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4 years ago

How do I find what i^41 is?

Mathematics

1 answer:

ddd [48]4 years ago

4 0

Well I'm assuming i is the sqrt(-1)
So i^2=-1
Thus i^4=(-1)^2=1
Since i^41=i*i^40=i*(i^4)^10=i*1^10=1

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What is three less than the product of four and the difference of a number and five

lilavasa [31]

Answer: 3-4n-5

Step-by-step explanation: 3-4 times an number-5 is 3-4n-5.

3 0

3 years ago

What is the value of x

Nesterboy [21]

Answer:

$x = 2$

Step-by-step explanation:

First simplify the equation.

$\frac{7}{9}x -\frac{4}{9} =\frac{1}{4} +\frac{5}{12}$
$\frac{3}{9}x= \frac{3}{12} +\frac{5}{12}$
$\frac{3}{9}x=\frac{8}{12}$
$\frac{1}{3}x=\frac{2}{3}$

Now multiply both sides by 3.

$x = 2$

I hope it helps you. Please choose my answer as the BRAINLIEST.

7 0

3 years ago

Read 2 more answers

Among 420 randomly selected employees at a company, the mean number of hours of overtime worked per month is 10 hours and the st

kari74 [83]

The margin of error of the random selection is 0.20

The given parameters are:

$n = 420$ --- the sample size

$\sigma = 1.6$ --- the standard deviation

$\bar x = 10$ --- the mean

$\alpha = 99\%$ --- the confidence level.

The margin of error (E) is calculated as follows:

$E = z \times \sqrt{\frac{\sigma^2}{n}}$

So, we have:

$E = z \times \sqrt{\frac{1.6^2}{420}}$

$E = z \times \sqrt{\frac{2.56}{420}}$

The z-value for 99% confidence level is 2.576.

Substitute 2.576 for z

$E = 2.576 \times \sqrt{\frac{2.56}{420}}$

$E = 2.576 \times \sqrt{0.006095}$

Take square roots

$E = 2.576 \times 0.0781$

Multiply

$E = 0.2012$

Approximate

$E = 0.20$

Hence, the margin of error is 0.20

Read more about margin of error at:

brainly.com/question/14396648

8 0

3 years ago

Read 2 more answers

Nikhil invests all of his $ 350 at a rate of 3% per year simple interest.Calculate the total value of this investment after 7 ye

Andrew [12]

answer:

423.5

step1.

you find the value of 3% by dividing over 100 because percentage is over 100 so 3/100

step2

multiply by $350

so 3/100×350=10.5

step3

we are told the investment is for 7years so we multiply 10.5 by 7 because 10.5 is only for 1year

10.5×7=73.5

step4

add the 73.5 to the 350 then you have your answer

3 0

3 years ago

What is 9/10 of 50 in simplest form

ankoles [38]

50 /10 = 5

5 * 9 = 45

45 is 9/10 of 50

8 0

4 years ago