2. The table below shows the number of composition notebooks and the corresponding costs. Test if there is a significant difference between the two. Use 0.05 level of significance. Number of Composition Cost (y) Rank of x Rank of Y D D² Notebooks (x) 1 25 2 50 3 75 4 100 5 125 6 150 n=6

Q: 2) folve 27 L1 J2-5 -2z -J3

A: solve2z+1-2z-3=2-i3

Q: 4. 3x 2x+3 4x-3

A:

Q: 4. (x2 + 5x -6)(3x-4)

A:

Q: 2(3y-6)/2=3y

A: 2(3y-6)/2=3y

Q: . O 17. Find the values of a, b,and cfor y = 4x2 – 8x – 12. a=

A: Explanation of the answer is as follows

Q: 6. 3.

A: The given figure is: Here, AB is tangent line and BD is a secant line.

Q: Select the correct option. Add the linear expressions 8x+3 and 2x+7.

A: Addition of linear equations :  aX + b = c  pX + q = r  Addition :  (a + p)X + (b+q) = (c+r)

Q: (a) Write down A. (The grid spacing is 1.) (b) Write down the two different possible B. TA TB

A: According to the Bartleby guidelines, I'm answering the first question for you. Please re-post other…

Q: Find the value of x

A:

Q: -3x +4y by replacing x with 0.3 and y with 0.25

A: By using algebraic properties

Q: 4x3=2-1     Find x

A: Answer

Q: 2x+4y>6

A:

Q: A particle is moving along an s-axis, where s is in feet. During the first 5 seconds of motion, the…

A: Equation of position of particle during 5 second is given by s=10-(3-t)2,  0≤t≤5 Initially at t=0…

Q: If p = [7, 2]  and  q = [5, -1], find p - q.

A: Given: p = [7, 2] and q = [5, -1]

Q: If 3x+3y=4 and 3x+8y=9 then what is x ?

A: Explanation of the answer is as follows

Q: 5x - 3y = 18 3x + 3y = 30

A: From the given problem:   5x-3y=18 ....13x+3y=30.....(2)   Now adding the equation (1) & (2).…

Q: 2p2 – 7p = 14   p = (7 +  \/273)/4                             b.      p = (-2 +  \/14)/7   p =…

A: We have to simplify the expression 2p2-7p=14.

Q: Which point is not in the solution set of y 2 2- 3x? A (4, 3) B (-2, 0) C (7, 5) D (5, 7)

A: We have to identify that which point is not in the solution set of y≥2-3x where points are given as:…

Q: 29. 2x2 + 5x + 2

A:

Q: find the domain

A: Given:

Q: V5. 1 Determine the value of x using the diagram provided.

A:

Q: Find g(-3). Consider the following. y 4 2 4 -2 -4

A: Since there is a blank dot that means that we need to look for black dot hence the functional value…

Q: Find x, and X2 -14 23 3 1 X2 - 4 X1 X2 = %3D II

A: here we use the simple multiplication of matrices

Q: 3) Find the value of x. 14. 3 2

A: We have to find x

Q: I I-5x² + 32x-35 T. T -8x2 + 20x-12

A: Solution:Given E      6x2+11x-4I     -5x2+32x-35T     -8x2+20x-12To evaluate at x=2

Q: Find the value of x

A: In this problem x is the hypotenuse. sin42° = 2/x

Q: Let a = (-1,0, 5) and 6 = (3,-1,0). Find à x 6. < V

A:

Q: + 6x2 + 5.x3 4x2 + 7x3

A:

Q: Amir lives at point B (2, 4). Eric lives at point C (3, -3). The Pizza Shop is located at point A…

A: Step 1: Step 2: Step 3: Step 4:

Q: Find x. 10 (2x+5) 52 (5x - 6)•

A:

Q: A Nathan organized pile X of paper on his desk, and Gerald organized pile Y on his desk. The figure…

A: Volume is just the amount of space contained within a 3-dimensional object.

Q: 2x² + 2x + 2 . Evaluate. x2 +2

A: The given integral is definite integral  So firstly integral will be done after that limit will be…