# Latest activity

• ksdhart2 replied to the thread Match the post#.
0 + 123 + 4 \cdot 5 \cdot 6 \cdot 7 + 89 = 1052 987 + 6 + 54 + 3 + 2 \cdot 1 + 0 = 1052
• Yes, you have to convert the currencies to one standard, because their relative amounts determine the weighting of the average. For...
• guys I really need help, why sinx(x)=sin(x+2*pi) ? argument aren't the same so how at specific x we get the same value of two functions?!
• but once again, isn't necessary for two function like sinx and sin(x+180) to have same argument for saying that two functons are the...
• Hi, I am having some trouble with my geometry lesson. The question is: Imagine you have been called as an expert witness in a court...
• SAME as : 2a = 30, 3b = 15, 4c = 16 ; a+b+c = ? HOKAY?
• Denis replied to the thread where did this term go?.
Become an "expert": https://www.mathsisfun.com/algebra/completing-square.html
• Denis posted the thread Today's rebus in Math Odds & Ends.
|--------| | Feb.29 | Sunday |--------| (5 words)
• Hi, A sales person has targets & sales in three countries with their own currencies. The sales persons achievement in each country can...
• MarkFL replied to the thread Telescoping sums.
Okay, having proved the given identity, then we know...
• Please show what you've tried, and where you are stuck, as always! We want to help you with what you really need, not just what we...
• I've corrected your Latex above; don't use \$, and use the [ MATH ] around the entire expression, not individual symbols. What you have...
• This is not advanced math. This is beginning algebra. PLEASE post in the proper category. Also, you need to read...
• Dr.Peterson replied to the thread where did this term go?.
Have you learned how to complete the square in a case with numerical coefficients, like x^2 - 6x + 4 = 0? That's an important skill, and...