What is the image point of (-12, —8) after the transformation R270 oD ?

What Is The Image Point Of (-12, 8) After The Transformation R270 OD ?

Answers

Answer 1

Answer

(-12, -8) after R270°.D¼ becomes (-2, 3)

Explanation

The first operation represented by R270° indicates a rotation of 270° counterclockwise about the origin.

When a rotation of 270° counterclockwise about the origin is done on some coordinate, A (x, y), it transforms this coordinates into A' (y, -x). That is, we switch y and x, then add negative sign to x.

Then, the second operation, represents a dilation of the coordinate about the origin by a scale factor of ¼ given.

The coordinates to start with is (-12, -8)

R270° changes A (x, y) into A' (y, -x)

So,

(-12, -8) = (-8, 12)

Then, the second operation dilates the new coordinates obtained after the first operation by ¼

changes A (x, y) into A' (¼x, ¼y)

So,

(-8, 12) = [¼(-8), ¼(12)] = (-2, 3)

Hope this Helps!!!


Related Questions

drag the tiles to the correct boxes to complete the pairs not others will be used

Answers

The general form of the equation of a line is:

y=mx+b

Where m is the slope of the line and b is the intercept with the y axis.

Since the intercept is the point where the line intersects the y-axis, if a line goes through the origin, then is intercept equals 0, b = 0, which is the case for the first and last line, then, their equation looks like this:

y=mx

When the slope (m) is a positive number, the line goes up as x increases, when the slope (m) is negative, the line goes down as x increases, then the equation of the first line must be: y=x and y= -x for the last line.

For the second line, we can see that it crosses he axis at y= -3, then its intercept equals -3, that's why the equation of this line is y = x - 3

geometry extra credit- 25 questions

Answers

Given that the triangles are similar, then their corresponding sides are in proportion, that is,

[tex]\frac{AB}{JK}=\frac{BX}{KY}[/tex]

Substituting with data and solving for BX:

[tex]\begin{gathered} \frac{32}{10}=\frac{BX}{6} \\ 3.2=\frac{BX}{6} \\ \text{3}.2\cdot6=BX \\ 19.2=BX \end{gathered}[/tex]

ill send a pic of the question :) plsss help me

Answers

We have the next information

4 cups of water

1 cup lemon concentrate

in total, we have 5 cups of lemonade

5 ----- 100%

1 ------ x

x is the percentage of lemon concentrate

[tex]x=\frac{100}{5}=20[/tex]

the percentage of lemon concentrate in the lemonade is 20%

HELP PLS A line includes the points (9,10) and (6,9). What is its equation in point-slope form?
Use one of the specified points in your equation. Write your answer using integers, proper fractions, and improper fractions. Simplify all fractions.

Answers

Answer:

[tex]y-10=\dfrac{1}{3}(x-9)[/tex]

Step-by-step explanation:

[tex]\boxed{\begin{minipage}{4.4cm}\underline{Slope Formula}\\\\Slope $(m)=\dfrac{y_2-y_1}{x_2-x_1}$\\\\where $(x_1,y_1)$ and $(x_2,y_2)$ \\are two points on the line.\\\end{minipage}}[/tex]

To find the equation of a line that passes through two given points, first find its slope by substituting the given points into the slope formula.

Define the points:

(x₁, y₁) = (9, 10)(x₂, y₂) = (6, 9)

Substitute the points into the slope formula:

[tex]\implies m=\dfrac{9-10}{6-9}=\dfrac{-1}{-3}=\dfrac{1}{3}[/tex]

Therefore, the slope of the line is ¹/₃.

[tex]\boxed{\begin{minipage}{5.8 cm}\underline{Point-slope form of a linear equation}\\\\$y-y_1=m(x-x_1)$\\\\where:\\ \phantom{ww}$\bullet$ $m$ is the slope. \\ \phantom{ww}$\bullet$ $(x_1,y_1)$ is a point on the line.\\\end{minipage}}[/tex]

To find the equation in point-slope form, simply substitute the found slope and one of the given points into the point-slope formula:

[tex]\implies y-10=\dfrac{1}{3}(x-9)[/tex]

The following triangles are not similar. Determine the ratio between AMCD and AOLN. Howcould you change the measurement(s) to make them similar?

Answers

The ratio between MD and DC IS

[tex]\frac{MD}{DC}=\frac{14}{6}=\frac{7}{3}[/tex]

The ratio of ON to LN

[tex]\frac{ON}{LN}=\frac{49}{21}=\frac{7}{3}[/tex]

The ratio CM to CD

[tex]\frac{CM}{CD}=\frac{12}{6}=\frac{2}{1}[/tex]

The ratio of OL to LN

[tex]\frac{OL}{LN}=\frac{40}{21}[/tex]

To make the

Which graph represents the table below?

Answers

Answer:

The answer will be D because you have to look very close and make sure the 1 is on the x-intercept and not the y-intercept.

Figure L is the result of a transformation on Figure K. Which transformation would accomplish this? FigureL Figurek 5 4 2 2 -4

Answers

Answer is the first option, a reflection over the y-axis

2(3 + v) =

Please help solve this problem and thank you

Answers

Answer:

6 +2v

Step-by-step explanation:

This is distributive property. That means you will multiply each term inside the parentheses by the term on the outside of the parentheses.

2(3 + v)

2(3) + 2(v)

6 +2v

Answer: 6+2v

!!!!!!!!!

(06.03 MC) Use the expression 5(6 + 4x) to answer the following: Part A: Describe the two factors in this expression. (4 points) Part B: How many terms are in each factor of this expression? Part C: What is the coefficient of the variable term? (2 points)

Answers

In this case, we'll have to carry out several steps to find the solution.

Step 01:

Data

Expression:

5(6 + 4x)

Step 02:

5(6 + 4x)

A.

5 = factor 1

(6 + 4x) = factor 2

B.

5 = factor 1 ( 1 term)

(6 + 4x) = factor 2 (2 terms)

C.

variable term: 4x

coefficient = 4

That is the full solution.

Basically, the question is asking to solve a problem about rectangular prisms. It says the the shape of one box, with (h) height in feet, has a volume defined by the function:V(h) = h (h-5)(h-6)It says to graph the function. What is the maximum volume for the domain 0

Answers

The function representing the volume of the rectangular prism is given to be:

[tex]V(h)=h(h-5)(h-6)[/tex]

Since we are expected to find the volume using the graph, we can prepare a table of values for the function using values of h as integers from 1 - 5, such that:

[tex]\begin{gathered} At\text{ }h=1 \\ V(1)=1(1-5)(1-6)=-4\times-5=20 \end{gathered}[/tex]

The completed table is shown below:

Hence, we can plot these points on a graph using a graphing calculator for ease of work. This is shown below:

The maximum volume of the prism is represented by the highest point on the graph. The graph's highest point is at:

[tex]h=1.811[/tex]

The corresponding value for the volume as can be seen on the graph is:

[tex]V=24.193[/tex]

This is the maximum volume of the prism.

To the nearest cubic foot, the maximum volume of the rectangular prism is 24 cubic feet.

A population grows according to an exponential growth model. The initial population is 224 and the population after one year is 263. Complete the formula where P is the population and n is the number of years.: P=224*(___)n
Round your answer to three decimal places.

Answers

The equation of the population function is is P = 224(1.17)ⁿ

How to complete the equation?

From the question, the given parameters are:

Initial population = 224Population after one year = 263

The above parameters imply that the rate of change of the population every year is

Rate = Population after one year/Initial population

Substitute the known values in the above equation

So, we have

Rate = 263/224

Evaluate the quotient

Rate = 1.17

The exponential function can be represented as

P = Initial population * (Rate)ⁿ

So, we have

P = 224(1.17)ⁿ

Hence, the complete equation is P = 224(1.17)ⁿ

Read more about exponential function at

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The required rate of the increase in the population is 17% and the equation is fulfilled as P = 224 (1.17)ⁿ.

As per the question, the population of the 2 years are given as 224 and the preceding year's population is 263 and equation is illustrated the exponential growth is given as P = 224(__)ⁿ. The blank space in the equation is to be filled.

what is an exponential function?

The function which is in format f(x) =aˣ where a is constant and x is variable,  the domain of this exponential function lies   (-∞, ∞).

Here,
The given function of the population is incomplete as rate of growth is missing, So,
The rate is given as,
Rate = 263 - 224 / 224
Rate = 0.17 or 17%
Growth  = 1 + 0.17 = 1.17
now, put this growth rate in the blank space.
So,
P =  224 (1.17)ⁿ

Thus, the required rate of the increase in the population is 17% and the equation is fulfilled as P = 224 (1.17)ⁿ.

learn more about exponential function here:

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Does the relation in the table represent direct variation, inverse variation, or neither? If it is direct or inverse variation, write an equation to represent the relation. Explain your answer.See image

Answers

Statement Problem: Does the relation in the table represent direct variation, inverse variation, or neither? If it is direct or inverse variation, write an equation to represent the relation. Explain your answer.

Solution;

We observe that as the value of x is increasing, the value of y is decreasing. Hence, it has a feature of an inverse variation.

When two variables are inversely related;

[tex]\begin{gathered} x\propto\frac{1}{y} \\ x=\frac{k}{y} \end{gathered}[/tex]

But;

[tex]x=5,y=2[/tex]

Thus, we have;

[tex]\begin{gathered} x=\frac{k}{y} \\ 5=\frac{k}{2} \\ k=5\times2 \\ k=10 \end{gathered}[/tex]

Thus, the equation to represent the information is;

[tex]\begin{gathered} x=\frac{k}{y} \\ \text{Put the value of k in the equation;} \\ x=\frac{10}{y} \end{gathered}[/tex]

The equation to represent the information is;

[tex]x=\frac{10}{y}[/tex]

Factor 12x² + 19x - 21.O (6x + 7)(2x − 3)—O (4x - 3)(3x + 7)O(6x-7)(2x + 3)(4x + 3)(3x7)

Answers

given the expression

[tex]12x^2+19x-21[/tex]

we are loking 2 numbers whose multiplication is equal to 12

and other 2 number whose multiplication is equal to 21

the sum of the cross multiplication is equal of 19, as follows

[tex](4x*3x)+((4x*7)+(3x*-3))+(-3*7)[/tex]

factor is

[tex]\left(4x-3\right)\left(3x+7\right)[/tex]

correct answer option B

Which graph represents an exponential function

This is algebra two graphing exponential functions

Answers

Answer: The Curved Line on Top

Step-by-step explanation: A positive-valued function of a real variable. So the top one

Just learned about this in Algebra 1 about 4 days ago.

Do the side measures 35 mm, 53 mm and 70 mm create a triangle?Yes, there are infinitely many triangles that can be created.No, it is impossible to create a triangle with the given measures.Yes, there is a unique triangle that can be created.Yes, there are two triangles that can be created.

Answers

Hello!

Let's call these sides a, b, and c:

• a = 35mm

,

• b = 53mm

,

• c = 70mm

To be a triangle, it must satisfy the existence condition of triangles, that is:

Let's check each of them:

[tex]\begin{gathered} |b-c|

Answer:

Yes! There are infinitely many triangles that can be created.

Calculate the area of the circle. Round decimal answer to the nearest tenth.

Answers

Give the radius of a circle, r, we can find its area by using:

[tex]A=\pi r^2[/tex]

In the picture, the 30 ft segment passes from on side of the circle to the other passing thourhg tht center, so it is the diameter. The radius is half the diameter, so:

[tex]r=\frac{30}{2}=15[/tex]

Now, we can use the formula for the area to find it:

[tex]A=\pi(15)^2=3.14159\ldots\cdot225=706.8583\ldots\cong706.9[/tex]

So, the area is approximately 706.9 ft².

lana 15:02If two events A and B are independent and you know that P(A) = 0.3, what is the value of P(A|B)?

Answers

Since the events are independent, we have the following property:

[tex]P(A)=P(A|B)[/tex]

That is, the probability of A is the same as the probability of A given B (since the events are independent, event B does not affect event A).

So, if P(A) = 0.3, therefore P(A|B) is also equal to 0.3.

Graph the line that has an x-intercept of (-1,0) and a y-intercept of (0,5). What is the slope of this line?

Answers

Answer:

The slope is 5.

Step-by-step explanation:

To solve this, you could have plotted the two points, drew a line between them, and then calculated the slope by counting on the graph the line's rise/run.

To slove this by finding the slope with the points:

(5 - 0) / (0 - - 1) = 5 / 1 = 5

The slope is 5

BK has endpoints B(1,4) and K(4, -3). Rotate BK clockwise 270 degrees about the ongin. Part A: Write an algebraic description of the transformation of BK. Part B: What are the endpoints of the new line segmente

Answers

B ( 1, 4)

K (4, -3)

We plot the points and after that, calculate their angles, then we measure 270 clockwise to calculate the new points.

The endpoints of the new segment are

B' = (-4.5, 1)

K' = (3, 4)

These are the points of the new segment


In a test of a sex-selection technique, results consisted of 284 female babies and 15 male babies. Based on this result, what is the probability of a female being born to
a couple using this technique? Does it appear that the technique is effective in increasing the likelihood that a baby will be a female?
The probability that a female will be born using this technique is approximately
(Type an integer or decimal rounded to three decimal places as needed.)
Does the technique appear effective in improving the likelihood of having a female baby?
O No
O Yes

Answers

The probability of the girl being born to a couple is 0.949. Yes, it is effective in increasing the likelihood that the baby will be a girl as the number of girls is more than the number of boys.

What is probability?

Probability means possibility. The value of probability can only be from 0 to 1. Its basic meaning is something is likely to happen. It is the ratio of the favorable event to the total number of events.

Given

In a test of sex-selection technique, results consisted of 284 female babies and 15 baby boys.

Total children = 284 + 15 = 299

The probability of the girl being born to a couple will be

[tex]P = \frac{284}{299}[/tex]

P = 0.9498

Thus, the probability of the girl being born to a couple is 0.9498.

Yes, it is effective in increasing the likelihood that the baby will be a girl as the number of girls is more than the number of boys.

To learn more about the probability link is given below.

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To the nearest whole foot, how many feet would it be to walk diagonally across this field? A. 42B. 50C. 65D. None of the above

Answers

[tex]\begin{gathered} d=\sqrt[]{50^2+(6x)^2} \\ d=\sqrt[]{2500+36x^2} \\ x=1 \\ d=\sqrt[]{2536} \\ d=50ft \end{gathered}[/tex]

PLS HELP!!! Ill give 20 points!!!

Answers

Answer:

Step-by-step explanation:

22.57 cm inches are the net weight of the slope

Columbia Mirror and Glass pays Janet Murphy a $1120 monthly salary plus a 14% commission on merchandise she sells each month. Assume Janet's sales were $94,100 for last month. Calculate the following amounts: 1. Amount of Commission: Х ? SUD si 2. Gross Pay:

Answers

Monthly salary = $1120

Comission percentage = 14%

Janet's sales = $94,100

1. Amount of commission

Multiply the sales amount (94,100) by the Commission percentage in decimal form (divided by 100).

94,100 x (14/100) =

94,100 x 0.14 = $13,174

2. Gross pay

Add the amount of commission and the monthly salary:

13,174+1120 = $14,294

ZA and ZB are supplementary angles. If mZA= (8x – 27) and m ZB = (4x + 3), then find the measure of ZA.

Answers

Supplementary angles sum up to 180 degrees.

Since mZA and mZB are given to be (8x - 27) and (4x + 3) respectively, we need to know the value of x to be able to find

Supplementary angles sum up to 180 degrees.

Since mZA and mZB are given to be (8x - 27) and (4x + 3) respectively, we need to know the value of x to be able to find

Evaluate.

34+(12+14)2⋅2

Enter your answer as a mixed number in simplest form by filling in the boxes.

Answers

Answer:

=1.875

Step-by-step explanation:

Add: 1/

2

+ 1/

4

= 1 · 2/

2 · 2

+ 1/

4

= 2/

4

+ 1/

4

= 2 + 1/

4

= 3/

4

It is suitable to adjust both fractions to a common (equal, identical) denominator for adding, subtracting, and comparing fractions. The common denominator you can calculate as the least common multiple of both denominators - LCM(2, 4) = 4. In practice, it is enough to find the common denominator (not necessarily the lowest) by multiplying the denominators: 2 × 4 = 8. In the following intermediate step, it cannot further simplify the fraction result by canceling.

In other words - one half plus one quarter is three quarters.

Exponentiation:  No. 1 ^ 2 = 3/

4

^ 2 = 32/

42

= 9/

16

In other words - three quarters raised to the power of squared is nine sixteenths.

Multiple: No. 2 * 2 = 9/

16

* 2 = 9 · 2/

16 · 1

= 18/

16

= 9 · 2/

8 · 2

= 9/

8

Multiply both numerators and denominators. Result fraction keep to lowest possible denominator GCD(18, 16) = 2. In the following intermediate step, cancel by a common factor of 2 gives 9/

8

.

In other words - nine sixteenths multiplied by two is nine eighths.

Add: 3/

4

+ the result of step No. 3 = 3/

4

+ 9/

8

= 3 · 2/

4 · 2

+ 9/

8

= 6/

8

+ 9/

8

= 6 + 9/

8

= 15/

8

It is suitable to adjust both fractions to a common (equal, identical) denominator for adding, subtracting, and comparing fractions. The common denominator you can calculate as the least common multiple of both denominators

Given ARPMAYC. complete each of the following statementsAYC9) AMPKAYAa) A d) 4YEb) CYe) EKc) PAZACYh) Al Aca

Answers

The triangles KMP and AYC, are congruent angles, because we are told that:

[tex]\text{KMP}\cong AYC[/tex]

Thus, to find our answers we compare both triangles.

a) KM is approximately equal to AC.

That is because, as we can see in the following image, they are corresponding sides:

[tex]KM\cong AC[/tex]

b) CY is approximately equal to MP.

That is because they are corresponding sides, they are the short side of each triangle. And since the triangles are equal, CY and MP are also equal:

[tex]CY\cong MP[/tex]

c) for the same reasons as the previous two, PK anf AY, are corresponding sides:

[tex]PK\cong AY[/tex]

d) and e)

The corresponding angles of Y and K are represented in the following image:

rrespon

I need help answering this question The other values of x are 8 and 13

Answers

Answer:

Explanations:

Given the modulus function expressed as:

[tex]y=|x-8|[/tex]

Since the function is a modulus function, the dependent variables "y" will all be a positive value

Using the values of x to be -5, 8, and 13 to determine the ordered pairs

When x = -5

y = |-5 - 8|

y = |-13|

y = 13

The first ordered pair will be (-5, 13)

If x = 8

y = |8 - 8|

y = |0|

y = 0

The second ordered pair will be (8, 0)

If x = 13

y = |13 - 8|

y = |5|

y = 5

The third ordered pair will be at (13, 5)

The graph of the function is as shown below:

If triangular pyramid P and triangular pyramid D are similar, which of the following statements must be true?

Answers

When two figures are similar, the relation or proportion between same measures is the same. So answer is option d.

4j+2=h solve for j please help

Answers

To solve for j'

4j + 2 = h

subtract 2 from both-side of the equation

4j + 2-2 = h -2

4j = h-2

divide both-side of the equation by 4

4j/4 = h-2/4

[tex]j=\frac{h-2}{4}[/tex]

The Wong family and the Nguyen family each used their sprinklers last summer. The water output rate for the Wong familys sprinkler was 35 L per hour. The water output for the Nguyen familys sprinkler was 20 L per hour. The families used their spirit for a combined total of 75 hours, resulting in a total water output of 2100 L. How long was each sprinkler used?

Answers

Let W be the time of the wong family and N the time of the Nguyen family. We are told that the output rate of the Wong family is 35 L/h and the output for the Nguyen family is 20 L/h, if the total water output is 2100 L, then we can write this mathematically as:

[tex]35W+20N=2100,(1)[/tex]

Where "35W" is the total water output of the wong family and "20N" is the total water output of the Nguyen family. The two outputs combined must be 2100. We are also told that the total time is 75 hours, therefore we have:

[tex]W+N=75,(2)[/tex]

We get a system of two equations and two variables. We can solve for "W" in equation (2), by subtracting "N" from both sides:

[tex]W=75-N[/tex]

Now we can replace this value in equation (1):

[tex]35(75-N)+20N=2100[/tex]

Now we apply the distributive property:

[tex]2625-35N+20N=2100[/tex]

Now we add like terms;

[tex]2625-15N=2100[/tex]

Now we subtract 2625 from both sides:

[tex]\begin{gathered} -15N=2100-2625 \\ -15N=-525 \end{gathered}[/tex]

Now we divide both sides by 15:

[tex]N=-\frac{525}{-15}=35[/tex]

Now we replace this value in equation (2) where we already solved for W:

[tex]\begin{gathered} W=75-35 \\ W=40 \end{gathered}[/tex]

Therefore, the time for the Wong family is 40 hours and the Nguyen family is 35 hours.

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