10/08/14

How many liters of a blue dye that costs $1.60 per liter must be mixed with 15 L of anil that costs $2.80 liter to make a mixture that costs $2.00 per liter?
need answer in Liters
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10/06/14

Simplify equation
1 - 2a-1/4a*2+4a+1   -   2a/2a+1
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10/05/14

find the function that is finally graphed after each of the following transformations is applied to the graph of y=square root of x in the order stated.
find the function that is finally graphed after each of the following transformations is applied to the graph of y=square root of x in the order stated. a) Shift up 2 units, b) reflect6 about the x... more
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09/30/14

In the year 2005, the student council raised $950 during their can drive. In 2010 the figure rose to $1600. Predict the amount of money the student council wi
(continuation) Predict the amount that will be raised in 2015.
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09/25/14

Trigonometry
If 270º <x< 360º , show that √(2+√(2+2cosx)) = 2 sin x/4.   Thank You! :)
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09/24/14

Word problems
If Bob sells a widget for 10.00$ and he makes a 5% profit, what would Bob need to sell the widget for if he wants to make a 10% profit 
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09/24/14

90+90 equals what
I need help with additon and mutiply and subtraction
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09/24/14

maths help(probability)
A well-traveled highway has its traffic lights green for 82% of the time. If a person traveling the road goes through 8 traffic intersections, finda) the probability that the firstred light occur... more
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09/24/14

Modulus and power functions
The rates of return from firms A, B and C are x%, y% and 5% respectively. Firm A's rate differs from firm B's rate by half the difference in the rates between firm B and firm C. Find the possible... more
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09/24/14

Sumalee won 40 super bouncy balls. Later, she gave two to each of her friends. She only has 8 remaining. How many friends does she have?
This is a two-step equation word problem. 
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09/23/14

Direct Variation
A pitcher’s earned-run average E varies directly as the number R of earned runs allowed and inversely as the number I of innings pitched. In 2010, Bronson Arroyo of the Cincinnati Reds had an... more
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09/23/14

Mathematics
B is any point on the curve y2=2x and A is a fixed point with coordinates (2,6). Find the equation of the curve trace by the mid-point of AB.   Ans: y2-6y-x+10=0   Thank you! :)
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09/23/14

Circles Math
(i) Given that the line y=mx, where m is a positive integer, does not intersect the circle x2+ y2 -4mx +3=0, find the value of m.   (ii) A line parallel to y=mx is a tangent parallel to the... more
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09/21/14

The number N = 6log10?2 + log10?31 lies between two successive integer whose sum is equal to ?
The number N = 6log102 + log1031 lies between two successive integer whose sum is equal to ?
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09/21/14

The value of X , if log1/2?x >= log1/3?x is
The value of X , if log1/2x >= log1/3x is 
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09/19/14

can you draw a diagram and explain trigonometry identities for shifts of pi/2, pi, 2pi?
can you draw a diagram and explain trigonometry identities for shifts of pi/2, pi, 2pi?
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09/18/14

Over the 52 weeks in 2000, the price per share of a certain stock ranged in value from a low of $17.93  to a high of  $36.55. By how much did the
Need help with math homework
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09/16/14

If x^2+bx+c=0Why is x^2+bx=(-)3
This is nothing  please don't mind this question cause I'm just trying to experiment
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09/15/14

when you look at signs on the dividend and divisor and compare them with the signs on the quotient war answer what do you notice
Divisor and dividend and quosent need help with this awnser  
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09/15/14

when you look at the signs on the dividend and divisor and compare them with the sign on the quotient or answer what do you notice
well this is math class and its really hard its is about what word notice about the dividend divisor and quotient what will you notice    
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09/15/14

85 cookies were sold. 25 more chocolate cookiies sold than peanut butter 12 fewer suger cookies sold than the peanut butter. How many of each sold?
85 total cookies sold 25 more chocolate chip than peanut butter 12 fewer sugar cookies than peanut butter How many of each?
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09/14/14

Algebra 2 story problem
Sumatra sells avocados, cauliflower, and pineapples to pay his rent. He sells avocados at $4 apiece, cauliflower at $2 apiece, and pineapples at $10 apiece. He sells 1 pineapple for every 5... more
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09/11/14

rewrite without rational exponents,and simplify if possible (x^2y^2)1/7
need help with rational exponents to get the answer if any answer.
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09/09/14

Find m<1 using the given information.
Find m<1 using the given information. m<1=5x, m<4=2x+90 X= <1=
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09/08/14

maths help
What's the answer to this differential equation if n is the nth derivative? XY^(n+1)=-ny^n
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