1,647 Answered Questions for the topic Math Help For College
10/13/13
Graph the following equation
Graph the following equation and show all work.
y=-4x+1
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10/13/13
Find an equation of a line
Find an equation of the line. Write the equation using function notation. (Show all work)
Through (2,-5);perpendicular to 9y=x-18
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3
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Solve the equation for m
Solve the equation for m and show all work
(m-9)/4 - (4m-14)/7 =2
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3
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10/13/13
Solve the equation for t
Solve the equation for t and show all work
(4t2)/5=t/5+21/10
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3
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Solve the equation
Solve the equation for x and show all work
(x2+2)/(3x2-5x+2)+-3/(x-1)=-5/(3x-2)
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2
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10/12/13
Use the quadratic formal to solve the equation
Use the quadratic formal to solve the equation (show all work)
(m-4)(3m-10)=3(m-2)+18
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4
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10/12/13
Find the domain of the rational function please
Find the domain of the rational expression (Show all work)
R(x)= -7-6x/x^3-5x^2+6x
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3
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10/12/13
Simplify rational expression
Simplify the rational expression (Show All work)
x^2-8x-48/x+4
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2
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10/12/13
Simplify by factoring
Simplify by factoring. Assume that all variables under radicals represent nonnegative, (Show all work)
√81x^6
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3
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10/12/13
Simplify please
Simplify. Use positive exponents for any variables. (Show all work.)
2a^-4b^5/8a^2b^-3
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2
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10/12/13
Find the population
In 2006, the population of a country was 47.9 million people. From 2006 to 2050 the country's population is expected to decrease by 4.8%. Find the expected population of the county in 2050. Round...
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10/12/13
The length of the ladder
A spotlight is mounted on the eaves of a house 24 feet above the ground. A flower bed runs between the house and the sidewalk, so the closest the ladder can be placed to the house is 18 feet. How...
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10/12/13
Solve. Please
In 2006, the median of an existing home in some country was approximately $224,000. In 2001 the median of an existing home was $151,400. Let y be the median price of any existing home in year x....
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3
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10/11/13
Solve the equation for x
Solve the equation for x (show all work and simplify answer)
8(x-5)+x=9(x-5)+5
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4
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10/11/13
Find the Slop and y intercept of a line
Find the slope and y intercept (show all work)
2x+2y=20
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4
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10/11/13
Accounting Problem
A principal of $6500 is invested in an account paying an annual rate of 7%.Find the amount in the account after 5 years if the account is compounded semiannuallly, quarterly and monthly. (show all...
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10/11/13
Math Word Problem Average
The average annual number of cigarettes smoked by an adult in some country continues to decline. For the years 1997-2006, the equation y=-49.2x+1756.7 approximates this data. Here x is the number...
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10/11/13
Math Word problem
The amount P of population varies directly with the population N of people. City A has a population of 416,000 and produces 260,000 tons of pollutants. Find how many tons of pollution we should...
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10/11/13
Use the product rule to simplify the expression
Use the product rule to simplify the expression.
(-4x^4p^6)(6y^5x^2)
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2
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10/11/13
Solve please
Solve the compound inequality. Type your answer in interval notation. Simplify your answer.
-5≤-3x+3/2≤3
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4
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Simplify. Assume all variables represent positive real numbers
Simplify assume all the variables are positive real numbers
3√x^6y^5
10/06/13
Use a calculator to write a four-decimal-place approximation of the number (round to four decimal places as needed)
Use a calculator to write a four-decimal-place approximation for the number (round to four decimal places as needed.)
51/4
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