11/23/14

each marker weighs 10grams there are 8 markers in a pack how much do all the markers weigh and if the empty box weighs 22g how much do all the markers weigh
Each markers weighs 10g there are 8 markers in a pack how much do all the markers weigh
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11/23/14

Math Work Problem
The exponential model A=684.9e0.022t describes the population, A, of a country in millions, t years after 2003. Use the model to determine when the population of the country will be 1040 million.... more
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11/23/14

six times some number added to 8 amounts to 12 added to the product of 4 and the number
six times some number added to 8 amounts to 12 added to the product of 4 and the number
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11/23/14

Find the car's best gas mileage given the following information.... (description)
Most cars get their best gas mileage when traveling at relatively low speeds. Suppose the gas mileage for a particular car is given by the equation:   M(s)=(-1/28)s^2+3s-31   where s is the... more
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11/23/14

Find a polynomial of degree 3 knowing it's zeros. (Read description for specific question.)
Find a polynomial of degree 3 with integer coefficients, zeros of 1, -2, and 3, and for which the coefficient of the x^2 term is 3. Expand the polynomial to eliminate parenthesis and to combine... more
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11/23/14

Find all the zeros of x^4-(11/2)x^3-(11/2)x^2+52x-24. considering that x=(1/2) is one of the zeros.
Show all steps and answers please.
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11/23/14

1+sinx=cosx , [-pi,pi]
solve it using two different methods in radians please     
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11/23/14

How do i solve the following problems
I need help calculating this and please explain     1) An explosion occurs at the end of a pier. A person standing at the other end of the pier hears the loud noise after 364 milliseconds. If... more
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11/23/14

basic percent problem
what percent of 54 is 14?  Show steps to solve.       and       Suppose the purchase of a big screen tv is $2150 and sales tax is $86.  What is the Sales Tax Rate?  show steps please I am... more
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11/22/14

values of x
Select the approximate values of x that are solutions to f(x) = 0, wheref(x) = -4x2 + 3x + 7.   These are the answers I have to choose from{1.75, –1.00} {-4, 3} {–0.75, –1.75} {–0.57, 0.43}  
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11/22/14

Anna has a pocket of dimes and quarters. If she has 10 coins worth $1.45, how many of her coins are quarters
It ia for homewirk and I'm really bad at word problems. Please help!
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11/22/14

How do i find the domain and range to 1,7 2,8 3,-2 4,4
How do i find the domain and range to 1,7 2,8 3,-2 4,4
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11/22/14

expression
If f(x)=square root x^2-1 and g(x)= square root x-1 f(x)/g(x) for x>1
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11/22/14

If I invest $100 per month starting at age 21, and that money earns a 7% return, how much will I have after 70 years?
If I invest $100 per month starting at age 21, and that money earns a 7% return, how much will I have after 70 years?
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11/22/14

the difference between the measure of interior and exterior angles of regular polygon is 90 degrees?
sir n=?? and explain me some examples to find n?i cant able to do sir plzzzzzzzzzzzz help me
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11/22/14

A group of 100 students took a quiz.
Their average score was 76 points. If the average score for the boys was 80 points and the average score for the girls was70 points, how many girls participated in the quiz? 
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11/22/14

limit x?0 for 1/x-log(1+x)/x^2
please solve it  
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11/21/14

How do i find the coordinates of point dividing a line segment externally in a given ratio?
How do i find the coordinates of the point dividing the line segment joining the points (1,5) and (6,7) externally in the ration 2:3? I know the equation, but i have problems with drawing it. 
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11/21/14

A bus that costs $42,000 when new depreciates according to the exponential model, V=42000e^(-.3t) After how many years will the bus be worth 20,000
A bus that costs $42,000 when new depreciates according to the exponential model, V=42000e^(-.3t) After how many years will the bus be worth 20,000
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11/21/14

the price of an item yesterday was $120 Today, the price rose to $204 Find the percentage increase.
the price of an item yesterday was $120 today, the price rose to $204 find the percentage increase.
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11/21/14

how long after the ball is thrown will it strike the ground?
a ball is thrown downward from the top of a 150 foot building with the initial velocity of 10 feet per second. the height of the ball h after t seconds is given by the equation h=-16t^2-10t+150.... more
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11/21/14

Find a Cartesian equation for the curve. r cos ? = 7.
I have been trying at my wits end to understand how to approach this problem but I cannot seem to get a correct answer. I think I need to start from scratch with some advice. Thank you!
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11/21/14

There were 14 children who had pets and 6 who had no pets. How many more children had pets than no pets
word math help foR adding and subtracting
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11/21/14

Money Problem
Lisa is putting money into a savings account. She starts with $550 in the savings account, and each week she adds $30 .Let S represent the total amount of money in the savings account (in dollars),... more
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11/21/14

find the value of two numbers if their sum is 35 and their difference is 3.
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