Questions Asked on
July 14, 2008

math
at one high school the mean time for running the 100yard dash is 15.2 seconds with a standard deviation of 0.9 seconds. The times are very close approximated by a normal curve. Find the percent of times that are: between 15.2 and 16.1 seconds
asked by Leanne 
Calculus
A population of 500 E. coli bacteria doubles every 15 minutes. Use this information to find an expression for this population growth. Using this expression, find what the population would be in 87 minutes. Use an exponential model. so we're supposed to use
asked by Vanessa 
Algebra
A roof truss is in the shape of a triangle with height of x feet and a base of 2x + 1 feet. Write a polynomial A (x) that represents the area of the triangle. Find A (5).
asked by Don 
math
Determine whether the ordered pair is a solution of the inequality (5, 12); 6y7x.7 Is the ordered pair a solution of the inequality? no or yes solve the system of equations by graphing. Then classify the system as consistent or inconsistent and the
asked by mekhi 
Accounting
Does anyone have any idea what the Acronym ADE / CLR stands for? Thanks for your help.
asked by Crystal 
organic chemistry
Why is it easier to remove excess acetic acid from isopentyl acetate than excess isopentyl alcohol? Sodium Bicarbonate is added but the question doesn't say anything about it.
asked by Caleb 
Econ
What is the effect of the following shocks on the shortrun level of national output? a A fall in interest rates? b An appreciation of the Home currency? c A tax cut? d A tax cut in Foreign? e A drop in consumer confidence (consumer want to spend less)? f
asked by Bo 
math
use setbuilder notation to describe the complete solution 5[3m(m+6)]>6(m5)
asked by jay jay 
Chemistry
Given the following chemical equation: 3 Cu + 8 HNO3 = 3 Cu(NO3)2 + NO + 4 H2O. How many moles of HNO3 are required to react with 6 moles of Cu?
asked by Persia 
MATH
Team X and Team Y have a tug of war. From their starting positions Team X pulls Team Y forward 3 meters, and Team X is then pulled forward 5 meters. Team Y then pulls Team X forward 2 meters. If the first team to be pulled forward 10 meters loses, how many
asked by LILY 
inventors
the resisting force exerted on anairplane is called?
asked by luz 
english essay
a friend in need is a friend indeed
asked by juhi 
english
i need help so i may locate nouns in sentences. please help me.
asked by kim 
physics
1. It has been suggested that rotating cylinders about 11 mi long and 5.2 mi in diameter be placed in space and used as colonies. What angular speed must such a cylinder have so that the centripetal acceleration at its surface equals the freefall
asked by Elisa 
Math
a cellular phone company offers a contract for which the cost C, in dollars, of t minutes of telephoning is given by C=0.25(t600) + 43.95, whe it is assumed that t¡Ý 600 minutes. What time will keep costs between $82.95 and $110.95? For the cost to be
asked by mekhi 
statistics
If %1 of a popualtion are allergic to peanuts, would it be unusual for a random sample of n=1500 to result in fewer than 10 with peanut allergies? I have figured phat p=10/1500 (0.0070.01)/.003=1 Zscore=1=.1587 so Iinterpreted this to be 16 samples
asked by Lindsey*** 
Prayer Request
Touch and agree with me that I will pass the ged test on Wednesday July 16th. I believe the 2250 points that is needed that my score is higher than that. Please pray for me..
asked by keysha 
english
what the noun in the sentence an extreme climate may affect your communication effectiveness.
asked by kim 
history
what is sometimes reffed to as a river of grass?
asked by luz 
help me please
Find the decimal equivalent of the mixed number 8 7/8
asked by Ann 
english
what is the noun in the sentence poor gramer may result in miscommunication.
asked by kim 
math
Find the least common multiple of 9, 10, and 30.
asked by Ann 
algebra
Can someone please help me with this? Solve ∛(x+1) = 3
asked by C 
english
hi could anyone help me i need pun words for sucker and lollipop
asked by samantha 
Calculus 2
Find the length of the spiral r=a(Theta) on [0,Pi]
asked by Victor 
health
If the Office of Communications and Public Liaison (OCPL)is not utilized for health communication, how will it reduce health communication?
asked by Rosa 
Math
Solve by eliminnation methods 2x4y=5 2x4y=6 solve the system by elimination method 5x+2y= 13 7x3y=17 Solve x+64 Determine whether the given numbers are solutions of the inequality 8,10,18,3 y8>2y3 Solve by the substitutioj method 2m+n=9 m5n=10
asked by jay jay 
Significant figures in chemistry
can someone please explain significant figures to me?I don't understand how to round them to the right number.
asked by Kimberly 
algebra
9b^2(4b)^2 is this 9b^2+4b^2 or 9b^2+16b^2?
asked by Lindsay 
more math
I have to write the following as a common fraction or mixed number. 5.679
asked by Ann 
health
which model (biomedical or biopsychosocial)is more effective in helping an ill person return to good health?
asked by Ann 
experimenting
Edgar y Ramona comer una pizza pequena y yo escribir de todas mis experiencias en mis tarjetas.
asked by Anonymous 
chemistry
GIVEN THE FOLLOWING CHEMICAL EQUATION: 3 +Cu +8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O. 1).HOW MANY MOLES OF Cu(NO3)2 ARE PRODUCED WHEN 3 MOLES OF Cu REACT? 2).HOW MANY MOLES OF Cu MUST REACT TO PRODUCE 4 MOLES OF NO? 3). If 4 moles of NO ARE PRODUCED HOW MANY
asked by Persia 
trig/pre calc
hello, i don't quite understand how to do this type of problem: 1. find the exact value of sin (pi/3). even more confusing is 2. find the exact value of csc^1 (1). i would appreciate any kind of help! thank you!
asked by brandy 
problems posting
it says I cant b/c you cant post websites but I don't have anything even referring a website
asked by Anonymous 
math problem
last question because I do not understand or know how to do this problem which it says to add 1 and choose which is correct (A)161.27 (B)67.346 (C)160.27 (D)85.949
asked by Ann 
AE
Write a 200300 word response to Chapter 6 Journal Entry # 1 (page 229) in Introduction to the foundations of American education.
asked by scooby91320002 
Healhcare
What populations or groups were most adversely affected by deinstitutionalization?
asked by Anonymous 
math
Phil needs to practice free throws 7/10 of an hour each day. If he has already practiced 3/10 of an hour today, how much longer does he need to practice?
asked by Ann 
environmental studies
Give a specific example to show how you might apply activity based costing to port authority operations.
asked by Thano 
more math
how do I add these mixed numbers 4 2/7 + 1 5/7
asked by Ann 
AED
A child’s perception of self varies by age and emotional development. As a professional, it is important that you recognize a child’s self image as it relates to his or her development. How do strategies that promote a healthier selfimage differ as a
asked by dawn 
education
n any given multicultural classroom what are the concerns in terms of social justice for all students? how would you address these concerns? describe a strategy you might use to ensure all students are treated equally and fairly?
asked by carol 
english
When mapping out a poem's rhyme scheme and the poem exceeds the amount of letters in the latin alphabet what symbols does one use to continue mapping the rhyme scheme?
asked by Andy 
history
The Christian Church helped preserve what traditions in the German kingdoms.
asked by Jake 
english
I am having a problem figuring this out. Can anyone tell me what kind of conclusion the writer is useing? and the impact. The "R" Word How do you avoid saying "retarded"? By John Cook Posted Thursday, July 5, 2001, at 11:30 PM ET We've been hearing an
asked by Anonymous 
progra
how would i be able to write a function module for average from this pseudocode and then use it to write an algorithm. Sum integer Num integer Count integer Count:= 0 Sum:=0 Dowhile count
asked by alberto 
Algebra
3x2=0 Solving for x, need step by step instruction?
asked by Danielle 
liteture
the little mermaid was written by?
asked by luz 
Calc.
For the function ƒ(x) = x^3  8x + 3, calculate where a = 5 and h = 2. Simplify before substitution (the simplifying is where I am having problems...not sure if my answer is right). Thanks. Using the limits equation.
asked by Derek 
Geography
How might higher levels of development of a country be related to temperate locations??
asked by Mandy 
Calc.
verify that lim h>0 (e^x+h e^h)/h=e^x and explain how this illustrates that ƒ′(x) = ln e • ƒ(x) = ƒ(x)... The notes for this section suck big time, so I really don't know where to begin with this. Thanks!
asked by Derek 
algebra
I am really stuck, can someone please help me with this? Multiply and simplify by factoring. Assume that all expressions under radcals represent nonnegative numbers. (type in radical form) ∛(y^13 ) ∛(16y^14 )
asked by C 
math
translate to an algebra statement. seven times the difference of six and twice a number yields the same result as the same number decreased by one
asked by melissa 
World Civ
Who was the ruler of the German kingdom of the Franks?
asked by John 
math
How can I solve 3*x^2+y^2=300?
asked by mathexplorer 
Env Science
Why is a cornfield more vulnerable to harm from insects and disease than a grassland?
asked by Mia 
math
write the following as a common fraction or mixed number in it's lowest term 6.38
asked by Ann 
science
need questions pages 686736?
asked by lillt 
present value
The present value P that will amount to A dollars in n years with interest compounded annually at annual interest rate r, is given by P = A (1 + r) ^n. Find the present value that will amount to $50,000 in 20 years at 8% compounded annually.
asked by Don 
Earth Science
1. Using included fragments to estimate the age of a rock unit. Pieces of granite were found in conglomerate (a) that gave a radiometric date of 320 Ma. Also, fragments of the rhyolite (b) and granite (c) were found in conglomerate (a). Given this
asked by Sam 
Marketing
Describe the three principal managerial roles identified by Henry Mintzberg.
asked by China 
Business Finance
Describe briefly what is meant by activity based costing.
asked by Thano 
Algebra  polynomial
If a manufacturer charges p dollars each for rugby shirts, then he expects to sell 2000 – 100p shirts per week, What polynomial represents the total revenue expected for a week? How many shirts will be sold if the manufacturer charges $200 each for the
asked by Don 
math
11/15+7/102/5 how do I do this problem?
asked by Ann 
Algebra
The length of a rectangular lot is 50 feet more than the width. If the perimeter is 500 feet, then what are the length and width?
asked by Don 
healthcare
From the perspective of a caregiver, would you prefer traditional insurance or one of the managed care options (HMO,PPO) and why? I need direct answers please, I'm not a healthcare professional or caregiver, so I don't know which to choose.
asked by Matt 
Math
Soybean meal is 18% protein; cornmeal is 9% protein. how many pounds of each should be mixed together in order to get 360lb mixture that is 11% protein? How many pounds of the cornmeal should be in the mixture? How many pounds of the soybeans meal should
asked by boo boo 
another math question
Divide by moving the decimal point 52.3 divided by 10 5
asked by Ann 
english
list of rhyming words for std 2
asked by hriday