Practice Questions 1. Given that a = (1,2, 3) and b = (1, –1, – 1). Show that a is perpendicular to (a - b) x (a+ b)

Q: Step by step how do I solve this problem? Please help.

A: The function may be written as y= f(x) Domain: It is the possible inputs of the function. Here it is…

Q: How do I solve these

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Q: what is x since it isn't what you wrote, i tried solving it myself but its not the right answer…

A: Note: After seeing the previous explanation we observe that the previous answer is correct, but the…

Q: This is a little bit difficult to read can you rewrite this please to better understand?

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Q: Can you please help me solve this in detail so I can understand it better? I don't feel confident…

A: Take LCM then solve

Q: Please solve these problems  thanks

A: Given:   n x¯ s Pick a pair 31 85.2 3.45 Pickled peppers 30 82.1 4.62 Confidence interval…

Q: This is one question with several parts. please complete everything needed. thank you.

A: k= 3 Treatments or groups Each group has 6 observation n=3*6= 18 Total observation SSTr= 1924 Sum of…

Q: Example 2:Find f Vx2 – x4 dx

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Q: Find the number of roots for the equation. 5x4 + 12x³ – x² + 3x + 5 = 0

A: As we know that the number of roots is equal to the highest power of the polynomial.

Q: 6)) Given the graph of f'(x) find the values of x where the curve y = f(x) has horizontal tangent…

A: (By bartleby rule, only questions from first part have been answered) The graph of f'x is shown…

Q: One more time. Write the equ of a line that safely lands the plane. Press "Submit" to see if the…

A: Given-  To Find- The equation of the line that safely lands the plane. Formula Used- The equation…

Q: Hello, I'd like to know how you did the first step. I don't understand how you got there. Thanks

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Q: Can you help me I don't know what to do first.  Thank you

A: i have question 9 for next question repost

Q: could you please write the solution again please

A: The process of decomposing and then integrating a rational fraction integrand with complex terms in…

Q: Please type the solution so I can read it, I don't understand some of the symbols or letters used…

A: We have given that Mean(µ) = 72.6Standard deviations (σ) = 4.78X ~ N (µ, σ )= N(72.6, 4.78)

Q: Explain the process in this solution thoroughly. Thanks!

A: Given differential equation:- (16x+5y)dx+(3x+y)dy=0 To find :- The particular solution of the…

Q: Hi There, thank you for giving this a go! I tried inputting this answer, but it came back as being…

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Q: Can you please help me solve in detail. Thank you.

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Q: A company institutes an exercise break for its workers to see the effect on job satisfaction, as…

A: Consider that µd is the true mean difference of worker job satisfaction after the implementation of…

Q: Please solve all parts.

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Q: Bonus: A smiley face on a balloon is 4 inches tall when the balloon has a volume of 64 inches cubed.…

A: The given question can be solved as shown in step2.

Q: I keep getting stuck trying to solve this please help

A: Recall the following fact.