Mathematics - 16 July 2006

The Question is:
5z > -45
The Choices are:
A) z > -225
B) z > -9
C) z < 9
D) z < -9
If anyone can explain to me how to do this, it would be appreciated.

2006-07-16 10:43:42 · 20 answers · asked by Crystal 2

There is an exact value !!

2006-07-16 09:43:35 · 16 answers · asked by A Muslim 3

2006-07-16 09:35:50 · 33 answers · asked by Anonymous

x and y form a 90 degree angle and I want the answer to z in feet

2006-07-16 09:18:18 · 17 answers · asked by perryanne_99 1

I know the answer is x^2=-6y (or that is the given answer), but I need to know how they got it. Thanks.

PS, the vertex is 0,0. My professor didn't go over this at all and if I see one worked out I'm sure I can do the rest. TIA

2006-07-16 08:45:45 · 2 answers · asked by buttercup1137 2

2006-07-16 07:59:31 · 29 answers · asked by Anonymous

Determine whether this equation defines y as a function of x.

x^2+y=25

2006-07-16 07:20:23 · 6 answers · asked by lpfanz89 1

I have to find maximization of f(a)=20(a-1)^1/2-2a-20...and I don't have a clue how to do it. I tried to differentiate it but my answer is wrong.

2006-07-16 07:08:40 · 3 answers · asked by Anonymous

If we integrate a function without puting limits we get a function only, and if with limits we get a constant value. The in the 1st case arent we just changing the function?

2006-07-16 06:55:36 · 3 answers · asked by MAX 1

Also, is it abt 150 grams?

2006-07-16 06:52:09 · 7 answers · asked by Guggii 2

could anyone explain to me, in simple terms, what in $*%^ these terms mean? and what is the deal with everything boiling down to numbers (ala "The Matrix")? i am not dumb, but i sure as heck don't have a mind for math and i have never heard an explanation for these things that i could comprehend. no sarcastic (i.e. "because you're blonde") answers, please

2006-07-16 06:39:18 · 10 answers · asked by isaidno 2

Use the given conditions to write an equation for each line in point-slope form and slope-intercept form:

Passing through (1,-3) with x-intercept = -1.

2006-07-16 06:35:26 · 7 answers · asked by lpfanz89 1

2006-07-16 06:30:24 · 4 answers · asked by drbob1guru 1

wat are extreme values wen refering to box plots and scatter graphs. ??
Wat r statistics ??

2006-07-16 06:30:05 · 2 answers · asked by shine 1

I cannot find the correct two solutions for this equation. The first one I came up with was (0,3).

2006-07-16 06:24:38 · 9 answers · asked by sharleang 2

Let Mx(t)=e^t/6+e^2t/3+e^3t/2 be the moment generating function of X. Find the pdf of X.

2006-07-16 06:20:03 · 2 answers · asked by marcypark 1

2006-07-16 06:17:05 · 16 answers · asked by zoya_niknam 1

2006-07-16 05:41:15 · 26 answers · asked by DaClint 5

2006-07-16 05:37:22 · 13 answers · asked by edgar m 1

2006-07-16 05:05:20 · 17 answers · asked by Anonymous

2006-07-16 04:44:24 · 9 answers · asked by Olivia 4

I NEED ANSWERS
TWO GOODS TRAINS LEAVE A RAILWAY STATION AT THE SAME TIME. THE FIRST TRAIN TRAVELS DUE WEST AND THE SECOND DUE NORTH. THE FIRST TRAIN TRAVELS 5KM/HR FASTER THAN THE SECOND TRAIN. IF AFTER 2 HRS. THEY R 50KM APART FIND THE AVERAGE SPEED OF EACH TRAIN.

2. A PERSON SELLS 2 ARTICLES FOR RS.46 MAKING A PROFIT OF 10% ON ONE AND 20% ON THE OTHER. IF HE HAD SOLD EACH ARTICLE AT 15% PROFIT THE RESULT IS SAME. AT WHAT PRICE DOES HE SELL EACH ARTICLE?

THE ABOVE QUE ARE LINEAR EQUATIONS IN TWO VARIABLES.

TRIGONOMETRY QUESTIONS

3. FROM A WINDOW 'H' METRES HIGH ABOVE THE GROUND OF A HOUSE IN A STREET THE ANGLES OF ELEVATION AND DEPRESSION OF THE TOP AND THE FOOT OF ANOTHER HOUSE ON THE OPPOSITE SIDE OF THE STREET ARE 'DETA' AND 'FINI' RESPECTIVELY. SHOW THAT HEIGHT OF OPPOSITE HOUSE IS H{1+TAN DETA * COT FINI}

PLS NOTE THAT DETA AND FINI ARE ANGLES. PLS HELP

2006-07-16 04:42:48 · 9 answers · asked by Anonymous

2006-07-16 04:28:39 · 10 answers · asked by batman 1

2006-07-16 04:18:09 · 5 answers · asked by Olivia 4

using rectangular coordinates.

2006-07-16 03:26:46 · 13 answers · asked by fuhreezing 3

ABC entred in a business . they earned atotal profit of Rs 5850 . A received Rs1080 as the profit share similarly b and c received Rs 2520 and 2250 . investment of C was Rs 7500 . IF profit was shared in the ratio of their capital invetment , what was the investment of a and b?

2006-07-16 02:32:52 · 9 answers · asked by manshu 1

2006-07-16 02:14:35 · 15 answers · asked by Ankit S 1

2006-07-16 01:38:23 · 14 answers · asked by tsalieuten 1

2006-07-16 01:37:14 · 16 answers · asked by tsalieuten 1

2006-07-16 01:36:21 · 7 answers · asked by tsalieuten 1