Thursday
November 27, 2014

Posts by Anonymous*


Total # Posts: 7

algebra
If a stone is tossed from the top of a 310 meter building the height of the stone as a function of time is given by h(t)=-9.8t^2-10t+310 where t is in seconds and height is in meters. After how many seonds will the stone hit the ground? Round to the nearest hundreth's ...
August 4, 2012

Algebra
Can someone help me with this please. Andrew factored the expression 20x^3-12x^2+8x as 4x(5x^2-12x^2+8x) but when melissa applied the distributive law and multiplied out 4x(5x^2-12x^2+8x)she got 20x^3-48x^3+32x thus Andrews solution does not appear to check. Why is that? ...
August 2, 2012

Algebra
Factor at the greatest common factor from the expression. Can someone please show me how to factor so I will know? Thank you! 18x^714x^2
August 2, 2012

algebra
Add these polynomals. (21t+8(4t) and (3t-4)(2t) 84t^2+32t 6t^2-8t I got this far but isnt there another setp I am forgetting?
July 24, 2012

Algebra
Add these 2 polynomials (21t+8)(4t) and (3t-4)(2t) 84t^2+32t 6t^28t I got this far isnt there another setp to do this is the part I am having difficulty with.
July 24, 2012

math
A deposit of $2,000 earns interest at a rate of 14% compounded quarterly. After two and a half years the interest rate changes to 13.5% compounded monthly. How much is in the account after six years?
July 18, 2011

math
Deposits of $1,000, $1,100 and $680 were made into a savings account, the first two years ago, the second 18 months ago, the third 6 months ago. How much is in the account now if the interest on all deposits is 12% compounded semi-annually?
July 18, 2011

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