Science & Mathematics - 28 August 2007

2007-08-28 15:43:22 · 8 answers · asked by lol_chunky_monkey 1 in Physics

Please help me with these questions and please explain your answer

1. If g(x)=x^2 + 3x - 5 what is g(-2)?

2. Which of the following is a linear function? For those that are not identify the type of function they are.

A. g(x)= 2x^2- x+ 1
B. h(x)= Ix+1I
C. f(x)= 2x-5
D. g(x)= (-x^3) - 1
E. h(x)= squareroot of x-4

2007-08-28 15:41:48 · 5 answers · asked by Anonymous in Mathematics

I left my calculator at work.

2007-08-28 15:41:01 · 4 answers · asked by ska1248 1 in Mathematics

The closure axiom states you get a unique answer when you add two real numbers. What is meant by a unique answer?

2007-08-28 15:40:36 · 2 answers · asked by Anonymous in Earth Sciences & Geology

Scientists claim they can do it! The tenet of the Special Relativity theory by causing light to defy its own speed limit. There's a lot of technical data. Too much to put here.

2007-08-28 15:40:32 · 2 answers · asked by ZORRO 3 in Physics

A jar contains 35 coins consisting of dimes and quarters and having a total value of $4.40. How many of each kind of coin are there?

**i got 29 dimes and 6 quarters but i don't know how to show my work for it. how would i show my work to prove my answer if it is correct?

2007-08-28 15:38:08 · 6 answers · asked by j;lkj;lkj;lkj;lkj 2 in Mathematics

2007-08-28 15:38:06 · 5 answers · asked by Anonymous in Geography

2007-08-28 15:37:32 · 2 answers · asked by Boo Radley 4 in Mathematics

Since we track and discover UFO and unexplainable evidence of might you call it ghost, spirit, demon...
since we have tow choice of Evolution and creation to understand the world and where we and thing are com from, after all are we alone? or there is something else also? are we alone in universe?

2007-08-28 15:34:44 · 4 answers · asked by Aryan Zagros 2 in Astronomy & Space

2007-08-28 15:33:27 · 3 answers · asked by victoria 1 in Astronomy & Space

2007-08-28 15:30:29 · 3 answers · asked by 3x2000 1 in Engineering

2007-08-28 15:30:06 · 1 answers · asked by tiffymarie1 1 in Geography

My hypothesis is that if a person closes his window blinds to keep the summer heat out, then turns a light on so he can see, the room will end up hotter than if he had PARTIALLY closed the blinds and let the INDIRECT (not direct) sunlight in. The heat generated from indirect sunlight is miniscule to the point where it would make no appreciable difference in the room temperature if the blinds were completely closed or partially closed. (Think about all that intense heat generated by a full moon. It's the same principle.)

2007-08-28 15:29:07 · 6 answers · asked by The Oracle of Omigod 7 in Physics

2X^2 + 9X-35

8X^2 + 2X- 15

show work please

^2= squared, just incase.

2007-08-28 15:27:14 · 6 answers · asked by Anonymous in Mathematics

2007-08-28 15:26:22 · 11 answers · asked by angel 1 in Medicine

I've done this before, but I need a little refresher. Tonight.

I remember something about root vs. exponent, but not how it works.

Basically, I have (8x^3)^2/3

I hope that's clear.

2007-08-28 15:24:57 · 4 answers · asked by Chelsi 1 in Mathematics

2007-08-28 15:16:44 · 4 answers · asked by Eric D 1 in Engineering

2007-08-28 15:16:15 · 3 answers · asked by colada15 3 in Other - Science

An airplane travels 3100 km at a speed of 790 km/h, and then encounters a tailwind that boosts its speed to 990 km/h for the next 2800 km. What was the avg. speed of the plane for this trip?

2007-08-28 15:13:31 · 3 answers · asked by Anonymous in Physics

2007-08-28 15:13:03 · 4 answers · asked by booflouise 2 in Mathematics

please give a detailed repsonse. thank you.

2007-08-28 15:12:28 · 9 answers · asked by Anonymous in Mathematics

Thank you :)

2007-08-28 15:10:44 · 4 answers · asked by Anonymous in Mathematics

I don't know if these are still used, but the Kraffts used to use them. I have to know the answer for my science class--and NO, I am not cheating! *I* answered all of the other 20 questions by myself, and now I need to use my resources!
I think that the answer is because the asbestos suits are so protective, the volcanologists can't sense approaching lava or pyroclastic flow. Is this correct? If not, what's the real reason?
Thanks to everyone who answers! You guys are lifesavers, 'cuz I'm a doomed overachiever and I CANNOT miss a point on my first science assignment!
Thank you, thank you, thank you!!!

2007-08-28 15:09:13 · 2 answers · asked by Anonymous in Earth Sciences & Geology

like an apple a day keeps the doctor away

2007-08-28 15:08:15 · 5 answers · asked by mizz.princess 2 in Other - Science

like an apple a day keeps the doctor away

2007-08-28 15:06:40 · 3 answers · asked by mizz.princess 2 in Other - Science

its for a project

2007-08-28 15:04:43 · 5 answers · asked by Anonymous in Chemistry

2007-08-28 15:04:31 · 12 answers · asked by Ana S 1 in Chemistry

Heat Thermal Equilibrium Temperature Thermal Energy Kinetic Energy "Hot" what is the connection of those word and describe those connetions

2007-08-28 15:04:27 · 1 answers · asked by Anonymous in Engineering

i will be using hair as an organic fertilizer..... they say that i must keep the soil moist....... why?....

2007-08-28 15:01:34 · 2 answers · asked by sweet_candy 2 in Botany

scary thought. I don't want to be destroyed by robobots.

2007-08-28 15:01:00 · 7 answers · asked by Anonymous in Biology