If A = 3ai +4j-k and B=4i+j-3k, find the value of a if A normal to B.

Q: integrate |8x2 x+7 dx 8xx+7 dx =| Vx+7dx

A:

Q: number of situps a person can do (y). The results of the regression were: y-ax+b a--1.091 b-33.551…

A: regression equation : y = ax + b y = -1.091x + 33.551

Q: he line of best fit through a set of data is y=−39.338+2.368x According to this equation, what is…

A: The regression line is: y=−39.338+2.368x

Q: do you need to add the days to the regression equation

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Q: Suppose the equation of the regression line for the number of emails a person recieves at a…

A: The regression equation is given as y = 10 +4x , where the independent variable x is the number of…

Q: Pearson's r ranges from -1.00 (the strongest possible negative relationship) to + 1.00 (the…

A: Correlation: The correlation is used to measure the strength of the association between variables.

Q: The line of best fit through a set of data is y = 11.943 + 2.982x According to this equation, what…

A: Given,   The line of the best fit through a set of data is,     The objective is to predict the…

Q: Suppose the equation of the regression line for the number of emails a person recieves at a…

A: We have find critical value...

Q: Write the regression equation that Breusch-Godfrey test use to find out if the errors are…

A: Given: Breusch-Godfrey test is used to find out if the errors are independent.

Q: The standard error of the constant is

A: Given : Standard Error : Standard error of a statistic is the standard deviation (SD) of its…

Q: Use the regression equation to predict the value of y for x = -0.2. Assume that the variables x and…

A: Solution:  x y (x-x) (y-y) (x-x)(y-y) (x-x)2 -5 11 -4.5 9.3 -41.85 20.25 -3 6 -2.5 4.3…

Q: Identify the permanent effect on y?

A:

Q: Separate ỷ into y and y if y is in the direction of u %3D

A:

Q: The line of best fit through a set of data is 6.227 – 1.507x According to this equation, what is the…

A: We have given that the line of best fit through a set of data is          y^ = -6.227 - 1.507*x

Q: Find a solution e²=Inx

A: The given equation is ex=lnx To check whether the solution exists or not we will plot the two curves…

Q: dªy where y dx4 Find

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Q: When you change my y=mx+b from m=1 to m=10 what happens

A: Given - Equation of line To Find - Change in line when we change the slope

Q: Fl)=3x"-7 and glx)=3x+18 -whatig Cg-f)(-3) what is or

A:

Q: The line of best fit through a set of data is ŷ = 14.714 – 3.985x According to this equation, what…

A: Given, y = 14.714 - 3.985 * x

Q: A regression was run to determine if there is a relationship between hours of TV watched per day (…

A: Solution: The estimated regression equation is  y^= 36.465-1.082x Where y= Number of sit-ups person…

Q: The line of best fit through a set of data is y = - 42.824 – 3.033x According to this equation, what…

A: It is given that Regression line of y on x is y = -42.824 - 3.033x

Q: 4 8.

A: Please see the answer below.

Q: 4) dr In((3x² – 4x + 7)(5x³ – 9x)®) Hint: applying properties of limits will help you avoid using p…

A: Given, 4) dln3x2-4x+75x3-9x8dx  5) dcos4x2-5dx  We have to differentiate it.

Q: The volume (in cubic feet) of a black cherry tree can be modeled by the equation y = - 51.9 +0.3x,…

A: Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: x and y vary directly, as y increases, what happens to the value of x?

A:

Q: Find the equation of the line through the point (2, 5) that cuts off the least area from the first…

A: Given,The line passes through the point .Aim: To find the equation of the line that passes through…