04/24/19

Prove that E (aX+b) =aE(X) +b?
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04/23/19

Which Is the demonstration of ∆=b^2-4ac?
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04/23/19

When you factorise 16-81h^2?
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04/23/19

What is 5 – 7 × 9 + 3?
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04/23/19

find a polynomial function of least degree having only real coefficients, a leading coefficient of 1, and zeros of 5 and 4+i
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04/23/19

What is the domain and range of 5/-1-x?
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04/23/19

ODE 2y''-y'=1, y(0)=0, y'(0)=0
Hello dearsIt's such a crazy question, but I just confused that how can I find general solution!!?2y''-y'=1, y(0)=0, y'(0)=0I tried with these forms but couldn't find!1) y=c1*c^x +... more
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04/23/19

form a polynomial
form a polynomial with the degree of 5 and zeros -3;-i;4+i
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04/23/19

Writing an equation
the width of the rectangle shown is x inches, and the length is (3x+2) inches. write an expression representing the perimeter of the rectangle?
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04/22/19

Solving Logarithmic equation
(1/(log2(x+2)2) + (1/(log2(x-2)2) = 5 /12
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04/19/19

A rectangle is 3 miles longer than it is wide. Find the dimensions of the rectangle if it’s area is 247 sq-miles

Enter your answer as an expression to be calculated
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04/11/19

Determine the value of a (a>0) if:
∫7a (-1/1-7x)dx = (3/7)ln3
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04/10/19

The second of two numbers is 6 less than 3 times the first. Their sum is 26. Use one variable
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04/10/19

(-8,3), (-9,-2) in Ax+By=C

Find an equation of the line passing through points (-8,3) and (-9,-2) and write the form in Ax + By = C
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04/01/19

find the analytic function f(z)=u+iv,given u=a(1+cosx)
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03/23/19

Determine if the equation Ax = b is consistent for all possible b1 and b2
Let A = -3 3 3 3  and  b = b1 b2 Determine if the equation Ax = b is consistent for all possible b1 and b2 . If the equation is... more
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03/18/19

What’s the solution of the given differential equation by method of variation of a parameter d2ydx2+3dydx+2y=e−xx?
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03/16/19

How do I write the standard form when a graph is given?
Write the standard form of the graph with the points (0,3) and (-2,-1).
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03/12/19

equations of parallel and perpendicular lines
write the equation of a line that is perpendicular to y=7/5x +6 and that passes through the point (2,-6)
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03/08/19

if f0(x)=1/(2-x) and fn+1(x)= f0(fn(x)) for n= 0,1,2,....., find an expression for fn(x) and use mathematical induction to prove it.
if f0(x)=1/(2-x) and fn+1(x)= f0(fn(x)) for n= 0,1,2,....., find an expression for fn(x) and use mathematical induction to prove it.I really have no idea.
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02/25/19

Find a polynomial function with the zeros -2 multiplicity 2 and 2 multiplicity 2. whose graph passes through the point (-3,50)
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02/20/19

What values of x makes the series converge (ln(n)^x)/n
Series starts from 2 to infinity
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02/19/19

How to determine 2 unknown value in a 3 x 3 matrix
How to solve the following question2 2 0 X = 0P 2 0 Y = 0Q -1 -1 Z =0
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02/15/19

error approximation
The distance, in feet, a stone drops in  seconds is given by . The depth of a hole is to be approximated by dropping a rock and listening for it to hit the bottom. Assume that time measurement is... more
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01/31/19

Section 1.5 Prob 4
For what value of the constant c is the function f continuous on (-INF, INF) wheref(x)={ cx+8 if x ∈(−∞,7] cx^2-8 if x∈(7,∞)
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