Questions Asked on
April 28, 2014

chemistry
The boiling point of another member of this homologous series was found to be 309 K \rm K. What is the likely molecular formula for this compound?
asked by Tiff 
Chemistry
Hydrogen peroxide can act as either an oxidizing agent or a reducing agent, depending on the species present in solution. Write balanced halfreaction equations for each of the following: (a) H2O2(aq) acting as an oxidizing agent in an acidic solution.
asked by Alexis 
Simple Chemistry
A.Write a brief procedure outling how would you prepare 250mL of a 0.150M solution of a CoCl2 from solid CoCl2 and distilled water b. Using the solution from part a and distilled water, how would you prepare 100ml of a 0.0600 M solution of CoCl2 C. What
asked by Armando 
Chemistry
use the data from this table of thermodynamic properties to calculate the maximum amount of work that can be obtained from the combustion of 1.00 moles of ethane, CH3CH3(g), at 25 °C and standard conditions. on the chart is said ethane(C2H6) is 84.0. In
asked by Alexis 
Chemistry
A reaction : A(aq)+B(aq) > C(aq) has a standard freeenergy change of –4.01 kJ/mol at 25 °C. What are the concentrations of A, B, and C at equilibrium if, at the beginning of the reaction, their concentrations are 0.30 M, 0.40 M, and 0 M,
asked by Alex 
Chemistry URGENT
can someone please tell me what formula's to use for the 2 following chemistry problems. 1. Calculate the solubility of potassium bromide at 23 degrees Celsius. hint. Assume that the solubility increases by an equal amount for each degrees between 20
asked by jazz 
social studies
PLEASE ANSWER! which most precisely describes the location of Southwest Asia? a) west of India b) south of the Arctic Cirlce c) north of the equator d) east of the Mediterranean Sea
asked by kaylie 
Math
find the elapsed time start time3:30 pm end time7:00 pm please help !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
asked by banana 
social studies
ANSWER! PLEASE!! which of the following most contributed the rise of Sumer? a. farming b. military power c. isolated location d. trade
asked by kay 
Math 3rd grade
Lee wants to cut this piece of canvas into two rectangles that are 3 x 2 and 3 x 5. He wants the sum of the areas of the two small rectangles to be the same as the area of the large rectangle. Can he do this? explain.
asked by mimi 
math
Dwayne answered 80% of the questions on a quiz correctly. If he answered 40 questions correctly, what was the total number of questions on Dwayne’s quiz?
asked by Anonymous 
Statistics
If the critical z value for a hypothesis test equals 2.45, what value of the test statistic would provide the least chance of making a Type I error? 3.74 10,000 2.46 4.56
asked by Student5 
Chemistry
A system which undergoes an adiabatic change (i.e., q = 0) and has work done on it by the surroundings has a. w < 0, ΔU = 0 b. w < 0, ΔU < 0 c. w > 0, ΔU < 0 d. w > 0, ΔU > 0 e. w < 0, ΔU > 0
asked by Chris 
Chemistry
Balance the following equation for a half reaction that occurs in acidic solution. Use e– as the symbol for an electron. U^4+ > UO2^+ There is a hint: In acidic solution, you may add H2O and H as needed to balance oxygen and hydrogen. When finished,
asked by Clueless 
English help please
2. You finished writing a research paper on the way modern technology affects communication within families. Now you need to include the citation for an editorial published in the Sacramento Gazette titled “Should We Just Text Our Children?” However,
asked by Cassie 
Math
Will bought a package of 24 juice bottles for $7.44. Which equation relates the cost, c, of a package of juice bottles to the number of bottles, b, in the package? A. C= 0.31b B. C= 3.10b C. C= 3.23b D. C= 7.44b Also, please show how you solved!!!
asked by Niamh 
Math
Please help.I need to find two hundredth digit in the decimal representation of each of the following fractions 5/6 4/11 1/13 Thanks.
asked by Hec01 
Math
6. Which is the best measure of central tendency for the type of data belowthe mean, the median, or the mode? Explain. Hours of sleep each night A. Median; there will be outliers B. Range; there are no outliers C. Mode; the data are nonnumeric D. Mean;
asked by SebbyChan 
Chemistry
separate this redox reaction into its component halfreactions. O2 + 4Cu>2CuO Oxidation halfreaction: ? Reduction halfreaction: ? I believe that the Oxidation is copper and that reduction is oxygen. So I tried to write it as 4Cu^+ > 4Cu + 4e^ O2^2
asked by Sophie 
gfd
A 10.6 kg object oscillates at the end of a vertical spring that has a spring constant of 2.05 × 104 N m1 . The effect of air resistance is represented by the damping coefficient b = 3.00 N .s m1 . (a) Calculate the frequency of the damped oscillation.
asked by Anonymous 
Algebra
following the birth of his son, Ben deposits $35,000 in a college trust fund where interest is 8.9% compounded semiannually. find a function for the amount in the account after t years.
asked by Ced 
Math
How many ways can seven children sit on a bench? How many of these arrangements are the two oldest always together?
asked by Varaksa 
physics
A child and sled with a combined mass of 48.4 kg slide down a frictionless hill that is 7.15 m high. If the sled starts from rest, what is its speed at the bottom of the hill?
asked by josselyne 
physics
A 60 kg stunt person runs off a cliff at 5.3 m/s and lands safely in the river 11.8 m below. What was the splashdown speed?
asked by josselyne 
Math
Karen sells tickets a movie theater. Last night she sold 128 tickets for a total of $1108. Adult's tickets cost $10 and children's tickets cost $6 how many of eac h kind of ticket did karen sell?
asked by ang 
Math
A calendar that has one page per day is 7 inches long, 7 inches wide, and 2 inches high. What is the volume of one page of the calendar? Round your answer to the nearest thousandth.
asked by Steven 
chemistry
. A 0.428gram sample of a mixture of the solids, KCl and KClO3, is heated. If 80.7 mL of oxygen gas is collected over water at 18.0 oC and 100.8 kPa, calculate the mass percentage of KClO3 in the mixture. (PH2O at 18.0 oC = 15.5 torr
asked by treasa 
Math
A swimming pool is in the shape of a cuboid with dimensions 50 metres long by 25 metros wide by 2.5 metres deep. If the pool is completely filled with water, calculate a) the volume of water in the pool b) the longest straight distance a swimmer could swim
asked by Lucas 
Chemistry: Please check my work!I am stumped
When nitroglycerin (C3H5N3O9) explodes, it decomposes into the following gases: CO2, N2, NO, and H2O. If 239g of nitroglycerin explodes, what volume will the mixture of gaseous produces occupy at 1.00 atm pressure and 2678oC? a. Write a balanced equation
asked by Suzanne 
math (5)
Country Workshop manufactures both finished and unfinished furniture for the home. The estimated quantities demanded each week of its rolltop desks in the finished and unfinished versions are x and y units when the corresponding unit prices, in dollars,
asked by Mia 
Math
What is the next number in the pattern 2,7,26,101,400
asked by Kelley 
Math 1314
A pond is enclosed by a wooden deck that is 3 feet wide. The fence surrounding the deck is 100 feet long. If the pond is rectangular and the length of the pond is to be three times its width, what are its dimensions?
asked by Ellastine Mouton 
Algebra
following the birth of his son, ben deposits $35,000 in a college trust fund where interest is 8.9% compounded semiannually. find the amount of money in the account at t= 2.5, 4 and 6 years
asked by Ced 
social studies
HELP PLEASE how do the monarchies throughout Arabia and Iraq most differ from one another? a they have different constitutions. b they have different elections processes. c some have absolute power, and some have limited power. d some are family
asked by bailey 
Astronomy
One possible energy source for the mysterious object you've just discovered is the fusion of hydrogen to form carbon12 (the most common and stable isotope of Carbon). Hydrogen has an atomic mass of 1.00794 u, while carbon has an atomic mass of 12.010 u.
asked by qwerty 
statistics
A clinical psychologist notices that admission to the psychiatric hospital she works at seem to vary by season. Using a chisquare test, she rejects the null hypothesis that hospital admission is independent of season. What conclusions can she make? a.
asked by April 
chemistry
1.00 of an aqueous solution contains 1.52g of a compound used in antifreeze. If the osmotic pressure of this solution at 20.0 degree C is 448 torr, calculate the molar mass of the antifreeze compound
asked by courtney 
physics
With a magnetic field perpendicular to a single 13.2 cm diameter circular loop of copper wire decreases uniformly from .670 T to zero. If the wire is 2.25 mm in diameter how much charge moves past a point in the coil during this operation?
asked by jon 
Chem
Write a brief procedure outling how would you prepare 250mL of a 0.150M solution of a CoCl2 from solid CoCl2 and distilled water
asked by Armando 
algebra i
if have a coupon for $50 off your camera purchase of a $100 or more at zeke,s camera world. give domain of this !@#$%^&tion. purchase price after coupon,y,to retail price,x.
asked by noinamre 
Math
A ball is thrown downward from the top of a 100foot building with an initial velocity of 14 feet per second. The height of the ball h after t seconds is given by the equation h=16t^214t+100. How long after the ball is thrown will it strike the ground?
asked by Rachel 
Barber Scotia
your planning to buy a new computer monitor and printer for your office. you received the following prices: Store 1; Computer 2500 monitor 595 printer 398 Store 2 computer 2350 monitor 435 printer 349 find the total package price from each store and then
asked by Tamela 
Algebra
Which of following is a solution to x^3=8 24, 5, 2.73 or 2?
asked by Anonymous 
Chemistry: please help, I am stumped
When nitroglycerin (C3H5N3O9) explodes, it decomposes into the following gases: CO2, N2, NO, and H2O. If 239g of nitroglycerin explodes, what volume will the mixture of gaseous produces occupy at 1.00 atm pressure and 2678oC? a. Write a balanced equation
asked by Suzanne 
physics
A total charge of +4 C flows from the +9 V positive terminal of a battery to the negative terminal at 0 V. What is the change in potential energy of the charge?
asked by Amanda 
math
a cylindrical metal bar has a base radius of 2cm and a height of 9cm. it is melted down and recast into a tube. Find a side of the cube
asked by Michael 
Physics MCQ  Quick check
A washing machine spin dryer has a period T. In order to triple the centripetal acceleration of the clothes in the dryer the period should be ? 3T A cube of mass 2.0 kg is kept pressed against a vertical wall by applying a horizontal force of 60N. If the
asked by James Henry the 3rd 
math
A cube with side length 4 centimeters is 25% full of sand.What is the volume of the sand?
asked by Steven 
Math (6)
Country Workshop manufactures both finished and unfinished furniture for the home. The estimated quantities demanded each week of its rolltop desks in the finished and unfinished versions are x and y units when the corresponding unit prices, in dollars,
asked by Mia 
math
write and solve an equation to find the missing dimension of the rectangular prism. Volume= 1km cubic L=3/4 km W=2/3 km H= ?
asked by Steven 
math
it cost $.15 to make copies at the library and a new printer cost $200 each copy is $.02 how many copies does it take to the cost at the library and from a new printer become equal
asked by Anonymous 
MATH 12
The total surface area of a squarebased open top rectangular box is 12 square units. Find the dimensions of the box such that the volume is the maximum.
asked by BIINWEI 
College Algebra
A rancher needs to build four identical pens for his animals as shown in the diagram below. He has 240 feet of fencing. He does not need to put the fence along the barn. Find the length and width that would maximize the area of the pens. What is the
asked by Cruz 
chemistry
how many grams of hydrogen are needed to completely react with 8 moles of nitrogen from this equation N2+H2=NH3
asked by tasha 
business math
A simple interest calculation provides a useful estimate of what compound interest will be if ____________
asked by Anonymous 
MathHelp
A rock is tossed straight up into the air. The height h (in feet) t seconds after it is tossed is given by the function: h(t)=16t^2+100.4t+5.1 (a) Make a table of values for 0 to 10 seconds. (b) Graph the function. (c) What is the initial height of the
asked by Kevin 
math
if two dependent samples of size 20 are used to test the difference between the means, the degrees of freedom for a tstatistic is 19, true or false
asked by Anonymous 
Finance
ABC Company is engaged in the manufacturing of electronic equipment. The Company has reported net loss for the year 2013 but its Cash Flow Statement is showing a positive net cash flow. Being a student of Business Finance, you are required to discuss
asked by fatima 
Math
Ryan left the science museum and drove south. Gabriella left three hours later driving 42 km/h faster in an effort to catch up to him. After two hours Gabriella finally caught up. Find Ryan's average speed
asked by Anonymous 
math
the length of a rectangle is 3 times its breadth.its perimeter is 64cm.find its length?
asked by Anonymous 
Calculus
How do you find the first and second derivative of the following function? P(t)=20/(1+3e^0.02t)
asked by Te 
Math
A cell phone company charges a monthly fee of $17.95 and $0.03 per minute Write an equation that represents the cost (c) for using the cell phone for minutes (m) Use your equation from part a to find the cost for using the phone for 150 minutes
asked by Gina 
Biology
Hormones are _____? a) produced only in response to environmental stress b) are all under the control of the pituitary gland c) signals that must interact with DNA in order to be effective d) always proteins I feel like it is b) because hormone receptors
asked by Lauren 
Math
Simplify (3 sqrt 8 + 4 sqrt 9)^2.
asked by Anonymous 
Algebra
Simplify each expression. State any excluded values. (2x^2 + 6x) / 10x^3
asked by Sandra 
math
A 12 cm by 12 cm ice cube tray is in the shape of a cuboid with twelve hemispheres inset. The depth of each hemispheres is 1 cm. a) If all the hemispheres were filled with water, calculate the total volume of water that the ice cube tray could hold. It is
asked by Lucas 
chemistry
calculate the vapor pressure of a solution 0.53 mol of cholestrol in 4.1 molof toluene at 32 degree C. pure toluene has a vapor pressure of 41 torr at 32 degree C
asked by courtney 
chemistry
what is the boiling point of 0.212 m lactose in water?
asked by courtney 
physics
The electric potential increases from 10 V to 70 V from the bottom plate to the top plate of a parallelplate capacitor. We are going to move a charge of +5 x 104 C from the bottom plate to the top plate. What is the magnitude of the change in potential
asked by Amanda 
A.P English
We're supposed to point out some parallelism in the book "Beloved" by Toni Morrison. When I looked it up, I found things about the people the book is based off of being considered parallelism. Isn't that allusion, though? Parallelism is when a phrase is
asked by Me 
Physics
A sniper fires a bullet at 120 m/s at 30° above the horizontal from the roof top of a 35 m high parking garage. If the bullet strikes the level ground beside the parking garage:
asked by Corey Brown 
Chemistry
A saturated solution of magnesium iodate has a temperature of 50°C. it contains 175g of dissolved solute. What is the volume of the solution?
asked by Tyler 
Physics waves check answers please
1. A vibrating point on a spring travels 60 mm during three cycles. What is the amplitude of the vibration? my answer: I got 10 mm but I'm not sure if it is the correct answer. 2. For two connect pendulums to resonate, they must have the same: a) mass b)
asked by Liz 
math (2)
Compute the following values for the given function. f(x, y) = 5xye^(x^2+y^2) a. f(0,0)= ? b. f(0,1)= ? c. f(1,1)= ? d. f(1,1)= ?
asked by Mia 
statistics
for a hypothesis comparing two population means, what is the critical value for a onetailed hypothesis test, using a 5percent level of significance level, with both sample sizes equal to 13? the standard deviations for the samples are 5 and 7. assume the
asked by marsha 
geometry
ee wants to cut this piece of canvas into two rectangles that are 3 x 2 and 3 x 5. He wants the sum of the areas of the two small rectangles to be the same as the area of the large. Can he do this? explain.
asked by mimi 
Chemistry
Dear Sir DrBob22 Thank you for your response we have an oil well. the well column has been completed (filled up) with completion fluid of gasoline. we want to stimulate the well by 28% HCL. if 28% HCL is to be injected into the the well column, whether a
asked by Ramtin 
biology
What are some of the costs of the destruction of the rain forest?
asked by Denise 
math (4)
Find the domain of the function. Write your answer in interval notation. (If you need to enter ∞ or ∞, type INFINITY or INFINITY.) h(u,v) = sqrt(4u^2v^2) u^2+v^2 = ?
asked by Mia 
chemistry
Under standard conditions, the Gibbs free energy of the reactants G,std(reactants) in a reaction in the gas phase is 232.94 kJ and the Gibbs free energy of the products G,std(products) is 211.56 kJ. Calculate the value of the equilibrium constant for this
asked by bekah 
Social work
What kinda of game board or card game should I create about gay people? I need ideas. Thanks.
asked by Jessica 
English
Why traditional african marriege is an advantage for men only nt women?
asked by Zameka 
Math
What happens to the volume of a rectangular prism length, the width, and the height by 2?
asked by Steven 
math
Evidence of an increased risk of lung cancer associated with cigarette smoking was sought by Doll and Hill. In one study, 649 lung cancer cases were matched by age, and gender to 649 controls; 647 of the cases and 622 of the control had a history of
asked by Tracy 
physics
A large cube (one side measuring 1.0 m) is submerged in water, with the top face of the cube 8.7 m below the surface. Find a) the force exerted by the water on each face of the cube. b) the buoyant force on the cube.
asked by Anonymous 
reading
strength of the arguments about Tarbell’s position on women suffrage
asked by yasminb. 
Homework helpline?
Is there a homework helpline for college level I can call and ask homework questions through the phone? I know there is one that is available for elementary school and middle school, and it would seem a little ludicrous for one to be available for this
asked by Dana 
MathHelp
A manufacturer has determined that pro t P (in dollars) is a quadratic function of dollars per month a spent on advertising. The relationship is given by p=1+50a0.1a^2 if a is at most 500 dollars per month How much should be spent on advertising if pro t
asked by Kevin 
Epidemiology
1. Evidence of an increased risk of lung cancer associated with cigarette smoking was sought by Doll and Hill. In one study, 649 lung cancer cases were matched by age, and gender to 649 controls; 647 of the cases and 622 of the control had a history of
asked by Anonymous 
Science. Check Answer
Decided wheather work is being done or not. If it is being down write W. If not write N 1. You throw a baseball a distance of 20 meters. My answer: W 2. You lift a suitcase to put in the overhead luggage compartment of a plane. My answer: N 3. You push
asked by Kalie 
statistics
if we are testing for the difference between two populations, it is assumed that the two populations are approximately normal and have equal variances, true or false
asked by marsha 
Physics
Estimate the total amount of translational kinetic energy in a small classroom at normal room temperature. Assume the room measures 5.00mm by 12.0mm by 4.00mm .
asked by Spaceman 
math
A 12 cm by 12 cm ice cube tray is in the shape of a cuboid with twelve hemispheres inset. The depth of each hemispheres is 1 cm. a) If all the hemispheres were filled with water, calculate the total volume of water that the ice cube tray could hold. It is
asked by Lucas 
Language. Check answer
Revising sentences for agreement. There is either an error in subjectverb agreement or an error in pronounantecedent agreement 1. Many a girl has taken Shirley Chisholm as their model of success. My answer: Many girls has took Shirley Chisholm as their
asked by Kalie 
Biology
Hormones are _____? a) produced only in response to environmental stress b) are all under the control of the pituitary gland c) signals that must interact with DNA in order to be effective d) always proteins I feel like it is b) because hormone receptors
asked by Lauren 
Physics
A certain planet is located 3.54 x 10^11 m from its sun. If its orbital period is 4.9 x 10^7 s, find the mass of its sun.
asked by Anonymous 
physics
The potential energy of a +2 x 106 C charge decreases from 0.15 J to 0.05 J when it is moved from point A to point B. What is the change in electric potential between these two points? Do not enter any () sign in your answer.
asked by Amanda 
Language. Check answers
My last questions. Direction: Proofread for correct verb forms. If sentence is already correct write C 1. Luis Ortega has been describe as history's greatest rawhide braider. My answer: Luis Ortega have been describe as history's greatest rawhide braider.
asked by Kalie 
physics
What is the total internal kinetic energy of 16.2 moles of a monatomic ideal gas at a temperature of 279 K? KE =
asked by sean 
physics
Your vertical spring accelerometer has a 40 g mass hanging from it. You climb aboard the roller coaster that starts at rest and watch the accelerometer read 0.45 for 5 seconds while descending the first peak and then change to 2.8 for 2.5 seconds while
asked by jeff 
Math
A 12 cm by 12 cm ice cube tray is in the shape of a cuboid with twelve hemispheres inset. The depth of each hemispheres is 1 cm. a) If all the hemispheres were filled with water, calculate the total volume of water that the ice cube tray could hold. It is
asked by Lucas 
Biology
Describe how a monomer is the basic unit of all macromolecules.
asked by Lori 
biology
What are some factors that might slow destruction of the rain forest?
asked by Denise 
math
Having a hard time with equal and groups.. 13 into 6 groups and what is left over..
asked by cole 
physics
A steel (\alpha = 12 x 10^{6} ^o C^{1}) container with a volume of 548 {cm}^3 is filled with oil (\beta = 0.7 x 10^{3} ^oC^{1}). If the temperature is increased by 10^oC how much oil overflows? V_{spillage} =
asked by sean 
ela
Is there another word/phrase for the value "treat others the way you want to be treated"?
asked by maya 
accounting
i need help working through this! i am stuck. 3. Definitions of manufacturing concepts Interstate Manufacturing produces brass fasteners and incurred the following costs for the year just ended: Materials and supplies used Brass $75,000 Repair parts 16,000
asked by eric 
Math
1. Sqrt 14r * 2 sqrt 4r Is this 4r sqrt 14? 2. (sqrt 64 y^10 h^5)/(sqrt 16 y^12 h^3) Is this (sqrt 4h^2)/(y^2)
asked by Anonymous 
Science
Are the following Ionic, covalent or both? NH4Cl and NaOH Thanks
asked by Erin 
math
1.FIND the bank discount and proceeds on the following loans i) RM4000 FOR 3 MONTHS at 10 1/2 percent ii) RM4215 FROM 10 june to 5 august of the same year at 10 percent
asked by fizz 
physics
In the previous problem (Question 4), if the distance between the two plates of the capacitor is 3 cm, what is the magnitude of the uniform electric field between the two plates?
asked by Amanda 
Math
Identify any real and extraneous solutions for the equations below. Sqrt p = 1
asked by Anonymous 
math (3)
Find the domain of the function. Write your answer in interval notation. (If you need to enter ∞ or ∞, type INFINITY or INFINITY.) f(s,t)= sqrt(s^2+t^2) s = ? t = ?
asked by Mia 
POL201
Fre!@#$%^& Winslow Tylor was concern with all but the following a. making workers feel appreciated b. making 1st class worker out of 2ne class worker c. efficiency d. good management
asked by Ella 
pipe fitter test certification
Please Help!...I am in need of a study guide for my pipefitters test, or an outline of what's on the test. Unfortunately I am not able to take the class available. PLEASE if you know of one or where one would be available. Any information will be greatly
asked by Ashley 
physics
A charge of +0.5 C is moved from a position where the electric potential is 10 V to a position where the electric potential is 70 V. What is the the change in potential energy of the charge associated with this change in position?
asked by Amanda 
biology
What is a description of the Amazon rain forest—definition of rain forest; characteristics ; location and size of the Amazon rain forest
asked by Denise 
biology
Describe the resources found in the Amazon rain forest—why is the rain forest so important?
asked by Denise 
Math Help
Consider the quadratic equation (a) Solve the equation using the quadratic formula, expressing your answer in terms of k. (b) What condition on k will assure that the equation has exactly one solution? (c) What condition on k will assure that there are two
asked by Tony 
Law
Which of the following is an example of thirdparty policing? A. The police coercing a slumlord to fix a problem at one of his or her apartment complexes or face possible civil consequences B. The police using their power and authority to force the owner
asked by Amy 
Astronomy
Imagine that a rival astronomer proposes that your mysterious object is actually the mouth of a wormhole to another dimension. The rival astronomer calculates that the wormhole mouth would need to be 10^13 m in diameter and would last for around a thousand
asked by qwerty 
Astronomy
Another possible energy source would be gravity. Imagine that the strange object contains a black hole of mass mbh. You drop a star of mass m into it. If the star of mass m starts at rest at infinity, what will the kinetic energy of the star be when it
asked by qwerty 
Physics: Earthquakes
I'm studying for an upcoming exam and I came across this problem: 10 seconds separate the P and Swave arrival times of an earthquake which shakes you 1m. How far away is the earthquake epicenter and what is the magnitude? I'm stuck and would really
asked by Student 
ela
explain why each word or term is either capitalized or not.EX: President George Washington ; title and name of a person. 1]Robert E. Lee was a general in the Civil War. I just need an idea of how to answer these questions so i can do the rest.
asked by anabelle 
Science chemistry
How much mgs can be obtained from 20g of mg and 20 g of s by the reaction mg+s_>mgs
asked by Anonymous 
Biology
What are the differences between proteins produced in free ribosomes versus proteins produced in the rough endoplasmic reticulum?
asked by Cammy 
math
At a supermarket, pineapple juice sells at $1per unit (16ounces). Greg wants to buy eighteen 40 ounce cans of pineapple juice from the supermarket. How much does he have to pay altogether?
asked by Angela 
Science
Please help! Is Mgl2 Magnesium iodide or Magnesium Chloride, I am confused
asked by Erin 
Physics
A satellite is placed 39875 m above the Moon's SURFACE. (M=7.35e22 kg, R=1.74e6 m) Find the Period of the satellite in seconds. (assume a circular orbit)
asked by help please!!1!11 
chemistry
what are three examples of a hypothesis? Or at least one....
asked by slomomo 
math (1)
Compute the following values for the given function. h(x,y)=(2x+8y)/(xy) a. h(0,1)= ? b. h(1,1)= ? c. h(2,1)= ? d. h(pi,pi)= ?
asked by Mia 
Astronomy
Imagine that you have just discovered a strange object. This object is a distance D away, has a redshift z, and you measure a flux for it f. Derive an equation for the luminosity L of this object.
asked by qwerty 
Statistics
A song must be n longer than 3 minutes and 30 seconds, or (210 seconds) Micheal Jackson founds out that his mean song length is 244.6 seconds with a standard deviation of 29/3 seconds. What is the null hypothesis and the alternative hypothesis, what is the
asked by Nicole 
Math Urgent!
A manufacturer has recorded the profit P (in dollars) when there is a monthly advertising expenditure of A dollars. The data is recorded in the following table. A 200 500 800 1100 1300 P 8030 14,480 14,630 8480 860 (a) Find a quadratic model for pro fit as
asked by Kyle.R 
College Algebra
The weight W in ounces of a certain small mammal is proportional to the cube of its length L in inches. The length in inches of the animal depends on its age t in years. The relationship is as follows: L = 8(1e^t) (a) Express W as a function of t using c
asked by Kyle.R 
accounting II
3. Definitions of manufacturing concepts Interstate Manufacturing produces brass fasteners and incurred the following costs for the year just ended: Materials and supplies used Brass $75,000 Repair parts 16,000 Machine lubricants 9,000 Wages and salaries
asked by eric 
Math
In an isosceles triangle, each side is 18 inches more than the third side. The perimeter equals 54 inches. What is the length of each side?
asked by Anonymous 
Statistics
A song must be n longer than 3 minutes and 30 seconds, or (210 seconds) Micheal Jackson founds out that his mean song length is 244.6 seconds with a standard deviation of 29/3 seconds. What is the null hypothesis and the alternative hypothesis, what is the
asked by Nicole 
Chemistry URGENT
Help. what is the formula to figure out the total mass of a solution?
asked by jazz 
Chemistry URGENT/DR BOB
Hello Dr.Bob, the saturate at 60 degrees Celsius is 85.5g i hope this helps with the problem I posted at 12:49am thanking you in advance
asked by jazz 
math
The length of a rectangle is 3b + 2 and the width is 9b + 6. What is the ratio of its length to its width?
asked by Katy 
English
He is not only a great baseball player ,but also a fine pianist. Which is correct (a) preposition ( b) adjective (c) correlative (d) adverb
asked by Samantha 
Integrated Trig
How many years will it take for an initial investment of $5,000 to double if it is invested at a rate of 3% compunded continuously? Compounded annually?
asked by Denise 
Physics
What is the total internal energy of 5.00molmol of 30∘C^\circ C He\rm{He} gas and O2\rm{O_2} gas, respectively?
asked by Spaceman 
Chemistry lab reports online?
Are there any websites with other students' lab reports with calculations online? I do not want to copy and am completely against plagiarism. I just want to look at others' examples to help in giving me ideas on how to write my own and make sure I have
asked by Joanna 
Music
So I am doing an essay and I wanted to know the lyrics to Am I Born To Die by Tim Erikson, it is in the 2003 movie Cold Mountain. I cannot follow links, so if you could copy and paste the lyrics, I would appreciate it.
asked by imissbobby♥ 
Math
Mary has a container of sugar in the shape of a cylinder the container has a diameter of 10 inches and a height of 6 inches if the container is full how much will the sugar weigh if the average weight of the sugar is 0.2 ounces per cubic inch round to the
asked by Gina 
Language. Check answer
Revising sentences for agreement. There is either an error in subjectverb agreement or an error in pronounantecedent agreement 1. Two dollars were once considered generous pay for an hour's work. My answer: Two dollars was once considered generous pay
asked by Kalie 
Biology
List four !@#$%^&tions of the skin
asked by samuel ola 
english
Can someone help me to write only five or ten sentences about there self, you may include any, all or none of the following details:your daily activities,your family, your hobbies, your future goals,and your favorite dinner please!!!!!??? I need help it
asked by zuzu 
us history
can you check my answers please? The “silent majority” referred to A. conservative working and middleclass citizens B. women C. a liberal coalition of ethnic minorities, women, the aged, and the poor D. the nation’s youth E. deafmutes in
asked by jess 
Help Math
Newtons law of gravity states that the gravitational attraction F between two bodies is proportional to 1 over the square of the distance d between their centers. (a) Using k as the constant of proportionality, express F as a function of d. (b) What
asked by Tony 
Algebra 2
Carsen has a choice of shirts for soccer practice. The shirts are small, medium, and large. She has a black shirt and a blue shirt. The other choice is long sleeve or short sleeve. How many choices does Carsen have?
asked by Denise 
Grammar
Write a word or phrase to describe the feeling or meaning that the end punctuation indicates. 1. There are no vacant rooms at the inn? A: Anxious feeling. 2. There are no vacant rooms at the inn. A: ? 3. Summer is here! A: Excitement. 4. Summer is here? A:
asked by Victoria 
Maths
Help uta earns $33 each week weeding flowers bed in her neighborhood for the summer she calculates her total weekly expenses for supplies to be $m write an expression to show the amount uta will have after 7 weeks
asked by Pinks 
math
5x2(x+4)=3(2x+1) How can I solve this problem please help me
asked by Dylan river 
math
2x+8=3x+2 Can you please help me solve this one problem please
asked by emma 
Math
Simplify sqrt 250 j^4 o^5 Everything is under the radical.
asked by Anonymous 
Grammar
Write a word or phrase to describe the feeling or meaning that the end punctuation indicates. 1. There are no vacant rooms at the inn? A: Anxious expression. 2. There are no vacant rooms at the inn. A: Disappointed expression. 3. Summer is here! A: Excited
asked by Victoria 
math question
If jack has a 63% as his grade.If he takes a test worth 9% and got 10/10 what would his grade be then?
asked by matt 
A.P English
Would the use of the phrase "wore her out" regarding a certain character throughout the first 100 or so pages of the book count as parallelism?
asked by Me 
algebra2
Cassandra starts working for a company for an annual salary of $30,000.If she earns a 2% raise at the end of each year, what will her total earnings be after five years?
asked by Denise 
college algebra
x5/6
asked by kia 
Math
At which points do the lines intersect 2x+y=8 y=3(x3) A. 0,8 B. 3,2 C. 2,4 D. 1,6
asked by James 
MathClarification
Identify any real and extraneous solutions for the equations below. Sqrt p = 1 So, would this have no real or extraneous solutions?
asked by Anonymous 
School Help
current conditions of health? and do they need UNDP Assistance ???
asked by matt 
Statistics
Construct a 95% confidence interval for population mean: My friends measured 40 fish and found that the mean length of the fish sampled was 3.7 cm with a standard deviation of 0.5 cm.
asked by Mashall 
Chemistry
what three substances are usually electrolytes?
asked by Anonymous 
math
1.FIND the bank discount and proceeds on the following loans i) RM4000 FOR 3 MONTHS at 10 1/2 percent ii) RM4215 FROM 10 june to 5 august of the same year at 10 percent
asked by jenny 
modern wrld history
why is the rain forest important
asked by kathy 
Math
A filling cabinet is 35 centimeters by 70 centimeters by 115 centimeters. The bottom drawer is 30% of the volume of the filling cabinet. What is the volume of the bottom drawer?
asked by Steven 
math
How do I find the number of millimeters long a beak is?
asked by annie 
math
25+6
asked by nicole 
Engineering Physics
which of the following is equal to the angular acceleration of a disk? a)first time derivative of angular position b) second time derivative of angular position
asked by Ash