Weekly math and science questions

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metamorphosis
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Weekly math and science questions

Post by metamorphosis »

legggo. :stylin:

Math questions

1. Find two conterminal angles of the angle -45 degrees.

2. ln(x+1)=0 solve for x.


show your work or explain how you get your answers. :P
Marques
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Re: Weekly math and science questions

Post by Marques »

1. Haven't done that stuff for about 6 years.
2. x = (e^0)-1 = 0

We come here to kill time sxb. Not number-crunch.
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metamorphosis
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Re: Weekly math and science questions

Post by metamorphosis »

2. is correct. bro life is boring without numbers. Try one again.
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Lancer
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Re: Weekly math and science questions

Post by Lancer »

1. 315 degrees,-405 degres
Add 360 or -360 degree

2.e^(ln(x+1))=e^0
x+1=e^0
x=(e^0)-1

edit: e^0=1 I was on my phone earlier so x=0
Last edited by Lancer on Thu Mar 12, 2015 7:37 pm, edited 4 times in total.
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metamorphosis
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Re: Weekly math and science questions

Post by metamorphosis »

lancer got it right for number 1.
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Re: Weekly math and science questions

Post by zulaika »

I really admire math geniuses.. I see them like superheroes.. this Romanian girl I went to high school with was such a math wiz, numbers fall to her like wahyi while they bounce off of my grasp... I don't think I could pass my math classes without her help :)
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metamorphosis
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Re: Weekly math and science questions

Post by metamorphosis »

You guys need to participate. geez!













1. You are told to invest at 6% SIMPLE interest in order to save a total of $11,000 in 7 years. How much do you have to invest today to make that happen?




2. You are told to create a password that contains two letters and 5 numbers( e.g EF26541), how many distinct passwords can you create if you can repeat both the letters and the numbers? Remember there are 26 letters and 10 numbers.
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