# 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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