Math section funky??

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1

<p>I found the math section to be much harder this time than in previous tests. Anyone feel the same?</p>

<p>Like that problem with the hotels and the family confused me for a bit, but I got 6 which I'm pretty sure is correct.</p>

<p>Or the line with the two semicircles stumped me for a while, but got 12pi because of calculator guessing.</p>

<p>or the shape with the overlapping paper. I got 7 sided in the end, which is correct, but I actually had to put effort =(. (I never use the formula 180(n-2) to find degrees in an object with respect to number of sides)</p>

<p>Any others wanna point out some dirty ones?</p>

2

<p>...isnt it DAY 3, and 9 sided?</p>

3

<p>3 day
9 side</p>

4

<p>Woops, lemme resolve. I think I put nine afterall</p>

<p>X + Y = 80 degrees</p>

<p>leaving 140 degrees for the other two notches on the polygon</p>

<p>180 ( n - 2 ) = 140 * n</p>

<p>180n - 360 = 140 n
40n = 360</p>

<p>n = 9</p>

<p>that's what i put =P, </p>

<p>the day thingie I put six, but I wasn't sure</p>

<p>J family and R family cannot go at the same time</p>

<p>J = 6 days
R = 8 days
C = 10 days
S = 8 days
M = 5 days</p>

<p>Total of 14 days possible</p>

<p>J and R can go so </p>

<p>J takes up the first 6 and R the last 8 (7-14)</p>

<p>or </p>

<p>R takes up the first eight and J the last six (9-14)</p>

<p>(-0 repesents 1 day)</p>

<p>-1-2-3-4-5-6-7-8-9-10-11-12-13-14</p>

<p>R -1-2-3-4-5-6
J -8-9-10-11-12-13-14
C -5-6-7-8-9-10-11-12-13-14
S -8-9-10-11-12-13-14
M -10-11-12-13-14</p>

<p>Damn, there goes my 800. 780 is acceptable I guess.</p>

5

<p>lol yea...it was obviously day 3 and if that took a long time, I dunno how you could even finish the math part</p>

<p>i forgot wat i put for the polygon problem</p>

6

<p>I got day 3 and 9 sided too both took me not long at all and i didnt use conventional methods to get both</p>

<p>For the day three one i just drew a diagram</p>

<p>1-----------6--------------12
FAMILY A FAMILY B</p>

<p>They couldnt overlap so when it said that someone had spent 4 days somewhere I would mark them down from 8-12. .etc so in the end only 3 was left untouched pretty easy</p>

<p>for the 9 sided one I did
360/40= 9</p>

7

<p>Wait lol.</p>

<p>I just remember putting day 3 =)!!!!!!!!!!! I initially had 6, but then I put three.</p>

8

<p>It was 12pi, correct?</p>

9

<p>Yea, because the segment was 12 in length</p>

<p>Circumeference = 2pi(r)</p>

<p>since it is linear, whatever way you split the segment into the radius of the circles will result in the same combined circumference (12pi)</p>

<p>12 = 10+2</p>

<p>(2pi2) / 2 + (10pi2) / 2 = 12 pi</p>

<p>12 = 6 + 6</p>

<p>(2pi6) / 2 + (2pi6) / 2 = 12 pi</p>

<p>=)</p>

10

<p>yeah i missed the 12pi one, but for the one where they asked you how many points are 4 units away from the origin, I put more then 4.. was that right? I always seem to miss the easy ones lol</p>

11

<p>I'm damn certain that is the answer because it did not specify integer answers. It should be infinitely many.</p>

12

<p>Dang! I put day 6 too! And I drew a graph like that and thought I got day 6? I guess I was being stupid and splitting the families at beginning and end instead of putting them all to one side expect the ones that can't overlap. O well. I got 9-sided and 12 pie right though.<br>
What was the answer to the one that had parallel lines with two more lines that formed a triangle, and like 7 angles labeled with variables. It asked whihc three must equal 180. I put B.</p>

13

<p>the triangle had angles n, k, p</p>

<p>p was interchangeable with another because of alternate interior angles or something so it was</p>

<p>n + k + r (I think)</p>

<p>p was the bottom right angle</p>

14

<p>oh wow, so far i haven't missed any from what u guys put, i also got 3 days, 9 sides, 12p, and more then 4. </p>

<p>about that question, i reasoned the same, that it didn't specify integers, so it must have been ifinitly many. </p>

<p>were there any other tricky ones? frankly i can't even remember the questions any more unless someone else posts them.</p>

15

<p>Sephiroth, do you remember which choice that was?</p>

16

<p>The really tricky one for me was the one about the workers' compensation. At first I gridded in 2000, but when I was going over my work I happened to do out the equation again and get 700. And then I was like "Oh em gee! It's a trap!" and quickly erased 2000 and put 700. That made me happy. =)</p>

<p>Drummerdude, I think the p, k, s answer was in the middle. I don't recall it being A or E and I think it was more towards the top, probably B or C.</p>

17

<p>wasn't it</p>

<p>2000 + 150(sales)</p>

<p>3000 + 100 (sales)</p>

<p>and you find the number of sales for them to get equal compensation or something.</p>

18

<p>No, that's why it was tricky. The question said during a specific week, they had the same amount of sales and received the same amount of compensation. They asked for the amount of compensation. I first did an equation to figure out the amount of sales (which was the same for both). I think it was something like this.</p>

<p>200 + .25x = 300 + .2x</p>

<p>You get 2000 from that, and so I gridded in 2000. It wasn't until later when I actually did 2000<em>.2 + 300 and 2000</em>.25 + 200 did I realize that I had gridded in the wrong thing.</p>

19

<p>Hmm, I slightly recall doing that.</p>

<p>I don't remember if I did it the correct or incorrect way though.</p>

20

<p>Some other questions that stumped me were the one with the graph of water depth?, I omitted that one. And there was one with the ratio of students in school b to school a, i kept getting the same ratio for 2 of them.</p>