MATHEMATICS COLLEGE

What Ln(z) is answer????!!

Answers

Answer 1

Answer:

Write z in exponential form:

$z=1-i=\sqrt2 e^(-i\frac\pi4)$

Then taking the logarithm, we get

$\mathrm{Ln}(z)=\ln(\sqrt2) + \ln e^(-i\frac\pi4) = \boxed{\ln(\sqrt2)-\frac\pi4i}$

so a is the correct answer.

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The opening prices per share Y1 and Y2 of two similar stocks are independent random variables, each with a density function given by

Answers

Answer:given by what?

A researcher calls 1,800 randomly chosen residential telephone numbers, and then asks to speak with an adult member of the household. The researcher asks, “How many 3D movies have you watched in a movie theater in the past 12 months?”4. What source of bias is likely for the question asked?

Answers

The bis which is likely for the given question by the researcher is response bias.

Given that,

A researcher calls 1,800 randomly chosen residential telephone numbers, and then asks to speak with an adult member of the household.

The researcher asks, “How many 3D movies have you watched in a movie theater in the past 12 months?”.

Response bias happens when the people who needs to respond does this in an inaccurate way or wrongly.

Here almost no people will be correctly remembering the exact number of movies they watched in a year.

Also, they may be volatile to social desirability and may say less or more number of movies.

So there happens a response bias.

Hence the correct bias is response bias.

Learn more about Response Bias here :

brainly.com/question/14493813

#SPJ1

Lines v and w are parallel. Which statement can you NOT deduce from this information?m∠2+m∠5=180
m∠3+m∠8=180
∠4-∠7
∠1=∠8

Answers

Based on the rules for vertical angles, ∠1 = ∠4, and ∠5 = ∠8. Based on the rules for corresponding angles, ∠1 = ∠5, so all four of those angles are equivalent.
Similarly, ∠2 = ∠3 = ∠6 = ∠7.
Since ∠2 = ∠6, and ∠5 + ∠6 = 180 degrees, then the first statement is true.
The second statement is also true since ∠3 = ∠7, and ∠7 + ∠8 = 180.
The third statement is false, as it cannot be verified.
The fourth statement is true, as proven in the first part based on vertical and corresponding angles.

5. MAPPING Ben and Kate are making amap of their neighborhood on a piece of
graph paper. They decide to make one
unit on the graph paper correspond to
100 yards. First, they put their homes
on the map as shown below.

a. How many yards apart are Kate's and Ben's homes?

b. Their friend Jason lives exactly halfway between Ben and Kate. Mark the location of Jason's home on the
map. if my answers are wrong, correct me. i just used a pdf and idk if they’re right. ty ❤️

Answers

Answer:

a. 1,000 yards

b. (2, -1)

Step-by-step explanation:

Coordinates of Ben's House = (6, 2)

Coordinates of Kate's House = (-2, -4)

a. Number of yards between Kate and Ben's House using instance formula, $d = √((x_2 - x_1)^2 + (y_2 - y_1)^2)$ .

$d = √((6 -(-2))^2 + (2 -(-4))^2)$

$d = √((8)^2 + (6)^2)$

$d = √(64 + 36)$

$d = √(100)$

$d = 10 units$

1 unit = 100 yards

Therefore, 10 units = 1,000 yards.

Kate and Ben's House are 1,000 yards apart.

b. Since Jason's home is halfway between Ben and Kate's House, therefore, Jason's location is the midpoint between Ben and Kate's House. Use the midpoint formula to calculate the coordinates of Jason's location on the map, using (6, 2) and (-2, -4).

$M((x_1 + x_2)/(2), (y_1 + y_2)/(2))$

Plug in the values

$M((6 +(-2))/(2), (2 +(-4))/(2))$

$M((4)/(2), (-2)/(2))$

$M(2, -1)$

What the area of the polygon below

Answers

Answer:

i how are you

Step-by-step explanation:

Please help! If it is right I will mark it brainliest!!!!A ball is thrown upward from the top of a building. The function below shows the height of the ball in relation to sea level, f(t), in feet, at different times, t, in seconds: f(t) = −16t2 + 48t + 160 The average rate of change of f(t) from t = 3 seconds to t = 5 seconds is feet per second.

Answers

the answer is -80 :)

The answer is -80. I just finished taking this test and this question was right.

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