Official December 10th ACT Math Discussion

<p>thats english and it was not unintentionally.</p>

<p>What was the arc length problem? I saw the answer but I forgot what the question asked exactly… Thanks :)</p>

<p>did it go like angle ABC is 90 degrees and you had to find one fourth of the circumference?</p>

<p>^ yes the answer was 8pi</p>

<p>90 should be the median answer because you could have 5 90’s in a row. You don’t know for sure. It ended up in the 80-90 bracket, si the highest possible median is 90.</p>

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<p>What was the answer to the question that said: a+b=54, a/b=7/11?</p>

<p>I put 54/77</p>

<p>Anyone have the LETTERS for log problem and garden?</p>

<p>it was 66/77 i think or somtin with a 6</p>

<p>I think that’s correct, you just had to make a/b proportional so that a+b=#. Then plug those numbers into a+b/AB and you should’ve gotten your answer. </p>

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<p>it wass like 6/77</p>

<p>^yeah thats right</p>

<p>is was d = b. if A = b and D = a then D = b. its transitive property I believe.</p>

<p>in context , i think it was b word = s word. not sure i remember though</p>

<p>I got 6/77 for something I think</p>

<p>bcuz a was 21 and b was 33 so 21 plus 33 divided by 21 multiplied by 33 is 6/77</p>

<p>Does anyone remember the letter answer for the meeps one? I guessed and put e… I know how to do the question now, I just blanked out during the test for some reason. :(</p>

<p>3(a/b) = 21/33. Verify that 21+33=54. ab = 693. 54/693 = 6/77. I think the equation was a+b/ab? Or am I wrong, bit yea that’s the gist of it.</p>

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<p>another way to solve congruent + perpendicular is to recognize the possible 45 45 90 triangle. the two sides going down to the x axis were equal and IF it was perpendicular then the triangle would be 45 45 90. the distance was 6root2 and the distance of the x-axis side corresponded with the pythagorean theorem.</p>

<p>by the way if anyone has princeton review 1296, did you guys notice like 5 of the same problems as test 2? hahahaha good think i took it yesterday.</p>

<p>how did u do infinite solutions on system of equations one?</p>

<p>Ahhhhhh nooooooooooo… for the copying machine one I put a straight line. I thought it meant that one of the graphs shown was the graph of one of the two copy machines. It lead me to believe that the graph of the straight line was the graph of the printer that did not break down. There goes my 36 ;(</p>