The smallest integer, n, that would make the expression 3*7^(3)*11^(4)*13^(5)*n a perfect cube is 7*11*13^(4).
To find the smallest integer that would make the expression a perfect cube, we need to find the missing factors that would complete the cube.
For 3, we need two more 3s to complete a cube.
For 7^(3), we already have a complete cube.
For 11^(4), we need one more 11 to complete a cube.
For 13^(5), we need four more 13s to complete a cube.
So the missing factors are 3*3*11*13*13*13*13, which simplifies to 7*11*13^(4).
Therefore, the smallest integer, n, is 7*11*13^(4).
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The angle of elevation of the top of the building at a distance of 55 m from its foot on a
horizontal plane is found to be 60°. Find the height of the building rounded to the nearest
tenth of a meter.
The height of the building is _______ meters.
Need help
Let's call the height of the building "h". We can use trigonometry to solve for "h" using the angle of elevation and the horizontal distance from the foot of the building to the point where the angle of elevation is measured.
In this case, we have a right triangle with the height of the building as one leg, the horizontal distance as the adjacent leg, and the angle of elevation as the angle opposite the height. So we can use the tangent function:
tan(60°) = h/55
Solving for "h", we get:
h = 55 tan(60°)
h ≈ 95.1
Rounded to the nearest tenth of a meter, the height of the building is approximately 95.1 meters.
Graph the system of equations below on the coordinate grid provided.
Please show all of work and write the answer as an ordered pair.
DeShawn buys the following items from his grocery store.
2 boxes of cereal priced at $8.95 each
3 of a pound of cheese at $12.80 per pound
1 quart of orange juice for $5.85 per quart.
There is no sales tax on the food. DeShawn pays for the items and receives $1.65 in change.
What amount of money did DeShawn use to pay for the items?
Answer: C
Step-by-step explanation: 8.95x2=17.9, 3/4x12.80=9.6, 17.9+9.6+5.85=33.35. 33.35+1.65=35
Which value shows the point on the number line?
The value shown on the number line is 3 8/10
How to determine the value shown on the number lineThe number line represents the given parameter
On the number line, we have the point located between 3 and 4
Such that the point is at 0.8 between 3 and 4
When the above expression is represented as a number, we have
Number = 3 + 0.8
Express the decimal as a fraction
So, we have
Number = 3 + 8/10
Evaluate
Number = 3 8/10
Hence, the solution is 3 8/10
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Pls give simple working
Screen shot this and then mark when it should go tyy
Answer:
Step-by-step explanation:
Triangle Angle Sum Practice
Answers Only
According to the triangle's "angle sum property," a triangle's interior angles add up to 180°.
Take a triangle ABC; to demonstrate the triangle's above-mentioned, angle sum property draw a line PQ parallel to its BC side.
PAB + BAC + QAC Equals 180 degrees.
(1)
PQ||BC and AB, AC, and AB, AC are transversals, therefore QAC = ACB (a pair of alternate angle)
Moreover, PAB = CBA (a pair of alternate angle)
When QAC and PAB's values are substituted in equation (1), ACB + BAC + CBA = 180°.
As a result, a triangle's interior angles sum up to 180°.
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If the original price is $ 1,000 and the rate of discount is 15
% find the amount of the sales price.
The sales price of the item after the 15% discount is $850.
The original price of the item is $1,000 and the discount rate is 15%. To find the amount of the sales price, we need to calculate the amount of the discount and subtract it from the original price.
Step 1: Calculate the amount of the discount by multiplying the original price by the discount rate.
Discount = Original Price x Discount Rate
Discount = $1,000 x 0.15
Discount = $150
Step 2: Subtract the amount of the discount from the original price to find the sales price.
Sales Price = Original Price - Discount
Sales Price = $1,000 - $150
Sales Price = $850
Therefore, the sales price of the item after the 15% discount is $850.
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3x+4=-4+3x how many solutions
What is the distance between the points (13 , -18) and (-10 , -18) in the coordinate plane?
what is the answer
Answer:
23
Step-by-step explanation:
If possible, compone the indicated linear combination: (a) C+E and E+C (b) A+B (e) D-F (d) -3C+5O
-3C+50
(a) C+E and E+C = 2C (b) A+B = A+B (e) D-F = D-F (d) -3C+50 = -3C+50
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The average number of gallons W of bottled water consumed each year by the consumer can be approximated by W=1.8d+17.48, where d is the number of 2000.
The average number of gallons of bottled water consumed in the year 2010 is 35.48 gallons.
The equation W=1.8d+17.48 can be used to find the average number of gallons of bottled water consumed each year by a consumer.
In this equation, W represents the average number of gallons of bottled water consumed, and d represents the number of years since 2000.
To find the average number of gallons of bottled water consumed in a specific year, you can plug in the value of d into the equation and solve for W.
For example, if you want to find the average number of gallons of bottled water consumed in the year 2010, you would plug in the value of d=10 (since 2010 is 10 years after 2000) into the equation:
W=1.8(10)+17.48
W=18+17.48
W=35.48
So, the average number of gallons of bottled water consumed in the year 2010 is 35.48 gallons.
Similarly, you can plug in different values of d into the equation to find the average number of gallons of bottled water consumed in different years.
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"Fill in each blank so that the resulting statement is true. The domain of \( f(x)=\tan ^{-1} x \) is and the range is The domain of \( f(x)=\tan ^{-1} x \) is and the range is
Fill in the blank so th"
The domain of \(f(x)=\tan ^{-1} x\) is \(\mathbb{R}\) and the range is \((-\frac{\pi}{2}, \frac{\pi}{2})\).
Explanation:
The domain of a function is the set of all possible input values for which the function is defined. The inverse tangent function, \(f(x)=\tan ^{-1} x\), is defined for all real numbers, so the domain is \(\mathbb{R}\).
The range of a function is the set of all possible output values for which the function is defined. The inverse tangent function, \(f(x)=\tan ^{-1} x\), has a range of \((-\frac{\pi}{2}, \frac{\pi}{2})\). This is because the tangent function has a period of \(\pi\), and the inverse tangent function is the inverse of the tangent function restricted to the interval \((-\frac{\pi}{2}, \frac{\pi}{2})\).
Therefore, the domain of \(f(x)=\tan ^{-1} x\) is \(\mathbb{R}\) and the range is \((-\frac{\pi}{2}, \frac{\pi}{2})\).
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Fill in the missing value. 4:9 = ? : 36
i think it may be 16:36
explanation: if the 9 was multiplied by 4 which 9x4 is 36 it means that the 4 for the 4:9 will probably end up 16 hence 4x4 is 16 making the answer probably 16:36 to my own understanding
Which of the following is NOT a true statement? There are 2 possible answers. Choose one.
A. ∠EFC measures 80°
B. ∠BFC & ∠DFE have a sum of 90°
C. ∠AFD measures 130°
D. ∠AFB& ∠CFD are supplementary
Answer: C and D
Step-by-step explanation:
∠AFD measures 150°, not 130° and ∠AFB & ∠CFD are complementary, not supplementary.
Complete the table to find the unit rate.
The table shows the number of students and teachers.
Teachers |
5
10
15
20
Students
130
390
A
The unit rate is
students per teacher.
If there are 17 teachers, how many students are there?
There will be 663 pupils if there are 17 instructors.
What does maths for students mean?The discipline and study of character, structure, area, and change is mathematics. Mathematicians use rigorous deduction from carefully selected axioms and definitions to look for patterns, make new hypotheses, and establish the veracity of their findings.
Teachers Students
5 130
10 390
15 585
20 780
To find the unit rate, we need to divide the number of students by the number of teachers. For example, for the first row, the unit rate would be:
Unit rate = students/teachers = 130/5 = 26 students per teacher
We can repeat this calculation for each row:
For the second row, the unit rate is 390/10 = 39 students per teacher.
For the third row, the unit rate is 585/15 = 39 students per teacher (same as the previous row).
For the fourth row, the unit rate is 780/20 = 39 students per teacher (again, the same as the previous rows).
So, the unit rate is 39 students per teacher.
If there are 17 teachers, we can use the unit rate to find the number of students:
Number of students = unit rate x number of teachers
Number of students = 39 x 17 = 663
Therefore, if there are 17 teachers, there are 663 students.
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A=2−1501300−3 To find: eigenvalues and the eigenvectors
The eigenvalues of matrix A are 11 and -1, and the corresponding eigenvectors are [1, -3, 0] and [1, 0, 0].
Eigenvalues and eigenvectors are important concepts in linear algebra. The eigenvalues of a matrix are the values that satisfy the equation Ax = λx, where A is the matrix, x is the eigenvector, and λ is the eigenvalue. The eigenvectors are the corresponding vectors that satisfy this equation.
To find the eigenvalues and eigenvectors of the matrix A=2−1501300−3, we need to follow these steps:
1. Find the characteristic equation of the matrix A by subtracting λ from the diagonal elements and taking the determinant:
|A-λI| = |2-λ -1 5| = (2-λ)(-3-λ) - (-1)(5) = 0
|0 1 3|
|0 0 -3-λ|
2. Solve the characteristic equation to find the eigenvalues:
(2-λ)(-3-λ) - (-1)(5) = 0
-6 + 3λ + 2λ - λ² + 5 = 0
λ² - 5λ - 11 = 0
(λ - 11)(λ + 1) = 0
The eigenvalues are λ = 11 and λ = -1.
3. Find the eigenvectors by substituting the eigenvalues back into the equation Ax = λx and solving for x:
For λ = 11:
(2-11)x₁ - x₂ + 5x₃ = 0
x₂ + 3x₃ = 0
-3x₃ = 0
x = [1, -3, 0]
For λ = -1:
(2+1)x₁ - x₂ + 5x₃ = 0
x₂ + 3x₃ = 0
3x₃ = 0
x = [1, 0, 0]
The eigenvectors are x = [1, -3, 0] and x = [1, 0, 0].
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Please help me with this math question
The area of the rhombus is 16√39 sq. cm.
Describe the rhombus.A four-sided polygon with equal-length sides is known as a rhombus. A rhombus is an unique kind of parallelogram, like a square, in which the opposing sides are parallel and congruent. Yet, a rhombus lacks right angles, unlike a square.
Given that, sides = 10cm and the diagonal = 16 cm.
Using the Pythagorean theorem, we can find the length of the other diagonal as follows:
a^2 + b^2 = c^2
(10/2)^2 + b^2 = 16^2/4
25 + b^2 = 64
b^2 = 39
b = √39
The length of the other diagonal is 2*√39 cm.
Now, we can use the formula for the area of a rhombus:
A = (d1d2)/2 = (162√39)/2 = 16√39
Hence, the area of the rhombus is 16√39 sq. cm.
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The area of the rhombus is approximately 62.4 cm².
Describe rhombus?A rhombus is a quadrilateral with four sides of equal length. It is also known as a diamond or a lozenge. A rhombus has two pairs of parallel sides, and opposite angles are equal to each other. The diagonals of a rhombus bisect each other at right angles, meaning they cut each other in half and form a right angle at their intersection point.
The properties of a rhombus are similar to those of a square, but unlike a square, a rhombus does not have right angles. However, a square can be considered a special case of a rhombus, where all four angles are right angles.
The area of a rhombus can be calculated using the formula:
Area = (diagonal 1 x diagonal 2) / 2
where diagonal 1 and diagonal 2 are the lengths of the two diagonals of the rhombus.
Let's use the Pythagorean theorem to find the length of the shorter diagonal. We know that a rhombus has two pairs of congruent right triangles. Let's call the length of the shorter diagonal d.
Using Pythagorean theorem:
(10/2)² + (d/2)² = (16/2)²
5² + (d/2)² = 8²
25 + (d/2)² = 64
(d/2)² = 39
d/2 = √(39)
d = 2 * √(39)
Now we can use the formula for the area of a rhombus:
Area = (diagonal1 * diagonal2) / 2
Area = (10 * 2 * √(39)) / 2
Area = 10 * √(39)
Therefore, the area of the rhombus is approximately 62.4 cm².
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Use Eurlid division lemma to show that any positive odd integer is of the form /(6 q+1./)/(6y+3/) or ,/)/(6y+5,?) where /(q/) is some integers
The three possible forms of any positive odd integer, as required.
According to the Euclid Division Lemma, for any two positive integers a and b, there exist unique integers q and r such that a = bq + r where 0 ≤ r < b.
We can use this lemma to show that any positive odd integer is of the form 6q + 1, 6q + 3, or 6q + 5 where q is some integer.
Let a be any positive odd integer and let b = 6. By the Euclid Division Lemma, we can write a = 6q + r where 0 ≤ r < 6. Since a is odd, r cannot be an even number. Therefore, r can only take on the values of 1, 3, or 5.
Thus, we can write a as:
a = 6q + 1
a = 6q + 3
a = 6q + 5
These are the three possible forms of any positive odd integer, as required.
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Help find centroid for these
a) The length of DP is,
DP = 11 Units
b) The lengths are,
RY = 12
YN = 24
YT = 10
BT = 30
IY = 10
And, IE = 15
TN = 25
And, IN = 50
What is mean by Triangle?A triangle is a three sided polygon, which has three vertices and three angles which has the sum 180 degrees.
Given that;
Triangle are shown in figure.
a) We have;
AM = MP
Hence,
12x - 4 = 4x + 12
12x - 4x = 4 + 12
8x = 16
x = 2
Hence, Lenght of DP is,
DP = 7x - 3
DP = 7×2 - 3
DP = 14 - 3
DP = 11
b) We know that;
RY : YN = 1 : 2
Here, RN = 36
Hence, We get;
36 = x + 2x
3x = 36
x = 12
Hence,
RY = x = 12
YN = 2x = 2 x 12 = 24
And, If BY = 20;
YT = 20/2
YT = 10
And, BT = 20 + 10 = 30
If EY = 5;
IY = 2 × 5 = 10
And, IE = 5 + 10 = 15
If IT = 25
Then, TN = 25
And, IN = 25 + 25 = 50
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last year there were 129 pies baked for the bake sale. this year there were b pies baked. using b write an expression for the total numbers of ingredients and pies baked in the two years
Answer:
Step-by-step explanation:
Assuming that the number of ingredients per pie is constant, we can write an expression for the total number of ingredients and pies baked in the two years as:
Total number of ingredients = (129 x ingredients per pie) + (b x ingredients per pie)
Total number of pies baked = 129 + b
So, if we let "i" represent the number of ingredients per pie, we can write the expression as:
Total number of ingredients = (129 x i) + (b x i)
Total number of pies baked = 129 + b
Note that without knowing the value of "i," we cannot simplify this expression any further.
Find the area bounded by the following: 1. y = √9 – x, y = √9 - 3x , and the x-axis 2. y = x^3 and y = 4x^2 3. x = y^2 and x^2 – 2x + 3y = 2 4. x^2 + y^2 = 9, the x-axis , the y-axis
√9 - 3x⁄x + 4x2 - x3⁄2 + y2 - 2xy + 2⁄2 + 9 - x2⁄2 from 0 to √9
To find the area bounded by the given functions, we will need to solve the following integrals:
1. Integral of √9 - 3x⁄x from 0 to √9
2. Integral of 4x2 - x3⁄2 from 0 to √9
3. Integral of y2 - 2xy + 2⁄2 from 0 to √9
4. Integral of 9 - x2⁄2 from 0 to √9
The area bounded by the given functions is then equal to the sum of the four integrals, or:
Area = √9 - 3x⁄x + 4x2 - x3⁄2 + y2 - 2xy + 2⁄2 + 9 - x2⁄2 from 0 to √9
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How can you use the factored form of the polynomial x^4 - 2x^3 - 9x^2 + 18x = x(x-3)(x+3)(x-2) to find the x intercepts of the graph of the function?
Answer:
see explanation
Step-by-step explanation:
the x- intercepts are the values of x on the x- axis where the graph crosses the x- axis.
On the x- axis the y- coordinate of any point is zero.
Set the factored form of the polynomial to zero and solve for x
x(x - 3)(x + 3)(x - 2) = 0
equate each factor to zero and solve for x
x = 0
x - 3 = 0 ⇒ x = 3
x + 3 = 0 ⇒ x = - 3
x - 2 = 0 ⇒ x = 2
the x-intercepts are then x = - 3, x = 0, x = 2, x = 3
these can be confirmed from the graph of the polynomial
Feb 20, 9:49:08 PM Find the axis of symmetry of the parabola defined by the equation x=(1)/(36)y^(2)-(1)/(18)y+(37)/(36).
The axis of symmetry of the parabola defined by the equation x=(1)/(36)y^(2)-(1)/(18)y+(37)/(36) is the vertical line x = (37)/(36). This is because the equation is in the form of y = ax^2 + bx + c, and the axis of symmetry is x = -b/2a. In this case, a = (1)/(36), b = -(1)/(18) and c = (37)/(36).
Therefore, the axis of symmetry is x = -(1)/(36) x -(1)/(18) = (37)/(36). This axis of symmetry divides the parabola into two symmetric halves and it is also the x-coordinate of the vertex of the parabola.
The vertex is the highest or lowest point of the parabola and it is the point of intersection between the axis of symmetry and the parabola. To find the y-coordinate of the vertex, we can substitute the x-coordinate of the vertex into the equation, which gives us y = (1)/(72) + (37)/(36) = (109)/(72). Therefore, the coordinate of the vertex is (37/36, 109/72).
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9. A box contains three blue bulbs, four green bulbs and five red bulbs. Four bulbs taken out of the box at random and without replacements. What is the probability that: (1) are the first two are of the same colour and the last two are of different colours.
The probability that the first two bulbs are of the same colour and the last two are of different colours is 25/48.
The probability that the first two bulbs are of the same colour and the last two are of different colours is calculated as follows:
Given:
n(B) = 3 (Number of blue bulbs)
n(G) = 4 (Number of green bulbs)
n(R) = 5 (Number of red bulbs)
Formula: P(A) = n(A) / n(S)
Where,
P(A) = Probability of event A
n(A) = Number of favorable outcomes
n(S) = Number of possible outcomes
The probability of selecting two bulbs of the same colour is calculated as:
P(SS) = n(B) * n(B) / n(S)
= 3 * 3 / 12
= 1/4
The probability of selecting two bulbs of different colour is calculated as:
P(DD) = n(B) * n(G) * n(R) * n(R) / n(S)
= 3 * 4 * 5 * 5 / 12
= 25/12
Therefore, the required probability is calculated as:
P(SSDD) = P(SS) * P(DD)
= 1/4 * 25/12
= 25/48
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Suppose we are trying to estimate the average annual salary of all high school teachers in a particular region. After gathering data on 100 teachers, we have determined the sample mean to be $50,000 and the sample standard deviation to be $5,000. What is the t-statistic associated with this sample if information from the government reveals that the actual average salary (the population mean salary) is $49,000?
The t-statistic associated with this sample if information from the government reveals that the actual average salary is 2
The t-statistic can be calculated using the formula: t = (sample mean - population mean) / (sample standard deviation / √(sample size))
In this case, the sample mean is $50,000, the population mean is $49,000, the sample standard deviation is $5,000, and the sample size is 100.
Plugging these values into the formula, we get:
t = ($50,000 - $49,000) / ($5,000 / √(100))
t = $1,000 / ($5,000 / 10)
t = $1,000 / $500
t = 2
Therefore, the t-statistic for this sample indicates that the actual average pay is $2, according to data from the government.
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If the mass of a metal bar which is 3. 25 m long is 15 kg, find its mass per metre
For a metal ball which is 3.25m long and weighs 15kg. Mass per meter of the metal bar would be 4.61 kg/m.
Accordingly, the metal bar's mass is 15 kg, Metal bar measures 3.25 meters in length. We're looking for the metal bar's mass per square meter.
Find the sum or total value of two or more numbers by adding them together. It is possible to calculate their difference by subtracting one number from the other. Times or repeated addition are examples of multiplication. After multiplying two or more numbers, the result is a product. Splitting an amount into equal parts is the process of division. When compared to multiplication, it is exactly the opposite.
Afterwards, we can calculate,
The mass per meter of the metal bar = mass of the metal bar / length of the metal bar
⇒ 15 kg / 3.25 m
[tex]= \frac{15}{3.25}=4.61kg/m[/tex]
Hence, the mass per meter of the metal bar would be 4.61 kg/m.
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The mapping diagram represents a relation where x represents the independent variable and y represents the dependent variable.
Is the relation a function? Explain.
A. No, because for each input there is not exactly one output
B. No, because for each output there is not exactly one input
C. Yes, because for each input there is exactly one output
D. Yes, because for each output there is exactly one input
No function exists in this relation. No, since there isn't always a single output for every input.
What is a function?
Each element of X receives exactly one element of Y when a function from one set to the other is used. The sets X and Y are collectively referred to as the function's domain and codomain, respectively. Initially, functions represented the idealized relationship between two changing quantities.
Here, we have
Given: The mapping diagram represents a relation where x represents the independent variable and y represents the dependent variable.
We have to show the relation between a function.
The x-values are entered into the function machine. The function machine generates the y-values after its operations are complete. Any internal function is possible.
A mapping diagram with arrows pointing from negative 3 to 0, negative 1 to 2, 1 to 0, 3 to 2, and 5 to 5, as well as two circles with the numbers 0, and labels for the x and y values, respectively
but according to the definition of y, it should give only one value
Hence, it is not a function.
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Find the equation for the line that passes through the point
(4,−4) , and that is parallel to the line with the equation
−6x−2y=14 .
The equation for the line that passes through the point (4, -4) and is parallel to the line with the equation -6x - 2y = 14 is y = -3x + 8.
To find the equation for the line that passes through the point (4, -4) and is parallel to the line with the equation -6x - 2y = 14, we first need to find the slope of the given line. We can do this by rearranging the equation to solve for y and putting it in slope-intercept form, y = mx + b.
-6x - 2y = 14
-2y = 6x + 14
y = -3x - 7
The slope of the given line is -3. Since the line we are trying to find is parallel to the given line, it will have the same slope. Therefore, the slope of the line we are trying to find is also -3.
Now, we can use the point-slope form of a linear equation, y - y₁ = m(x - x₁), where m is the slope and (x₁, y₁) is a point on the line, to find the equation of the line. Plugging in the slope and the point (4, -4), we get:
y - (-4) = -3(x - 4)
y + 4 = -3x + 12
y = -3x + 8
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Help me pleaseeeeeeee
write the equation with both of them = 100
(3x + 50) + (2x + 15) = 100
combine like terms
5x + 65 = 100
subtract
5x = 35
x = 7
the question asks for <JTU = 2x + 15
plug in x = 7
x = 29
EDIT
Answer:
JTU = 29°
Step-by-step explanation:
I'm not sure if this is correct but I got 29°
(3x+50)° + (2x+15)° = 100°
x= 7°
(2x+15)°
((2x7)+15)° = 29°
please help asap and show work
Answer:
(-3, -4)
Step-by-step explanation:
Rotating a point that has the coordinates (x,y) 180° about the origin in a clockwise or counterclockwise direction, produces a point that has the coordinates (−x,−y). Ari's error was that she rotated "N" by 90 degrees instead of 180 degrees, as the rule for a 90 degree rotation is (-y, x). Therefore, the correct coordinated for N' can only be (-3,-4)