Science & Mathematics - 8 October 2006

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If images are reversed in a mirror, why aren't we upside-down??

2006-10-08 11:44:44 · 11 answers · asked by Anonymous in Physics

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how do i plug in x,y values for (8-4xy-y^2-y)i - (4x+y)j + (4x^2 +5xy+x+y+y^2-6)k =0?

2006-10-08 11:41:40 · 4 answers · asked by Gum Yu Lo 1 in Mathematics

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What should the first step be in this math problem?

Hi Im having trouble figuring out how to get the answer 103/5 or 20.6 for this problem....

1/3(y+4)+5 = 1/4(3y -1) -2

I thought I had to multiply 12 all the way through...but maybe Im not doing that right? Please help me.

2006-10-08 11:41:30 · 5 answers · asked by charming_imogen 2 in Mathematics

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what is the most popular t shirt in the world?

2006-10-08 11:35:42 · 14 answers · asked by Gregor T 1 in Mathematics

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write a linear equation to model this situation?

You borrow $70 from your brother. To repay the loan, you pay him $7 per week. Use w to denote the number of weeks and y as the balance on the loan.

2006-10-08 11:34:53 · 4 answers · asked by Anonymous in Mathematics

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i'm currently a welder dreaming of being an engineer...where do i start?

2006-10-08 11:33:45 · 6 answers · asked by tpritch72 2 in Engineering

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What's the largest magic square that has been created?

I have seen an eight by eight magic square created by Benjamin Franklin. Has anyone seen or know of a larger one.

His was worked out in his head - I guess computers can create them now - but is there a limit to the size that a magic square can go up to?

2006-10-08 11:33:05 · 3 answers · asked by Stanleymonkey 2 in Mathematics

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Find an isosceles triangle that has the same area as its perimeter.?

Please help me figure this problem out...

2006-10-08 11:32:50 · 2 answers · asked by thebeautiful08 1 in Mathematics

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what is the hypothesis?

2006-10-08 11:29:09 · 5 answers · asked by cheryl d 1 in Other - Science

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A boulder falls from a cliff to the bottom of a canyon. If the mass of the boulder is 30000 kg,?

what is the force that the boulder has when it hits the ground? and what formula is used?

2006-10-08 11:29:07 · 6 answers · asked by Anonymous in Physics

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and how would you do a graph?

2006-10-08 11:28:22 · 1 answers · asked by cheryl d 1 in Other - Science

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Mitosis vs. Meiosis?

What cells does mitosis and meiosis occur. Is in both plant and animal cells, or one of the two?

Thanks in advance!

2006-10-08 11:27:38 · 3 answers · asked by Anonymous in Biology

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what happens when you put menthos in a diet soda?

2006-10-08 11:22:55 · 10 answers · asked by cheryl d 1 in Other - Science

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how do i find the derivative of f(x) = x^2 cos(x)?

f(x) = x^2 cos(x)

2006-10-08 11:22:04 · 5 answers · asked by iamthehandcuff 1 in Mathematics

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please give me logics against and for darwins theory of evolution.?

till now i was inclined towards darwin, but recently i have got some doubts about his theory of evolution.i am a neutral person. please give me some strong logics against and for his theory.or suggest some websites also.

2006-10-08 11:18:40 · 8 answers · asked by sufiesidhi 1 in Other - Science

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thesmallestunitofanelementcanexistaloneorincombination w/ atms of the same ordifferent elements is the?

the smallest units of an element that can exist alone or in combination with atoms of the same or different elements is the

2006-10-08 11:17:08 · 6 answers · asked by jimmy N 1 in Chemistry

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What is a 8 sided shape called?

Help!

2006-10-08 11:12:06 · 27 answers · asked by Hottie 1 in Mathematics

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how can a compound microscope be used just like an electrom microscope?

2006-10-08 11:09:30 · 3 answers · asked by littleshorttie 1 in Geography

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If I want to set the cross product of a and b to zero, what do I do next?

a x b = 0
what I have after the crossing is a bunch of numbers in i j and k like this.
(x^2+xy)i - (x+y)j + (x^2+y^2)k = 0
what do I do next to plug in values for x and y?

2006-10-08 11:06:01 · 3 answers · asked by Gum Yu Lo 1 in Mathematics

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What 2 whole #s, none w/ 0's, when X together = exactly 1000000000? do the same for 1000000000000000000?

2006-10-08 11:06:01 · 1 answers · asked by Anonymous in Mathematics

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How do you prove...?

If an object is moving on the surface of a sphere, its postion and velocity vectors must be perpendicular.

2006-10-08 11:04:58 · 2 answers · asked by Anonymous in Physics

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Which functional groups occur on the sugar glucose?

10 points to the first person to answer correctly

2006-10-08 11:04:16 · 3 answers · asked by tooqerq 6 in Biology

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How many people have had proof God exists?

2006-10-08 11:03:40 · 16 answers · asked by The Way 4 in Other - Science

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What is a thorny devil?

2006-10-08 11:00:17 · 10 answers · asked by Anonymous in Zoology

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Help with trigonometry problem? Explanation too please?

Tyler and Kelly decides to rollerskate. They come to a hill that is inclined at 8.5 degrees. Tyler pushes Kelly halfway up the hill and then holds her there. If Kelly weighs 58.0 lbs., find the magnitude of the force Tyler must push with to keep Kelly from rolling down the hill.

2006-10-08 10:58:16 · 3 answers · asked by boredX_x 2 in Mathematics

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