Science & Mathematics - 6 December 2007

2007-12-06 19:04:00 · 4 answers · asked by cmissypooh02 2 in Mathematics

I thought there would be more crit numbers for this. Can
anyone help me get the right answer . Due tommorow


Find the Critical Numbers and find the max min.
Then find the second derivative

y = x+cosx



i got the first deriv as 1 - sinx or something

2007-12-06 19:03:29 · 3 answers · asked by brobo8 1 in Mathematics

2007-12-06 19:02:54 · 4 answers · asked by cmissypooh02 2 in Mathematics

2007-12-06 19:00:55 · 3 answers · asked by cmissypooh02 2 in Mathematics

2007-12-06 18:56:48 · 6 answers · asked by ladypink 2 in Earth Sciences & Geology

ESL, people... thanks! get free 10 points IF i think you're correct or something!

2007-12-06 18:48:23 · 4 answers · asked by Anonymous in Mathematics

What's the highest dosage of acetaminophen in mg's you can take in one dosage without having any problems? ie overdosing or liver damage?

2007-12-06 18:48:10 · 7 answers · asked by tsolworldwar3 2 in Medicine

The problem asks us to do the following:

Find the exact error in approximating ln[sec(0.2)] by its fourth degree Taylor polynomial at a = 0

Please show how to do this problem step-by-step.

2007-12-06 18:47:42 · 2 answers · asked by Ryan_1770 1 in Mathematics

I need help on a problem for my College Algebra class.

An earthquake was recorded which was 19,953 time more powerful than a reference level zero earthquake. What is the magnitude of this earthquake on the Richter scale? Intensity in the Richter scale is log (I/Io). ( the base is 10)

I know how to do logs but I do not understand the equation. What is I and what is Io.

Thank You!

2007-12-06 18:39:25 · 2 answers · asked by mb55113 2 in Earth Sciences & Geology

2007-12-06 18:36:06 · 6 answers · asked by mon 1 in Earth Sciences & Geology

Europa, a satellite of Jupiter, appears to have an ocean beneath its icy surface. Proposals have been made to send a robotic submarine to Europa to see if there might be life there. There is no atmosphere on Europa, and we shall assume that the surface ice is thin enough that we can neglect its weight and that the oceans are fresh water having the same density as on the earth. The mass and diameter of Europa have been measured to be 4.78×1022 kg and 3130 km, respectively.

If the submarine intends to submerge to a depth of 110 m, what pressure must it be designed to withstand?

If you wanted to test this submarine before sending it to Europa, how deep would it have to go in our oceans to experience the same pressure as the pressure at a depth of 110 m on Europa?

2007-12-06 18:31:03 · 1 answers · asked by ! 2 in Physics

i am studying for a final (about waves)
and i don't understand the concept of echo.
for example the question would be:
f you yell or clap your hands while standing at the edge of a large rock canyon, you may hear an echo a few minutes kater. Explain why this happens.
*and i would have no clue what to write for the answer

2007-12-06 18:25:36 · 1 answers · asked by smoothie 2 in Earth Sciences & Geology

What would be you rank, department, and position?
What vessel would you serve on?

2007-12-06 18:22:59 · 5 answers · asked by christiantrekkie 4 in Astronomy & Space

?? and why so?

2007-12-06 18:21:38 · 14 answers · asked by cucumis_sativus 5 in Zoology

The solubility of PVAOH in other chemicals except water, it may be in any organic and inorganic compound. plz answer

2007-12-06 18:21:11 · 1 answers · asked by basit k 1 in Chemistry

2007-12-06 18:17:13 · 7 answers · asked by joeyadler2266 1 in Weather

For physics we are doing a project and I need help with finding a way to either stop the bowling ball before it impacts the egg, redirect th bowling ball away from the egg, or make a contraption to push the egg out of the bowling balls way. We are only given these materials:
-150 toothpicks
-6 long skewer sticks
-5 sets of chopsticks
-10 glue sticks
-1 manila folder
Here are the requirments:
a. With the exception of saran wrap the egg doesn't have anything else touching it.
b. As far as the egg goes: no leakage
c: Only materials given can be used
d. Wherever the egg is located the bowling ball must be directly over it
Some important information is that the bowling ball is 14 lbs and will be lifted two meters directly above the egg.

So how do you keep it from leaking??

2007-12-06 18:16:49 · 6 answers · asked by Anonymous in Physics

I have a question that reads: "A pilot wishes to maintain a ground speed of 425 mph and fly at a bearing of 155 degrees. The wind is blowing at 30 mph on a bearing of 45 degrees. Find the airspeed and bearing that the pilot should choose"

I made a vector diagram and using the law of cosines I foudn the magnitude to be 446.72 mph and the bearing to be 152.28 degrees.

If anyone could take a look at this problem and see if I've done this right I would really appreciate it!

2007-12-06 18:11:59 · 3 answers · asked by No Doubt 1 in Mathematics

please help

2007-12-06 18:08:34 · 4 answers · asked by m.kayleigh 2 in Mathematics

ok, i bought the diamond and the unmounted ring seperately, so i wanna know how much do i have to pay a professional to have it put together into one complete ring?

2007-12-06 18:08:10 · 3 answers · asked by Momo 2 in Earth Sciences & Geology

A couple of questions:

1. The Earth is a perfect example of an undifferentiated planetary body.
2. The Van Allen belts are long parallel trenches in the Atlantic between
the North American and Eurasian plates.
3. Free oxygen was not present in the early terrestrial atmosphere, but
became plentiful only after plant life formed.
4. The first step in the formation of the solar system was the collapse of a rotating interstellar cloud.
5. Neptune’s rings are composed of many small particles.
6. The visible surface of Neptune is covered with water ice.
7. The Roche limit is the maximum size a planet may be without being a star.
8. The atmosphere on Mars is more dense than the Earth’s but less dense than the Venereal atmosphere.

2007-12-06 18:06:43 · 3 answers · asked by EV.JUNE 2 in Astronomy & Space

A 4.10 kg silver ingot is taken from a furnace, where its temperature is 747degrees C, and placed on a very large block of ice at 0.00 degrees C. Assuming that all the heat given up by the silver is used to melt the ice and that not all the ice melts, how much ice is melted?

2007-12-06 18:02:56 · 4 answers · asked by ! 2 in Physics

Find all points of intersection of the ellipses x^2/a^2+y^2/b^2=1 and x^2/b^2+y^2/a^2=1 where a>b.

2007-12-06 18:02:00 · 2 answers · asked by flipboi4you 1 in Mathematics

How would you answer the questions on this page? (What do you think the answers are? i already finished this, but idk if my answers are correct.)



http://pomounties.schoolwires.com/5683582104748/lib/5683582104748/_files/13-2_rnr.pdf

2007-12-06 17:51:22 · 2 answers · asked by Invader Kor 2 in Astronomy & Space

Same question with sodium methoxide. Please explain your answers. Thanks.

2007-12-06 17:51:02 · 2 answers · asked by James 1 in Chemistry

a. sp
b. sp2
c. sp3
d. sp3d
e.sp3d2

2007-12-06 17:46:50 · 2 answers · asked by Anonymous in Chemistry

2007-12-06 17:46:06 · 3 answers · asked by musa 1 in Paranormal Phenomena

2007-12-06 17:43:44 · 2 answers · asked by phoebe 1 in Chemistry

2007-12-06 17:40:18 · 1 answers · asked by Jashan M 1 in Chemistry

How do you solve a molecular formula? Can someone describe how to do it and do the first problem for me while explaining the steps as you go along?
Thanks.

A compund has the following percentage composition: 26.7% Carbon: 2.2% hydrogen; 71.1% oxygen. The molecular weight of this compound is 90. What is the compound's true formula?

2007-12-06 17:35:42 · 2 answers · asked by Marah 5 in Chemistry