how to do this equation x-2y=12 and y=3x+14

Answers

Answer 1

Answer:

(-8,-10)

Step-by-step explanation:

we have the two equations x-2y=12 and y=3x+14.

I'm going to assume this is a system of equations and we are looking for the solution.

we can use the substitution method as y is "defined".

x-2y= 12

substitute y = 3x + 14

x-2(3x+14)=12

distribute

x - 6x -28 = 12

combine like terms

-5x - 28 = 12

add 28 to both sides

-5x = 40

divide both sides by -5

x = -8

Now we plug in the value of x into one of the equations and solve for y

y = 3x + 14

x = -8

y = 3(-8) + 14

y = -24 + 14

y = 10

the solution is (-8,-10)


Related Questions

who has the greater slope?

Answers

Answer:

It's most likely that they have the same answer.

Step-by-step explanation:

I'm a tutor , I give my students answer guides.

Find the circumference of each circle. Use 3.14 for tt. Round to the nearest 1 point
hundredth, if necessary.


Answers

Area if a circle = 3.14r²

we know the diameter is 13
so the radius is half of that which is 6.5

then

(3.14)(6.5)² = 132.67 ft²

Please help me with this math problem!! NO LINKS PLEASE!! I will give brainliest!!

Answers

The two tangent theorem

RS = RT

So ΔRST = isosceles triangle

∠S = ∠T =( 180° - (48°) : 2 = 66°

∠TSR = 66°


A circle has been dissected into 16 congruent sectors. The base of one sector is 1. 17 units, and its height is 2. 94 units. Using the area of a triangle formula, what is the approximate area of the circle? circle A is dissected into 16 congruent sectors, one sector is highlighted 27. 14 units2 27. 52 units2 48. 92 units2 76. 44 units2.

Answers

The area of a shape is the amount of space on the shape

The approximate area of the circle is 27.52 square units

How to determine the area of the circle

The given parameters are:

Sectors = 16

Base = 1.17 units

Height = 2.94 units

The area of the triangle is:

[tex]A_1 = 0.5 * Base * Height[/tex]

So, we have:

[tex]A_1 = 0.5 * 1.17 * 2.94[/tex]

[tex]A_1 = 1.7199[/tex]

The approximate area of the circle is then calculated as:

[tex]A_2 = 16 * A_1[/tex]

This gives

[tex]A_2 = 16 * 1.7199[/tex]

[tex]A_2 = 27.52[/tex]

Hence, the approximate area of the circle is 27.52 square units

Read more about areas at:

https://brainly.com/question/24487155

Answer:

27.52

Step-by-step explanation:

A = 1/2 bh

fill in the given information

A = 1/2 (1.17)(2.94)

multiply 1.17 and 2.94

A = 1/2 (3.4398)

Mutiply 3.4389 by 1/2 or divide 3.4398 by 2 (it is the same thing)

A = 1.7199

Now you have the area of one of the triangles, so you have to find the area of the whole circle or 16 triangles.

A = 1.7199 (16)

Mutpily

A = 27.5185

round to the nearest hunderth

A = 27.52

:)

Will give brainliet answer my question if there are 25 frogs and 6 kitten how many animals I have in a fraction. 20 points

Answers

Answer:

2/3

Step-by-step explanation:

Because there are two types of animals, you have 2. And then you do 25+6, which is the sum of all animals.

Answer:

Frogs: 25/31 Cats: 6/31

Step-by-step explanation:

Pls, choose me as brainliest!

so if Johnny had 3×6 amount if dish soap. How much dish soap would he have?​

Answers

Answer:

18

Step-by-step explanation:

3x6=6x3=6+6+6=12+6=18

Can y'all help me ASAP?

Answers

Answer:

The answer is the last one.

Step-by-step explanation:

They paid $24.10 dollars, they paid $1.25 each and they paid $2.70 per mile. So, we subtract 2.50 from 24.10, since Landis and her father went together. And then, we divide our answer by 2.70.

24.10 - 2.50 = 21.60

21.60/2.70 = 8

They drove 8 miles.

3 (a+2) + 2 )a+3) + 3 (a+2)

Answers

Answer:

simplest form

2(4a +9)

Step-by-step explanation:

factor

[tex]3a + 6 + 2a + 6 + 3a + 6[/tex]

simplify

[tex]8a + 18[/tex]

factor out 2

[tex]2(4a +9)[/tex]

In Italy, one dollar is approximately equal to 1900 lire. If a certain pair of shoes cost
60,000 lire, what would be the dollar amount? Round to the nearest hundredth, if
necessary.

Answers

Step-by-step explanation:

Divide 60000 by 1900 to represent the amount of dollars:

[tex]60000 \div 1900 = 31.5789[/tex]

Rounded to the nearest hundredth:

[tex]31.58[/tex]

Draw any line segment PQ Take any point R not on it. Through R, draw a
perpendicular to PQ. (Use ruler and set square).

Answers

Answer:

see image

Step-by-step explanation:

use a ruler and a "set square", a tool to make a neat 90° angle. See image.

Point R can be anywhere as long as it is not on PQ. PQ can be at any angle or any length. There are many, many ways to follow these directions. The idea maybe be to practice using the tools or the idea may be that for any segment and point not on the segment, there exists a way to drop a perpendicular from the point to the segment.

The superintendent of a large school district wants to estimate the percent of district residents who support the building of a new middle school. To gather data, the superintendent will select a random sample of district residents.Which of the following is the most appropriate method for creating such an estimate? *
A one-sample z -interval for a sample proportion
A two-sample z -interval for a difference between population proportions
A two-sample z -interval for a population proportion
A one-sample z -interval for a difference between population proportions
A one-sample z -interval for a population proportion

Answers

According to the hypothesis test, the option that gives the most appropriate method for creating such an estimate is:

A one-sample z-interval for a population proportion.

What is the hypothesis test?

He will test if there is enough support to build a new middle school, that is, if the population proportion that supports the building of a new middle school is greater than a threshold.

Only one sample is taken from the district residents, hence the correct option is:

A one-sample z-interval for a population proportion.

You can learn more about hypothesis tests at https://brainly.com/question/26454209

Shane is following an English recipe for scones. The recipe calls for 1.2 kilograms of flour. How many pounds of flour, to the nearest tenth of a pound, does he need?

EXPLAINNNNN!!!!! PLZ

Answers

Answer:

3

Step-by-step explanation:

sorry i cant answer it wont let me

Pls answer, need to have it by Friday

Thank you

Answers

Answer:

Step-by-step explanation:

I'm pretty sure you are only meant to draw a rectangle of 34 I'm not sure tho.

how do I type the infinity sign? do not search it up.

Answers

Answer:

Hold the ALT key and type 236 on the number lock keypad.

Step-by-step explanation:

I know this because I look up random stuff because my teachers ask me to.

Suppose you have 3 idenitcal cookies and 4 identical candy bars and wish to distribute them to 10 different friends. Assuming no one may have more than one item, how many different distributions are possible

Answers

Using the combination formula, it is found that 120 distributions are possible.

In this problem, the order in which the items are distributed is not important, hence the combination formula is used to solve this question.

What is the combination formula?

[tex]C_{n,x}[/tex] is the number of different combinations of x objects from a set of n elements, given by:

[tex]C_{n,x} = \frac{n!}{x!(n-x)!}[/tex]

In this problem, 7 items will be given to a set of 10 people, hence:

[tex]C_{10,7} = \frac{10!}{7!3!} = 120[/tex]

120 distributions are possible.

More can be learned about the combination formula at https://brainly.com/question/25821700

A large concrete block is used for the cornerstone of a building. The block is 13 yd deep, 13 yd wide, and 16 yd long. What volume of concrete is needed to make this block?

Answers

MARK ME AS BRAINLIST PLEASE

2288ft^3

Step-by-step explanation:

Given data

Dimension of the block

Length= 13ft

Width= 11ft

Height= 16ft

Volume = L*W*H

substitute

V= 13*11*16

V= 2288 ft^3

Hence the volume of the concrete is 2288ft^3

#7 please write in slope intercept form!

Answers

Answer:

3/4 or 1/4 stays

Step-by-step explanation:

Which table of values goes with the equation y = x 2 - 2x + 3?


x y
-2 11
-1 6
0 3
1 2
2 3

x y
-2 3
-1 4
0 3
1 2
2 3

x y
-2 3
-1 2
0 3
1 6
2 11

x y
-2 3
-1 2
0 0
1 4
2 11

Answers

Answer:

32 its negatived but u have more so its positive {{32

Step-by-step explanation:

The length of a kitchen wall is 24 2/3 feet long a border will be placed along the wall of the kitchen if the border comes in strips that are each 1 3/4 feet long how many strips of border are needed

Answers

Answer:

15 strips of border will be needed

Step-by-step explanation:

First, convert each dimension for a mixed number into an improper fraction, We can now divide the length of the border into the length of the kitchen wall to find the number of strips needed, We can now use this rule for dividing fractions to evaluate the expression, and you get your answer.

Answer:

Therefore, 15 strips of border will be needed.

Step-by-step explanation:

A shirt is sold for £87.50. If its original price was
£125, what is the % discount for the shirt?
%
Help please

Answers

Answer:

70%

Step-by-step explanation:

divided 125 by 100 you get 1.25 times that by 70 you get 87.5 wich is the same as 87.50

division was used in the first example.

Answers

Ok




Sulition because I said do

find the cost price when selling price of an article is rupees rs 8640 and the profit percent is 20%​

Answers

Answer:

Rs. 7200

Step-by-step explanation:

Let the cost price be Rs. [tex]x[/tex]

Then we have:

[tex]x(1+20\%)=8640\\1.2x=8640\\x=7200[/tex]

What equation can represent the model shown below?

Answers

c would be the answer ok

I’m pretty sure that answer would be the {b}

please help with this question ​

Answers

-12,-16

Is the answer

Answer:

-12,-16 is the answer for this graph

Salima takes 15 minutes from her house to reach her school on a bicycle. If the bicycle has a speed of 2 m/s . Calculate the distance between her house and the school .

Don't spam .​

Answers

The distance between her house and the school is 1800 meters.

How to get the distance?

We must use the relation:

distance = speed*time

Here we have:

speed = 2m/stime = 15 minutes.

We should rewrite the time into seconds, then we have:

15 minutes = 15*(60 seconds) = 900s

Then the distance is:

distance = (2m/s)*(900s) = 1800m

If you want to learn more about speed, you can read:

https://brainly.com/question/4931057

Hey ! there

Answer:

Distance = 1800 m

Step-by-step explanation:

In the question we're given that Salima takes 15 minutes from her house to reach her school on a bicycle and bicycle has speed of 2m/s .

And we are asked to calculate the distance between her house and the school .So for finding the distance we need to know the speed formula that is ,

[tex] \: \qquad \: \qquad \: \red{\underline{\red{\boxed{\frak{Speed = \frac{Distance}{Time}}}}}} [/tex]

So ,

[tex] \:\qquad \quad \underline{\boxed{ \frak{Distance = Speed \times Time} } }[/tex]✦

As it's given in the question that the speed of bicycle is 2 m/s and she takes 15 minutes to reach the school . So , for finding distance we must have to convert 15 minutes into seconds .

We know that ,

1 minutes = 60 seconds

15 minutes = 15 × 60 seconds

Therefore in 15 minutes we have ,

900 seconds

Now Solving : -

[tex] \longmapsto \: \qquad \: \sf{Distance =2 \times 900}[/tex]

By , multiplying 2 and 900 , We get :

[tex] \longmapsto \: \qquad \: \purple{\underline{\purple{\boxed{\frak{ {Distance = 1800 \: m}}}}}}[/tex]

Therefore , distance between her house and school is 1800 metres .

#Keep Learning

Which of the following expressions is equivalent to the expression bellow using exponents.
15 × 15 × 15 × 15 × 15 =

Answers

Answer:

[tex]15^5[/tex]

Step-by-step explanation:

15 × 15 × 15 × 15 × 15 = 15 times itself 5 times

15 times itself 5 times is equal to [tex]15^5[/tex]

The answer is [tex]15^5[/tex]

Hope this helps :)

Have a nice day!

Yoko made $15,000 in taxable income last year. Suppose the income tax rate is 15% for the first $850Cplus 19% for the amount over $8500 How much must Yoko pay in income tax for last year?​

Answers

Answer:

$2510

Step-by-step explanation:

Amount of tax on $8500:

$8500*15/100 = $1275

Amount of income over $8500:

$15000 - $8500 = $6500

Amount of tax on $6500:

$6500*19/100 = $1235

Total tax is:

$1275 + $1235 = $2510

Ryan buys a book that has an original price of$28. The book is discounted 25%. Ryan must pay a 7% sales tax on the discounted price of the book


PART A:

What is the price of the book after the discount?


PART B:

What is the final price of the book after tax?

Answers

Answer:

$28.00 x 25% = 7

$28.00 - 7 = $21,00

Step-by-step explanation:

Find the perimeter of the rectangle

Answers

Answer:

6x^2 + 8x + 28

Step-by-step explanation:

2 times the length plus 2 times the width gives the perimeter

2(3x^2 + 3x + 6) + 2(x + 8)

6x^2 + 6x + 12 + 2x + 16

6x^2 + 8x + 28

Answer:

12x²+ 28

Step-by-step explanation:

Since to find the perimeter we need to add all the side lengths together. That would give us, 12x²+ 28.

Six quarts of milk weigh 13 pounds. Write three different proportions you could use to find the weight of 10 quarts of milk.

Answers

Answer:

1. 130/6

2. 65/3

3. 260/12

Step-by-step explanation:

The first thing to do is calculate The weight of a 10 quarts of milk.

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