What is the equation of the line in standard form? (-1,-4) (2,2)

Answers

Answer 1
To solve this, you need to use the slope formula which is (y2-y1)/(x2-x1).
When you set it up, it should look something like this: (2-(-4))/(2-(-1)) which would simplify to 6/3 which would simplify to 2. This only finds your slope, however. Now that you know your slope, you can start by first setting up you equation in slope intercept form which should be in this format: y=mx+b
Since you already know the slope (m) and the x and y values (you can use either coordinate, I'm just using (2,2)) your equation would look something like this: 2=2(2)+b. After this, you solve for b which happens to be -2, making your slope intercept equation: y=2x-2. 

Now you can convert to standard form. In standard form, you have to have the equation in this format: ax+by=c where there cannot be decimals, fractions, and everything needs to already have the greatest common factor taken out. When you do this, you first need to subtract over 2x which makes the equation look like this: -2x+y=-2. However, ax cannot be negative, so you multiply your entire equation by -1. You then get your answer: 2x-y=2


Related Questions

Prove that the sum of three consecutive positive integers is divisible by 3

Answers

[tex]n+n+1+n+2=3n+3=3(n+1)[/tex]

Televisions are on sale for 85% of the original price of $499. what is the sale price?

Answers

the sale price is $424.15

What are the real and imaginary parts of the complex number?

-6-i

Answers

real part= - 6
imaginary part=-i 

Answer:

Real part: -6

Imaginary part: -1

Step-by-step explanation:

A complex number is a number that has a real part and an imaginary part. These numbers usually are represented in the form a + bi where a and b are real numbers and b is the imaginary part (i is actually the solution to the equation [tex]x^{2} +1=0[/tex] or x²=-1 which has no roots in the real numbers and therefore we call the solution √-1=i)

Now, proceeding to the complex number you wrote, if we write it as a + bi we would have a = -6 b = -1

Therefore the real part is a = -6 and the imaginary part would be -1.

Julia knows 19 Latin words. Each day, she learns 6 new words, How many day until she knows 145 words.
ANSWER CHOICES
A:20
B:21
C:22
D:23

Answers

145 -19 = 126

 she needs to learn 126 more words

 divide 126 by 6 to find number of days

126 / 6 = 21

 it will take 21 days, Answer is B

Please help

solve 4x-9=k for x

Answers

4x-9=k
4x=k+9
Divide by 4 to isolate the x
x=(1/4)k+(9/4)
x=1/4 k+ 9/4

Hope this helps!

Answer:

The value of x is [tex]\frac{k+9}{4}[/tex]

Step-by-step explanation:

 Given : equation 4x - 9 = k

We have to find the value of x.

Consider the given equation  4x - 9 = k

Adding 9 both sides, we have,

4x = k + 9

Divide both side by 4, we have,

[tex]x=\frac{k+9}{4}[/tex]

Thus, The value of x is [tex]\frac{k+9}{4}[/tex]

Which pair of equations represents perpendicular lines?
a. y=2x-7, y=-0.5x-7
b. y=2x+7, y=2x-7
c. y=2x+7, y=x+7
d. y=2x+7, y=-2x-2

Answers

Perpendicular lines have a slope that is = to the negative reciprocal.

So a slope of 2 and the other would be -1/2 so
A)

the answer would be A because if you graph those equations they are perpindicular. They cross eachother like a t

An equation is shown
Y=1/2x+3/4

Select all the points that are contained in the graph of the equation

Answers

e is the only answer 

Name a pair of vertical angles, a straight angle, and two scute angles other than

Answers

Answer:

∠GEN and ∠FED, ∠GEF and ∠DEN are few of the vertical angles.

∠ENM and ∠NKP, ∠HKC and ∠ADE are few of the straight angles.

∠GEN and ∠FED, ∠JNM and ∠EHK are few of the acute angles.

Step-by-step explanation:

Vertical angles are the angles made by two intersecting lines and they are equal

So,

∠GEN and ∠FED, ∠GEF and ∠DEN are few of the vertical angles.

Straight angles are angles that are 180°

So,

∠ENM and ∠NKP, ∠HKC and ∠ADE are few of the straight angles.

The angles less than 90° are called acute angles

So,

∠GEN and ∠FED, ∠JNM and ∠EHK are few of the acute angles.

∠GEN and ∠FED, ∠GEF and ∠DEN are few of the vertical angles.

∠ENM and ∠NKP, ∠HKC and ∠ADE are few of the straight angles.

∠GEN and ∠FED, ∠JNM and ∠EHK are few of the acute angles.

How to explain the angle

Vertical angles are the angles made by two intersecting lines and they are equal, ∠GEN and ∠FED, ∠GEF and ∠DEN are few of the vertical angles.

Straight angles are angles that are 180° ∠ENM and ∠NKP, ∠HKC and ∠ADE are few of the straight angles.

The angles less than 90° are called acute angles∠GEN and ∠FED, ∠JNM and ∠EHK are few of the acute angles.

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A triangle has angles that measure 120°, 39°, and 21°. what kind of triangle is it?

Answers

A triangle with angles that measure 120°, 39°, and 21° is an obtuse triangle.

The student has asked about the classification of a triangle with angles that measure 120°, 39°, and 21°. Based on Euclidean geometry, the sum of the angles in any plane triangle is 180°. A triangle with one angle that measures more than 90° is an obtuse triangle, as it has one obtuse angle. Therefore, this triangle, with a 120° angle, is classified as an obtuse triangle.

If l || m, what is the value of x?

Answers

They exist on the same plane meaning the two together must add up to 180. So we set (x+72)+3x = 180. Adding like terms you get 4x +72 = 180. Subtract 72 on both sides you get 4x = 108. Divide by 4 on both sides you get x = 27. 

D. 27 should be your answer. 

Timothy deposited $2,780.20 in a savings account that earns 4.3% simple interest. What will Timothy’s account balance be in 7 months?

Answers

keeping in mind that, there are 12 months in a year, therefore, 7 months is really just 7/12 of a year.

[tex]\bf \qquad \textit{Simple Interest Earned Amount}\\\\ A=P(1+rt)\qquad \begin{cases} A=\textit{accumulated amount}\\ P=\textit{original amount deposited}\to& \$2780.20\\ r=rate\to 4.3\%\to \frac{4.3}{100}\to &0.043\\ t=years\to &\frac{7}{12} \end{cases} \\\\\\ A=2780.20\left(1+0.043\cdot \frac{7}{12} \right)[/tex]
its in google i had the same question as u once

An exterior angle of an isosceles triangle has measure 130°. Find two possible sets of measures for the angles of the triangle.
If the exterior angle of the bases is 130°​, then the measure of the angle of each base is
--------degrees° and the measure of the vertex is --------
I ALWAYS GIVE BRAINLIEST!! PLZ HELP

Answers

(1) it can be both exterior of vertex or base. 180-130=50°
vertex is 50°:     base=(180-50)/2=65°
base is 50°:       vertex= 180-2*50=80°

vertex 50 base 65; vertex 80, base 50

(2)base=180-130=50°
vertex=180-2*50=80°

base 50 vertex 80

Given that an isosceles triangle has an exterior angle  of its base angle that is 130°​, the two possible sets of angles obtainable in the triangle are:

Base angles: [tex]\mathbf{30^{\circ}}[/tex]Vertex angle: [tex]\mathbf{80^{\circ}}[/tex]

Recall:

An isosceles triangle has two equal base angles and two equal sides.

Thus:

The isosceles triangle has been given in the image attached below to show the possible angle measures we can get.

In figure 1, we see that when the exterior angle of the bases is 130°​, the measure of each of the base angles would be:

[tex]\mathbf{180 - 130 = 50^{\circ}}[/tex]

The vertex angle would be:

[tex]\mathbf{180 - (50 + 50) = 80^{\circ}}[/tex]

Therefore, given that an isosceles triangle has an exterior angle  of its base angle that is 130°​, the two possible sets of angles obtainable in the triangle are:

Base angles: [tex]\mathbf{30^{\circ}}[/tex]Vertex angle: [tex]\mathbf{80^{\circ}}[/tex]

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(-6 -2) (6 r) m=1/4 can you help me solve this equation.

Answers

(-6 -2) (6 r) m = 1/4

If you are solving for r, here it is:

(-8)(6r)m = 1/4

-48rm = 1/4

-192rm = 1

r = -1/192m

If you are solving for m, the answer is

m = -1/192r



Using altitude and hypotenuse to find the area of a right triangle

Answers

First use Pythagoras theorem to find the remaining length of the base.
Then multiply the base with the altitude and divide that by 2 and you'll get the area

50 POINTS

Mei draws three pairs of parallel lines that are each intersected by a third line. In each figure, she measures a pair of angles.

What is a reasonable conjecture for Mei to make by recognizing a pattern and using inductive reasoning?

Answers

answer is second choice (b)
when a pair of parallel lines are intersected by a third line, the alternate interior angles are congruent
Final answer:

A reasonable conjecture for Mei is the Alternate Interior Angles Theorem, which states if a transversal intersects parallel lines, the alternate interior angles are equal.

Explanation:

Based on the scenario, a reasonable conjecture for Mei to make would be, if a transversal intersects parallel lines, then the alternate interior angles are congruent. This statement is known as the Alternate Interior Angles Theorem. In other words, in each of Mei's figures, if the angles she measured are alternate interior angles, they should have the same measurement.

For example, if three pairs of parallel lines are intersected by a third line (called a transversal), a pattern that consistently appears is the equality of the alternate interior angles (angles that are on opposite sides of the transversal and inside the parallel lines). This implies, if the two lines are parallel, then any alternate pair of interior angles are equal.

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The graph of g(x)=(1/2)x is the graph of f(x)=2x reflected over the y-axis. Which graph represents g(x) please help!

Answers

Please put more details in the question 

Answer:

Step-by-step explanation:

A painter is working on a canvas that has a total area of 338 square inches. The canvas is x inches wide and twice as long as it is wide. Find the value of x.

A) 13
B) 18.4
C) 112.7
D) 69

Answers

Answer:

C

Step-by-step explanation:

Area = 338

Width = X

Length = 2x

2x * x = 338

3x = 338

x = 112.7

The value of x from the rectangular shaped canvas box is x = 13 inches

What is the Area of a Rectangle?

The area of the rectangle is given by the product of the length of the rectangle and the width of the rectangle

Area of Rectangle = Length x Width

Given data ,

Let the area of rectangle canvas be A = 338 inches²

Let the width of the canvas = x inches

And , length = 2 x ( width )

Now , the length of the canvas = 2x inches

So , Area of Rectangle = Length x Width

On simplifying , we get

Area of Rectangle = 2x ( x )

Area of Rectangle = 2x²

338 = 2x²

Divide by 2 on both sides , we get

x² = 169

Taking square roots on both sides , we get

x = 13 inches

Hence , the value of x of the canvas is 13 inches

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Francesca typed 496 words in 8 minutes. Which of the following is a correct understanding of this rate?

a. at this rate, it takes 62 minutes for Francesca to type one word

b.at his rate, Fransesca can type 62 words in 8 minutes.

c. at this rate, Fransesca can type 62 words in one minute.

d. at this rate, Fransesca can type 8 words in one minute.

Answers

c is the correct answer :)
c. at this rate, Fransesca can type 62 words in one minute.


You need to buy fertilizer for a circular flower bed with a diameter of 13 feet. If one bag will fertilize 10 square feet, how many bags do you need to buy?

Answers

Final answer:

The area of the flower bed is approximately 132.73 square feet. Each bag of fertilizer covers 10 square feet, so we'd need 13.27 bags. Rounding up, we'll need to buy 14 bags.

Explanation:

The question involves the calculation of the area of a circular flower bed and determining the amount of fertilizer needed for that area. The area of a circle can be calculated using the formula πr², where 'r' (radius) is half of the diameter. In this case, the diameter of the flower bed is 13 feet, so the radius is 13/2 = 6.5 feet. We then square the radius (6.5²) which gives us 42.25 and multiply by π (approximately 3.14), resulting in an area of approximately 132.73 square feet. Given that each bag of fertilizer covers 10 square feet, we would need 13.27 bags of fertilizer. Since we cannot buy a fraction of a bag, we would need to buy 14 bags to fully cover the flower bed.

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If it takes 5 machines 5 minutes to make 5 widgets, how many minutes does it take 500 machines to make 500 widgets?

Answers

this is intelligent test not math test. answer is not 500 minutes but 5 minutes enough to 500 machines make 500 widgets

What system of linear inequalities is shown in the graph?

Answers

u have a dashed line.....it has a y int of 2...it has  slope of 1/3....it is shaded below the line....this inequality is : y < 1/3x + 2

u have a solid line...it has a y int of 2...it has a slope of -2...it is shaded below the line...this inequality is : y < = -2x + 2

Hank's pickup can travel 39 miles on 3 gallons of gas. How many gallons will​ Hank's pickup need to travel 26 ​miles?

Answers

39 miles on 3 gallons = 39 / 3 =
13 miles per gallon
Traveling 26 miles requires (26 / 13) equals
2 gallons of gas.


B is between A and C, D is between B And C, and C is between B and E. AE = 28cm, BC =10cm. AB = DB = DC. what is the length of CE ?

Answers

Final answer:

By using the given lengths of AE and BC, along with the equality of AB, DB, and DC, we can solve for CE to be 14.67cm.

Explanation:

The lengths of AE, BC, AB, DB, and DC are given or can be determined with the information provided. Since AB = DB = DC and BC is given as 10 cm, we can deduce that AB + BC + CE = AE. Given AE is 28cm and BC is 10cm, we can find the length of AB by realizing that AB + AB + AB (which is AB + DB + DC) is the same as BC or 10cm. This makes each section AB, DB, and DC equal to 10cm / 3.

With AB, DB, and DC all being equal to 10cm / 3, and knowing AE is 28cm, we can then calculate the length of CE:

AE = AB + BE (and BE = BC + CE)

28cm = (10cm/3) + (10cm + CE)

To find CE, rearrange the equation:

CE = 28cm - 10cm - (10cm/3)

CE = 28cm - 10cm - 3.33cm

CE = 18cm - 3.33cm

CE = 14.67cm

Final answer:

To solve for the length of CE in a line segment configuration, we calculate CE = AE - BC - DC after determining the lengths of AB, BC, and DC. The solution reveals that CE is 9cm.

Explanation:

The student has a geometry problem, which involves calculating the length of segment CE on a line segment AE. We know that AE = 28cm and BC = 10cm, with AB, DB, and DC being equal in lengths.

Since B is between A and C, and D is between B and C, and C is between B and E, we can write the entire length AE as AB + BC + CE. Because AB = DB = DC, we can substitute DB and DC for AB in the sums to get 2(DB) + BC = 28cm.

We are given that BC = 10cm, so we can set up an equation: 2(DB) + 10cm = 28cm. Solving for DB, we find that DB = 9cm. Since DC is equal to DB, DC is also 9cm. CE can be found by subtracting BC and DC from the total length of AE: CE = AE - BC - DC, so CE = 28cm - 10cm - 9cm, resulting in CE = 9cm.

Mrs. Williams is deciding between two field trips for her class. The Science Center charges $80 plus $5 per student. The Dino Discovery Museum simply charges $7 per student. For how many students will the Science Center charge less than the Dino Discovery Museum charges?

fewer than 40 students
78 or fewer students
78 or more students
more than 40 students

HELP!!

Answers

Well, I know it isn't A (I learned the hard way). I did more calculations and if you make a chart with different values for x (e.g. 39, 41, 77, and 79), 41 is the first number for x when the Science center charges less than the Dino Discovery Museum. So, D - more than 40. 

Answer: More than 40 students

Step-by-step explanation:

Let x be the number of students .

Given : Mrs. Williams is deciding between two field trips for her class. The Science Center charges $80 plus $5 per student.

i.e. Total cost : [tex]80+5x[/tex]          (1)

The Dino Discovery Museum simply charges $7 per student.

i.e. Total cost : [tex]7x[/tex]              (2)

The inequality that shows Science Center charge less than the Dino Discovery Museum charges will be :-

[tex]80+5x<7x[/tex]  

Subtract 5x on both sides , we get

[tex]80<2x[/tex]

Divide both sides by 2 , we get

[tex]40<x[/tex]

Hence, for more than 40 students the Science Center charge will less than the Dino Discovery Museum charges.

tony and sal drove in opposite direction from the same starting point. tony averaged 15 mpg faster then sal. after 5 hours they were 425 miles apart. how fast was each of them driving?

Answers

You meant "15 mph, faster" not "15 mpg faster", right?

distance = speed * time

distance = 425 miles
time = 5 hours
Sal's speed = s
Tony's speed = s + 15

Since they drove in opposite directions, the speed between them is the sum of the speeds.

distance = speed * time
425 = (s + s + 15) * 5
85 = 2s + 15
70 = 2s
s = 35

s is Sal's speed and is 35 mph.
Tony's speed is 15 mph faster, so Tony's speed = 35 mph + 15 mph = 50 mph

Answer:
Sal's speed was 35 mph
Tony's speed was 50 mph

What is the solution to the equation 1.2m − 0.8 = −2.0m?

A.) m= 0.25
B.) m= 0.4
C.) m= 1
D.) m= 4

Answers

m=0.25 so the answer is a
The answer is A. m=0.25

which of the following are necessary when proving the opposite angles of a parallelogram are congruent? Check all that apply.
A) Opposite sides are perpendicular
B) Corresponding parts of similar triangles are similar
C) Opposite sides are congruent
D) Corresponding parts of congruent triangles are congruent

Answers

Answer;Opposite sides are congruent  Corresponding parts of congruent triangles are congruentExplanation;A parallelogram is a quadrilateral that possess two pairs of opposite sides that are equal in length and parallel to each other. Additionally, the diagonals of a parallelogram bisects each other.

The opposite angles of a parallelogram are congruent this can be proved by the fact that;

Opposite sides are congruent  Corresponding parts of congruent triangles are congruent
Final answer:

To prove opposite angles in a parallelogram are congruent, it's necessary to recognize that opposite sides are congruent and use the property that corresponding parts of congruent triangles are congruent.

Explanation:

To prove that the opposite angles of a parallelogram are congruent, it's not necessary that opposite sides be perpendicular. Instead, let's consider the properties that are relevant to this proof:

Opposite sides are congruent (C)Corresponding parts of congruent triangles are congruent (D)

In this case:

Option A is not relevant because a parallelogram does not require opposite sides to be perpendicular; that is a characteristic of a rectangle.Option B refers to similar triangles, which is not necessary for proving the opposite angles are congruent in parallelograms. Similar triangles have proportional sides and identical angles, which is not the focus here.Option C is a defining property of parallelograms and is necessary to help prove that opposite angles are congruent.Option D can be used in the proof if one demonstrates that two triangles within the parallelogram are congruent, therefore their corresponding angles must be congruent; this includes the opposite angles of the parallelogram.

The proper proof would rely on establishing congruent triangles within the parallelogram and then using the property that corresponding parts of congruent triangles are congruent to show that the opposite angles are congruent.

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HELP ME PLS!!!!!!!!!!!!!!!!!!!

Answers

the number inside the parenthesis includes the interest rate ( annual percentage

looking at the possible functions, if you raise the interest rate to the power of 12, you would need to divide the number of years (t) by 12 as well

 so the function could be rewritten as A=1000(1.023^12)^t/12

 since the annual percentage rate is 2.3% ( 0.023)

 divide 0.023/12*100 = 0.19% per month interest


A science test, which is worth 100 points, consists of 24 questions. Each question is worth either 3 points or 5 points. If x is the number of 3-point questions and y is the number of 5-point questions, the system shown represents this situation. x + y = 24 3x + 5y = 100 What does the solution of this system indicate about the questions on the test? The test contains 4 three-point questions and 20 five-point questions. The test contains 10 three-point questions and 14 five-point questions. The test contains 14 three-point questions and 10 five-point questions. The test contains 20 three-point questions and 8 five-point questions.

Answers

You can solve the system of equations.

Multiply the first equation by -3 and add to the second equation.

                    -3x - 3y = -72
                    3x + 5y = 100
(add)     --------------------------
                            2y = 28

y = 14

x + y = 24
x + 14 = 24
x = 10

Answer:
There are 10 3-points questions and 14 5-point questions.

Check: 10 + 14 = 24   There are 24 questions
10 * 3 + 14 * 5 = 30 + 70 = 100   The total number of points is 100.
Our answer is correct.
From looking at the second equation 3x + 5y = 100 you can see that x is the number of 3 point questions, y is the number of 5 points questions.

Use the first equation y + x = 24 to substitute into the second equation. You both equations combined into one equation in one variable.
y = 24 - x
sub 24- x in for y

3x + 5(24-x) = 100
3x + 120 - 5x = 100
-2x = 100 - 120
-2x = -20
x = -20/-2
x = 10

then plug this into ether equation to solve for y.

y + 10 = 24
y = 14

10 three pts questions
14 five pts questions

Are the following figures similar?

yes or no?
Corresponding angles are congruent

Yes or no?
Corresponding sides are proportional

Answers

No because of it is not an idiom
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