Science & Mathematics - 13 November 2007

2007-11-13 04:19:35 · 29 answers · asked by george j 1 in Zoology

I want this info to create food (CO2) in an aquarium with algae.

How many grams of CO2 are released?

2007-11-13 04:14:13 · 1 answers · asked by espiral 2 in Chemistry

http://i118.photobucket.com/albums/o117/Hannahrae2011/untitled-13.jpg

I dn't understand these at all

2007-11-13 04:08:20 · 1 answers · asked by Anonymous in Mathematics

I've posted my question in detail at Cramster.com:

http://answerboard.cramster.com/math-topic-5-140229-0.aspx

I got stuck about halfway through the proof. Any help is greatly appreciated. Thanks!

2007-11-13 04:07:24 · 2 answers · asked by PuzzledStudent 2 in Mathematics

A cyclist starts frm rest and freewheels down a hill inclined arcsin 1/20 to the horizontal . After traveling 80m the road becomes horizontal and the cyclist travels another 80m before coming to rest without using his brakes. Given that the combined mass of the cyclist and his machine is 80kg, model the cyclist and his machine as a single particle and hence find the resistive force, assumed constant throughtout the motion.

could you explain the steps please...thnxs...

2007-11-13 04:04:49 · 1 answers · asked by clueless 1 in Physics

2007-11-13 04:04:15 · 0 answers · asked by KEYNARDO 5 in Earth Sciences & Geology

These planets will be in my short stories.

1. Lynnaria
2. Paradicia
3. Divinity

2007-11-13 04:03:55 · 11 answers · asked by fantasywriter2025 4 in Astronomy & Space

2007-11-13 03:55:50 · 4 answers · asked by LongAgo 5 in Paranormal Phenomena

help?

2007-11-13 03:53:56 · 8 answers · asked by Lollypop --o 2 in Geography

help meeeeeeeeeeeeeeeeeeeeeeeeeeeeeee , and my fellow class mates ;]

2007-11-13 03:53:10 · 2 answers · asked by Lollypop --o 2 in Geography

Two balls, of masses Ma=0.036kg and Mb=0.06kg are suspended on 0.3m strings next to each other. The lighter ball is pulled away to a 60degree angle wiht the vertical and released. WHat is the velocity of the lighter ball before impact? What is the velocity of each ball after the elastic collision? What will be the maximum height of each ball(above the collision point) after the elastic collision?

2007-11-13 03:49:14 · 3 answers · asked by stormin 1 in Physics

I have always wondered if you can walk into the forest and run up on a wild cow. If not today, could you ever do this in the past? They had to come from somewhere, right? I've also wondered this about fruits and vegetables. Like, can you go into the woods and find wild squash, or wild cabbage, or a wild orange tree?

2007-11-13 03:48:32 · 9 answers · asked by RDog 2 in Zoology

2007-11-13 03:47:20 · 3 answers · asked by okrusoup 2 in Chemistry

2007-11-13 03:37:29 · 12 answers · asked by Anonymous in Other - Science

There are 3 parts to the question please help with as much as you can thanks!
a) Find the area that is inside r = 4sin feda and outside r = 2
b) Find the length of r = 4sin feda and when pie/4 < = Pie < = 3 pie /4 ( < = is smaller than and equal to ).
c) Find the line tangent to r = 4sin Feda at the point where Feda = Pie/6

2007-11-13 03:37:12 · 1 answers · asked by Anonymous in Mathematics

2007-11-13 03:33:29 · 6 answers · asked by Anonymous in Paranormal Phenomena

2007-11-13 03:28:32 · 2 answers · asked by janinenicole127 2 in Zoology

Sorry I'm doing homework, and confuzzled lol.

2007-11-13 03:28:32 · 4 answers · asked by Anonymous in Chemistry

its math..

2007-11-13 03:25:10 · 5 answers · asked by Anonymous in Mathematics

animal

2007-11-13 03:20:14 · 4 answers · asked by Anonymous in Paranormal Phenomena

do you think that there will be another shuttle disaster before the shuttles retires
i certainly hope not, but i was just wondering what other people thought

2007-11-13 03:14:14 · 4 answers · asked by kenneth 3 in Astronomy & Space

More than likely I have fallen way behind in my pre-cal class and I don't know what sin x or cos x is in terms of tan x. I read up everything in the book and nothing is addressed for tan x, so I guess the book doesn't tell you everything. I guess I have to actually go to a tutor for the first time in my life... sux.

2007-11-13 03:09:46 · 6 answers · asked by waznnathan 3 in Mathematics

Alright, I'm having some trouble figuring out these slopes...

My first question is, would 7x + 6(x + 5y) = 6x + y be linear? If so, how would I right it in standard form?

My second question is, what is the slope that passes through (-1, -1) and (10,9)?

2007-11-13 03:02:25 · 3 answers · asked by Anonymous in Mathematics

I need to know for work.

2007-11-13 03:02:08 · 1 answers · asked by Nick L 1 in Zoology

Consider the equilateral triangle with vertices at (-1,0),(1,0),(0,sqrt(3)).(This triangle has area sqrt(3).Describe the rectangle with largest area that can be inscribed in the equilateral triangle. What fraction of the triangle's area does this rectangle occupy?

2007-11-13 03:02:05 · 1 answers · asked by Matty B 3 in Mathematics

2007-11-13 03:01:27 · 6 answers · asked by Anonymous in Mathematics

12. Based on the results of your chromatography experiments, does the grey pigment appear to be under the control of the gene for shell color?
a. Yes
b. No

13.Recessive alleles are always expressed.
a. True
b. False

14. Red-shelled glyptodonts are always homozygous dominant for shell color.
a. True
b. False

15.What is the probability of two yellow-shelled glyptodonts having a red-shelled offspring?
a. 75%
b. 50%
c. 25%
d. 0%

16.In the electrophoresis exercise, the number of proteins detected in the samples from red-shelled glyptodonts was ________ the number detected in samples from yellow-shelled glyptodonts.

a. greater than
b. less than
c. equal to
d. much greater than

17.The size of proteins can be measured in terms of ________ daltons.

a. micro
b. milli
c. nano
d. kilo

2007-11-13 02:59:01 · 3 answers · asked by Anonymous in Biology

2007-11-13 02:58:12 · 8 answers · asked by gilliamichael 3 in Earth Sciences & Geology

6. In the electrophoresis exercise, the protein profiles (i.e., the number of proteins detected and their respective masses) of the red- and yellow-shelled glyptodonts were the same.
a. True
b. False

7.If two red-shelled glyptodonts have a yellow-shelled child,
a. both parents are homozygous with respect to shell color.
b. at least one parent has a recessive allele for shell color.
c. neither parent has a recessive allele for shell color.
d. each parent has a recessive allele for shell color.
I
8.In glyptodonts, shell color is an inherited trait.
a. True
b. False

9. When two yellow-shelled glyptodonts mate, their offspring will always have yellow shells.
a. True
b. False

10. In glyptodonts, shell color is under the control of ________ gene(s).
a. 1
b. 2
c. 3
d. 4
e. None of the above

11. In glyptodonts, the gene controlling shell color has ________ alleles.
a. 1
b. 2
c. 3

2007-11-13 02:53:32 · 2 answers · asked by Anonymous in Biology

2007-11-13 02:52:00 · 1 answers · asked by Anne 1 in Chemistry