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VikaD [51]
3 years ago
12

Find the complex conjugate of Z = a + 2i + 3ib​

Mathematics
1 answer:
Neko [114]3 years ago
5 0

Answer:

Z = a - 2i - 3ib

Step-by-step explanation:

The complex conjugate has the expression with the opposite sign for the imaginary part.

Complex conjugate of Z=a + 2i + 3ib is,

Z = a - 2i - 3ib

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Find the slope of the line that passes through (10, 3) and (7, 11).
Vadim26 [7]

Answer:

Slope of the line is -\frac{8}{3}.

Step-by-step explanation:

Given points are:

(10, 3) and (7, 11)

Here,

x1 = 10 and y1 = 3

x2 = 7 and y2 = 11

Slope of a line is given by

m = \frac{y_2-y_1}{x_2-x_1}\\\\m = \frac{11-3}{7-10}\\\\m = \frac{8}{-3}

Therefore,

Slope of the line is -\frac{8}{3}.

8 0
3 years ago
Find the value of the probability of the standard normal variable Z corresponding to this area for problems 1-3.
Semenov [28]

Answer:

Explained below.

Step-by-step explanation:

The complete question is:

Find the value of the probability of the standard normal variable Z corresponding to this area for problems 1-3.

1. P(Z < 1.62)

2. P(Z > -1.57)

3. P(-1.41 < Z < 0.63)

Solution:

Use Excel to solve the problems.

(1)

P(Z < 1.62)  =NORM.S.DIST(1.62,TRUE)

                 = 0.9474

(2)

P(Z > -1.57)  = P (Z < 1.57)

                  =NORM.S.DIST(1.57,TRUE)

                  = 0.9418

(3)

P(-1.41 < Z < 0.63) = P (Z < 0.63) - P (Z < -1.41)

                             =NORM.S.DIST(0.63,TRUE) - NORM.S.DIST(-1.41,TRUE)

                             = 0.7357 - 0.0793

                             = 0.6564

7 0
3 years ago
Write a quartic trinomial with a leading coefficient of 2 using standard form
lions [1.4K]
Quartic => polynolial degree 4, i.e. the highest exponent of the variable is 4

trinomial=> three terms

leading coefficient = the coefficient in front of the term with the highest exponent.

standard form=> ax^4 + bx^3 + c^2 + dx + e

Solution:

2x^4 + x^3 + 0x^2 + 0x + 30

which is equal to 2x^4 + x^3 + 30: this is a quartic trinomial with leading coefficient 2, written in standard form.
 
3 0
3 years ago
THIS QUESTION IS HARD FOR ME HELP PLZ
alina1380 [7]

Answer:

€135/12

Step-by-step explanation:

0.8×x=27

x=27÷0.8

=270/8

=135/4

135/4÷3=135/12

3 0
3 years ago
MI PRIMA DE 6TO GRADO ME PIDIO AYUDA , NO ME ACUERDO PUEDEN AYUDARME
miv72 [106K]

Answer:

esto no es sexto grado

3 0
3 years ago
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