11/11/13

Solve algebraically 7x^2/8=2(x-1)
Solve algebraically 7x^2/8=2(x-1)
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11/11/13

solving application linear equations
if planet one is 29.3 miles farther from the sun than planet two, then planet three is 25.4 miles farther from the sun than planet one. When the total of distances for these three planets from the... more
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11/09/13

solve x^4+2x^3-10x^2-14x-3=0
solve the polynomial equation using synthetic division.
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11/08/13

what is the square of the given quadratic expression f(x)=x^2-8x+13
complete the square of the given quadratic expression. f(x)=x^2-8x+13
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11/08/13

x^2-8x+41 :solve for x
This question comes solve for x: ײ-8x+41
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11/07/13

(6t^3+5t^2+9)/(2t+3)
(6t3+5t2+9)÷(2t+3)
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11/07/13

The sum of two intergers is 5.The difference between their squares is 45 determine the numbers
this question comes from the words problems
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11/07/13

2^x+2+2^x+1=192
this is solve for x can anyone out there help me please
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11/06/13

Out of 250 students who failed in an examination, it was revealed that 128 failed in mathematics,87 failed in physics and 134 failed in chemistry.31 failed in
maths and physics,54 failed in chemistry and mathematics,30 failed in chemistry and physics.find how many candidates failed in: [a]in all the three subjects.[b]in mathematics but not in physics.[c]... more
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11/04/13

inverses and exponents
f(x)=ex has an inverse of f-1(x)=lnx     Explain why eln(x)=ln(ex)   I don't know how to explain. Thank you.
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11/02/13

What must be the coordinates of point B so that the line x = 2 is the perpendicular bisector of AB ?
Point A (–4,1) is in the standard (x,y) coordinate plane. What must be the coordinatesof point B so that the line x = 2 is the perpendicular bisector of AB¯ ?
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11/02/13

Given A(5,3) and O(0,0), find B that makes the following true. m(A,B)= -3
safsdsafdasfads  sdfafdqsf asfasdfssad
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11/02/13

How much would each of the 4 save if they can get a fifth person to join them and the 5 people equally divide the price of the 5-ticket block?
Four students about to purchase concert tickets for $18.50 for each ticket discover thatthey may purchase a block of 5 tickets for $80.00. How much would each of the 4 saveif they can get a fifth... more
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11/02/13

What percent of the graduating class had taken fewer than 6 math courses?
This year, 75% of the graduating class of Harriet Tubman High School had taken atleast 8 math courses. Of the remaining class members, 60% had taken 6 or 7 mathcourses. What percent of the... more
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11/02/13

what are the roots of find the roots of p(x)=x^4-4x^2-4x-1
Fin all roots exactly (rational, irrational and imaginary) for the polynomial equation
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11/02/13

How do I use ratios in a proportion?
Say this question x/6 = 2/4 how do I solve that AND  show my work?  
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11/01/13

p1=(5,2);p2=4,6)
the distance between two points.
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10/30/13

Subtitution and Elimination #2
Solve each system of equations by using the substitution method1.  y=x+5      y=4x-1   2.  y=x/2      y = x-4   3.  x+y=5      2x-3y=5
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10/30/13

test scores are 3 times as much as as quiz scores. Test scores are 85,92 and quiz scores are 82,75,95 and 84. What is the average score?
Test scores are 3 times as much as quiz scores. The test scores are 85, 92 and the quiz scores are 82,75,95,84. What is the average score?
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10/30/13

Trig Identities
Explain how you could determine the exact value of (sec 7pi/6) if you know the value of (sin 11pi/6). Prove with diagrams.I've no idea how to do this question that's worth 10 marks.
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10/29/13

find a number such that 10 less than two-thirds the number is one-forth the number
I need to know how to solve it and the answer. this includes the equation(s) with the variable  
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10/29/13

-20t greater than or equal to 100
how do u do it
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10/27/13

Can someone show me how to determine which of the following is a factor of th e polynomial x^-x-20?
Can someone show me how to determine which of the following is a factor of the polynomial x^-x-20?
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10/27/13

How long did James travel before Julio caught up with him?
James left the hardware store and traveled toward the capital at an average speed of 28 km/h.  Some time later Julio left traveling in the same direction but at an average speed of 35 km/h.  After... more
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10/27/13

complete the square
y=x^2-3x-2                
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