035)^25

A=15000(1.035)^25

A=15000*2.36324498427

A = $ 35,448.67

We see that Bill will earn

$ 20,448.67 from his investment

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lora16 [44]
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Answer:

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Step-by-step explanation:

We use the conditional probability formula to solve this question. It is

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In which

P(B|A) is the probability of event B happening, given that A happened.

P(A \cap B) is the probability of both A and B happening.

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P(B|A) = \frac{0.03}{0.73} = 0.0411

4.11% probability that he has lung disease given that he does not smoke

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