MATHEMATICS HIGH SCHOOL

Find the sum of -2 + i and its complex conjugate.
Write your answer in the form a + bi.

Answers

Answer 1

Answer:

The sum of -2 + i and its complex conjugate is:

w = -4 + 0i

How to find the sum?

The complex conjugate of a number z = a + bi is:

z' = a - bi.

Then the complex conjugate of -2 + i is -2 - i.

The sum will give:

w = -2 + i + (-2 - i) = -4 + 0

Writing it in the wanted form we get:

w = -4 + 0i

If you want to learn more about complex numbers, you can read:

brainly.com/question/10662770

#SPJ2

Answer 2

Answer:

Answer:

- 4

Step-by-step explanation:

The conjugate of - 2 + i is - 2 - i, thus

- 2 + i + (- 2) - i

= - 2 + i - 2 - i ← collect like terms

= - 4 ← in the form a + bi with b = 0

Related Questions

The first four terms of a sequence are shown below:8, 5, 2, −1Which of the following functions best defines this sequence? (5 points)Question 11 options:1) f(1) = 8, f(n + 1) = f(n) + 3; for n ≥ 12) f(1) = 8, f(n + 1) = f(n) − 5; for n ≥ 13) f(1) = 8, f(n + 1) = f(n) + 5; for n ≥ 14) f(1) = 8, f(n + 1) = f(n) − 3; for n ≥ 1
Escreva no caderno dois exemplos de números reais que obedecem a cada uma das condições A) números irracionais maiores que 2,5 e menores que 3.B) números racionais maiores que -7/8 e menores que -3/4
Purchase computer of 30000
Find the slope y=-5x-1
(x - 5)2 = 25Solution steps:Add 5 to both sidesMultiply both sides by 5Square both sidesTake the square root of both sides

Corinne is 6 years younger than her brother. Which of the following expressions shows the sum of their ages if b represents Corinne's brother's age?

Answers

From the given conditions above, if Corrine's brother's age is b, hers would be b - 6 given that she is 6 year younger. Adding b with b - 6 will give 2b - 6. Thus, the expression that shows the sum of their ages is 2b - 6.

Which measurement is equivalent to 987 mL?9.87 L
9,870 L
0.987 L
98.7 L

Answers

0.987L

1L is equal to 1000mL.

Answer:

0.987L

Hope this heeeeeeelps

Can u plz help me I don't understand

Answers

Answer:

Yes

Step-by-step explanation:

u multiply 10% and 84= 8.4

anything close to 84- 8.4

Do any body know the summary for The Christmas carol act 2 scene 2?

Answers

Answer:

Act 2 of the Christmas Carol begins with Scrooge getting a visit from the ghost of Christmas present. This spirit is a jolly man filled with happiness and laughter. ... Scrooge sees Bob Cratchit's crippled son, Tiny Tim, who shows so much kindness towards everyone that it warms Scrooge's heart.

Step-by-step explanation:

your welcome

If f ( x ) f(x) is an exponential function where f ( − 3.5 ) = 25 f(−3.5)=25 and f ( 6 ) = 33 f(6)=33, then find the value of f ( 6.5 ) f(6.5), to the nearest hundredth.

Answers

Given:

f(x) is an exponential function.

$f(-3.5)=25, f(6)=33$

To find:

The value of f(6.5).

Solution:

Let the exponential function is

$f(x)=ab^x$ ...(i)

Where, a is the initial value and b is the growth factor.

We have, $f(-3.5)=25$ . So, put x=-3.5 and f(x)=25 in (i).

$25=ab^(-3.5)$ ...(ii)

We have, $f(6)=33$ . So, put x=6 and f(x)=33 in (i).

$33=ab^(6)$ ...(iii)

On dividing (iii) by (ii), we get

$(33)/(25)=(ab^(6))/(ab^(-3.5))$

$1.32=b^(9.5)$

$(1.32)^{(1)/(9.5)}=b$

$1.0296556=b$

$b\approx 1.03$

Putting b=1.03 in (iii), we get

$33=a(1.03)^(6)$

$33=a(1.194)$

$(33)/(1.194)=a$

$a\approx 27.63$

Putting a=27.63 and b=1.03 in (i), we get

$f(x)=27.63(1.03)^x$

Therefore, the required exponential function is $f(x)=27.63(1.03)^x$ .

The following frequency table shows the number of fish caught by each of Igor's family members. What was the maximum number of fish that a family member caught? _____ fish

Answers

Answer:

Step-by-step explanation:

The values on the left of the table represent the number of fish caught, and the number of the right of the table represents how many family members caught that amount of fish.

Therefore, the first row means that 0 family members caught 0 fish.

The second row means that 3 family members caught 1 fish.

The third row would mean 1 family member caught 2 fish.

The next row would mean 0 family members caught 3 fish.

And the final row would mean 4 family members caught 4 fish.

The question does not ask for the total amount of fish caught; rather is ask for the maximum number of fish that a single family member caught.

Therefore, the maximum amount of fish that a single family member catches is 4. (And 4 family members did so. But individually, the maximum amount of fish one person caught is 4).

Answer:

it's 1 fish

Step-by-step explanation:

i took the test

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