Questions Asked on
June 11, 2013

Statistics
. Two thousand randomly selected adults were asked whether or not they have ever shopped on the internet. The following table gives a twoway classification of the responses obtained. Have shopped Have never shopped Male 500 700 Female 300 500 Suppose one
asked by David 
Physics
Suppose you walk 18.0m straight west and then 25.0 m straight north. How far are you from your starting point and what is the compass direction of a line connecting your starting point to your final position>
asked by Anne 
geometry
ad=10 units;ab=8 units;ac=12 units;ed=4.5 units.if
asked by lameisha 
Financial Math Help? (Determine compound period)?
Future value of a $200 deposit in an account that earns 6.25% annual interest is $272.71 after 5 years. Determine the compounding period for this investment. My work: PV=FV(1+I/n)^ (n) 200=272.71(1+0.0625/n)^5n log0.73=log(1+0.0625/n)5n This is where I
asked by Sam 
math
Use an elimination strategy to solve this linear system: 10x + 10y = 1030 5x + 5y = 135
asked by kelly 
Geometry
40. Find the surface area of a conical grain storage tank that has a height of 42 meters and a diameter of 20 meters. Round the answer to the nearest square meter. (1 point) 3,028 m2 3,971 m2 1,357 m2 1,671 m2
asked by Amanda 
PSY 369
Explain two major differences between common sense understandings and social psychological theories. Illustrate with an example. What is the danger in relying on common sense or intuition in learning about the relationship between the individual and his or
asked by jay 
Statistics
1. The mean monthly mortgage paid by all home owners in a town is $2365 with a standard deviation of $340. a) Using Chebyshev’s theorem, find at least what percentage of all home owners in this town pay a monthly mortgage of (i) $1685 to $3045 & (ii)
asked by David 
Physics
Find the projection of vector A=i2j+k onto the direction of vector B=4i4j+7k
asked by Devin Darkie 
science
explain why alcohol exerts its effects more rapidly when the stomach is empty
asked by Tekere 
chemistry
A sample of compound containing boron and hydrogen contains 6.444 g of B and 1.803 g of H. The molar mass of the compound is about 30 g. What is its empirical and molecular formula?...thank you for sharing your knowledge...
asked by irfan 
math
cashew nuts sell for $21.00/kg. Brazil nuts sell for $15.00/k. A distributor sold a total of 120 kg of nuts and Brazil nuts for $2244. What mass of each type of nut was sold?
asked by trixie 
math
A monic polynomial f(x) of degree four satisfies f(1)=10, f(2)=20, and f(3)=30. Determine f(12)+f(−8)−19000.
asked by raja harishchandra 
Chemistry
For the cell diagram Pt(s)H2(g)H+(aq)Cu2+(aq)Cu(s) Write a balanced equation for the halfreaction at the cathode. The cathode is the site of reduction so copper gets reduced. So wouldn't the answer be: Cu2+(aq) > Cu(s) + 2e?
asked by Jane 
trig
The point (3, 4) is on the terminal side of angle θ in standard position. Find cot θ.
asked by tony 
Statistics
3. The following table gives a twoway classification of all basketball players at a university who began their college careers between 2004 and 2008, based on gender and whether or nor they graduated. Graduated Did Not Graduate Male 126 55 Female 133 32
asked by David 
ssm
a stone of mass 50g is being rotated in a circle of radius 50 cm with a uniform speed of 2 m/s what is the acceleration of the stone ?
asked by sai geetha 
tenses
1. The duo had been given the second best time slot. a. past perfect in the passive voice b. past continuous in the passive voice c. An infinitive in passive voice d. simple past in the passive Answer d 2. The promotional poster was designed by Jack. a.
asked by Jim Collum 
Physics
If an object on Pluto has a mass of 10 kg and a weight of 6.6 N, what is the acceleration due to gravity at its location?
asked by Michelle 
Physics
a 100 gram bullet is fired from a 10 kg gun with a speed of 1000m/sec. what is speed of recoil
asked by Devin Darkie 
trig
Given that θ is an angle in standard position whose terminal side contains the given point, provide the exact value of the indicated function. (2, 3) Find sec θ.
asked by tony 
trig
Identify the quadrant in which θ lies. sin > 0 and tan < 0
asked by tony 
chemistry
36.5g of hcl are dissolved in 180g of h2o. what is the mole fraction of the solute
asked by help needed 
particular tense was chosen
Why a particular tense was chosen for each of the following statements. Select the best answer. A. Jack has known Mike for about a year. 1. Use the present perfect when the exact time of a past repeated action isn't important 2. Use the past perfect to
asked by Jim Collum 
math
A fair coin is flipped 3 times. The probability of getting exactly two heads, given that at least one flip results in a head, can be written as a/b, where a and b are coprime positive integers. What is the value of a+b?
asked by raja harishchandra 
physics
If you watch little kids try to open doors, they will often just push anywhere on the door, rather than on the edge like adults do. This is because they don't understand that it's easier to open a door if you push on the edge. But how much easier? Consider
asked by raja harishchandra 
math
how do I change this 2 3/6 to an improper fraction????
asked by tamy 
Grammar
Please check. 3. Our apartment is downtown; theirs is uptown. 4. "Then," the witness continued, "we heard someone yell" 'Who's in there?' 5. Could you find the article "Gulliver's Travels Revisited" in our library? 6. Sheila asked, "Is Chapter 3 of Winter
asked by Anonymous 
types of buisness writing
Give me an example on how to Draft an email of at least four complete sentences
asked by kenneth 
math
use substitution to solve this linear system: 8x + y = 458 5x + 3y = 221
asked by trixie 
math problem
In a standard carnival game, you toss a coin on a table top marked with a grid of squares. You win if the coin lands without touching or overlapping any lines. In other words, the coin needs to land entirely inside one of the squares. If the squares
asked by Anonymous 
science
describe the two important roles of gut movement in humans
asked by Tekere 
Statistics
4. An environmental agency will randomly select 4 houses from a block containing 25 houses for a radon check. a) How many total selections are possible? b) How many permutations are possible?
asked by David 
math
A box contains 4 red pens, 5 blue pens, and 9 green pens. Two pens are drawn out of the box without replacement. What is the probability of drawing a red pen on the first draw and the same color pen on the second draw?
asked by mary 
Calculus
A rectangular box is to have a square base and a volume of 20 ft3. The material for the base costs 42¢/ft2, the material for the sides costs 10¢/ft2, and the material for the top costs 26¢/ft2. Letting x denote the length of one side of the base, find a
asked by Metzli 
fractions
Rewrite the fraction pair with common denominators: 1/3 and 1/2
asked by Celest 
math
write an equation in general form for the line that passes through A(3,4) and B(11, 8)
asked by trixie 
english
Is the following sentence correct? This home is located at 8 Second Avenue; it is a onelevel brick home with three bedrooms and two baths.
asked by cynthia 
spanish
luke y renato / venir / a tu casa / para escuchar música nosotros / poder / almorzar / con lori y roberto thad y lorenzo / preferir / salir / con sus amigos berta y amanda / querer / almorzar / en el parque can someone help i am lost i have to put these
asked by mike 
child care mangement
children create _ when they talk about certain kinds of information many times. a. cultural schemes b. socialization strategies c. motivations d. attitudes I think its b please check my answer
asked by kim 
math
what will the value of my investment be on $3000 at 6% annual interest compounded semi annually
asked by michael 
physics
Calculate the acceleration of the electrons enter the plates.Which are two parallel metal plates 12 mm apart, An electric field is produced between the plates, with the top plate held at a potential of 120 V and the lower plate earthed.
asked by Ying 
math
I really need help A person opens up a savings account that pays 4% interest compounded quarterly. The person makes deposits every three months, including the initial deposit of $200 each. How many years will it take for the account to reach $30,000? For
asked by mysterychicken 
Math
What descriptive statistical information is needed in order to determine if a current temperature of 75degree is a departure from the average temperature of 65 for that date of the year in that particular location, if the record low is 35 and record high
asked by Shelby 
Science
How does glucostatic theory explain why individuals experience a "crash" after eating a meal high in sugar
asked by AhmadM 
Grammar
Punctuate correctly. 1. Plier's Grip 2. If your calling the repairman, wait; the TVs working fine now. 3. Our apartment is downtown; there's is uptown. 4. Then, the witness continued, we heard someone yell Who's in there? 5. Could you find the article
asked by Anonymous 
math
Explain what happens when you try to solve this linear equation using an elimination strategy. What does this tell you about the graphs of these equations? 8x + 20y = 40 24x  60y = 120
asked by trixie 
trig
Find the trigonometric function value of angle θ. Cos θ = 2/7 and θ is in quadrant IV. Find sin θ.
asked by tony 
math
Sales clerk at an appliance store have a chance of 2 payment: Plan A: $580 every 2 weeks plus 4.2 % commission on all sales Plan B: $880 every 2 weeks plus 1.2 % commission on all sales a) Write a linear system to model this situation b) Graph the linear
asked by trixie 
kickball
In kickball, if you're out, where do you go?
asked by Celest 
English 101
just wanted to make sure there should be a comma between onelevel and brick. Also, three and two should be spelled out. There is one home that I think would meet your needs the best. This home is located at 8 Second Avenue; it is a onelevel, brick home
asked by cynthia 
Astronomy
The saros cycle
asked by Terrance 
Physics
While Driving Around A Curve Of 200 M Radius, You Notice That The fuzzy dice Hanging From The Rearview Mirror Hangs At An Angle Of 15 Degree To The Vertical. 1.) What is the force diagram for the dice? 2.) What are the equations of motion in the
asked by Bob 
Science
What effect does CRH have on the corticotrophs of the anterior pituitary?
asked by Jenn 
Boolean Algebra
In the country of Genovia, the president wants to ensure that the Monetary Committee can activate a device that opens the country’s safe. The safe system is to be activated by a device that obeys the following rules: Each member of the Monetary Committee
asked by Hy'Lee 
science
ferrous sulphate + sodium hydroxide forms ppt. ferrous hydroxide + sodium sulphate is left in the solution write a balanced chemical eqn.. for this..
asked by jane 
Bright wood. math
Drow 8 counters
asked by debebe 
Intermediate algebra, concepts and graphs
Solve the following inequality and answer in interval notation: 5(3a+4)
asked by Lisa 
maths
How many ordered triples of pairwise distinct, positive integers (a,b,c) are there such that abc=10^6?
asked by Anonymous 
math
The sum of squares formula is given by 1^2+2^2+3^2+…+n^2=n(n+1)(2n+1)/6. The sum of odd squares can be expressed as 1^2+3^2+5^2+…+(2n−1)^2=An^3+Bn^2+Cn+D. The value of A can be expressed as ab, where a and b are positive coprime integers. What is the
asked by raja harishchandra 
math
mr.wong class raised $72 to buy books for their class library. darnell earned 1/6 of the money doing extra chores at home .how much did he earn?
asked by Anonymous 
math
Solve the following inequality and answer in interval notation: 5(3a+4)
asked by Lisa 
math
A trapezoid with area 417/16 has three of its sides on the xaxis, the line x=3, and the line x=6. The fourth side is contained in the line y=mx+5/2. The value of m can be written as a/b where a and b are coprime positive integers. Find a+b.
asked by raja harishchandra 
math
A trapezoid with area 417/16 has three of its sides on the xaxis, the line x=3, and the line x=6. The fourth side is contained in the line y=mx+5/2. The value of m can be written as a/b where a and b are coprime positive integers. Find a+b.
asked by raja harishchandra 
math
Two congruent circles Γ1 and Γ2 each have radius 213, and the center of Γ1 lies on Γ2. Suppose Γ1 and Γ2 intersect at A and B. The line through A perpendicular to AB meets Γ1 and Γ2 again at C and D, respectively. Find the length of CD.
asked by raja harishchandra 
math
susanna and her sister had a bake sale ,and earned 2/9 of the money.how much did they earn ?
asked by tamy 
math
Consider a 25×25 grid of city streets. Let S be the points of intersection of the streets, and let P be the set of paths from the bottom left corner to the top right corner of which consist of only walking to the right and up. A point s is chosen
asked by raja harishchandra 
math
Model this situation w/ a linear system: Melissa borrowed $10, 000 for her university tuition. She borrowed part of the money at an annual interest rate of 2.4 % and the rest of the money at an annual rate of 4.5 %. Her total annual interest payment is $
asked by trixie 
algebra
A basketball player makes an average of 10 points for every 15 shots taken. Each shot made by the player is a 2point shot. The variables in this situation are the number of 2point shots taken and the number of points made. What is the rate of change for
asked by scoot 
math
If you watch little kids try to open doors, they will often just push anywhere on the door, rather than on the edge like adults do. This is because they don't understand that it's easier to open a door if you push on the edge. But how much easier? Consider
asked by raja harishchandra 
physics
The most convenient way to express vectors in the two dimensional plane is in the familiar (x,y) Cartesian coordinates. However, one can express vectors in other coordinate systems as well. For example, another useful coordinate system for the plane is
asked by raja harishchandra 
math check
Consider the following (Give your answer correct to four decimal places.) (c) Find P(z > 0.23). 10.5910 = .409 (d) Find P(z < 1.51). 10.9354=.0655
asked by Tom66 
physics
Tarzan is often portrayed as swinging through the jungle from vine to vine. Each of Tarzan's vines are 30 meters long and Tarzan catches each vine when it is at rest 15 degrees to the left of the (downwards) vertical, swings on it until it stops at an
asked by raja harishchandra 
math
at the beginning of the school year,jared;s dog weighed 46 1/2 pounds.at the end of the school year,it weighed 50 pounds.how much weight did jered's dog gain during that time ? how many ounces is this ?
asked by tamy 
science
Two particles are moving at a speed v such that they are always at a constant distance d apart and their velocities are always equal and opposite.at what time they return to their initial positions?
asked by sandhiya 
math  trig
1. Find csc A, cos A and tan A of an angle A whose terminal side contains (– 12, – 5). 2. Find sin X, sec X and cot X of an angle X whose terminal side contains (– 3, 5).
asked by Annika 
english
give two examples in the giant's house for character, theme, plot, style, point of view
asked by tyler 
science
The atomic mass of lithium is 6.94, the naturally occurring isotopes are 6Li = 6.015121 amu, and 7Li = 7.016003 amu. Determine the percent abundance of each isotope.
asked by Annika 
math
they need 2 cups of flour. how many 1/4 cups should the measure?
asked by tamy 
Math
Alvin, Calvin and Melvin are running laps around a track. Alvin runs a lap every 4 minutes, Calvin runs a lap every 6 minutes and Melvin runs a lap every 9 minutes. If they start off at the same point, how many minutes will it take before all three of them
asked by Tom 
computer
how to download C language? give any website for downloading C language.
asked by jerry 
physics
A large rock is dropped from a plane flying horizontally at an altitude of 4.00 x 10 ^3 ( to the power of 3) and with a speed of 900km h. a) calculate the distance that the rock will move horizontally before hitting the ground b) find the velocity of the
asked by sabine 
English
Correct the errors in these quotations. I Have this homework, I don't know if I'm in the right track... 1."This is the hardest class I've ever taken. It's also the most rewarding. The teacher sets the bar high and I think that forces us to learn more,"
asked by Avril 
Math check
IQ scores in a certain population are normally distributed with a mean of 96 and a standard deviation of 12. (Give your answers correct to four decimal places.) (a) Find the probability that a randomly selected person will have an IQ score between 83 and
asked by Tom613 
math
they need 11/2 cups of sugar.how many 1/4cups should they measure?
asked by tamy 
advance functions gr 12
fill in the blank the ______________ of logarithms state that log (xy)= logx + log
asked by samantha 
Chemistry
How much cm3 solution of concentrated ammonia with 25% density of 0.91g/cm3 should be added to 7 g NH4Cl so we can get a solution of 100cm3 with pH 10 (Kb = 1.8 x 105)
asked by HelpPls 
calculus
solve for the second derivative and set to zero f"(x) = ((x^24)*sin(2x) [(2x)(1+cos^2(x))]/ ((1+cos^2(x))^2) i don't know how to set it to zero and solve i get this: (x^24)(sin(2x))= (2x)(1+cos^2(x)) thanks for help i did not get a clear response
asked by Ken 
English
1. I usually buy waffles from the cart on the road near Seowon Market. 2. Walk from the school gate toward Chungrryeol Apartment. The restaurant is between the bookstore and the post office across from the apartment. 3. Go out of the school gate. Turn
asked by rfvv 
english
please answer the last question
asked by tyler 
math
Determine the number of permutations of the letter of the word "education"
asked by michael 
English
Our team's favorite restaurant is Yummy Place. To get there, get out of the school gate. Then turn left. It is across from the convenience store. We can find 5 kinds of street foods at the restaurant. The restaurant sell baozi, meat pie, takoyaki,
asked by rfvv 
Chemistry
How to separate and isolate the components of barium sulfate?
asked by Hope 
Math Help
A brewery's filling machine is adjusted to fill bottles with a mean of 31.5 oz. of ale and a variance of 0.003. Periodically, a bottle is checked and the amount of ale noted. (a) Assuming the amount of fill is normally distributed, what is the probability
asked by Tom614 
math
Determine the number of permutations of the letters of the word "EFFECTIVE"
asked by michael 
math help
Can some one help me with this one??? Consider the following bivariate data. Point A B C D E F G H I J x 3 4 2 1 7 2 1 0 4 2 y 1 7 3 3 6 6 5 0 6 2 (a) Construct a scatter diagram of the given bivariate data. (Do this on paper. Your instructor may ask you
asked by Tom614 
math
is the area of a paperback book cover closer to 28 square inches or 28 square centimeters
asked by misty 
Physics websites
I just want to ask if there's a website in physics that you don't have to do the experiment on your own and you can just do it in the computer and study it and answer the question to that experiment/lab. I'm really having problems with my experiments and I
asked by Isis 
english
5. In the following sentence, identify the part of speech of the italicized word. Thousands of years ago, fish were caught in nets and traps. A. Conjunction B. Linking verb C. Pronoun D. Preposition
asked by Anonymous 
Chemistry
What is the functional group for aromatic hydrocarbons? Would it just be the benzene ring?
asked by Paris 
Math
if 2 meters of a wire weigh 24.8 grams, how much do 6 meters of wire weigh?
asked by Kathy 
Physical science
Find the acceleration of a hamster when it increases its velocity from rest to 10 in 2.4
asked by Tania 
physics
on turning a corner a motorcyclist rushing at 44 meter per second. find a child on the road 100m away. he applies the brake so as to stop motorcycle within 1m of the child. calculate the time required to stop?
asked by tuhituhi 
science
explain the digestive and storage role of stomach in humans
asked by Tekere 
maths
10X7>4X+35
asked by robel 
Chemistry
How many grams of Ca(OH)2 are in 6.5 moles?
asked by Shakena 
physics
a balloon is rising up with an acceleration of 25meter per second a body is dropped from the balloon when its upward velocity is 300meter per second. what are there values of velocity and acceleration of the body at the instant it is dropped?
asked by tuhituhi 
math
Consider the set {1,2,3,4,5,6,7,8,9,10}. For each subset, calculate the sum of the elements in the subset. How many distinct sums can we get?
asked by O.albania 
math
Bob has twice as much money as Kenny. Steven has $78 more than Bob. Ann has $139 more than the total amount that Bob, Steven and Kenny have. Ann has $545 more than Kenny. How much money has Ann?
asked by katewin 
Chemistry
What is the Net Ionic for the two following equations? Calcium carboante B) Fe(SCN)^2+
asked by Kim 
business management
success in college requires:
asked by Rachel 
Physics
You and a friend are going to ride on a Ferris wheel. For a little extra fun, when your friend is at the very top of the Ferris wheel she's going to drop a tennis ball. How far around the Ferris wheel in radians from your friend should you sit so you can
asked by montes 
health
discuss 5 ways in which the human or environment problem impact on the community.
asked by sineliso 
Grammar
I'm sending an email to my teacher. and I wanna know how to send it like the correct way. Hi Miss rodriguez I wanted to know what's my score for reading they still haven't posted it on the portal
asked by Anon 
Physics
what is the physics theories behind putting 500 rubber bands on a watermelon until it explodes? I know there would be at least 2. The compression of rubber bands and Water not being able to compress. I need help with more explanation. what are the name of
asked by Kari 
math
order the set of fractions from least to greatest. 7/5, 7/3, 7/9
asked by Anonymous 
physic
A rocket accelerates straight up from rest for 20 seconds with an acceleration of 8 m/s2. After 20 seconds the rocket motor shuts off and the rocket continues to coast upwards. How high does the rocket go in meters?
asked by O.albania 
Science
Just overall ideas, working on paper: How can evolutionary theory be used to explain both adaptive and maladaptive eating behavior?
asked by AhmadM 
math
write the direct variation equation for the following:y varies directly with x and y=60 when x=10
asked by lina 
Physics
A 1m long string having mass of 4 gm is stretched by a force of 78.4N. calculate the frequency of the fundamental mode of vibration and the mass by which the string was stretched at its one end.
asked by Devin Darkie 
Physics
Green light of 540 nm is diffracted by a grating of 200lines/mm. calculate the angular deviation of 3rd order image. is 10th order possible?
asked by Devin Darkie 
Physics
At what distance should an object be placed in front of a convex lens of focal length 20 cm to obtain an image of double its size
asked by Devin Darkie 
trig
ferris wheel one has a 40ft diameter, revolves once every 30 seconds and is 5ft above ground. Ferris wheel two has a diameter of 20feet, revolves once every 15seconds and is 2 feet above the ground. each angular velocity?? each linear velocity??
asked by ozzy 
English
I need to prepare a short summary on the feminist movement for tomorrow. Can someone check it, please? Thank you very much in advance. 1) In October 1903, Emmeline Pankhurst founded the Women's Social and Political Union (WSPU) – a militant organization
asked by John 
Physics
2. A 2inx4inx8ft is leaning against the wall, draw afreebody diagram of forces on it. Give an expression throughdetailed steps using the diagram what would be the minimum angle ofthe wooden bar with the floor so it won’t slide.
asked by ChiChi 
English
I have reduced my paragraphs to a few sentences. Please, let me know if it is OK. 1) In point of fact, the suffragettes had to face old stereotypes: the press ridiculed them, people treated them with indifference and hostility and the police attacked them
asked by John 
Problem
If an Elements has a half life of 20mins what is the radioactive decay of a 200gram sample?
asked by Half life 
math
Create a linear system to model this situation. Then use substitution to solve the linear system to solve the problem.  Bobbie has been saving dimes & quarters to buy a new toy. She has a total of 28 dimes and quarters, with a value of $4.30. How many of
asked by trixie 
Math
Im thinking of a twodigit number. It is a prime number which is 3 less than a perfect square. Also, when it's digits are reversed, it becomes a perfect square. What is the one possible number?
asked by Patrick 
math
Model this situation w/ a linear system: Melissa borrowed $10, 000 for her university tuition. She borrowed part of the money at an annual interest rate of 2.4 % and the rest of the money at an annual rate of 4.5 %. Her total annual interest payment is $
asked by trixie 
Stats
Sooo I'm a little confused on these 2 questions: 1. Sample: a. method of collecting, presenting, and describing sample data b. a numerical value summarizing all the data of an entire population c. a collection, or set, of individuals, objects, or event
asked by mysterychicken 
Finite Math Please help!
Hi, I'm having trouble finding the overall output. output at A is pq output at B is ~q+r output at C is ~p(~q+r) What is is the overall output? I'm having trouble getting the EXACT answer with parethesis. Please help!! Thanks and God Bless!!
asked by Lisa 
English
Thank you very much, Ms Sue. I left out a few other sentences. Could you please check them, too? I need them for tomorrow. 1) Numerous militants also chained themselves to railings and hit and spit at policemen. In 1911 the protests slowly became more
asked by John