6)- Let x and y have the joint density f(x, y) = {* + cy if 15x< 2;0

Q: x2 - 4x + 9 = 0

A:

Q: A bank teller has a total of 67 bills in five-, ten-, and twenty-dollar denominations. The total…

A: A bank teller has a total of 67 bills in five-, ten-, and twenty-dollar denominations and the total…

Q: E 5x+ 8 6x+ 8 C 82° Y Q. Solve for x.

A:

Q: 4. (2.1) Solve the following equations: a) x² – 3 x = x² – 5x +4 b) 12x? = 25x w2-10 c) w+2 +w – 4 =…

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Q: . Describe and show two methods of solving the equation r – 5/I + 4 = 0

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Q: Solve the difference equation 9yk+2-9yk+1+ Yk =6-5k, Yo 2, y 3 5.

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Q: 6) A.REI.1:Leila was asked to solve the equation: (x + 5) = 29. The first step she did to solve the…

A:

Q: The moment that describes the symmetry of the distribution is O 1st moment O 2nd moment O 3rd moment…

A: Objective of the question is that, Which one is the correct choice.

Q: 2.) Solve the equation 16a – 12 – a = -57

A: Solution:

Q: a. y = z+1 b. 3z + 2y = 6 c. y = z d. y = x² – 100

A: To rewrite each equation by solving for x. The answer is in terms of y.

Q: Solve. 3 (2x – 5) – 4 (6 – 5æ) = 6 (7x – 2) - - -

A: Find value of x

Q: D) Mr. Cook bought 4.5 kilograms of shrimp that cost P360 per kilo and 2.9 kilograms of tuna belly…

A: Given that Mr. Cook bought 4.5 kilograms of shrimp to that cost p360 per kilo and 2.9 kilograms of…

Q: 2. Solve the following for the indicated variable. a) Solve 4t +5=-7t-11 for t. b) Solve 7h-2=3h -10…

A: Since you have asked multiple question, we will solve the first 3 question for you as per our guide…

Q: . What are the solutions to the equation below? 3x-7x 20 A. В. D. 4. 5/3. 5/3 C.

A: Correct option (D)

Q: 1. Solve the value of a and b. ab + b – 15 = 0 a² – b² + 21 = 0 Ans. a = 2, b = 5 and a= 5.185, b =…

A:

Q: 4x² +9%3D12X

A: For a standard quadratic equation ax2+bx+c=0 the expression b2-4ac is called the discriminant of the…

Q: Find the solution of the ff. recreational problem and give your answers. Given Solution If 1+4 = 5…

A: follow next step

Q: 6) x*- 7x2 - 18 = 0 %3D

A:

Q: 3. Find the solution of the equation An+1 = An + an-1. in the form an = c1\f + c2%, if a1 = a2 = 1.…

A: We have to find recurrence relation solution.

Q: Solve by Linear Combination: 7x+y=-9 -3x-y=5

A:

Q: The lengths of lumber a machine cuts are normally distributed with a mean of 88 inches and a…

A: Given,Mean μ = 88Standard deviation σ = 0.6

Q: a. Solve by back-substitution: 3x1 + 3x2 + x3 = 12, -4x₂-3x3 = -10, 2x3 = 4. b. Solve by…

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Q: Aa IV. Check your Understanding: CDEF is a rectarngle Solve each 1) CG= 5x +2 and EG 3+ 20. Find FD.…

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Q: Consider the following linear equations = -6 -3x + (25 – k)y + 7z = -4 -3x + 5y + 8z -3x + 5y + (10…

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Q: 4) Elon Musk announced Teslas would soon be powered by a battery with a lifespan of more than 1…

A: Given: μ=300,000n=30x¯=305,000s=8000α=0.05 claim= The mean lifetime of the lithium batteries is…

Q: 4. Solve the following linear equation for x: six(x- six) = 2x - (one + 3x) A) x = 15 B) x = -16 C)…

A: Given: 6x-6=2x-1+3x To Find: To solve for x.

Q: uppose you have the population value 50 and 80 and that their corresponding z-scores respectively.…

A: Given Data: Population value=50 and 80   we also know the corresponding z-score

Equations and Inequations

Equations and inequalities describe the relationship between two mathematical expressions.

Linear Functions

A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.