Answer:
w=6
w=1
Step-by-step explanation:
Accounting Data Analytics
A) K-Means uses Euclidean distance. How is Euclidean distance between 2 points calculated?
B) What do "Ave Distance", "Max Distance", and "Separation" mean in the output from the cluster analysis (given in the Summary Report of the K-Means Cluster analysis).
C) What is convergence? What does it mean, when the video says there is convergence after 4 iterations? How is the option "Number of starting seeds" related to iterations and convergence?
K-Means uses Euclidean distance. The output includes average and maximum distances, separation, and convergence after iterations related to the number of starting seeds.
In the output of a K-Means cluster analysis, "Ave Distance" refers to the average distance between the data points and their assigned cluster centroids.
"Max Distance" represents the maximum distance between any data point and its assigned centroid. "Separation" indicates the distance between the centroids of different clusters, reflecting how well-separated the clusters are.
Convergence in K-Means clustering refers to the point when the algorithm reaches stability and the cluster assignments no longer change significantly.
When the video mentions convergence after 4 iterations, it means that after four rounds of updating cluster assignments and re-computing centroids, the algorithm has achieved a stable result.
The "Number of starting seeds" option determines how many initial random seeds are used for the algorithm, and it can affect the number of iterations needed for convergence. Increasing the number of starting seeds may result in faster convergence as it explores different initial configurations.
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Write an exponential function in the form y and (2,171). ab that goes through points (0,19)
The exponential function has the following form:
\(y=a\cdot b^x\)The function goes through the points ( 0, 19) and ( 2, 171 )
We will use the points to find the values of a and b
\(\begin{gathered} x=0\rightarrow y=19 \\ \\ 19=a\cdot b^0 \\ b^0=1 \\ a=19 \end{gathered}\)Substitute with the point ( 2, 171 ) and the value of a to find b
\(\begin{gathered} x=2\rightarrow y=171 \\ a=19 \\ \\ 171=19\cdot b^2 \\ \\ b^2=\frac{171}{19}=9 \\ \\ b=\sqrt[]{9}=3 \end{gathered}\)So, the answer will be:
\(y=19\cdot3^x\)3 ratios equivalent to 5 : 2
Answer:
25/10 ,30/12,10/4
Step-by-step explanation:
1) 5/2*5/5
2)5/2*6/6
3)5/2*2/2
say what an irrational number is. Give at least two examples.
Answer:
all square roots of natural numbers, other than of perfect squares, are irrational.
Step-by-step explanation:
like 3 or 71
Answer:
5.12369..... and square root of 15
Step-by-step explanation: the first number is a non terminating non repeating decimal and the square root of 15 is a non perfect square
Explain how to tell which side of a right triangle is adjacent to an angle and which side is the hypotenuse.
Step-by-step explanation:
In the diagram, AB is adjacent to Angle"a", because if we don't consider hypotenuse, it is the only associated segment to the angle.
The segment opposite to the right angle is called Hypotenuse.
The last one, AC segment, is called the Opposite because it is the opposite to Angle"a".
If we look at it from AngleC, however, its Adjcent will be segment AC, and Opposite will be segment AB.
The students at a local art school are excited about the community beautifying project that they are sponsoring at the neighborhood park. The supplies for the project cost the art school $1,500. The students decide to have a fundraiser selling caricatures at the community carnival. For every 5 caricatures sold, it costs the students $3.00 for supplies. The students decide to sell the caricatures for $15.00 each. 1. Complete the following table to find the total number of caricatures sold and the amount of money the group collects for their community beautifying project. Assuming there was a total of 7 customers during the first hour of the carnival, you will need to determine an explicit formula for the number of caricatures sold and the price of the caricatures for the nth customer. a) During the first hour of selling caricatures, each customer buys the same number of caricatures as his customer number. Complete the table attached. Write an explicit formula for the caricatures sold in the first hour. In complete sentences, explain how you derived the explicit formula. c) During the second hour of selling caricatures, the first customer buys 1 caricature, the second customer buys 2 caricatures, the third customer buys 4 caricatures, and the fourth customer buys 8 caricatures, etc. Complete the table based on the pattern established attached. Write an explicit formula for the number of caricatures sold during the second hour. In complete sentences, explain how you derived the explicit formula. 2. Compare the caricatures sold and the amount earned from the caricatures during hour one to that during hour two (use the explicit formulas to make your comparison). 3. Did the art students make enough money in the first two hours of the carnival to pay for the supplies that they need to beautify the local park? Make sure to take
The art students made $420 in the first hour and $1,905 in the second hour, for a total of $2,325. The art students were successful in their fundraising efforts.
a) Here is the completed table:
| Customer | Caricatures Bought | Total Cost |
|----------|--------------------|------------|
| 1 | 1 | $15.00 |
| 2 | 2 | $30.00 |
| 3 | 3 | $45.00 |
| 4 | 4 | $60.00 |
| 5 | 5 | $75.00 |
| 6 | 6 | $90.00 |
| 7 | 7 | $105.00 |
To find the explicit formula for the number of caricatures sold in the first hour, we need to recognize the pattern. Each customer buys the same number of caricatures as his customer number, so the first customer buys 1, the second buys 2, the third buys 3, and so on. Therefore, the formula is:
Caricatures sold = n
where n is the customer number.
c) Here is the completed table:
| Customer | Caricatures Bought | Total Cost |
|----------|--------------------|------------|
| 1 | 1 | $15.00 |
| 2 | 2 | $30.00 |
| 3 | 4 | $60.00 |
| 4 | 8 | $120.00 |
| 5 | 16 | $240.00 |
| 6 | 32 | $480.00 |
| 7 | 64 | $960.00 |
To find the explicit formula for the number of caricatures sold during the second hour, we need to recognize the pattern. Each customer buys twice as many caricatures as the previous customer, starting with 1. Therefore, the formula is:
Caricatures sold = 2^(n-1)
where n is the customer number.
2. Using the explicit formulas, we can compare the caricatures sold and the amount earned during hour one to that during hour two. In the first hour, a total of 28 caricatures were sold for a total of $420. In the second hour, a total of 127 caricatures were sold for a total of $1,905. This shows that the number of caricatures sold and the amount earned increased significantly in the second hour due to the pattern established.
3. The art students made $420 in the first hour and $1,905 in the second hour, for a total of $2,325. This is more than enough to pay for the supplies that they need to beautify the local park, which cost $1,500. Therefore, the art students were successful in their fundraising efforts.
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Marshall spins a prize wheel with 4 segments of equal size, one of which is labeled "winner. "
Let X = the number of spins until Marshall wins a prize.
What is the probability that Marshall wins a prize on his 2nd spin?
Recall: P(X = k) = (1 – p)k–1p
Round to 4 decimal places
The probability that Marshall wins a prize on his second spin = 0.1875
Consider an event X = the number of spins until Marshall wins a prize.
Given that a prize wheel with 4 segments of equal size, one of which is labeled winner.
So, the sample space n = 4
For given event x, the possible outcomes = 1
Using the formula of probability,
p = x/n
p = 1/4
p = 0.25
So, the probability of success p = 0.25
q = 1 - p
q = 1 - 0.25
q = 0.75
To find the probability that Marshall wins a prize on his 2nd spin.
Using formula, \(P(X = k) = (1 - p)^{k-1}p\)
For k = 2,
\(P(X = 2) = (1 - 0.25)^{2-1}\times 0.25\)
P(X = 2) = 0.75 × 0.25
P(X = 2) = 0.1875
Thus, the required probability is 0.1875
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How far from the Centre of a circle of
radius 3 Sem's a chord
Chord 2.sem
long
Answer:
Step-by-step explanation:
length of semichord=2/1=1 cm
\(d=\sqrt{3^2-1^2} =\sqrt{8} =2\sqrt{2}\)
or d≈2.83
Evaluate the integral: S1 0 (-x³ - 2x² - x + 3)dx
The integral: S1 0 (-x³ - 2x² - x + 3)dx is -1/12
An integral is a mathematical operation that calculates the area under a curve or the value of a function at a specific point. It is denoted by the symbol ∫ and is used in calculus to find the total amount of change over an interval.
To evaluate the integral:
\($ \int_0^1 (-x^3 - 2x^2 - x + 3)dx $\)
We can integrate each term of the polynomial separately using the power rule of integration, which states that:
\($ \int x^n dx = \frac{x^{n+1}}{n+1} + C $\)
where C is the constant of integration.
So, we have:
\($ \int_0^1 (-x^3 - 2x^2 - x + 3)dx = \left[-\frac{x^4}{4} - \frac{2x^3}{3} - \frac{x^2}{2} + 3x\right]_0^1 $\)
Now we can substitute the upper limit of integration (1) into the expression, and then subtract the result of substituting the lower limit of integration (0):
\($ \left[-\frac{1^4}{4} - \frac{2(1^3)}{3} - \frac{1^2}{2} + 3(1)\right] - \left[-\frac{0^4}{4} - \frac{2(0^3)}{3} - \frac{0^2}{2} + 3(0)\right] $\)
Simplifying:
\($ = \left[-\frac{1}{4} - \frac{2}{3} - \frac{1}{2} + 3\right] - \left[0\right] $\)
\($ = -\frac{1}{12} $\)
Therefore,
\($ \int_0^1 (-x^3 - 2x^2 - x + 3)dx = -\frac{1}{12} $\)
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1. What is the measure of
Answer:
Step-by-step explanation:
I assume is the measure of the other angle,
90-38=52
you may have found the limit from one side instead of from both sides as notated. how might you consider the limit as x approaches a from both sides?
LHL is equal to RHL then limit exist
LHL is not equal to RHL then limit does not exist.
As per the given data the graph of the function is given
Here we have to determine the limit at the indicated value of a, if it was exists.
You may have found the limit from one side instead of from both sides as notated.
Now we have to find:
\($\lim _{x \rightarrow a} f(x)$\) when a = 1
We find the left hand side limit and the right hand side limit at a = 1
So,
The Left hand limit is \($\lim _{\mathrm{x} \rightarrow 1^{-}} \mathrm{f}(\mathrm{x})=\frac{3}{2}$\)
The Right hand limit is \($\lim _{x \rightarrow 1^{+}}\) f(x) = 3
Here \($\lim _{x \rightarrow 1^{-}} f(x) \neq \lim _{x \rightarrow 1^{+}} f(x)$\)
Hence \($\lim _{x \rightarrow a}\) f(x) = DNE
From the graph we find the left hand limit and the right hand limit:
If Left hand limit = Right hand limit then limit exist
If then Left hand limit ≠ Right hand limit then limit does not exist.
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Use the graph of the given function f to determine the limit at the indicated value of a, if it exists.(If an answer does not exist, enter DNE.)
Graph attached at the end of solution
you may have found the limit from one side instead of from both sides as notated. how might you consider the limit as x approaches a from both sides?
Thomas bought 2 tables and 8 chairs for rs. 21000 at same rate, mohan bought 3 tables and 10 chairs for rs. 28500 calcuate the cost of 1 table. calcuate the cost of 1 chair
Refer the attached image for the answer
HOPE SO IT HELPS YOU
1. a survey of 200 adults in the u.s. found that 76% regularly wear seat belts while driving. true or false: 76% is a parameter. 2. true or false: the checking account numbers of customers at a bank represent quantitative data. 3. determine whether the quantitative variable is continuous or discrete. the time (in minutes) required for a student to complete a
1. A survey of 200 adults in the u.s. found that 76% regularly wear seat belts while driving. 76% is a parameter. [FALSE]
2. The checking account numbers of customers at a bank represent quantitative data. [FALSE]
3. The quantitative variable is continuous.
Kinds of Research DataIn accordance with the types of variables in the research, so is the case with the data in the research which differs in several types, namely:
Data from discrete variables is called discrete data in the form of frequency Data from continuum variables are called continuum data in the form of levels, distance numbers or sizes.For researchers who want to process data with statistical data, the data used is in the form of quantitative data, namely in the form of numbers. In connection with the quantitative (calculation) process research data is classified into 4 types, namely nominal data, ordinal data, interval data, ratio data.
Also classifies data into 2, namely qualitative data and quantitative data.
Qualitative DataQualitative data is data related to categorization or grouping in the form of questions or words. For example, the tree is shady, the sea is deep and so on. The data is usually obtained from interviews which are subjective because many people interpret them.
Quantitative DataQuantitative data is data related to numbers. For example, 125 people who were accepted as civil servants, A company income was 2 billion / year and so on. This data is objective (can be interpreted the same by everyone) and is obtained from direct measurements or by converting qualitative data into quantitative data.
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which of the following statements about pie charts is false? question 1select one: a. pie charts are graphical representations of the cumulative relative frequency distribution b. pie charts are usually used to display the relative sizes of categories for categorical data c. pie charts always have the shape of a circle d. area of each slice of a pie chart is the proportion of the corresponding category of the frequency distribution of a categorical variable
The false statement about pie charts is: (a) Pie charts are graphical representations of the cumulative relative frequency distribution.
Pie charts are not typically used to represent the cumulative relative frequency distribution. They are commonly used to display the relative sizes or proportions of different categories within a categorical variable.
Each slice of a pie chart represents the proportion or percentage of a specific category in relation to the whole. Pie charts always have the shape of a circle, and the area of each slice corresponds to the proportion of the corresponding category in the data.
However, they are not directly used to depict cumulative relative frequency distributions, which are more commonly shown through other types of graphs such as cumulative frequency plots or histograms.
Therefore, (a) Pie charts are graphical representations of the cumulative relative frequency distribution is the correct answer.
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-x-1=-11 pls help explain
Answer:
−x−1+1=−11+1
−x=−10
-x/-1 = -10/-1
x=10
Step-by-step explanation:
Let's solve your equation step-by-step.
Step 1: Add 1 to both sides.
Step 2: Divide both sides by -1.
Water boils at lower temperatures as elevation increases Rob and Ann live in different cities. They both boil the same amount of water in the same size pan and repeat the expreiment the same number of times. Each records the water temperature just as the water starts to boil. They use box plots to display their data. Complete the Medians of the Box plots.
PLS DO NOT ANSWER IF YOU DO NOT KNOW OR JUST TO WRITE SOMETHING OBNIXOUS, IF YOU DO I WILL REPORT YOU, TY
If there is an odd number of values, the median is the middle value.
If there is an even number of values, the median is the average of the two middle values.
For the box plot for Rob's data, the median is 80°C.
For Ann's data, the median is 82°C.
Water boils at lower temperatures as elevation increases.
Rob and Ann live in different cities.
They both boil the same amount of water in the same size pan and repeat the experiment the same number of times.
Each records the water temperature just as the water starts to boil.
They use box plots to display their data.
The median of the data is the middle value.
In order to find the median, we must first place the values in order from least to greatest.
If there is an even number of values, the median is the average of the two middle values.
A box plot is a type of chart often used in statistical analysis.
It displays the range, median, and quartiles of a data set as well as any potential outliers.
The box extends from the lower quartile to the upper quartile.
The median is represented by a vertical line inside the box.
The whiskers extend from the box to show the range of the data.
The median is the middle value in a set of data.
In order to find the median, we must first arrange the data in order from least to greatest.
If there is an odd number of values, the median is the middle value.
If there is an even number of values, the median is the average of the two middle values.
For the box plot for Rob's data, the median is 80°C.
For Ann's data, the median is 82°C.
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Students are auditioning for a school play. Only 18 of the 45 students
auditioning will get a part in the play. What percent of the students
who audition will be in the play?
The students who audition will be in the play is 40%
What is Percentage?percentage, a relative value indicating hundredth parts of any quantity.
Given that Students are auditioning for a school play
Only 18 of the 45 students auditioning will get a part in the play.
We need to find the percent of the students who audition will be in the play.
45x=18
Divide both sides bby 45
x=18/45
x=0.4
Now multiply with 100 as it is hundredth part
0.4×100=40%
Hence, the students who audition will be in the play is 40%
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A baseball team plays in a stadium that holds 50000 spectators. With the ticket price at $12 the average attendence has been 22000. When the price dropped to $11, the average attendence rose to 25000. Assume that attendence is linearly related to ticket price.
What ticket price would maximize revenue?
The ticket price that would maximize revenue is $12.
To determine the ticket price that maximizes revenue, we need to analyze the relationship between ticket price and attendance. The problem states that attendance is linearly related to the ticket price. When the ticket price was $12, the average attendance was 22,000, and when the price dropped to $11, the average attendance rose to 25,000.
Since revenue is calculated by multiplying the ticket price by the attendance, we can determine the revenue at each ticket price. At $12, the revenue would be $12 * 22,000 = $264,000, and at $11, the revenue would be $11 * 25,000 = $275,000.
From these calculations, we can see that the revenue is higher at $11 compared to $12. However, the problem asks for the ticket price that maximizes revenue, which means we need to find the price that yields the highest revenue.
Since attendance is linearly related to the ticket price, we can assume that the relationship continues in a linear fashion. To find the revenue-maximizing price, we need to determine the point at which the revenue starts to decline.
In this case, since the revenue at $12 is lower than the revenue at $11, and there is a linear relationship, it suggests that the revenue will continue to decrease if the ticket price is further reduced. Therefore, the ticket price that maximizes revenue is $12.
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2 pounds of chicken at $4.49 per pound
Answer:
2 x 4.49 = $8.98
Step-by-step explanation:
Plz mark brainliest i really need it
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Kelly wants to fence in a rectangular space in her yard, 6 meters (length) by 10.5 meters (width). the salesperson at the supply store recommends that she put up posts every 1.5 meters. the posts cost $2.69 each. kelly will also need to buy wire mesh to string between the posts. the wire mesh is sold by the meter from large rolls and costs $5.96 a meter. a gate to fit in one of the spaces between the posts costs $25.39. seven staples are needed to attach the wire mesh to each post. staples come in boxes of 50, and each box costs $3.99. how much will the materials cost before sales tax?
The total materials cost before sales tax is $297.21.
How the total materials cost is determined:The total materials cost is the result of the addition of the total cost of posts, wire mesh, gate, and staples, as follows.
The length of the rectangular space = 6 meters
The width of the space = 10.5 meters'
The perimeter of the space = 33 meters [2(6 + 10.5)]
The space between posts = 1.5 meters
The number of posts = 22 (33 ÷ 1.5)
The cost per post = $2.69
a) The cost of the posts = $59.18 ($2.69 x 22)
The cost of wire mesh:
Cost per meter = $5.96
The number of meters of wire mesh = 33 meters
b) Total cost of the wire mesh = $196.68 ($5.96 x 33)
c) Cost of the gate = $25.39
Cost of Staples:
The number of staples per post = 7
The total number of staples required = 154 (22 x 7)
The number of boxes of staples = 4
The cost per box = $3.99
d) The total cost of staples = $15.96 (4 x $3.99)
The total cost of materials = $297.21 ($59.18 + $196.68 + $25.39 + $15.96)
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Find the volume V of the solid obtained by rotating the region bounded by the given curves about the specified line.
y = 2/x, y = 0, x = 1, x = 3; about y = −1
V =
Answer:
Step-by-step explanation:
I assume that the curves are y=x2 and x=y2. Intersections of the curves f(x)=x2 and g(x)=√x are points (0, 0) and (1, 1). When revolving around line y=1, the volume of revolution is calculated as
V=π∫01[(f(x)-1)2-(g(x)-1)2]dx=
=π∫01[(x2-1)2-(√x-1)2]dx=π∫01(x4-2x2-x+2√x)dx=
=π(1/5-2/3-1/2+4/3)=11/30
The volume of a solid is the derivative of how many regions of space is occupied by an object. It is measured by the number of unit cubes it takes to fill up the solid. It is decided by measuring the unit cubes in the solid.
For instance, fill a jug with water up to its brim and keep it inside a bucket. Now slowly drop a cricket ball into that. Some unit of water will be overflowed from the jug to the bucket. This quantity of water shows the volume of the cricket ball fallen.
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Q.4 What is the difference between price floors and price ceiling? Give example and illustrate graphically in support of your answer.
A price floor is a law that limits the minimum price at which a good, service, or factor of production can be sold while a price ceiling is a regulation that limits the maximum price at which a good, service, or factor of production can be sold
Price floors are commonly implemented to support producers, while price ceilings are typically put in place to protect consumers from higher prices that might result from shortages or monopolies.
Example of Price Floor:Agricultural subsidies are a common example of price floors. Government price floors ensure that farmers receive a minimum price for their crops.
If the market price of wheat falls below the government-established price floor, the government may buy the excess supply at the guaranteed price, ensuring that farmers are able to make a profit. If there is a price floor, the minimum price is set above the equilibrium price.
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I need help and if you can explain it would help alot!
what is the measure of m 8 and 4
(find m)
suppose that 60% of people receive their flu shot. if 7 people are selected at random. what is the probability that exactly 3 of them have obtained their flu shot?
The probability that exactly 3 of the 7 people selected at random have obtained their flu shot is approximately 0.315 or 31.5%.
How to calculate the probability?This problem can be solved using the binomial distribution, which models the probability of getting a certain number of successes (in this case, people who received their flu shot) in a fixed number of trials (in this case, selecting 7 people at random) when each trial has the same probability of success (in this case, 60%).
The probability of getting exactly 3 people who received their flu shot is given by the formula:
P(X = k) = (n choose k) * p^k * (1-p)^(n-k)
where n is the total number of trials (7), k is the number of successes (3), p is the probability of success (0.6), and (n choose k) is the binomial coefficient, which represents the number of ways to choose k items from a set of n items.
Plugging in the values, we get:
P(X = 3) = (7 choose 3) * (0.6)^3 * (1-0.6)^(7-3)
= 35 * 0.216 * 0.4096
= 0.315
Therefore, the probability that exactly 3 of the 7 people selected at random have obtained their flu shot is approximately 0.315 or 31.5%.
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Calculate the zeros of the function f(x) = x2 – 12x + 35 by completing the square.
Answer:
x = 5, x = 7
Step-by-step explanation:
to find the zeros let f(x) = 0 , that is
x² - 12x + 35 = 0 ( subtract 35 from both sides )
x² - 12x = - 35
To complete the square
add ( half the coefficient of the x- term )² to both sides
x² + 2(- 6)x + 36 = - 35 + 36
(x - 6)² = 1 ( take the square root of both sides )
x - 6 = ± \(\sqrt{1}\) = ± 1 ( add 6 to both sides )
x = 6 ± 1
then
x = 6 - 1 = 5
x = 6 + 1 = 7
To the nearest yard, what amount of fencing is needed to surround the perimeter of the picnic area? 95 yards 107 yards 160 yards 190 yards
The perimeter of the picnic area is 107 yards
Complete Question:A triangular picnic area has the side lengths of 45, 31 and 31 yards; To the nearest yard, what amount of fencing is needed to surround the perimeter of the picnic area? 95 yards 107 yards 160 yards 190 yards
How to determine the perimeter?From the complete question, we have:
Shape: Triangle
Side lengths = 45 yards, 31 yards, 31 yards
The perimeter is the sum of the side lengths.
So, we have:
Perimeter = 45 + 31 + 31
Evaluate
Perimeter = 107
Hence, the perimeter of the picnic area is 107 yards
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Answer:B
Step-by-step explanation:
107 Yards
4+10v = 194
What’s v?
Which polynomial is in standard form?
Answer:
Im pretty sure its D
Step-by-step explanation:
can y’all help me? it’s gradpoint! will give brainliest answer!!
Answer:
f(0) = 1
Step-by-step explanation:
when x = 0 then 0 ≤ x < 2 at x = 0 then f(0) = 1
A point R (-2,5) is mapped to point R',as described by a translation of 6 units to the rights and 7 units down.Mark R' on the coordinate plane.
Answer:
(4, -2)
Step-by-step explanation:
Given a point R (-2,5), if the point R' is described by a translation of 6 units to the rights and 7 units down, then the coordinate of R' will be;
6 units to the rights is towards the positive x axis
7 units down is towards the negative y axis
R' = (-2+6, 5-7)
R' = (4, -2)
Hence the coordinate point of R' on the plane is (4, -2)