Mathematics High School

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Answer 1

Answer:

Step-by-step explanation:

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Question 16 (1 point)
(02.06)
Simplify (3 + 2i )(7 - 5i). (1 point)
1) 21 - 10i²
2) 11-i
3) 21 - i - 10i²
4) 31-i

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1

Answer:

Question example:

Answer:

31-i

Step-by-step explanation:

I just took the test and I got it right.

Determine the domain and range for this relationship.
f(x)=72-12x
Domain:
Range:

Answers

Answer:

see below

Step-by-step explanation:

f(x)=72-12x

Domain:

Is the possible values that x can take

This is a line and x can take all values

(-∞,∞) or all real numbers

Range:

Is the possible values the output can take

This is a line and y can take all values

(-∞,∞) or all real numbers

Answer: The domain is 6, and range is 72 I believe.

Step-by-step explanation:

I really hope it helps :0

HELP!!! Please I need this soooooooooooo much

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Answer:

I think the answer is A,C, and D. Sorry if I'm wrong, but if it's right pls mark brainliest.

Choose the equation below that represents the line passing through the point (−2, −3) with a slope of −6

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Answer:

Step-by-step explanation:

A.

y-y1=m(x-x1) is the formula

The functions below represent the amounts of water released from two reservoirs over x weeks: Reservoir A f(x) = x2 – 7x + 5 Reservoir B g(x) = 3x2 – 6x + 2 The function h(x) = f(x) – g(x) represents the difference in the amounts of water released. Determine which statements about h(x) and about the reservoirs are true. Check all that apply.

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Answer:

Step-by-step explanation:

Find the option below:

h(x) = –2x2 – 13x + 6

h(x) = –2x2 – x + 3

Reservoir A releases less water than Reservoir B over 1 week.

Reservoir A releases the same amount of water as Reservoir B over 1 week.

Reservoir A releases more water than Reservoir B over 1 week.

Given the expressions

Reservoir A f(x) = x^2 – 7x + 5

Reservoir B g(x) = 3x^2 – 6x+2

We are to find the f=difference between the functions h(x) = f(x)-g(x)

Substitute

h(x) = x^2 – 7x + 5 -(3x^2 – 6x+2)

h(x) = x^2 – 7x + 5 -3x^2 +6x-2

collect like terms

h(x) = x^2 -3x^2 +6x– 7x+ 5-2

h(x)= -2x^2-x+3

Next is to know the amount of water released by Reservoir A after 1 week. To do that we will substitute x = 1 into h(x)

h(x)= -2x^2-x+3

h(1)= -2(1)^2-1+3

h(1)= -2-1+3

h(x)= -3+3

h(x)= 0

This shows that Reservoir A releases the same amount of water as Reservoir B over 1 week

Answer:

a,c,b

Step-by-step explanation:

i took the test

hii i need help with a geometry problem. the picture is attached. i'll mark you brainliest!!

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Answer:

i would wanna say the first one

Step-by-step explanation:

∆GAS ≅ ∆IOL by rule ASA , SAA

We say that ∆GAS ≅ ∆IOL because m∠G = m∠I , m∠A = m∠L and AS = LO ( which means that these triangles are congruent under the ASA or SAA congruence postulate . )

Therefore ,

∆GAS ≅ ∆ILO by rule ASA , SAA

PLEASE HELP ME ASAP !

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Answer:

1.333333333333333333333333 inches

Step-by-step explanation:

you would do 16 divided by 12. 16 divided by 12 is 1 1/3.

Square ABCD has vertices A(-4.5, 4), B(3.5, 4),C(3.5, -4), and D(-4.5, -4). What is the area of square ABCD?

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Answer:

that answer is b

Step-by-step explanation:

hope this helps

The area of square ABCD would be; 64 unit sq.

What is the distance between two points ( p,q) and (x,y)?

The shortest distance (length of the straight line segment's length connecting both given points) between points ( p,q) and (x,y) is:

D = √[(x-p)² + (y-q)²] units.

Given that Square ABCD has vertices; A(-4.5, 4), B(3.5, 4),C(3.5, -4), and D(-4.5, -4).

To find the distance from two of the vertices of the square. The distance formula is as follows;

√[(x-p)² + (y-q)²]

A(-4.5, 4), B(3.5, 4),

D = √[(x-p)² + (y-q)²]

D = √(3.5-(-4.5))² +(4 -(4))²

D = √(64 + 0)

D = 8

Therefore, the side of the square is 8 units.

The area of the square = side x side

= 8 x 8

= 64 unit sq.

Learn more about distance between two points here:

brainly.com/question/16410393

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HELP please ASAP Hw for math class

Answers

2b-15c/5
I’m pretty sure

plz help me!! Polynomial Long Division (Level 1)

Answers

Answer:

x² + x + 1

Step-by-step explanation:

Which equation represents a line parallel to the line shown on the graph. I need this for a test so pls be quick. Last answer choice is y=-1/3x+12

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The first answer choice should be parallel. This is due to opposite reciprocal slopes being parallel.

How do you calculate (2x-5)^2

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4x^2-20x+25 is your answer

Answer: 4x^2 -20x+25

(2)^2 -2•2x•5+5^2
4x^2 -2•2x•5+5^2
4x^2 -20x+5^2
4x^2 -20x+25

Let f(x) = 12 over the quantity of 4 x + 2 . Find f(−1). (1 point) a −6b −2c 2d 6

Answers

Answer:

f(-1) = -6

Step-by-step explanation:

f(x) = 12 / ( 4x+2)

Let x = -1

f(-1) = 12 / ( 4*-1+2)

= 12 / (-4+2)

= 12 / -2

= -6

whats the mode 40 41 41 44 44 37 38 42 41 39 44 39 37 44 42

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Answer:

Step-by-step explanation:

The mode is the number that appears most of the time, so it is 44.

please help look at screenshots

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Answer:

2nd one is hardest someone help him lol

Read the power and then check all that apply. 34 = 3 × 3 × 3 × 3 A power is a shorter way to write repeated multiplication. The base is 3. The base is 4. The exponent is 3. The exponent is 4. The exponent tells you to multiply the 3 together 4 times. The exponent tells you to multiply the 4 together 3 times.

Answers

Answer:

the right one's are

1,2,5,6

Step-by-step explanation : I hope this helps everyone

Answer:

The Answers our:

Step-by-step explanation:

A: A power is a shorter way to write repeated multiplication.

B: The base is 3

E: The Exponent is 4

F: The exponent tells you to multiply the 3 together 4 times.

what is the product of (-0.5)(-1.2)(-5.22)?

0. -9.8
0. -3.132
0. 3.132
0. 9.8

Answers

Answer:

The answer is B or -3.132

Step-by-step explanation:

You are multiplying 2 negatives and a positive, so it guarantees it will be negative! Hope this helps!

Ms. Darden is selling handmade gloves at the school flea market. It costs her $9 to make one pair of gloves. At the fair she sells the pairs of gloves for $15 each. If she sold 45 pairs of gloves, what was her
total profit?
S: TPIAMTF

Answers

Answer:

270$

Step-by-step explanation:

30 tens – 3 tens 3 tenths

Answers

Answer:

Step-by-step explanation:

30 tens is 30*10=300. 3 tens is 3*10=30 and 3 tenths is 3*0.1. So assuming you mean 30 tens minus 3 tens and 3 tenths, the answer would be 300-30.3 which would equal 269.7

The teacher plans to organize them in such a way that each row has students with the same shirt color and all rows have the same number of students. Find the largest number of students in each row. There are 81 students in green shirts, 54 students in white shirts, and 27 in orange shirts. The

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Answer:

Step-by-step explanation:

Given that:

Green shirt = 81 students

White shirt = 54 students

Orange shirt = 27 students

The largest number of student in each row : we need to obtain the greatest common factor for the three numbers.

Factors of :

81 : 1, 3, 9, 27, 81

54 : 1, 2, 3, 6, 9, 18, 27, 54

27: 1, 3, 9, 27

The greatest factor which is common in all three numbers is 27, hence, the largest number of student in each row should be 27

Directions
Which one of the following describes the best estimate for 15+ 13?

Answers

Answer:

Step-by-step explanation:

15 - 20

13 - 10

20+10=30

each movie rental costs $4.00 but he has a coupon for $1.00 off his total bill. if his total is $15 how many movies did he rent

Answers

Answer:

He rented 4 movies

Step-by-step explanation:

Each movie costs $4 and if he rents 4 it'll be 4x4= $16, you then subtract the $1.00 coupon and get the total of $15

4 cause if you see how many times 4 goes into 15 you get 16 but he has a coupon off one dollar his whole purchase so take 16 then subtract 1

En el rombo la diagonal mayor es la mediatriz de la diagonal menor, ¿verdadero o falso?

Answers

Answer:

Creo que eso es cierto también grandes habilidades españolas

Step-by-step explanation:

What’s 4 divided by 9.1

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Answer:

40/91

Step-by-step explanation:

WILL GIVE BRAINLST FOR WHOEVER ANSWERS FIRST Which of the following equations is equivalent to 6(3p – 2) = 20?
Group of answer choices

9p – 4 = 20

9p – 8 = 20

18p – 12 = 20

18p – 2 = 20

Answers

It would be the 3rd option, because you multiply 6 and 3 and get 18, and then multiply 6 and 2 and get 12 so it would be 18p-12=20

What is the slope of the line?
I NEED HELPP?!

Answers

Answer:

Slope of a line = rise/run

Your answer:

m = 8/5

10 POINTS PLEASE HELP Kamiyama's Kitchen charges $30 per meal and a
membership fee of $150, while Tarlton's Tavern
charges $20 per meal and a membership fee of $300
How many meals will it take for both deals to cost the
same amount of money?

Answers

Answer:

Step-by-step explanation:

I think you should create a table (x,y) and make an equation and that could be a way to figure it out

i need help answering the questions using distributive property. i already know the answers 3. will give brainliest.

Answers

Answer:

Hello

Step-by-step explanation:

by what i understood the awnser should be c

please help ;(
john is j years old. the product of his younger brother’s and older sister’s ages is j^2-2j-15. how old are john’s brother and sister is terms of john’s age?

Answers

Answer:

[tex](j-5)(j+3)[/tex]

Step-by-step explanation:

[tex]j^2-2j-15=(j-5)(j+3)[/tex]

The age of John’s brother is j-5 and the age of John’s sister is j+3.

Given that, John is j years old. The product of his younger brother's and older sister's age is j²-2j-15.

What is an expression?

An expression is a combination of terms that are combined by using mathematical operations such as subtraction, addition, multiplication, and division.

The solution for j²-2j-15 is as follows

j²-2j-15

⇒ j²-5j+3j-15

⇒ j(j-5)+3(j-5)

⇒ (j-5)(j+3)

Therefore, the age of John’s brother is j-5 and the age of John’s sister is j+3.

To learn more about an expression visit;

https://brainly.com/question/28170201.

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5x-2=3x+4
what does x equal

Answers

Answer:

x=3

Step-by-step explanation:

5x-2=3x+4

[tex]5x-2+2=3x+4+2[/tex]

[tex]5x=3x+6[/tex]

[tex]5x-3x=3x+6-3x[/tex]

[tex]2x=6[/tex]

[tex]\frac{2x}{2}=\frac{6}{2}[/tex]

[tex]x=3[/tex]

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An airplane pilot over the Pacific sights a ship wreck at an angle of depression of 5. At this time, the horizontal distance from the airplane to the wreck is 4629 meters. What is the height of the plane to the nearest meter?405 m In Wisconsin the average snowfall was 50 inches for the year while in Illinois the average snowfall was 34 inches write the ratio of snowfall in Wisconsin and Illinois for the year If anyone answers, I love you. Give your own example of a literal equation What is the greatest common factor of 22 and 11? how is lines 330-340 in beowulf relate to chapter 12 of how to read literature like a professor? can someone help with this? Could I get help on this it's due today? What is the best estimate of the mass of a baseball? What category would the Sherman and Clayton Anti-trust Acts go into?anti-trust legislationrailroad regulationconsumer protection legislationconservation reforms Help which one is it HELP ME WITH THIS POETRY QUESTION PLEASEThe Road Not Taken By: Robert Frost Two roads diverged in a yellow wood, And sorry I could not travel both And be one traveler, long I stood And looked down one as far as I could To where it bent in the undergrowth; Then took the other, as just as fair, And having perhaps the better claim, Because it was grassy and wanted wear; Though as for that the passing there Had worn them really about the same, And both that morning equally lay In leaves no step had trodden black. Oh, I kept the first for another day! Yet knowing how way leads on to way, I doubted if I should ever come back. I shall be telling this with a sigh Somewhere ages and ages hence: Two roads diverged in a wood, and I I took the one less traveled by, And that has made all the difference the part i need help with:Write at least one paragraph (5 sentences/ on back of this paper) interpreting the poem. What is the poet saying? Cite a specific line the poem to support your answer. Name the part of the human eye which acts as a protective layer for the eye which snack would be the better option for henry? -2 = ( 4 + z ) / -2I need help answer fast What is bridge of paragraph Factor 2x^3-5x^2-4x+3 In the notation "s(x) = ...," what does "s(X)" represent?.There is not enough information to answer this question.OB.The value of s(x) depends on the value of x, since sis a function of x.O C.The value found when sis multiplied by the value x.D.The value of x depends on the value of s(x), since x is a function of s. Which cube has the highest density? Read the excerpt from chapter 6 of Lizzie Bright and the Buckminster Boy. "May I ask why? Or is this something else that wasn't intended to embarrass the new minister?" "Because I wanted to know if it was true." "If what was true?" "If Lizzie was lying to me. If all she wanted to do was to get me on her side so she wouldn't have to leave the island." Reverend Buckminster sighed. "It doesn't matter if it's true. It matters what people think. It matters that my congregation can tell me what to think when my son goes out to visit a Negro girl on Malaga Island. It doesn't matter at all how she got you out there." "It matters to me," Turner whispered. "Speak up!" Based on the dialogue between Turner and his father, what conclusion can be drawn about Reverend Buckminster? He believes that his son cannot be trusted. He cares greatly about the opinions of others. He feels that Lizzie will be a bad influence. He dislikes everyone living on Malaga Island.

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PHOTO ADDED
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