# Posts by sima

Total # Posts: 8

precal
5r+3r+12=52 8r+12=52 8r=52-12 8r=40 r=5 so it's 5 roses

physics
A steel rod of length 4 m is welded to the end of an aluminum rod of length 3 m (lengths measured at 23 °C). The combination rod is then heated to 198 °C. What is the length of the combination rod at 198 °C? (The linear expansion coefficients for steel and aluminum...

organic chemistry
What is the general formula of cycloalkane ?

Math
Find an equation of aline that is tangent to the curve f(x)+2cos3x and whose slope is a maximum?? Pleasee help!!

ict year 8
i know this question has been asked before but i can`t find the answers on the other sites mentioned before. I need to find the definition of intranet, advanced search , search engine , attachment , groups, html, and hyperlink and also i need to give examples if possible. Also...

Math
Thank you so much.

Math
You have three dice. What is the probability to find rolling two same number?

Math
210 = 7*30 = 7*5*6 = 7*5*3*2

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