Tom K.

Three varieties of coffee --- Coffee A, Coffee B, and Coffee C ---- are combined and roasted, yielding a 55-lb batch of coffee beans. Twice as many pounds of Coffee C, which retails for $9.95 per... more

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Math

12/06/18

a leaky faucet in kali's house drips water at a rate of 42 gallons per week. how many gallons does the faucet drip in 3 days

please help me! I'm terrible at these kinds of problems!

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Calculus

12/05/18

Calculus I problem

Answer the following questions about the function whose derivative is f'(x)=(x-1)e^-x a. What are the critical points of f? b. On what open intervals is f increasing or decreasing? c. At what... more

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Geometry

12/05/18

Perpendicular and parallel lines

I recently did a test and did horrid i was jusf hoping you can explain what i did wrong. So the question states, which of these is an equation of a line that is parallel to line a? Choose all that... more

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Math Calculus Differential Equations

12/04/18

Calculus: Differential Population Question

A population is modeled by the differential equation dP / dt = 1.2P (1 − P /5000)(a) For what values of P is the population increasing and for what values of P is the population decreasing? (b) If... more

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Algebra 2

12/03/18

2-2(7p+1)^3/2=-1022

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Calculus Calc

12/03/18

Consider the function

f(x, y) = x2 + xy + y2 defined on the unit disc, namely, D = {(x, y)| x2 + y2 ≤ 1}. Use the method of Lagrange multipliers to locate the maximum and minimum points for f on the unit circle. Use... more

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Pre Calculus

11/29/18

I’m having trouble with this problem

A broadway theater has 400 seats, divided into orchestra, main, and balcony seating. ... a broadway theater has 400 seats, divided into orchestra, main, and balcony seating. orchestra seats sell... more

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College Algebra Polynomials

11/22/18

Find an nth degree polynomial function satisfying the given conditions

n=34 and 4i are zerosf(1)=-102

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Lesson 4.3

11/19/18

The cage that you keep your rabbit in has a perimeter of 118 inches. Let x be the cage’s width (in inches) and let y be it’s length (in inches). Write an equation for the perimeter.

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Finite Math

11/16/18

I don't understand how to solve this: Suppose P(E) = 49⁄100 , P(Fc ) = 31⁄100 , and P(F ∩ Ec ) = 7⁄20. Find P(E ∪ F).

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Physics

11/07/18

Rotational Kinematics Question

At a county fair there is a betting game that involves a spinning wheel. As the drawing shows, the wheel is set into rotational motion with the beginning of the angular section labeled “1” at the... more

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Simplify And Solve The Equation

08/04/18

It takes Greg 7.3 min to jog around a track. It takes Tess 9.7 min to jog around the same track.

It takes Greg 7.3 min to jog around a track. It takes Tess 9.7 min to jog around the same track. If they start jogging at the same place and time, when and where on the track Tess will see that... more

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Algebra

04/06/18