simple pendelum question?
913283
T^2=4pi^2l/g\ng=4 pi^2l/T^2\n=4*(3.14)^2(1.5)/(180/27.3)^2\n=1.36 m/s^2
493708
the formula for the area of any regular shape is \n(pa)/2, so there is no multipling the base by 2 involved.\np=perimeter\na=apothem
306191
a) cube...final answer
684962
a)\nthe two actions are independent, so it doesnt make any difference, so\n\nthe answer is 3/10\n\nb) (3/10)x(2/9) + (7/10)x(3/9)\n\n(if it was red on the first draw), + (if it was white on the first draw)
464335
I normally hate referring people to wikipedia articles, since it is so often inaccurate, but this one is quite good (link is below).  If you scroll down, there is a table that gives just what you're looking for.\n\n2x2 grid: 288 possible solutions\n3x3 grid: 6.7*10^21 possible solutions!
23529
that is one of the answers, if the length of one side is 5. Use the Phytagorous theorem.
339198
2x0 = 0\nIt'll be the same as today... :P
924696
This isn't the final answer, but it is a clue:\n\nhttp://www.thesheetmetalshop.com/pdf_manual/Problem1.pdf
735406
Hint: the three side are equal long.\n\nTh
868234
P = 2W + 2L\nReplace W with 10 and L with 19\nP = 2(10) + 2(19)\nP = 20 + 38\nP = 58 in
263164
I won 10 points!\n\nThis is pretty easy. Try to stump me with harder ones.
1155200
What about Penticost?
158584
Try,\n\nhttp://www.personal.psu.edu/faculty/d/x/dxh40/MBLemma.pdf
309248
Simple answer.\n\n$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
902666
This may possibly be the easiest question anyone has ever asked on this forum. If you can't figure this out yourself, you really need to do more homework!! BTW, that is one freakin' tall sheep!!
279710
I did a search here's where I found the answer\nhttp://www.jcu.edu/math/isep/Quincunx/Quincunx.html
830486
..... ^\n... / .. &#92;\n.. / A1 &#92;\n../-------&#92;\n./ .. A2.. &#92;\n/______&#92;\n\nIs this what you mean (where A1/A2 = 1/φ; and φ = golden ratio = ½(1 + √5))?\n\nIt is my understanding.\n\nSo the two triangles are similar \n\nArea = ½ base * height\n\nA1 / A2 = 1/φ\nThus A1/ (A1 + A2) = 1/(1 + φ)\nie A1 /A = 1/(1 + φ)\n\nThus corresponding sides are in the ratio 1/√(1 + φ) \nNow √(1 + φ) = φ \n(since φ - 1 = 1/φ then φ² - φ = 1 so φ² = φ + 1)\nSo the top base = 1/φ * 8 inches ≈ 4.94 inches\nand the top side walls = 1/2 * 8/φ * tan 52°\n≈ 3.16 inches\nThus the bottom side walls are 8 - 1/2 * 8/φ * tan 52°≈ 4.84 inches