09/02/15

solve for x and y
x+y=-1 x+2y=0
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09/01/15

Inequality of an area
A rectangle is less than or equal to 50 sq. meters, the length of the rectangle is 3x the width, write an inequality for the area using the dimensions given.
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09/01/15

how many positive two-digit integers are 27 more than the sum of their digits?
how many positive two-digit integers are 27 more than the sum of their digits?
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09/01/15

a rectangle has sides of length 1 and x. When a square with side length 1 is removed from the rectangle...
a rectangle has sides of length 1 and x. When a square with side length 1 is removed from the rectangle, the remaining rectange has the same proportions as the original. what are all the steps to... more
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09/01/15

algebraically determine the x-and y- intercepts of each functions
B) y=x2 -8x
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09/01/15

if five cards are drawn from an orfinary dech 52 cards, How many ways are there of getting all hearts?
Need help
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08/31/15

integration help
using integration, find the area of each of the enclosed regions   I've completed one correctly, but have no clue how to solve the other two can someone help? or set up the other two for... more
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08/30/15

complex analysis
The radius of convergence the series     ∝   ∑  z2n / zn   is  n=1   a) 1          b) √2   c) √3         c) √5   ans is √2 ,but i cant understand how does it happen,  please help me... more
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08/29/15

a square and an equilateral triangle have equal perimeter.The area of the triangle is 163 square centimeters. How long,centimeters,is a diagonal of the square?
Please i need help with this very hard math question.Please reply as soon as possible.
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08/29/15

limit and derivative
if f(x+y) = f(x) + f(y), ∀ x,y ∈ R and f is continuous at one point of R , then f is/are   a) not continous ∀ R b) uniformly continous ∀ R c) differentiable ∀ R d) none of these   please... more
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08/29/15

probability
A bag contains four marbles. One marble is blue, one is red, one is white, and one is yellow. Two marbles are draw from the bag by removing one marble and then, without replacing the first marble,... more
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08/28/15

How much money does Bob have saved?
If Bob had $150 more in his savings account, he would have five times as much saved as he currently has in this account. How much does Bob currently have saved?
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08/27/15

a hotel charges $75 each night for the first two nights and $50 for each additional nights stay.
I need to write a piecewise function to represent the cost for staying at the hotel and i have no idea how to do it.
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08/27/15

Find (f-g)(4) when f(x)=-4x^+4 and g(x)=x+2
CAn someone help me
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08/27/15

Find the number of rows and the number of chairs per row
In a classroom, there are 54 chairs. The number of chairs per row is three less than twice the number of rows. Find the number of rows and the number of chairs per row.
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08/27/15

How do you find the rule of x and y?
x:1,2,3,4,5,13,15 y:-1,2,7,14,23
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08/26/15

Find the relative min and relative max of h(x)=x^3-6x^2+12
I'm not sure how to even start this. I also don't know how to use a graphing calculator so I'm really lost.
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08/26/15

one number is 8 less than another.If twice the larger number is equal to four times the smaller,what is the smaller number?
Explain How To Solve Please ?
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08/26/15

3(x-2)+4=4(x-2)+1
Solve Please
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08/26/15

varies directly
For a body falling freely from rest (disregarding air resistance), the distance the body falls varies directly as the square of the time. If an object is dropped from the top of a tower 400 feet... more
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08/26/15

At what value(s) of x does the graph of f (x) = x^2 - 14 intersect the graph g (x) = 4x?
you have to figure out where the two equations on a graph.
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08/25/15

Can anyone help me with this? I'm suppose to use resolution to prove that [(p ? q) ^ (q ? (r ^ s))] ? (p ? s)
I have to use resolution to prove these inferences are valid [(p → q) ^ (q → (r ^ s))] → (p → s) ?
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08/25/15

Calculus Question
Which is the moment of inertia of the following system about the x-axis    m1 = 4 at (1, -3)   m2 = 7 at (3, 5)   m3 = 9 at (-3, 9)
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08/25/15

the area of the region bounded by y= x^3-2x^2-5x+6 ; x-axis ; x= -1, x=2
integral calculus
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08/22/15

differential equation
Suppose that 120 deer are placed in a protected region. If the region can support a maximum deer population of 500, then the bounded growth model for the deer population gives us which differential... more
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