1,068 Answered Questions for the topic Algebra Help

Algebra Help

10/23/13

Algebra help
If you enclose a rectangle garden using a side of a building as one side of the rectangle, what are the dimensions of the garden if it is to be the maximum area that you can enclose with 42 feet of... more
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Algebra Help

10/23/13

Algebra help
A boat travels 16 miles upstream and 15 miles downstream. The total time for both parts of the trip is 9 hours. The speed of the boat in still water is 9 mph. Find the speed of the current. 
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10/21/13

Please solve this Word Problems.
1. Shipping charges are often based on a formula that offers a lower charge per pound as the size of the shipment is increased. Suppose shipping charges are as follows: $2.20 per pound if the... more
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Algebra Help

10/19/13

f(x)=6(x+2)-3 solve for the inverse function when x=21
solve for the inverse when x=21      F(x)=6(x+2)-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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10/12/13

Solve please and Thank you
Solve (Show all work)   √11-x= x+1
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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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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... more
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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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Algebra Help

10/09/13

unclear of what steps to do
A textbook store sold a combined total of chemistry and physics textbooks in a week.The number of chemistry textbooks sold was three times the number of physics textbooks sold.How many textbooks of... more
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Algebra Help

10/08/13

How can we determine the number and type of solutions to a quadratic equation without actually solving it?
 I just need to know for my College Math class. I feel like I am not doing so great in class and need HELP.
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Algebra Help

10/07/13

HELP functions
f(x)=2x-3 and g(x)=√4x+3   find (f ° g)(x) Find the domain of (f ° g)(x) Find (g ° f)(x) Find the domain of (g ° f)(x)   can someone lead me in the right direction on how to do these??
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Algebra Help

10/07/13

HELP functions
given that f(x)=x^2-2x+2 and g(x)=√5+2x   (g-f)(x), (f/g)(x), domain of (f/g), the domain of (g)   How in the world do I do these???
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Algebra Help

10/06/13

how do you solve ln(x+1)-ln(x)=ln4
ln(x+1)-ln(x)=ln4
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Algebra Help Math Algebra Simplify

10/06/13

Simplify. Assume all variables represent positive real numbers
Simplify assume all the variables are positive real numbers    3√x^6y^5
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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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Algebra Help Math Algebra Math Help

10/06/13

Simplify the exponential expression
Simplify the exponential expression.   (-2x3y4)5
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10/04/13

Find the cube root
Find the cube root    3√1/125
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10/02/13

Find the distance between the pair of points. Give an exact answer and a three-decimal-place approximation
Find the distance between the pair of points. Give an exact answer and a three-decimal-place approximation. (2.8,-1.8) and (-8.3,9.6)   Find the exact distance  Find the decimal approximation... more
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10/02/13

Add or subtract
Add or subtract . Simplify answer    5√75 -4√50 + √48 =
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10/02/13

Multiply,and then simplify if possible. Assume that all variables represent positive real numbers
Multiply, and then simplify if possible. Assume that all variables represent positive real numbers    √2(√2+y√6)
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09/29/13

Variation equation
If y varies directly as x, find the constant of variation k and the direct variation equation for the situation. y=3 when x=6
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09/29/13

Find the domain of the rational function
Find the domain of the rational function. f(x)=7x-8/7
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Algebra Help

09/27/13

Graphing Fuction help!!
I don't understand....... The questions is: Use a graphing calculator to find the intervals on which the function f(x)=x^3-3x^2+2 is increasing or decreasing and find any maxima or minima. Can... more
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Algebra Help

09/26/13

i need help
1 + 5 = 2       —   —      x     x
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