3x + 2y = 22 −x + 4y = 2

Answers

Answer 1

Answer:x=11/2+y/2

Step-by-step explanation:

Answer 2

The solution of the given system of equation would be (6, 2)

What is a system of equations?

Two or more equations to be solved together, i.e., the solution must satisfy all the equations in the system.

We have Given the equations, 3x + 2y = 22

-x + 4y = 2

Solving by elimination, Multiplying the second equation by 3,

3x+2y = 22

-3x + 12y = 6

Adding the equation, we get;

2y+12y = 22+6

24y = 28

y = 2

Putting y=2 we get;

3x+2*2=22

3x+4 = 22

3x = 18

x = 6

Hence, The solution is (6, 2)

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Related Questions

Write 0.000 97 in standard form

Answers

Answer:

[tex]9.7 \times 10 {}^{ - 4} [/tex]

The standard form of given number [tex]9.7[/tex]×[tex]10^{-4}[/tex]

What is standard form?

Standard form is a way of writing down in easy form of very large or very small numbers.

Let E is the standard form of given number

E=0.00097

E= [tex]\frac{97}{100000}[/tex]

E=97×[tex]10^{-5}[/tex]

E=[tex]9.7[/tex]×[tex]10^{-4}[/tex]

The standard form of given number [tex]9.7[/tex]×[tex]10^{-4}[/tex]

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a woodworker wants to cut a board that is 8.225 feet long into 5 equal pieces. How long will each of the boards be?​

Answers

Answer:

1.645 feet

Step-by-step explanation:

To solve this you must divide the total length by 5. 8.225/5=1.645. Each board will be 1.645 feet long

Each board will be 1.645 feet long

What is this surface area?!!??

Answers

Answer:

132 in^2

Step-by-step explanation:

4×3×1/2×2+10×4×3=132

Graph each equation or inequality

y = 3/4x-2

Answers

The answer to your question is b

Which point is a reflection of (-3,-3) across the y-axis?
(-3, 3)
(3, 3)
0 (-3,-3)
o
(3,-3)

Answers

Sorry if it’s too late, but I worked it out for you.

The point which is a reflection of (-3,-3) across the y-axis is, (3, - 3)

What is Coordinates?

A pair of numbers which describe the exact position of a point on a cartesian plane by using the horizontal and vertical lines is called the coordinates.

We have to given that;

The point is,

⇒ (- 3, - 3)

Now, We know that;

The rule of reflection after across the y - axis is,

⇒ (x, y) = (- x, y)

Thus, The point which is a reflection of (-3,-3) across the y-axis is,

⇒ (x, y) = (- x, y)

⇒ (-3, -3) = (- (-3), -3)

              = (3, - 3)

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If the value of a quarter of a kilogram is ₹ 40, how much money will be the value of 100 grams?​

Answers

Answer:

₹16

Step-by-step explanation:

1/4 kg = ₹ 40

1kg = 40×4 = ₹160

1000g = 1kg

100g = 100/1000 kg

= 0.1kg

0.1kg= 0.1×160 = ₹16

First convert 40 grams to kg. A kilogram is 1000 grams, so you divide 40 by 1000 which is .04 kg.

40 grams * 1 kg / 1000 grams = .04 kg

(Note here that 1 kg = 1000 grams meaning that 1 kg / 1000 grams = 1; anything divided by itself is one; therefore, when I multiply by 1 kg / 1000 grams I’m not changing the value, only the units.)

Then you simply multiply the price per kg by the number of kg giving 6.6.

.04 kg * 165 / 1 kg = 6.6

(Oranges are different. You can’t compare apples to oranges.)

f(x) = x2 + 1
f(-3)=)

Answers

Answer:

f(-3) means, put -3 at x

therefore, f(-3)= 3²+1

=10

Mary bought a 2 pound bag of dog food. Her dog ate 3/6 pound on Monday and 2/6 pound on Tuesday. How many pounds of dog food remain in the bag? (work it out)

Answers

Answer:

1-1/6

Step-by-step explanation:

3/6+2/6=5/6

This is out of one pound

So there is 7/6 pounds left

Or 1-1/6

The table shows the fees to park in a parking lot.
first hour = $1
second hour = $1.50
each additional hour or part of an hour = $2.
How much does it cost to park for 4 1/2 hours?

Answers

Answer:

$7.50

Step-by-step explanation:

4 1/2 hours total

1st hour = $1.00 ;  3 1/2 hrs remaining

2nd hour = $1.50 ;  2 1/2 hrs remaining

after 2 hours you pay $2 per hour so 2.5 x 2 = $5.00

Write an expression in the simplest form that represents the perimeter of the following shape

Answers

Perimeter is adding all 4 sides together:

8 + 8 + 9x + 9x

Simplify by coming like terms to get:

18x + 16

The answer is d. 18x + 16

Oliver said, "To the nearest hundred, I’ve attended drama club for 900 days of my life!” Write three numbers that could be the actual number of days Oliver has attended drama club.

A. 743, 970, 933

B. 870, 933, 780,

C. 780, 849, 761,

D. 867, 870, 933

Answers

the answer is D dnsgkstbranat

Hello. Giving Brainliest for whoever is correct.


A poster is shown below:

A rectangle is shown. The length of the rectangle is labeled 12 feet. The width of the rectangle is labeled 3 feet.

What are the dimensions if the poster is enlarged by a factor of five over two ?

7.5 ft by 30 ft
15 ft by 60 ft
1.5 ft by 6 ft
15 ft by 6 ft

Answers

Answer: 7.5 ft by 30ft

Explanation: 12*5/2=60/2=30 ft
3*5/2=15/2=7.5 ft

11. Find the slope given two points.
(-1, 4) and (4, -3)

Answers

Answer:

m = -7/5

Step-by-step explanation:

Which is equivalent to the expression below? |-3|
O
13
-1-31
O
3

Answers

it’s 3, absolute value makes everything positive
answer is 3 because absolute value is always positive

Write 383 in expanded form

Answers

300 + 80 + 3 that’s it

Answer:

300 + 80 + 3

PLease mArk me brainliest

Find the volume of this cuboid 5cm

Answers

I think the answer is V=125

Answer:

125[tex]cm^{3}[/tex]

Step-by-step explanation:

5x5x5= 125

what is 12 more than m

Answers

What? You’ve got a picture or something?

An NBA trainer wants to know if his stretching routine is helping the players on his team jump higher. He records the average height jumped for 8 players before completing his stretching routine, and then again after they have stretched. What is the parameter? Group of answer choices dbar = the true sample mean difference in jump height mu_d = the true sample mean difference in jump height dbar = the true population mean difference in jump height mu_d = the true population mean difference in jump height

Answers

Answer:

a. mu_d = the true population mean difference in jump height

Step-by-step explanation:

In statistical parlance, observations used for a study could either be randomly chosen points or members of a large group or population, this small chosen observation obtained from a larger group is called the sample, the statistical measures or characteristic of such group is called statistic; while statistical characteristic, computations or measurement of the entire group of observations is called the parameter.

Mean of sample are usually represented with a bar sign on top such as (xbar) ; while mean of a population is represented as μ.

PLEASE HELP NEED IT ASAP!!! FOR A UNIT TEST!!!
Write the slope-intercept equation for the line that is perpendicular to:
y = -2x + 3 and passes through (-4, 5)

Answers

Y=1/2x+7 because you flip the sign and the numbers on the fraction for the slope then solve for the y-not

Answer:

Y=1/2x+7

Step-by-step explanation:

PLEASE HELP
Select the graph that shows the correct sum.

Answers

Answer: It’s the second option

Step-by-step explanation:

5 x (2+8) + (12-6/3) x2

Answers

Answer:x

3

+

64

x

3

1

12

t

8

Step-by-step explanation:

Answer:

5 x (2+8) + (12-6/3) x2

5×10+(12-2)×2

50+10×2

50+20

70

Help!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Answers

Answer:

The answer is 60

Step-by-step explanation:

How to find what percent of X is Y. Use the percentage formula: Y/X = P% Example: What percent of 60 is 12? Important! The result will always be in decimal form, not percentage form.

(i know this isn’t the clearest formula but its what i used)

Answer:

60

Step-by-step explanation:

To make this problem a little easier, think of 80% as 4/5.

(4/5 = 48/x) ~the unknown is represented by x

After cross multiplying, or "the butterfly method" you would get:

4x = 5(48)

4x = 240

240/4 = 60!

Translate the folowing sentence into a equation. The quotient of a number and -2, less 10, is-18

Answers

Answer:

x + (-2) - 10 = -18

Step-by-step explanation:

I will give someone 100 points if they give me a brainliest

Answers

Answer:

ok

but why?

hmm

i dont get it , you will give someone 100 points for brainlist ? just answer someone’s question and ask for brainliest

Two triangles are created by the points below use each of the triangles to determine the slope of the line on the graph what is the slope

Answers

Sorry I can’t answer this u need do put more info

can anyone help me and explain​

Answers

Answer:

so all you have to do is graph the linear equation of y=3x+0. But, the greater than or equals to sign tells us to make a solid line and shade above

result:

Step-by-step explanation:

15j + 15 i need this ASAP will give brainlyest

Answers

Answer:

15 ( j + 1)

Step-by-step explanation:

You need to factor it.

15 ( j +1 )

= 15j + 15 ✔

Jenna painted l 1/8 of one side of a fence. Mark 3 one the other side of the same sex use greater equal or less to compare of the parts that they painted.

Answers

Answer:

?????

Step-by-step explanation:

Help help help help help pls

Answers

The answer is c maybe but I might be wrong and I might be correct but who knows unless you pick C

In the figure shown what is the value of x?

Answers

Answer:

23 is the right answer hope it's helps you

The value of x from the given congruent triangles is 23 units.

In the figure ΔABC and ΔDEF are given.

What is the congruence theorem?

Triangle congruence theorem or triangle congruence criteria help in proving if a triangle is congruent or not. The word congruent means exactly equal in shape and size no matter if we turn it, flip it or rotate it.

Consider, ΔABC and ΔDEF, we have

AB=DE (Given)

∠BAC=∠EDF (Given)

AC=DF (Given)

So, ΔABC ≅ ΔDEF

We know that, by CPCT

BC=FE

⇒ x-4=19

⇒ x=23 units

Therefore, the value of x from the given congruent triangles is 23 units.

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