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: 9. Add and MUST Simplify if possible: 3. - - 3.

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Q: Which of the following is equivalent to 4x? + – + 9+++÷2x² +++x + – + 3+? - 2x 3

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A: We have to solve given problems:

Q: 6. 41 4 if possible. - 2 4 Multiply 4 - 2 1. If not possible, enter DNE. Add Work

A: Let A =-2444-21The number of rows of A is 2 and number of columns is 3.Hence the order of the matrix…

Q: 8. Which expression is the simplest form of V48 – 4V6

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Q: Suppose that 5 bulldozers can load 8 trucks full of gravel in 40 minutes. Assume all bull dozers…

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Q: The simplest form of X = (A + B) + AC is. Oa. Ob. C. O d. X=A+B+C X = AB X=ABC X = A + AC

A: Topic = Boolean Algebra

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A: Given that

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Q: 17. EC bisects ZBED, mZAEB = 11x-12 and mZCED = 4x +1. Find mZAEC. %3D %3D A + D

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A: We have to find

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Q: can you break it down into a simpler example

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Q: If 2 [2 A = 1 4 4 3 -3 and B = 4 4 2 -2 -3 1 -4 4 Then 2A + B =

A: We have to use matrix addition.

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Q: 17. Perform the following operation: 6х — 18 2.x + 10 2 7aI

A: Topic:- algebra

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.