Science & Mathematics - 4 September 2007

2007-09-04 02:07:32 · 3 answers · asked by rhez 1 in Chemistry

y=f(x) is a linear function that gives the cost (in dollars) of having x square feet of a certain type of carpet installed in your home. 300 square feet cost $650 while 500 square feet cost $950.

Find a formula for y= f(x)

2007-09-04 02:06:48 · 3 answers · asked by Ask or Answer 2 in Mathematics

to subtract fr.whole no,rename the whole no. to fraction or mixed no.The fraction should be similar to the other fraction......my problem is i dont know how to rename the whole number to make it similar to the other fraction.pllssss kindly xplain.tnx

2007-09-04 02:05:46 · 10 answers · asked by katkat 1 in Mathematics

Please answer me !!! ASAP !!!?
What are the uses of these minerals?

Garnet
Talc
Corundum
Topaz
Pyrite
Magnenite
Graphite
Chalcopyrite
Hemalite
Quartz
Halite
Muscovite
Biotite
Gypsum
Calcite
Fluorite
Orthoclase
Apatite
Azurite

Thanks ! Hope you can answer my question well .

2007-09-04 02:03:52 · 5 answers · asked by Anonymous in Earth Sciences & Geology

Find the remainder if P(x) = x^10 - 3 is divided by x^2-1

2007-09-04 02:00:56 · 4 answers · asked by malek_89 3 in Mathematics

what is the limit as x approaches 0 from the left for f(x) = (x^2 - 2/x) ?

2007-09-04 01:58:54 · 1 answers · asked by Daniel B 1 in Mathematics

What is the function of sodium chloride in this experiment?

2007-09-04 01:56:25 · 4 answers · asked by jack_hock2003 1 in Chemistry

i need it for a bet with a friend. i chose JUNGLE over desert. thanks

2007-09-04 01:54:45 · 11 answers · asked by Adrian B 1 in Zoology

Calculate the percentage of nitrogen in 1 mole of the above fertilizers.
[ Relative atomic mass: H, 1; C,12; N,14; O, 16; P, 31; S, 32 ]

Which of the above fertilizer is the most suitable for the growth of plants? Explain your answer.

2007-09-04 01:54:03 · 4 answers · asked by jack_hock2003 1 in Chemistry

2007-09-04 01:49:13 · 12 answers · asked by Anonymous in Astronomy & Space

so hard please help and dont say the teatcher

2007-09-04 01:49:04 · 3 answers · asked by born to shop 2 in Other - Science

Name three examples of synthetic fertilizers which are used in agriculture.

2007-09-04 01:48:11 · 4 answers · asked by jack_hock2003 1 in Chemistry

Besides fertilizers, ammonium sulphate is also used as an agriculture spray adjuvant for water soluble pesticides. Explain the function of ammonium sulphate in this area.

2007-09-04 01:46:58 · 3 answers · asked by jack_hock2003 1 in Chemistry

2007-09-04 01:45:14 · 14 answers · asked by beast 1 in Mathematics

. Find the zeros of the function f(x) = x + 3 - 5to the sqrt of x + 3 - ( 4)

2. Find k if f(x) = x^2 +2x + k doesn't intersect the x -axis

tanks and godbless

2007-09-04 01:36:37 · 3 answers · asked by xah8 1 in Mathematics

why is it that all the sodium hydroxide reacts first followed by the sodium carbonate? is it because the dissociation of sodium hydroxide blocks the dissociation of the weaker base, sodium carbonate, due to common ion effect, sodium ions being the common ion?

2007-09-04 01:32:46 · 2 answers · asked by badegg_11sg 2 in Chemistry

2007-09-04 01:30:39 · 26 answers · asked by Smoochy Poochy 6 in Zoology

What are the uses of these element?

Garnet
Tale
Corundum
Topeaz
Pyrite
Magnenite
Graphite
Chalcopyrite
Hemalite
Quartz
Halite
Muscovite
Biotite
Gypsum
Calcite
Fluorite
Orthoclase
Apatite
Azurite

Thanks ! Hope you can answer my question well .

2007-09-04 01:28:51 · 5 answers · asked by Anonymous in Earth Sciences & Geology

x + y + z = 100
x - z = 45
2z^2 + 40 = 90

2007-09-04 01:27:47 · 11 answers · asked by Axis Flip 3 in Mathematics

If you calculate correctly.
bonikingv

2007-09-04 01:23:36 · 6 answers · asked by Anonymous in Mathematics

Mr. Wahman loves to eat ice cream. He especially loves waffle cones, but he can
never get the ice cream shop to make them the way he likes them. He wants cones
which hold as much ice cream as possible, but without ice cream sticking over
the edge of the cone (too messy). He decides to design his own waffle cones. His
waffle iron makes circular waffles, which he can twist into a cone by first
making one cut along a radius. He needs to know what size cone to make.
What are the dimensions of the cone that holds the most ice cream (level to the top)?

2007-09-04 01:23:06 · 4 answers · asked by north h 3 in Mathematics

CHOICES
a. air resistance
b. its own speed
c. gravity
d. speed of the wind

If you have an answer please give the reason!!
thanks!!!

2007-09-04 01:19:52 · 7 answers · asked by Anonymous in Physics

Could someone explain & help me with arranging polynomials in a descending order?

1. -2x - x^9 + 14^7 - 3x^3
2. 8m^2n^2 - 4m^3n - 4mn^3
3. 5a^3b^ - 5a^5 - 10a^4b

Does it depend on total number of exponent, numerical coefficient and/or alphabetical arrangement?

Please & thank you!

2007-09-04 01:16:08 · 2 answers · asked by Mahiwagang Saging 3 in Mathematics

I'm thinking of a Lunar Lido, not an indoor pool...

2007-09-04 01:15:12 · 25 answers · asked by Anonymous in Astronomy & Space

2007-09-04 01:14:43 · 13 answers · asked by Anonymous in Physics

What is the energy conversion that occurs when alpha, beta particles and gamma rays are emitted?
Is it true that alpha and beta particles possess kinetic energy while the gamma rays don't?
It would be very helpful if you could help me with this.

2007-09-04 01:06:55 · 1 answers · asked by Anonymous in Physics

of the beam. A string is attached to the mid-point of the beam and to the wall at a point B on the wall (B is metres about A) so that the string is horizontal.

How do I calculate the tension in the string?

2007-09-04 01:05:33 · 4 answers · asked by Anonymous in Physics

u = 2i

modulus of w = 1
argument of w = 2pi / 3

/ means divide

Find in the form of x+iy, where x & y are real the complex numbers;

1. w

2. uw

3. u / w

i know that u can't make any drawings but plz just put the calculations

thanks a lot in advance

2007-09-04 01:02:40 · 1 answers · asked by Mystic healer 4 in Mathematics

Why do spacecraft have to reach escape velocity to get into space when leaving earth? Some miltary aircraft can fly close to the edge of space without approaching anything near escape velocity - could they not fly just a bit hgher and actually go into space?

2007-09-04 00:59:46 · 20 answers · asked by ollydurrant 1 in Astronomy & Space

2007-09-04 00:56:22 · 7 answers · asked by roberto a 2 in Engineering