1,067 Answered Questions for the topic Algebra Help

Algebra Help Algebra 2

09/29/15

Algebra Help
The total annual interest from 2 investments is 81$. Some amount of money is invested at 5% simple interest and $300 more than this amount is invested at 7% simple interest. How much was invested... more
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Algebra Help

09/29/15

Rectangle in a rectangle
A concrete walk of uniform width around a rectangular garden that measures 24 by 40 feet is to be built. You have available concrete mix of 272 square feet. How wide should the concrete walk be to... more
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Algebra Help

09/28/15

What is the solution of |x-2|(greater than or equal to) 4 in interval notation?
Need help with algebra hw. Thank you
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Algebra Help

09/28/15

What is the solution set of |x-2|(less than or equal to) 4 in interval notation?
Having algebra problems. Please help 
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Algebra Help

09/28/15

Find all real and imaginary solutions to the equation a^4-81=0
Algebra help needed. Thank you 
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Algebra Help

09/28/15

What is y-5=-8/7(x+3) when it is solved for Y?
Having algebra trouble. Please help, thank you 
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Algebra Help

09/28/15

what is the slope of a line perpendicular to 6x-3y=6?
 i need help with a question about perpendicular lines and slopes. thank you!
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09/23/15

how to solve word problems
alyssa is determined to get some exercise and walks to the store at a brisk rate of 4.5 mph. she meets her friend ellie at the store and together they walk the same distance back at a slower rate... more
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Algebra Help

09/18/15

serious problem !!!
Find the product by applying formula : (3a-10)(3a-5)
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09/18/15

Find the domain and range of the function
f(x)=   -3x-2     x less than 4 3/4x-1   x greater than or equal to 4   I have figured out the domain is (-infinity,infinity). I am really struggling on the range. 
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09/17/15

The Algebra of Functions
For f(x)=4x^3, construct and simplify the difference quotient f(x+h)-f(x)/h         Just so there is no confusion   f(x+h)-f(x)/h means f(x+h)-f(x) is all over h
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Algebra Help

09/12/15

algebra 2 problem
I need to solve and simplify this problem 22x+1=8
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Algebra Help

09/12/15

algebra 2 problem
The exponential equation has to be solved 5x=2    I'm trying to find the exact answer and solution
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Algebra Help

09/12/15

algebra 2 problem
5x = 4    ?????
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09/11/15

College Algebra- Word Problem
The average height of mountain A is 19,210 ft and its average height is 8890 ft less than the sum of the average heights of mountains B and C. The average height of mountain C is 280 ft less than... more
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Algebra Help

09/10/15

adam and Beth have a total of $82. Beth has $7 more than twice as much money as Adam. Use trial and error to determine how much money Adam has
not sure how to work this out, I've tried 16 different times and my mind just isn't working with me
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09/10/15

find sin, cos, and tan
The point (1, −1) is on the terminal side of angle θ, in standard position. What are the values of sine, cosine, and tangent of θ? Make sure to show all work.
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09/09/15

How many lilies does it take to cover?
A particular lake has water lilies growing on it. On the first day, there are two water lilies. Each day, the number of water lilies doubles. After 30 days, the water lilies cover half the lake.... more
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Algebra Help

09/06/15

Can I get algebra help please? I really need it.
The question is, "The speed of sound is 1088 feet per second at sea level at 32 F. Write and solve an equation to find the distance sound travels in 8 seconds under these conditions."
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Algebra Help

09/02/15

x-1 squared = 9
x -1 squared = 25
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09/01/15

a rectangle has sides of length 1 and x. When a square with side length 1 is removed from the rectangle...
a rectangle has sides of length 1 and x. When a square with side length 1 is removed from the rectangle, the remaining rectange has the same proportions as the original. what are all the steps to... more
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08/30/15

Given f(x) = 3x + 3 and g(x) = x2 + 11x – 7, find (gf)(x).
A.) -3x^2+12x-21   B.) 3x^3+36x^2+12x-21   C.)36x^2+12x-21   D.)36^3-3x^2+12x-21
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08/29/15

Given f(x) = x/6 and g(x) = 3x/2, find (f + g)(x).
A.) 3/(5x)   B.)x/2   C.)(5x)/3   D.)x  
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08/25/15

a bicyclist travels 1 mile in 5 minutes. if m represents minutes, what does the expression m/5 represent?
please help with algebra 1 math word problem  
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08/23/15

What was his lowest grade? & How much money is currently in their account? (two different questions)
Bob's average (arithmetic mean) on six math tests this marking period is 80. Fortunately for Bob, his teacher drops each student's lowest grade , and this raises Bob's average to 90. What was his... more
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