Science & Mathematics - 13 August 2007

2007-08-13 08:26:07 · 10 answers · asked by Diana K 1 in Mathematics

12. Write the first six terms of each of the sequences whose nth term is
(a) ( -3) n

(b) 3 – 4n

2007-08-13 08:23:39 · 6 answers · asked by Anonymous in Mathematics

I watched for about an hour and that was enough for me. I live in Central Oregon with no light pollution so the sky is incredible. I saw many good "burn ups" with alot of greenish ones. I only lasted an hour and went in. How about you did you pull an all nighter?

2007-08-13 08:17:53 · 6 answers · asked by Anonymous in Astronomy & Space

i need help with this one. The problem is indicate which of the following lines are parallel, perpendicular, or neither. Show your work and explain why you chose the answer that you did.
The equation is 3x + y = 5
x + y = 3

2007-08-13 08:16:35 · 7 answers · asked by Roger D 1 in Mathematics

2007-08-13 08:16:03 · 3 answers · asked by Scotty Doesnt Know 7 in Engineering

I could be holding my space helmet or something.

2007-08-13 08:13:41 · 13 answers · asked by Anonymous in Astronomy & Space

A small, cylindar shaped ship about 30 feet long just landed in my yard!
It just started flashing little blue lights!
What do I do? Should I try to talk to it? Should I call the fire department?
Help!!!!!

2007-08-13 08:11:27 · 15 answers · asked by Anonymous in Astronomy & Space

If t is, how can we prove?
Thank you

2007-08-13 08:09:41 · 1 answers · asked by Edson 1 in Mathematics

and moved really fast what was it ?

2007-08-13 08:08:11 · 2 answers · asked by ?Cheshire Cat? 3 in Zoology

A compound is composed of element x and hydrogen. Analysis shows the compound to be 80% x by mass, with three times as many hydrogen atoms as x atoms per molecule.
which element is element x
the answer is carbon but why????
please explain

2007-08-13 08:07:58 · 3 answers · asked by jazzchick 2 in Chemistry

Can a large amount of thrust be produced by a nuclear fusion Tokamak reactor or a magnetic mirror?
Since hydrogen is plentiful this would be the ideal fuel source. And since fusion generates a lot of energy, this would be ideal for propulsion.

2007-08-13 08:06:18 · 5 answers · asked by eoc1000 2 in Engineering

2007-08-13 08:05:57 · 9 answers · asked by Frits R 2 in Mathematics

Hugo’s checking account at the beginning of the month had a balance of $250. During the month he wrote five checks for $15, two checks for $12, and one check for $107. He made one deposit for $62. What is
his new balance?

2007-08-13 08:04:44 · 6 answers · asked by Chase L 1 in Mathematics

2007-08-13 08:02:32 · 10 answers · asked by nasiruddin59 1 in Geography

i know the perspective thing is hard to get past, but the edge of an ants universe is probably the top of trees or something like that.

2007-08-13 08:02:27 · 13 answers · asked by josh w 2 in Astronomy & Space

hours. what was his speed each way.

2007-08-13 08:01:51 · 5 answers · asked by sugar lady 1 in Mathematics

can a dendrobate (poison arrow frog) swim?

2007-08-13 08:01:28 · 2 answers · asked by ??77 2 in Zoology

2007-08-13 08:00:19 · 13 answers · asked by Anonymous in Astronomy & Space

Identify the whole number property illustrated in each of the following.
4 + (7 + 3) = 4 + (3 + 7)

5 • 1 = 1 • 5

5 • (5 • 6) = (5 • 5) • 6

4 • (5 + 6) = (4 • 5) + (4 • 6)

2007-08-13 07:59:08 · 3 answers · asked by Chase L 1 in Mathematics

Write the number preceding and succeeding each of the following.

(a) EET twelve ______________ ________________

(b) 10011 two ______________ ________________

If 2b six = 17 eight, what is the value of b? _______________

2007-08-13 07:55:51 · 1 answers · asked by Chris 1 in Mathematics

2007-08-13 07:55:35 · 4 answers · asked by danclary_92 2 in Zoology

2007-08-13 07:53:53 · 4 answers · asked by Anonymous in Astronomy & Space

You know, fire and water and such.
What about lightning/electricity??
Thanks in advance. :3

2007-08-13 07:52:18 · 8 answers · asked by Anonymous in Earth Sciences & Geology

2007-08-13 07:48:22 · 6 answers · asked by Mercedes 1 in Mathematics

and i don't want go to a different time zone. I'm talking the real deal.......................plus i know the answer. i just want to see if regular humans know it too.

2007-08-13 07:46:58 · 14 answers · asked by V 4 in Astronomy & Space

1. put the function in the form P=Poe^kt
P=132(0.2)^t
Po=?
k=?

2.find a solution to the equation if possible.
1=10cos(3x+1)-4

3.nikki invested 12000 in the stock market. it was a loser declining in value 10% eah year for 10 years.how much was the investment worth after 10 years?(exponential function)

after 10 years the stock began to gain value at 10% per year. how long will it take for the investment to regain original value?

4.a town connected to a water supply is billed a fixed amount yearly plus a charge fir each cubic foot of water used. a household using 1000 cubic feet was billed $80 and one using 1600 cubic feet was charged 115.

what is the charge per cubic foot?
write an equation for c, the total cost of a residents water as a fuction of w cubic feet of water used.
how many cubic feet of water used would lead to a bill of $160

5. P=15e^0.85

P=Po(a^t)
what are the values of Po and a?
does this function represent growth or decay?

please explain answers!

2007-08-13 07:43:36 · 1 answers · asked by Anonymous in Mathematics

Consider the following graph of y = f(x).


Without seeing the graph can someone solve this?????

A.) If h(x) = f(x) + 2, what would the new coordinates of P be after the shift? Give answer in (x, y) form.

B.) If k(x)=f(-x) , what would the new coordinates of P be after the reflection? Give answer in (x, y) form.

2007-08-13 07:42:28 · 3 answers · asked by Lennin V 1 in Mathematics

Are animals such as mules and other hybrid species given scientific names? Because in order for an animal to be considered a living thing it has to be able to reproduce but these crossbred animals are sterile. Are they given scientific names such as (canis familiaris)?

2007-08-13 07:42:05 · 3 answers · asked by Tha Godfatha 1 in Zoology

Round to 2 decimal places

2007-08-13 07:39:52 · 4 answers · asked by Anonymous in Mathematics

does the universe go on for ever and if so how far is that?
Or, is the universe like a bubble so if you go far enough in one direction you go right back round to where you began in which case what's outside the bubble?

2007-08-13 07:37:30 · 25 answers · asked by Anonymous in Astronomy & Space