Solve each system by elimination.
3) -4x+6y=-14
4x – 8y = 16
A) (2, -1)
B) (-1,2)
C) (4,1) D) (2, 1)

Answers

Answer 1

Answer:

M=2/3

m=1/2

Step-by-step explanation:

In mathematics, the slope or gradient of a line is a number that describes both the direction and the steepness of the line.[1] Slope is often denoted by the letter m; there is no clear answer to the question why the letter m is used for slope, but its earliest use in English appears in O'Brien (1844)[2] who wrote the equation of a straight line as "y = mx + b" and it can also be found in Todhunter (1888)[3] who wrote it as "y = mx + c".[4]

Slope is calculated by finding the ratio of the "vertical change" to the "horizontal change" between (any) two distinct points on a line. Sometimes the ratio is expressed as a quotient ("rise over run"), giving the same number for every two distinct points on the same line. A line that is decreasing has a negative "rise". The line may be practical - as set by a road surveyor, or in a diagram that models a road or a roof either as a description or as a plan.

The steepness, incline, or grade of a line is measured by the absolute value of the slope. A slope with a greater absolute value indicates a steeper line. The direction of a line is either increasing, decreasing, horizontal or vertical.


Related Questions

275^2 please answer this question​

Answers

Answer:

75,625

Step-by-step explanation:

PLZZZ I HAVE 10 MINUTES

Answers

Answer:

Option D is correct

Step-by-step explanation:

When a cube with sides numbered 1 through 6 is rolled one time, the possible events are six i.e. getting {1,2,3,4,5,6} , with equal probability for each.

Of these, the events for which we get 4 or greater are {4,5,6} i.e. three events.

Hence probability of getting 4 or greater is

[tex] \frac{3}{6} = \frac{1}{2} [/tex]

Hope it is helpful....

Allen finds the area of the woods to be 6600 square feet. Why is Allen

incorrect?


A: Allen is incorrect because he applied the scale to the sides and then

multiplied the width and the length together.


B: Allen is incorrect because he multiplied the length and the width and then

applied the scale.


C: Allen is incorrect because he did not apply the scale.


D: Allen is incorrect because he used the formula to find perimeter instead of

area.

Answers

Answer: C

Step-by-step explanation:

Whats the answer to this?

Answers

Answer:

option D

Step-by-step explanation:

:)

how many number from 1-100 are divisible by 3 or 4

Answers

12, 24, 36, 48, 60, 72, 84, and 96.

anyone know this equation ????

Answers

Answer:

c (-2,1)

Step-by-step explanation:

use y= and substitute into 2nd equation which will give you x. Then take x value and substitute into first equation which will give you y value and theres your answer    

please help, will mark brainliest :)

Answers

Answer:

The answer to this question is the second choice.

Step-by-step explanation:

What is this?

F(x) = (1/3)^x

Answers

Answer:

top right is the answer

Step-by-step explanation:

The diameter of a circle is 14 ft. Find its area to the nearest tenth.

Answers

Answer:

615.8

Step-by-step explanation:

A=πr2=π·142≈615.75216

Answer:

Solution given:.

diameter=14ft

radius [r]=14/2=7ft

Now

Area of circle =πr²=π×7²=154ft²

help.
step by step please
no links i will report :)

Answers

Answer: 2 1/13

Step-by-step explanation: keep change flip. keep 9/13 and then change, so you multiply 9/13x3/1 which is equal to 27/13 which is 2 1/3

Is algebra.
PLEASE HELP NO LINKS OR FILES.
I don't want links.
I don't want links.
I don't want links.
I don't want links.

Answers

Answer:

(x+9)(x+10)

Step-by-step explanation:

9*10=90

9+10=19

Answer:

(x+9)(x+10)

Step-by-step explanation:

Explanation in Image,

Btw the links are Viruses, DO NOT DOWNLOAD ANYTHING FROM THEM

they are bots going around brainly trying to make people download viruses from them, I hate them too btw, I feel you.

What is the perimeter of the quadrilateral?



13 inches
12 inches
12.3 inches
13.2 inches

Answers

Answer:

12.3 in

Step-by-step explanation:

[tex]P = 4.1 + 2.2 + 3 + 3 = 12.3\ in[/tex]

Last year 500 people attended a concert this year 900 people attended what was the percent increase in attendance from last year to this year

Answers

Answer:

80

Step-by-step explanation:

500 to 900? = 80.

A group of mothers answered yes or no to the survey questions below.

Do you have 3 or more children?

Do you own a minivan?
The same mothers responded to both questions. The results are shown in the first table.

Of the 43 mothers with 3 or more children 26 of them own a minivan.
Complete the two way frequency table to represent the correct mothers for each cell of the table.

Answers

Answer:

To draw a two way table for the own a mini van table as it says 26 own a minivan for people with 3 or more children is subtraction from the given full total 37;

37 - 26 = 11   and  finding two or more children is 51- ?= ?  see below ans 51- 11 = 40 for those that don't own a mini van.

Then its quick addition to find 40+17 = 57

See given answers in question already easy to answer in bold before doing the sums.

                             one or 2 children     |   3 or more children      Total

Do own a mini van                 11                     26                       =       37

Do not own a mini van         40                    17                          =      57

Total                                        51                    43                          =      94      

Use the information below to answer the next 4 questions.

Renee, Susan, and Martha will share the cost to rent a vacation house for a week.

Renee will pay 40% of the cost.
Susan will pay .35 of the cost.
Martha will pay the remainder of the cost.

Answers

Answer:

ok

Step-by-step explanation:

lol

I don’t know I think it’s 26 not sure rlly

Solve: -6 = b/18⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀

Answers

Answer:

b=-108

Step-by-step explanation:

answer:

-108 = b

step-by-step explanation:

-6 = b/18

do the inverse to get the variable by itselfwe will have to multiply 18 to both sides

(X18) -6 = b/18 (X18) — multiplying b/18 and 18 crosses out the 18's

-108 = b

In the year 2000, the population of a city was 600,000 citizens. The population increases at a rate of 1.8% per year.

a. Create and graph a function to model the population, y , (in thousands), x years after 2000.
b. In complete sentences, interpret the relationship between the rate of change of the function and its graph.
c. Predict the population of the city in the year 2012.

In your final answer, be sure to include your model, graph, interpretation, and prediction of the function.​

Answers

Answer:

a) 600,000 (1.018)ᵗ, the graph is below:

* "t" is the years. 2000 is the first year, so "t" would be 1. 2012 is the 12th year so "t" would be 12.

b) As the years go by, the population increases. The years (X), and population (Y) both increase together. The graph shows that when the years increase the population increases.

c) In 2012, which would be 12 years later, I predict the population would be around 743,232 people.

Step-by-step explanation:

MRK ME BRAINLIEST PLZZZZZZZZZZZ

x − 7y = 8 for x. and the choices are
A x = −7y + 8
B x = −7y − 8
C x = 7y − 8
D x = 7y + 8

Answers

C is the correct answer

Devon ends up paying extra 28% in intrest, if the ps5 is 500 how much did he pay in intrest?

Answers

Answer:

780

Step-by-step explanation:

i think sorry if it is wrong

David has a thousand trees.
He wants to plant the trees in rows.
He wants 73 trees in each row.
How many full rows of trees can David plant?

Answers

Answer:

13

Step-by-step explanation:

1000 / 73 = 13.69 , but it asks for full rows so you get rid of the decimal if it can't be round up to a whole number

Answer:

ANSWER:

13

So he can make 13 full rows of 73 trees

and 69 in another row

Which set of side lengths could be used to form a
right triangle?
7.5 in., 18 in., 21.5 in.
7.5 in., 18 in., 19.5 in.
7.5 in., 19.5 in., 21.5 in.
18 in., 19.5 in., 21.5 in.

Answers

All sides of a right triangle are different lengths.

The shortest being the leg in which is opposite to the smallest angle on the standard right triangle (30 degrees). The side with the longest length is always the hypotenuse (point a-c).

Therefore, both answer a and b are eliminated considering two sides of the triangle have equivalent lengths.

Answer: C

You can use the Pythagorean theorem to check your answer (a^2+b^2=c^2)

Ilus
Translate algebraic words to symbols.
Half of R subtracted from y cubed
A. 1/2R - y3
B. y3 - R/2
C. R/2 - 3y
D. 3/y - R/2

Answers

Answer:

        [tex]\bold{B.\quad \ y^3-\dfrac R2}[/tex]

Step-by-step explanation:

"half of R" it is:   [tex]\dfrac R2[/tex]

"y cubed" it is:   [tex]y^3[/tex]

Therefore, half of R subtracted from y cubed is:  [tex]y^3-\dfrac R2[/tex]

;-; i'm stuck again

please help

Answers

Answer:

The answer is 49 squar cm

Step-by-step explanation:

7x7=49

Andrea is selling scooters. This equation shows how Andrea's revenue () depends on the number of scooters sold (x). y = 4x How much revenue does Andrea get for each scooter?​

Answers

Answer:

Andrea get for each scooter?​

Step-by-step explanation:

Hi guys I need help with these questions help assap what y’all think is the answer there are two different questions it shows I clicked a answer but I haven’t surely think what is the answer plz help :0

Answers

Answer:

[tex]your \: answers \: are \: correct[/tex]

Acute Angle - An angle less than 90 degrees.

Right Angle - An angle that is exactly 90 degrees.

Obtuse Angle - An angle more than 90 degrees and less than 180 degrees.

Straight Angle - An angle that is exactly 180 degrees

full angle =360

Max surveyed 100 of the 200 7th graders that attend his school to help determine new lunch choices in the lunch room. He has come up with these findings.

Answers

Which statement is supported by the information in his graphs?

A

It can be inferred that on the days that students are offered pizza and salad, 70% of students are pleased with the offerings.

B

It can be inferred that about the same number of students get a salad as the number of students that like cheeseburgers and tacos combined.

C

It can be inferred that pizza and chicken nuggets should be the only meals offered in the cafeteria to please the most students each day.

D

It can be inferred that if the lunchroom offered cheeseburgers and tacos on the same day, every student would get a tray that day.

Answer:

It can be inferred that pizza and chicken nuggets should be the only meals offered in the cafeteria to please the most students each day.

Step-by-step explanation:

From barchart, we can observe that ; the both pizza and chicken nugget have the highest number of 7th grade students who prefer them. Hence, with these numbers, most students will be pleased if these are the food options served each day.

Drag each question to the correct location on the table.
Classify the questions as statistical or not statistical.

Answers

The answer:-Statistical

Will give brainlist!!

Answers

Answer:

D because if we see the graph the 6 grades has alot of variety, well more than the 8 grades

The lowest elevation in Nevada is about 65
meters below sea level. The lowest elevation in
Florida is about 2/5the value of the lowest
elevation in Nevada. Which value best represents
the lowest elevation, in meters, in Florida?

Answers

Answer:

-26 meters

Step-by-step explanation:

first do 65/5 because it is asking how much less  florida´s elevation is than nevada´s. and because it is a fraction you do it divided by 5.

65/5=13

so now because the fraction was 2/5 do 13+13

you get 26. so florida´s lowest point is -26 meters.

pls help me I will make u an brainest

Gaussville’s soccer team won 40% of their first 40 games. They went on to win
n games in a row. At this point, they had won 50% of the total games they had
played. What is the value of n?

(A) 4 (B) 10 (C) 12 (D) 8 (E) 9

Answers

Answer:

D) 8

Step-by-step explanation:

A is 45% win rate - incorrect

B is 52% win rate - incorrect

C is 54% win rate - inncorrect

D is 50% win rate - correct

E) is 51 win rate - incorrect

The value of N is 8.

Since Gaussville's soccer team won 40% of their first 40 games, and then they went on to win N games in a row, and at this point, they had won 50% of the total games they had played, to determine what is the value of N the following calculation must be performed:

40 x 0.4 = 16  40 + 4 /// 16 + 4 = 44 /// 20 40 + 10 /// 16 + 10 = 50 /// 26 40 + 8 /// 16 + 8 = 48 /// 24

Therefore, the value of N is 8.

Learn more in https://brainly.com/question/18296528

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is it good crazy houseMay: 19 1966. bye mom i'm going to the party ok greg but don't go near that house you know the house. Ya ya there's a haunted house in those woods and if you go in you will never come out. It has been haunted by the previous owner who died. That house has been haunted since 1956. That house has been abandoned since. I reached the woods and there were a bunch of signs reading stay out stay away don't take the risk I walked right by those signs. But then I feel uneasy. I start to hear whispers saying get out get out get out I start running and the voices are getting louder GeT OuT!! GeT OuT!! I slip and start rolling down a cliff and bang!! I hit my head on a rock and I blacked out. I see bright lights. It was comfy but wait whose house is this I just see blur but I can read cra- crazy hou- house no I wipe my eyes and I read it again crazy house OH NO NO NO NO this is the haunted house my mom was talking about. I saw a super fast blueish greenish light fly by me. I was hungry but all I saw in the house's fridge was a bunch of wooden bull heads. And all over the wall was a bunch of newspapers and posters saying missing kid missing person they were all lastseen in these woods. Ohh wait what is that poster!! It has my name on it I quickly read it says missing kid greg caldwell so I tear it up and I look every around the room and a bunch of my posters are up I start running up the spiral flight of stairs im running up the stairs but it feels like i'm not even going up I have been running up for 10 minutes strait. And it all still looks the same. It's like I'm in one of those carnival mazes where you feel you're at the end but youre right where you started. I went back downstairs to use the phone and I dialled 911 but all I got was a bunch of static and a fainted voice which said get out of my house'' and the voice got louder. Get out, get out!! That voice I heard in the woods, I ripped that phone from the wall and all the voices stopped But 1 minute later I heard you come to my house and rip my posters, step on my stars, sleep in my house and rip my phone from my house. and I hear some strange noises coming from the hall. I check on the hall and I see this pale 10ft super skinny man. He was as skinny as a skeleton. This thing said it again you come to my house and rip my posters, step on my stars, sleep in my house and rip my phone off the wall GEEET OUT!! Now he starts to chase me and he tackles me and he says you will pay he opens his mouth he had teeth like a shark he probably had 1 million of them. Then boom we both hear an old guy screaming and starts attacking the monster and says run!! Greg So I ran off behind the coach and watched him fight. He kills the monster and the monster says you will pay in a fainted voice. I was hiding behind the couch and I am thinking how did he know my name greg how!! He steps up to me covered with green slime from the monster and says get up son it's all over you're okay wh- who are you and how do you know my name kid stop talking and get up ok I got up and he says follow me. He take me to this secret room with a bunch of cameras and monitors he told me how did you get here young man I tell him everything and I say my name is greg how do you know that I saw the posters oh right well do you know how to get out of here yes but its very complicated its like a maze. I have been studying this place for 70 years since I was 19. I now know this place is like it's my own house wow!! Ok can you show me the exit please sure but you have to pay I got money no I want your belt what! why trust me we will need it ok but only if I can get out of here. hey do we need a key oh ya thanks for reminding me he grabbed a key out of the monsters stomach and his hand I covered with slime ok all we need to do to get to the exit is walk down the stairs open this door and the exit is right ahead. ok are you coming ya i'm just putting something on the house oh and take this this is my poster of me missing ya watch it. We walked out of the house and the thing he put in the house was a bomb he set it off and BAAM!! It exploded. He says look at the poster I look at it and it starts to say Greg Caldwell, hero destroying the crazy house, how did you make that bomb? From your belt son told ya we needed it. I went homeand my mother ran up to me and started hugging me thank you son now no more missing kids thank you. 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