Science & Mathematics - 8 July 2007

1.If the ratio of the area of equilateral triangle A to the area of eq. triangle B is 100 to 25, then what is the ratio of their altitudes?

2. If the legs of an isos triangle are 13 inches long and the length of the altitude to the base is 12 in, what is the triangle's area?

3. A right triangle has an area of 100. If a segment is drawn though the midpoint of the triangle's legs, a new smaller triangle is formed. What is this triangle's area?

4.What is the altitude from the right angle of a triangle whose sides have lenghts 6, 8, 10?

5. The ratio of the lengths of the hypotenuse of 2 right triangles is 5 to 8. What is the ratio of the triangles' areas?

6. When 2 diagonals are drawn though a parallelogram, triangles are formed. If an area of one triangle is given, how can you find the area of a triangle adjacent to it?

7. How many right triangles have a hyp of lngth 10?

8. If a triangle has sides 6 and 8, what is the max area of this triangle?

2007-07-08 15:17:55 · 3 answers · asked by Anonymous in Mathematics

10 ⤊

what happens if a bran muffin gets sucked into a black hole?

does it help the black hole become more regular?

2007-07-08 15:16:47 · 7 answers · asked by Anonymous in Physics

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Perform the following complex number multiplication and write the answer in standard form:?

(3-i) (-6 + i)

2007-07-08 15:13:48 · 5 answers · asked by Anonymous in Mathematics

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John Nash vs. Steve Nash?

Who is the most brilliant? John Nash proved some topological embedding theorems and won a Nobel prize. On the other hand Steve Nash has two MVP's and has led the league in assists many fold. John had a movie about him where he goes crazy, but we have all seen some incredible behind the back passes from Steve - which are just Crazy.

2007-07-08 15:13:06 · 1 answers · asked by iliketohide 2 in Mathematics

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What is the integral of sinx^2 - cosx^2 ? Not sure where to begin.?

2007-07-08 15:12:34 · 2 answers · asked by ? 3 in Mathematics

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simplify to simplest form?

(x+5/4) divided by (x2+5x)

2007-07-08 15:10:28 · 1 answers · asked by Anonymous in Mathematics

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Does leaving the door open when you have the fan on cool the room faster?

2007-07-08 15:08:23 · 5 answers · asked by Grant 1 in Other - Science

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How do I write without exponents? 27^ 4/3?

27^ 4/3

2007-07-08 15:05:50 · 7 answers · asked by Anonymous in Mathematics

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why is the sky blue?

2007-07-08 14:58:50 · 15 answers · asked by Anonymous in Earth Sciences & Geology

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i need help with math?

27x+4=40x^2

2007-07-08 14:55:07 · 4 answers · asked by Anonymous in Mathematics

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Where do the few 32 yr old women with very high IQs find a compatible empathic guy? No snob responses, pls.

This is a hard age to find a compatible guy, and then I have heard the most compatible couples have IQs within 5 points of each other's.
So where are the really smart, in the, what, 0.005 or so percent of women in the the U.S. population, supposed to find a compatible guy?
Advice, please.
Please, no put-downs, this is a serious question, and if you can't offer anything constructive, please don't say anything at all! Thanks.

2007-07-08 14:45:22 · 7 answers · asked by Anonymous in Physics

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my question?

A stationary 0.2-g fly encounters the windshield of a 1200-kg automobile traveling at 110 km/h. (a) What is the magnitude of change in momentum of the car due to the fly? (b) What is the magnitude of change of momentum of the fly due to the car? (c) Approximately how many flies does it take to reduce the car's speed by 1 km/h?

2007-07-08 14:42:25 · 2 answers · asked by Sandesh R 1 in Physics