09/07/15

I can someone please answer this question so I can check my work.
Let's assume for a moment that we are standing at the origin and the positive y-axis points due North while the positive x-axis points due East. Our Sasquatch-o-meter tells us that Sasquatch is 7... more
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09/06/15

Use the shell method to set up and evaluate the integral that gives the volume of the solid generated by revolving the plane region about the y-axis. y = 4 - x
 this is a problem that was given in class but i'm having trouble resolve it ..please help if you can
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09/06/15

Length of shorter leg of triangle
Find the length of a right triangle if the longer leg is 10 feet more than the shorter leg and the hypotenuse is 10 feet less than twice the shorter length 
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09/06/15

calculus functions and models
suppose the revenue R from the sale of a product is directly proportional to the number of units x that are sold. Suppose also that the sale of 75 units earns a revenue of 1586.25. Find the revenue... more
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09/06/15

Write an equation of area A of the enclosure as a function of x for the rectangular area.
Three sides of a fence and an existing wall form a rectangular enclosure. The total length of a fence used for the three sides is 240 feet. Let x be the length of two sides perpendicular to the... more
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09/06/15

does anyone know the answer to this?
The cooling system of a car has a capacity of 25 liters. If the system is filled with a mixture that is 60% antifreeze, how much of this mixture should be drained and replaced by pure antifreeze so... more
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09/06/15

lim x-> infinite x*[lnx - ln(x-3)]
Working on my calc bc homework and mildly stumped by this problem. I know that when graphed the answer is 3, but I need to get it into a form where I can use L'Hopital's rule and work it out. 
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09/06/15

algebra 2 question
Could someone assist me to find the negative and positive zeros for this equation f(x) = 2x5-3x2+x-1
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09/06/15

i need help simplifying a radical expression
simplify this radical expression (2√3m)2
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09/06/15

14x^2 + 36x + 22
enter on of the two factors please
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09/06/15

time speed and distance
two trains start at same time form X and Y stations and proceed towards each other at 40 km/hr and 50 km/hr .when they met,it found that one train has traveled 60 km more than the other . the... more
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09/05/15

Find three consecutive even integers such that twice the sum of the first and third even integers is forty-four more than twice the second even integer.
Find three consecutive even integers such that twice the sum of the first and third even integers is forty-four more than twice the second even integer.
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09/04/15

What is the equation?
James has $100 in his bank account and withdraws $5 each week. William has $20 in his account and deposits $5 each week.
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09/03/15

Find the z-score and interpret it
1. Find the z-score of the value 139 in a dataset with mean 111 and standard deviation 8. Interpret the z-score in terms of number of standard deviations above or below the mean.z-score=? The... more
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09/03/15

Question is: Write a quadratic function in expanded form having zeroes of -4 and 0.5
Question is:  Write a quadratic function in expanded form having zeroes of -4 and 0.5   Not sure where to start.
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09/03/15

Average Speed and Average Rate of Change
A train travels from city A to city B and then to city C. The distance from A to B is 97.5 miles and the distance from B to C is 70 miles. The average speed from A to B was 65 miles per hour, and... more
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09/03/15

solve the rational inequality. Express your answer using interval notation. (x-7)/(x+8= 0
solve the rational inequality. Express your answer using interval notation. (x-7)/(x+8≤ 0
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09/03/15

x+9/16=7/8+x-6/6
the ones that have / is a fraction. Need helping solving this problem.
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09/03/15

-22+3x/3x+7=2
Can anyone help me answer the question? Im really confused on it.
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09/02/15

Is (-1) the same as the absolute value of -1? (algebra 1)
  My teacher didn't really go through this, since I skipped 7th grade math and pre-algebra in one year.. I'd really appreciate it if you could help
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09/02/15

if m<PQT=60 and m<PQS=4x+14 Find the value of x
Its geometry
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09/02/15

find a linear equation given varibale in a word problem
when a wholesaler sold a certain product at $25 per unit, sales were 800 units per week.  After a price increase of $5 the average number of units sold dropped to 775 units per week.  Assume the... more
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09/02/15

i have word problems that ijust cannot figure out
The Iditarod sled-dog race extends for 1049 mi from Anchorage to Nome. If a musher is twice as far from Anchorage as from Nome, how many miles has the musher traveled?
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09/02/15

Solve the equation after making an appropriate substitution:
X6-511x3=512   Determine the appropriate substitution using the new variable u:u =    Write new quadric equation using variable u:    Solvery the new quadratic equation for the variable u. u... more
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09/02/15

Solve equation after making an appropriate substitution:
X4 - 19x2+48=0 
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