11/30/19

How do you find all the complex zeros/roots of a polynomial?
On my homework I have multiple questions asking for all complex zeros/roots. An example that I want answered is if f(x) = 5x^6-30x^5-43x^4+228x^3+22x^2+96x+16 and one of the zeros/roots is ... more
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11/26/19

I have difficulty with solving for 2 unknown/
Farmer Floran has roosters and horses. The animals have a total of 88 feet and 40 wings. How many roosters and horses are there? Is this the correct set up: 88x+40y=128
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11/25/19

The nutritional content per ounce of three foods
The nutritional content per ounce of three foods is presented in the table on the right. If a meal consisting of the three foods allows exactly 2200 ​calories, 65 grams of​ protein, and... more
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11/23/19

7,62,213,508 what is the next number in series
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11/22/19

Solve for x: e^x - e^(-x) = 2
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11/14/19

Urgent! - need to submit in 5 hours
Silinder shaped covered box has 4 same sized balls inside. Each ball touches the box's bottom, cover, side and 2 neighbour balls. How much cubage do the balls take?(It should be a streometria... more
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11/14/19

Solve the question for exact solutions in the interval [0,360) degrees. Use an algebraic method

9sec^2 theta tan theta = 12 tan theta what is the solution set{ }
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11/14/19

Need help with this maths equation!
The coordinate pairs below represent points on the graph of a quadratic function. None of the points are completely identical.(-p-1, (h2+28h)/3); (-2,(-h+p-1)/2); (3,-(p2)/4); (-11,1-11p); (-5,7);... more
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10/31/19

Find the restrictions of the value X
Triangle ABC, Side AB is 4, side BC is 18, and Side CA is 15. Angle B is 3x-1, Angle C is x+7, ANgle A is not given. WHat is the restricitons on the value X
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10/29/19

binomial expansion

Please verify my solution.expand and simplify the following(8√t - 5)3my answer5123/2 - 960t + 600√t - 125thanks
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10/28/19

Linear systems w/ 3 variables
Solve the system.x - y - z = -32x + y - 6z = 20x - 2y + z = -13
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10/23/19

Using logarithmic differentiation
Find the derivative:f(x)= ((x+2)^2(x^2+3)^5)/(x√x^2+4)
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10/23/19

The equation e^y+y(x-2)=x^2-8 implicitly defines y as a function of x near the point (3,0). Using linearization to estimate the value of y when x=2.8 one gets:
The equation ey+y(x-2)=x2-8 implicitly defines y as a function of x near the point (3,0). Using linearization to estimate the value of y when x=2.8 one gets:a. -0.8b. -0.6c. -0.4d. 0.4e. 0.6f. none... more
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10/23/19

Trig Question Help Really Needed
Solve for x where 0 < x < pi/2.4sqrt(3) csc x -4 - 3 csc^2 x = 0
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10/23/19

Please Help! (Quadratics)
The problem says to solve for x where 0 ≤ x ≤ 2pi.cot^2 x + 2 cot x + 1=0. It also says that the answers should be given as fractions?
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10/22/19

Solve and show all steps
Find the parabola of the form y=ax^2 +bx that shares a tangent line with the function y= (2x)/(x^2 +1) when x=1.
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10/22/19

A trough is 14 ft long and its ends have the shape of isosceles triangles that are 5 ft across at the top and have a height of 1 ft. If the trough is being filled with water at a rate of 9 ft3/min....
.... how fast is the water level rising when the water is 9 inches deep?
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10/21/19

What are the constraints for this problem?
Webster Instruments is opening a new music shop in which they sell guitars and basses. The store is small, so they can buy no more than 50 instruments total. The store’s cost to buy a guitar in... more
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10/21/19

Find the parabola with equation y = ax2 + bx whose tangent line at (1, 1) has equation y = 6x − 5.
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10/19/19

calculus optimization
A box of volume 252 m3 with square bottom and no top is constructed out of two different materials. The cost of the bottom is $40/m2 and the cost of the sides is $30/m2 . Find the dimensions of the... more
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10/17/19

Find a so that f(x) = ax2 + 6x + 3 has two real roots.
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10/17/19

find the points of intersection of the graphs of the functions. (round your answers to three decimal places.) f(x) = 0.4x^2 − 1.2x − 1; g(x) = −0.1x^2 + 0.8x + 8.5
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10/16/19

if f(3)=4, f'(3)=-4 g(3)=2, g'(3)=-6, find F'(3) if F(x)=cuberoot of (f(x)g(x))
I am very confused as to how to find the derivative of (f(x)g(x))^(1/3)
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10/13/19

Differentiate the following functions and simplify. (Might need to use logarithmic properties if necessary
1) f(x) = e^√(x-5) cos(2x2+4) / ln(x-3)2) y = ln(5x6esec(4x) / 3√(x4-7) (x2+6)8)
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10/08/19

Calculating Volume Of a Region via Washer
Calculate the volume obtained by rotating the region in the first quadrant bounded by x2+y2=0, y=x, and x=0.I understand how to use shell method with this question (radius: x, height: (1-x2)1/2-x,... more
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