Science & Mathematics - 12 September 2007

A closed box with a square base is required to have a volume of 50 cubic feet. Express the amount A of material used to make such a box as a function of the length x of a side of the square base.

2007-09-12 14:07:41 · 1 answers · asked by sn1per0nther00f 3 in Mathematics

2007-09-12 14:07:40 · 2 answers · asked by wwwwwwweeeeee 2 in Mathematics

List the probabilities for the eleven possible outcomes for throwing a pair of dice. Check is they add up to 1.

2007-09-12 14:06:38 · 6 answers · asked by Astalav 1 in Mathematics

2007-09-12 14:06:20 · 8 answers · asked by Anonymous in Weather

2007-09-12 14:03:01 · 4 answers · asked by Anonymous in Biology

Which is larger???

2007-09-12 14:01:47 · 2 answers · asked by Anonymous in Mathematics

I need an expanation of a unknown percent if figures consists of two regions and you know the percent represented by one region?

2007-09-12 14:01:09 · 2 answers · asked by MJ 1 in Mathematics

and how much do they cost???!?!? thank for answering this!!!

2007-09-12 14:00:06 · 7 answers · asked by skter56 2 in Zoology

:)

2007-09-12 13:58:40 · 1 answers · asked by Anonymous in Biology

I Dont need the answer i just need to know the steps
Far East Fashions buys fabric in rolls containing 171 yards each. For men's suits, pants require 2 3/4 yards of material, vests require 7/8 of a yard, and jackets takes 3 1/2 yards.
A)how many yards of material are require for each complete suit?
B)How many suits can be made from each roll?
C)if each roll of 100% wool material costs $1,800, what is the cost of material per suit?
D)if the company adds labor and overhead charges of $290 per suit, and profit of $100 per suit, how much should they charge for each suit?

2007-09-12 13:55:56 · 2 answers · asked by Anonymous in Mathematics

A particle moving along the x axis is located at 14.9m at 1.45s and 4.02m at 2.9s. What is the displacement during this time interval? What is the average velocity during this period? What would the average speed be?
Thanks in advance

2007-09-12 13:55:42 · 3 answers · asked by Anonymous in Physics

i have this base
.............N(:)H
..............||
H2N(:) -C-N(:)H2 + H+

which site is more basic when you add H+, explain your choice using resonance structure

note (:) is one lone pair on N

2007-09-12 13:54:40 · 2 answers · asked by jennifer 2 in Chemistry

Drug manufacturers must follow federal guidelines maintained by the
a. USP
b. PSD
c. NDC
d. FDA
e. DEA

The best way to discard expired medicines is to flush them down the toilet.
True
False


The label expiration date can be greatly affected by the
a. manufacturer
b. shipper
c. pharmacist
d. patient
e. storage requirements

Which of the following is the correct documentation for the medication order?
Flagyl five hundred milligram tablets; number fourteen; one tablet twice a day with meals for seven days
a. Flagyl 500 mg # 14 tab i tid meals � 7 days
b. Flagyl 500 mg # 14 tab i bid meals � 7days
c. Flagyl 500 mg # 14 tab i daily with breakfast � 7 days
d. Flagyl 500 mg # 14 tab i qid meals � 7 days

Interpret the following prescription.
Digitoxin 0.25 mg Sig: tab i qd pc breakfast if pulse is above 60
a. Digitoxin 0.25 mg. Take one tablet after breakfast

2007-09-12 13:51:38 · 3 answers · asked by Anonymous in Medicine

Why is this more efficient than most other simple methods? Why is the pointer significant in the coding of one of them? Thanks

2007-09-12 13:50:54 · 1 answers · asked by Galbadian 2 in Engineering

How long could a person spin around in circles in a chair? and if spinning counter clock-wise, how long would it be before they felt the effects of traveling back through time? and how much spinning would it take before the spinner inevitably died?

2007-09-12 13:49:05 · 2 answers · asked by bette2705 1 in Physics

Calicium has thee different isoptopes. 1 has a mass of 35.00 amu, another has a mass of 41.00 amu: and another has amass of 40.00 amu. what isotope is the most abundant of the three?

my answer = mass of 40.00 amu?

2007-09-12 13:48:04 · 2 answers · asked by nothinbutnet2009 4 in Chemistry

heterogeneous compound, heterogeneous mixture, homogeneous mixture, or a homogeneous compound, and why?
Thanks in advance.

2007-09-12 13:46:45 · 3 answers · asked by Anonymous in Chemistry

So there is this problem that says: "Write an equation to model each equation."

then....

1. the total cost is the number of cans times $.70.
2. the perimeter of a square equals 4 times the length of a side.
3. The total legnth of rope, in feet, used to put up tents is 60 times the number of tents.
4. What is the number of slices of pizza left from an 8-slice pizza after you have eaten some slices??

please help and explain(:
Best answer earns 10 pointss(:

2007-09-12 13:45:56 · 6 answers · asked by Amandaaa(: 2 in Mathematics

Let f(x) = (6/(x-7))-(84/((x^2)-49))

Calculate lim f(x) as x-->7 by first finding a continuous function which is equal to f everywhere except x =7.

lim f(x) as ->7 = _____

Thank you in advance!

2007-09-12 13:45:51 · 2 answers · asked by MA35 3 in Mathematics

(a) What is this speed in kilometers per hour?
km/h
(b) What is this speed in meters per second?
m/s

2007-09-12 13:45:07 · 2 answers · asked by Jonathan P 1 in Physics

1. √(4x+1)=5-x

2. 2x^-4 – 5x^-2 + 2 = 0

3. 3x^2/-3 + 2x^1/-3 - 8 = 0

2007-09-12 13:44:47 · 1 answers · asked by beeboroachgoingon197 1 in Mathematics

Choose from (i) one-many, (ii) many-one, (iii) many-many. Please give justification.
Thanks

2007-09-12 13:43:36 · 6 answers · asked by mathteacher_ziglar 1 in Mathematics

this is for extra credit for my 3rd grader. could u tell me where and how i can find this answer plz?

2007-09-12 13:39:27 · 7 answers · asked by lillyflower 1 in Geography

sovlve for x

2007-09-12 13:38:45 · 10 answers · asked by Anonymous in Mathematics

Please show every step and explain

Find the first 6 terms given by the formula tn=tn-1+2tn-2 where t1=2 and t2=5

2007-09-12 13:37:16 · 1 answers · asked by Physics 101 1 in Mathematics

I know once you factor out the top it would be (x-7)(x-2)/4x but how do you find the zeros from there?

2007-09-12 13:36:58 · 3 answers · asked by Anonymous in Mathematics

2007-09-12 13:33:59 · 7 answers · asked by Famous Gilbert 4 in Engineering

2007-09-12 13:33:43 · 3 answers · asked by Anonymous in Physics

PLZ TELL ME!!!!!!!!!!!!!!!!

2007-09-12 13:32:03 · 3 answers · asked by Ally M 1 in Mathematics

Since it doesn't have anything in it, why does it absorb heat?

2007-09-12 13:29:32 · 2 answers · asked by Anonymous in Physics