Solve the system of equations by the addition method.

5x + 2y = 1
2x - 2y = -8

Answers

Answer 1

Answer:

(-1, 3)

Step-by-step explanation:

5x + 2y = 1

+

2x - 2y = -8

7x = -7

x= -1

2(-1) - 2y = -8

-2 - 2y = -8

-2y = -6

y = 3


Related Questions

If Luke is 5 feet and 9 inches tall and Ben is 6 feet and 2 inches tall, What is their total height in centimeters rounded to the nearest centimeter? (There are 2.54 centimeters in 1 inch)​

Answers

The answer is 257 centimeters .
5ft9 = 175.26 cm
6ft2 = 187.96 cm
175.26 + 187.96 = 363.22 cm
Round => 363 cm

please help super confused

Answers

Answer:

∠ EHK

Step-by-step explanation:

Adjacent angles are positioned next to each other on a straight line and are supplementary.

∠ IHK is next to ∠ EHK on the line DI and are adjacent

A 2.5-kg bag of flour contains enough flour to make 4 cakes. a) How much flour is needed to make 50 cakes?

Answers

Answer:

31.25 kg of flour is needed to make 50 cakes

Step-by-step explanation:

A 2.5-kg bag of flour contains enough flour to make 4 cakes. a) How much flour is needed to make 50 cakes?

We can find it by using unitary method i.e first find quantity of flour needed for 1 cake and then we can find quantity of flour needed for 50 cakes.

Flour needed to make 4 cakes = 2.5 kg

Flour needed to make 1 cake = [tex]\frac{2.5}{4}[/tex] kg

Flour needed to make 50 cakes = [tex]\frac{2.5}{4}\times 50[/tex]

                                                      = 31.25 kg

So, 31.25 kg of flour is needed to make 50 cakes

Combine the like terms to create an equivalent expression.
4t-t+2

Answers

3t+2. The two stays the same because there are no like terms

Answer:

3t+2

Step-by-step explanation:

khan said so


Make
x
the subject of the formula
x

p
=
t

Answers

Answer:

x = t + p

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets Parenthesis Exponents Multiplication Division Addition Subtraction Left to Right

Equality Properties

Step-by-step explanation:

Step 1: Define

x - p = t

Step 2: Solve for x

Add p to both sides:          x = t + p

can you help me please​

Answers

Answer: 2

Step-by-step explanation:

2.5 by 2 is 5

Lengthy by width is area

Solve for b .

-9 b = 27
please will mark brainliest whoever gets it right

Answers

Answer:

b=-3

Step-by-step explanation:

hope this helps!

B=-3 jdjdjdjbebenejejehehd

How many solutions does this system have?

y = 5 x minus 1. y = negative 3 x + 7.

no solutions
one unique solution
two solutions
an infinite number of solutions

Answers

Answer:

One

Step-by-step explanation:

There will be one unique solution of the equation y = 5x - 1 and y = 3x + 7. The correct option is B.

What is a system of equations?

A finite collection of equations for which we searched for common solutions is referred to in mathematics as a system of equations, sometimes known as a set of simultaneous equations or an equation system. Similar to single equations, a system of equations can be categorized.

A linear equation can only have one unique solution, which is a location at which the LHS and RHS of the equation are equal. There is only ever one solution to a linear equation with one variable.

y = 5x - 1

y = 3x + 7

5x - 1 = 3x + 7

2x = 8

x = 4

y = 19

Therefore, there will be one unique solution of the equation y = 5x - 1 and y = 3x + 7.

To know more about the system of equations follow

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4 thousandths times 3 (like this plz 0.004x3)

Answers

Answer:

0.012

Step-by-step explanation:

0.004 * 3 = 0.012

Here is a rectangle ABCD.
A
B
20 cm
D
30 cm
The length of the rectangle is increased by 10%.
The width of the rectangle is increased by 5%.
Find the percentage increase in the perimeter of the rectangle.

Answers

answer

15.5%

Step-by-step explanation:

length = 30

30+10%=33

breadth=20

20+5%=21

area of rectangle = length × breadth

600² centimeters = 30 × 20

693² centimeters = 33 × 21

Increase = 15.5%

he sum of twice a number and 15”

Answers

Answer:

2x + 15 = the sum of twice a number and 15

Step-by-step explanation:

by using thr numerical values from Q9, Calculate the sum of the letters in your answers to Q11 and Q12 by replacing the letters with their equivalent numbers and adding them up

Complete the sentences to explain how to multiply 4.56 x 1,000

Answers

Answer 4560

Step-by-step explanation:

Take 1,000 over 4.56 and mutiply  6 times all the zeros wich gets

Take 6 times 1 and thats 6

And repeat that until you run out of dights which in this case is just 4.56

A bear cub weighed 10 pounds. Each month it gains 5 pounds. Which equation correctly shows this linear relationship.
A.Y=5x +10
B.Y=10x +5
C.Y=5x-10
D.Y=10x-5

Answers

Answer:

A. Y = 5x + 10

Step-by-step explanation:

The bear gains 5 pounds a month. The X represents the months in which five pounds gradually build. This is represented by 5x. We need to add the bears original 10 pounds so Y = 5x + 10.

Answer:

a is the answer I did dat before

Write an explicit formula of an , the nth term of the sequence 22,20,18

Answers

Answer:

an =24−2n

Step-by-step explanation:

1 3/4 x 1 1/3 give your answer as a mixed number

Answers

Answer:

2 1/3

Step-by-step explanation:

1 3/4  is equivalent to 7/4

1 1/3 is equivalent to 4/3

7/ 4 x 4/3

reduce with greatest common factor so the two 4 are out (show a line crossing out the top and bottom 4 )

now you're left with 7 x 1/3 = 7/3

7/3 = 2 1/3

The product of two given mixed fractions is [tex]2\frac{1}{3}[/tex].

The given mixed fractions are [tex]1\frac{3}{4}[/tex] and [tex]1\frac{1}{3}[/tex].

What is the product of two fractions?

The product of two fractions is the product of the numerators and the product of the denominators.

Product of two fractions = Product of their denominators / Product of their numerators.

Here, the mixed fraction [tex]1\frac{3}{4}[/tex] can be written as [tex]\frac{7}{4}[/tex] and the mixed fraction [tex]1\frac{1}{3}[/tex] can be written as [tex]\frac{4}{3}[/tex].

Now, 7/4 × 4/3

= 7/3

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

Therefore, the product of two given mixed fractions is [tex]2\frac{1}{3}[/tex].

To learn more about the product of two fractions visit:

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Layla is driving to a concert and needs to pay for parking. There is an automatic fee of
$8 just to enter the parking lot, and when she leaves the lot, she will have to pay an
additional $3 for every hour she had her car in the lot. How much total money would
Layla have to pay for parking if she left her car in the lot for 6 hours? How much
would Layla have to pay if she left her car in the lot for t hours?

Answers

Answer:

additional charge=$3×$6

=$18

minimum charge =$8

total=$24

Answer:

$26

8 + 3t

Step-by-step explanation:

k - 873 = -695
What is the answer

Answers

Answer:

k= -1,568

Step-by-step explanation:

I am pretty sure this is the answer if not I am soo sorry

Answer:

178 is the answer......

I need to find the resultant matrix

Answers

the answers are there

i hope it will help you

Solve the equation for y. y-x=5

Answers

y - x = 5

y = x + 5

Hope this helps! :)

Answer:

Hi! The correct answer is y=5+x!

Step-by-step explanation:

~Add x to both sides of the equation~

plzzzzzz i will give u a thank u and 5 stars

Answers

Answer:

the answer is 440 square inches.

you just have to multiply all the numbers.

Answer:

B. 440 square inches

Step-by-step explanation:

all you have to do multiply 5x8x11 = 440

find the value of x in each of the given triangles.​

Answers

Answer:

7.5

Step-by-step explanation:

10x + 8x + 6x = 180°

24x = 180°

x = 180°÷24

× = 7.5

HOPE IT HELPS YOU.

HOPE IT HELPS YOU.

HOPE IT HELPS YOU.


Identify the constant of proportionality

Answers

The answer is #2. 3/2. The dot rises 3 lines and moves to the right 2 lines.

The trainers at Atlantis Aquarium perform shows about sea life. Yesterday, they performed 4 shows in 2 hours. Today, they will perform 6 shows. If they perform shows at the same rate, how many hours will the trainers spend performing shows today?

Answers

Answer:

3 hours

Step-by-step explanation:

Number of shows : Time taken

= 4 : 2

Today, they will perform 6 shows.

Number of shows : Time taken

= 6 : x

Equate both ratios to find x

4 : 2 = 6 : x

4/2 = 6/x

Cross product

4 * x = 2 * 6

4x = 12

x = 12/4

x = 3 hours

The trainers will spend 3 hours performing shows today

Answer:

3 hours

Step-by-step explanation:

What is the equation of the vertical asymptote for the graph below ?
y = 5 + 1 / x + 3

Answers

Vertical asymptotes can be found by solving the equation n(x) = 0 where n(x) is the denominator of the function ( note: this only applies if the numerator t(x) is not zero for the same x value). Find the asymptotes for the function . The graph has a vertical asymptote with the equation x = 1.

The equation of the vertical asymptote is x = -3

The function is given as:

[tex]y =\frac{5x +1}{x + 3}[/tex]

Assume the equation of the function is:

[tex]y =\frac{m(x)}{n(x)}[/tex]

So, by comparison;

We have:

[tex]n(x)=x + 3[/tex]

Set n(x) to 0

[tex]x + 3 = 0[/tex]

Subtract 3 from both sides

[tex]x = -3[/tex]

Hence, the equation of the vertical asymptote is x = -3

Read more about asymptotes at:

https://brainly.com/question/17257427

Plz help me I need tu turn this is by midnight!!

Answers

Answer:

The last answer.

Step-by-step explanation:

It looks to be the correct answer because for the one above you can't simplify 27 by 5.

it’s the last choice, b/5 = 7

What is the domain of this relation?

Answers

Answer:

{-3, 3, 5, 9}

Step-by-step explanation:

The domain is simply the inputs (x) used in the function.

Answer:

{-3,3,5,9} this is answer

Simon has a farm and has to buy a certain amount of feed for each animal. He buys feed once a month and counts all of his animals to see how much feed he needs to buy. Chicken feed is about $0.5 per chicken, each horse eats about $5 worth of feed, and goats eat about $4 worth of feed. What equation should he use to find how much he should spend on feed?

A. 0.50 +5h + 4g = total spent on feed
B. 9.5a = total spent on feed
C. 0.50 +5h + 40 = 100
D. 0.59 +49 +5g = total spent on feed​

Answers

Answer:

A

Step-by-step explanation:

youre looking for the total spent, and then each variable from the word equation

Answer:It is B because you add 5+4 and you get 9 and than you have 9 you have 5 cences

so it is $9.05

95% of 15
i need help

Answers

Answer:

14.25

Step-by-step explanation:

im sorry im bad at explaning

Solve this system of equations.
3x + 4y = 36
y=-2 +8

Answers

The answers are X=4 Y=6

Answer:

( X, y [tex] = (x.y) ( - \frac{4?}{?3} = 10)[/tex]Standard form [tex]3 \times + 4y = 36 \\ y = 10[/tex]

what is 6X + 9 + 2x ​

Answers

Answer:

8x + 9

Step-by-step explanation:

Combine 6x and 2x since they are "like variables" meaning they both contain an x, and write in standard form ax + bx + c

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