In Exercises 20–23, determine whether each statement is true or false. V3 V3 20. - 5 5 21. (x|x is a negative integer greater than -4} = {-4, –3, –2, –1} 22. -17 ¢ {x|x is a rational number} 23. -128 + (2·4) > (-128 ÷ 2) · 4

Q: 75 - 3.5y - 4y = 4y + 6

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Q: . Sales The table shows the sales (in billions of dollars) for Wal-Mart stores from 2006 through…

A: Answer :Sales of wal-mart is given for a period of 2006 through 2013Now, let us assumes that…

Q: In Exercises 117-130, simplify each algebraic expression. 117. 7x + 5.x 118. 8x + 10x 119. 6x? - x2…

A: algebraic expression are given , we have to simplify it

Q: "If a and b are positive integers, a divides b and b divides a, then a = b."

A: To Prove: '' If a and b are positive integers, a divides b and b divides a, then a = b''.

Q: In Exercises 9–12, the given expressions are designed to yield results expressed in a form of…

A: The indicated operation is,0.312

Q: 58. LEOPARD FROG You can estimate the distance (in centimeters) that a leopard frog can jump using…

A: consider the expression, 13l where l is the frog's length it is given that the frog's length is 12.5…

Q: Problem 1. Do the following sets of vectors span R3? Select an Answer 1. 2 -8 2 2 -8 -1 2 Select an…

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Q: simpify 49. 50. + x* +x 51. x + 3 x + 7x + 12 52. x* - 4 X - 2 + + 2.

A: Since you have asked multiple questions in single request,  So we will be answering only first…

Q: For Exercises 1–2, simplify the expression. 8! 1. 3! · 5! (2n + 1)! 2. (2n – 3)!

A: Factorial of a number: The factorial of a number is the product of all the numbers from 1 to that…

Q: 00:00 Select each pair of expressions that are equivalent. 3x + -x+1 2 4 and 4x + 1 3 2 4. 2+6x and…

A: To select each pair of expressions that are equivalent

Q: Q: True or false  and explain why  please help with this proof

A:

Q: In Exercises 55–78, use properties of rational exponents to simplify each expression. Assume that…

A: We have to simplify the given expressions using properties of rational exponents: 55.  334·31456.…

Q: Make Sense? In Exercises 135–138, determine whether each statement makes sense or does not make…

A: To determine whether each statement makes sense or does not make sense, to explain the reasoning.…

Q: Exercises 49-54: Evaluate the expression with a calculator. 49. (23 - 5.6) + (-41.5 + 936) 50.…

A: To evaluate the expressions: 49)(23-5.6i)+(-41.5+93i) (23-5.6i)+(-41.5+93i) On simplifying further…

Q: A college entrance exam company determined that a score of 22 on the mathematics portion of the exam…

A: From the provided information, Sample size (n) = 200 Sample mean (x̄) = 22.6 Sample standard…

Q: In Exercises 3–4, use the order of operations to simplify each expression. 8 - 3? ÷ 9 |-5| - [5 -…

A: To simplify mathematical expression, the order of operation is BODMAS that is brackets,…

Q: If x +30=11x , then which of the following shows all possible values of x? (-3, -10) B) (-6, 5) C)…

A:

Q: Discrete Math Let a be an odd integer. Show that (a) 8 | a^2 − 9; (b) 16 | a^4 − 81.

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Q: *218. 18 *$27+ 67 161 f

A:

Q: Which number line show the value of x that makes this equation true? -2x = -12 -7 -6 -5 -4 -3 -2 -1…

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Q: Motorcycle license plates in the state of California start with two digits(0–9), followed by one…

A: There are a total of 6 digits and one letter on the license plate and repetition is not allowed.…

Q: solve 2 46. x + 2 4 x -x - 2 * x+ 47. 48. 2 x +1

A: Given:46.1x+2+1x2-4-2x2-x-247.1x-12x-248.1x-1x+11x+1x+1

Q: simplify 1 53. x + 3 1 x - 9 54. x + x - 2 x - 5x + 4 2. +

A: 53 ) Simplify: 1x+3+1x2-9

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A: Given I: F3i×→Z/8Z

Q: Fractional Exponents 91. x2 - x/2 +. 93. x2 + 2x- + x/2 + 2r

A: Since you have posted multiple questions, as per our policy we will answer first question. Please re…

Q: 8. Find the values of x, y, and z in the figure. (8х-7) (3х - 11)° (2y+23) (3z2 – 5)° (4y+8)°

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Q: In Exercises 17-19, add or subtract as indicated. Simplify the result, if possible. 4x + 1 17. Зх —…

A: We have to add or subtract to simplify the expressions: 17.  4x+13x-1+8x-53x-118.…

Q: Drag a number or expression into the box(es) for each step to evaluate the expression. Step 1 Step 2…

A: Given Expression: 92-173 12-2

Q: In Exercises 83–90, perform the indicated operation or operations. 83. (3x + 4y)? - (3x – 4y) 84.…

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…