12/13/19

What amount of a 60% acid solution must be mixed with a 20% solution to produce 300 mL of a 40% solution?

What amount of a 60% acid solution must be mixed with a 20% solution to produce 300 mL of a 40% solution?
Follows • 1
Expert Answers •1

12/12/19

Direct Comparison Test to determine divergence or convergence
the series from 1 to infinity is: 5/ (n^(1/3)-2)The question is to determine convergence or divergence using direct comparison test. I wasn't sure how to do this because there's no value of bn that... more
Follows • 2
Expert Answers •2

12/09/19

Find an equation of the ellipse
Find an equation of the ellipse that has vertices (4, 2) & (-2, 2) and foci (3, 2) and (-1, 2)
Follows • 1
Expert Answers •1

12/08/19

Find the volume of the solid generated by revolving the region bounded by y=√x , y=1, x=0 about the y-axis
Help setting up the equation using the washer method?
Follows • 1
Expert Answers •1

12/06/19

ALGEBRA PROBLEM! PLEASE HELP ME!
Add 17∠60º and 8∠220º(A) 24.67∠53.63º(B) 9.9∠76.10º(C) 25∠280º(D) 10∠13.90º(E) None of these
Follows • 1
Expert Answers •1

12/06/19

Find the volume of the solid generated by revolving the region bounded by y=x and y=x^2 about the line x= -1
I have y=x as a upward diagonal line, y=x^2 as the upward facing parabola. and -1 down the inner left side of the graph. How am I suppose to put this into an equation? I'm having trouble... more
Follows • 1
Expert Answers •1

12/04/19

MC Questions Calculus

(a) If f '(1) = 0 and f ''(1) = −3, what can you say about f?At x = 1, f has a local maximum.At x = 1, f has a local minimum. At x = 1, f has neither a maximum nor a minimum.More information is... more
Follows • 1
Expert Answers •2

12/03/19

Calculus Question
If f(x) = xcos-1(x)-(1-x2)1/2 find f '(√(3)/2)a.0b.-1c.π/6d.1
Follows • 1
Expert Answers •1

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
Follows • 1
Expert Answers •2

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
Follows • 1
Expert Answers •2

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
Follows • 1
Expert Answers •1

11/23/19

7,62,213,508 what is the next number in series
Follows • 1
Expert Answers •1

11/22/19

Solve for x: e^x - e^(-x) = 2
Follows • 1
Expert Answers •1

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
Follows • 1
Expert Answers •2

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{ }
Follows • 1
Expert Answers •1

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
Follows • 0
Expert Answers •1

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
Follows • 1
Expert Answers •1

10/29/19

binomial expansion

Please verify my solution.expand and simplify the following(8√t - 5)3my answer5123/2 - 960t + 600√t - 125thanks
Follows • 1
Expert Answers •1

10/28/19

Linear systems w/ 3 variables
Solve the system.x - y - z = -32x + y - 6z = 20x - 2y + z = -13
Follows • 1
Expert Answers •2

10/23/19

Using logarithmic differentiation
Find the derivative:f(x)= ((x+2)^2(x^2+3)^5)/(x√x^2+4)
Follows • 1
Expert Answers •2

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
Follows • 1
Expert Answers •1

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
Follows • 1
Expert Answers •1

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?
Follows • 1
Expert Answers •1

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.
Follows • 1
Expert Answers •1

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?
Follows • 1
Expert Answers •1

Still looking for help? Get the right answer, fast.

Ask a question for free

Get a free answer to a quick problem.
Most questions answered within 4 hours.

OR

Find an Online Tutor Now

Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.