Questions Asked on
May 7, 2012

Chemistry
Stuck again... "Determine the charge on the complex: diaquadichloroethylenediaminecobalt(III)" I'm having problems even writing a formula for this one! Is it [Co(2)(NH2CH2CH2NH2)Cl]Cl ??? Maybe if I could figure out the formula I'd be better at figuring
asked by Miaow 
english
Recall that a participle is a verb form that is used an adjective. A participial phrase is a participle with its modifers and complements used as an adjective. 1. Read the following sentence. The cars passing by are filled with commuters. Which of the
asked by Angela Myers 
english
1. Read the following sentence. The cars passing by are filled with commuters. Which of the following sentences is NOT true? (1 point) The sentence includes a present participle. The participial phrase modifies the word commuters. The participial phrase is
asked by Angela Myers 
chemistry
HCN(aq) + SO42(aq) HSO4(aq) + CN (aq) a. What is the Bronsted  Lowry acid in this equation? b. What is the Bronsted  Lowry base in this equation? c. What is the conjugate acid in this equation? d. What is the conjugate base in this equation?
asked by elizabeth 
Math
Find two consecutive whole numbers that square root of 54 lies between what two numbers
asked by HELP ME 
science, chemistry
2Al(s)+ 3Cl2(g)=2AlCl3(s) For the above reaction calculate: A) delta H, then state whether the reaction is endothermic or exothermic B) delta s, then whether the reaction becomes more or less disorder. C) delta G, the state whether the reaction is
asked by Bryan 
physics
A 1.5kg block rests on top of a 7.5kg block. The cord and pulley have negligible mass, and there is no significant friction anywhere. Part a) What force F must be applied to the bottom block so the top block accelerates to the right at 2.9 m/s^2 ? Part b)
asked by ericka 
Chemistry
The following reaction has a Delta G value of 42.6 kJ/mol at 25oC: HB(aq) +H2O(l) > H3O+(aq) +B(aq) Calculate Ka for the acid HB.
asked by Jake 
english
9. Which of the following was not a major influence of the Modernist writers? (1 point) hope World War I World War II prosperity 10. An author’s attitude toward a piece of work is (1 point) tone voice style mood 11. In Hemingway’s short story, “In
asked by breanna kern 
Finance
Six years ago, Bradford Community Hospital issued 20year municipal bonds with a 7% annual coupon rate. The bonds were called today for a $70 call premium that is, bondholders received $1,070 for each bond. What is the realized rate of return for those
asked by Ashley 
math
kevin had a board that was 5 and 1/4 feet long. while making making a fence, he cut a peice 3 and 3/4 feet long from the board. what was the lenth of the peice of board remained?
asked by zac 
chemistry
The half life of phosphorus 32 is 14.3 days. What percentage of an original samples radioactivity remains after 57.2 days?
asked by matt 
math
Carlos hiked 1 and 3/4 miles along a nature trail to a fork in the trial. He than hiked 2 and 1/2 along a path that led to a waterfall. When carlos reached the waterfall, how far had he hiked altogether?
asked by Jeff 
physics
A copper kettle contains water at 24.2 °C. When the water is heated to 87.3 °C, the volume of the kettle expands by 7.34 x 105 m3. Determine the volume of the kettle at 24.2 °C.
asked by RM 
Statistics
Normal distribution models what type of variable??
asked by Nichole 
Math
In a financial deal, you are promised $800 the first day and each day after that you will receive 45% of the previous day's amount. When one day's amount drops below $1, you stop getting paid from that day on. What day is the first day you would receive no
asked by Lizzie 
physical science
To what Celsius temperature must a gas sample initially at 20 degrees Celsius be heated if its volume is to double while the pressure remains the same?
asked by kristy 
Physics
Calculate the yearly cost of running a 6 W electric clock continuously in a location where energy costs 12 cents per kW · h.
asked by stupid lost person 
integral calculus
a rectangular plate 12ft long and 8 ft wide is submerged vertically with the longer edge in the surface of the water. Find the force on one side of the plate.
asked by al 
physics
A merrygoround revolves at a rate of 8.3 rev/min. A child who is seated at the outer edge of the merrygoround travels at 6.9m/s. What is the diameter of the merrygoround?
asked by kenon 
PHYSICS
A tuning fork is set into vibration above a vertical open tube filled with water. The water level is allowed to drop slowly. As it does so, the air in the tube above the water level is heard to resonate with the tuning fork when the distance from the tube
asked by sarah 
Probability
If you are dealt 3 cards from a shuffled deck of 52 cards, find the probability that all 3 cards are picture cards.
asked by Katie 
english
What grammatical structure is the italicized portion of the sentence? By mistake I opened a package addressed to my sister. adverb clause infinitive phrase past participial phrase elliptical clause adjective clause
asked by Makayla 
corporate finance
Genaro needs to capture a return of 40 percent for his oneyear investment in a property. He believes that he can sell the property at the end of the year for $150,000 and that the property will provide him with rental income of $25,000. What is the
asked by felicia 
math
The value of a $20,000 car decreases every year, t. The equation below models this situation. 20000(1  0.04t) = 13,000 After how many years will the car be worth $13,000? Round to the nearest tenth if necessary. I was instructed that the answer is t =
asked by Jane 
Chemistry
Is CO + O2 > CO2 an endothermic or an exothermic reaction? Also, are all combustion reaction endothermic? Thanks in advance.
asked by Namie 
statistics
A random group of customers at a fast food chain were asked whether they preferred hamburgers, chicken sandwiches, or fish sandwiches. The restaurant's marketing department claims that 40% of the customers prefer hamburgers, 46% of the customers prefer
asked by Lea 
algebra
A rectangular prism has a volume of 750 cubic millimeters. Its length is 15 millimeters, and its width is 10 millimeters. What is its height
asked by Lucas 
CHEMITRY
what is solubility, in mol/L, of MgCO3 in a 0.65 mol/L solution of MgCL2 if the ksp of MgCO3 is 2.5*10^5
asked by NICOLE 
math
Explain how you can find 3/8% of $800? Not sure how to write it out, I know the answer is 3.
asked by Shelby 
History
The new morals and manners of the 1920s were reflected in A. women's fashion B. the great migration C. the new factory jobs D. Politics Americans responded to the Selective Service Act A. with enthusiasm B. with antiwar riots C. by refusing to register D.
asked by L 
statistics
according to data from the american medical association, 10% of us are left handed. If three people, are randomly selected find the probability that they are all left handed. If groups of 50 people are randomly selected, what is the mean and stadard
asked by cm 
math
Aley Company pays all its employees in a graduated commission scale: 3% on the first $30,000 sales, 5% on sales from $30,000 to $110,000, and 7% on sales more than $110,000. Jim Jones, an employee of Aley, has $130,000 in sales. What commission did Jim
asked by Anonymous 
geomety
A boat is heading due east at a constant speed of 35 mi/h. There is an 8 mi/h current moving north. What is the boat’s actual speed and direction?
asked by Mike 
Trig
If you are dealt 3 cards from a shuffled deck of 52 cards, find the probability that all 3 cards are picture cards.
asked by Katie 
chemistry
Please help. Concentrated hydrochloric acid is a 38% w/w solution of HCL in water and has a density of 1.18g/ml. How many millilitres of concentrated hydrochloric acid are needed to prepare 500ml of a 1:200 w/v HCL solution? My answer is 2.12ml. I'm not
asked by Peter 
Math
A swimmer swam north at 1.75 m/s across a current running from west to east at 2 m/s. She swam for 20 s. How far did she travel, rounded to the nearest tenth of a metre? A) 75 m B) 53.2 m C) 2.7 m D) 26.6 m
asked by Anonymous 
Statistics
a random group of seniors was selected from a university and asked about their plans for the following year. The school advising office claims that 50% of the students plan to work, 25% of the students plan to continue in school, and 25% of the students
asked by Lea 
Trig
simplify the expression to a single term: (12Sin^2 X)^2 + 4sin^2 X Cos^2 X I'm not sure how to start this or which identities to use. Any suggestions?
asked by Anonymous 
Astronomy
How does the wavelength of light we observe from those galaxies compare with its original wavelength when it was emitted? The most distant galaxies observed to date have a redshift of approximately z =7.
asked by AlexJohnson 
History
True Or False; The Political machines of the large cities determinded what type of projects would be funded by tax dollars and for the most part they were honest organizations, The U.S. government's treaties were just ways of moving the Native Americans
asked by MM 
Microeconomics
4. Assume a drought in the Great Plains reduces the supply of wheat. Noting that wheat is a basic ingredient in the production of bread and that potatoes are a consumer substitute for bread, we would expect the price of wheat to: A) rise, the supply of
asked by Anonymous 
Math
Convert each general equation to standard form. 144X^225Y^2+864X100Y2404=0 Y^24X^212Y16X+16=0
asked by PLEASE HELP 
chem
How many grams of ibuprofen contain 7.1x10^25 atoms of C? Ibuprofen is C13H18O2. Molar Mass is 206. The answer is=1870 grams. How do I calculate this to get this answer? Please help!
asked by robyn 
physics
A potential difference of 102 mV exists between the inner and outer surfaces of a cell membrane. The inner surface is negative relative to the outer surface. How much work is required to eject a positive sodium ion (Na+) from the interior of the cell? (in
asked by andrew 
government
How has the United Nations responded to nations that have violated the Universal Declaration of Human Rights? Give atleast one specific example, and explain whether or not the UN actions were effective at protecting the rights. Please help.
asked by lilman 
physics
A proton that has a mass m and is moving at 250 m/s in the + direction undergoes a headon elastic collision with a stationary oxygen nucleus of mass 16m. Find the velocities of the proton and the oxygen nucleus after the collision
asked by help please 
Prealgebra
A pole that is 3.1m tall casts a shadow that is 1.64m long. At the same time, a nearby building casts a shadow that is 50.25m long. How tall is the building? Round your answer to the nearest meter.
asked by Darlene 
Chemistry
Calculate the pressure in an evacuated 250. mL container at 0.00 degrees C if 3.20 cm^3 of liquid oxygen evaporates. Assume that the liquid oxygen has a density of 1.118 g/cm^3 I understand that the density and volume can be used to find the mass in grams.
asked by Lindsey 
Chemistry
Calculate the uncertainty in the position (in A) of an electron moving at a speed of (6.5 +/ 0.1)* 10^5m/s. The mass of an electron is 9.109x10^31 kg. Thanks!
asked by Brittney 
physics
what is the speed of 1kg object when the kinetic energy is 1 joule
asked by sam c 
Math
You are 40 years old and have a salary of $50,000 per year. When you retire at age 66, you want to have a salary that has the same buying power as the one you currently have. If you estimate that the inflation rate will be 1.25% per year, what will your
asked by Tina 
Chemistry
For the reaction, calculate the moles of indicated product produced when 5.00 moles of each reactant is used. 4Li(s)+O2(g)+ < 2Li2O(s) (Li2O)
asked by Michael 
math
given f(x)=x^3+5x find the rate of change for the interval [0.5,0.51]
asked by sarah 
algebra
How many coins When i dumped the change out of my pocket, I noticed that i could pay the exact price for any item from one cent up to and through one dollar without receiving any change. What is the fewest number of coins I could have had in my pocket if i
asked by linda 
Microeconomics
3. Suppose that a business incurred implicit costs of $500,000 and explicit costs of $6 million in a specific year. If the firm sold 100,000 units of its output at $60 per unit, its accounting: A) profits were $100,000 and its economic profits were zero.
asked by Anonymous 
Calculus
Three forces of 5 N, 8 N, and 10 N act from the corner of a cube along its edges. Using Cartesian vectors, find the magnitude of the resultant force.
asked by J 
SS7R  HW Question HELP!
Describe how Mexico won their independence from Spain? Identify two people who helped win the fight. Please help.
asked by Laruen 
social studies
After world War ll the world's two powerful nations were the United States and _____.
asked by stephanie 
Algebra 2
Write the series with summation notation 3+9+19+33+51+73 I'm not sure what the equation would be. Would this situation have two equations and if so how would that look like in summation notation
asked by Rachel 
Physics
Car A has a mass of 1000kg and a speed of 60km/h, and car b has a mass of 2000kg and a speed of 30km/h. what is the ratio of kinetic energy of car A to that of car b?
asked by sam c 
physics
Question # 1 : What is the maximum acceleration a car can undergo if the coefficient of static friction between the tires and the ground is 0.82? Question # 2 : A 1.5kg block rests on top of a 7.5kg block. The cord and pulley have negligible mass, and
asked by ericka 
algebra
I have a piece of cardboard that is twice as long as it is wide .I f I cut a 1inch by 1inch square from each corner and fold up the resulting flaps ,I get a box with a volume of 40 cubic inches.what are the dimensions of the cardboard?
asked by cantu 
Honors Chemistry
I need someone to check these questions. I know its a lot of questions. 2NH3 + Ag+ Ag(NH3)2+ a. What is the Lewis acid in this equation? [Ag+] b. What is the Lewis base in this equation? [NH3] Given H2SO4 is sulfuric acid, HNO3 is nitric acid, and H3PO4 is
asked by Elizabeth 
physics
The string on a violin has a fundamental frequency of 120.0 Hz. The length of the vibrating portion is 36 cm and has a mass of 0.58 g. Under what tension (in newtons) must the string be placed?
asked by ashlee 
algebra
When a ball is thrown in the air, the height h of a ball in feet t seconds after the ball is thrown in the air, is given by the equation height = 25t–16t² Use the quadratic equation to determine how many seconds goes by before the ball hits the ground?
asked by Coach 
U.S. History
The new morals and manners of the 1920s were reflected in A. women's fashion B. the great migration C. the new factory jobs D. Politics Americans responded to the Selective Service Act A. with enthusiasm B. with antiwar riots C. by refusing to register D.
asked by MM 
math
A telephone pole casts a shadow 16 feet long at the same time that a man 6 feet tall casts a shadow of 2.4 feet. How tall is the pole?
asked by John 
chemistry
Subject – equilibria Pure ethanoic acid (25.0cm3, CH3COOH), pure ethanol (35.0 cm3, C2H5OH) and pure water (20.0cm3, H2O) were mixed in a sealed flask at room temperature. The flask was placed in a heated water bath and maintained at 323K until
asked by yaya 
math (solid mensuration)
A light is placed 5 ft. from the center of a globe 3 ft. in diameter. Find the area of the illuminated portion. thank you!
asked by sara 
math probability
a 3 section spinner which each outcome is not equally likely.if you spin the spinner once,what is the probability that it will stop on a?
asked by jay 
algebra
john is preparing to paper the walls of his room, which has the shape of a rectangular prism. The width is 14 feet, the length is 13 feet, and the height is 8 feet. What is the total surface area of the walls of his room?
asked by Anonymous 
Science
Based on your knowledge of the relationship between photosynthesis and CO2, explain why CO2 concentrations cycle throughout the year.
asked by Edwin 
Spanish Fork
Bob is rollerskating at a speed of 1.5 m/s relative to the ground. He tossed a small ball forward. The ball moves at a speed of 1 m/s relative to Bob. What is the speed of the ball relative to the ground?
asked by Shandy 
math
Classify each number below as an integer or not. 10 5 16.42 5/6 27/7
asked by HELP ME 
math
If there are 50 floats in a parade, how many ways can a first place and a second place trophy be awarded?
asked by Jess 
chemistry
2H2+1O2=2H2O delta H=136 kJ A) how many joules are released when 35.0 grams H2O form B)how many grams of hydrogen burn when 278 kJ are released. C) Draw a potential energy diagram of this reaction.
asked by Bryan 
Biomechanics
An 88.9 kg weight lifter is required to perform a snatch movement for their final lift in a weight lifting competition. The standard weight lifting bar is 20 kg and the load attached to the bar was in the form of 6 x 20 kg weight discs, 2 x 10 kg weight
asked by Chleo 
Math
Write the standard equation of the ellipse with the given characteristics Vertices: (0,7) (0,7) foci: (0,2) (0,2)
asked by PLEASE HELP! 
chemistry
At 0.00 degrees C a 1.00 L flask contains 5.00 x 10^2 mol N2, 1.50 x 10^2 mg O2, and NH3 at a concentration of 5.00 x 10^18 molecules/mL. What is the partial pressure of each gas, and what is the total pressure in the flask at atm?
asked by lindsey 
math
Classify the conic section as a circle, an ellipse, a hyperbola, or a parabola. 25x2=64+16y ellipse parabola circle hyperbola
asked by nichole 
Art
Writeacher, I need your help to rephrase a few sentences. Thank you. 1) Eveline imagines the reactions of people at work when she has gone. Miss Gavan would be glad because she has always had an edge on her (I need to rephrase this). 2) On her turn, she
asked by Frank 
Chemistry
Stuck again... "Determine the charge on the complex: diaquadichloroethylenediaminecobalt(III)" I'm having problems even writing a formula for this one! Is it [Co(2)(NH2CH2CH2NH2)Cl]Cl ??? Maybe if I could figure out the formula I'd be better at figuring
asked by Miaow 
algebra
When a ball is thrown in the air, the height h of a ball in feet t seconds after the ball is thrown in the air, is given by the equation height = 25t–16t² Use the quadratic equation to determine how many seconds goes by before the ball hits the ground?
asked by Coach 
Life orientation
Two institutions that ar involved in supporting or giving redress to hiv/aids ad explain hw these organizations are involved in providing a safe and helthy environment
asked by Yeste 
Math, HELP!
if you wish to have $250,000 in 30 years, how much mush be deposited weekly in an account that pays 6% compounded weekly? (50 weeks per year)
asked by Howard 
algebra 2
Solve the system by elimination. Y=x^2+2, 4xy=10
asked by jenny 
Statistics
The table list the sugar content of two types of apples from three different orchards. At a=0.05, test the claim that the sugar content of the apples and the orchard where they were grown are not related. Sugar ContentOrchard 1 Orchard
asked by Lea 
Prealgebra
A teacher was comparing results on two sets of test scores for a group of eleven students. The mean score on the second test was seven points higher than that of the first test. The median grade on both the tests was the same. Determine two sets of test
asked by Usha 
physics
An electron enters a region where there is a magnetic field with a strength of 0.5 T which points out of the page (electron has an initial speed of 150 m/sec and is moving to the left). Describe motion of charge in an magnetic field (In particular, what is
asked by Tom 
math
Find a sixdigit even number containing no zeros and no repeating digits in which the first digit is four more than the second digit, the third digit is one less than the sixth digit, and the fourth and fifth digits when read as a single number equal the
asked by Chris 
Calculus
Find the distance between the lines [x,y,z] = [1,1,0] + s[3,4,2] and [x,y,z] = [5,9,4] + t[2,3,1]. Interpret the result.
asked by J 
english 1 honors
In the writer by richard wilbur what does the speaker compare his daughter to?
asked by BRi 
Math
You run pizza shop and have 8 different toppings that a customer can order. The customer can order any combination of topping including none but they cannot have double of any toppings. How many different pizza combinations can be ordered?
asked by Ben 
algebra
the product of two consecutive even integersis 34 less than 7 times their sum.find the two integers.
asked by jo 
Finance
A person is considering buying the stock of two home health companies that are similar in all respects except the proportion of earnings paid out in dividends. Both companies are expected to earn $6 per share in the coming year, but company D (for
asked by Ashley 
scienceeeeeeee :(
What is a bodies average Temperature in ferenhite and celcius?
asked by Nicole Hong 
Math
Simplify (2^2 x 5)^3  2^5 x 5^8 Answers: a.) 2 b.) 1 c.) 1 d.) 5     5^5 2^5 x 5 5 2
asked by Taylor Leigh 
algebra 1
Solve by the linear combination method (with or without multiplication). 6x – 2y = 2 –3x + 4y = 5
asked by Anonymous 
Math
Jenifer works in a flower shop. On Saturday she started work at 8:45 a.m. She finsihed at 4:15 p.m. How many hours did Jenifer work after noon?
asked by Zachary 
Chemistry
when an electron in a hydrogen atom transitions from the n = 5 level to the n = 2 level, what wavelength photon (in nm) is emitted? Thanks!
asked by Frank 
Living a Healthy Life
2.Temperatures in child care education setting should be set at __ in the summer and __ in the winter. 1. 55 to 65, 65 to 85 2. 60 to 63, 70 to 73 3. 68 to 72, 65 to 75 4. 72 to 80, 70 to 80 My answer is... 2. 60 to 63,70 to 73 Pls let me know if this is
asked by Miranda 
math
Sandra spent onefifth pf her money and loaned onethird of the remainder to her brother Sam. She then had $24. How much money did she have at first?
asked by Phia 
Math
Change into standard form 1. x^2+6x+4y+5=0 2. y^2+12x+2y+=25
asked by PLEASE HELP! 
Algebra 2
Which of the following is a facator of 4by3bz+8dy6dz? a)4by3bz b)b+d c)4y3z d)4b+3d
asked by Sira 
ALGEBRA 2
rewrite the quadratic equation y=3x^2+3x+2 into standard form to determine the vertex , , 
asked by Daniel 
calculus
1) find the indicated limit, if it exist? a) lim x>2 (x^2 9)/(x^2+x2) b) lim x > ∞ √(ax^2+bx+c)/dx + e, where a > 0, b,c,d, and e are constant.
asked by soasi piutau 
Algebra
2 people are going to cover their roof with cedar shingles. Their roof has an area of 2,025 square feet. The shingles they want to use come in bundles of 100 square feetand are only sold in full bundles. Each bundle costs $171.95. They will need to hire a
asked by Alejandro 
math
a carpet measures 4 meters and 6 decimeters in lenght by 3 meters and 5 decimeters in width. what is its area in square meters?
asked by alida 
Art
When mentioning the exam's topics, can I include: Entire reading of abridged edition of Orwell's 1984. Is the adjective "entire" proper? Thank you, Writeacher.
asked by Frank 
statistics
In a random sample of 112 State College students, 41 students reported being current smokers. a) Calculate the 95% confidence interval for the proportion of State College students who smoke.
asked by Anonymous 
government
Identify one freedom from the list of Declaration Human Rights. What actions can the UN, individuals nations, and individuals take to secure this right? I definitely need help please.
asked by lilman 
Algebra 2
If P(x) is a polynomial in x for which P(3)=0, then..? a) x3 is a factor of P(x) b) x+3 is a factor of P(x) c) 3x is a factor of P(x) d) x^3 is a factor of P(x)
asked by Sira 
math
Find the surface area of a right rectangular prism measuring 2 ft by 3 ft by 4 ft
asked by Chelsea 
math 6th grade
write the rule anf find the missing input. input out put 0 5 3 14 x 32
asked by nick 
College Physics Homework. Please help!
A metal bar with a length of 0.30 m and mass of 0.5 kg is free to slide (no friction) on a set of vertical rails. The rails and bar together have a resistance of 500 ohms. The rails lie in a horizontal magnetic field with a strength of 0.04 T. The mass
asked by Rich 
U.S. History
The new morals and manners of the 1920s were reflected in A. women's fashion B. the great migration C. the new factory jobs D. Politics Americans responded to the Selective Service Act A. with enthusiasm B. with antiwar riots C. by refusing to register D.
asked by MM 
Science 7R  HW Qs. Check!
16. Coaches advise athletes to warm up or exercise a few minutes before beginning a sports activity. Explain why warming up is important. My Answer  Warming up helps reduce our risk of injury and the aches and pains that come with exercise. It also
asked by Laruen 
Life orientation
Recommendations on hw to address hiv/aids
asked by Hlv/aids 
Chem
Complete the table below: Note: Make simplifying assumptions, do not use the quadratic formula. What is the pH of the solution created by combining 1.90 mL of the 0.10 M NaOH(aq) with 8.00 mL of the 0.10 M HCl(aq)? with 8.00 mL of the 0.10 M HC2H3O2(aq)?
asked by Jenna 
Microeconomics
Use the following chart to answer question 2 Number of Workers Total Product Marginal Product 0 0  1 10 10 2 10 3 28 4 34 5 5 6 42 2. Refer to the above data. The marginal product of the third worker: A) is 6. B) is 7. C) is 8. D) is 9.
asked by Anonymous 
helppp pleaseee
How many days on average can you survive without food or H20?
asked by cORY 
HUM111
How do you think you can be best prepared and ensure a successful outcome when interviewing someone?
asked by mary 
statistics
The winning times (in seconds) of women in the 100meter dash for consecutive summer Olympic games are listed below. Assume that the times are sample data from a larger population: 11.07 11.08 11.06 10.97 10.54 10.82 10.94 10.75 10.93
asked by cm 
Algebra 2
5+(5/2)+(5/4) Sn=189 Find n for the given sum if the geometric series
asked by Rachel 
SCI7R  HW Qs. Check!
20. Why do all mammals have "cracks" in their skull? My Answer  The reason why do all mammals have "cracks" in their skull so it would be easier for the new born baby to get through the mother's private. If their skull didn't have cracks then it would be
asked by Laruen 
Calculus
Find the total work done by a 15 N force in the direction of the vector [1,2,2], when it moves a particle from O[0,0,0] to P[1,3,4] and then from P to A[7,2,5]. Distance is measured in metres.
asked by J 
stats
Test the significance of the correlation coefficient r at a=0.05 for the data below. X values 59, 65, 73, 80, 89 Y values 97, 102, 110, 117, 125 A) Accept p=0 because 60.813.18 C) Accept p=0 because 61.132.78
asked by Lea 
science
what causes grains of sand to stick together
asked by jayla 
Statistics
Test the significance of the correlation coefficient r at a=0.05 for the data below. X values 59, 65, 73, 80, 89 Y values 97, 102, 110, 117, 125 A) Accept p=0 because 60.813.18 C) Accept p=0 because 61.132.78
asked by Lea 
Math 117
What is the lcm 6y^2 and 12y^9
asked by Jennifer 
Biomechanics
A juggler performs in a room with a ceiling that is 2.4 m above the level of his hands. He throws a ball (diameter of 10 cm) vertically so that it just reaches the ceiling. what initial velocity does he throw the ball? how long does it take for the ball to
asked by Chleo 
Biomechanics
Describe the human gait cycle. Explain the sinusoidal pattern experienced in normal gait. Using the below data complete the table to determine stride length, stride rate and then calculate velocity. SLOW: The subject took 33 steps of approximately 0.981 m
asked by Chleo 
Math 117
What is the lcm 6y^2 and 12y^9
asked by Jennifer 
6th Grade Math
PLEASE HELP ME!!!!! I need to answer this equation: 9/2m8=5.5+4m I need it answer in a way like this: Ex: 9+5k=45+2k 0peration S 9 5k=36+2k S 2k 45+2k D 3 k=12
asked by Sabrina 
English  ms. sue
for book water for elephants i need help with character personalities and physical description for rosemary i hve that she be kind, respectful and understanding but it not give physical description of her
asked by Mohammad 
Math
(√ 10 +3)(√ 10  3) When I multiply the √ 10's what would it come out to be? That's what throws me off >_
asked by Cyn 
math
substitution method y=x+1 x+y=5
asked by tamm 
Physics
An ideal gas performs 453 of work and loses 45J of internal energy
asked by Ramiro 
Social Studies
home of important documents,such as the Constitution,Declaration of Independence,and Bill Of Rights. National Archives?
asked by Colton 
Mathdivide Polynomial
need to find the quotient and remainder. x^3+x^2y9xy^29y^3 / x+y
asked by vicky 
Math
Determine the total amount of interest you will pay over the next 3 months on a credit balance of $725 if your credit card has an annual interest rate of 18% and you make monthly payments of 10% of the amount due, rounded to the nearest dollar.
asked by Pat 
Social Studies
Whats the office of the judicial system? My other choice was Justice Building. Is that the answer?
asked by Colton 
Algebra 2
Choose the appropriate simplified expression. 1. 8x^210x+3/6x^2+3x3 2. (x^24/x^21)*(x+1/x^2+2x) 3. (7/5y+25)(4/3y+15) 4. (x^2/x^2+2x+1)/(3x/x^21) 5. (2x+4/3x3)*(12x12/x+5) 6. (7/2xy^2)+(3/8x^2y) 7. (x^216/2x+8)/((x4)^2/8x32) 8.
asked by Brianna 
physics
In the figure the coefficient of static friction between mass (MA) and the table is 0.40, whereas the coefficient of kinetic friction is 0.28 ? part a) What minimum value of (MA) will keep the system from starting to move? part b) What value of(MA) will
asked by ally 
psychology
Uncle Billy fell asleep in front of the television again. Five minutes later a noise from the kitchen awakened him. He sat up looking a bit dazed and explained, "I was having something like a dream. I saw my first bicycle, Old Blue, just as bright and
asked by Anonymous 
life orientation
sugges 5 recommendation on how t address the environmental problem that you have identified
asked by brunella kgori 
math
the shorter leg of a right triangle is 5 yards.if the hypotenuse is 13 yards,how long is the other leg?
asked by cantu 
Math
The health food store that you manage employs seven clerks, Invidual hourly wasges are $6.10,6.25,6.45,6.75,7.00,7.25 and 8.50. If each employee has 2 weeks unpaid vacation time and works 8 hours a day 5 days per week and is paid all holidays what is the
asked by Lisa 
Physics Help please
If we witness events taking place on the moon, where gravitation is weaker than on Earth, would we expect to see a gravitational red shift or a gravitational blue shift? and Explain please a)blue shift b)red shift c)no shift
asked by Jake 
math
What is the answer to this math problem. I have 13 apples and pears. How many of each could i have?
asked by glenn 
Microeconomoics
1. The Omnibus Corporation finds that its daily costs are $50 when it produces no output. Its total variable costs (TVC) change with output as shown in the accompanying table. Use this information to answer the following question(s). Output TVC 1 $36 2 $57
asked by TeeTee 
stat
The total area under the normal distribution curve is equal to a probability of____
asked by Nichole 
algebra
One number is 10 more than twice another.Their product is 10 more than twice their sum.Find the numbers.
asked by jo 
HCA 270
What is the relationship between inventory and cost of goods sold by a pharmacy or medical supply business? Explain the depreciation concept. What items in a physician practice can be depreciated? What is the purpose?
asked by josie 
Math
Maria Is Making a Beaded Necklaces For Her Friends. Each Friend Has Told Maria The Length She Wants Her Necklace in inches. maria does not have a ruler but she knows that the width of a quarter is about 1 inch Describe a way that maria can use a stack of
asked by China 
Life orientation
Ways in which the human or invironmental problem impacts on the community
asked by Hlv/aids 
algebra 2
Nonlinear homework... Solve the system by elimination. 1)y=x^2+2 4xy=10 2) Solve the system using substitution. Y=3x^2+x2 Y=5x+3
asked by jenny 
math
find the circumference of the circle with a dimeter of 11/6 cm use 22/7 as an approximation of n
asked by asheem 
Math
Write the standard equation of the ellipse with the given characteristics Center:(0,0) foci: (2,0) (2,0) vertices:(5,0) (5,0)
asked by Ajay 
LifeScience
A diagram about the brain 1 which lobe of the pituitary gland does not make the hormones it releases? 2 why do you think adrenaline is called the "fight or flight hormone?
asked by Galane letshela 
Calculus
Find the vector equation of the line that passes through the point (2,1,7) and is parallel to the line of intersection of the planes x + 2y  3z = 6 and 3x  y + 2z = 4
asked by J 
Accounting
How to perpera the accounts of the company and cash flow statement
asked by Galane letshela 
english
What is synonyms for alight What is Antonyms for feast
asked by Anonymous 
math
write in fractional notation 16.904 write in decimal notation 4149/10,000 is this right 0.4149
asked by miss c 
Health
11 letter word beginning with e for the process which alcohol leaves the body?
asked by Bob 
algebra
If a train goes 25 mph how many hours. Does it need to go in 125 miles
asked by brittney 
algebra
amy can rake leaves in her front porch in 2hrs. Her younger sister can do it in 6hrs. How long will it take them both to do the job if the work together?
asked by maram 
life orientation
Provide 5 ways in which you critically discuss how life style disease / behaviour impact on the teenager
asked by karolo 
Medical Terminology
I have to write a fictitious medical report containing this weeks vocab. It has to be at least 2 paragraphs describing a dermatologic condition or disease and contain all of the vocabulary and their definitions. My question is...how do I format this? If
asked by Anna 
Math
It takes a cup of flour to make 100 cookies. How many cups of flour will it take to make 225 cookies? 1/100 = x/225 Would it be like this?
asked by Mandy 
Math
Derrick wants to job 1 mile in 6 minutes.So far,he had jogged 842 yards.How many more yards must he jog to reach 1 mile? 918? 1760842=918 1mi=1760yd
asked by BrokeNcydee 
Calculus
factor fully: x^3 + x^2  7x + 2 give n that x=2 is a root
asked by HELP 
algebra 2
Solve the system using substitution. Y=3x^2+x2, Y=5x+3
asked by jenny 
Algebra 2
( ∛3x+5 ) + 4 = 0
asked by Sira 
Calculus
Find the first four nonzero terms and the general term for the Taylor Series centered at c = 1 for the integral of ln(x).
asked by Joe Bob 
FunctionsMath
find the value of k such that when 2x^3+9x^2+kx15 is divided by x+5, the remainder is 0.
asked by vicky 
Living a Healthy Life
1.When playing outside, children should wear protective clothing and play in shaded areas to a.avoid radiation from sunlight b.avoid being stung or biteen by insects c.prevent attacks of scabies d.stay cool and maintain psychological My Answer  C 2. What
asked by Miranda 
Social Studies
Long,narrow parklike area that stretches from the capitol to the Washington Monument. I don't know this one. Traces the history of flight,holds planes used by the Wright Brothers and Charles Lindbergh. Air and Space Museum?
asked by Colton 
physics
A weightlifter is trying to carry a 10 kg weight held over his head across the room. How much energy will be required to do this work on the 10 kg weight?
asked by Anonymous 
Someone good is History!!!!!!
What effect did the Emancipation Proclamation have on the North and South?
asked by Cassie 
math
A 20 feet vertical pole cast a shadow of 32 feet. What is the angle of elevation of the sun?
asked by alex 
math
Make a model of a rectangular prism that is not a cube and has a surface area of 62 cm squared. What are the measurements of this rectangular prism? I know the formula, is 2ab+2bc+2ac=sa, and I know the answer to this problem... a=5, b=3, and c=2... I did
asked by Elie 
physcis
What is the maximum acceleration a car can undergo if the coefficient of static friction between the tires and the ground is 0.82?
asked by ericka 
math
What does a 12 sided polygon look like????
asked by rico 
Math
I have a challenge of drawing as many rectangles as I can but using only 8 squares on a grid that's only 4 across and 4 up. I can only draw two....
asked by Elise 
com 220
week 4 dq 1? I choose the article on "Marijuan should be legalized for Medical Use". The thesis statement in the article  Marijuana prohibition applies to everyone, including the sick and dying. Of all the negative consequences of prohibition, none is as
asked by denise 
biology
Can change in heart rate due to exercise be expressed in percentage difference to compare the rest rate and the exercise rate? why is it a good/bad thing to do?
asked by buba 
Chem
I need help please! You have been given 40ml of a 0.6M solution of NaCl and 40ml of a 0.1M solution of KCl. You are also given as much diluent as you need. Show all your work and indicate how you would make 40ml of a single solution that contains 0.005M
asked by Jen 
Algebra 2
Write the function which defines a parabola with vertex (2,3) and axis x=2
asked by Sira 
physics
A weightlifter is trying to carry a 10 kg weight held over his head across the room. How much energy will be required to do this work on the 10 kg weight?
asked by Anonymous 
chemistry
If a mass of 3.9g of the salt dissolved in 100g of water produces a solution that freezes at 1.40 degrees celsius , then what is the formula of this salt?
asked by Anonymous 
algebra
a 13 foot ladder is placed so that it reaches to a point on the wall that is 2 feet higher than twice the distance from the base of the wall to the base of the ladder. How high does the ladder reach?
asked by ac 
math
find the terms and leave the coefficients as factorials. Term with b^8 in (a + b^2)^10
asked by Nick 
math
The numbers 1, 7, 21, 35, 35, 21, 7, 1 form a row of pascal's Triangle. Which power of (a+b) does the row go with? Write the next row?
asked by Gabe 
Enviromental Anthro.
What effects do herding in East Africa and ranching in North America have on those two environments?
asked by Val 
biology
What reactions go on in your brain when you fall asleep? If you could give me a website that goes INDEPTH as to what happens in the brain when you fall asleep that would be great!
asked by Matt 
Science 7R  HW Qs. Help!!!
17. Itis is the suffix that means swelling. What do you think tendonitis means? Would you expect tendonitis to be painful? Why? My Answer  ?????????????? What does tendonitis means? I'm having a but trouble in this question. Please Help!
asked by Laruen 
math
Subtract six and onehalf minus four and seventenths. Justify your steps.
asked by cha 
Statistics
Negative and positive deviations occur with the _______ frequency
asked by Nichole 
accounting
Moreno Industries has adopted the following production budget for the first 4 months of 2013. Month Units Month Units January 10,000 March 5,000 February 8,000 April 4,000 Each unit requires 3 pounds of raw materials costing $2 per pound. On December 31,
asked by lynette 
Science 7R  HW Qs. Help!!!! (Q2)
How do you know that bone is a living material? My Answer (and think)  it contains cells I need a bit help on this qs. My teacher won't accepted this so I have to add more details.
asked by Laruen 
Geometry
A flush tank on a toilet is rectangular with dimensions of 21 inches by 6.5 inches and contain water to a depth of 12 inches. How many gallons of water per flush will be saved if the depth of the water is reduced by onethird? 231 cubic inches per gallon)
asked by George 
SCIENCEEEE! ! ! ! !
hOW muCH WATER should you drink dailY In OuNcEs AnD LiTeRs?
asked by PAYTON 
Enviromental Anthro.
1. How do Fairhead and Leach explain the forestsavanna mosaic in West Africa? a) villagers planted trees and told stories about them b) corporations began logging and mining in the region c) the state prohibited slash and burn farming and created a
asked by Val 
math
The quantity 0! is defined equal to 1. Tell why this definition is reasonable.
asked by Julie 
algebra
2.) Use algebra to find the value of a in the triangle when x=a, y=2a, z=3a. Notice the measurement of the angle is not necessarily the as the value of a.
asked by wanda 
english
Hello, I need help you guys hope you can help me. What is the theme for finding Nemo? And why? What is the theme song for finding Nemo? And why?
asked by Yc2012 
Environmental Economics
Can forest harvesting still be ineﬃcient even where tenure is given on a individual basis and is secure? Why or why not? Please answer this question in 3 sentences or less.
asked by Adam 
Math
Write the standard equation of the ellipse with the given characteristics vertices:(8,1)(0,1) (4,7) (4,5) center:(4,1)
asked by Ajay 
Science 7R  HW Qs. Help!!! (Q3)
19. What things can you do now to help prevent bone fractures when you're older? I really need help in this question. Please Help!!!!
asked by Laruen 
chemistry
Why are hydrogen ions NEVER found in an aqueous solution?
asked by kelly 
Math
You need to mix some gas and oil in a 20:1 gasoilratio. If you have 15 gallons of gas, how many gallons of oil do you need?
asked by HELPPPPP! 
math please help me
Write the standard equation of the ellipse with the given characteristics I have no ideal how to do this Center:(0,0) foci: (2,0) (2,0) vertices:(5,0) (5,0)
asked by Ajay 
help me please math
Write the standard equation of the ellipse with the given characteristics this is due in the morning I have no ideal how to do it vertices:(8,1)(0,1) (4,7) (4,5) center:(4,1)
asked by Ajay 
math
compare rectangular pyramids and rectangular prisms.How are they alike?
asked by jacob 
math problem please help
find sum of the first 10terms of geometric series with a2=1/2 and r=2
asked by Anonymous 
math problem please help
find sum of the first 10terms of geometric series with a2=1/2 and r=2
asked by Anonymous 
Healthcare
Sentence below is passive voice. How can I turn it into active voice? After the person begins working in the organization, an evaluation process is done by human resources.
asked by Archie 
math
if 7 sheets of paper are made per day, how many are made in 1 week: 49 4 weeks:196 52 weeks:364 2 years:728 please check
asked by Celest 
to ms.sue
the 3rd answer is supposed to be 2548 d.5096
asked by Celest 
Social Studies
Whats the office of the judicial system? U.S. Court?
asked by Colton 
math
How many 2,000 pound beluga whales would weigh as much as on 120,000 pound right whale?
asked by Archie 
Alg2
Find the value of c that will make the expression x^215x+c a perfect square. would c = 56.25 ?
asked by Cyn 
Social Studies
Which museum has a collection of 14 museums? Museum of Natural History?
asked by Colton 
Math
How would I write the function which defines a parabola with a vertex of (2,3) and axis x=2 ?
asked by Amy 
Social Studies
Home of the U.S. Congress? U.S. Capitol? Home of the Treasury offices Department of Treasury?
asked by Colton 
math
how do you write two fractions for 6/9
asked by shion 
computer programming
Write a program that uses a 20x20 board, initialised to a given pattern, to play the game Conway's life . After each turn print out the board pattern using a . for a dead square and a * for a live square. Squares off the board are considered permanently
asked by Ravinder Kaur 
computer programming
Write a program that uses a 20x20 board, initialised to a given pattern, to play the game Conway's life . After each turn print out the board pattern using a . for a dead square and a * for a live square. Squares off the board are considered permanently
asked by Ravinder Kaur 
Math
The end of a spring is pulled as far as it will go and then is released. On the first bounce back it extends 135 cm. On its second bounce back it extends 45 cm. On its third bounce back it extends 15 cm. How many times will the spring bounce back before it
asked by Maggie 
math
the area of the total surface of a polyhedron weighing 64 lb. is 340 sq. in. What is the surface of a similar polyhedron made of the same material and weighing 1000lb. ?
asked by sara 
Social Studies
Which factor does not help explain why Greece is considered part of Mediterranean Europe? A)membership in both the EU and NATO B)borders with Albania, the former Yugoslav republic of Macedonia, and Bulgaria C)geographic and historical ties to the region
asked by Courtesy 
res/342
If we compare the common variance by performing several test and the test is abnormal would we reject the hypothesis.
asked by anita 
math
how do you write two equivalent fraction for 35/56
asked by shion 
Living a Healthy Life
children should not be served drinks in containers made of... a. styrofoam b. uninsultated paper c. treated ceramic d. stainless steal My Answer is... b.
asked by Miranda 
physics
Question # 1 : What is the maximum acceleration a car can undergo if the coefficient of static friction between the tires and the ground is 0.82? Question # 2 : A 1.5kg block rests on top of a 7.5kg block. The cord and pulley have negligible mass, and
asked by ericka 
Chemistry
What is pH
asked by Nicole 
child care
Some child psychologists have concluded that _________ is the strongest predictor of both scholastic and career achievement. a.physical illness b.respect for authority c.emotional well being d.inherted intelligence My answerd
asked by Miranda 
Astronomy
Consider an object that emits thermal radiation at a peak wavelength of 12.2 nm. What is the temperature of this object?
asked by Ryan 
math
The Floor To Be Tiled Is A Rectangle I want To Know The Approximate Area Of The Bathroom Floor i Have String Handy And i Know That The Length of my tennis shoe is about 1 foot how can i find another way to describe the area of my room ?.
asked by China 
math
How can you use multiplication to check if a quotient is correct?
asked by Isabella 
Math
I have a challenge of drawing as many rectangles as I can but using only 8 squares on a grid that's only 4 across and 4 up. I can only draw two....
asked by Elise 
world history
Which of the following was not an innovation that came about due to militarization in the 1800s? A. Larger farms B. Margarine C. Canned food and milk D. Factory production of bread **My choice is C....
asked by girl 
physics
if the earth exerts a force 300n how much does the body weigh?
asked by Salvatore 
statistics
In a random sample of 112 State College students, 41 students reported being current smokers. a) Calculate the 95% confidence interval for the proportion of State College students who smoke.
asked by Anonymous 
government
ow do the freedoms outlined in the Declaration protect individuals from today's global issues of terrorism and nuclear warfare? Can someone please help!!
asked by lilman 
government
What challenges does the United Nations face in protecting human rights? Help Please!!
asked by lilman 
Art
I left out the following statements. I really need your revision. Thank you. 1) He keeps her (virtually) prisoner in his country house. 2)While she is wriing to her mum, her master surprises her. He accuses her of behaving foolishly for she informed both
asked by Frank 
phcalc
a pint of lotion contains 57 g of talc..What is the w/v percent strength of talc in the lotion.
asked by to MATHGURU 
define
can u define fateful in easy term.
asked by Celest 
phcalc
a pint of lotion contains 57 g of talc..What is the w/v percent strength of talc in the lotion.
asked by to MATHGURU 
Math
Solve This Equation x/(x1)+x=(4x3)/(x1)
asked by Brianna 
Science
If you have a 500 mL of a 0.4M Nacl solution. How much water is needed to make is 0.1M solution?
asked by Sue 
Science 7R  HW Qs. Check
14. Which muscle is responsible for bending the elbow joint? a) masseter b) trapezius (it can't be this answer cuz that's is the back) c) triceps d) biceps My Answer (and also think)  C am i correct????
asked by Laruen 
Science
If you have a 12M container of HCl avaliable. How much of this solution is needed to make up a 5.0L solution of 0.10M concentration?
asked by Sue 
beginning spanish
the question is : que estudias? I am to respond that I am a history major. Am I correct to say Estudio historia
asked by m 
Physics Help!!
Comparing Einstein's and Newton's theories of gravitation, can the correspondence principle be applied? and Why or Why not? a)Yes b)No
asked by Jake 
math
solve equation. 2p^250=0 PLEASE HELP
asked by sam