Problem 123851 solved by solver91311
Thursday, January 31st, 2008webmaster@algebra.com: This problem was solved by solver91311: I need some help solving this problem. Can someone help me? u^2+5u+7u+35 Thanks. Read more
Archive for January, 2008
webmaster@algebra.com: This problem was solved by solver91311: I need some help solving this problem. Can someone help me? u^2+5u+7u+35 Thanks. Read more
Problem 123846 solved by solver91311
Thursday, January 31st, 2008webmaster@algebra.com: This problem was solved by solver91311: The 14 digits of a credit card are written in the boxes shown. If the sum of any three consecutive digits is 20, what is the value of A? A _ 7 _ _ _ _ _ _ _ _ 7 _ 4. Read ...
Problem 123842 solved by rapaljer
Thursday, January 31st, 2008webmaster@algebra.com: This problem was solved by rapaljer: What formula do you use to put this in vertex form where you can graph it? What are the “zeros” of this equation? and how do you find the “zeros”. f(x)=-3(x-2)^2+5. Read more
Problem 123857 solved by stanbon
Thursday, January 31st, 2008webmaster@algebra.com: This problem was solved by stanbon: how do you express f(x)=-3(x-2)^2+5 in standard form? What formula do you use? Read more
Problem 123797 solved by josmiceli
Thursday, January 31st, 2008webmaster@algebra.com: This problem was solved by josmiceli: I am so confused and stuck on these types of problems: -9+20=19x-4-18x please help me!! Read more
Problem 123591 solved by ankor@dixie-net.com
Thursday, January 31st, 2008webmaster@algebra.com: This problem was solved by ankor@dixie-net.com: An alloy of silver and gold is to be recast with an addition of silver. The alloy consists of 80 oz, of which 10 oz are gold. If the new alloy is to have only 1/5 of gold in 5 oz, … Read more ...
UNsolved problem 123859 added to Equations
Thursday, January 31st, 2008webmaster@algebra.com: Click on the link to solve this problem: Solve by using principle of 0 products. t(t+5)=0 Thanks. Read more
UNsolved problem 123861 added to Travel_Word_Problems
Thursday, January 31st, 2008webmaster@algebra.com: Click on the link to solve this problem: A Star emits radiation at 424nm; it would normally emit radiation at 430nm. What is its radial velocity and direction. Read more
Problem 123854 solved by johnnico6426
Thursday, January 31st, 2008webmaster@algebra.com: This problem was solved by johnnico6426: i need help on systems of equations with 3 variables. 2x+y-3z=-12 5x-y+z=11 x+3y-2z=-13 Please and Thank you! Read more
Problem 123855 solved by stanbon
Thursday, January 31st, 2008unknown: This problem was solved by stanbon: Debbie traveled by boat 4 miles upstream to fish in her favorite spot. Because of the 5-mph current, it took her 40 minutes longer to get there than to return. How fast will her boat go in still water … Read more