South 71 83 92 246 North 65 91 84 240 Middle 57 55 67 179 Total 193 229 243 665 The table shows a random sample of voters in three regions of a country. At a 10% Level of Significance, test the claim that region and political affiliation are independent. 1. The hypotheses are : Ho:Region and political affiliation are independent Ha:Region and political affiliation are dependent O Ho:Region and political affiliation are dependent Ha:Region and political affiliation are independent 2. This is a O rightO leftO two o | tailed test; d.f. = 4 3a. The STS (to 2 decimals) is x 3b. The P-value (to 3 decimals) =

Q: 2 and B= 1 0. then Show that if A = 6. -1 2 (A + B)(A + B) # A² + 2AB + B?

A: Given that A=-1201 and B=10-12 We have to show that A+BA+B≠A2+2AB+B2

Q: Example 2. Simplify X+ XABCD+ XB +XBCD+X

A:

Q: –2q + 20=

A: Here , we will find the value of q

Q: Show that if A × B = B × A then A = B

A:

Q: Add: 3 1 34 2 3 4

A: By using the property of  addition

Q: Simplify

A: we need to simplify 1x-1+x+3x-3+1x+4

Q: 3 Let A= (MA-|| _23]~B-[2²] and = 6-9 -4 -6 Find - 2A + 2B. - 2A + 2B=

A:

Q: A=[[3,2],[7,5]],B=[[2,6],[3,9]],AB=[[a,b],[c,d]] Determine the values of the entries in the product…

A:

Q: -4 -4 -1 1 -2 If A = 5-5 and B compute AB and BA, if possible. -2 -1 -2 -1 -4

A:

Q: Find the following

A: Given integral is: ∫-9t-2.5-2t-1

Q: What is the LCD of 17/6x, 11/3x+3

A:

Q: QUESTION 1 Rewrite 32⁹x/7 and 1 8x/11 128 in the form 4x 10/01 or ALT+FN+F10 (Mac)

A:

Q: 2x,+x,-7 X; + Xz - 3x, = -10 6x, – 2x3 + X4 = 7 %3D 2x, – 3x, =13 =D13 |

A:

Q: IFA = : ) and B = ( 3 If A = 4 5 10 find -2 -5

A:

Q: Find the inverse of AB if 5 -4 A-¹ and B-1 = = (AB)-¹ = -2 -4 14 -5 2 ]

A:

Q: Find 3A.

A:

Q: 2 1 x²dx -3x

A: Given:

Q: Given that 3x - 5 x²(x - 1) = A B x x² + C + x for some constant real x-1 numbers A, B and C. Find…

A:

Q: he LCD of 7/6x and 8/3x+12

A: LCD is the lowest common multiple of the denominators of a set of fraction .

Q: Let A = 0 5 8 - 3A + 2B = -9 Find -3A+2B. and B = -93 92 C...

A:

Q: (7x + 2) + (3x - 1) (3x + 7) + (2x - 5) (6x2 + 10) + (-4x² - 5) (6x+ 3) + (-6x - 3) (3x + x - 1) +…

A:

Q: 9x4 y4  x  x2  y2

A: Given:  9x4y4 × x2y2

Q: Find x if BC=1,AC=x+5 and AB=2x-2

A:

Q: z - 8 j, k, 64y3 + 125 I. -60x² +315x - 75

A:

Q: Suppose an = 5an-1+4an-2 – 3an-3 and a4 = 22, аs — 127, and ag = 717. Find a1, a2, and аз. ai = a2 =…

A:

Q: Step 2 is worded in a confusing way. Please clarify how Xt and Xt-1 are not iid.

A:

Q: SC₁+ Fuj³d₂ dn

A:

Q: Find the multiplicative inverse of ( v2, -V5 ).

A: Solution

Q: verify that 3(A + B) = 3A + 3B

A:

Q: -18,-15-12 Calculate T2

A: we have to find out

Q: Multiply.     (x+y ) 2

A: The given expression x+y2.

Q: -2 1 21 = a 3 +b -3 -22

A:

Q: 3x+9 What is the value of x in the equation 2 3 O -7 O -5 O 5 O 7

A:

Q: Based on a grade 11 student, answer the following question: Expand the following 2x(3x - y + 1)

A: The objective of this question is to expand the given expression 2x(3x - y + 1). This involves…

Q: 2x - 1 5. Find Lt x + 1 X-2 8个x

A: Introduction :

Q: Let A = -4 4 2 -3 -2 -4 2A-B= 4 -1 -1 Determine 2A - B. and B = -1 3 -3 0 3 -3 -4 -3 4

A: Here, we have given two matrix now we have to find out the required matrix  (2A-B) So, for this…

Percentage

A percentage is a number indicated as a fraction of 100. It is a dimensionless number often expressed using the symbol %.

Algebraic Expressions

In mathematics, an algebraic expression consists of constant(s), variable(s), and mathematical operators. It is made up of terms.

Numbers

Numbers are some measures used for counting. They can be compared one with another to know its position in the number line and determine which one is greater or lesser than the other.

Subtraction

Before we begin to understand the subtraction of algebraic expressions, we need to list out a few things that form the basis of algebra.

Addition

Before we begin to understand the addition of algebraic expressions, we need to list out a few things that form the basis of algebra.