Show by contraposition that : Vx ERx?-7x-820 - x2 8 or x S-1

Q: Simplify. V75w +/27w Assume that the variable represents a positive real number.

A: 75w+27w

Q: its not 1

A:

Q: A student simplified the expression below. What was the studen't mistake? x² 21 -3 5y12

A:

Q: (A none of these B -2xcsc?x?

A: The integral given is, ∫fxdx=cotx2+C To determine the fx , take the derivative of the integral.…

Q: It is possible to rewrite the expression x2a+1 as x9x where q is a constant. Perform this rewrite in…

A: We can find the value of q as below.

Q: In the answer, is that 3(x-4) times 2-7x+12 or 3(x-4) x squared -7x+12?

A: The answer is in the ration form that is f(x)g(x) that is f(x) divided by g(x).

Q: V16 – V-36 v25 +v-16

A:

Q: Find x, and x2- -52 28 -5 5 X2 40 X =

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Q: Use a counterexample to show that the statement is false.If a and b are real numbers and a < b,…

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Q: Evaluate this expression using Distributive property. 1) 2(4x+10) When x=2 2) 3(7w+6) When w= -3 3)…

A: Solutions

Q: Put them in order please  x^2- 22x+121+y^2-32y+256=1

A:

Q: Simplify the expression to a + bi form: 49 – V-162 + v64 – V-72

A: To write the given expression in the form of a+bi.

Q: Evaluate the expression if x = - 2 and y = 3. - 2x + xy

A: Given expression is:                               -2x + xy

Q: f (x) = x1³x2² + x,³x3² + xq²x2³ + x,?x3³ + x2³x3² + x2³x3?

A:

Q: Simplify the expression to a + bi form: V4 - V-180 V25 – V-5

A: The given expression is                                      4--180-25--5 Now we simplify the given…

Q: Simplify. 27t 10 Assume that all variables represent positive real numbers.

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Q: if z1 = i and z2= -(3)^0.5– i find the arguments for the quotient

A:

Q: Use proof by contraposition to show if r + y 2 2 where r and y are real numbers then r> 1 or y > 1.

A: A contraposition method is used to prove a conditional statement. Let A and B be any two statements.…

Q: V144 – V-81 + v36 – V-25 -

A: Given,          -144--81+36--25

Q: Evaluate the expression if r = 6 and y 4 and z = – 7 %3D I² – y – z

A: Given, x2-y-z x=-6y=4z=-7

Q: If alb, find the value of a and y. A 11 11 (3x-20)° yo 2x b

A: This question is based on parallel line cut by transversal line theorems.

Q: Determine the values of a, b, and c for Ax) = ax + bx+c so that f") = 6x- 3 and A2) = -1.

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Q: 4x2 + 4xy + y2

A: Given query is to simplify the expression.

Q: quation x 101

A:

Q: If a = 3u-2 v and b = u+5v, find an expression for a-b in terms of u and v .

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Q: 3 3 Evaluate the expression when b and X = 10 %3D 20 4x-b Write your answer in simplest form. X 5 ?

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Q: Evaluate the difference quotient for 7x+1. Az) - f(x) = 2 7/2 7 O 1/2 O O

A: Here we have to find the quotient difference of a function.

Q: It is possible to rewrite the expression x2a+1 as xªx where q is a constant. Perform this rewrite in…

A:

Q: HxER x2- 9х — 36 >0 х>12 or x < —3

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Q: Simplify the following using product rule: 7wr5 x 3wr6 O 21w?r11 O 10wtrll O 10w°r11 O 21wrl1

A:

Q: Simplify the following expression (Don't forgot attach your domain!) x? – 5x+4 .2. .2 x' – 4x -

A: f(x)= x2-5x+4x2-4x              = x2-4x-x+4x(x-4)               = x(x-4)-1(x-4)x(x-4)…

Q: Simplify. 5z V 48z° + V27z Assume that the variable represents a positive real number.

A:

Q: 2 -t 63te Evaluate: dt

A: Here we use the method of substitution to solve the integration.

Q: If x2 = 7, then x =________.

A: Given,  x2 = 7, To find 'x'

Q: Find FOUT FOUstth goots -1+9i

A: Step 1 :Find (-1+9i)1/4  = rCosθ+iSinθ1/4(-1+9i) is of the form (a+ib)r =a2+b2 = (-1)2+(9)2 = 1+81 =…

Q: 3x 2r is equal to O True O False

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Q: Write m^-7 using positive exponets?

A:

Q: Which of the following expressions is equivalent to (x- 4)2 ? O A. x2 +8x + 16 O B. x2 + 16 O C. x2…

A: Given information: x-42

Q: Given that, b=d-c, fnd an find an expression fisr c în terms' of b and a

A: Answer

Q: Simplify the expression to a + bi form: V144 – V-50 – V49 – V-98 |

A:

Q: a)(2-1)(3-21) b) (2-1)²

A:

Q: Use to make the statement true. 2. 2/6

A: Given that, There are two fraction following, 15 and 26 We have to find which fraction is greater.

Q: Find two First terms whose product is ax?: (Ox + )Cx + ) = ax? + bx + c.

A: Given: x+   x+   =ax2+bx+c, To find: Two first terms whose product is ax2.

Q: Simplify. 16t1"u 11,,5 Assume that all variables represent positive real numbers.

A: Simplify 16t11u5

Q: Evaluate the expression using x = 3, y = 4 and z = 1.

A: Given that, x = 3, y = 4, z = 1 and (9x)23 + (2y)23 + z23

Q: Which of the following expressions is equivalent to (2x – 5)2

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Q: ( n [0,80) = {XER such that x º 403 True or False ? why? TO -10,0)

A:

Q: Which of the following is equivalent to -343x*y0 O -xy 343 O i-xy 343

A: here we have to equivalent to -343x4y10

Q: ydy can best be evaluated by algebraic substitution. Vy-1 A True В False B

A: