3x -2y = -6 and y = x+5

Answers

Answer 1

Answer:

x = 4, y = 9.

Step-by-step explanation:

3x -2y = -6 and y = x+5

Substitute y = x + 5 in the first equation:

3x - 2(x + 5) = -6

3x - 2x - 10 = -6

x = -6 + 10

x = 4

So y = 4 + 5 = 9.


Related Questions

Which is the right answer and why did you pick that answer?

Answers

Answer:

Linear relationship with negative slope

Step-by-step explanation:

This is a linear a linear relationship because most of the points are plotted in a line

It has a negative slope because it goes downwards from left to right which indicates that it has a negative slope

Answer:

B)

Step-by-step explanation:

The scatterplot makes a linear line starting in the top left and ending in the bottom right, meaning this slope is negative.

The graph of f(x) = 1/x has been transformed to create the graph of g(x) = a/x

What is the value of a?
2
-3
3
-2

Answers

Answer:

2/x

Step-by-step explanation:

The easy way:

take point (2,1) on graph g

subst the values into g(x)=a/x

1=a/2

a=2

thus -> 2/x

The value of a is 2 for the transformed function g(x) = a/x.

What is a graph?

A graph is the representation of the data on the vertical and horizontal coordinates so we can see the trend of the data.

The value of a is calculated as,

Take point (2,1) on graph g and substitute the values into g(x)=a/x

1=a/2

a=2

Therefore, the value of a is 2 for the transformed function g(x) = a/x.

To know more about graphs follow

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What is 3(4r-2)+8x+ 18 equal

Answers

Answer:

12r+8x+12

Step-by-step explanation:

3(4r-2)+8x+18

12r-6+8x+18

12r+8x-6+18

12r+8x+12

Solve the following system of equations:
4x + 3y = 17
3x + 2y = 13

Answers

ANSWER:

(x,y) = (5,-1)

Answer:

(5, -1)

Step-by-step explanation:

Solve the system of equations by elimination.

4x + 3y = 17

3x + 2y = 13

Multiply the top equation by -3 and the bottom equation by 4:

-12x - 9y = -51

12x + 8y = 52

Add these together:

-y = 1

y = -1

Plug in -1 as y into one of the equations, and solve for x:

4x + 3y = 17

4x + 3(-1) = 17

4x - 3 = 17

4x = 20

x = 5

So, the solution is (5, -1)

. (cont.) Now, explain how you determined the answer.

Answers

~Stay Safe, I Guess ^-^

Step-by-step explanation:

tttttttttttttttttttttttttttt

what is 18 out of 65%​

Answers

Answer:

11.7

Step-by-step explanation:

Plz help me with this 1 question???

Answers

Answer:

-13

Step-by-step explanation:

Well, they do most of the work for you all you have to figure out is what is "1/5(-65)". To do this you have to turn 1/5 into a decimal so 1 divided by 5 which equals 0.2 then multiply that by -65. That will give you your simplified answer of -13.

Can someone help me quickly?
Jamila has a recipe for biscuits.
To make 12 biscuits
250 g oats
125 g butter
100 g sugar
2 tablespoons syrup
Jamila makes 36 biscuits.
Wok out how much butter she needs.​

Answers

Answer:

Jamila need's 375g of butter

Step-by-step explanation:

12 biscuits , but she wants to make 36,

12x3 = 36 so times to rest of the ingredients by 3

250x3=750g Oats

125x3=375g Butter

100x3=300g Sugar

2x3= 6 tablespoons of syrup

Jamila needs 375 g of butter to make 36 biscuits.

What is an expression?

An expression contains one or more terms with addition, subtraction, multiplication, and division.

We always combine the like terms in an expression when we simplify.

We also keep all the like terms on one side of the expression if we are dealing with two sides of an expression.

Example:

1 + 3x + 4y = 7 is an expression.com

3 + 4 is an expression.

2 x 4 + 6 x 7 – 9 is an expression.

33 + 77 – 88 is an expression.

We have,

If the recipe makes 12 biscuits and Jamila wants to make 36 biscuits, she needs to triple the recipe.

To triple the amount of butter, we can multiply 125 g by 3:

125 g x 3 = 375 g

Therefore,

Jamila needs 375 g of butter to make 36 biscuits.

Learn more about expressions here:

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Which statement is not true about the data shown by the box plot below?

a.
The median of the upper half of the data is 66.

b. The data point 30 is the smallest element of the data.

C.The median of the data is 58.

d. The interquartile range is 26.

Answers

Answer:

a

Step-by-step explanation:

12. The base angles of an isosceles triangle are represented by (5x + 10) and 50°. Find x. ​

Answers

Answer:

x = 8

Step-by-step explanation:

Base angles of isoceles triangle are equal

5x + 10 = 50

5x = 40

x = 8

If the sum of two numbers is 67, and there difference is 33. The largest number is what?

Answers

34 is the answer because 67-33=34

write the product form of 3 a² b ³

Answers

Answer:

a³-b³= (a-b)(a²+ab+ b²)

Step-by-step explanation:

annual sales for a company are $149,999 and are increasing at a rate of 6% per year. write an exponential growth function to model this situation. then, find the annual sales after 7 years.

Answers

Answer:

S(t) = 149999(1.06)^t$225543

Step-by-step explanation:

Initial value is $149999Increase rate is 6% per year = 1.06 times

The model of the growth is:

S(t) = 149999(1.06)^t, where S- amount of annual sales, t- time in years, 1.06- growth rate per year

Annual sales after 7 years:

S(7) = 149999(1.06)^7 = $225543

roup of softball players are training on a square-shaped sports ground with sides measuring 100 yards each. The players run around for 10 minutes to warm up. How many laps around the sports ground do they run given their average speed is 5 yards per second? Please add an explanation. I will mark the brainliest to whoever's answer is best and YOU GET 50 Points.

Answers

Answer:

7.5 laps

Step-by-step explanation:

First, you wanna figure out how many yards is in one lap

to do this, you would multiply 100 and 4 (four because there's four equal sides  in one lap)

100 x 4 = 400

You know their speed is 5 yards per second, so you wanna find out how many seconds they will be running

to do this, you multiply 60 (sixty because there's sixty seconds in one minute) and 10 (ten because that's the given amount of minutes)

60 x 10 = 600 seconds

now to found out how much they will run in 10 minutes you will multiply 600 by 5

600 x 5 = 3000 yards

now to find how many laps this is, you can divide 3000 yards by 400 yards

3000 ÷ 400 = 7.5 laps

Is -6 a solution for the equation 3(2x - 8)= -4(-6 +21)?

Answers

Answer:

YeS, it is a solution

Step-by-step explanation:

Here, we want to check if -6 is a solution to the question

What we have to do is to replace x by -6

If what we have on the left equals that on the right, then -6 is a solution

Thus, we have it that;

3(2(-6) -8)

= 3(-12-8)

= 3(-20) = -60

for the right hand side

-4 (15) = -60

This means both sides are equal and that -6 is a solution

Beth Ann practiced piano for 1 hour 5 minutes each day for 1 week. She had 5 songs to practice and spent the same amount of time practicing each song. How long did she practice each song during the week?

Answers

Answer:

91 minutes per song in a week

Step-by-step explanation:

1 hour 5 minutes each day = 65 minutes per day

Total time spent on practicing piano in a week = 7 × 65 minutes

= 455 minutes

She had 5 songs to practice and spent the same amount of time practicing each song

Amount of time to practice each song = Total time spent on practicing piano in a week / number of songs

= 455 minutes / 5

= 91 minutes per song in a week

Equivalent to 1 hour 31 minutes

Franky and Francesca applied to the same college. They looked up the average SAT score of students admitted to that college. Franky’s SAT score was 140 points above the average score. Francesca’s SAT score was 40 points below the average score. Which expression represents the difference in their scores?

❘-40 - 140❘
-❘140❘ - ❘40❘
-❘140❘ + ❘-40❘
❘140 - 40❘

Answers

Answer:

❘-40 - 140❘

Step-by-step explanation:

Given that,

Franky’s SAT score was 140 points above the average score.

Francesca’s SAT score was 40 points below the average score.

We need to find the expression that represents the difference in their scores. It can be calculated as follows :

d = ❘-40 - 140❘

= -180

Hence, the correct option is (A) "❘-40 - 140❘".

Help ASAP. This is vital to my math grade. I will award 100 points and Brainly to whoever can give me the correct slope. I need this question correct in order to pass my math class. This is for a dual enrollment class. This is timed

Answers

Answer:

-2/2

Step-by-step explanation:

I think the slope is -2/2 I hope I got this right, sorry if I got it wrong. Anyway, you solve this by plotting your two points, then doing rise over run (down 2 and over to the right).

Your welcome :D.

Answer:

Slope: -1

Step-by-step explanation:

( 3, -6) and (5, -8)

m= (y2-y1)/(x2-x1)

m = ( -8 + 6)/ (5-3)

m = (-2)/2

m = -1

Jordan has more than 25 coins in his collection
which inequality shows the number of coins in jordens collection ​

Answers

Step-by-step explanation:

Given

Jordan has more than 25 coins in his collection.

So the inequality which shows the number of coins in Jordan's collection is

C x > 25

Hope it will help :)❤

18 x - 54 xy + 36y please help me send the answer As soon as possible

Answers

18(X-3xy+2y)

Step-by-step explanation:

hope it helps just take 18 common mark me as the brainliest

Write the equation of a circle that has a diameter of 12 units if its center is at (4,7).
PLZ HELP ASAP! I will give you BRAINLIEST

Answers

9514 1404 393

Answer:

  (x -4)^2 +(y -7)^2 = 36

Step-by-step explanation:

The equation of a circle with radius r and center at (h, k) is ...

  (x -h)^2 +(y -k)^2 = r^2

When the diameter is 12, the radius is 6 (half the diameter). Then for your center point, the equation is ...

  (x -4)^2 +(y -7)^2 = 36

Can anybody help me please?

Answers

the correct answers are 3, 4 and 5

the distance an asteroid travel is directly proportional to the amount of time it travels if an asteroid travels 112,000 miles in 2 hours how far will it travel in 24 hours

Answers

Answer:

1,344,000

Step-by-step explanation:

since 2 hours have gone by divide 112,000 by 2 you will get 56,000 meaning the asteroid is going 56,000 Miles Per Hour now Multiply 56,000(MPH) by 24 (Hours)

You're Answer: 1,344,000

Solve for X and round to the nearest tenth

Answers

Answer:

3.4

Step-by-step explanation:

cosx = adj/hyp

cos61° = x/7

x= cos61° * 7

*degree mode

3.39

It’s 3.4 because it is trust me

Example :

3X+4 X=2

3(2)+4

6+4

10



1. 2X-5 X= 7

2. X2 - 15 X= 5

3. X/9 +6 X = 81

4. 8X -4. X = 13

Answers

Answer:

1) 9

2) -5

3) 15

4) 100

those are the answers

9514 1404 393

Answer:

91015100

Step-by-step explanation:

As in the example, put the value where the variable is and do the arithmetic.

1. 2·7 -5 = 9

2. 5^2 -15 = 10

3. 81/9 +6 = 15

4. 8·13 -4 = 100

Your calculator can do the math.

2 of 6
Brian and Colin are marking exam papers.
Each set takes Brian 43 minutes and Colin
1 hour. Express the times Brian and Colin
take as a ratio in its simplest form.

Answers

Step-by-step explanation:

Brian takes = 43 minutes

Colin takes = 1 hour = 60 minutes

In ratio,

43/60

Solve for each variable x & y.

Answers

x=4 and y=7 hope this helps

Answer:

x=4 and y=7. did this help

I really don’t know the answer I’ve been working on it for 50+ minutes and I still don’t get it. Please help


Please help! I’ll be forever grateful
Math

Answers

I’m pretty sure it’s B.

help with this question please

Answers

Number of chores is independent, the other is dependent
Independent variable (often denoted by x ) whose variation does not depend on that of another.
Dependent variable (often denoted by y ) whose value depends on that of another.

Independent- c (number of chores)
Dependent- d (number of dollars)

Depending on how many chores you complete will determine how much money you will earn.

Please answer 1-5.ASAP.

Answers

Answer:

Step-by-step explanation:

1) Function: y = 5x - 2

2) Slope: 1/2     Y-Int: 4

3) Function: y = 6

4) Slope: -4     Y-Int: 1

5) Function: y = -2x/3

Answer:

Step-by-step explanation:

(1). y = 5x - 2

(2). m = [tex]\frac{1}{2}[/tex] , b = 4

(3). y = 6

(4). m = - 4 , b = 1

(5). y = - [tex]\frac{2}{3}[/tex] x

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