10/04/15

A projectile is fired straight up at a speed of 19 m/s.
A projectile is fired straight up at a speed of19 m/s.How long does it take to reach the top ofits motion? The acceleration due to gravity is9.8 m/s2.Answer in units of s.
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10/02/15

A basketball team played 70 games. They won 24 more than they lost. How many games did they win? How many games did they lose?
I believe this problem is either solved by substitution or elimination. I am in Intermediate Algebra. 
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10/01/15

Given independent events...
Given independent events, A and B, such that Pr[A]=0.05 and Pr[B]=0.12. Determine Pr[A U B].
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09/07/15

Ordinary differential equations ???
How do you solve this differential equation,     (x-y2 )dx + 2xy dy =0
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08/31/15

Setting up an equation to solve a three number word problem.
Find the angle measures of a triangle if the second angle measures 10 degrees less than twice the first, and the third angle measures 25 degrees more than the second.
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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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08/24/15

Prove that
x1/x2 + x2/x3 + .......... + x201/x1 ≥ 201
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07/23/15

. Show that any linear transformation maps the origin to the origin.
Please answer the question. I am stuck and I do not how to prove the question given. 
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07/20/15

Continuity problem
f(x)= (x^2+4)/(x-2) if x<=3 or kx-3 if x>3   Determine a value for k that makes the function continuous on the interval (2,10) for all real values of x in that interval. Please solve this!
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07/17/15

Express limit as definite integral?
limit as n goes to infinity.   n Σ     i4/n5     on interval [0,1] i=1   Options are:  1             1              1            7          1 ∫  1/x5  , ∫  1/x4    , ∫  x4   ,   ∫  x5  ... more
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07/17/15

Prove that if a?(-1,1) then an converges to 0 as n?8
Prove that if a∈(-1,1) then an converges to 0 as n→∞   I have had trouble proving this with the correct notation.
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07/17/15

How does Sn = 1 + t + t^2 + ... + t^(n-1) = (1-t^n)/(1-t)?
The original question is "show that if t∈R with modulus of t < 1, then the series ∑n=1inf tn-1= 1+t+t2+... coverges.
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07/14/15

PLEASE HELP!!!!!!
Two lines, C and D, are represented by the equations given below:Line C: y = x + 14Line D: y = 3x + 2Which of the following shows the solution to the system of equations and explains why?A(6, 20),... more
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07/14/15

second degree polynomials ?
The question asks:   Write a second degree polynimial equation with real coefficients and the given root.   4+2i  
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07/11/15

geometry question
  Let triangle ABC and triangle DEF be similar triangles such that the scale factor of triangle ABC and DEF is (2/3). The perimeter of triangle ABC is 20 inches. What is the perimeter of triangle... more
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07/10/15

the product of a number and 12 is equal to 34
how do you make this problem a algebric equation
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07/06/15

Use a comparison test to determine whether or not the following improper integral converges. Explain briefly how the test supports your conclusion.
  Use a comparison test to determine whether or not the following improper integral converges. Explain briefly how the test supports your conclusion.   integral from 1 to infinity... more
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06/19/15

Find the area of a regular pentagon with side equal to 3 and apothem equal to K. 1.5K 7.5K 12K
help me please
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06/19/15

maths integration help please...
0∫ ∏  [sin (n + (1/2) ) X] / sin X dx equals : (2n +1 ) x ∏ / 2 0 ∏ n∏
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06/04/15

Proving the periodicity of function
  I just wanted  a verification the proof i have writtenProblem statement: If f(x) is periodic with period T, then f(ax+b) is periodic with period T/a, a>0 My procedure:1) f(x)=f(x+T); (since... more
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05/25/15

There exists a set S such that the number of function f : S ?{1,2,3} is 1000
There exists a set S such that the number of function f : S →{1,2,3} is 1000 true or false, please provide with explanation.
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