10/18/16

Calculus word problem
A farmer wants to enclose a 192 square foot rectangular area with a fence that cost $3 per foot, and subdivide it into two equal-area rectangular pens with fence that costs $2 per foot. If the... more
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10/17/16

Shortest diagonal distance
We have an empty cardboard box of dimensions breadth = 3 m, length = 4 m, and height = 2 m. An ant and a fly are sitting at one of the 8 corners inside the box and wish to go get some food at the... more
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10/13/16

finding answers to fit the given derivitives, their criteria, and their inverses
in part a the function is ln(1+x^4) and I have to find w'(x) and I said 1/1+x^4) but I got it wrong. could you please help me figure out what I did wrong.   then in part b it says given f(2)=6,... more
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10/11/16

Limits detailed solution
The value of  limx→∞ (3^x + 3^2x)^(1/x)
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10/09/16

Explain why you would expect sodium (Na) to give and chlorine (Cl) to accept an electron but you would expect the atoms in a water molecule to share electrons?
Explain why you would expect sodium (Na) to give and chlorine (Cl) to accept an electron but you would expect the atoms in a water molecule to share electrons.
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10/05/16

Sharyn invests $2000 more in an account that earns 9% simple interest that she invests in an account that earns 6% simple interest. How much did she invest in h
er accounts if she earned a total of $405 interest after 1 year.   We have been doing simple interest for a while but nothing like this, please help!
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10/04/16

I was given a function and I have to find the derivative, but I keep getting it wrong. Please help?
so the question asks: Find the derivative of the given function. Use all lower case letters. w(q)=3a(b^2)q   so I tried to take the derivative and I got 3a2bq, but then I realized a might not... more
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10/04/16

89 cm wore. Cut and bent into square and circle. Circumference of circle when area is minimum.
You have a wire 89 cm long. You wish to cut it into two pieces. One poece will be bent into the shape of a square. The other piece woll be bent into the shape of a circle. Let A represent the total... more
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10/04/16

Physics question..why do bathroom scales have to be placed on a horizontal surface?
Hi, everyone. Im not sure what the answer is. Can you briefly explain ? I think it has something to do with weight force. 
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10/04/16

give examples of functions for these various derivatives
So I just had two questions. The first one states "an exponential function for which the derivative is always negative. I have no idea how to do this because I thought you couldn't have a negative... more
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10/03/16

True or false about derivatives
So I have a question on a few of my homework problems mostly because I am ambiguous about the answers and how I thought about them. So... 1) the derivative of f(x)=π^e is f'(x)=eπ^(e-1) I said... more
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10/03/16

physics projectile motion question please help
Thelma and Louise drive their '66 T-Bird convertible off a cliff. They are going 24.1 m/s and the cliff is 44 meters high. Find the magnitude of their velocity vector the moment they impact the... more
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10/03/16

please help! physics projectile question
The Iron Chef Hiroyuki Sakai is rapidly chopping the stems off a batch of green beans and flicking them off the edge of the counter into the trash. If the counter is a height h=1.26 m above the... more
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10/03/16

This question is pertaining to College Algebra
Determine whether the three points are the vertices of a  right triangle:   (-7, 4), (6, -2), (0, -15)   Determine whether the three points are collinear   (-4, 3), (2,5), (-1, 4)
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10/03/16

Solve the following word problem
For every part produced by a factory, there are 5 ounces of scrap aluminum that can be recycled. There are 16 ounces in 1 pound and 2,000 pounds in 1 ton. How many parts must the factory produce so... more
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09/29/16

Any ideas on how to solve this?
If you spend 30 minutes a day goofing off on the internet during time you've set aside for studying, how much study time (in minutes, and in hours) will you waste over the course of a 16 week... more
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09/29/16

Calculus 2 Integration
I'm having trouble understanding this problem.   Make the substitution u=ex to express the integrand as a rational function with three linear factors in the denominator, one of which is u, and... more
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09/29/16

large pies cost $7, and small pies cost $4. If 20 pies were sold for $122, how many small pies were sold
how do i set this problem up?
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09/27/16

Please help with finite word problem!
There are three types of coffee, Kona, Latin Dark Toast and Moravia. Equal parts of these three coffees are put into the house blend which sells for $7 per pound. A 30 lb bag is made up of 1.5 lbs... more
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09/27/16

related rate question
a leak at an undersea oil well is producing a cylindrical oil slick, which is about one inch thick. when the radius of the slick is 150 feet, the radius is increasing at the rate of 2 feet per... more
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09/27/16

Is it true or false
The properties of elements are the same before and after they form compounds
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09/27/16

What is a hydrogen bond?
What is a hydrogen bond? How does polarity help hydrogen "bonds" form?  And how is intermolecular force different from intramolecular force? 
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09/27/16

Find the average rate of change of the function from X=3 to X=6 using formula F(x) = 6-x^2
Find the average rate of change of the function from X=3 to X=6   Using the formula F(x)=6-x^2   The average rate of change =  ?   please find the exact number, no tolerance..   Thank You... more
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09/27/16

Find the difference quotient F(x+h) - F(X) / h = ? for the following function. F(x) = x^2-7x+8
Find the difference quotient   F (x+h) - F(x) all over h = ?    For the following function F(x)=x^2-7x+8   Getting lost on correct steps when inputting numbers ?   Thank You :-)...
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09/26/16

domain of (6+x)/(e^(cos(x)))
domain of (6+x)/(e^(cos(x)))
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