A group of students played only two types of board games during recess. 1/3 of them played chess and 3/5 of them played scrabble. 1/8 of the students played both games and 23 students did not play any game at all. How many students were there?
8 mins ago
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Lilian gave 1/4 of her money to Simon. Then, Simon gave 1/5 of whatever he had to Lilian. Two hours later, Lilian decided to give 1/3 of whatever money he had to Simon. Finally, Lilian had 688 pesos and Simon had 872 pesos. How much did Simon have at first?
10 mins ago
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The function f(x) = |2x + q| is defined by
|2x + q| = 2x + 1 if f(x) ≥ p
-(2x + q) if f(x) < p
State the value of p, and find the values of q if f(-2) = 5.
55 mins ago
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I am trying to figure out a formula I can use to consistently find the midway point and 2/3 point between two times of the day.
For example if the start time is 09:14
and the end time is 18:34
how do I figure out the 2/3 of that without doing it manually.
And what about when it gets to 22:54 as the start time and the following 05:08 as the...
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5 hours ago
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So i m given a homework question about double integration and its legit just two integral signs with a given max and min followed by dxdy.
Does this mean I integrate with regards to "0"?
7 hours ago
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Is the subset a subspace?
S = { (x,y,z) : xy = 3 }
I say no because 0 * xy != 3
but I'm not sure. I find prooving if something is a subspace really confusing.
9 hours ago
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the task is to examine the perfect full court basketball shot (From the opposite free throw line).
- The angle of release must be greater than 45 degrees (In order to ensure ‘swish’ (not hitting the ring))
- The release height will be the height of the student calculating.
- The height of the ring will be 3.05m above the floor.
- The distance of...
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9 hours ago
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