Exercises 129-131 will help you prepare for the material covered in the next section. 129. There are two real numbers whose distance is five units from zero on a real number line. What are these numbers? 16 + 3(2)4 12 - (10 – 6) 130. Simplify: 131. Evaluate 2(3x + 5) and 6x + 10 for x = 4.

Q: Use a real number line to describe why I- 4 I= 4.

A: We have to show that, I- 4 I= 4 by using a real number line. Since, the symbol "I I" represents the…

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A:

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A: Commutative property under addition.

Q: Explain how to simplify the expression 7x - [3x - (2x - 4) + 2] - x

A: The given expression is as below :         7x-[3x-(2x-4)+2]-x

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A: SOl  (-9,-1) is an interval on the number line, Hence the value is in the middle of the interval is

Q: What is the value of x in the expression 125 -5*+107 A) B D

A: The given expression is: 1125x-2=5x+10   As we know from the exponent rule: 1). a-m=1am 2). amn=am×n…

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A: Given The expression is 15-3--1+12÷2·3 .

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A:

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A:

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A:

Q: Simplify the following expression as far as possible: (x - 6)(x+ 6) – (x+ 6)² – (x – 6)². Note that…

A: Arithmetic expression

Q: Why can't "a-b" equal "b-a"? assuming a and b are nonzero real numbers

A: We have to show that (a-b) ≠b-a  by using a & bare non zero real number

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A: let  L=-225we know  -1=i,   where i is stand for iyota

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A: Steps for rationalizing a denominator is Step 1: Multiply numerator and denominator by a radical…

Q: lin says, "i started inside the parenthess and end up with 23x." 8 - 3 (4 - 9x) 8 - 3(-5x) 8 +…

A: It is wrong.

Q: can you help me with rational numbers on the number line

A:

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Q: Can you please explain why you multiplied by 2! in the denominator in step 2? How does that 2! get…

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Q: Make sure to type clearly so I can recreate the steps.

A: The objective of this question is to find the value of the given expression (3√-3)(-7√-12).

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Q: 6252r-6 = 125-3x-5 9. O x = 10 26 17 x = O x = %3D O x = 7

A: If xa=xb then a=b  (xp)q= (x)pq

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Q: Explain how to simplify √10 . √5.

A:

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A:

Q: State the property of real numbers that justifies writing 5(10 + 2) as 5(10) + 5(2).

A: State the property of real numbers that justifies writing 5(10 + 2) as 5(10) + 5(2).