The image of ΔHOP with coordinates H(2,1), O(-3,4), and P(5,7).
(a) after 90° clockwise rotation is H'(1,-2,),O'(4,3),P'(7,-5) ,
(b) after 90° counterclockwise rotation is H''(-1,2),O''(-4,-3),P''(-7,5) ,
(c) after 180° rotation is H'''(-2,-1),O'''(3,-4),P'''(-5,-7) .
When a point (x,y) is rotated 90° in clockwise about the origin then the image after rotation becomes (y,-x) .
When a point (x,y) is rotated 90° in counterclockwise about the origin then the image after rotation becomes (-y,x) .
When a point (x,y) is rotated 180° about the origin then the image after rotation becomes (-x,-y) .
Part(a)
The ΔHOP with coordinates H(2, 1), O(-3, 4), and P(5, 7) is rotated 90° in clockwise direction ,
we know the points (x,y) becomes (y,-x),
So the image of ΔHOP after rotation becomes H' , O' , P' .
H(2, 1) → H'(1,-2)
O(-3, 4) → O'(4,3)
P(5,7) → P'(7,-5)
Part(b)
The ΔHOP with coordinates H(2, 1), O(-3, 4), and P(5, 7) is rotated 90° in counterclockwise direction ,
we know the points (x,y) becomes (-y,x),
So the image of ΔHOP after rotation becomes H'' , O'' , P'' .
H(2, 1) → H''(-1,2)
O(-3, 4) → O''(-4,-3)
P(5,7) → P''(-7,5)
Part(c)
The ΔHOP with coordinates H(2, 1), O(-3, 4), and P(5, 7) is rotated 180°,
we know the points (x,y) becomes (-x,-y),
So the image of ΔHOP after rotation becomes H''' , O''' , P''' .
H(2, 1) → H'''(-2,-1)
O(-3, 4) → O'''(3,-4)
P(5,7) → P'''(-5,-7)
Therefore , The image of ΔHOP
(a) after 90° clockwise rotation is H'(1,-2,),O'(4,3),P'(7,-5) ,
(b) after 90° counterclockwise rotation is H''(-1,2),O''(-4,-3),P''(-7,5) ,
(c) after 180° rotation is H'''(-2,-1),O'''(3,-4),P'''(-5,-7) .
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Answer:
D
Step-by-step explanation:
the picture
-4t=20 what does t equal
Answer:
divide -4 from 20 so t is -5
Step-by-step explanation:
Answer:
t=-5
Step-by-step explanation:
divide both sides by -4 now we have t=-5
A realtor has a budget of $4,180 to spend on their advertising. Each month, x, the realtor
spends $220 on different advertisements. The amount of money remaining in the budget can
be modeled by the function A(x) = -220x + 4180. Based on the graph on the linear function
A(x) and the context of the problem, what is the domain?
Answer:The domain of the function A(x) = -220x + 4180 represents the valid inputs or values of x in the context of the problem. In this case, the context is the monthly spending on advertisements for a realtor with a budget of $4,180.
Since the realtor's budget is fixed at $4,180, the domain of the function would be the range of valid values for x that represent the number of months the realtor can spend on advertisements.
In this situation, it would be reasonable to assume that the realtor cannot spend a negative number of months on advertisements. Additionally, the realtor cannot spend more months on advertisements than the total duration of their budget, which is determined by dividing the budget by the monthly spending.
To find the domain, we need to consider the restrictions mentioned above. Therefore, the domain would be:
x ≥ 0 and x ≤ 4180 / 220
Simplifying the inequality:
x ≥ 0 and x ≤ 19
So, the domain of the function A(x) would be the set of non-negative integers less than or equal to 19.
find parametric equations for the line segment from (−4, 14, 32) to (10, −9, 46). (use the parameter t.)
The parametric equation for the line segment from (−4, 14, 32) to (10, −9, 46), using the parameter t is r(t) = (-4+14t, 14-23t, 32+14t), for 0<= t <=1.
The given points are (-4,14,32) and (10,-9,46).
To find the parametric equations for the line segment we need to follow the below steps.
Step 1: Calculate the direction vector of the line segment. We use the difference of the given points for this purpose. Let d= direction vector = (10,-9,46)-(-4,14,32) = (14,-23,14)
Step 2: Choose the initial point on the line segment. We can choose (-4,14,32).
Step 3: Since there are infinite choices for parameter t, choose any parameter t. We choose t in the range 0<= t <=1, to get the parametric equation for the line segment.
Let the parametric equation for the line segment be r(t).
Then, r(t) = (-4,14,32) + t(14,-23,14)
= (-4+14t, 14-23t, 32+14t), for 0<= t <=1.
Thus, the parametric equation for the line segment is r(t) = (-4+14t, 14-23t, 32+14t), for 0<= t <=1.
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Mara and Jonathan each created a sequence of numbers using a rule. Both sequences start with 0 as the first number. Mara’s rule is “add 3,” and Jonathan’s rule is “add 5.” Which statement about their sequences is true?
Answer:
Both can be true irrespective of the common difference.
how would 4,612,258,099 be writen in standerd from
Answer: The standard answer would be 4.612258099 × 10.
Step-by-step explanation: Pls give me brainliest. It might help w/ my depression. :\
State the explicit formula for the sequence below and find the 8th term.
-4, 16, -64, 256,...
O an = -4(4)n-1; n = 8 is-262,144
O an = -4(-4)-1; n = 8 is 65,536
O an = 4(4)n-1; n = 8 is 65,536
O a = 4(-4)n-1; n = 8 is 261,144
6.25 pts
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The explicit formula for the sequence is aₙ=(-4).(-4)ⁿ⁻¹ and the 8th term is 65536
The given sequence is -4, 16, -64, 256,...
If we observe the sequence it is a geometric sequence
aₙ=a.rⁿ⁻¹
a is the first term and r is the common ratio
From the sequence the first term is -4 and common ratio is -4
aₙ=(-4).(-4)ⁿ⁻¹
Plug in the value n as 8
a₈=(-4).(-4)⁷
The value of minus four power seven is minus sixteen thousand three hundred eighty four
a₈=(-4)(-16384)
When four is multiplied with sixteen thousand three hundred eighty four we get sixty five thousand five hundred thirty six
a₈= 65536
Hence, the explicit formula for the sequence is aₙ=(-4).(-4)ⁿ⁻¹ and the 8th term is 65536
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a restaurant offers salads with 2 types of lettuce, 3 different toppings, and 3 different dressings. how many different salads could be ordered?
Answer:
36 different salads can be ordered
Step-by-step explanation:
Please help fast elementary school all questions
Write the highlighted digit's place and value.
3. 567; ones place 4. 6,327; thousandth place
5. 9,325; hundredth place 6. 8,281; tenth place
Write each number in standard form.
7. 5,000 + 500 + 3; 5,503 8. 2,000 + 300 + 20 + 9; 2,329
9. 4,000 + 600 + 8; 4,608 9. 9,000 + 300 + 70 + 2; 9,372
11. 1,221
We know Sierra has the same numbers in the thousandth and ones place, so keep does numbers: 1,?2?
It also has two more hundreds and 3 fewer ones place: Take the original number; 1,024 (Make sure you keep the numbers) into a equation; (1024+200)-3. First Add as it's in the ( ), then subtract, 1,221
I hope I've helped!
Answer:
#3. ones place. #4. thousands place.#5. hundreds place. #6. tens place. #7. 5,503. #8. 2,329. #9. 4,608. #10. 9,372.
Step-by-step explanation:
#11.sierras seat number 1,221
scores on the sat verbal test in recent years follow approximately the n(515, 109) distribution. how high must a student score in order to place in the top 5% of all students taking the sat?
We need to determine the score a student must achieve to place in the top 5% of all students taking the SAT Verbal test with an N(\(515, 109\)) distribution, which came out to be \(695\) marks.
Identify the mean (μ) and standard deviation (σ) of the distribution: In this case, µ \(= 515\) and σ\(= 109\).
Determine the percentile rank: To place in the top \(5%\)% of students, we need to find the score corresponding to the \(95th\) percentile, as this represents the point where \(95\)% of students have a lower score.
Use a standard normal (Z) table or calculator to find the Z-score corresponding to the \(95th\) percentile: A Z-score represents the number of standard deviations a data point is from the mean.
For the \(95th\) percentile, the Z-score is approximate \(1.645\).
Apply the Z-score formula to find the required SAT score: \(X =\) µ \(+ Z*\) σ. In this case, \(X = 515 + (1.645 *109)\).Calculate the result: \(X = 515 + (1.645 *109)\)
\(=515 + 179.305 = 694.305\).
Round up to the nearest whole number: Since a student's SAT score must be a whole number, round up to \(695\). A student must score \(695\) or higher on the SAT Verbal test to place in the top \(5\)% of all students taking the test, given the N(\(515, 109\)) distribution.
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Question
An algebra class consists of 18 male students and 12 female students. Each day, the teacher randomly selects 3 students from the class to present their work on a problem. What is the probability that the teacher randomly selects 3 female students, if no one student can be selected twice?
Answer: The probability that the teacher randomly selects 3 female students is 0.0556.
Explanation :Given ,In an algebra class there are 18 male students and 12 female students. Each day, the teacher randomly selects 3 students from the class to present their work on a problem, If no one student can be selected twice To find :The probability that the teacher randomly selects 3 female students
Formula used: Probability of event = \(\frac{\text{Number of favourable outcomes}}{\text{Total number of outcomes}}\)Number of total students = 18 + 12 = 30Number of ways to select 3 students from 30 students = \(_{30}C_3 = \frac{30!}{3!(30-3)!} = \frac{30!}{3!27!} = \frac{30*29*28}{3*2*1} = 4060\)Number of ways to select 3 female students out of 12 female students = \(_{12}C_3 = \frac{12!}{3!(12-3)!} = \frac{12!}{3!9!} = \frac{12*11*10}{3*2*1} = 220\)Therefore, the probability that the teacher randomly selects 3 female students is \(\frac{220}{4060}\) = 0.0556.
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Here is a rectangle.
4cm
6cm
6cm
4cm
The 6-sided shape is made from two of these rectangles.
Work out the perimeter of this 6-sided shap
Answer:
rectangle only has 4 sides , a rectangular prism has 6 sides
A car is 160 inches long. A truck is 65% longer than the car. How long is
the truck? *
Answer:
160+65%=264
Step-by-step explanation:
i think
Answer:
264 inches
Step-by-step explanation:
160/ 0.65 = 104
104 + 160 = 264
please answer this question
Answer:
I think its d
isn't the inverse the opposite of the original?
Which of the following functions would be represented by a dashed line passing through the origin and (3,2) shaded above the line
Answer:
Explanation:
Generally, the slope-intercept form of the equation of a line is given as;
\(y=mx+b\)where m = the slope of the line
b = y-intercept of the line
From the question, we're told that the required line will pass through the origin and (3, 2), so we can find our slope(m) of the line using the given coordinates x1 = 0, y1 = 0, x2 = 3, and y2 = 2;
\(m=\frac{y_2-y_1}{x_2-x_1}=\frac{2-0}{3-0}=\frac{2}{3}\)So the slope(m) of the line is 2/3.
Since we're told that the line will pass through the origin, it means that the y-intercept (b) = 0.
Since the gragh will be shaded above the dashed line, it means that the inequality will have a greater than sign(>).
We're told that the line will be dashed, it means that the function have only the greater than sign(>) without the equal to sign(=).
Combining all the information above, the function for the line can be
Find the average value of the function over the given interval. f(x) = 6 x on [0, 9]
The average value of the function f(x) = 6x over the interval [0, 9] is 27.
To find the average value of a function over a given interval, you need to take the definite integral of the function over that interval, and divide by the length of the interval. In this case, the function is f(x) = 6x, and the interval is [0, 9].
So first, we need to find the definite integral of 6x over [0, 9]:
∫[0,9] 6x dx = 3x^2 |[0,9] = 243
Next, we need to find the length of the interval, which is simply 9 - 0 = 9.
Finally, we divide the definite integral by the length of the interval:
Average value of f(x) = (1/9) * 243 = 27
So the average value of the function f(x) = 6x over the interval [0, 9] is 27.
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A useful technique in controlling multicollinearity involves the A. use of variance inflation factors B. use the backward elimination procedure C. use the forward elimination procedure D. use the forward selection procedure E. use all possible regressions
A useful technique in controlling multicollinearity involves the use of variance inflation factors. Thus, option A is the correct answer.
Multicollinearity is a state that occurs when there is a high correlation between two or more predictor variables. In other words, when one predictor variable can be linearly predicted from the other predictor variable. Multicollinearity causes unstable regression estimates and makes it hard to evaluate the role of each predictor variable in the model.
Variance inflation factor (VIF) is one of the useful techniques used in controlling multicollinearity. VIF measures the degree to which the variance of the coefficient estimates is inflated due to multicollinearity. When VIF is greater than 1, multicollinearity is present.
Therefore, a is correct.
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find the product. (2x+3)(2x+3)
Answer:
=4x2+12x+9
hope it helps you!
Step-by-step explanation:
Answer:
4x2−12x+9
Step-by-step explanation:
expand using the foil method
Simplify and combine like terms
and you get the answer
Please brainliest meAl released his balloon from the 10-yard line, and it landed at the 16-yard line. If the ball reached a height of 27 yards, what equation represents the path of his toss?
The equation of the path of the parabola is y = a(x - 13)² + 27
Given data ,
To represent the path of Al's toss, we can assume that the path is a parabolic trajectory.
The equation of a parabola in vertex form is given by:
y = a(x - h)² + k
where (h, k) represents the vertex of the parabola
Now , the balloon was released from the 10-yard line and landed at the 16-yard line, we can determine the x-values for the vertex of the parabola.
The x-coordinate of the vertex is the average of the two x-values (10 and 16) where the balloon was released and landed:
h = (10 + 16) / 2 = 13
Since the height of the balloon reached 27 yards, we have the vertex point (13, 27)
Now, let's substitute the vertex coordinates (h, k) into the general equation:
y = a(x - 13)² + k
Substituting the vertex coordinates (13, 27)
y = a(x - 13)² + 27
To determine the value of 'a', we need another point on the parabolic path. Let's assume that the highest point reached by the balloon is the vertex (13, 27).
This means that the highest point (13, 27) lies on the parabola
Substituting the vertex coordinates (13, 27) into the equation
27 = a(13 - 13)² + 27
27 = a(0) + 27
27 = 27
Hence , the equation representing the path of Al's toss is y = a(x - 13)² + 27, where 'a' can be any real number
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Mr. Jacobs drove 6 times as many miles in May as he did in April. He
drove 329 miles in April. What was the total number of miles Mr.
Jacobs drove in April and May combined?
Answer:
2,303
Step-by-step explanation:
First, we have to realize that 6 times as many miles in May as he did in April, means that we have to multiply 329 by 6, giving us 1,974.
But we're not done as we then need to add this total, to 329 as they want the total number of miles.
So, we add 1,974 to 329 giving us our answer of 2,303.
the issue of corporate tax reform has been cause for much debate in the united states. among those in the legislature, 28% are republicans, 50% are democrats and 22% are independents. it is reported that 34% of the republicans, 35% of the democrats and 31% of independents favor some type of corporate tax reform. suppose a member of congress is randomly selected and he/she is found to favor some type of corporate tax reform. what is the probability that this person is a democrat? round your answer to four decimal places. do not round intermediate value(s).
The probability that a randomly selected member of Congress who favours corporate tax reform is a Democrat is 0.4444, rounded to four decimal places.
To solve this problem, we can use Bayes' theorem. Let D represent the event that the selected member is a Democrat, and R represent the event that the selected member is a Republican, and I represent the event that the selected member is an Independent. Let F represent the event that the selected member favors some type of corporate tax reform. We are given the following probabilities:
P(R) = 0.28, P(D) = 0.50, P(I) = 0.22
P(F|R) = 0.34, P(F|D) = 0.35, P(F|I) = 0.31
We want to find P(D|F), the probability that the selected member is a Democrat given that they favor corporate tax reform. We can use Bayes' theorem:
P(D|F) = P(F|D)P(D) / [P(F|D)P(D) + P(F|R)P(R) + P(F|I)P(I)]
Plugging in the values we know, we get:
P(D|F) = 0.35 * 0.50 / [0.35 * 0.50 + 0.34 * 0.28 + 0.31 * 0.22]
P(D|F) = 0.4444 (rounded to four decimal places)
Therefore, the probability that the selected member is a Democrat given that they favour corporate tax reform is 0.4444.
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what digit occurs the least frequently in the numbers between 1 and 1 000 (inclusive)
The digit that occurs the least frequently in the numbers between 1 and 1,000 is 9, which appears only 271 times.
To answer this question, we need to analyze the numbers between 1 and 1,000 and determine which digit occurs the least frequently. We can start by looking at each individual digit (0-9) and counting how many times it appears in each of the numbers in this range.
For example, the digit 0 appears 192 times in this range, while the digit 1 appears 301 times. We can continue this process for all of the digits and find that the digit that occurs the least frequently is 9, which appears only 271 times.
We can also note that this is not surprising since 9 is the largest single-digit number, and thus, it is less likely to appear in numbers between 1 and 1,000. Additionally, we can observe that the digits 0-8 all appear relatively evenly throughout this range, with each digit appearing between 271-305 times.
In conclusion, the digit that occurs the least frequently in the numbers between 1 and 1,000 is 9, which appears only 271 times.
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A fish tank, shaped as a cube, has a volume of 36 liters, or 2,197 in? What are the dimensions of the fish tank in inches? Use
Each edge of the fish tank measures
in.
Use implicit differentiation dy/dx using the following equation: (7xy+4)2=28y Please include all steps.
The derivative of y with respect to x, or dy/dx, is \(-2xy - 7/2 y^2.\)
How to use implicit differentiation to find dy/dx?To use implicit differentiation to find dy/dx, we'll take the derivative of both sides of the equation with respect to x, using the chain rule for the left-hand side:
\((7xy+4)^2 = 28y\)
2(7xy+4)(7y dx/dx + 7x dy/dx) = 28 dy/dx
Simplifying and solving for dy/dx, we get:
(7xy+4)(14y + 14x dy/dx) = 28 dy/dx
\(98xy^2 + 56xy + 56x dy/dx = 28 dy/dx\)
\(98xy^2 + 28 dy/dx = -56xy\)
\(dy/dx = (-56xy - 98xy^2) / 28\)
Simplifying further, we get:
\(dy/dx = -2xy - 7/2 y^2\)
Therefore, the derivative of y with respect to x, or dy/dx, is \(-2xy - 7/2 y^2.\)
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The derivative of y with respect to x, or dy/dx, is \(-2xy - 7/2 y^2.\)
How to use implicit differentiation to find dy/dx?To use implicit differentiation to find dy/dx, we'll take the derivative of both sides of the equation with respect to x, using the chain rule for the left-hand side:
\((7xy+4)^2 = 28y\)
2(7xy+4)(7y dx/dx + 7x dy/dx) = 28 dy/dx
Simplifying and solving for dy/dx, we get:
(7xy+4)(14y + 14x dy/dx) = 28 dy/dx
\(98xy^2 + 56xy + 56x dy/dx = 28 dy/dx\)
\(98xy^2 + 28 dy/dx = -56xy\)
\(dy/dx = (-56xy - 98xy^2) / 28\)
Simplifying further, we get:
\(dy/dx = -2xy - 7/2 y^2\)
Therefore, the derivative of y with respect to x, or dy/dx, is \(-2xy - 7/2 y^2.\)
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A basketball player makes 95 out of 140 free throws. We should estimate the probability that the player makes the next free throw to be
Since the player makes 95 out of 140 free throws, the probability that he makes the next free throw is:
\(\frac{95}{140}\approx0.6786.\)Answer: 67.86%
Does the equation below represent a relation, a function, both a relation and a function, or neither a relation nor a function?
Answer:
it is a relation and a function
Step-by-step explanation:
What is 10/3(fraction) times 6/5(fraction)
Answer:
4
Step-by-step explanation:
When multiplying those fractions, you multiply the top (numerators) by each other and you'll get 60
Then when you divide the denominators you'll get 15.
60 divided by 15 is 4.
10/3 x 6/5 = 4
Step-by-step explanation:
You multiply the numerators together, same with the denominator. You get 60/15. You divide those numbers so you get 4 as your answer. Hope this helps!
find the volume of each solid if the cylinders volume is 36 cm3
Solution
1) The volume of a cone.
The volume of a cylinder = 36
What is the relationship between the volume of the cone and the volume of the cylinder? (Answer: The cone takes up one-third of the volume of the cylinder.)
\(\begin{gathered} The\text{ volume of a cone = }\frac{1}{3}\text{ }\times\text{ Volume of a cylinder} \\ =\text{ }\frac{1}{3}\text{ }\times\text{ 36} \\ =\text{ 12cm}^3 \end{gathered}\)2) Volume of a sphere
The relation between the volume of sphere and the volume of cylinder is that the volume of the sphere is two-third of the volume of the cylinder with a height equal to the diameter of the sphere and the same radius.
\(\begin{gathered} Volume\text{ = }\pi r^2h \\ Volume\text{ of a sphere = }\frac{2}{3}\pi r^2h \\ Volume\text{ of a sphere = }\frac{2}{3}\text{ }\times\text{ 36} \\ Volume\text{ of a sphere = 24 cm}^3 \end{gathered}\)Final answer
Find the area of this rectangle.
Answer:
Step-by-step explanation:
Area is equal to the product of the length and the width
The length is 10 inches and the width is 5 inches.
Thus the Area = 10in * 5in = 50\(in^{2}\)
let g be the function defined by g(x)=∫x−1(−12 cos(t 3 2t))ⅆt for 0
Let g be the integral function defined by g(x) = ∫x-1 (-1/2 * cos (t³ / 2t)) dt for x = 0, g is g(x) = -1/2(x-1 * sin(t³/2t) - x-1 * cos(t³/2t)).
To solve this integral, we need to use the substitution method. We will let u = t/2t, du = 3t/2 dt.
Thus, the integral becomes:
g(x) = -1/2 * ∫x-1 cos(u) du
Using integration by parts, we get:
g(x) = -1/2(x-1 * sin(u) + ∫x-1 sin(u) du).
After integrating the second part, we obtain the final result:
g(x) = -1/2(x-1 * sin(u) - x-1 * cos(u))./2t
we subtitute the value of u to get:
g(x) = -1/2(x-1 * sin(t³/2t) - x-1 * cos(t³/2t)).
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Cooper obtains an experimental functions of the stream function and the velocity potential for a particular flow type which are given by ψ=2xy and φ=x
2
−y
2
. Show that the conditions for continuity and irrotational flow are satisfied.
The given functions ψ = 2xy and φ = x^2 - y^2 satisfy the conditions for continuity and irrotational flow.
To show continuity, we need to verify that the partial derivatives of ψ and φ with respect to x and y are equal. Let's calculate these partial derivatives:
∂ψ/∂x = 2y
∂ψ/∂y = 2x
∂φ/∂x = 2x
∂φ/∂y = -2y
From the above calculations, we can see that the partial derivatives of ψ and φ with respect to x and y are equal. Therefore, the condition for continuity, which requires the equality of partial derivatives, is satisfied.
To show irrotational flow, we need to verify that the curl of the velocity vector is zero. The velocity vector can be obtained from the stream function ψ and velocity potential φ as follows:
V = ∇φ x ∇ψ
Taking the curl of V:
∇ x V = ∇ x (∇φ x ∇ψ)
Using vector calculus identities and simplifying the expression, we find:
∇ x V = 0
Since the curl of the velocity vector is zero, the condition for irrotational flow is satisfied.
Therefore, based on the calculations and verifications, we can conclude that the given functions ψ = 2xy and φ = x^2 - y^2 satisfy the conditions for continuity and irrotational flow.
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