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Started By
Message
SAT Question Everyone Got Wrong
Posted on 12/12/23 at 9:36 am
Posted on 12/12/23 at 9:36 am
15
Posted on 12/12/23 at 9:37 am to OlGrandad
Not even going to click. My LA public high school diploma says don't bother.
Posted on 12/12/23 at 9:38 am to OlGrandad
quote:
This SAT Math Question Got No Correct Submissions.
well that sounds unlikely
Posted on 12/12/23 at 9:40 am to OlGrandad
3?
It's all about circumference. If the smaller circle is 1/3 the circumference, then it would rotate 3 times. Just comparing circumferences of the circles.
Is this simple or am I way off???
It's all about circumference. If the smaller circle is 1/3 the circumference, then it would rotate 3 times. Just comparing circumferences of the circles.
Is this simple or am I way off???
This post was edited on 12/12/23 at 9:41 am
Posted on 12/12/23 at 9:42 am to OlGrandad
About 350
Posted on 12/12/23 at 9:43 am to WG_Dawg
quote:
well that sounds unlikely
Because the right answer wasn't one of the options. A 15 year old (and a few others) wrote the SAT test writers a letter telling them they were morons, so the SAT removed the question and changed everyone's scores. It cost hundreds of thousands of dollars to do so.
Posted on 12/12/23 at 9:49 am to StringedInstruments
quote:
Because the right answer wasn't one of the options
Ah.
Well I guess it does sound pretty likely then.
Posted on 12/12/23 at 9:55 am to i am dan
quote:
It's all about circumference. If the smaller circle is 1/3 the circumference, then it would rotate 3 times. Just comparing circumferences of the circles. Is this simple or am I way off???
The radius is half, so it would actually be 4 based on C=2piR. Each revolution of A, would go around 1/4 of B’s circumference. The problem is that 4 is not one of the options
Posted on 12/12/23 at 10:12 am to OlGrandad
The answer is 4 because the center of A is 4r away from the center of B.
Posted on 12/12/23 at 10:51 am to LNCHBOX
quote:
The answer is 4 because the center of A is 4r away from the center of B.
I got the same answer. The circle that point A travels is 8pi/3. The perimeter of circle A is 2pi/3. 8pi/3/2pi/3 = 4.
Posted on 12/12/23 at 10:54 am to LNCHBOX
quote:
The answer is 4 because the center of A is 4r away from the center of B.
Right. This reminds me of physics or dynamics problems with 2 different sized spheres
Posted on 12/12/23 at 11:13 am to OlGrandad
The right answer is don't post blind links to YouTube
Posted on 12/12/23 at 11:29 am to GumboPot
quote:
The circle that point A travels is 8pi/3. The perimeter of circle A is 2pi/3. 8pi/3/2pi/3 = 4.
Posted on 12/12/23 at 11:30 am to OlGrandad
288
Posted on 12/12/23 at 11:33 am to OlGrandad
Doesn't seem like everyone got it wrong, just that the SAT test makers got it wrong
Posted on 12/12/23 at 11:45 am to Corinthians420
wait i thought math was racist and was abolished!
Posted on 12/12/23 at 11:57 am to OlGrandad
Rotating that quarter around the other quarter freaked me out. Thought he proved we're in the matrix.
Posted on 12/12/23 at 12:13 pm to OlGrandad
quote:
SAT Question Everyone Got Wrong
common core math is just made up BS
if you have to change all the rules to make your answer right, then you have the wrong answer
Posted on 12/12/23 at 7:31 pm to OlGrandad
I really enjoyed this. I would’ve guessed 3 before watching the explanation. Thanks for sharing.
Posted on 12/12/23 at 8:08 pm to OlGrandad
I wipe my arse with SAT questions.
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