Question 3 (1 point) Suppose a, 3, and 7 are vectors such that = (3, 1, -5) and 7xa= (7, -7, 1). , b, What is (3-)*(-a)]? O (-4, 8, -6) O (4, -8, 6) (10, -6, -4) O(-10, 6, 4)

Q: question 5

A: The Specialty Toys Company faces a challenge of deciding what percentage units of a brand new toy…

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Q: I'm confused on which one is it

A: A. Correlation between two variables measure the strength and direction between two variables. It…

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Q: My homework is saying it's wrong?

A: One factor of the quadratic polynomial 5x2+2x+27 is 5x+9. Let, the other factor be (x+a), then…

Q: Which is the right option?

A: Pascal's identity states that Ckn=Ckn-1+Ck-1n-1 for any positive k and n. here  Ckn  are binary…

Q: this is a different question. it is not my question

A: Given that Sample size=17  Probability of success=0.748  Probability of failure=0.252 We have to…

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A: The last statement listed in the question has already been solved. Then, the last statement listed…

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Q: The answer

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Q: Could you explain (b) as well?

A: We have to prove the following proofs:(i)rank(AB)<=min{rank…

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A: To find a positive value of  such that the average value of  over the interval  is 20.

Q: It is wrong. It says they are both incorrect.

A: X-intercepts are found by substituting y=0 in the given function.

Q: where is part b of the question

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Q: Attached is question

A: Solution is given below:

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A: I have appended the formula used in the solution part of the question