Select all that are true. The reduced row echelon form of a matrix A is unique. ✔ Cramer's Rule can be used to solve some 2 × 2 or 3 × 3 linear systems. All square matrices A are diagonalizable. Let A and B be two n x n matrices then det(AB) = det(A)det(B).

Q: Match these values of r with the accompanying scatterplots: -0.683, 0.32, 0.683, 1, and -0.32. Click…

A: Method: Using the concept of correlation coefficient, r and r must be lies between -1 to 1.

Q: The graph represents the volume of water in the two flasks in relation to time. 100 80 60 40 20 4 8…

A: Given that, Carmen's experiment starts with 30 milliliters of water in a flask and the water…

Q: What type of variable is a letter grade

A: Given variableLetter grade The types of variables are1) Categorical variableThe variables which can…

Q: Find the value of y.

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Q: temperature

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Q: I need help solving this.

A: The normal distribution: A continuous random variable X is said to follow normal distribution if the…

Q: Match these values of r with the accompanying scatterplots: 0.758, 1, - 0.996, - 0.758, and 0.996. W…

A: The correlation coefficient is the measure to tell how strong is the relationship between two…

Q: The Department of Motor Vehicles collects information when renewing a driver's license. The…

A: Introduction: It is required to identify the variable which is the label in this case.

Q: Dim P2 = 2. O True O False

A: A basis for P2 is { 1, x, x2}

Q: 10 5 8.

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Q: A STU is similar to A VWX.Find VW. W 21 28 S U 24

A: We have △STU is similar to △VWX. So we get STVW=TUWX⇒VW=ST·WXTU=21·428=21·17=3

Q: I need help solving this.

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Q: Is the attached picture the correct option?

A: The explanation in the given answer is correct. So, the diagram of the region of integration is the…

Q: 4. Find P7 A. z = -3.21 B. z = -1.48 C. z = 1.48 D. z = 0.74

A: Z-score percentile  * For normal distribution Excel command to get z-score from p-value…

Q: ら.5 4.25 3. 2. 立.- 3.

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Q: W Click the icon to view the scatterplots. ..... Match the values of r to the scatterplots.…

A: Given correlation  -1,-0.78,0.997,-0.457,1

Q: I need help

A: When written side by side it means addition.

Q: 8 Scatterplot 1 Scatterplot 2 0.2 0.4 0.6 0.8 0 0.2 0.4 0.6 0.8 1 Scatterplot 4 Scatterplot 5 0.2…

A: Here, in the figure 1 we can see that trend line is negative and strong correlated then it (-0.994).…

Q: Find the number of ways to arrange the letters in REVERENCE. There are ways to arrange the letters…

A: given data  word : REVERENCE   number of ways to arrange letter of reverence = ?

Q: +2 8. 1- 74

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Q: E F 15 3 R 15 Write your answers as decimals or whole numbers. EF = RS = 2.

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Q: Match these values of r with the accompanying scatterplots: 0.994, 0.359, 0.713,-0.994, and Click…

A: Scatter plot shows the data points, it is used to determined the strength and direction of the…

Q: Match these values of r with the accompanying scatterplots: 0.687, - 0.687, 1, - 1, and - 0.374. |…

A: Match scatter plots to r values.

Q: A bag has 10 marbles in it. 4 are Red, 1 are Green and 5 are Blue. You select 2 marbles, one at a…

A:

Q: -2 degrees c and 15 degrees c. What is the new temperature

A: We will use concept of average.

Q: Given p= and a = , find 2p - q. 2p - q = <

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Q: Which of the following could not possibly be the value of r?     -.98     .01     -1.01…

A: The correlation coefficient denoted by 'r' is a statistical computation which measures the strength…

Q: Find projvu.u = (2, 5), v = (0, 5)

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Q: Match the parametric equation to its graph. x = t sin(t²), y = t cos(t²) b. x = t³, y = cos² t c. x…

A: Given: x=tsint2, y=tcost2 x=t3, y=cos2t x=e-t+et-10, y=t2-4sint x=sintcos3t, y=sin23tcost To do:…