Mathetmatics

Class - 6 question

Topic - Roman Numerals :-

Question:-

The number VCX is incorrect. Explain why?

Answer as fast as you can. I'l mark you as brainliest

Given:

The rule of transformation is:

\((x,y)\to (y,x)\)

The three points are A(-2,1), B(4,-3), C(-2,-4).

To find:

The image for the given points using the given rule.

Solution:

The three points are A(-2,1), B(4,-3), C(-2,-4).

The rule of transformation is:

\((x,y)\to (y,x)\)

Using this rule, we get

\(A(-2,1)\to A'(1,-2)\)

\(B(4,-3)\to B'(-3,4)\)

\(C(-2,-4)\to C'(-4,-2)\)

The image of given points are A'(1,-2), B'(-3,4), C'(-4,-2). Therefore, the correct option is B.

S is not a basis for R3 because it is linearly dependent and does not span R3.

To explain why S is not a basis for R3, we need to consider the properties of a basis, which are linear independence and spanning the entire space.

S = {(1, 1, 1), (0,1,1), (1,0,1), (0, 0, 0)}

Step 1: Check for linear independence
A set of vectors is linearly independent if none of the vectors can be written as a linear combination of the other vectors in the set. In this case, S is linearly dependent because the fourth vector (0, 0, 0) can be represented as a linear combination of the other vectors:

0 * (1, 1, 1) + 0 * (0, 1, 1) + 0 * (1, 0, 1) = (0, 0, 0)

Step 2: Check if S spans R3
A set of vectors spans R3 if every vector in R3 can be written as a linear combination of the vectors in S. Since S contains the zero vector (0, 0, 0), it does not contribute to the span of S, and the remaining three vectors are not enough to span R3.

In conclusion, S is not a basis for R3 because it is linearly dependent and does not span R3.

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Answer: 13/25

Step-by-step explanation: it is equal to 52% which is greater than 50%

50% is greater than 13/25. To compare these two values, you can convert both of them to a common denominator, such as 50%. 50% is equal to 1/2, so 13/25 is equal to 52/50, which is less than 1/2 or 50%. Alternatively, you can also express both fractions as decimals and compare the two values that way. 50% is equal to 0.5, and 13/25 is equal to 0.52, so 50% is still greater than 13/25.

Answer:

3/8 pages in 1 minute

Step-by-step explanation:

(3/4)/2 = x/1

3/4 * 1/2 = 3/8

The statement is true. If a matrix A has a row or column of zeros, then 0 is indeed an eigenvalue of A. Let's assume that matrix A has a row of zeros.

To find the eigenvalues of A, we need to solve the characteristic equation, which is given by det(A - λI) = 0, where λ is the eigenvalue and I is the identity matrix. Since A has a row of zeros, subtracting λI from A will still keep that row of zeros. Consequently, the determinant of the resulting matrix will also have a row of zeros. Since the determinant of a matrix with a row of zeros is always zero, we can conclude that 0 is an eigenvalue of A.

The same logic applies if A has a column of zeros. Subtracting λI from A will preserve the column of zeros, resulting in a matrix with a column of zeros in the determinant calculation. Thus, the determinant will be zero, confirming that 0 is an eigenvalue of A in this case as well.

In both scenarios, the presence of a row or column of zeros directly leads to the characteristic equation having a solution with λ = 0, proving that 0 is an eigenvalue of A.

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The coordinates of point H are (2 - 3, -4) = (-1, -4).

In mathematics, a graph is a visual representation of a relationship between two variables. It is usually represented as a set of points on a coordinate plane, where the horizontal axis represents one variable and the vertical axis represents the other variable. The points are plotted based on their corresponding values for the two variables, and a line or curve is drawn through the points to show the relationship between the two variables.

Graphs are often used to represent mathematical functions and equations, as they provide a quick and easy way to visualize the relationship between the input and output values. They can also be used to represent data in fields such as science, economics, and social sciences, where they provide a way to analyze and interpret data trends and patterns.

Graphs can be drawn by hand, using graph paper and a ruler, or they can be generated using software, such as spreadsheet programs, mathematical software, and graphing calculators. In addition to helping to visualize the relationship between two variables, graphs can also be used to estimate values, find maximum and minimum points, and make predictions.

The coordinates of point H can be determined by subtracting 3 from the x-coordinate of point G. Therefore, the coordinates of point H are (2 - 3, -4) = (-1, -4). So, point H is located 3 units to the left of point G on the x-axis.

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Answer:

3 pi

Step-by-step explanation:

\(C= 2\pi r\)

\(C= 2\pi 1.5\)

\(C= 3\pi\)

Develop an estimated regression equation to predict the percentage of games won based on the percentage of field goals made and determine if there is a significant relationship between the two variables at the .05 level of significance.

To develop an estimated regression equation that can be used to predict the percentage of games won given the percentage of field goals made and test for a significant relationship at the .05 level of significance, follow these steps:

1. Gather data: Collect data on the percentage of games won and the percentage of field goals made for a representative sample of teams or seasons.

2. Perform a regression analysis: Use statistical software or a spreadsheet tool to run a linear regression analysis, where the dependent variable (Y) is the percentage of games won and the independent variable (X) is the percentage of field goals made.

3. Obtain the regression equation: From the regression analysis output, find the coefficients for the intercept (b0) and the slope (b1). The estimated regression equation will be Y = b0 + b1X.

4. Test for a significant relationship: To determine if there is a significant relationship between the percentage of games won and the percentage of field goals made at the .05 level of significance, analyze the p-value associated with the independent variable (X) in the regression output. If the p-value is less than .05, there is a significant relationship between the variables.

5. Interpret the results: If a significant relationship exists, the regression equation can be used to predict the percentage of games won based on the percentage of field goals made. The slope (b1) indicates how the percentage of games won changes for each percentage point increase in field goals made. If there is no significant relationship, the equation cannot be used for reliable predictions.

By following these steps, you can develop an estimated regression equation to predict the percentage of games won based on the percentage of field goals made and determine if there is a significant relationship between the two variables at the .05 level of significance.

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Answer:

12h = f

Step-by-step explanation:

12 represents how much $ she is earning PER hour, and "h" represnts the hours worked.

Example question:

If Lara works for 4 hours, she would earn a total amount of $48. Subsitute "h" for 4 because that's how many hours she worked. Then, multiply 12 by 4.

12(4) = f

48 = f

HOPE THIS HELPED! :)

Answer:

0.96

Step-by-step explanation:

Total samples of window = 10smaples

Total seal break = 4% of 10

Total seal break = 0.04 * 10

Total seal break = 0.4

THis means that no seal will be break on 96% of the window i.e 9.6 windows

The probability that, in a sample of 10 windows, no seals will break is expressed

as;

Pr(no seal will break) = 9.6/10

Pr(no seal will break)  = 0.96

Hence the probability that no seals will break is 0.96

Answer:

\(|RS| = \sqrt[3]{19}\)

Step-by-step explanation:

The computation of the magnitude is shown below:

Data provided in the question

Given points

R(3,7,-1), S(10,-4,0)

Now the distance lies between R and S

RS = (10 ,-4, 0) - ( 3 ,7, -1 )

     = (10 - 3, -4 - 7, 0 - (- 1))

     = (7, - 11, 1 )

After that, the magnitude is determined by using the following calculation part

\(|RS| = \sqrt{(7)^2 + (-11)^2 + (1)^2} \\\\ = \sqrt{49 + 121 + 1} \\\\ = \sqrt{121}\\\\ = \sqrt[3]{19}\)

The exact value of tan(2arcsin(x)) is 2x / √(1 - x²), where |x| ≤ 1.

To find the exact value of tan(2arcsin(x)), we start by considering the definition of arcsin. Let θ = arcsin(x), where |x| ≤ 1. From the definition, we have sin(θ) = x.

Using the double angle identity for tangent, we have tan(2θ) = 2tan(θ) / (1 - tan²(θ)). Substituting θ = arcsin(x), we obtain tan(2arcsin(x)) = 2tan(arcsin(x)) / (1 - tan²(arcsin(x))).

Since sin(θ) = x, we can use the Pythagorean identity sin²(θ) + cos²(θ) = 1 to find cos(θ). Taking the square root of both sides, we have cos(θ) = √(1 - sin²(θ)) = √(1 - x²).

Now, we can determine the value of tan(arcsin(x)) using the definition of tangent. We know that tan(θ) = sin(θ) / cos(θ). Substituting sin(θ) = x and cos(θ) = √(1 - x²), we get tan(arcsin(x)) = x / √(1 - x²).

Finally, substituting this value into the expression for tan(2arcsin(x)), we obtain tan(2arcsin(x)) = 2x / (1 - x²).

Therefore, the exact value of tan(2arcsin(x)) is 2x / √(1 - x²), where |x| ≤ 1.

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No, a trapezoid.

14) Let's plot those points for a visual conclusion

Note that B = B'

So the answer is:

No, as we can see the image defines a Trapezoid as another quadrilateral. without four right angles, and without four congruent sides.

We can also be sure by the fact that if we subtract the corresponding x values of each point of ABCD we'll have 4 units.

Answer:

The volume for the triangular prism is 40.5 cubic inches.

Step-by-step explanation:

Given:

The base of a triangular prism has an area of 18 square inches .  

And the height is 4.5 inches.

Now, to get the triangular prism volume.

The base area = 18 square inches.

Height = 4.5 inches.

Now, to get the volume of prism we put formula:

1/2x base x height

1/2x18x4.5

=40.5cm³

Therefore, the volume for the triangular prism is 40.5 cubic inches.

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Answer:

d ( but I really don't know the answer maybe it right

Step-by-step explanation:

right

Answer:

5 + 2m = y

Step-by-step explanation:

5 being the y-intercept or initial cost

m being miles

5 + 2m = y (where y is the total amount at the end)

Step-by-step explanation:

ABCD is a quadrilateral triangle,where AD=BC and <DAB =<CBA.

In ∆ABD and ∆BAC

•AD=BC. (given)

•<DAB=<CBA (given)

•AB=BA. (common side)

Therefore, ∆ABD ≌ ΔBAC. {SAS congruence rule}

Field data aggregation is the process of summarizing, combining, and analyzing data that has been collected from various sources. The following are some of the common ways that field data is aggregated: Count of Failures: A count of how many times a failure has occurred within a given period of time,

such as a day or a week. Number of Failed Parts: The number of parts that have failed over a given period of time, such as a day or a week. Hours of Operation: The amount of time that a machine or system was operational during a given period of time, such as a day or a week. Maintenance Time: The amount of time that was spent maintaining a machine or system during a given period of time, such as a day or a week.

Mark for Follow-Up: An indication of which issues need to be addressed or followed up on to prevent future failures or improve performance. Field data aggregation is the process of summarizing, combining, and analyzing data that has been collected from various sources. The following are some of the common ways that field data is aggregated: Count of Failures: A count of how many times a failure has occurred within a given period of time,

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Answer: 16,384

Step-by-step explanation:

The seven marbles have different colours, so we can differentiate them.

Now, suppose that for each marble we have a selection, where the selection is in which jar we put it.

For the first marble, we have 4 options ( we have 4 jars)

For the second marble, we have 4 options.

Same for the third, for the fourth, etc.

Now, the total number of combinations is equal to the product of the number of options for each selection.

We have 7 selections and 4 options for each selection, then the total number of combinations is:

C = 4^7 = 16,384

Answer:

the answer is 16384

Step-by-step explanation:

have a nice day.

The options are given as follows:

a. H0: fragrance opinion is not independent of gender; Ha: fragrance opinion is independent of gender

b. H0: gender = fragrance opinion; Ha: gender \(\neq\) fragrance opinion

c. H0: fragrance opinion is independent of gender; Ha: fragrance opinion is not independent of gender

d. H0: gender \(\neq\) fragrance opinion; Ha: gender = fragrance opinion

The null hypothesis of a test always predicts no effect or no relationship between variables, while the alternative hypothesis states your research prediction of an effect or relationship.

The answer is option (d).

H0: gender \(\neq\) fragrance opinion

Ha: gender = fragrance opinion

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Answer:

isolate the variable by dividing each side by factors that dont contain the variables. so this mean -3(x+n)=x becomes x= -3n over 4, I hope this helps.

Answer: Start with y2-y1/x2-x1

-4+7/-6+3

Answer=2.5 or 5/2

DONT TRUST ME THOUGH

Step-by-step explanation:

Answer:

Please make a clearer image, for some reason it won allow me to view it.

Step-by-step explanation:

Answer:

Step-by-step explanation:

x=12

y=14

Answer:

21

Step-by-step explanation:

trust (used a calculator)

Answer:

The focus would lie at (-8,16)

Step-by-step explanation:

Answer:

Hexagon

Step-by-step explanation:

It has more than 3 sides because it is more sides than a triangle and less than 5 since it has to be fewer sides than a pentagon. A hexagon has 6 sides meaning it has more sides than the pentagon.

Answer:

It should be hexagon

Step-by-step explanation:

Hex equals 6 and quad equals 4, so it would not be quadrilateral or square or recanatgle. So hexagon is your answer.

Answer:

The area is 45 inches

Step-by-step explanation:

L×W=A