Mathematics - 5 December 2007

Directions: Convert each rate using dimensional analysis.

5.7 gal/h = ____ c/min


Please explain!! (test soon)

2007-12-05 09:25:13 · 7 answers · asked by softballchick81694 1

2007-12-05 09:20:02 · 2 answers · asked by Anonymous

if sqrt6 is irrational then sqrt3+sqrt2 is also irrational prove it.. another is by using law of arthmetic prove that asqr+bsqr+csqr=< (a.b+a.c+b.c+a.c)...thanks

2007-12-05 09:13:12 · 3 answers · asked by shabani k 1

I need to prove the diagonals of an isosceles trapezoid congruent using ONLY the definition.

Def.=a quadrilateral with the two bases parallel and the two legs congruent

I CANNOT use any properties of an isosceles trapezoid. I CANNOT use the base angles congruent.

I don't want the answer, just some help on where to start. Thanks!

2007-12-05 09:12:29 · 2 answers · asked by ... 1

3x^2 - 11 x + 10


The answer is 3x-5, but most show all steps..

2007-12-05 09:10:48 · 3 answers · asked by da_mexican_05@sbcglobal.net 1

all i am given is a chart of x and y values
x .3 .6 .9 1.2 1.5 1.8 2.1
y 7.3 8.2 9.8 12.3 10.2 8.7 6.5
PLEASE HELP

2007-12-05 09:04:57 · 1 answers · asked by sam h 1

m/3 + 2m/3

2007-12-05 08:45:32 · 9 answers · asked by Anonymous

Algebra division of Polynomials. Need Help Please.

2007-12-05 08:45:25 · 2 answers · asked by tianna_85902 1

2007-12-05 08:43:56 · 2 answers · asked by Anonymous

2007-12-05 08:40:45 · 2 answers · asked by Nick 4

what is -7<3-2x<13

2007-12-05 08:38:16 · 3 answers · asked by Brittney M 1

2007-12-05 08:38:03 · 3 answers · asked by Panther 3

because it is an improper fraction

2007-12-05 08:32:39 · 25 answers · asked by chey m 1

11 + 8p = 9p

-11
8
-6
11

The value of 8 dimes is 10 8 = 80 cents. Likewise, the value of x dimes is 10x. If George finds nickels, 3x dimes, and x quarters in his change jar, express the total value of change in cents as an algebraic expression.

(60x - 10) cents
(85x - 2) cents
(85x + 10) cents
(85x - 10) cents

6(x + 5) - (6x + 30) = 0

0
5
all real numbers
no solution

Identify the numerical coefficient of the term.
zy2

1
0
z
-1

2007-12-05 08:31:54 · 7 answers · asked by Anonymous

2007-12-05 08:25:17 · 5 answers · asked by Anonymous

The weight of a fish, y(t), satisfies the equation:

dy/dx + y = 3y^(2/3)

If the initial weight y(0) = 0, find its weight at any subsequent time.

Thank you so much if you can help :)

2007-12-05 08:15:19 · 1 answers · asked by Hayley* 3

I know the answer is 2,4. But I need steps. I never expect any guesses. show me the steps plz.

2007-12-05 08:14:24 · 10 answers · asked by Hari 2

Like if I told you what's 27 * 37 and gave you 2 minutes can you do it without pencil & paper?

2007-12-05 08:12:14 · 8 answers · asked by Adel 6

Find dz/dy if z= (e^y + 1)/ (y+1)

2007-12-05 08:11:44 · 6 answers · asked by Anonymous

Thanks :D

2007-12-05 08:08:14 · 9 answers · asked by WHAT THE HELL 4

Amanda composed two songs. The longer song is 126 seconds less than twice the length of the short song. The longer song lasts 286 seconds. How long is the shorter song?

2007-12-05 08:05:49 · 5 answers · asked by kimchee_boi 3

Factor out the GCF(Greatest Common Factor) from the given polynomial 12c^2d^5 + 15c^8d^4 (^# means to the power) so its 12c(little 2)d(little5) + 15c(little 8)d(little4) sorry kinda confusing without being able to type the problem normally lol

2007-12-05 08:03:12 · 2 answers · asked by Chuck D 1

I think its 2n squared but i need help becuase im not sure ( exmplain clearly if you could please)

2007-12-05 07:59:51 · 3 answers · asked by Anonymous

2007-12-05 07:54:52 · 8 answers · asked by Anonymous

2007-12-05 07:51:36 · 2 answers · asked by hottiechck7 1

(1) 8 - 4 + 2 - ...

(2) 1+ 1.5 + 2.25 + ...

2007-12-05 07:48:54 · 3 answers · asked by Anonymous

i am a high school student, top of my class in maths...atm we are doing trig and so on but i would be interested in learning the methods for or how to do calculus...e.g what notation do i need to learn...any helpful sites or just anything to help advice...theorems would be appreciated

2007-12-05 07:47:46 · 1 answers · asked by Dovey...x 3

Find h'(y) if h(y)=tan(e^(3y))


Ok, so i used the product rule, but i'm not sure if i'm suppose to..

This is what i got
f= tan(e^3y) g=e^3y

so i got
3e^3y*tan(e^3y) + sec^2(e^3y) * e^3y


is it correct?? if not, can u show me how please?

2007-12-05 07:43:19 · 3 answers · asked by Anonymous

1) tan4x - tan2x = 0 Answer: 0, pi/2, pi

2) √3cosx - sinx = 0 Answer: -4pi/3, -pi/3

I don't know how to simplify these. I ended up with tan4x = tan2x for the first question, which didn't make much sense to me.

2007-12-05 07:43:02 · 2 answers · asked by Dave H 2

1. dy/dx=______
y=(2x–1)^8 –x + e

So i've tried everything, but for some reason i keep getting the wrong answer :( can u help?

2007-12-05 07:40:30 · 4 answers · asked by Anonymous