х2 — 1 2x3 — х2

Q: Solve 6cos(2ϕ)=6cos^2(ϕ)−5 for all solutions 0≤ϕ<2π ϕ =   Give your answers accurate to at least 2…

A: Given equation is: 6cos(2φ)=6cos2φ-5We know thatcos(2x)=2cos2x-1Using this formula in the given…

Q: Solve 2sin^2 x-9sinx=5 Give the general solution

A: 2sin2x-9sinx=52sin2x-9sinx-5=02sin2x-10sinx+sinx-5=02sinx+1sinx-5=0

Q: Each step in a procedure to solve this equation is shown.   Equation:   5x − 7 = 3(x+1)5x - 7 =…

A: Given query is to find the step where error was for the first time.

Q: show how it did derived to the final answer.show complete solutions

A: We will find out the required general solution.

Q: f 2 is one root of the equation 4x3 + kx – 24 = 0, then the value of k is       8   –1…

A: The standard form of a cubic equation is given by ax3+bx2+cx+d=0, where a≠0. If a=0, the cubic…

Q: How to solve the problem (7x/3)-3   What rule does this follow? And show steps on how to apply the…

A: Given: the expression

Q: I have found the values for k, but the task also wants an expression for the unique solution, how am…

A: First of all, I believe, as per the (partly) solution you have written, that the question asks us to…

Q: x2 J V4 – x²

A:

Q: Solve csc(3z) - 4 = 0 for the four smallest positive solutions Give your answers accurate to at…

A: We can find the value of 'x' as below.

Q: Find all Solutions of the cquation in the interval [0,2). 30sin? x = 30+15cosx

A: The solution to an equation is the value that satisfy the equation. The solution of an equation can…

Q: How do i solve number 21 on this attachment

A: To find the solution of the provided function:

Q: Solve the equation In(n²+ 12) = In(-9n - 2) %3D

A:

Q: 5. One of the roots of 2x2 – 11x - 21 = 0 is 7. What is the other root? 2 D. 2 С. с. 3 A. - В. - 2 2…

A: Since you are asking multiple questions. We are answering only the very first question as per our…

Q: How many liters of 50% alcohol solution and 20% alcohol solution must be mixed to obtain 12 liters…

A: To determine the volume of each solution used.

Q: Find the value of the real number a if -1 – 2i is a root of the equation z² + az +5 =0. What is the…

A:

Q: e 2x^2 - 7x - 15

A: Introduction: Equations in mathematics aren't usually about balancing both sides with a 'equal to'…

Q: -(-6)+-Square root of (-6)^2-4(3)(-1)                    2(3) = 3 +- 2 square root  3…

A: Given: x=-b±b2-4ac2a     (Using quadratic formula)x=--6±-62-43-123x=6±36+126x=6±486

Q: Find an equation in the form ax^2 + bx + c = 0 with roots 4 and -7/6

A: The equation is : 6x² - 17x - 28 = 0   The detailed explanation is as follows below:

Q: Solve: 2. 2- 3274=0

A:

Q: x2 - 2x + 13x3

A: To solve the given polynomial for the roots. To state the method used for factoring.x2-2x+13x3

Q: Use the yuuuiatic formula to solve for X. 2x +x-9=0 Round your answer to the nearest hundredth. If…

A:

Q: Use the formula for nCr to solve, There are 14 standbys who hope to get seats on a flight, but only…

A: Formula used: Crn=n!(n-r)!r!

Q: 4. Use the diagram to solve for x and y. Leave answers in simplest radical form. 450 X = y=ー

A:

Q: Solve 9cos(2β)=9sin2(β)+2 for all solutions 0≤β<2π β = Give your answers accurate to at least 2…

A:

Q: Fill in the blank so that the resulting statement is true. 4 16 To solve x2 - 11 by completing the…

A: Solve the equation

Q: 106% 5. If AC = 8x – 14 and EC = 2x + 11, solve for x. B E.

A:

Q: 1 Solve: 42a 4 ||

A:

Q: Solve csc(2æ) – 9 = 0 for the four smallest positive solutions - x = Give your answers accurate to…

A:

Q: two welders working together can complete a job in 6h. One of the welders, working alone, can…

A:

Q: Solve 3sin^2(x)-13sin(x)-10=0 for all solutions 0&lt; x &lt; 2pi

A:

Q: 1 Solve the formula b = 5c +ac2 for a. %3D

A: b = 5c + 13ac2 Below are the methods for solving linear equations in one variable:. Equations are…

Q: Question 3. Apply the Method of Undetermined Coefficients to solve x" − 2x² + x = 2et

A:

Q: 2. り=(137 + 5x-2

A: Given, y = 3x +5x-2 - 12 We know that, a + b + c2 = a2 + b2 + c2 + 2ab + 2bc + 2ca

Q: X – 12x-64 = 0 %3D

A:

Q: What values of the variable cannot be possible for this given soulution, without solving 8 over…

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Q: Please help me understand how to solve:   22n  +1 the answer has to be a composite number

A:

Q: 18. If AXYZARST, find a and b. 48 Re Sb-3 62 701 4a-4 Solve for a: Solve for b

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Q: Which of the choice is NOT a step when solving 1/216 = 363x+6

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Q: x3 - 2x2 - 41x + 42 = 0

A:

Q: 3x 6x 3 3- 24x 8+ 2 あ

A: KenKen problem is solved as       3                       2   1     3 3 1…

Q: Solve for C if A=3/4 BC

A:

Q: Two consecutive terms in the expansion of (a + 2b)20 are equal. Find these terms.

A: Given:(a+2b)20 The general r+1 th term in the above expansion can be written as, Tr+1=20Cra20-r(2b)r…

Q: Find all solutions of"equaion: the X+I 2^+7* = 2•3^+5X.

A: We are given the following equation : 2x+1 + 7x = 2×3x + 5x And we have to find all the solutions…

Q: David tried to solve the equation 7x – 2 = 2x + 33.  Read through his work and determine where he…

A: Determining the value of x

Q: 13) Solve the following : a) 6x > 8x + 11 b) –7 < 14x + 23 < 19

A: Given: a)  6x&gt;8x+11b)  −7≤14x+23&lt;19

Q: Solve for all possible solutions. Use the integer k to show multiple answers. 4sin^2(x)-3=0

A:

Q: 1+z -= 8i - 5 1- z (1) Solve for z,

A: