January 2010 Math thread

<p>did anyone else have the gird in about the lowest fraction made up of y (3 different numbers less than 20) over x (3 different numbers less than 10)?</p>

<p>

Yeah I did, but I didn’t have the questions that Jersey13 and chesschamp posted above. could there be several different math experimentals?</p>

<p>Both of those are experimentals.</p>

<p>^Nope, don’t remember that. (post 266)</p>

<p>Was the 135 area of the quadrilateral a student grid-in?</p>

<p>Yeah, it was 135.</p>

<p>^ Yes it was.</p>

<p>Yesyesyesyes</p>

<p>what did ya’ll put for the question with black and white squares inside each other and asking us to find area of shaded… each square was a little tilted… I got 49</p>

<p>

</p>

<p>Yes, I got that.</p>

<p>Thats correct</p>

<p>49 49 49 49 49 49 49 49</p>

<ol>
<li>that was such a cool question haha</li>
</ol>

<p>If I didn’t reduce a fraction on grid-in, is that wrong?? =(( I put 6/54 instead of 1/9 for the smallest value of x/y… How stupid!!!</p>

<p>suhstacy, I don’t think you get it wrong…</p>

<p>Also, what was the answer to the question where it gave you a graph and said there was a point P not shown and that the y-coord had to be less than 1/2 and asked for the x-coord.</p>

<p>it was a grid in</p>

<p>wait why 4 routes through F? i thought 3…since the last one could get to G but not THROUGH F</p>

<p>I put 2.5 [verified with graphing calc], but it could’ve probably been any number relatively close to that.</p>

<p>Anything between 2 and 3 I believe</p>

<p>

</p>

<p>It’s hard to verbalize, but it was definitely four.</p>

<p>last one for me. the average of 5 numbers is 80. add one more 80 and whats the average of them. i put 80 but it seems really really obvious</p>