Questions Asked on
September 15, 2014

physics
You are driving to the grocery store at 20 m/s. You are 110 m from an intersection when the traffic light turns red. Assume that your reaction time is 0.70 s and that your car brakes with constant acceleration. How far are you from the intersection when
asked by chidimma 
Physics
An attacker at the base of a castle wall 3.95 m high throws a rock straight up with speed 5.00 m/s from a height of 1.50 m above the ground. (a) Will the rock reach the top of the wall? (b) If so, what is its speed at the top? If not, what initial speed
asked by Lorine 
Science(Stuff to do like with magnets!)
1. A positively charged test object is moving toward the positive source charge in an electric field. What happens next??? A. its potential energy decreases. B. Its potential energy increases. C. Its potential energy stays the same. D. Its potential energy
asked by Guest user 
Language Arts
3. Which statement best expresses a central theme of ''The Story Teller''? A. People with no children to care for are usually better at handling children. B. It is important to instruct children about right and wrong at all times. C. The best way for
asked by Amber 
Chemistry
1. Aluminum reacts with oxygen to produce aluminum oxide which can be used as an adsorbent, desiccant or catalyst for organic reactions. 4Al(s) + 3O2(g) → 2Al2O3(s) A mixture of 82.49 g of aluminum ( Picture = 26.98 g/mol) and 117.65 g of oxygen (
asked by Tim H 
Chemisty
a) Calculate the number of moles in 17.8 g of the antacid magnesium hydroxide, Mg(OH)2. b) A 0.850mole sample of nitrous oxide, a gas used as an anesthetic by dentists, has a volume of 20.46 L at 123°C and 1.35 atm. What would be its volume at 468°C and
asked by Valeria 
Language Arts
1. In ''The Story Teller,'' the bachelor says that Bertha was ''horribly good.'' What do you think this term means? A. She is so good that she deserves three medals. B. She is horriblelooking but is very well behaved. C. Being good is a horrible quality.
asked by Amber 
physics
A helicopter weighs 3920 newtons, caculated the force on it if it is ascending up at a rate of 2m/s squre ,what wil b force on helicopter if it is moving up with the constant speed of 4m/s .
asked by sam 
Chemistry
A laser produces 15.0mW of light. In 3.00hr , the laser emits 4.53×1020 photons. What is the wavelength of the laser?
asked by Anonymous 
World HistoryPlease, help me! (Ms. Sue)
1. What were the major beliefs of Judaism and how did they influence Western culture? A: The major beliefs of Judaism were monotheism and righteousness. These Jewish beliefs became markers of the Western tradition: human beings are separate from nature and
asked by Victoria 
math
Suppose someone gives you 8 to 2 odds that you can not roll two even numbers with the roll of two fair dice. This means you win $8 if you succeed and you lose $2 if you fail. What is the expected value of this game to you? Should you expect to win or lose
asked by Alex 
Chemistry
a) Ammonia, an important source of fixed nitrogen that can be metabolized by plants, is produced using the Haber process in which nitrogen and hydrogen combine. N2(g) + 3H2(g) → 2NH3(g) How many grams of nitrogen are needed to produce 325 grams of
asked by Uma 
chem
which nuclides would you expect to be stable? a) 48K b)79Br c)Argon32
asked by jasmine 
Math 221 Week3
A distribution center receives shipment of a product from three different factories in the quantities of 60, 35 and 25. Three times a product is selected at random, each time without replacement. Find the probability that (a) all three products came from
asked by Carolyn 
CalculusMath
The ordering and transportation cost C for components used in a manufacturing process is approximated by the function below, where C is measured in thousands of dollars and x is the order size in hundreds. C(x) = 12((1/x)+((x)/(x+3))) (a) Verify that C(2)
asked by Karen 
Chemistry
An electron has an uncertainty in its position of 611pm. What is the uncertainty in its velocity?
asked by Anonymous 
English
Please check my answer. I'm not sure which is right because I'm pretty sure every father feels the need to do all of the below. Read the following sentence from "No Dogs Bark." "I'll get you to Tonaya. There I'll find somebody to take care of you. They say
asked by jaycee 
Math 221 Week3
A probability experiment consists of rolling a 6 sided die. Find the probability of the event below: rolling a number less than 3? The probability is
asked by Carolyn 
Math
explain whether the following given are closed under addition: B={0, 1} T={0, 4, 8, 12, 16, ...} F={5, 6, 7, 8, 9, 10,...} {xx E W and x>100}
asked by Kali G 
Language Arts
2. Which event propels the action in ''The StoryTeller''? A. A woman is traveling with three children. B. The aunt invites Cyril to look out the window at the animals and fields they are passing. C. The man disagrees with the aunt's story, and she invites
asked by Amber 
5th grade math
Joan has a cafe. Each day she bakes 24 muffins. she gives away 3 and sell the rest. Each day, she also bakes 36 bagels. she gives away 4 and sells the rest. write an expression to represent the total number of muffins and bagels joan sells in 5 days.
asked by Mythreyee 
chemistry
If 125 cal of heat is applied to a 60.0g piece of copper at 23.0∘C , what will the final temperature be? The specific heat of copper is 0.0920 cal/(g⋅∘C) .
asked by gabriel 
chemistry
Three solutions 56.0 mL of 0.2 M KNO3; 57.0 mL of 0.6 M Ca(NO3)2; and 57.0 mL of 0.325 M KCl were poured together to make one new solution. What is the concentration of Cl− after mixing?
asked by selom 
statistics
5. A soft drink dispensing machine uses paper cups that hold a maximum of 12 ounces. The machine is set to dispense a mean of 10 ounces of the drink. The amount that is actually dispensed varies. It is normally distributed with a standard deviation of one
asked by Sarah 
Social Studies
Politics most informs a person's actions in? A.civic life B. work life C. private life D. school life
asked by chris 
Physics
A projectile is launched with an initial speed of 80.0m/s at an angle of 40 degrees above the horizontal. The projectile lands on a hillside 3.80s later. Neglect air friction. What is the projectile's velocity at the highest point of its trajectory? What
asked by Priya 
MathPLEASE help me
If the absolute value of a negative number is 2.78, what is the distance on the number line between the number and its absolute value? Explain your answer.
asked by Sam 
Organic Chemistry
Label each reactant according to it role or roles in the chemical reaction? Two different (OH) + (HBr) > (HOH) + (Br) (OH) + (H3CBr) > (H3COH) +(Br) Lewis base, bronsted base, nucleophile, lewis acid, bronsted acid, nucleophile
asked by Jess 
chemistry
kilojoules released when 80.0g of steam condenses at 100 ∘C and to cool the liquid and freeze it at 0 ∘C I used the formula for condensation/ evaporation( 80.0g(2260)1kJ/1000J=632.8) and then i used the formula for heat of
asked by karen 
physics
⦁ A ball thrown horizontally at 25 m/s travels a horizontal distance of 50 m before hitting the ground. From what height was the ball thrown?
asked by chidera 
Statics
A former student of mechanics wishes to weigh himself but has access only to a scale A with capacity limited to 100 lbs and a small 24lb spring dynamometer B. He discovers that when he exerts a pull on the rope so that B registers 22 lb, the scale A reads
asked by Bryan 
accounting
Wallace Inc., a developer of radiology equipment, has stock outstanding as follows: 30,000 shares of cumulative preferred 2% stock, $90 par and 125,000 shares of $10 par common. During its first four years of operations, the following amounts were
asked by Anonymous 
World History Answer Check (Ms. Sue)
1. What is the Socratic method and what is its legacy? A: The Socratic Method is a form of inquiry and debate, usually via rhetorical questions, between two or more individuals of opposing perspectives that aims to stimulate critical thinking and either
asked by Victoria 
Scientific Literacy
6) A scientist at a chemical company designs and conducts an experiment to determine if a chemical made by the company is harmful to crops. To do this, he sprays the chemical on three plants he has in the laboratory. None of the plants survive. The
asked by BellaNina865 
Chemistry
A 100watt lightbulb radiates energy at a rate of 100 J/s (The watt, a unit of power, or energy over time, is defined as 1 J/s). If all of the light emitted has a wavelength of 500nm, how many photons are emitted per second? (Assume three significant
asked by Anonymous 
math
When this 3 digit number is rounded to the nearest hundred, it rounds to 300. The digit in the ones place is 4. The sum of the digits in the 3 digit number is 11. What is the number?
asked by meme 
Can't folloe links, help please
Wilkinson’s expedition was the first to report __________. A.a description of what life was like in Oklahoma B.the presence of oil in Oklahoma C.the discovery of the Red River headwaters D.an illustration of the Rocky Mountains I can't follow links, but
asked by Katt 
5th grade math
vidal bought 2 pizzas and cut each into 8 slices. he and his friends ate 10 slices. write an expression to match the words.
asked by Mythreyee 
Math
Write a word problem using 9 and 10 as factors. Write an equation to solve the problem
asked by Bryce 
physics
divers compete by diving into a 3.0m deep pool from a platform 10m above the water's surface. what is the magnitude of the minimum acceleration in the water needed to keep a diver from hitting the bottoms of the pool?assume the acceleration is constant.
asked by chiamaka 
Math Problem (please help)
Find all the zeros of the function. (Enter your answers as a commaseparated list.) f(x) = (x + 3)(x − 7)2 X=
asked by Ada 
Physical Science
Why does a glass filled with a cold beverage seem to sweat? a. saturation always results in sweat on wet object. b. the cold glass adjacent air to saturation, which is followed by condensation of water vapor. c. when cold, water molecules can move through
asked by Barbara 
Social Studies
which of these actions would most help a worker improve her productivity? A. finding a new job in a different field. B. taking a training course related to her job. C. buying a laptop computer for home use D. asking her employer to give her a raise i think
asked by chris 
Chemistry
How much heat will be released when 0.750 moles of carbon monoxide (CO) react in an excess of oxygen gas? 2CO(g) + O2(g) ¨ 2CO2(g) + 566 kJ
asked by Summer 
Science
The geologic time scale originally ordered earth's rocks by? a) Absolute age. b) Relative age. c) Composition. d) Decades and centuries.
asked by Sarah 
World History Answer Check
1. What were the major beliefs of Judaism and how did they influence Western culture? A: The major beliefs of Judaism were monotheism and righteousness. These Jewish beliefs became markers of the Western tradition: human beings are separate from nature and
asked by Victoria 
chemistry
which of the following is true regarding the inner transition elements? A. their valence electrons can be located in both s and f sublevels B. They occupy the d block of the periodic table C. These include the lanthanides and actinides and do not have f
asked by Yui 
Physics
An attacker at the base of a castle wall 3.95 m high throws a rock straight up with speed 5.00 m/s from a height of 1.50 m above the ground. (a) Will the rock reach the top of the wall? (b) If so, what is its speed at the top? If not, what initial speed
asked by Lorine 
chemistry
Nickel is about 2 millimeter thick or 2/1000 of a meter.how many nanometer is this?
asked by Anna 
math
This is a floor plan of a building that is 8m tall. It has a flat roof. What is the surface area of the building including the roof. The floor plan is starting from the left the side is 18m the bottom is 27m the right side is 22m. The top looks weird
asked by Catherine 
Chemistry
A proton in a linear accelerator has a de Broglie wavelength of 115pm. What is the speed of the proton?
asked by Anonymous 
calculus
Can you help me solve this problem? I really don't know what to do. I solve problems like for example the rate of change of the elevation but I just encountered this kind of problem so I really don't know what to do. Please help me The endpoints of a
asked by y 
geography
what are some differences between the equator and the prime meridian?
asked by karson 
Analytical CHM
Calculate the theoretical amounts of 0.1000 M NaOH titrant used to titrate 0.8 and 0.9 g KHP Please show step by step solution , i need the correct significant figures and units to finish up the rest of the lab correctly i found the answer but for some
asked by Jessy 
Social Studies
how are interest rates and wages similar? A. both rise due to inflation B. both are types of prices. C. both relate to the cost borrowing D. both are payment for work done i think B
asked by chris 
Social Studies
Pete's peanuts wants to grow its overall prouctivity.which investment would best help the company achieve this goal? A. a larger building to store its peanuts. B. better advertiements for its products. C. new uniforms for company employees. D. an improved
asked by chris 
algebra
A radiator contains 6 liters of a 25% antifreeze solution. How much should be drained and replaced with pure antifreeze to produce a 33% antifreeze solution?
asked by tor 
History
According to the AdamsOnís treaty, Spain gave up claims to the __________ Territory. Texas?
asked by Katt 
Math
Two boats leave whitby harbour at the same time one boat heads 18 km to it's destination and the other boat heads 11 km to its destination. If the boats headed on a course 70 degrees apart, what is the distance between the boats ?
asked by Aly Baldwin 
Physics
Stephanie serves a volleyball from a height of 0.78 m and gives it a initial velocity of +6.6 m/s straight up. (1): How high will the volleyball go? The acceleration of gravity is 9.81 m/s^2. (2): How long will it take the ball to reach its maximum height?
asked by Tomas 
History
What accounts for the rather late emergence of African countries as independent nationstates? Is there something peculiar about Africa that delayed its drive for independence? (Begin with a specific African country and argue your case.)
asked by Kathy 
science
2.750 g of copper(II) oxide, CuO2, was reduced by heating at high pressure with excess hydrogen to yield 2.196 g of copper Cu.
asked by anthony young 
Business Law
wilken owes rivera $2000. howie promises wilken that he wiol pay rivera the $2000 in return for wilken's promise to give howie's children guitar lessons. is rivera an intended beneficiary of the howiewilken contract?
asked by Duane 
Pre Calculus
A motorboat travels 48 miles down a river in the same time it takes to travel 32 miles up the river. If the rate of the current is 4 miles per hour that is the rate of the boat still water?
asked by Jody 
physics
A tennis ball is struck and departs from the racket horizontally with a speed of 26.4 m/s. The ball hits the court at a horizontal distance of 18.4 from the racket. How far above the court is the tennis ball when it leaves the racket?
asked by S 
Math
If the absolute value of a negative number is 2.78, what is the distance on the number line between the number and its absolute value? Explain your answer. **I think it would be 2.78 because isn't the absolute value the distance from zero? So wouldn't it
asked by Sam 
Physics
You snap your fingers at the open end of a 1 meter long tube that is closed at the other end. With a microphone at the open end, you determine that it takes 5.8msec between the time you snap your fingers and the echo from the closed end is detected. Based
asked by Bryan 
8th grade math
what is 5² / 5⁵ = ? other options are: a) 5¹ b) 5³ c) 5⁴ d) 5² **** Is 5² right?
asked by Maggie O'Neal 
algebra
A plane leaves Chicago headed for LA at 540 mph. One hour later, a second plane leaves LA headed for Chicago at 660 mph. If the air route from Chicago to LA is 1800 miles, how long will it take for the first plane to pass the second plane? How far from
asked by tor 
college algebra
An executive invests $29,000, some at 8% and some at 4% annual interest. If he receives an annual return of $1,680, how much is invested at each rate?
asked by Anonymous 
Physics
An electron has an initial speed of 2.24 × 10^5 m/s. If it undergoes an acceleration of 2.2 × 10^14 m/s^2, how long will it take to reach a speed of 5.37 × 10^5 m/s
asked by Antoine 
History
The journals collected from the LongBell expeditions revealed information about the geography, wildlife, and __________ of Oklahoma. precious metals?
asked by Katt 
chemistry
A hypothetical element has three main iso topes with mass numbers of 81, 83, and 84. If 17.00% of the isotopes have a mass number of 81 amu and 35.00% of the isotopes have a mass of 83 amu, what atomic weight should be listed on the periodic table for
asked by chanel 
Social Studies
I am doing the 5th grade final lesson for Unit 1 on Social Studies, and i would like to know if there are any main points i should focus on in the printing press,Internet, or computer.
asked by Classified 
Science
How should the solution of the (Fe(H2O)5(SCN)2+ complex be disposed of?
asked by Okafor 
Math
Lola is placing appetizers on plates She has 63 spring rolls and 84 cheese cubes She wants to include both appetizers on each plate Each plate must have the same number of spring rolls and cheese cubes. What is the greatest number of plates she can make
asked by S 
English
What is the relationship between literature and place in these narratives "from A Journey Through Texas" and "form of Plymouth plantation"
asked by Tiffany 
Intro to chemistry
a salt solution has a density of 1.15 g/mL and a volume of 0.425L. what is the mass in kg of this solution? I just need to know how to do it period
asked by Gage 
algibra1
One side of the triangle is twice as long as the second side. The remaining side is 4cm greater than the second side. The perimeter of the triangle is 24cm.Find the length of each side of the triangle.
asked by michael 
World History Answer Check (Ms. Sue)
1. What were the major beliefs of Judaism and how did they influence Western culture? A: The major beliefs of Judaism were monotheism and righteousness. These Jewish beliefs became markers of the Western tradition: human beings are separate from nature and
asked by Victoria 
Settlement
One goal the French and Spanish colonists had in common in the New World was Answer developing the fur trade. establishing stable governments. converting the Native Americans. searching for gold and other precious metals.
asked by Anonymous 
PreAlgebra
A recipe asks for 1 1/2 cups of chocolate chips for 60 cookies. How many cups would be needed for 36 cookies?
asked by caden Hastings 
computer science
Which of the following is a type of software program used to write code and develop other programs. A: a command line interpreter B: the turtle graphics window C: an operating system D: an integrated development environment Please help asap!
asked by Skye 
math
a living room measure 450 x 330cm. find the dimension of the largest square tile that can be used to tile the floor without cutting
asked by jay 
Statistics
Are my answers correct? Thanks! 1.) Based on a survey of a few thousand people, a newspaper reporter wants to draw conclusions about how a country’s citizens in general feel about the war in Iraq. At this point, is the reporter mainly concerned with data
asked by Andrew 
geometry
if there are twelve turtles in the pet store, what is the probability that a turtle chosen at random will weigh more than the median turtle weight?
asked by Makayla 
Physics
A motor scooter rounds a curve on the highway at a constant speed of 25.0 m/s. The original direction of the scooter was due east; after rounding the curve the scooter is heading 28 degrees north of east. The radius of curvature of the road at the location
asked by Emily 
Physics
a 5 kg bucket is lowered by a rope in which there is 30 N of tension. What is the acceleration of the bucket?
asked by Chang 
Organic Chemistry
Consider the resonance structures for the carbonate ion. OCO() l O() ()OCO l O() ()OCO() l l O How much negative charge is on each oxygen of the carbonate ion? A)0, B) .33, C).50, D) .67, E)1.00, F)1.33, G)1.50, H)1.67, I)2.00 What is
asked by Jess 
algebra
A triangle has a perimeter of 161 miles. The length of each of the two shorter sides of the triangle is two thirds the length of the longest side. Find the length of each side of the triangle.
asked by tor 
Math
There are 8 plates. Jamie puts 9 strawberries on each plate. How many strawberries are on the plate?
asked by Bryce 
History
What were some of the biggest/hardest challenges faced by Zebulon Pike and James Wilkinson? Thanks, I do not know and cannot really follow links due to parental restrictions.
asked by Katt 
chemistry
What type of reaction does the following equation represent? AgNO3 + NaCl > AgCl + NaNO3 A. Singledisplacement reaction B. Synthesis C. Combustion D. Doubledisplacement reaction
asked by Yui 
Social Studies
how are interest rates and wages similar? A. both rise due to inflation B. both are types of prices. C. both relate to the cost borrowing D. both are payment for work done i think B
asked by chris 
history
The established church in the Southern colonies was? the Anglican Church right? The most important cash crop in colonial Virginia was? tobacco right? Roger Williams believed wholeheartedly in A. extermination of all Native Americans B. complete separation
asked by Anonymous 
chemistry
how much copper sulphate will require saturating 80 grams of water at 20 degree celcious .if solubility of copper sulphate at 20degree celcious is 25?
asked by diwas pathak 
Art
In the image, Green Wheat Fields, Auvers by Vincent van Gogh, which of the following elements was not used to create the principle of harmony? A. Colors B. Form C. Line D. Texture Is the answer B?
asked by Gwen 
chemistry
Please identify the acid and the base in this equation. HClO + NaOH = NaClO + H2O Thank you!
asked by Sierra 
World History (Ms. Sue)
What were the major beliefs or Judaism and how did they influence Western culture?
asked by Victoria 
Physics
A high fountain of water is located at the center of a circular pool as in Figure P1.41. Not wishing to get his feet wet, a student walks around the pool and measures its circumference to be 34.0 m. Next, the student stands at the edge of the pool and uses
asked by David Ayo 
math
You fire your potato gun horizontally from shoulder height, which is 190 cm above the ground. The potato strikes the ground 30 m away from you. What was the initial speed of the potato?
asked by sonya 
algebra
An investment of $4600 is made at an annual simple interest rate of 6.8%. How much additional money must be invested at an annual simple interest rate of 9% so that the total interest earned is 8% of the total investment?
asked by tor 
Phsics
A crate weighing 600. N is being pulled across the floor. You pull up and to the right on a rope which is attached to the crate. You exert a force of 155 N at an angle θ=29.0° above the horizontal.
asked by Paige 
Algebra
A manufacturer of tin cans wishes to construct a right circular cylindrical can of height 20 centimeters and capacity 2600 cm^3 (see the figure). Find the inner radius r of the can. (Round your answer to one decimal place.) r = cm
asked by Ems 
Science
What are two examples of Mutualism, Commensalism and Parasitism?
asked by Hayden 
physics
Olympic diver Matthew Mitcham springs upward from a diving board that is 3.20 m above the water. He enters the water at a 73.0 degree angle with respect to the water surface, at a speed of 9.36 m/s. Determine the magnitude of his initial velocity.
asked by PLEASE HELP 
physic
An insulating solid sphere of radius a = 0.5 m. If the sphere carries a total positive charge of 15 nC, calculate the magnitude of the electric field at r = 0.2 m from the center of the sphere.
asked by johnny vrl 
Math
A ramp long rises to a platform. The bottom of the platform is from the foot of the ramp. Find , the angle of elevation of the ramp. Round your answer to the nearest tenth of a degree.
asked by Anonymous 
World History Answer Check
1. What were the major beliefs of Judaism and how did they influence Western culture? A: The major beliefs of Judaism were monotheism and prophets. These Jewish beliefs became markers of the Western tradition: human beings are separate from nature and must
asked by Victoria 
Math
Find the distance between points (6, 16) and (–1, 14) to the nearest tenth
asked by Ryan 
algebra
Three people decide to share the cost of a yacht. By bringing in an additional partner, they can reduce the cost to each person by $4000. What is the total cost of the yacht?
asked by tor 
Psychology
Carrie is a fifth grader at Gorrie Elementary school—a school near an affluent neighborhood in a suburb of a major city. Carrie, who lives with her divorced mother—a high school dropout with a steady job as a minimum wage housekeeper—seems to have
asked by Shirine 
physics
⦁ A criminal is trying to escape across a rooftop and runs off the roof horizontally at a speed of 4.9 m/s, hoping to land on the roof of an adjacent building. Air resistance is negligible. The horizontal distance between the two buildings is D, and the
asked by chidera 
PLEASE CHECK ASAP!
Thanks for checking 1.D 2.C 3.B 4.C 5.C 1.According to "Michael Faraday's World," which intrigued Michael Faraday? A.automobiles B.airplanes C.photography D.batteries 2.How are the operating room in the Williams story and the atomsplitting lab in the
asked by Matt 
Math
The speed of the current in a stream is 4 mi/hr. It takes a canoeist 96 minutes longer to paddle 13 miles upstream than to paddle the same distance downstream. What is the canoeist's rate in still water?
asked by Kyle 
Chem
41. How much heat energy must you use to raise the temperature of 100 grams of water from 60C to 70C. Show your calculations. 42. You have a pot of 100C liquid water. If you add heat to the water, will the temperature start to raise at once? why or why
asked by Sierra 
Math
Janelle won 27 tickets at the fair. She traded the tickets in for 9 prizes. each prize was worth the same number of tickets. How many tickets was each prize worth?
asked by Bryce 
5th grade math
the park family is staying at a hotel near an amusement park for 3 nights. the hotel costs $129 per night. how much will their 3night stay in the hotel cost.
asked by Mythreyee 
math
amos has 12 action , 15 comedy,. and 9 drama dvds, find the ratio of action dvds to the total number of dvds.
asked by Angel 
Math help
Explain whether the following given are closed under addition: {xx ¸ W and x>100}
asked by Kali 
Math
what is the baseten numerals for eleven hundredths
asked by Vernon 
Physics
An industrial die machine is used to stamp out holes in pieces of sheet aluminum. the die strikes the surface of the street of metal at a speed of 10 m/s, passes through the 0.635 cm thick sheet, reverses its direction, and is again moving at 10 m/s as it
asked by JuYoung 
physics
⦁ Find the resultant vector (magnitude and direction) for the sum of: vector A which has magnitude 365 N at 48° south of west, vector B which has magnitude 224 N at 26° south of east, and vector C which has magnitude 488 N at 12° west of north.
asked by chiamaka 
Math 221
A distribution center receives shipment of a product from three different factories in the quantities of 60, 30 and 20. Three times a product is selected at random, each time without replacement. Find the probability that (a) all three products came from
asked by Carolyn 
real no
Prime factors of 23150 . It is unique
asked by aman 
physics
A tennis ball is struck and departs from the racket horizontally with a speed of 26.4 m/s. The ball hits the court at a horizontal distance of 18.4 from the racket. How far above the court is the tennis ball when it leaves the racket?
asked by S 
physics
You stand at the edge of a cliff, holding a ball out over the edge. You give the ball an initial velocity of 7.00 m/s straight up, releasing the ball when it is 17.0 m above ground level (the level of the ground at the base of the cliff). Use g = 10.0
asked by Hannah 
Math
A pizza box with a square base is to be made from a rectangular sheet of cardboard by cutting six 1inch squares from the corners and the middle sections and folding up the sides (see the figure). If the area of the base is to be 144 in^2, what size piece
asked by Ash 
business finance
I am in need of some major help. Your small business needs to buy new office furniture for your new headquarters. You have the option of leasing the furniture, or buying the furniture. You can purchase the furniture for $15,000 per year, or lease the same
asked by Tasha 
physics
What is the ball's rebound speed on its first bounce?
asked by Anonymous 
math
Simone rents a compact car that gets 31 miles per gallon. When she rents the car, the price of a gallon of gas is $3.10. The cost C of the gas used to drive the car is a function of the number of miles x that the car is driven. The cost of renting the car
asked by Rose 
Biology
How are the hydrogen bonds broken during DNA replication? Is it done by the DNA polymerases?
asked by Anonymous 
Math Problem (please help)
Consider the following function. g(x) = 6x^4 − 13x^3 − 144x^2 + 325x − 150 (a) Use the zero or root feature of a graphing utility to approximate the zeros of the function accurate to three decimal places. (Enter your answers as a commaseparated
asked by Ada 
Organich Lab Help Please!!!!!!!!
You use 100 ml ethylchloride (density 0.92 g/ml) to extract 25 ml ethylene bromohydrin (density 2.41 g/ml) mixed with 100 ml of water. Is the aqueous layer the lower or the upper layer. How could you easily test this. You dissolve sodium chloride 40g. in
asked by Anonymous 
chemistry
A Biology student wants to know if Mountain Dew will make plants grow faster than water. As a Chemistry student, you have agreed to assist in the planning of the experiment to make sure the student designs a valid experiment. 1) What is the experimental
asked by eer 
Math
It's greater than 700 000 The sum of all it's digits is 14 It has no zeros The hundreds digit is 3
asked by Anonymous 
Social Studies
which of these people is an example of an entrepneur? A. Malia started selling jewelry she made in an online store. B. Liam found a summer job walking dogs in his neightborhood. C. Pavel worked hard to learn to speak a foreign language. D. Ophelia took
asked by chris 
Science
Which of the following is the longest divison of the geologic time? a) Period b) Epoch c) Era d) Year I have already looked in my book, I cant figure it out. Can somebody help me?
asked by Sarah 
History, Ms. Sue Please.. Or Damon
According to the AdamsOnís treaty, Spain gave up claims to the __________ Territory. Texas? Ms. SUe, I asked this question earlier and it was said Florida.. My dilemma, and what is confusing most to me, Florida is not an option.. Oregon, Colorado, Texas,
asked by Katt 
Chemistry 400/ Chem 1A
A chemist mixes 5.216 g of potassium permanganate, 2.318 g of ethanol, and excess sulfuric acid. These chemicals react as follows: 4 KMnO4 + 5 C2H5OH + 6 H2SO4 > 4 MnSO4 + 5 CH3COOH + 2 K2SO4 + 11 H20 What mass of sulfuric acid is consumed in this
asked by Joey 
Physics
What is the work needed to lift 15kg of water from well 12m deep. Assume the water has a constant upward acceleratin of 0.7m/s^2?
asked by Nelida Jada 
Physics Help
An airport tram carries passengers between two terminal buildings 500 m apart. The tram starts from rest and accelerations at 1.5 m/s^2 for 20 m. It then travels at a constant velocity for 450 m. Finally, it slows down for 30 m at an acceleration of 1
asked by Josh 
math
The differnce of two numbers is 2 the difference of their squares is 20 find the numbers
asked by kevin 
Languages/Linguistics
for these three characteristics of language: arbitrariness, displacement, and productivity we have to explain what would happen to our language if we lose one of these characteristics. ie. what would our language obtain, how would our communication be
asked by Hera 
alg 2
PLEASE SOLVE 9 LESS THAN OR EQUAL TO Y + 5X IS LESS THAN OR EQUAL TO 14
asked by nino 
Maths
ABCD is a cyclic quadrilateral.If AB=CD,prove that angle b=angle c
asked by Sudip 
Chemistry: Please Help!!
39. Explain why sweating cools you down in terms of molecular kinetic energy. 40. You take a pizza out of the oven and let it cool briefly. When you bite into it, the crust is not too hot but the cheese burns your mouth. Explain why this happens in terms
asked by Sierra 
pre calc
A jeweler wants to make a 1 ounce ring composed of gold and silver, using $200 worth of metal. If gold costs $6000 per ounce and silver is $50 per ounce, how much of eat metal should she use?
asked by Jody 
Economics
Country A is producing 4 units of X and 8 units of Y and country B is producing 4 units of X and 6 units of Y. The opportunity cost of producing more of A) good X is the same for both countries. B) good Y is the same for both countries. C) good X is lower
asked by Frank 
Maths
What point is the apex of a bridge?
asked by Chloe 
business finance
please point me in the right direction to begin. Thanks! Your small business needs to buy new office furniture for your new headquarters. You have the option of leasing the furniture, or buying the furniture. You can purchase the furniture for $15,000 per
asked by Tasha 
algebra
17 = 13  8x
asked by shy gurl 
history
4. The Puritans viewed themselves as creating A. an ideal Christian community to be copied by others B. a prestigious university for training ministers C. an English colony identical to the lifestyle in England D. a haven for persecuted religious
asked by Anonymous 
Statistics
Are my answers correct? Thanks! 1.) Based on a survey of a few thousand people, a newspaper reporter wants to draw conclusions about how a country’s citizens in general feel about the war in Iraq. At this point, is the reporter mainly concerned with data
asked by Andrew 
Pre Calc
A bus trip of 90 miles would have taken an hour less if the usual average speed had been increased by 3 miles per hour. Find the usual average speed of the bus.
asked by Jody 
science
calculate the mass in mg of solid chromium nitrate needed to make 250 ml of an aqueous solution with a pH OF 4.00. The Ka of [cr(H2O)6]+3 IS 1.0*104.
asked by ashok 
statiatics central tendency
The Frequency distribution of a histogram is the following scores: X F 1 1 2 1 3 2 4 1 1) what is the total area in the histogram? 2) what is half the area in the histogram? 3) Assume that the scores are measurements of a discrete variable. Find the
asked by Aurora 
Math
My teacher says to create a St. Ives poem and solve it, but I don't know what to do. Help?
asked by Sora 
chemistry
The observation for three materials shows: Material A absorbs all the visible light (opaque) Material B is transparent to all the visible light (transparent) Material C absorbs blue light but is transparent to red light. (Blue light has wavelength 0.4 m,
asked by Chandu 
physics
The observation for three materials shows: Material A absorbs all the visible light (opaque) Material B is transparent to all the visible light (transparent) Material C absorbs blue light but is transparent to red light. (Blue light has wavelength 0.4 m,
asked by Chandu 
physics
⦁ An arrow is shot with speed 36.0 m/s at an angle of 24.0° above the horizontal. Assuming the archer was on level ground, find the maximum height and the range.
asked by chidera 
physics
Need quick help with this question. Is electric force directly proportional to 1/r or 1/r^2?
asked by maura 
Math (Ms. Sue! Anyone!)
1)At 1 p.m., Lin records an outside temperature of –14.8°F. At 3 p.m... she records the outside temperature and notices the temperature had increased by 22.6 degrees. What was the temperature that she recorded at 3 p.m.? ( no multiple choice) *confused
asked by Anonymous 
english
which is the best thesis A. Because air pollution is of serious concern to people in the world today, many countries have implemented a variety of plans to begin solving the problem. B. So far, research suggests that zeroemissions vehicles are one
asked by britt 
math
A train is going directly South at 60 mph. An actionmovie star is atop the train, running North at 6 mph. Relative to someone standing on the ground, how fast is the actionmovie star moving, and in what direction? North is positive and South is negative.
asked by sonya 
History
A major goal and outcome of the Lewis and Clark expedition was the expansion of the __________ trade. Fur?
asked by Katt 
Chemistry: Please Help!!
37. Lake Michigan is a very large, very deep body of water, located in a region of the United States that gets quite cold in winter. On the coldest day of last year, what was the temperature at the bottom of the lake. Explain your answer in terms of
asked by Sierra 
Physics Help
On a dare, you decide to try bungee jumping. You fall freely you are moving at 15 m/s downward. At that point the cord begins to stretch. The cord slows you to a stop as it stretches, then pulls you back upwards. When the cord is no longer pulling on you,
asked by Kim 
Science
To determine Kf you will need to know the total concentration of Fe3+ and SCN present in the solution. calculate these concentration and record them in the result.(show your working for one of the example.
asked by Okafor 
Math using quadratic equation
The freight train runs 12miles per hour than a passenger train. It runs 65miles in the same time that the passenger train runs 165miles find the rate of each train. I don't really know the formula using quadratic im sorry
asked by Jenn 
chemistry 1045L
The volume of a sphere is given by V=(4)(3.14)(r^3)/3 where r is the radius of the sphere. what is the density in g/mL of a sphere which weighs 2.00lb and has a radius of 3.50 inches?
asked by Angel 
Physics
16. A Nile cruise ship takes 21. 0 h to go upstream from Luxor to Aswan, a distance of 208 km, and 19.8 h to make the return trip downstream. Assuming the ship’s speed relative to the water is the same in both cases, calculate the average speed of the
asked by Emily 
Ramayana in english subject
what are the two boons that kaikeyi asked from king Dasaratha
asked by erl jhon 
chemistry
A hypothetical pure element consists entirely of two isotopes. The natural percent abun dance of theisotopewithmass 25.4 uis 82.6%. The other isotope has mass 29.5 u. Calculate the atomic weight of the naturally occurring element.
asked by chanel 
Pure Chemistry
At 27 degrees celcius, nitrogen has a volume of 650cm^3 under a pressure of 980mmHg. What would be its volume at the same temperature but at a pressure of 760mmhg ?
asked by Richaj 
Chemistry
At 27 degrees celcius, nitrogen has a volume of 650 cm^3 under a pressure of 980 mmHg. What would be its volume at the same temperature but at a pressure of 760 mmHg?
asked by Richaj 
universityofphoniex
need help on finding research on health care innovacation
asked by becky 
Algebra
Use the quadratic formula to solve the equation for x in terms of y and y in terms of x. (Enter your answers as a commaseparated list. If there is no solution, enter NO SOLUTION.) 2x^2 + 7xy + 1 − y^2 = 0 y in terms of x y =
asked by Liam 
statistics
Calculate the probability of withdrawing 13 balls of yellow color in 16 draws from a bag of 93 balls having 38 red, 34 yellow and 21 pink balls.
asked by rts 
Science
Propose a series of concentration to be used for calibration curve. If an unknown solution produced a result outside the range of the calibration curve, how could this be solved?
asked by Okafor 
Math using Quadratic equation
The area of a square is 196cm2(squared), find the measure of one side. Thank you,, this is my assign. In math1, im using the formula A=s*s but i need to solve this using quadratic equation.
asked by Jenn 
statistics
4.2. A new drug that treats patients with anxiety has a 60% success rate in improving the patient’s condition. For a random sample of eight patients taking this drug, determine the probability that: 4.2.1. Four patients have improvement in their
asked by shahistha 
math
1)At 1 p.m., Lin records an outside temperature of –14.8°F. At 3 p.m... she records the outside temperature and notices the temperature had increased by 22.6 degrees. What was the temperature that she recorded at 3 p.m.? ( no multiple choice) *confused
asked by Anonymous 
History of old Europe
The Middle Ages began with the collapse of... A. Renaissance. B. Roman Empire. C. Kingdom of Mali. D. Tang dynasty. My answer A Why did the system of feudalism arise drink ht eMiddle Ages? A. to develop an economic system b. to determine jobs within city
asked by dddd47906 
Math
If I want to reflect f(x) = 3x + 5 over the xaxis, would the new equation be f(x) = 3x  5? Or is it f(x) = 3x  5?
asked by Anonymous 
chemistry
If an irregular object displaces 10mL of water within a graduated cylinder and its density is known as 2.5 g/mL. What is the mass of the object?
asked by shamim 
ENGLISH 1
How is H. G. Wells’ fictional world in War of the Worlds similar to the real world?
asked by ENGLISH HELPPPP 
Biology
The function of a protein is determined by its ? Answer: shape The shape of a protein is determined by the ? of its ? ? First answer : ? Second two answers : primary structure
asked by Please help 
Chemistry
B. Could nonpolar nitrogen molecules and polar water molecules form bonds with one another? if so, what kind? C. Given your answer to B above, do you think that there is a great deal of N2 dissolved in the oceans, a small amount, or none at all?
asked by Sierra 
English Classification Essay
I have a lot of holes where I need to look up some research, but can you give me some feedback on the following classification essay: P.J. O'Rourke said, “We loved cars until the 70's or so, they then became appliances. What began as pleasure became a
asked by C 
statistics
Calculate the Pearson’s correlation coefficient Assessed value (R’000) Selling price (R’000) 116 185 160 246 144 236 103 162 205 300
asked by shahistha 
Science
Where did scientist get information to develop the geologic time scale? a) They collected and studied rock samples in Africa. b) They studied rock layers and index fossils around the world. c) They conducted research at libaries. d) They didn't have any
asked by Sarah 
statistics
Air travel is probably not as fun as it used to be. Airlines have increased fares, reduced seat size, and now charge fees for everything from luggage to early boarding. Airlines can be fined by the federal transportation agencies for various "infractions".
asked by Lupe 
math, algebra
If a and b are integers, when is 1/a positive?
asked by need help 
math
can a forest that is 9/10 acre be divided into an even number of plots hat are 1/7 acre? explain how you know
asked by quinn 
history
what was the puritan ultimate source of authority? it was the bible right?
asked by Anonymous 
early history
Who were the first people on earth?
asked by no name 
Physics Help Urgent Please!!!
A crane is used to lift air conditioning units to the top of a 5story building. Each story is 3.5 m high. The crane accelerates the units while lifting the units past the first story and then lifts them at a constant velocity past the second through
asked by Kimberly 
dav
the area of two similar triangle abc nd def are 15cm.sq nd 25cm.sq respectively.find the ratio of corresponding side
asked by richa das 
Math Proof
Prove: Let a,b exist in the reals with a
asked by Ashley 
counting
My daughter home work wants her to count the animals in each picture and draw the correct number of counters to show how many
asked by Anonymous 
Algebra
Determine the value or values of d that complete the square for the expression. (a) x^2 + dx +64 (b) x^2 + dx +49/4
asked by Hannah 
physics
A girl and the bike she is riding have a combined mass of 73.7 kg and are initially at rest but then she tosses the jug of water in her hand the forward direction. If the jug has a speed of 3.0m/s relative to the ground and the girl and bike move in the
asked by alyssa 
Chemistry
Diluting and dissolving of potassium nitrate is very endothermic.Suggest what would be observed to the temperature if 2.0g of the salt is added to 2cm3 of water.
asked by Richaj 
Engish (ESL)
The bison's hide furnished material for Indian tepees and robes. What's the subject and the verb?
asked by Anonymous 
math
A bicyclist rides off a roof at 15.2 \frac{m}{s}. The roof is 9.8 m above the ground. How far from the edge of the building does the bicyclist land? Use SI units in the second box.
asked by sonya 
Math
You deposit $100 at the end of each quarter in a sinking fund earning 4% compounded quarterly. How many quarterly deposits must you make in order to reach your goal of saving $10,000? Round your answer off to the nearest whole number.
asked by David 
Biology
Are a replication fork and an origin of replication the same thing?
asked by Anonymous 
physics
If a pull of 350 N accelerates a 38kg child on ice skates at a rate of 7.3 \frac{m}{s^2}, what is the frictional force acting on the skate?
asked by tim 
Chemistry
How do we do charge balance and mass balance? Plz give me an answer on a general basis so that i can do it for any compound i get. Thanks
asked by Daniel 
math
what is the halfway point between the following numbers 2000 and 4000
asked by antuan 
Math
Sarah bought 1.4pounds of seed that costs 0.4 per pound. How much does Sarah pay for the seed? You are suppose to use a 10x10 decimal model
asked by Brenda 
Algebra
Okay, so! I figured out how to get the Pointslope form to the question I was given which led me to y+3 =2(x+1), but, now I'm stick on finding the Slope Intercept form to get my answer. Can someone help me? Thanks!
asked by Fiona 
math
Write 1/9, 4/7, 7/4 in order from least to greatest
asked by breanna 
Health: Check answers
Jakob went for lab tests, it took three tries with a needle to get any blood into the vial. Why might that be? Jakob may be dehydrated. Jakob had six vials of blood taken, is this healthy? Yes, if it wasn't then his doctor wouldn't have done that many.
asked by Katt 
Grade 11 Math functions
y=x^25x+6 Domain= {xeR or 2
asked by Simros 
Algebra1
How to solve for x ?? 3(x+1)=2(x1)4 = I need help
asked by Lila 
Math
The observation for three materials shows: Material A absorbs all the visible light (opaque) Material B is transparent to all the visible light (transparent) Material C absorbs blue light but is transparent to red light. (Blue light has wavelength 0.4 m,
asked by Chandu 
Statistics Homework Check
Hi! I had this one last question on my homework that I wasn't sure about, but, I need someone to check this for me and see if this is right. Thanks so much! Question: The study that looked at prevalence of various appliance in homes in 2001 made a
asked by Becky 
Please Help
Consider the market for roses in a small town. The demand function is given by: P = 20  0.25Q(D) The supply function is given by: P = 4 + 0.55Q(S) The market equilibrium price for the roses is: A) $15 per dozen roses. B) $18 per dozen roses. C) $5 per
asked by Nikko 
Algebra
What is the solution to the proportion? 4/12=10/x x = 3 x = 3.3 x = 4.8 x = 30
asked by Sara 
Organich Lab Help Please!!!!!!!!
a) You use 100 ml ethylchloride (density 0.92 g/ml) to extract 25 ml ethylene bromohydrin (density 2.41 g/ml) mixed with 100 ml. Is the aqueous layer the lower or the upper layer. How could you easily test this.  Ethylchloride is less dense so it is
asked by Anonymous 
Math
Find the other endpoint given the first endpoint and the midpoint A = (3, 5) B = (5, 11) find C
asked by Ryan 
Algebra1
(How to solve for x) 3x5=2x+6=? Please help please please !!!!!!😁😁😁😁
asked by Lila 
English
What is the subject and subject complements of this sentence "Lack of water and wood remained a problem for Europeans." Is it lack and problem
asked by Pete 
Statistics
A class consists of 9 students with an average age of 40. When the Instructor arrives the average age of the students and the Instructor is 41. What is the age of the Instructor?
asked by mike 
History
Which three empires competed for influence in the Balkans? 1. AustriaHungary 2. Russia 3. ?
asked by Anonymous 
life orintation
identify one environmental or human factor that causes ill health or accidents or disasters within a community
asked by nkosi 
precalculus
At a selling price of $ 54 , a lamp company breaks even on total sales of $ 3564 . If the company's overhead is $ 396 , find the marginal production cost per lamp and find the profit on sales of 145 lamps.
asked by Anonymous 
Social Studies
What did John Locke primarily write about?
asked by Sarah 
History
Which one?? Which three empires competed for influence in the Balkans? 1. AustriaHungary 2. Russia 3. ? History  Sierra, Monday, September 15, 2014 at 4:32pm The third one would be Serbia. History  Ms. Sue, Monday, September 15, 2014 at 4:37pm You're
asked by Anonymous 
general knowledge
How to write 9 september 2014 in 5 letters without using numbers..?
asked by Anonymous 
History
I have to write solutions on how to solve the social security problem (the amount to pay retirees will exceed the amount collected to finance the program.) The solutions are, raising the taxes that finance S.S. and Paying S.S. benefits only to people who
asked by Meghan 
Earth Science
7. The original location of an earthquake is also known as the A. hotspot. B. magnitude. C. horizon. D. epicenter.
asked by jitboy 
Statistics Homework Check
Hi! I had this one last question on my homework that I wasn't sure about, but, I need someone to check this for me and see if this is right. Thanks so much! Question: The study that looked at prevalence of various appliance in homes in 2001 made a
asked by Becky 
english
Could someone simplify what this statement means? Only applications to the first year of the Nursing program will be considered, and consideration is limited to applicants without prior postsecondary studies in Nursing. Advanced standing for students with
asked by John Doe 
Physical Science
A heat engine exhauts 122.0 kal after taking 499.0 how much mechanical work was done by the engine?
asked by Barbara 
French
In an informal letter, is writing just Bonjour! or Salut! without a name acceptable?
asked by Anonymous 
algebra
1. 5/13t = 9 2. 6 = x + 2/3 3. 13 + w/y = 18 4. 17 = 13  8x
asked by shy gurl 
PreCalculus/Trigonometry
Am I right? Which of the following is the equation of a line that passes through the point (3,2) and is parallel to the yaxis? y = 3 x = 2 y = 2 x = 3
asked by Anonymous 
programming
write a programe which calculate the number of five subjects also show the average and grade of the desire total.
asked by rajaa raisani 
math
cup 3/4 full 1/6 is poured out. what fractionof the whole bottle is poured out x fractions= whole # .
asked by laura 
Algebra1
3(x+3)=3(x+1)5 how to solve for x please help / the answer has to be 6,,,6,,,all real numbers,,, or no solution .???????????????????????????????????????
asked by Robbie 
english
which is a better thesis A. Because it has become outdated, the electoral college should be replaced by a system that allows the US president to be elected by direct popular vote. B. Rather than voting for a presidential candidate, voters in a US
asked by britt 
Finance
Within the context of investment, explain how CAPM can be useful to investors.
asked by Bassem 
math
Why is 1 not a prime number?
asked by Anonymous 
Social studies
Q: When camping in Yosemite, capers need a bear box to store food. Does each camper have to buy a bear box from a mart? Or can each camper use a bear box in Yosemite national Park for free?
asked by rfvv 
Physics
A block of mass m is given an initial speed of v along a horizontal frictional track. It travels a distance d and comes to a rest. the coefficient of kinetic friction between the block and the track is ....
asked by Anonymous 
math
find the values of the variables 32 40 96 120 112 x 144 180 k 230 how do you do this? what is the formula? Thank you
asked by sam 
history
what drove many artisans out of business
asked by shanteanna 
math
60x^45x^3+x^230/10
asked by cori 
Art
Which element in the image The Annunciation by Jan van Eyck, creates an emphasis on the female figure? A. Form B. Texture C. Space D. Color Is the answer D?
asked by Gwen 
Math
At a selling price of $ 54 , a lamp company breaks even on total sales of $ 3564 . If the company's overhead is $ 396 , find the marginal production cost per lamp and find the profit on sales of 145 lamps.
asked by Irina 
math, algebra
If a and b are integers when is 1/ab positive? Please help me, I don't know what to do.
asked by need help 
PreCalculus/Trigonometry
Help please What is the slope of the line that passes through (1,0) and is parallel to y = 3x + 5?
asked by Anonymous 
World history help
What does the juror token tell us about Greeks justice system? Need help ASAP!!!
asked by Anonymous 
French
How do I say I want to interact with you informally in French?
asked by Anonymous 
7th grade math
Can you check the following? 1. A recipe for muffins needs 1/2 cup of milk. You are making 3/4 of the recipe. How much milk do you need? Ans: (1/2) / (3/4) = (1/2) x (4/3) = 2/3 cups 2. Betty is running on a track that is 2/3 of a mile long. So far she has
asked by Alexis 
Math
How can multiples and factors relate?
asked by Frankie 
French
How do you say which country are you from in French informally?
asked by Anonymous 
xxx
If ( cos ᶿ + sin ᶿ)= ã2 cos ᶿ, show that (cos ᶿsin ᶿ) = ã2sin ᶿ
asked by anne 
Physics
1 rpm=rads1?
asked by zarip 
Math
What are different strategies of finding all the factors of a number besides the rainbow method?
asked by Gina 
Algebra 2
Reed has $6.20 in nickels and quarters. If the nickels were quarters and the quarters were nickels, he would have $3.50 more. How many quarters does Reed have?
asked by Hannah