A firm knows from its past experience that its monthly average expenses (X) on advertisement are Rs 25,000 with standard deviation of Rs 25.25. Similarly, its average monthly product sales (Y) have been Rs 45,000 with standard deviation of Rs 50.50. Given this information and also the coefficient of correlation between sales and advertisement expenditure as 0.75, estimate (i) the most appropriate value of sales against an advertisement expenditure of Rs 50,000 (ii) the most appropriate advertisement expenditure for achieving a sales target of Rs 80.000

Q: Find a and that solve the vector equation: + ß ;) = (³) 3

A:

Q: 42 12) 1. +2

A: We have to solve the system of linear equations.

Q: 4) 45

A: The length of the side AB=32 units. An angle m∠A=45∘ The objective is to find the value of 'x'.

Q: 33. (3, 5) reflected through the origin is a. (3, -5) b. (3, 5) c. (-3, 5) d. (-3, -5)

A: When (3,5) reflected through the origin , both the x-coordinates and y-coordinates are negated(their…

Q: 7) 11 football players in a huddle

A:

Q: 2+5+8+11+...293

A:

Q: b) т? — 9т + 20

A:

Q: factos. 24+5a-a2

A:

Q: Find a23. Find a14.

A:

Q: 15) 47 28

A: In this question we have to find value of x.

Q: 0=N+ +02 NzP OOT AJOS

A:

Q: 16) 93

A: Given,

Q: 1.5,3,6, 12, How does it change?

A: Try to observe the logic behind the changes occurring in successive terms.

Q: 5) r= 2-3 cos O

A: The given equation r=2-3 cosθ

Q: 12 189 :- 245 500

A:

Q: 2) (-17) + (-22) + (-27) + (-32)..., A) -224 B) -448 C) -217 D) -218

A:

Q: 5 15 b) 12 28

A:

Q: by Gaclening 2.

A:

Q: find a formula for a, for the arithmetic sequence.

A:

Q: a. b C. A. B' B' B' b. d. A. B' 432 Unit 6 Evaluation

A: