Beginning Algebra

Specifically for introductory questions about algebra (Algebra I).
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Ted
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Please help. Thanks
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ydubrovensky4
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There were 288 more red than blue cards. After John used 75% of the red cards and...
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ydubrovensky4
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John and Peter each had some erasers. John gave away 40% of his; Peter gave away 1/7 of his.
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ydubrovensky4
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if i'm asked to find f(5) and i have f(2) and f(3), can i change f(5) -> f(2+3) -> f(2) + f(3) ?
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Dr.Peterson
Dr.Peterson
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Win-win!
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khansaheb
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Word problem: A cylinder has the same radius as that of a sphere, which is R cm.
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Steven G
Steven G
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In a class of 28 students, 3/4 of the boys have been to Queenstown and...
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BanaMath
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Help Exponent Multiplication Variable Bases: m^-3 * y^5 = , X^-3 * y^2 * z^-9 = , (-2x)^3 / 4x =
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The Highlander
The Highlander
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Help with this problem needed thanks: Find y in terms of a, x, b: x^2/a^2 - y^2/b^2 = 1
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Steven G
Steven G
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Ration Question: £150 is divided into the ratio of 4x+10:2x+5:5x+3 How do I find the three amounts?
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khansaheb
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Divisibility: How can I know if (5^12) -1 is divisible by 124?
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lookagain
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Another logarithm question: If log base 5 of 12=a and log base 5 of 2 = b. Find log base 3 of 50 in terms of a and b.
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Helenam
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Help scaling numbers to 0% and 100%: make 21 as close to zero as possible, and...
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151
Dr.Peterson
Dr.Peterson
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Interest rate word problem: "Justin borrowed a total of $6000 from two student loans..."
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326
Bruce
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Vertical Motion Problem - Can't solve for (t): An object is dropped from a 112 foot building...
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320
Dr.Peterson
Dr.Peterson
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Please help with Excel formula: ((X-AVERAGE(A,B,C,D,E,F,G,H,I,X))*100)/J
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Mathdude21
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Mixing Ratios: If my mixing ratio is 2:1 and I need 6oz how much of each do I need?
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Dr.Peterson
Dr.Peterson
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Learning Quadratic Functions: Given y=4x^2-12x+3, my instinct is to write 4x^2-3x-9x+3=(4x-3)(x-1)=0
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stapel
stapel
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Logarithm question: I can't figure out how (log5)^2+(log2)^2+2log2log5 equals 1
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393
Steven G
Steven G
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Solution to an equation: Determine whether x = 3/2 is a solution of 4x - 2 = 2x + 1
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The Highlander
The Highlander
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