Mathematics - 28 June 2007

What is the increase in altitude that the bob travelled?

2007-06-28 15:10:47 · 3 answers · asked by Ase 2

an experimental car is found to have an efficiency of E(v),in miles per gallon of fuel,where v is the speed of the car.For a certain 4 hour trip, if v=v(t) is the speed of the car t hours after the trip started,what is the integral that represents the no. of gallons of fuel that the car used on the trip.

2007-06-28 15:10:20 · 2 answers · asked by meagainsttheworld_shakur 1

2007-06-28 15:09:53 · 11 answers · asked by Anonymous

2007-06-28 15:05:40 · 4 answers · asked by marie 1

2007-06-28 14:30:34 · 6 answers · asked by lindasalicea 1

2007-06-28 14:29:55 · 4 answers · asked by lindasalicea 1

2007-06-28 14:28:14 · 2 answers · asked by lindasalicea 1

Ok so I have to take the integral of this problem

(5) / square root of (2+4x)

(the square root is all of 2+4x)


any help would be appreciated! thanks

2007-06-28 14:24:25 · 6 answers · asked by bseballislife9 1

how many continous real valued functions f are there with domain [-1,1] such that (f(x))^2=x^2 for each x in [-1,1]

2007-06-28 14:23:47 · 2 answers · asked by meagainsttheworld_shakur 1

2007-06-28 14:14:52 · 6 answers · asked by beachlover 1

let d be the region in the xy plane in which the series {sigma (infinity,k=1) ((x+2y)^k)/k converges.then the interior of d is
1)an open disk
2)the open region bounded by an ellipse
3)the open bounded by a quadilateral
4)the open region between 2 parallel lines
5)an open half plane

2007-06-28 14:13:59 · 1 answers · asked by akash s 1

Can anyone help:

If i am told to evaluate a function for a given value of X and also determine the domain and range, how will i do so for the following:
f(x)=2; f(-4)
I don't get this problem, and if i graph this will the graph be liner or not?

Thank you very much in advance for any help.

2007-06-28 14:13:50 · 2 answers · asked by jumba 1

also -35x^2y = (-5xy)(____)?

2007-06-28 14:12:35 · 7 answers · asked by Anonymous

2007-06-28 14:07:06 · 5 answers · asked by Anonymous

2007-06-28 13:59:20 · 7 answers · asked by bonezx79 1

2007-06-28 13:58:22 · 4 answers · asked by Anonymous

2007-06-28 13:44:35 · 6 answers · asked by Anonymous

This may be a dumb question...
If we have a linear system Ax = 0, then wouldn't the nullspace of A always be {0} if there are no free variables in the system of equations?

2007-06-28 13:42:22 · 3 answers · asked by tzz1985 2

2007-06-28 13:42:13 · 3 answers · asked by Anonymous

Divide, rounding the quotient to the nearest tenth. The answer is 2.7 as is in the text book, but how do they come up with that?

2007-06-28 13:31:06 · 5 answers · asked by thecookfamily00 1

2007-06-28 13:31:06 · 7 answers · asked by jumba 1

2007-06-28 13:28:03 · 8 answers · asked by Anonymous

2007-06-28 13:21:04 · 5 answers · asked by Anonymous

2007-06-28 13:01:44 · 7 answers · asked by deannahndrsn 2

I found this combination lock in a drawer. It has numbers 0-39 and as like any other I'm sure it needs 3 numbers. How many possible combiations and is it possible to open this in a year?

2007-06-28 12:40:13 · 9 answers · asked by Game-Guy Pro 5

2007-06-28 12:34:41 · 10 answers · asked by beachlover 1

A jeweler has 5 rings, each weighting 18g, made of an alloy of 10% silver and 90% gold. He melts down the rings and wants to add enough silver to reduce the gold content to 75%. How much silver should he add.

The answer is 18 grams of silver i just need to figure out the equation how to get that answer.

2007-06-28 12:23:24 · 5 answers · asked by Girli3Dimpl3s 2

A large room has 5 windows and each window is either open or closed. How many different arrangements of open and close windows are there?

The answer is 32 but I have no clue why because I though it would be 10. Thanks!

2007-06-28 12:22:45 · 6 answers · asked by Icobes 2

2007-06-28 12:21:07 · 6 answers · asked by jack&me 2

2x^2+10x+11=0

2007-06-28 12:21:02 · 6 answers · asked by Somebody 2