Mathematics High School

The graph below shows a system of equations:

The x-coordinate of the solution to the system of equations is

Answers

Answer 1

Answer:

solution is (-2, 2) so x-coordinate of solution is -2

Step-by-step explanation:

Answer 2

Answer:

-2

Step-by-step explanation:

First, we have to write down both equations.

y = x + 4

3y = -2x + 2

Now we already have an equation that we can plug into the other equation.

= 3(x + 4) = -2x + 2

= 3x + 12 = -2x + 2

= 5x + 12 = 2

= 5x = -10

x = -2

Now we know that x = -2, and the question asks for the x-coordinate, which is -2.

Related Questions

Excluding hydropower, U.S. power plants used renewable energy sources to generate 105 million megawatt
hours of electricity in 2007. By 2012, the amount of electricity generated had increased to 219 million megawatt
hours.
Use the model to predict the number of megawatt hours that will be generated in 2017.

Answers

There will be 333 million megawatt hours in 2017

Answer:

333,000,000

Step-by-step explanation:

Alan travels eight and two thirds kilometers to get to school. He ran one and ten elevenths kilometers and walked the rest. How many kilometers were left to walk?

1.six and two thirty thirds kilometers
2.five and twenty five thirty thirds kilometers
3.six and twenty five thirty thirds kilometers
4.six and twenty thirty thirds kilometers

Answers

Your answer is 1. Six and two thirty thirds kilometers

Answer:

Step-by-step explanation:

8 2/3 - 1 10/11 = 223/ 33 (6 25/ 33)

Hope it helped!

help me plz....................................................................

Answers

Answer:

Step-by-step explanation:

The steps are correct! You want to get x terms on one side, numbers on the other side. You can do that by adding or subtracting both sides of the number or term you want to move.

Please give thanks by clicking the heart button! good luck!

I really don’t know but i think it’s A. not so sure tho. i’m so sorry if i’m wrong

Plz help will mark brainliest :)
(For both drop down menus)
A. An even
B. An odd
C. Neither an even nor an odd

Answers

Answer:

Step-by-step explanation:

Find the length of side x in the simplest radical form with a rational denominator.

Answers

The answer is 60 or 15 because you need to have 150 for a triangle

c + 5d = -13
4c - 5d = 48
Solve the simultaneous equations

c=__
d=__

Answers

c=7
d=-4
hope this helps and for you

The sum of the digits of a two − digit number is 11. The unit's digit is 7 less than the ten's digit. Find the number.

Answers

Answer:

Number = 92

Step-by-step explanation:

Let the unit digit is x and that of tens digit is y.

ATQ,

x+y = 11 ....(1)

The unit's digit is 7 less than the ten's digit

x = y-7 ...(2)

Put the value of x from equation (2) in (1)

y-7+y = 11

2x-7 = 11

2x = 11+7

2x = 18

x = 9

Put the value of x in equation (1)

9+y = 11

y = 2

Hence, the number is 92.

find the measure of abc

Answers

Where the image of the

You need to add a picture

Choose the word that correctly completes the statement
Since angle B is the largest angle, line segment AC is the
side,

Answers

The answer would be b because AC don’t make sense

The line segment AC (side a) is the longest side of triangle ABC.

To determine which side of triangle ABC is the longest, we can use the concept that the side opposite the largest angle in a triangle is the longest side. In this case, angle B is the largest angle with a measure of 75 degrees.

Now, we can identify the side opposite angle B, which is line segment AC. Therefore, line segment AC is the longest side of triangle ABC.

To calculate it more formally, we can use the law of sines. The law of sines states that in any triangle, the ratio of the length of a side to the sine of its opposite angle is the same for all three sides. The formula is:

a/sin(A) = b/sin(B) = c/sin(C)

Where:

a, b, c are the side lengths of the triangle.

A, B, C are the angles opposite to sides a, b, c, respectively.

Let's calculate the length of side AC (a) using the law of sines:

a/sin(A) = b/sin(B) = c/sin(C)

a/sin(45°) = b/sin(75°) = c/sin(60°)

a/√(2) = b/sin(75°) = c/sin(60°)

Now, we know that b < a and c < a because angle B is the largest angle. So, to find the value of a, we need to solve for it.

a = √(2) * b and a = (√(3)/2) * c

Now, we have three sides in terms of one variable (a, b, and c), and we know that a > b and a > c. Therefore, line segment AC (side a) is the longest side of triangle ABC.

To know more about triangle:

https://brainly.com/question/2773823

#SPJ2

The complete question is:

A is 75 degrees, and angle B A C is 60 degrees. Since angle B is the largest angle, Line segment A C is the ________ side. adjacent included longest shortest

Solve the following equation and explain each step using apropriate Properties
5(4x-3)-18=7

Answers

Answer:

x=2

Step-by-step explanation:

5(4x - 3) - 18 = 7

20x - 15 - 18 = 7 distributive property

20x - 33 = 7 communitive property

20x = 40

-------------

x=2

For what value of k does the equation 5x – 32 = kx + 3 have no solution?

Answers

Step-by-step explanation:

5x - 32 = kx + 3

(5 - k)x = 35

This equation fails when (5 - k) = 0, or k = 5.

Brand A: $5 for 80 pounds of sand Brand B: $14 for 175 pound bag Which is the better buy?

Answers

Answer:

Brand A is the better buy

Step-by-step explanation:

bag Which is the better buy?

Step one

Brand A: $5 for 80 pounds of sand

Let us find the unit cost

Unit cost =5/80

=$0.0625 per pound

Brand B: $14 for 175 pound

The unit cost is

=14/175

=$0.08 per pound

if x=2+√3,then find the value of x-1/x

Answers

A :-) x = 2+_/3
x-1/x = 1/2+_/3
( rationalize the denominator )
x-1/x = 1/2+_/3 x 2 -_/3/2 - _/3
[ ( a + b ) ( a - b ) = a^2 -b^2 ]
x-1/x = 2 - _/3/( 2 )^2 - ( _/3 )^2
x-1/x = 2 - _/3/4 - 3
x-1/x = 2 - _/3/1
x-1/x = 2 - _/3
x-1/x = ( 2+_/3 ) ( 2 - _/3 )
x -1/x = ( 2 )^2 - ( _/3 )^2
( x = 2+_/3 )
x-1/x = 4 - 3
x-1/x = 1

.:. The value of x-1/x is 1 .

100 and brainliest if you tell me ur favorite anime :]

Answers

Answer:

my fav anime is naruto :)

Step-by-step explanation:

Answer:

naruto and MHA

Step-by-step explanation:

What is the balance after 15 years in a savings account that earns 2 % interest compounded bimonthly when the
initial deposit is $1000?
$1300.50
$1020.11
O $1012.52
$1348.07

Answers

the answer is d =$1348.07

What is 60,000+3,000+20+9 in standard form?

Answers

60,000 + 3,000 + 20 + 9

= 63,000 + 29

= 63,029.

Answer: 63,029

Hope this helps have A wonderful Christmas

Step-by-step explanation:

help please. marked brainliest 15 points!!!!!

Answers

Answer:

SAS or side-angle-side because there are two congruent sides with a congruent angle between them

Step-by-step explanation:

I think it is SSS triangle congruence because if the three sides of a single triangle are congruent to the three sides of another triangle, then the triangles are congruent.

t-5 for t=7 solve for t

Answers

Answer:

Step-by-step explanation:

7-5 is equal to 2

Answer:

Step-by-step explanation:

Solve the system by substitution 2x-y=39 and -6y=x

Answers

Answer:

x=18,y=-3

Step-by-step explanation:

Plug in -6y for x
2(-6y) - y = 39
-12y - y = 39
-13y = 39, y = -3
Plug into second equation
-6(-3) = x, x = 18
Answer: x = 18, y = -3

What 3/4 x 5/8 in fraction

Answers

Answer: Hi! 15/32, I think!

Answer:

15/32

Step-by-step explanation:

2/5k - 3 1/2. K= 15
EVALUATE

Answers

Exact form
K=-150\31

Answer:

Solving the expression: [tex]\frac{2}{5}K-3\frac{1}{2}K =15[/tex] we get [tex]\mathbf{K=\frac{-150}{31} \ or \ \ K=-4\frac{26}{31} }[/tex]

Step-by-step explanation:

We need to solve the expression: [tex]\frac{2}{5}K-3\frac{1}{2}K =15[/tex] and find value of k

Solving:

[tex]\frac{2}{5}K-3\frac{1}{2}K =15[/tex]

Convert mixed fraction into improper fraction

[tex]\frac{2}{5}K-\frac{7}{2}K =15[/tex]

Taking LCM of 5 and 2 we get 10

[tex]\frac{2*2K-7*5K}{10} =15\\\frac{4K-35K}{10} =15\\\frac{-31K}{10} =15[/tex]

Divide both sides by -31/10

[tex]\frac{-31K}{10}*\frac{-10}{31}=15* \frac{-10}{31}\\K=\frac{-150}{31} \\K=-4\frac{26}{31}[/tex]

So, solving the expression: [tex]\frac{2}{5}K-3\frac{1}{2}K =15[/tex] we get [tex]\mathbf{K=\frac{-150}{31} \ or \ \ K=-4\frac{26}{31} }[/tex]

Lashonda started to run on a treadmil, after setting it's timer for 64 minutes, The display states that she has finnished 68% of her run, how many minutes have gone by?

Answers

Step-by-step explanation:

It is 64*0.32=20.48 minutes or 20.5 minutes.

Answer:

43.52

Step-by-step explanation:

first you have to multiply the amount of time in all by the percent she has done. then after that you divide by 100.

The commission on the sale of a property is 4.5% of the value. What is the commission on the sale of a property that has a value of $19,500.

Answers

Answer:

$877.50

Step-by-step explanation:

1. Multiply the value by the percentage.

19,500 x 4.5% = $877.50

This is the amount of the commission.

Solve the system using linear combinations.
–5x + y = 1
9x – 2y = 4

Answers

Multiply first equation with 2. Then add first and second, we get -x=6. X=-6 and y=-29

Answer:

(-6, -29)

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets Parenthesis Exponents Multiplication Division Addition Subtraction Left to Right

Equality Properties

Algebra I

Solving systems of equations using substitution/elimination

Step-by-step explanation:

Step 1: Define Systems

-5x + y = 1

9x - 2y = 4

Step 2: Rewrite Systems

-5x + y = 1

Add 5x on both sides: y = 5x + 1

Step 3: Redefine Systems

y = 5x + 1

9x - 2y = 4

Step 4: Solve for x

Substitution

Substitute in y: 9x - 2(5x + 1) = 4Distribute -2: 9x - 10x - 2 = 4Combine like terms: -x - 2 = 4Isolate x term: -x = 6Isolate x: x = -6

Step 5: Solve for y

Define equation: -5x + y = 1Substitute in x: -5(-6) + y = 1Multiply: 30 + y = 1Isolate y: y = -29

what ordered pair is a solution to the equation y= -2/3x + 9?
(-3/2, 10), (0, 10), (-1, 10 2/3), (2/3, 10)

Answers

Answer:

(-3/2, 10)

Step-by-step explanation:

(x, y)

Set y = 10

10 = -2/3(x) + 9

x = -3/2

(-3/2, 10)

Set y = 10 2/3

10 2/3 = -2/3(x) + 9

x = -5/2

(-5/2, 10 2/3)

You can also plot the line and see which point is on the line which would be (-3/2, 10).

The ordered pair that represents the solution to y= -2/3x + 9 is: A. (-3/2, 10)

Recall:

An ordered pair, (x, y) is a solution to a given equation if we plug the x and y values of the ordered pair and the equation remains TRUE.

Thus, plug in the ordered pair, (-3/2, 10) into y= -2/3x + 9:

10 = -2/3(-3/2) + 9

Simplify

10 = 1 + 9

10 = 10 (TRUE)

Therefore, the ordered pair that represents the solution to y= -2/3x + 9 is: A. (-3/2, 10)

Learn more about solution to an equation on:

https://brainly.com/question/15523338

hi i need help for this question, what's the slope for this

Answers

Answer:

sorry for being late :P

Step-by-step explanation:

slope = rise / run

by inspection of the graph.. it looks like the line goes over 2 units and then up one unit so 1/2.... and b/c it's going up... like up hill.. it's positive...

+ 1/2 is the slope

please help!!!!!!!!!!!!!!!!!!!!!!!!

Answers

Answer:

54.5

Step-by-step explanation:

A banquet room is being carpeted. A floor plan of the room is shown.

The carpet costs $0.50 per millimeter. How much will it cost to carpet the room? Use 3.14 for LaTeX: \piπ .Round your answer no the nearest cent.

Answers

Answer: 144.84

Step-by-step explanation:

a giraffe is 16 feet tall and casts a shadow of 24 feet. if Dustin casts a shadow of 9 3/5 feet how tall is he?

Answers

Answer:

12.4 feet

Proportion of giraffe's height vs the height of its shadow = 16/24 = 2/3

If Dustin's height is x feet tall, then the proportion of his height and the height of his shadow (93/5 feet)should be the same as that of the giraffe, which is 2/3

so,

x/93/5 = 2/3

Multiplying both sides with 93/5

x = 2/3 * 93/5

x = 62/5 =12.4

Help please and Thankyou

a) A square with sides of length 8 units, sits on a graph with is lower left hand corner at the origin. This square is translated 5 units up,and 7 units left. What are the coordinates of the upper right hand corner after translation.

b) Explain

Answers

Answer: not correct reset an-[ERROR]

Step-by-step explanation:

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The graph below shows a system of equations: The x-coordinate of the solution to the system of equations is

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The graph below shows a system of equations:

The x-coordinate of the solution to the system of equations is