True or False? 5. Let x and y be integers. If 5x − 7 is even, then x is odd. 6. Let x and y be real numbers. We have that |x| = |y| if and only if x = y.

Q: Today, a new truck costs $38,000. in 1980, the truck costs $9,000. what is the price relative?

A: The price relative is a measure used to compare the price of an item at two different points in…

Q: 74. Prove that for any real numbers a and b, |b − a|=|a − b|.

A: Given; a and b are any real numbers Consider, L.H.S=b-aWe can write it as,=b+-a=-1-b+a=-1a-b…

Q: If all variables in the expression 5/x10y – 4x/xy represent nonnegative real numbers, then which of…

A: Given,          The expression is 5x10y9-4xxy9 .

Q: Find all the zeroes of the equation. 27x – 324 = -x* O-3, -61 03, 6i 03, -3, 6i, –6i 03, -3, 6i, 0

A:

Q: 5. Determine whether or not the expression is satisfiable. (x₁ V2 V3)^(x₁Vx2 VT3)^(T₁ VT2 VX3)

A: If the Boolean variables can be assigned values such that the formula turns out to be TRUE, then we…

Q: Prove that for any integer a, 3 divides

A: To prove that for any integer a, 3 divides (a-3)(a+4)(a+2).

Q: 4+ 3 1. Express 3 -1 with a rationalized denominator.

A: Since you have asked multiple question, we will solve the first question for you. If youwant any…

Q: Ax+by=c. (For y)

A:

Q: Solve for x using

A:

Q: a. 3.2F> Fn+1 for n23 [Solutions and final ans

A: We need to prove 2Fn>Fn+1 Now, we have formula for fibonacci sequence is Fn=Fn-1+Fn-2

Q: rove that x³ +3 is even if and only if x is odd.

A:

Q: Show that V12 is irrational

A: A Rational Number is a number that can be written in terms of P/Q.  An irrational number can not be…

Q: 1 where A and B are rational numbers. Find A + B

A: (2n)!2n+5!=(2n)!2n+52n+42n+32n+22n+12n!…

Q: Please don't provide handwritten solution ..

A: The symbol Γ(n) represents the gamma function, which is an extension of the factorial function to…

Q: III. Determine whether the statement is true or false. (Example: if B+2 10, then 4 37 is FALSE…

A: Given that:                            1. -15<152. 8+3=11 Or, 5 is an even number3. 1=2 and 15 is…

Q: 1. (P16, Page 11,.. ) Use the Method of Proof by Contradiction to prove that 3 ¢ Q. You may use the…

A:

Q: 19. Which of the following properties of Real Numbers is NOT true ? * a. Vx ER, x+0 = x b. Vx, y, z…

A:

Q: Solve 2|7-x| 8 c. -8 6

A: We have given the inequality; 2|7-x| < 2

Q: Rewrite the number without using the absolute value symbol, and simplify the result. 16. |- 3 - 2|…

A: The values in the absolute are always positive. Therefore, remove the absolute symbol and consider…

Q: Which statement is FALSE? a. The sum of odd degrees is even b. The maximum degree is greater than…

A: Option (c) is False.

Q: Show that the operation * on Q – {1}, defined by a * b = a + b – ab for all a, beQ- {1} satisfies…

A:

Q: prove the following statement.

A:

Q: state b? + 3b+ 2¸ 5b +5 1. 4-b? 10b x' +13x +40 x² +10x+16 2x² – x – 15 x+8 2. 2.x +9x+10 x² -9

A: See the attachment

Q: b. {r|x € N and 7 <x< 14}

A: Given,  x|x∈ℕ and 7≤x≤14

Q: Solve all questions. All questions carry equal marks. Q 1. a) Let y = x6 – 5x5 + 5x* – 10. Then find…

A:

Q: 2-2 Given the equation 2x-1 = -2, -2, which of the following statements is true?

A:

Q: 2|x−2|+6&lt;0

A: Subtract 6 from both sides. Then divide by 2.

Q: 2. Determine all values of x - y when x and y are integers such that x = 360 + y².

A: The given equation is. x2=360+y2x2-y2=360x+yx-y=360 Since it is given that x and y are integers, so…

Q: Dighat bahupad X square + kx + k comic a equal to not equal to 0

A: