Use the addition formulas for sinhx and coshx to prove that tanh(u+v)= tanhu+tanhv/ 1+tanhutanhv

Q: The solution to a system of linear equations is a point with the form (x, y). What would be the x…

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Q: a) f(x, y, z) = 0 b) f(x, y, z) = 1 c) f(x, y, z) = (y + 2, z)

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Q: Write an expression in factored form for the polynomial of least possible degree graphed below. -5…

A: we have given graph of polynomial.

Q: A principal amount of $2,600 is placed in a savings account with an APR of 4.2% compounded…

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Q: 1. Solve the linear equation (¹) 78-4 = -38+11 (2) SX-2y = 1 x |3x-y=2 (3) 52x+y=3 13x-27=4

A: The given linear equations

Q: If A and Bare 5 x 3 matrices, and C is a 2 x 5 matrix, which of the following are defined? A. CB B.…

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Q: A campus radio station surveyed 500 students determine the types of music they like. The survey…

A: A campus radio station surveyed 500 students to determine the types of music they like. The survey…

Q: A lawnmower manufacturer has a unit cost of $140 and wishes to achieve a margin of 30% based on…

A: A lawnmower manufacturer has a unit cost of $140 and wishes to achieve a margin of 30% basedon…

Q: Let g(x)=x^2 if x>0 ;g(x)=-x^2 if x≤0 Answer yes or no. 1). Is g(x) continuous at t=0? 2). Is g(x)…

A: Note:As per our guidelines we are supposed to answer only first 3 subparts if there are multiple…

Q: Given f(x) = 2x – 4 and g(x) = x + 1, on which interval are both functions negative?

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Q: A classroom is 28 feet wide and 34 feet long. There is a 10 foot ceiling. Determine how many of…

A: A classroom is 28 feet wide and 34 feet long The height of the classroom is 10 foot

Q: The dosage (D) of a medication varies directly with the weight (W)(�) of a patient. For a patient…

A: The dosage (D) of a medication varies directly with the weight (W) of a patient. For a patient who…

Q: For what values of x is the quantity - 4x - 32 positive? Enter your answer as an inequality. X i -32

A: let A=-4x-32.For positive, A>0

Q: Factor quadratic expression: 3x^2-18x-48

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Q: 118. -6, -i

A: 118) The given roots are -6, -i.

Q: The following function is given: f(x)= 3x2/3-x Use the Graphing Strategy Four Step to investigate…

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Q: I'm not sure how to type in the y equation answer. My algebra porgram won't except it

A: A graph of the rational function is given.The aim is to find its vertical and horizontal asymptote.

Q: The solution to a system of linear equations is a point with the form (x, y). What would be the y…

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Q: Identify the intervals on which each quadratic function is positive or negative as shown…

A: To identify the intervals on which the following quadratic function ispositive or negative.

Q: n 2i is a root of polynomial, P(x) = x³ + 3x² + 4x + 12, find the rema s and write in factored form.…

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Q: Represent the following sentence as an algebraic expression, where "a number" is the letter x. You…

A: Here we have to write the given situation in the algebraic expression form Given that the product of…

Q: The figures below show the graphs of the exponential functions f(x) and g(x), and the linear…

A: The figures below show the graphs of the exponential functions f(x) and g(x), and the linear…

Q: The graph of y = f(x) is shown below. What are all of the real solutions of f(x) = 0? Answer Attempt…

A: The graph of  is shown below.To find all of the real solutions of .

Q: The principal P is borrowed at a simple interest rate r for a period of time t. Find the simple…

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Q: Leona Jefferson purchased a home and obtained a 25-year loan of $438,000 at an annual interest rate…

A: To calculate the amount of interest paid on a loan over a certain period, you can use the formula…

Q: 3. Let A = AB = 1₂. [1 1 1 LO 1 1 1]. Construct a 4 × 2 matrix B using only 1 and 0 as entries, such…

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Q: The graph of a function fis shown below. Find one value of x for which f(x) = 4 and find f(2). 2 (a)…

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Q: 10. You read 6 pages every 15 minutes. Your friend reads 8 pages every 18 minutes. Graph each…

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Q: Starting with the graph of f(x) = 6, write the formula for the function that results from

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Q: Suppose you are driving between two cities. You drive half the distance at 50km/h. How fast would…

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Q: If A = -1 AB = -1 BA= - False -4 -2 42] and B = [44] then || and 1 ✓True or False: AB = BA| for any…

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Q: 4. Find the area of the region bounded by the lines x+y=2, x - y = 1 and x + 2y = 2. Using double…

A: We find the area of the region bounded by the lines x+y=2, x-y=1 and x+2y=2 using double integral.

Q: 7. Four-fifths of the senior class went to prom. If 324 seniors went to prom, how many are there in…

A: Using given condition we can form a linear equation and hence find the required value.Note :…

Q: The inequality-10-8s < -14 can be solved by performing two operations on both sides. State the…

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Q: (a) The determinant of the matrix is: (b) Does the matrix have an inverse?? -2 0 0 -2 4 0 2 -2 1

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Q: Solve the radical equation. Check all proposed solutions. 35-2x = x Select the correct choice below…

A: The solution of the quadratic equation ax²+bx+c=0 is

Q: g(x)=2x-2 f(x) = x² + 3x Find (gof)(-2+ x)

A: given function

Q: Rust Pipe Co. was established in 1994. Four years later the company went public. At that time,…

A: Total shares=1300000The original founder's family owns 51525 sharesFor founder's family, 1 share=6…

Q: The contribution margin ratio is 25% for Crowne Company and the break-even point in sales is…

A: The contribution margin ratio is 25% for Crowne Company and the break-even point in sales is…

Q: Express the following invertible matrix A as a product of elementary matrices: You can resize a…

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Q: Explain how can a lesson plan on "rounding two- and three-digit whole numbers to the nearest 10 or…

A: To modify a lesson plan on "rounding two- and three-digit whole numbers to the nearest 10 or 100" to…

Q: equation. y" + 3y + 2y = 3x² +6e=*.

A: y"+3y'+2y=3x2

Q: Calculate the simple interest due on a 39-day loan of $2800 if the interest rate is 7%.

A: Given that principle( P)= 2800 Time(t)= 39-day=- year rate of interest (r)= we have to find the…

Q: 1. Leta (2,-1, 1) and = by a and 7. (b) 3 determined (a) 3√3 (c) √3 b = (1,1,2). Find the area of…

A: Given, Formula for area of parallelogram is,

Q: 4.11 Recall that the velocity of the falling parachutist can be com- puted by [Eq. (1.10)], v(t) =…

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Q: Find a possible formula for the exponential function graphed below. 30 (5.10)

A: To find a possible formula for the exponential function graphed below.

Q: Exercise 8.4.6 Find the eigenvalues and eigenvectors of the matrix 2 -1 6 -4 - − 1 -6 1 One…

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Q: Hi thank you for the fast response but the answer was incorrect

A: The given function is; h(x)=5x^2

Q: An Individual Retirement Account​ (IRA) has ​$22,000 in​ it, and the owner decides not to add…

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Q: ate which model you feel would be the best for a professional salary; an exponential model or a…

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