Questions Asked on
August 22, 2010

statistics
It is thought that prehistoric Indians did not take their best tools, pottery, and household items when they visited higher elevations for their summer camps. It is hypothesized that archaeological sites tend to lose their cultural identity and specific
asked by sharon 
algebra1
why doews oshgosh jog around the high schooll track 98 times every day
asked by mrs.austin 
Chemistry
A gaseous mixture containing 4.15 mol of hydrogen gas and 7.13 mol of oxygen gas reacts to form steam (a) Write the balanced equation for the reaction. (b) What is the limiting reactant? (c) What is the theoretical yiels of steam in moles? (d) How many
asked by Jao 
Math
An engineer is designing a parabolic arch. The arch must be 15 m high, and 6 m wide at a height of 8 m. a) Determine a quadratic function that satisfies these conditions. I've got : 8=a(6h)^2+15, but i don't know what to do next.
asked by Emily 
College Physics
2 questions: a)Assuming that water has a density of exactly 1 g/cm3 (cubed), find the mass of one cubic meter of water in kilograms. b)Suppose that it takes 10 hours to drain a container of 5700m3 (cubed) of water. What is the "mass flow rate," in
asked by Frank 
physics
The description for a certain brand of house paint claims a coverage of 460ft^2/gal. A) Express this quantity in square meters per liter. B)Express this quantity in quantity in a SI unit (i.e, meters to the power1, looks like m1) C)What is the inverse of
asked by Brent 
PHY
The components of a vector V can be written (Vx, Vy, Vz). What are the components and length of a vector which is the sum of the two vectors, V1 and V2, whose components are (5.0, 1.3, 15.0) and (2.3, 4.7, 1.0)?
asked by ami 
marketing
Which of the following statements best describes the modern view of marketing? A. Marketing should take over production, accounting, and financial services within a firm. B. The job of marketing is to get rid of whatever the company is producing. C.
asked by Anonymous 
algebra
if a 6foot tall man casts a shadow that is 13 feet long, how tall is a tree that casts a shaow that is 169 feet long?
asked by Anonymous 
PHY
Vector V1 is 9.00 units long and points along the negative x axis. Vector V2 is 4.72 units long and points at +50.0° to the +x axis. (a) What are the x and y components of each vector? V1x = V1y = V2x = V2y = (b) Determine the sum V1 + V2. Magnitude AND
asked by ami 
Algebra
Algebra with Pizzazz need help with the riddle When Do Sky Drivers Use Decimals I have in a tent is satuasion?????
asked by Rayne 
chemistry
Benzoic acid and quinine are dissolved in a solution of dichloromethane. Besides the normal neutral forms for benzoic acid and quinine, will there be any other chemical form(s) present in the dichloromethane solution? (benzoic acid pKa = 4.2; quinine pKa =
asked by Kay 
CHEMISTRY
Calculate the ƒ¢H‹ rxn for the following reaction. ƒ¢H‹ f [H2S(g)] = 21 kJ/mol; ƒ¢H‹ f [SO2(g)] = 297 kJ/mol; ƒ¢H‹ f [H2O(l)] = 285.8 kJ/mol; 2H2S(g) + SO2(g) ¨3S(s) + 2H2O(l) a. 232.6 kJ b. 910 kJ c. 232.6 kJ d. 910 kJ
asked by Lucinda 
College Business
I have the following data: 40% debt, 10% preferred, and 50% common equity. Aftertax cost of debt 4.00%, cost of preferred 7.50% and cost of retained earnings is 11.50% in using this formula: WACC = wdrd(1T) + wprp + wcrs
asked by tricica 
Genes
Which one of the following statements describes the relationship between genes, chromosomes and DNA a) genes, the basic unit of heredity, are located on chromosomes, which consist of strands of DNA b) genes are composed of chromosome and DNA C) chromosomes
asked by Rena 
quiz
Question 1 Woodrow Wilson wished to keep the United States neutral at the outbreak of World War I primarily because h A)secretly admired German culture and the German university system. B) wanted to arbitrate among the combatants and to influence the
asked by paty 
Physics  Newton's Law of universal gravitation
Describe how Newton used each of the following phenomena to support the law of universal gravitation a) the orbit of the moon b) kepler's third law
asked by Shaila 
statistics
Given that a sample is approximately bellshaped with a mean of 60 and a standard deviation of 3, the approximate percentage of data values that is expected to fall between 54 and 66 is
asked by Anonymous 
spanish
Fill in the blank with the correct conjugation of the verb ir. Tú ____ a estudiar esta tarde.
asked by Anonymous 
geometry
A tennis ball can in the shape of a right circular cylinder holds 3 tennis balls snugly. If the radius is 3.5cm, what % of the tennis ball can is occuppied by air? Where do I start?
asked by Cendrillion 
5th grade math
i am a number greater than 40,000 and less than 60,000 my ones digit and tens digits are the same. my ten thousands digit is 1 less tha 3 times the sum of my ones digit and tens digit my thousands digit is half my hundred digit, and the sum of those two
asked by edgar 
physics
A driver in a car traveling at a speed of 70 mi/h sees a deer 90 m away on the road. Calculate the minimum constant acceleration that is necessary for the car to stop without hitting the deer (assuming that the deer does not move in the meantime).
asked by tommy 
computers
Scenario: You have been employed as the IT Director for the ABC Company. The company comprises 15 employees and it has not upgraded its computer system since 1996. Project: The President of the Company has asked you to replace the computers in every
asked by Jackie 
statistics
2. The director of admissions at a large university advises students that the cost of textbooks will average more than $300 for a typical semester. A random sample of 80 students enrolled in the university shows a sample mean cost of $315.40 and a sample
asked by Elizabeth 
physics 1
Antarctica is roughly semicircular, with a radius of 2000km. The average thickness of its ice cover is 3000m. How many cubic cm of ice does Antarctica contain? (Ignore the curvature of Earth).
asked by Anonymous 
physics
The record for the largest glass bottle was set in 1992 by a team in New Jersey they blew a bottle wit a a volume of 193 U.S. fluid gallons. a)How much short of 1.0 million cubic centimeters is that? b)If the bottle were filled with water at the leisurely
asked by Brent 
math
can i get step by step for this equation? 3x + 2y =24 what is the y intercept and what is the x intercept? I need the ordered pairs
asked by barb 
math
please solve: 8y  12 < 7y  7 { y y < ? there is supposed to be a straight line between the y and y
asked by barb 
Chemistrysig figs
Each of the following numbers was supposed to be rounded to two significant figures. For each one below, decide whether it was correctly rounded or not, and for those that were incorrectly rounded, correct them (a) 1.249 X 10 to the 3rd power. They said it
asked by Rebekah 
poetry
Is this a good Poem for a senior in creative writing? The topic is "The Power of Words" Words are one of the most powerful things in our lives. They can bring out many different feelings. Excited, sad, happy, or mad. Words put together can create a story.
asked by Angela 
english
please give me an oratorical piece about statistics..
asked by roxan 
english
Write five sentences about the role of education in successful financial planning in the spaces on the following page. Correctly use a different verb tense in each sentence.
asked by Tamara Moreno 
geography
i want some help in writing an assignment about earthquake
asked by noshin 
American democracy
a conservative is opposed to government intevention in both one or none.....economic and social spheres
asked by Jen 
algebra II
I need to convert one gallon an hour to ounces per second
asked by mary 
Spanish
What are subjunctive verbs in Spanish? I've learned them before but I don't understand them.
asked by Marc 
General Physics 221
During heavy rain, a section of a mountainside measuring 2.5 km horizontally, 0.80 km up along the slope, and 2.0m deep slips into a valley in a mud slide. Assume that the mud ends up uniformly distributed over a surface area of the valley measuring 0.40km
asked by Mike 
Math
How to solve for x? (x/(x+1))+ ((2x2)/x) = 1/(x+1) can someone show it step by step so i can understand it? Thanks!
asked by Janet 
AP european history
im writing a paper comparing and contrasting the government , art, and religion of ancient Greece, Rome, and the Middle ages, and i don't know how to make an outline....?
asked by Elizabeth 
english
I'm going to 7th grade on september and i have no idea on how to write 10 journal entries based on a person's perspective and voice. I already finished my book Canyons only i have no clue what to do!
asked by cindy 
Calculus
simplify 4xy^2/((12x^1/3)(y^5))
asked by Daisy 
Math
find the slope and intercept of the line 8y +3x+3 +5+3x
asked by Norma 
sig figs
how do you round 0.009934 to two sig figs? would it be .010? or would that be 3 sig figs?
asked by Rebekah 
Hydrogen peroxide
Under phycal properties I read Lola mass 34.0147 g/mol Where does "lola stands for?
asked by Raymond 
Social work
How can American companies make the workplace environment safe and efficient without treating employees like suspected criminals?
asked by Anonymous 
Math
If i'm given the equation 4.23= .19t^2+2.56t2.37 how do i find the value of t?
asked by Isabel 
PHY
What must be true for two vectors to add up to ZERO? Choose all that apply. 1)Their ycomponents must be equal. 2)They must be antiparallel (point in opposite directions). 3) Their xcomponents must be equal. 4)They must be parallel (point in the same
asked by ami 
Algebra 2
1. given the equation (x+1)/16^2+(y1)/16^2=1, where is the center of the conic section 2. given the equation (x2)/9^2+(y+3)/9^2=1, where is the center of the conic section
asked by yakime 
graphing an equation
I am getting stuck on graphing equations. when something says y=1/2x4.....I am supposed to put in numbers for x. however, I am stuck on the concept of how to divide by the fraction. Lets say x=2 y=1/2(2)4 I am totally stumped on if I need to make two
asked by Ryan 
Math Word Problem
The length of a rectangle is twice the width. The area is 242 yd^2. Find the length and the width of the rectangle. The width would be? The length would be? I am not sure if I am to take 242 and sqrt it to give me 58,564 and then divide by 4 or what. I am
asked by MBK 
Psychology
A weathy married man in China is having an affair with a beautiful young women who sems primarily attracted to his financial status. At the same time, similar situations are occurring across other races and nations. Sociobiologists would say: A) these
asked by Rena 
English
1. A big rock fell off a truck. 2. A big rock fell from a truck. (Are both the same?) 3. The rock fell onto the street. 4. The rock fell on the street. 5. The rock fell to the street. (What is the difference among the three? Are they interchangable? Are
asked by rfvv 
Calculus
The curved section can be modelled by the parabola y=3x3/4x^2 Use calculus to find the maximum height of the curved parabolic section. How do I do this step by step?
asked by Sarskia 
math
i need help with numerical expressions
asked by kaylynn 
math
the difference between molly and chase's age is 35. if molly is 3 times chase's age plus an additional 10 years how old are they?
asked by sarah 
Physics  Cavendish experiment
Describe the objective, apparatus and results of the Cavendish experiment
asked by Shaila 
algebra
The function W(d)=0.112d approximates the amount, in centimeters, of water that results from d cm of snow melting. Find the amount of water that results from snow melting from depths of 15 cm, 44 cm and 68 cm
asked by Faye 
math
1.)The polynomial 729 x^{3}  1 y^{3} can be factored into the product of two polynomials, A * B where the degree of A is greater than the degree of B. Find A and B. 2.)The polynomial 16 a^{6} + 8 a^{3}b + 1 b^2  49 c^{6} can be factored into the product
asked by Jordan 
French III
Marianne a peur de son emploi du temps ________________ et elle va parler avec son ____________ d'éducation pour abandonner un cours difficile. I know the second one but need help on the first. Thanks:)
asked by Hannah 
math
Using the unit data by product line, compile a breakdown of sales by product line. Alpha = 218, beta 203 and gamma 107 What percentage of the total sales is for each product line? Also, currently the sales total equals 528,000 units. If the sales total was
asked by renww 
educational games
I do not generally play online games, but I have come across two that I think are not only fun, but educational as well. Would I be allowed to mention their names here? (One has to do with words, the other with geography.)
asked by E.G. 
math
how do you find all real and non real solutions to these type of equations?: (x+3)^2  81=0 (x+1)(x2)=18 THANKS!
asked by Alex 
economics
What is the opportunity cost (in dollars) to attend an hourlong econ lecture for A minimumwage teenager in fall 2009?
asked by heb 
statistics
Construct two different datasets such that the range of the first set is greater than the range of the second set, but the standard deviation of first set is less than the standard deviation of the second set. Can you say that one of your datasets has the
asked by Zodra 
Ap european history
im writing a paper comparing and contrasting the government , art, and religion of ancient Greece, Rome, and the Middle ages and i need a catchy intro.... please help!!(: ( thanks Ms. Sue you really helped :)
asked by Elizabeth 
Math
240 m of fencing material is going to be used to enclose three sides of a rectangular lot. What should the dimensions of the lot be so that the enclosed area is as large as possible? (I'm supposed to solve this using a quadratic equations but I don't know
asked by Avery 
science
what is the family name for the male,female,and young of the squirrel?
asked by Elijah 
physics
Refer to the equation you derived in exercise (4). Assume that 1 y = 0.30m and 2 y = 0.10 m. What is the initial total mechanical energy if the pendulum is released from rest? What is the speed of the pendulum bob at the lowest point if the total
asked by joy 
physic you sure
in the distance you see an arch 192 meters high, you estimate your line of sight with the top of the arch to be 8.4 degree. appox how far in kilometers are you from the base of the arch? tan8.40.192/d? is this the complete answer?
asked by gabe 
Psychology
Evolutionary psychology and behavior genetics: a) have little in common b)acknowledge the interaction of heredity and environment c)focus on learning and experience d)are two schools of thought first introduced by John B. Watson I am confused between B and
asked by Rena 
eng
Need help combinig these sentences .I havee to make dependent clauses.The heavy door wouldnt budge.we tried to close it.
asked by tilly 
PSY
Discuss three factors that a researcher can control when designing a valid study and three factors that a researcher can control to limit the effects that extraneous variables can have on the results of a study
asked by Anonymous 
Math
Geometry. Mathematical Tables. 1 2 3 4 3 7 11 15 What is the pattern. Need help ASAP!
asked by Ashley 
english
This is what I wrote for my week 6 assignment but I am so confused on adjectives and adverbs as well as superlatives and comparatives. I have to underline adjectives and bold adverbs. Help I just don't seem to be getting the hang of it.
asked by mike 
science
The point where a river enters a lake or sea is a_____. a) basin b) tributary c) river mouth d) strait Just need to know if my answer or right or wrong. Thanks! :) b or c but im strongly going with c but i could be wrong though
asked by ant 
science
________ separate nitrogen from plants when they die. a) Carbon dioxide b) Bacteria c) Gases d) Oxygen Just need to know if my answer or right or wrong. Thanks! :) a
asked by ant 
math
The polynomial 14 x^3 + 8 x^2 + 21 x + 12 can be factored into the product of two polynomials, A * B where the degree of A is greater than the degree of B. Find A and B.
asked by Jordan 
childcare
1.Temperatures in child care education settings should be set at in summer and in winter. A. 55 to 65, 65 to 85 B. 60 to 63, 70 60 73 C. 68 to 72, 65 to 75 D. 72 to 80, 70 to 78 My answer is C. 2. Which of the following is an obsticle to learning for a
asked by action 
Math
what is equation of the line ( 3,0) and (0,4) y = please help me it is due tonight and I ma struggling to past his class
asked by Norma 
Math
( 7,9); 3x = 2y +9 equation of the line y =
asked by Norma 
mathplease check
is the solution to 2x^24x+5... 1(+/)((sqrt6)/2)i ??
asked by hannah 
11th grade
in the distance you see an arch 192m. you estimate your line of sight with the top of the arch to be 8.4 degrees above the horizontal. appox how far in kilometers are you from the base of the arch?
asked by gabe 
science
why did the balance record a decrease in mass during the reaction betwwn iron sulphide and hydrochloric acid?
asked by candice 
PHY
Express the direction 331° CW from the +xaxis in the following different ways. For this problem north is positive y and east is positive x. 1) east of north 2) above the +xaxis 3) right of the vertical in quadrant 1 4) CW from the yaxis
asked by ami 
physics
in the distance you see an arch 192 meters high, you estimate your line of sight with the top of the arch to be 8.4 degree. appox how far in kilometers are you from the base of the arch?
asked by gabe 
physics
Explain the conditions where the assumption of total mechanical energy of a system is conserved.
asked by Anonymous 
ConfusedMath
Your calculator gives an answer of x=1.1578074156, y=2E13 when using ROOT or ZERO in the graphing mode. Give the coordinates of the xintercept your calculator has given you to the nearest thousandth.
asked by Alex 
Nutition
"The body absorbs lipids mostly within the small intestine. The gallbladder secrets a chemical called bile to aid in the breakdown of this fat. From there the fat is broken down farther by the enzymes the pancreas makes. The mixture of "fatty acids,
asked by Nancy 
economy
What role do competitive markets, monopolies, and oligopolies play in an economy
asked by shon 
Algebra
Explain why x^2 + 5x + 8 is prime (not factorable). How do you know? Give 2 examples of a prime polynomial (they cannot both be binomials). Give 2 examples of polynomials that are NOT prime (they cannot both be binomials), factor them, and explain what you
asked by John 
Math
find the slope and y intercept of line. 8  1/3y = 9x
asked by Norma 
Database Management
What is wrong with using MS Access for a fifty station online purchasing system or though rare, when might it be OK. What is wrong with using SQL Server for a "Mom and Pop" shop of three computers?
asked by Jennifer 
human services
I need some help with selfdisclosure or boundaries issues tat may occur while working with a client.
asked by patiance 
Math
find the slope and y intercept of line. (11.6,15.8) and (10/8,12.8)
asked by Norma 
math
5(3+4x)6>=129 I get 2 different answers on this one. 15+20x6>=129 15+20x6+6>=129+6 15+20x>=135 1515+20x>=13515 20x>=120 20x/20>=120/20 x>=6 Is this worked out properly, are there any shortcuts?
asked by barb 
English
How do you pronounce "Manet", the famous French artist?
asked by rfvv 
math
graph and find the slope. I graphed and now I need the slope. (1,5),(1,5) m=
asked by barb 
Algebra
Use the quadratic formula to find the real solutions: 2x/x3 + 2/x = 3 I know I multiply both sides by x(x3), but I don't know how to do that.
asked by Aless 
Physics  weighing a planet
Explain how you can weigh a planet? ( Is it by the combination of the netwons law of univeral gravitation and keplers third law; t^2/r^3 = 4(pi)^2/G(Msun) )
asked by Shaila 
physics
A driver runs to the south at 20 m / s for 3 min, then turns west and runs to 25 m / s for 2 min, and finally turns to the northwest at 30 ni / s for I min. Find in this movement, 6 min, (a) the displacement vector the driver, (b) the speed climb and the
asked by EXCEL 
science
The processes of weathering that occurs when rocks and minerals react chemically with water and atomspheric gases is_______.
asked by sean 
English
I have to write about an experience I had that affected my writing. And I have to focus on ideas. This is due tomorrow and I need help like right na.
asked by 100% Boricua 
science
what are some things about wood spiders?
asked by Elijah 
phy
vector B has a magnitude of 186. By is 0. What are the two possibilities for Bx?
asked by ami 
PHY
VECTOR A has a magnitude of 55. Ax is 26. What are the two possibilities for Ay?
asked by ami 
health
Which of the following structures are regions of the lung? A. Frontal, maxillary, sphenoidal, ethmoidal B. Eustachian, pharynx, bronchi C. Cilia, adenoids, mucous, epiglottis D. Apex, base, hilum
asked by monica 
French
Marianne a peur de son emploi du temps ________________ et elle va parler avec son ____________ d'éducation pour abandonner un cours difficile. Whats the first one? I need help!
asked by Hannah 
Algebra 2
what is the length of the minor axis of (x9)/8^2+(y4)/18^2=1
asked by yakime 
math
graph the equation and identify the y intercept: y=1/2x How do work this can anyone help with step by step as i will have more of these?
asked by barb 
Social Studies
10. The principle of selfgovernment emphasizes majority rule whereas the principle of liberty emphasizes individual rights. These principles a. are universal and are the foundation of all legitimate governments. b. have no real meaning in practice. c.
asked by George 
Math
How does division work? Can you describe a picture of what happens during division?
asked by Helen 
science
is a squirrel a vertabrate or invertabrate?
asked by Elijah 
college algebra
factor 2x^250=0
asked by nicole 
physics
A pendulum is initially displaced to a height 1 y above the table top, as in figure 1. It is released with an initial speed of 1 v = 0 . At the lowest point of its motion, it is at a height 2 y above the table top, and with a speed of 2 v . Derive an
asked by joy 
Math
how do you solve: x²2x15 ≤ 0 please help :)
asked by Rowley 
science
does a baby squirrel have a name (cub,joey,etc.)?
asked by Elijah 
Math/Algebra
The number of tickets sold each day for an upcoming performance of Handel's Messiah is given by N(x)= 0.4x^2 + 8.8x +15, where x is the number of days since the concert was first announced. When will daily ticket sales peak and how many tickets will be
asked by Angel Eyes 
Psychology
One of the best ways to compare heritability is to compare
asked by Rena 
JISKHA STAFF
i was wondering if i could become a tutor or are you guys just robots? like how could i? and what are the rules?
asked by Joejoe 
college
3x
asked by Anonymous 
Chemical Eng
what is the effect of increasing the Electrical conductivity in the water (in BFW or DMW)?
asked by Ahmed ALBoaimi 
math
find the slope of the line, if it exists: coordinates are (1,5), (1,5) I am doing something wrong because I either get 5 or if I work it another way I get 0 m= either 5 or 0 Which one is it if any? x1x2/y1y2 Can you please help me through this?
asked by barb 
College Algebra
How do you simplify square roots? Like how can you get sqrt28 to be 2sqrt7?
asked by Alessandra 
great jiskha ideas
okay staff i came up with some great ideas. I can make a poster for you guys so people can hang ads up all around their school for this site. make a saynow number for people to call in saynow DOT COM be more like ask rose? add some more features, better
asked by Joejoe 
statistics
Why am I stuck? How do I figure I must be really stressed because I cannot figure this out. you exmple 9.408^2 =88.51046? How do you get it? I have squared 9.408 on calculator and get 3.08 what am I missing?
asked by Sandra 
Math
Simplify: a) 8^2 = 64 ... correct? b) 8^2 = 1/8^2 ... correct? c) (1/8)^2 = 1/64?? d) (1/8)^2 = 1/64?? e) 8^2 = 64?? f) (8)^2 64?? Please let me know if these are correct. Thank you!
asked by anonymous 
social science
What is an example of an interdiciplinary social science? explain please
asked by renee 
math
graph the equation and identify the y intercept: y=1/2x How do work this can anyone help with step by step as i will have more of these?
asked by barb 
algebra
How do you factor 2w^2+11w30 ???
asked by devon 
Math
Find the real solutions, if any, to this equation. Use the quadratic formula. 3x^2+5x7 =0 I get stuck when I plug in and simplify them all... I got up to 5+_ sqrt109 /5
asked by Lillie 
English
1. They got the rock out of the street at last. 2. They got the rock from the street at last. 3. They took the rock out of the street at last. (Are they all the same?)
asked by rfvv 
chemistery
whats the densty of an object with a mass 5.5 grams and a volume of 3 ml
asked by mikel 
Math/Algebra...can you check this please...
f(x)= 4(x+5)^2+3 The vertex is : 5,3 The line of symmetry is x= 3 The maximum/minimum value of f(x)= 5 Is the value of f(5)=3, a minimum or maximum? Minimum Graphing would open from the bottom going up on the negative side.
asked by Angel Eyes 
science
2.Good soil contains_____. a) humus b) minerals c) sand d) top soil e) all of the above Just need to know if my answer or right or wrong. Thanks! :) e
asked by ant