02/16/14

is it true or false that once a theory is proven in science ,scientists stop testing it .
could someone help me decide whether the answer is true or false .
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02/16/14

x:2.5::4:5
I have no idea how to do this math  
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02/16/14

if a light year is the distance that light travels in one year , find the number of miles , meters and kilometers in one light year .
Can a tutor please help me answer this question showing all the possible calculations for this question need so as to me having a cleare idea on how to answer questions like these next time i come... more
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02/16/14

If the speed of light is 186, 000 miles per second . How many meters will light travel in one second ?
i need some to please help me show all the necessary calculations for this problem helping break it down as simple as possible so i can further clearly understand how to go about doing it. 
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02/16/14

graph to find the solution.
-4x+9y=9 x-3y=-6
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02/15/14

Rahul purchased 2.500 kg of potatoes and 3.750 kg of onions. Some onions were lost in a transit.He found 4650 kg left. how many onions left?
Rahul purchased 2.500 kg of potatoes and 3.750 kg of onions. Some onions were lost in a transit.He found 4650 kg of vegetables left. how many onions were left?
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02/15/14

Expanded notation
Write 8926 in expanded notation using powers of ten
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02/15/14

the sum of two numbers is 37. the larger number is 5 more than the smaller number. What are the numbers?
I need help with this algebra question please and thank you!! :)
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02/15/14

What level of acceleration does gravity give?
I was thinking about gravity and isn't it a meters per second per second per second acceleratory force? I mean, as you get close to an object's center of mass the force of gravity gets stronger,... more
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02/15/14

Subtract and reduce to lowest terms if possible
8 - 8 __ __ Z-1 1-Z
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02/15/14

Assume that the expression given are denomintors of fractions.find the LCD for the group
k2 +5K,K2 +3k -10 is
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02/15/14

COIN WORD PROBLEM
A newspaper carrier has $2.55 in change. He has 2 more quarters than dimes but 4 times as many nickels as quarters. How many of each coin does he have?
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02/15/14

add.simplify your answer in factored form
4_____________ _ 3____________ X2-6X+5                 x2-10x+25=
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02/15/14

what is the equation of the line that passes through the points (0,3) (2,0)?
what is the equation  of the line that passes through the points (0,3) (2,0)?
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02/15/14

compare and contrast the functions
graph the functions  f(x)=(-x^3+5x^2-6x-12)/(x^2-2x) and g(x)=-x+3   what are the similarities between f(x) and g(x)? please choose which ones apply  1)they have the same end behavior 2)they... more
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02/15/14

COIN WORD PROBLEM
A newspaper carrier has 3.20 in change he has 4 more quarters than dimes but has 5 times as many nickels as quarters. How many coins of each does he have
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02/15/14

Math problem: Let f: X ?
Y be a function.True or False?A sufficient condition for f to be one-to-one is that for all elements y in Ym there is at most one x in X with f(x)= y.
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02/15/14

whats is 2+3
2+3
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02/15/14

x + y = 9, x^2 - 3xy + 2y^2 = 0
simultaneous non - linear equation... little confusing 2 me
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02/15/14

2x + y = 1, x^2 + y^ 2 = 1
simultaneous problem non - linear equation plssss tell me d solution...
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02/14/14

At the the year t=0 population of 5900 began growing at a rate of 4% per year.
I am trying to find an equation to satisfy these conditions. I have tried 5900(.96t) and that is not the correct answer. I am in a trigonometry class so I think that it might have to include sine... more
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02/14/14

systems of equation
A baker makes three types of cookies: Chocolate Chip, Snickernoodles, and Peanut Butter cookies. A batch of Chocholate Chip cookies requires 2 eggs, 3 cups of flour, and 1 1/2 cups of sugar. A... more
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02/14/14

Rationalise the denominator of the following expression, simplifying your answer as much as possible
5/6-9√2
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02/14/14

Write the following expression as a single algebraic fraction and simplify it. Use only positive indices in your answer:
-6s^2-7s/9s + 3/s
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02/14/14

how many types of geomentry designes
dear sir, Iam srinivas,this is first time introduce this website.i am not an educated but kindly help answers from your side. I want to show design names ,shapes and what is called thier names of... more
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