(5 - 2i) + (-4 + 81)
O A. 5i
B. 7i
O c. 1-6
D. 1 + 6

Answers

Answer 1

Answer:

82 - 2i

Step-by-step explanation:

(5 - 2i) + (-4 + 81)

5 - 2i + 77

= 82 - 2i

Answer 2

1 + 6i

we open the brackets to give us

5 - 2i - 4 + 8i

collecting like terms, we have,

-2i + 8i + 5 - 4

6i + 1

or

1 + 6i


Related Questions

A new movie theater holds 350 people with 14 seats in every row. Use division to find how many rows are there in the theater.

Answers

Answer:

25 rows

Step-by-step explanation:

Because if you divide 350 by 14 it gives you 25

Answer:

25

Step-by-step explanation:

350÷ 14 = 25.........

What expressions are equivalent to 12+84

Answers

Answer:

Any expression that sums up to 96 is equivalent to 12+84.

Step-by-step explanation:

Since, you haven't provided any options.

12+84=96

Any expression that sums up to 96 is equivalent to 12+84.

is a set of numbers a subset of a set of numbers in words ex. A = {one, three} B = {1,2,3,4,5...} A is a subset of B. True or False?

Answers

Answer:

true

Step-by-step explanation:

it is because 1 and 3 in set A are in sat B

Which absolute value function is equivalent to the piecewise function shown ?
A)
f(x) = |x| - 3
B)
f(x) = |x-3|
C)
f(x) = |x|+3
D)
f(x) = |x+ 3|

Answers

Answer:

I dont get what u are asking but i think it is 2X

Step-by-step explanation:

2X

please helppppppppppppppppp

Answers

Answer:

seventeen plus twelve minus thirty

Step-by-step explanation:

17 + 12 - 30 = -1

Find the x-intercept and y-intercept of the line. 7x+5y=-15

Answers

Answer:

The x-intercept is (-2 1/7, 0).

The y-intercept is (0, -3).

Step-by-step explanation:

To find the y-intercept, substitute x with zero.

To find the x-intercept, substitute y with zero.

Finding the y-intercept by substituting x with zero:

7*0 + 5y = -15

5y = -15

y = -3

The y-intercept is (0, -3).

Finding the x-intercept by substituting y with zero:

7x + 5*0 = -15

7x = -15

x = -15/7

x = -2 1/7

The x-intercept is (-2 1/7, 0).

To the nearest whole number, what is the distance
between the points M(-5, 7) and L( 9, 12)?

Answers

Answer:

point m is -5;7 but point l is 9;12

Step-by-step explanation:

m there is negative but l is positive

Find the product of 6.35 x 5.2.

Answers

Answer:

33.02

Step-by-step explanation:

The figure shows a utility pole with an electrical line and a telephone line.
The angled wire is a tension wire.

Complete the table: for each angle pair given, identify the transversal and classify the angle pair. (Hint: Think of the utility pole as a line for these problems.)

Note: I’ll give you a lot of points for this

Answers

Answer:

Step-by-step explanation:

What is the value of the 3 in the number 2.703?​

Answers

Given number is 2.703.

Its a decimal number

Hence three is not the hundredth place holder.

3 is decimal 1/thousand place holder.

See below

[tex]\\ \sf\longmapsto 3\times \dfrac{1}{1000}[/tex]

Jaylen is picking berries. The number of blueberries he picks is 4 less than half the number of strawberries he picks. If Jaylen picks x strawberries, select the expression that represents the number of blueberries he picks.

A. 2x + 4

B. x/4 +2

C. x/2 - 4

D. x/2 +4​

Answers

The answer is:
C. x/2-4

Hope this helps!!

The expression that represents the number of blueberries he picks would be; 1/2x - 4

What is an expression?

Expression in maths is defined as the collection of numbers variables and functions by using signs like addition, subtraction, multiplication, and division.

Given that  the number of blueberries he picks is 4 less than half the number of strawberries he picks.

4 less than half the number of strawberries means;

1/2x - 4

If Jaylen picks x strawberries, then the expression that represents the number of blueberries he picks would be;

1/2x - 4

The correct option is C.

To know more about an expression follow;

brainly.com/question/19876186

#SPJ2

IF YOU ANSWER CORRECTLY ILL GIVE BRAINLIEST!!

What number makes the following equation true? -3/4 × -3/8 × □= -3/4

A. -5/4
B. -8/3
C. 8/3
D. 5/4

Answers

Let the number be x

[tex]\\ \sf\longmapsto \dfrac{-3}{4}\times\dfrac{-3}{8}x=\dfrac{-3}{4}[/tex]

[tex]\\ \sf\longmapsto \dfrac{-3}{8}x=1[/tex]

[tex]\\ \sf\longmapsto x=\dfrac{-8}{3}[/tex]

Describe the domain and range of this function

Domain:

Range:

Find the following values:

f(18)=
f(5)=
f(17)=

NO LINKS/NO ASSESSMENTS!!! ​

Answers

Answer:

According the graph we have:

Domain: set of input values [0, 26]Range: set of output values [0, 20]f(18) = 16f(5) = 2f(17) = 14

HELP PLEASE I NEED HELPPPP!!!!!!!!!!

Answers

two triangles is equal to 12 ft squared

the area of rectangles is equal to 8 ft x 6 ft which will give you 48 feet squared

you add them together to get the total area and you will get 84 feet sqaured

plsssssssssssssss helpppppppppppppppppppppppppppppppppp

Answers

Answer:

96cm^2

Step-by-step explanation:

A=L×w

A=8×12

A= 96

During hockey practice, Jason skates 180 yards in 20 seconds.


Based on his average speed, approximately how many yards will he skate in the next 15 seconds?whoever answers first will be marked the brainliest

Answers

The approximate yards Jason will skate in the next 15 seconds is 135 yards

Given that :

Number of yards skate in 20 seconds = 180 yards

The rate per second cannbe calculated thus :

Rate = distance / time Rate = 180 / 20 = 9 yards per second

The distance skate in 15 seconds will be:

Distance = time × rate

Distance = 15 × 9 = 135 yards

Therefore, Jason will skate 135 yards in the next 15 seconds.

Learn more :https://brainly.com/question/18904995

What is the sum of the first 50 terms in the sequence 4,-4,4,-4,4...?​

Answers

Answer:

0

Step-by-step explanation:

If there is an even number of 4 and -4s. They should all cancel each other out and equal 0.

Please help me ASAP

Answers

I would say answer choice 1. It’s the only one that makes sense.

I hope this helps! Let me know if you have any questions! Good luck on the rest of your assessment!

Mark this as Brainliest if you get a chance:)

chloe and her dog bingo walk 2/3 of a mile in 1/6 of an hour at this rate how far can they walk per hour

Answers

Answer:

2 miles

Step-by-step explanation:

In one hour, close and her dog can walk a total of 2 miles

Answer:

4

Step-by-step explanation:

2/3 x 6

2x2=4

who ruled china in 150 bce

Answers

The Qing I am 98% sure this is right

Answer:

Heliul are proprietăți chimice atât de diferite de cele ale celorlalte elemente încât nu poate fi plasat în niciun grup.

Step-by-step explanation:

what is the midpoint between (-1, 1) and (5, -5)

Answers

The midpoint is (2,-2)

If I need to use 4/5 of a cup of strawberries for a single pie. How many cups are needed for 2 pie?

Answers

4/5 x 2= 8/5
Which is 1 3/5 cups needed for 2 pies
You will need exactly 1 3/5 cups of strawberries

hyun is on a game show. points are added for the correct answer and subtracted for incorrect answers. at the end of the second round he has five points and the third round he loses 5 points how many points does hyun have after the third round ?show your work​

Answers

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

The number of points at the end of second round is :

5 points

and if he loses all the 5 five points in the third round then the number of point he is left with is :

5 - 5

0 points

Which of the following graphs represents a function? Choose all that apply.

Answers

the one with the vertical parabola and the one with the straight line

Hi! ❤️ Pls help here thanksThe figure shows two parallel lines cut by a transversal.

What is the value of x?

x =

Answers

Answer:

x = 33

Step-by-step explanation:

Note that there are two parallel lines cut by a transversal (given).

The two angles given are corresponding angles, meaning that there measurements will be the same. Set the equation:

124 = 4x - 8

Isolate the variable, x. Note the equal sign, what you do to one side, you do to the other. Do the opposite of PEMDAS.

PEMDAS is the order of operation, and stands for:

Parenthesis

Exponents (& Roots)

Multiplication

Division

Addition

Subtraction

~

First, add 8 to both sides of the equation:

124 = 4x - 8

124 (+8) = 4x - 8 (+8)

124 + 8 = 4x

132 = 4x

Next, divide 4 from both sides of the equation:

(132)/4 = (4x)/4

x = 132/4

x = 33

33 is your answer.

~

94. Birth Rate of Unmarried Women In the United States, the birth rate B of unmarried women (births per 1000 unmarried women) for women whose age is a is modeled by the function B(a) = -0.33a + 19.17a-213.37. (a) What is the age of unmarried women with the highest birth rate? 29.0 years (b) What is the highest birth rate of unmarried women? (e) Evaluate and interpret B(40).

Answers

Using concepts of quadratic equation, we have that:

a) The age of unmarried women with the highest birth rate 29 years.

b) The highest birth rate of unmarried women is of 65 births per 1000 unmarried women.

c) B(40) = 25.43, which means that the birth rate of unmarried women of age 40 is of 25.43 births per 1000 unmarried women.

The birth-rate for women of age a is given by:

[tex]B(a) = -0.33a^2 + 19.17a - 213.37[/tex]

Which is a quadratic equation with coefficients [tex]a = -0.33, b = 19.17, c = -213.37[/tex]

Item a:

The age with the highest value is the a-value for the vertex, which is:

[tex]a_V = -\frac{b}{2a} = -\frac{19.17}{2(-0.33)} = 29[/tex]

The age of unmarried women with the highest birth rate 29 years.

Item b:

The rate is B(29), which is:

[tex]B(29) = -0.33(29)^2 + 19.17(29) - 213.37 = 65[/tex]

The highest birth rate of unmarried women is of 65 births per 1000 unmarried women.

Item c:

[tex]B(40) = -0.33(40)^2 + 19.17(40) - 213.37 = 25.43[/tex]

B(40) = 25.43, which means that the birth rate of unmarried women of age 40 is of 25.43 births per 1000 unmarried women.

A similar problem is given at https://brainly.com/question/24626341


Donald is thinking of buying a car but is looking at the annual running costs before he makes a purchase
These are his costs before adding on petrol and maintenance

Cost(£)
Tax - 110
Insurance - 360
Breakdown - 50

What fraction of these costs is his insurance?
3/4
9/13
1/7
5/6

Answers

Answer:

Step-by-step explanation:

Help please!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Answers

A is the correct answer.

Answer:

A. I believe

Step-by-step explanation:

Solve the given equation: 49 = 7^(x+1) *

Answers

Answer:

x = 1

Step-by-step explanation:

49=7^x+1

Let's take the log of both sides

(x+1)*(log(7))=log(49)

x + 1  = log (49) / log (7)

x + 1 = 2

subtract 1 from both sides

x = 1

PLEASE HELP PLEAAE HURRY ANS NO LINKS PLEASE I REALLY NEED THE ANSWER

Answers

Answer:

3(x+15) is the answer

Step-by-step explanation:

The equation x+15 repeats 3 times so you would have to create an equation to multiply x+15 3 times.

3x+15 is wrong because its only multiplying x by 3 and ignoring 15

x+45 is wrong because it is only multiplying 15 by 3 and ignoring x

x+15 is wrong because it is not multiplied by 3

3(x+15) is correct because it is the only answer that multiples 3 with both terms

Hope this helps

Answer:

Lets say that x is the number 5,

Step-by-step explanation:

5 divided by 15 = 0.33333333333

5 divided by 0.33333333333 = 15

5 + 15 + 5 + 15 + 5 + 15=60

(I know im all over the place with this, but this is just what i do)

60 - 15 = 45

15 + 45 = 60  

I know this is random but maybe you may figure it out or get a random hint??, 3(x+15) is 3x + 45

PRETTY SURE ITS 3(x+15) Please give me brainliest i sat here for like 24 mins trying to figure this out :(

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