I made up my own quiz! - XP Math - Forums

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 12-14-2011 #1 Knights2 Guest   Posts: n/a I made up my own quiz! Try this there is 5 questions. 1.) If Jon wakes up 10 hours and 34 minutes before Bob and Bob wakes up at 12:01 P.M. then what time did Jon wake up at? 2.) Evaluate the expression: 5 * (30 - 15) + 999.9897162 - 5 3.) Evaluate the expression: 20 + 20 * 20 - 20 4.) Solve for x. 20 + x ^ 2 = 1,600 5.) Solve for y. 1,000,000,001 * y = 27,000,000,027 Good luck. No *****ing! - Knights2 Last edited by Knights2; 12-16-2011 at 08:25 PM..
12-19-2011   #2
zacmarz

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cool
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12-27-2011   #3
Jonathan W
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Quote:
 Originally Posted by Knights2 Try this there is 5 questions. 1.) If Jon wakes up 10 hours and 34 minutes before Bob and Bob wakes up at 12:01 P.M. then what time did Jon wake up at? 2.) Evaluate the expression: 5 * (30 - 15) + 999.9897162 - 5 3.) Evaluate the expression: 20 + 20 * 20 - 20 4.) Solve for x. 20 + x ^ 2 = 1,600 5.) Solve for y. 1,000,000,001 * y = 27,000,000,027 Good luck. No *****ing! - Knights2
1.) 12:01 P.M. - 10 hours = 2:01 A.M. 2:01 - 34 minutes = 1:27 A.M.

2.) 5 * (30 - 15) + 999.9897162 - 5

5 * 15 + 999.9897162 - 5
75 + 999.9897162 - 5
1074.9897162 - 5
1069.9897162

3.) 20 + 20 * 20 - 20

20 + 400 - 20
420 - 20
400

4.) Don't know.

5.) y = 27

Last edited by Jonathan W; 01-01-2012 at 10:54 PM..

12-27-2011   #4
orishorjo

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4) x=249,640
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Last edited by orishorjo; 12-27-2011 at 10:29 PM..

12-27-2011   #5
Jonathan W
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Quote:
 Originally Posted by orishorjo 4) x=249,640
That's wrong because:

20 + x ^ 2 = 1,600
20 + 249,640 ^ 2
20 + 62,320,129,600
82,320,129,600

I think you misread the question.

12-27-2011   #6
orishorjo

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Quote:
 Originally Posted by Jonathan W That's wrong because: 20 + x ^ 2 = 1,600 20 + 249,640 ^ 2 20 + 62,320,129,600 82,320,129,600 I think you misread the question.
No, that is not how u do it. U have to get the "X" by it's self fitst.
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 12-27-2011 #7 Jonathan W Guest   Posts: n/a Oh. I didn't learn how to do this yet. Sorry.
12-27-2011   #8
orishorjo

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It's all right u will learn that in 7th grade. But good job.
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 12-28-2011 #9 zarin Guest   Posts: n/a good job Jon
 12-28-2011 #10 Jonathan W Guest   Posts: n/a Thanks Zarin.

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