PLEASE HELP!!

Which of the following is a complex number?

PLEASE HELP!!Which Of The Following Is A Complex Number?

Answers

Answer 1

Answer:

A

Step-by-step explanation:

not sure if it is correct


Related Questions

help me im having trouble on slopes

Answers

Answer:

The slope-intercept form of an equation looks like this: y=mx+b

The m stands for the slope and the b stands for the y-intercept.

We need two points from the line to write out this equation.

For example (-2,0) and (1,2)

Now that we have the slope, we can plug it into our equation: y= 2/3x + b

To get b, our y-intercept, we just need to plug in one of the points found and solve. For example (-2,0)

Now that we have both our m and b values, we can plug them in to get our equation: y=2/3x + 4/3

Step-by-step explanation:

[tex]m= \frac{y1-y2}{x1-x2} = \frac{0-2}{-2-1}[/tex]

[tex]m=\frac{-2}{-3} = \frac{2}{3}[/tex]

[tex]0=\frac{2}{3}(-2)+b[/tex]

[tex]0=-\frac{4}{3}+b\\ 0+\frac{4}{3}=-\frac{4}{3}+\frac{4}{3}+b\\ 0+\frac{4}{3}=b\\ \frac{0*3}{3}+\frac{4}{3}=b\\ \frac{4}{3}=b[/tex]

Mary finds 8 pine cones on a walk. She finds 3 more pine cones than bobby finds. How many pine cones does bobby find?

Answers

Uhhhh uhhhhh I think it’s a 54 I think


It’s actually 11

can anybody help me with this?

Use this graph of f to find the solutions to f(x) = 0.

Answers

Another way to say f(x) is y, so y=0 at -2 and 10. :)

Convert the speed of sound 767 miles per hour to meters per hour. [1000

meters = 0.62 miles]

Answers


783 per hour is the real deal answer

what is the unit rate of 588 and 12

Answers

Answer:

49

Step-by-step explanation:

588  divided by 12                        49

___                                  =           -------          

12    divided by 12                           1

Hope this helped, click thanks if it did

If f(x) = 2x^2 - 3 and g(x) = x + 1, find g(f(x)).

Group of answer choices

2x^2 - 2

2(x+1)^2 - 3

2x^2 + 2

2x^3 + 2x^2 - 3x - 3

Answers

Answer:

g(

x

2

3

)

=

2

x

2

7

Step-by-step explanation:

brainliest

Find f(0), f(3), and f(5) for the following function: f(x) = 3x + 1
f(0) =
f(3) =
f(5) =

Answers

Answer:

1, 10, 16

Step-by-step explanation:

Substitute the given values of x into f(x)

f(0) = 3(0) + 1 = 0 + 1 = 1

f(3) = 3(3) + 1 = 9 + 1 = 10

f(5) = 3(5) + 1 = 15 + 1 = 16

1 pts
Graph the linear function y +8 = 2(x + 2)
-8
4
8
o
IA
2,8)
(014)

Answers

Answer: In the picture

please give me a brainliest answer

Can some pls help me

Answers

Answer:

5.29

Step-by-step explanation:

(Side)^2 = (Hypotenuse)^2 - (Side)^2

(Side)^2 = (8)^2 - (6)^2

(Side)^2 = 64 - 36

(Side)^2 = 28

Side = √28

Side = 5.29

>> Answer

_________

[tex] \: [/tex]

a² = c² - b²

a² = 8² - 6²

a² = 64 - 36

a² = 28

a = √28

a = 27

4x - 3 = 5 X=? can anyone tell me please

Answers

Answer:

x = 2

Step-by-step explanation:

4x - 3 = 5

4x = 8

x = 8/4

x = 2

------------

4 (2) - 3 = 5

8 - 3 = 5

5 = 5

answer: x = 2

solve the system using the elimination method.
3x - 7y = -18
4x - 2y = -24

Answers

3x-7y=-18
4x-2y=-24
——————
12x-28y=-72
12x-6y=-72
——————-
12x-28y=-72
-12x+6y=72
——————-
-23y=0
y=0
——————-
3x-0=-18
3x=-18
x=-6
——————-
COORDINATES: (-6, 0)

First one will be marked brainest GOOD LUCK!!!

Answers

Answer:

The 3rd one

Step-by-step explanation:

Answer:

the third option

Step by step explanation

x^3+10x^2+19x-30/x+6

Answers

Answer:

make it an equation

Step-by-step explanation:

It's not an equation.

A beach volleyball court is 9 meters wide and 18 meters long. The rope used
for the boundary line costs $1.58 per meter. How much would it cost to buy a
new boundary line for the court?

Answers

Answer:

$85.32

Step-by-step explanation:

The boundary is the perimeter of the rectangle of 9 m x 18 m:

P = 2(9 + 18) = 54 m

Cost of the boundary line:

54*$1.58 = $85.32

Consider the line y=-1/2x+9 What is the slope of a line parallel to this line? What is the slope of a line perpendicular to this line?

Answers

Answer:

Parallel line slope = - 1/2

Perpendicular line slope = 2

Step-by-step explanation:

PLease answer ASAP BRAINLEST!!1

Answers

Answer:

-7(2x-3y+.7)

Step-by-step explanation:

-14x+21y-4.9

Rewrite in terms of -7

-7 * 2x -7*-3y-7 *.7

Factor out -7

-7(2x-3y+.7)


What is the total surface area of a right cylinder with diameter 14 inches, and height 5 inches

Answers

Answer:

The total surface area is 527.79in²

Step-by-step explanation:

I am REALLY good at area!

Determine the cost per pound:
313 pounds of apples for $10.50

Answers

Answer:

3 cents

Step-by-step explanation:

Divide the cost by total pounds. 10.5 divided by 313 is 0.03.

Help with answer 10 please!!!

Answers

Answer:

b, d, e, f

Step-by-step explanation:

if there is direct variation then one variable equals the other by a constant

for example, y = 2x would indicate that every 'x' value is twice the 'y' value

therefore:

the line must be straight

pass through the point of origin

each point represents the same ratio

points are connected to form a straight line

rewrite the fraction 1/6 as a division expression with the same numbers.

Answers

Answer:

1 ÷ 6

Step-by-step explanation:

1/6 is the same as 1 ÷ 6

In the same way, 2/3 would be 2 ÷ 3

Hope this helps!

What is the slope of the line passing through the points (6, 7) and (1, 5)?

Answers

Answer: it’s a fraction and it’s 2/5

Step-by-step explanation:

The slope is 2/5, 5-7 divided by 1-6=2/5

Solve the equation −4(x − 1) + 6x = 2(17 − x)
solve for x.

Answers

Answer:

x = 15/2

Step-by-step explanation:

-4x + 4 + 6x = 34 - 2x

2x + 2x = 34 - 4

4x = 30

x = 30/4

x = 15/2

if everything in a store is 20% off and the discounted price of an item is $18.00 what is the regular price?

Answers

Answer:

14.4 dollars

Step-by-step explanation:

If you buy an item at $18 dollars with a 20% discount, you will pay 18 - 3.6 = 14.4 dollars

X+2x-5+6= 0 How would you picture model this to solve for x?

Answers

Hey there!

x + 2x - 5 + 6 = 0

1x + 2x - 5 + 6 = 0

3x + 1 = 0

SUBTRACT 1 to BOTH SIDES

3x + 1 - 1 = 0 - 1

CANCEL out: 1 - 1 because that gives you 0

KEEP: 0 - 1 because that helps solve for the x-value

0 - 1 = -1

NEW EQUATION: 3x = -1

DIVIDE 3 to BOTH SIDES

3x/3 = -1/3

CANCEL out: 3/3 because that gives you 1

KEEP: -1/3 because it gives you the value of x

SIMPLIFY IT

x = -1/3

Therefore, your answer is: x = - 1/3

Good luck on your assignment and enjoy your day!

~Amphitrite1040:)

The perimeter of the rectangle below is 65 inches.
a. What is the value of x?
b. What are the dimensions of the rectangle?

Answers

Answer:

A :-) Given -

perimeter = 65 inches

Side ‘a’ = 2x

Side ‘b’ = 3 1 by 4x + 1

Solution -

Perimeter = 65

= a + b = 65

= 2x + 3 1 by 4x + 1 = 65

( 3 1 by 4 = 4 x 3 + 1 = 12 + 1 by 4

= 13 by 4 )

= 2x + 13 by 4x + 1 = 65

= 2x + 13 by 4x = 65 - 1

= 2x + 13 by 4x = 64

= 15 by 4 x = 64

= x = 64 x 4 by 15

= x = 256 by 15

= x = 17.06

.:. The value of x = 17.06.

The U.S. population in 1910 was 92 million people. In 1990, the population was 280 million. This could either be a linear or exponential model. You will create both and then look at the true population increase and decide which model is closer the the true growth.

The actual U.S. population data (in millions) was:

Which model provides a better forecast for the U.S. population for the year 2030, linear or exponential or neither?

Question 5 options:

Linear model


Exponential model


Neither

Answers

Answer:

The linear model means that there is a uniform increase and in this case of US population from  92  million people in  1910  to  250  million people in  1990 .  

This means an increase of  250 − 92 = 158  million in  1990 -1910 = 80  years or   158 80 = 1.975  million per year and in  x  years it will become   92 + 1.975 x  million people. This can be graphed using the linear function  1.975 ( x − 1910 ) + 92 ,

graph{1.975(x-1910)+92 [1890, 2000, 85, 260]}

The exponential model means that there is a uniform proportional increase i.e. say  p %  every year and in this case of US population from  92  million people in  1910  to  250  million people in  1990 .  

This means an increase of  250 − 92 = 158  million in  1990 − 1910 = 80  years or  

p %  given by  92 ( 1 + p ) 80 = 250  which gives us  ( 1 +p ) 80 = 250 92  which simplifies to  p = ( 250 92 ) 0.0125 − 1 = 0.0125743  or  1.25743 % .  

This can be graphed as an exponential function  92 × 1.0125743 ( x − 1910 ) , which gives population in a year  y  and this appears as graph{92(1.0125743^(x-1910)) [1900, 2000, 85, 260]}

Step-by-step explanation:

Hope this helps

If x2 = 30. what is the value of x? ​

Answers

Answer:

5.4772255750516 that's if it is x squared

PLS HELP WILL MARK BRAINLIEST, NO FAKE ANSWERS OR WILL BE REPORTED.

Answers

[tex]▪▪▪▪▪▪▪▪▪▪▪▪▪  {\huge\mathfrak{Answer}}▪▪▪▪▪▪▪▪▪▪▪▪▪▪[/tex]

The Correct choice is ~

A. [tex]-{x}^{2}+x+3[/tex]

[tex] \large \boxed{ \mathfrak{Step\:\: By\:\:Step\:\:Explanation}}[/tex]

The solution is in attachment ~

hot pizza have a discount offering 20% discount on all its pizzas
the pizza is reduced to £5.60 what is the original price of the pizza?

Answers

The answer would be 7

v = u + wz, make z the subject​

Answers

V= u + wz
v - u = wz
v - u/w = z
Your answer is
z = v-u/w
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