Consider the numbers z= 2 + 5i, w = -3- 2i, and u=-1+2i.
z+w is equal to -1+vi
w-u is equal to - 4i
u + w is equal to -4 -

Answers

Answer 1

Answer:

3, 2, 0

Step-by-step explanation:

trust me

Consider The Numbers Z= 2 + 5i, W = -3- 2i, And U=-1+2i.z+w Is Equal To -1+viw-u Is Equal To - 4iu +
Answer 2

The resultant value of vectors are:

1. z + w = -1 + 3i.

2. w - u= -4 - 4i

3. u + w = -4.

Given:

z = 2 + 5i

w = -3 - 2i

u = -1 + 2i

1. z + w:

Adding the real and imaginary parts separately gives

(2 + 5i) + (-3 - 2i) = (2 - 3) + (5 - 2)i

                          = -1 + 3i

Therefore, z + w is equal to -1 + 3i.

2. w - u:

Subtracting the real and imaginary parts separately gives

(-3 - 2i) - (-1 + 2i) = (-3 + 1) + (-2 - 2)i

                          = -4 - 4i

Therefore, w - u is equal to -4 - 4i.

3. u + w:

Adding the real and imaginary parts separately gives

(-1 + 2i) + (-3 - 2i) = (-1 - 3) + (2 - 2)i

                           = -4

Therefore, u + w is equal to -4.

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Related Questions

For the image above, which action below allows the scale to be balanced?

Add 3 blocks to the right side.
Add 4 blocks to the right side.
Take away 3 blocks from the left side.
Take away 5 blocks from the left side.

Answers

Answer:

B is correct

Step-by-step explanation:

I took the flvs test

The action to make both side balanced

Take away 5 blocks from the left side.

What is Balanced?

In science, if an object is still, we say it is balanced. An object is in an equilibrium state when it is balanced. Any forces acting on the object are counterbalanced by forces moving the other way. The average location of the gravitational pull on an object is known as the centre of gravity.

We have the figure.

On right side there are total 8 weights.

and, on left there are total 3 weights.

So, the difference of blocks on

= 8- 3

= 5 blocks

So, take away 5 blocks from left.

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What single percentage change is equivalent to a 11% increase followed by a 15% increase?​

Answers

Answer:

It's a total increase by 27,65%

Step-by-step explanation:

1,11 × 1,15 = 1,2765

1,2765 = +27,65%

solve for x
solve for x
solve for x

Answers

Answer:

x = 95

Step-by-step explanation:

(2x - 60)° = (x + 35)° (corresponding angles are congruent)

2x - 60 = x + 35

2x - 60 - x = x + 35 - x

x - 60 = 35

x - 60 + 60 = 35 + 60

x = 95

Answer:

x = 95

Step-by-step explanation:

Jude graphed the inequality s < -9,="" as="" shown.="">

A number line going from negative 12 to negative 4. A closed circle is at negative 9. Everything to the left of the circle is shaded.

Is his graph correct? Explain why or why not.

Answers

Answer:

Step-by-step explanation:

What does  ="as="shown.=">  mean?

No, his graph of s<-9 is incorrect. There should be an open circle at -9.

Answer:

sample response I would suggest rewording it

Step-by-step explanation:

No, Jude’s graph is incorrect. The inequality symbol is “less than,” so -9 is not included. He should have used an open circle on -9.

Billy has a set of wooden boards. Each board is 0.6 meters long. If Billy lays 4 boards end-to-end, how many meters long will the line of boards be?

Answers

Answer:

2. 4 meters long

Step-by-step explanation:

0. 6 times 4 equals 2. 4

please help me please i really need help please

Answers

It is the last choice. 4 teams with a total of 24 players

Answer:

There are a total of 24 players and 4 teams.

Please let me have brainliest :)

For the geometric sequence, find the sum of the specified number of terms.
The first 8 terms of 4, -12, 36, ...
S8=

Answers

Given:

The geometric sequence is

[tex]4, -12, 36,...[/tex]

To find:

The sum of first 8 terms of the given geometric sequence.

Solution:

We have,

[tex]4, -12, 36,...[/tex]

Here, the first term is 4 and the common ratio is

[tex]r=\dfrac{-12}{4}[/tex]

[tex]r=-3[/tex]

The sum of first n terms of a geometric sequence is

[tex]S_n=\dfrac{a(r^n-1)}{r-1}[/tex]

Where, a is the first term and r is the common ratio.

Putting n=8, a=4 and r=-3, we get

[tex]S_8=\dfrac{4((-3)^8-1)}{-3-1}[/tex]

[tex]S_8=\dfrac{4(6561-1)}{-4}[/tex]

[tex]S_8=-6560[/tex]

Therefore, the sum of first 8 terms is -6560.

Evaluate the expression when x=4 and y+-6.

x-5y

Answers

Answer:-26

Step-by-step explanation:

Simplify each expression. (10x3y2/5x-3y4)-3 x=0 y=0

Answers

If both x and y are 0, the expression will be undefined since both top and bottom will be 0. Any expression divided by 0 is undefined.

Answer:

D

Step-by-step explanation:

Help me with my math **50 pts*** I mark brainliest**

Answers

Answer:

Sure. Now what do you need help on? Please post the question.

Step-by-step explanation:

Factor this polynomial completely 6x^4-30x³-84x²

Answers

Step-by-step explanation:

Given

6x^4 - 30x³ - 84x²

= 6x² ( x² - 5x - 14 )

= 6x² ( x² - ( 7 - 2 ) x - 14 )

= 6x² ( x² - 7x + 2x - 14 )

= 6x² {x(x - 7) + 2 ( x - 7)}

= 6x² ( x - 7) (x +2 )

Hope it will help :)

Answer: 6x² ( x - 7) (x +2 )

Step-by-step explanation:

-5y < -15 Help Me Please​

Answers

Answer:

y>3

Step-by-step explanation:

-5y<-15

-5/-5<-15/-5

y>3

y can equal anything more than 4. the products value has to be greater than 15, but it has to be on the negatives

A kingfish needs to be cut into 8-ounce pieces. If the fish weights 12.5 pounds, how many pieces can be cut? 1 pound=16 ounces

Answers

Answer:

25 pieces

Step-by-step explanation:

12.5 * 16= 200 ounces

therefore 200/8=25

What is the greatest common factor (GCF) of 24 and 42?

Answers

Answer:

6

Step-by-step explanation:

Geometry Help!
Please only answer if you know the answer. Look at the image below to answer the question.

Be sure to show all of your work and explain your thinking.

I posted 3 of these, so if you understand it, please go and check them out.

If you do not know the answer use the comment section, don't answer my question with a comment. Thanks, Good Luck!

Answers

Answer:

x = 88.76°

Step-by-step explanation:

Use the law of cosines:

cos C = (a² + b² - c²)/(2ab)

Apply to the given triangle and solve for x:

cos x = (52² + 48² - 70²)/(2*52*48)cos x = 108/4992cos x = 0.02163461538x = arccos 0.02163461538x = 88.76°

Which expressions are equivalent to 7(-3/4x-3)? Select two options.

Answers

Answer:

7(-3/4x-3) is the same as

7(-3/4x)-7(3) and

-5 1/4x-21

Step-by-step explanation:

Answer:

A and D

Step-by-step explanation:

got 100 on the quiz

4. Use the two patterns below. What are the first four ordered pairs formed from
corresponding terms of the two patterns? *
Add 4: 0, 4, 8,
Add 2: 0, 2, 4,

Answers

Answer:

0,2,4,8

Step-by-step explanation:

:)

Triangle XYZ with vertices X (1,-2) Y (3,-5) and Z (4,1) translated 5 units left and 3 units up

Answers

Answer:

x= (4,-7)

y= (6,-10)

z= (7,-4)

Step-by-step explanation:

Use the table to answer the question below.
.
0
2
1
8
2.
32
3
128
4
512
Which of these best represents the function shown in the table?
f(x) = 2(4*)
0
f(x) = x + 2
f(x) = 6x + 2
f(x) = x5

Answers

Answer:

c: f(x) = 2(4^x)

Step-by-step explanation:

the table shows that the function is exponential rather than linear.

The best that represents the function shown in the table;

c: f(x) = 2(4^x)

What is a function?

Function is a type of relation, or rule, that maps one input to specific single output.

In mathematics, a function is an expression, rule, or law that describes the relationship between one variable (the independent variable) and another variable. In mathematics and the physical sciences, functions are indispensable for formulating physical.

Thus, the table shows that the function is exponential rather than linear.

We are given the table through which we have to make a function.

The function becomes as;

[tex]f(x) = 2(4^x)[/tex]

This function shows exponential rather than linear.

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Please help nobody is helping so far please help

Answers

The surface area is 516 square feet

Answer: 152ft square

Hope this helps!

(5 + 7) = x
In word form

Answers

Answer:

Five plus seven equals x

Step-by-step explanation:

Answer:

Five plus seven equals x

Step-by-step explanation:

what is x? (WILL GIVE BRAINLIEST) ​

Answers

Answer:

5

Step-by-step explanation:

Answer:

x = 5

Step-by-step explanation:

These are vertical angles, so both equal 51 degrees. To solve for x, solve the equation (9x + 6) = 51. 51 - 6 is 45. 45 divided by 9 is 5. So x = 5.

Hope it helps!

If the quadratic parent function is reflected in the y-axis and vertically compressed by a factor of 1⁄2, write an equation to represent the new function.

Answers

Answer:

h(x) = 1/2f(-x)

Step-by-step explanation:

Let the parent function be:

f(x)

Reflection over y-axis:

g(x) → f(-x)

Vertical compression by a factor of 1/2:

h(x) → 1/2g(x)

Final function in terms of parent function:

h(x) = 1/2f(-x)

The amusement park won’t allow kids to ride roller coasters until they are a minimum of 48 inches tall. Michael is now 42 inches tall, and grows about 1/2 inches every month. How many months will it be until Michael can ride a roller coaster? (Solve with inequalities and solve for x)

Answers

42+1/2x=48

1/2x=6

x=6*2

x=12

12 months or a year until he could ride a roller coaster.

Question 10
Five numbers are described below.
Drag the values described into the correct order from LEAST to GREATEST. Use the number line as needed to help you order the values.

Answers

Answer:

the opposite of the opposite of -9, the opposite of 6, the opposite of 4, the opposite of 0, the opposite of the opposite of 7

Explanation:

the opposite of 4 = -4

the opposite of the opposite of -9 = -9

the opposite of 6 = -6

the opposite of the opposite of 7 = 7

the opposite of 0 = 0

Then you just put them in order.

Hope this helps!

-4 > -2n
What could n be??

Answers

Answer:

Isolate the variable by dividing each side by factors that don't contain the variable.

Inequality Form:

n>2

Interval Notation:

(2,∞)

What is the inequality shown?

Answers

This type of graph is called a segment.

To write the solution set which represents the graph

of a segment, read the segment from left to right.

If you take a look at the segment shown here, we would start with the endpoint on the left which is a -4, our variable x would be in the middle, and we would finish things off with the endpoint on the right, which is 5.

Since we have an open dot at -4, we use a less than sign between the -4 and the x and since we have a closed dot at 5, we use a less tan or equal to sign between the x and the 5.

It's important to understand that when representing a segment by reading it from left to right, you will only use "less than" or "less than or equal to" between the parts, never "greater than" or "greater than or equal to."

So the solution for this graph is read {x: -4 < x ≤ 5}.

Would y^10/y^10 become 1?

Answers

Answer:

yes

Step-by-step explanation:

If you are dividing it will become 1 because 10 minus 10 equals 0. Anything to the power of 0 is 1 then you keep the base which is y so the answer is y

If you are multipling the answer will be y^10  because 10 plus 10 is 20 and you keep the base which is y

URGENT NEED ANSWERS •_•

Answers

9. 130 = x + 137
answer x = -7

10. 9x-3 = 4 + 8x
9x = 7 + 8x
answer x = 7

1 hr=3.6 ×10^3 seconds
1 day =24 hrs
1 year =3.65 ×10^2days
use scientific notation to calculate the number of seconds in 3 days​

Answers

Answer:

1 Year = 8.76 x 10³ Hours

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