12/08/14

How many trees will maximize the yield?
The yield in bushels from a grove of orange trees is given Y=x(800-x), where x is the number of orange trees per acre.
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12/08/14

If tan a = 9 and a is acute, find the exact value of sin 2a.
If tan α = 9 and α is acute, find the exact value of sin 2α.   *Please give correct answer so i can be able to check my answer. Thank you!   = ?
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12/04/14

Please help me solve this and show me how you got the answer? Thank you.
How to Convert 16.5 miles per gallon into km per liter. 1km = 0.621 miles1 gallon = 3.785 liters
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12/04/14

Please Help !
there is given the hyperbole x2/49-y2/16=1. Find the point M which distance from one asymptote is three times longer than from the other asymptote of the hyperbole.
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11/12/14

Cody has a collection of baseball cards. Come up with 3 possible cases, using the "Case Strategy" and the solution should not be a yes or no, elaborate on why.
Problem: Cody has a collection of baseball cards. Is it possible for him to place the cards into 5 boxes so that exactly 3 of the boxes contain an odd number of cards and the total number of cards... more
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11/06/14

Use derivatives to find the x-values of any critical points and inflection points of the function f(x)=e^(-x^2)
Use derivatives to find the x-values of any critical points and inflection points of the function f(x)=e^(-x^2)
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11/05/14

find the special product [5y+(4x+4)][5y-(4x+4)]
this is how my professor wrote it. i don't understand her format.
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11/04/14

Find two numbers whose sum is 36 and whose product is a maximum.
Dealing with parabolas, define a variable and write an equation for each of the following.
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11/02/14

Evolutionary psychologists say that males and females are vastly different.
Do you believe male and female differences is a real and true outcome of our evolution? 
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11/02/14

variable manipulation. what is the value of 2x+y if 4x^+6xy+2y^=32 and x+y=4
what is the value of 2x+y if 4x^+6xy+2y^=32 and x+y=4 what is the value of 2x+y if 4x^+6xy+2y^=32 and x+y=4      
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11/01/14

profit and loss
A shopkeeper listed his price of goods 30% above CP. He sells half the stock at this price, one fourth of stock at discount of 15% and the remaining at 30% discount. His overall profit was?
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11/01/14

determine the length of AB. AC=CD=8cm.
there is a triangle ABCD. angle B is pi/6.  A to C forms a perpendicular   How do I get 16 as an answer?
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10/30/14

Optimization Problem! PLEASE HELP
Find two non-negative numbers whose sum is 21 and whose product is a minimum.
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10/28/14

number system
x^2+y^2+1=2x, find value of x^3+y^5?
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10/27/14

Mary jogged 6 miles in one hour with her return trip which is he same distance took her two hours calculate her average speed for the total distance
help with math word rate time speed problems 
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10/27/14

if 1/4 + 1/x = 1 then x=?
Please give a reason why?
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10/27/14

mary jogged 6 miles in one hour. her return trip (the same distance) took two hours. calculate her average speed for the total distance
math word problem help 
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10/27/14

Solve this inequality.
Find all sets of four consecutive even whole numbers whose sum is less than 35. 
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10/24/14

What number sets does - 5 2/7 belong to and why??
I think it belongs to more than one set rational, complex and real
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10/24/14

financial literacy
If you borrow $120,000 at an APR of 7% for 30 years, you will pay $798.36 per month. What is the total interest paid on the 30-year mortgage?
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10/22/14

higher derivative
f(x) = x-1÷x+1 find the f(X)n
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10/22/14

Four yrs ago grandpa was 4 times as old as his grandson. How many times older than his grandson was Grandpa 20 yeras ago?
The question goes like this: In a birthday card to his grandson, a grandfather wrote,"Four years ago I was 4 times your age and 20 years ago I was __________ times your age." If the grandfather is... more
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10/22/14

K is 5 yrs younger than D who is 31 years younger than J. If J is 46 yrs old how old is K?
I worked out the answer to be 10..is this correct?
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10/22/14

how many liters of a 5% alcohol solution should be mixed with 15 liters of a 10% alcohol solution to obtain a mixture that is 8%alcohol
how many liters of a 5% alcohol solution should be mixed with 15 liters of a 10% alcohol solution to obtain a mixture that is 8%alcohol
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10/22/14

System of Equations.
An electronics company produces transistors, resistors, can computer chips. Each transistor requires 3 units of copper, 1 unit of zinc, and 2 unites of glass. Each resistor requires 3, 2, and 1... more
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