Questions Asked on
October 29, 2010

physics
With acceleration of 2500 m/s2, how long will it take to rreach speed of light
asked by Emily 
math
pt) Anne, Bill, and Cathy are eating dinner together at a restaurant. When it is time for dessert, the server tells them that the restaurant has apple, cherry, pecan, blueberry, and pumpkin pies; carrot, German chocolate, coconut, and apple spice cakes;
asked by Jacqui 
biochemistry
can alanine at ph 7 have a carboxyl group (COOH) and the amino group (NH2)?
asked by pls help 
chemistry
Are amino acids other than the usual 20 amino acids found in proteins? If so, how are such amino acids produced?
asked by Nicki 
chemistry
consider the following reactions O+N2>NO+N Ea=315kj/mol Cl+H2>HCl+H Ea=23kj/mol Why is the activation energy for one much lower that the other. The frequency factor is very close in value for the two. Assume they are the same compute the ratio of the
asked by help 
Calculus
find the derivative y= csc^1 (secx) 0 less than or equal to x less than or equal to 2¤Ð what did i do wrong?  1/ secx sqrt(secx^2 1) * secxtanx
asked by Jin 
math
write each ratio as a fraction in simplest form? 60 to 24 is it 60/24 = 15/6???
asked by Lilly 
english 3
who was the main character in epicac
asked by mandy 
computer science
write a program that prompts the user to input three numbers. The program should then output the numbers in nondescending order.
asked by Cathy 
Calculus
find all values of x for which function is differentiable. y=lnx^2 why is the answer= for all x doesn't equal 0?
asked by Jin 
Math
when // lines are cut by a transveral, alternate exterior angles are congruent. true of false ? Explain please.
asked by alicia 
chemistry
Hydrogen cyanide is a highly poisonous, volatile liquid. It can be prepared by the following reaction. CH4(g) + NH3(g) → HCN(g) + 3 H2(g) What is the heat of reaction at constant pressure? Use the following thermochemical equations. N2(g) + 3 H2(g) → 2
asked by caroline 
CALC HARD...
Suppose that 430 ft of fencing is used to enclose a corral in the shape of a rectangle with a semicircle whose diameter is a side of the rectangle. (In the figure below, the blue outline represents the fencing.) Find the dimensions of the corral with
asked by HELP 
chemistry
Carbon disulfide is a colorless liquid. When pure, it is nearly odorless, but the commercial product smells vile. Carbon disulfide is used in the manufacture of rayon and cellophane. The liquid burns as follows. CS2(l) + 3 O2(g) → CO2(g) + 2 SO2(g)
asked by caroline 
CALC HARD...
Suppose that 430 ft of fencing is used to enclose a corral in the shape of a rectangle with a semicircle whose diameter is a side of the rectangle. (In the figure below, the blue outline represents the fencing.) Find the dimensions of the corral with
asked by HELP 
math
Write the equation of the hyperbola with centre at (3,1),vertex)6,1),one asymptote with equation2x4y=9
asked by ck 
CALC HARD...
Suppose that 430 ft of fencing is used to enclose a corral in the shape of a rectangle with a semicircle whose diameter is a side of the rectangle. (In the figure below, the blue outline represents the fencing.) Find the dimensions of the corral with
asked by HELP 
math
20 fl oz/min = __ qt/day answer: 1qt/4 day?
asked by Lilly 
health
The job of a privacy official is to A. Develop and implement privacy policies & and & prosedures. B. Monitor the use of passwords and other types of security measures. C. Determine what information is private and what can be disclosed. D. Conduct risk
asked by Zinoviy 
psychology
220514130014401434210 find the variance
asked by Dianne 
physics
A 2100 kg car rounds a curve of 67 m banked at an angle of 13. If the car is traveling at 105 km/h, will a friction force be required? If so, in what direction?
asked by Emma 
7th grade
Erm how does this site wrk?
asked by Alec 
eth 125
Make a prediction about opportunities and challenges that an increase in diversity may present in the United States
asked by Anonymous 
health
If an instructional review board is involved in a request for information, the information is likely sought by a A. Health care facility. B.Researcher. C. Court. D. Substance abuse center.
asked by Zinoviy 
Ecology
Questions (45) You let your neighbor shoot coyotes on your ranch in Arizona. After all the coyotes are gone, you notice that the rabbit population increases dramatically. Along with this you notice that the rabbits have consumed most of the grasses and
asked by Bobby 
chemistry
Suppose you mix 20.1 g of water at 66.2°C with 44.6 g of water at 35.7°C in an insulated cup. What is the maximum temperature of the solution after mixing?
asked by caroline 
chemistry
A 19.5g sample of a metal was heated to 61.67°C. When the metal was placed into 26.5 g of water in a calorimeter, the temperature of the water increased from 25.00°C to 30.00°C. What is the specific heat of the metal?
asked by caroline 
Chemistry
Alumminum hydroxide reacts with sulfuric acid as follows: 2Al(OH)3+H2SO4>Al2(SO4)+6H2O. Which reagent is the limiting reactant when 0.500 mol Al(OH)3 and 0.500 mol H2SO4 are allowed to react? How many moles of Al2(SO4)3 can form under these conditions?
asked by Chris Sung 
health
A notice of use & and & disclosure is required for A. Every patient a doctor treats. B. New patients,but not established patients. C. patients whose personal health information the doctor intends to disclose. D. Patients treated for sensitive conditions,
asked by Zinoviy 
chemistry
suppose you have an unlimited supply of copper (II) chloride to react with iron. How many moles of copper would be produced by reacting 34 grams of iron with the copper(II) chloride solution?
asked by sarah 
chemistry
Ethylene glycol, HOCH2CH2OH, is used as antifreeze. It is produced from ethylene oxide, C2H4O, by the following reaction. C2H4O(g) + H2O(l) → HOCH2CH2OH(l) Use Hess's law to obtain the enthalpy change for this reaction from the following enthalpy
asked by caroline 
chemistry
Calculate the heat released when 4.260 L Cl2 with a density of 2.46 g/L at 25°C reacts with an excess of sodium metal to form solid sodium chloride at 25°C.
asked by caroline 
chemistry
How many grams of oxygen gas are required to produce 7.46 kJ of heat when hydrogen gas burns at constant pressure to produce gaseous water? 2 H2(g) + O2(g) → 2 H2O(g) ΔH = −484 kJ Liquid water has a heat of vaporization of 44.0 kJ per mole at 25°C.
asked by caroline 
chemistry
How much heat is released when a mixture containing 12.6 g CS2 and 12.6 g Cl2 reacts by the following equation? CS2(g) + 3 Cl2(g) → S2Cl2(g) + CCl4(g) ΔH° = −230. kJ
asked by caroline 
Physics
A building superintendent twirls a set of keys in a circle at the end of a cord. If the keys have a centripetal acceleration of 115 m/s2 and the cord has a length of 0.36 m, what is the tangential speed of the keys?
asked by Carol 
Calculus
Let f(x)=−2 x^3 − 3 x^2 − 2 x − 10. Find the interval where f is concave up. I Answer: < x < Find the interval where f is concave down. Answer: < x < Find the inflection point of f. Answer: x=
asked by Erika 
math correct or not correct
1.5 gal/min = __ qt/hr 360 qt/hr?
asked by Lilly 
math correct or not correct
1.5 gal/min = __ qt/hr 360 qt/hr?
asked by Lilly 
College Algebra URGENT
f(x)=1/(x+4) g(x)1/(6x+4) what is f(composed)g(x) if x does not equal 4/6 please help me
asked by Jess 
history
why seven years war called great war for empire? please help. thank you.
asked by heather 
math
Anna and Julia each take a bicycle trip. Anna rides 20 miles in 1 1/3 hours. Julia rides 246 miles in 16 hours. Which has slower unit rate? By how much?
asked by Lilly 
Physics
Which of the following is not a unit of power? a)hp b)J c)W d)J/s I answered d. J/s because its measuring speed and not power. I don't know if its correct or not.
asked by Aisumi 
science
I need to describe what a standard operating procedure is and what procedures it may involve. Thankyou.
asked by paul 
Chemistry
Calculate the molarity of 1.77 mol of LiCl in 30.6 L of solution. This is for hw that's submitted online. the answer i got is 0.06 M. but it says its wrong, whyyyyy?
asked by Jazz 
math
What is the rate in meters per second of a jetliner this is travelling at a rate of 846 km/h
asked by Lilly 
PHYSICS
A car is traveling along a road, and its engine is turning over with an angular velocity of +199 rad/s. The driver steps on the accelerator, and in a time of 14.2 s the angular velocity increases to +263 rad/s. (a) What would have been the angular
asked by JOHN 
math
A student claims that a ratio remains unchanged if 1 is added to both the numerator and the denominator of the fraction. Does a/b equal a + 1/b + 1? Write and explanation and give an example or counterexample.
asked by Lilly 
chem
A sample containing 7.60 gas has a volume of 31.0 . Pressure and temperature remain constant.What is the volume after 3.00 is added to the gas already in the container
asked by Anonymous 
math
a 50 pound bag of glossy coat horse feed cost $23.50. A 25 pound bag cost $15.50. How much money per pound would you save by buying the bag with the lower unit price?
asked by Lilly 
Math
find the the 2nd derivative and set equal to zero in order to find inflection points of the function f(x)=1/(5x^2+4)
asked by Shawn 
5th grade
What do enzymes do in digestion?
asked by Catie 
Chemistry
how many moles of Ba(OH)2 are present in 295mL of 0.400 M Ba(OH)2?
asked by Bianca 
Physics  Spring balls
A 275g ball is resting on top of the spring that is mounted on the floor. You exert a force of 325N on the ball and it compresses the spring 44.5cm. If you release the ball from the position, how high above the equilibrium position of the springball
asked by Anonymous 
Math  Simple rational functions (check)
Consider the function f(x) = x/(x1) Are there any turning points? Explain how this could help you graph f(x) for large values of x? Ans: turning points is another word for checking the concavity, and therefore i find the second derivative and equate it to
asked by Anonymous 
Physics
A 0.026 kg bullet is fired vertically at 205 m/s into a 0.15 kg baseball that is initially at rest. How high does the combined bullet and baseball rise after the collision, assuming the bullet embeds itself in the ball?
asked by Abdullah 
Math  derivative of a rational function
find the 1st derivative of f(x) = x/(x1)2 Is the 1st derivative f'(x)= x1/(x1)^3
asked by Farah 
statistics
question a packaging device is set to fill detergent powder packets with a mean weight of 5 kg .the standered deviation is known to be 0.01kg.these are known to drift upward over a period of time due to machine fault,which is not tolerable.a random sample
asked by sunil 
phyiscs
if 0.4 force is required to pull a body attaching to spring 0.1m from the position of equality find the spring constant?
asked by madiha 
statistics/probability
QUESTION machines are used to pack sugar into packets supposedly containing 1.20kg each.on testing a large number of packets over a long perodof time ,it was found that the mean weight of the packets was 1.24kg and the standard deviation was 0.04kg. a
asked by sunil 
phyiscs
if 0.4 force is required to pull a body attaching to spring 0.1m from the position of equality find the spring constant?
asked by madiha 
Physics
Calculate the earth's orbital angular speed in radians/sec due to its motion around th sun.
asked by Cathy 
Commerce
Answer: profit= price  total cost P = price ( GIVEN IN THE QUESTION ) Total cost = (Average cost) * Quantity ( Because AC = TC/Q ) TC= Q^3  8Q^2 + 36Q + 3 TC is also equal to Q * P Therefore Q *( P ) = Q^3  8Q^2 + 36Q +3 now you can solve ( if necessary
asked by A. Ramesh 
Management 330
o Identify four types of control mechanisms (ways controls are applied) used in your selected organization. o Compare and contrast these control mechanisms. o Determine the effectiveness of these control mechanisms. o Examine the positive and negative
asked by Alida178 
chemistry
What is the bond angle for H2O2 abd what is the bond angle and how would you draw ClO3
asked by lavonne 
PHYSICS
A CAR IS BEING DRIVEN BY AFORCE OF 2.5*10POWER10N.TRAVELLING AT ACONSTANT SPEED OF 5m/s,IT TAKES 2 MINUTES TO REACH A CERTAIN PLACE.CALCULATE THE WORK DONE.
asked by Anjali 
phyiscs
1.5*10power13
asked by Anjali 
Management 330
I don't need someone to do this for me I need some links where I can the info myself All I am getting is essays to buy
asked by Alida178 
statis
why it is necessary to summarise the data distribution?explain the approaches available to summarise the data distribution.
asked by sunil 
statistics/probability
explain the purpose of fabulous presentation of statistical data
asked by sunil 
statistics/probability
give a brief note of the measures of central tendency together with their merits and demerits. which is the best measure of central tendency and why?
asked by sunil 
5th grade math
ms.john class took a timed test. What was the minimum and maximum times? 8.5 9.2 7.1 7.03 90.04 8.09
asked by pat 
physics
the condition of apparent weightlessness for the passengers can be created for a brief instant when a plane flies over the top of a vertical circle. at a speed of 215 meters per second, what is the radius of the vertical circle that the pilot must use?
asked by Leah PLEASE HELP!!! :) 
spanish
"¿Puedes sacar libros de la biblioteca?" "Sí, puedo _____ porque tengo tarjeta de biblioteca." a. las sacar b. a sacarlos c. sacarlos d. sacar B?
asked by Lily 
spanish
Van a dar las noticias a las doce en el canal dos. Vamos _____. a. a verlas b. ver c. a ver d. las ver A?
asked by Lily 
Psychology
Compare and contrast the JamesLange and the CannonBard theories of emotional processing. Describe how these theories might have different implications for our behaviour.
asked by Jo Yee 
college
How fast (in rpm) must a centrifuge rotate if a particle 8.2 cm from the axis of rotation is to experience an acceleration of 200000 g 's?
asked by Sasha 
AP physics
suppose that the surface (radius=r) of the space station is rotating at 35.8 m/s. what must be the value of r for the astronauts to weigh onehalf their earth weight?
asked by Leah PLEASE HELP!!! :) 
science
1.which two particles are found in an atoms nucleus? 2. which two particles in an aton are equal in number? 3. what two particles account for almost all of the mass of an atom?
asked by yuku 
science
how far will the different types of footballs affect the distance the football will go?
asked by Anonymous 
maths
double of 16 + 68 is equal to
asked by athul 
international business.
what is the process of importing a car from a foreighn country to your mother country?
asked by kimani 
statistics
In a supermarket the weekly demand D is normally distributed. In a sampe of size n = 15 we …nd D = 31 and sD = 19. (a) H0 : = 30 versus Ha : > 30 (3 methods; = 5%) (b) H0 : = 16 versus Ha : > 16 (2 methods, = 10%)
asked by rambabu 
3rd grade
if the ones digit of a number greater than 1 is 0, what factors must that number have?
asked by Anonymous 
phyiscs help please
A 3.00*10^2 N force is pulling an 80.0 kg refrigerator across a horizontal surface. The force acts at an angle of 18.0° above the surface. The coefficient of kinetic friction is 0.200, and the refrigerator moves a distance of 8.00 m. (a) Find the work
asked by Anonymous 
English  Caesar & Antigone
Can you check these questions? 1) Which is an example of verbal irony as spoken by Antigone? a)"You have yourself to consider, after all." b)"You must decide whether you will help me or not." c)". . . and if I must die, / I say that this crime is holy . .
asked by Shaun10 
math
Julian is interested in building a new house. Three architects have given him plans. The first plan is for a house that will be 2,250 square feet. The total cost of the house will be $281,250. The second plan is for a house that will be 2,400 square feet.
asked by jaz 
english
"The editors . . . break those sequences up into quick jagged shots that key us up and keep us hyperalert . . . we look hard at the screen to take it in." universality?
asked by danny 
geometry
In a triangle ABC,E and F are the midpoints of AC and AB respectively. The altitude AP to BC intersects EF at Q.Prove AQ =PB.
asked by Surendra 
maths
Find the xcoordinates of all points on the curve y=2sinsin^2x at which the tangent line is horizontal.
asked by khela 
business math
find the interest paid on loan for 2 years simple interest rate of 9% per year
asked by debbie 
business math
a mans salary is 114,712 and he is paid bi weekly how much is his gross pay biweekly
asked by debbie 
Calculus Shell method
Use cylindrical shells to find the vol of the solid that results when the region enclosed by y=x^2, y=4 and x=0 is revolved about the x axis
asked by Osvi 
Physics
What are the forces acting on an elevator as it moves from rest upward and stops at its floor. Discuss the forces including tension force (on cable or string), gravitational force, and net force when an elevator is at rest. Which law does this support?
asked by Margaret Yeager 
Calculus Shell method 2
Use cylindrical shells to find the vol of the solid that results when the region enclosed by y=x^35x^2+6x over [0,2] is revolved about the y axis
asked by Osvi 
business math
50oxes of computer paper unit price is $13.37 and the single trade rate is 15% find the net price  Im sorry my mistake
asked by debbie 
business math
the number increased from 599 to 625 find the% of the increase
asked by debbie 
biology
The sex ratio(number of females vs. males) of which of the following species might be most affected by global warming?A.Humans b.bees c.birds d.Turtles
asked by Jennie 
math
Four race car drivers participate in a race on a loop track. All four are going at a constant speed. Assume that they did a flying start. That is, all four crossed the start line at the same instant while each was going their constant speed. Then they
asked by Ja 
economics
ABC Machinery produces ice machine with historical (monthly) data in the Excel file. Please construct its shortrun total cost function to answer the following questions: QUESTIONS 1. Given the data, please construct a ShortRun total cost (TC) function
asked by Dede 
Physics
(10 points) 3. Use your data from Part 3 and Newton’s laws to explain why the force meter measures a force if the cart is moving at a constant velocity. The forces acting on the cart are the applied force (FA), the force of friction (Ff), weight (Fg) and
asked by Margaret Yeager 
Physics
Suppose I have a circular metal disk spinning at a constant angular velocity. Now imagine near to, but not in contact with the first disk, I have an identical metal disk spinning at the same angular velocity but in the opposite direction (ie. W1 = w2) and
asked by Mark 
physics
Consider a hoolahoop of radius R and it is spinning about its symmetry axis at a constant angular velocity. Now, I double its mass and halve its angular velocity. What is the new angular momentum in terms of the initial angular momentum?
asked by Emily 
physics
A chain of length l and mass ë per unit length is fully open and is held on a high frictionless table with y1 of its length hanging from the side of the table as shown in figure. When released, it starts slipping off the table. By calculating the speed of
asked by anil 
economics
Expected cash flow from security $1000. What is the present value of expected cash flow (15% discount rate)? Please explain how to figure it. Thank you so much.
asked by Therese 
science..physics
I'm on a test..don't get me wrong physics is hard. Ha. A 10 kg sled is pulled horizontally by a force. If the coefficient of static friction is 0.3 , what force is needed to get the sled moving at a constant velocity?
asked by Jacob 
chemistry
How many milliliters of 0.205 M NH3 solution will exactly react with 50.0 mL of 0.150 M H2SO4 solution? 2NH3(aq) + H2SO4(aq) → (NH4)2SO4(aq)
asked by bryce 
math
What is 15/50 written in lowest terms?
asked by Dakota 
U.s Gov
The fourth amendment was written in part to ensure the government did not allow ?
asked by Angelica 
Chemistry
6. Heat of combustion is the heat released by the complete combustion of one mole of a substance. T? 8. In nature, processes tend to occur that lead to a higher energy state. F 9. Concentration does not have an effect on a reaction. F Thanks! MC
asked by mysterychicken 
math question
Four race car drivers participate in a race on a loop track. All four are going at a constant speed. Assume that they did a ying start. That is, all four crossed the start line at the same instant while each was going their constant speed. Then they
asked by sami 
writing
I had hoped the police would blame Bruce, not ___.
asked by Anonymous 
12th grade
how is the title of the poem "old ironsides" related ?
asked by karen javier 
chemistry
The solubility of barium nitrate at 100°C is 34 g/100 g of H2O and at 0°C is 5.0 g/100g of H2O. If you start with 100 g of Ba(NO3)2 and make a saturated solution in water at 100°C, how much water is required? If the saturated solution is cooled to 0°C,
asked by James 
computer
Create a new project Lab05e, and write a program that asks the user to enter a line. The program must find the one or more words between quotation marks (“”) characters and print them as follows: Please enter a line: She “does not” go to the
asked by eric 
PHYSICS
Calculate the radial acceleration of an object on the ground at the earth's equator in m/s2, turning with the planet.
asked by Mattie 
math
. Decide if the statement is true or false, and tell why. a. 7 ƒ 23 b. 24 is a factor of 8. c. 16 ƒ 16 d. 0 ƒ 6 e. 15 ƒ 0 f. 65 is a multiple of 15. g. n3 is a divisor of n5 h. A number is always a factor of its square.
asked by Anonymous 
5th grade
2 22 12 132 122 1342? What is next and what is the pattern
asked by Amber 
math
True or False? 1. The product of 2 linear polynomials is quadratic 2. The sum of two cubic polynomials cannot have a degree greater than 3. 3. The sum of two cubic polynomials may have a degree less than 3. 4. The sum of a cubic and a quartic polynomial
asked by clark 
10th grade
a rock with a mass of 8kg falls from a height of 7m what work was done
asked by Anonymous 
physics
What is the magnitude of the apparent weight of a 69 kg astronaut 5200 km from the center of the Earth's Moon in a space vehicle moving at constant velocity?
asked by Emma 
algebra
how i can soliving 1)x>=0 y>=0 y=1 y
asked by hashm 
Physics
Your car is stuck in the mud and two friends are helping you. One is pulling on your car with a force of 370 N at a 40 degree angle and the other is pulling with a force of 450 N at a 30 degree angle. A force of 725 N is required to remove the car. Is the
asked by Anna 
math
how to complete a "whats my rule" table
asked by jenn 
math
1)x>2 y=0.5x2 y=0 y>=0 y
asked by hashm 
help
pleas help me soon ihave examnation on that
asked by hashm 
Physics
An aircraft on its takeoff run has a uniform acceleration of 3m/s^2.What velocity does the aircraft gain in 4s?
asked by AJ 
Alg
State the slope for a line parallel to the line – 5 and containing the point (–3, 7).
asked by Needs help 
Chemistry
23. Beta particles are the same as helium nuclei. F 24. Gamma rays and visible light are two types of electromagnetic radiation. F 25. Transmutation is the change in a nucleus due to the change in the number of protons.F? 26. In a nuclear equation, only
asked by mysterychicken 
Alg
State the slope for a line perpendicular to – 5 and containing the point (–3, 7)
asked by Needs help 
Algebra
Use substitution to determine whether the ordered pair (– 3, – 2) is a solution of the equation 5x + y2 = –11. Show some work. Be sure to state your conclusion about whether the ordered pair is a solution or not.
asked by Math Loser :( 
physics
Suppose I have a circular metal disk spinning at a constant angular velocity. Now imagine near to, but not in contact with the first disk, I have an identical metal disk spinning at the same angular velocity but in the opposite direction (ie. W1 = w2) and
asked by Mark 
Algebra
State the center and the radius of the circle represented by the equation (x – 8) 2 + (y + 2)2 = 81
asked by Help with Algebra 
chem buffer
When the following solutions are mixed, which will act as a buffer? (check all that apply) A. 50 mL of 0.05M sodium hydroxide and 50 mL of 0.1M nitrous acid B. 50 mL of 0.1M ammonia and 50 mL of 0.1M ammonium acetate C. 50 mL of 0.1M ammonia and 50 mL of
asked by janie 
Chemistry
35. In a calorimeter, the energy content of a substance is calculated from a measure of the temperature change in a known mass of a. iron b. air c. water d. steel C? 36. A decrease in the reactant concentration, per unit time, in a reaction is a measure of
asked by mysterychicken 
Algebra
Given the piecewise function f(x)=5x+1 for 3¡Ü x
asked by Help with Algebra 
Physics
Using the definition of the scalar product, find the angles between the following pairs of vectors. A =  4 i + 2 j + 2 k and B =  3 j  3 k I understand to do [(A).(B)]/A*B = cos theta; but I'm getting 0 for A and don't know how to access it from
asked by Tim 
economics
An automobile company, NISSAN, has a temporary cash surplus and lends its funds overnight through a repurchase agreement to a government securities dealer, earning $55,600 in interest income when the RP loan rate stood at 5.70 percent. What was the size of
asked by Therese 
physics
A ceiling fan of radius 30 cm runs at 76 rev/min. How far does the tip of the fan blade travel in 2 hour(s)?
asked by Anonymous 
economics
Ninetyoneday Treasury bills carry an investment return (IR) of 6.25 percent. What is their purchase price? What is their discount rate (DR)? What are the formulas and how do you figure the answer? Thank you so very much.
asked by Therese 
math
What is the APY for money invested at each rate? (A) 6% compounded monthly (B) 4% compoumded continuously
asked by Anonymous 
Physics
How will drag force and air resistance affect an object in circular motion in the air?
asked by John 
math
do 94 * 73 with showing the lattice work.
asked by asraful 
algebra question
Please help me answer the following Explain how you would determine if two binomials would produce the difference of two squares.
asked by Ally 
arithmetic
The 6th term of Gp is 2000.find its first term if its common ratio
asked by hawkland 
5th grade
if u have the lcm how do u find the numbers that make the lcm
asked by Anonymous 
Chemistry
'Place the letter of th item in Column II on th line before its best match in Column I' Column I: 37. moderator 38. coolant 39. control rod 40. critical mass Column II: a. removes heat from reactor b. slows neutrons produced by fission c. limits number of
asked by mysterychicken 
Chemistry
Which alkyl halide would you expect to undergo an SN2 reaction most slowly? 1bromo4methylpentane 1bromo3methylpentane 1bromo2methylpentane 1bromo2,2dimethylbutane I am really confused with this topic and no I have been reading up on it, but I
asked by Neeee 
health
If disclosure of PHI is permitted under the HIPAA, what is disclosed? A. All information the particular doctor has on that patient. B. Information the doctor thinks should be disclosed. C. The minimum necessary to accomplish the purpose of the disclosure.
asked by Zinoviy 
college
Under typical conditions, 1 1/2 ft of snow will melt to 2 in of water. To how many inches of water will 4 1/3 ft of snow melt?
asked by laura 
geometry
n the circle below, angle a = 7x + 2 and angle b = 9x  4. Find the measure of arc MN
asked by huhu 
math
The quotient of a number and 7 is equal to 6. What is that number?
asked by paully 
scc
One side of a triangle is half the longest side. The third side is 10 meters less than the longest side. The perimeter is 45 meters. Find all three sides
asked by Jen 
4th grade math
how can thinking about 90 tens help you with 1901297? the last posted answer was no correct...it came home marked WRONG...please help!!??
asked by charlee 
Chemistry
42. List four of the factors that affect the rate of a chemical reaction. Temperature Concentration of reactants Surface area Volume Is this correct? Thanks MC
asked by mysterychicken 
Math: Calculus
A fence 6 feet tall runs parallel to a tall building at a distance of 2 feet from the building. What is the length of the shortest ladder that will reach from the ground over the fence to the wall of the building?
asked by REALLY NEED HELP!!!! 
Math: Calculus
A cylinder is inscribed in a right circular cone of height 3.5 and radius (at the base) equal to 7. What are the dimensions of such a cylinder which has maximum volume?
asked by REALLY NEED HELP!!!! 
math
Use the properties of exponents to rewrite each expression so that it contains only positive exponents and simplify the result. The answer is suppose to be 1/9. thank you (b^1/3a^1)(3a/b)^1
asked by alainia 
Calculus
Find the solution of the logarithmic equation: ln(x+8)+ln(x–8)=0 Im not sure how to approach this one. I tried moving the ln(x8) to the other side and solving for x and that did not work. I also tried putting everything as an exponent to e. please help!
asked by Adam 
Calculus
Find the solutions of the exponential equation e^(2x)5e^(x)+6=0
asked by Adam 
math
Use the properties of exponents to rewrite each expression so that it contains only positive exponents and simplify. (x^1y^2/x^2y^3)^2
asked by alainia 
Biology
Describe the features of the nasal cavity that moisten, clean, and warm the air as it passes through this cavity on its way to the lungs.
asked by Bianca 
maath
How to do you solve this 3^x=9 graphically? What do I do. Thank you
asked by alainia 
Math Calc
Sketch the region enclosed by the given curves. Decide whether to integrate with respect to x or y. Then find the area of the region. y=e^(4x), y=e^(6x), x=1
asked by Kristina 
Math Calc
Find the volume of the solid formed by rotating the region enclosed by y=e^(4x)+2, y=0, x=0, x=0.8
asked by Kristina 
chemistry/ specific heat
Why does an empty metal pan on a stove heat much faster than the same pan filled with water? Explain why your car overheats if your fan belt breaks. Explain why your car overheats if your radiator has a hole in it.
asked by Sarah 
calculus
can someone please help me with these 3 questions: 1) Evaluate the limit. lim_(x>infinity) (ln(ln(4 x)))/(4 x) 2)Find y ' and y ". y= ln(5 x)/x^7 3)y =(arctan)(x  sqrt(1+x^2)) for this question i got y = 1/(2(1+x^2))which was wrong. Please and thank
asked by clare 
Chemistrty Help
Calculate the wavelength of each of the following frequencies of electromagnetic radiation. 1040 kHz} (typical frequency for AM radio broadcasting) (assume four significant figures) in METERS? Can someone help me?
asked by Allison 
Chemistry
Need help anwering this: 43. Explain how the fission can be slowed in the nuclear reactor. Thanks MC
asked by mysterychicken 
math
(5^1p^4)^2 (3y^4)^2
asked by alainia 
poetry
Can someone explain what the poem is trying to tell in "Ode to the West Wind" I read from other sites but I don't understand it... I believe that it is talking about death...
asked by Bob 
Chemistry
Calculate the pOH, pH, and percent protonation of solute in the following aqueous solution. 0.059 M quinine, given that the pKa of its conjugate acid is 8.52. Please show me how to do it and not just the answers. Thanks!
asked by Alania 
algebra
v4(4V)=2 (2V1)
asked by michele 
trig
If a=8, the angle C=50 degrees and the angle A=35 degrees find the other angle B and the remaining b and c sides. Give your answer to at least 3 decimal places.
asked by Emily 
Physics
A flywheel has a moment of inertia of 2.6 kg·m2. What is the average power needed to spin it up from rest to an angular velocity of 100 rad/s in 30 seconds?
asked by Molly 
art
need lots of questions for art
asked by may 
chemistry
a student dissolves 5 grams of table salt into 600 mL of water. in this situation, water is the _, and salt is the _
asked by Anonymous 
Chemistry
A heat lamp produces 22.5 watts of power at a wavelength of 6.0 {\rm \mu m}. How many photons are emitted per second? 1{watt}} = 1 J/s i got 7.02*10^20 but that is incorrect, can you help?
asked by Greg 
Math
'bonnie has b stickers. first, bonnie gave away 1/6 of her stickers. Then Bonnie got 12 more stickers, and she has 47. Write an equation, involving B, the corresponds to this situation"
asked by Leigh 
physics
A 4.4 diameter merrygoround is rotating freely with an angular velocity of 0.63 . Its total moment of inertia is 1800 . Four people standing on the ground, each of mass 66 , suddenly step onto the edge of the merrygoround.
asked by Anonymous 
Math
An auditorium has 50 rows of seats. The first row has 20 seats, the second row has 21, the third row has 22 seats, and so on, each row having one more seat than the previous row. How many seats are there all together? a. write 2 different expressions for
asked by Emily 
Math
a. Write down a secret number, which can be any whole number Multiply by 5 Add 2 Multiply by 4 Add 2 Multiply by 5 Subtract 50 Drop the two zeros at the end. Do you recognize the result? B. Let S stand for a secret number that you begin with in part (a).
asked by Kathy 
accounting
ehat type of financial reports would you expect to see in your department if you are a new accountant
asked by bertha 
algebra
please translate “A student scored five points more on the second quiz than he did the first. He scored eleven points lower on the third quiz than he did the first. If the average of the three quiz scores is 70, what was his score on the first quiz?”
asked by denise 
algebra
Use the five steps for problem solving to answer the following question. Please show all of your work. The average of two quiz scores is 81. If one quiz score is six more than the other quiz score, what are the two quiz scores?
asked by franklin 
eng 155
Have a done the adverbs correctly? If you have not sung Karaoke yet, chances are you will have the chance real soon. Karaoke is a form of entertainment that is growing very rapidly in popularity. It started more than twenty years ago in a snack bar in
asked by Patty 
Physical Science
Tritium (halflife= 12.3 y) is used to verify the age of expensive brandies. If an old brandy contains only 1/16 of the tritium present in new brandy, how long ago was it produced?
asked by Angelica Mendoza 
Chemistry
Write balanced complete ionic equation for HC2H3O2(aq) + K2CO3(aq)> H2O(l)+CO2(g)+KC2H3O2(aq) I put 2H+(aq)+2C2H3O22(aq)2K+(ag)+CO32(aq)>H2O(l)+CO2(g)+2K+(aq)+C2H3O22(aq) and said it was wrong, but I got this part right. 2H+(aq)+CO3
asked by Lisa 
Com 155
I need to know if I have found the errors for an assignment. Thanks! I put the corrections in parenthesis. Comparative forms of superlative adjectives: Since 1995, the third week in April has been TVTurnoff week. A notforprofit group in Washington,
asked by Ron 
ethics
Where do we get our ethical standards from?
asked by Anonymous 
6th grade
how do you solve a problem when you have one whole # with a whole # and fraction. this is subtracting ex: 16 10 2/7 ________________
asked by Sophie 
English  Antigone & Caesar
Please check these answers: 2) Creon declares that anarchists are behind the burial of Polyneices. What dramatic irony lies in the declaration? a)The audience knows that it is the Sentry who buried him. b)The audience knows that it is a priest who buried
asked by Shaun10 
social studies
Why did british condemn it as an unlawful assembly and a den of traitors?
asked by zahia 
chemistry
How much of a 0.23 M NaOH solution is needed to neutralize 27 mL of a 0.85 M sulfuric acid solution? The units are mL. Can you please explain why you did what did Thank you
asked by Jazmin 
English
Alright for my 1 paper i am writing this sentence and i don't know if its grammatically correct. All I could think of was “what in the world am I going to invent!?” Does that sound right or did i mess something up?
asked by Jon 
Science Lab HalfLife of Popcorn
When a radioactive sample decays, there is one less parent nuclei and one more daughter nuclei. As this decay process continues, the number parent nuclei decreases and the number of daughter nuclei increases. Eventually there are no parent nuclei
asked by Anonymous 
math
7w+23=8w+1
asked by ALexis 
chemistry please help
How many core electrons are there in a ground state sulfur atom?
asked by Anthony 
Calculus
Find the derivative of f(x)=x(14^x) f'(x)=(14^x)+ (4^x)(ln4)(4)(x) ln can't be negative. Is the derivative correct?
asked by sh 
Psychology
Describe in detail, the two methods of language acquisition
asked by Mariena 
Earth Science
During June 2122, determine the length of daylight at the following latitudes. Any help is greatly appreciated. latitudes  70 degrees north 40 degrees south 40 degrees north 90 degrees south 0 degrees
asked by Anonymous 
algebra
For three consecutive passes the football team gained 10 yards and then loses 23 yards and then gains 47 yards. What is the total net yardage?
asked by Barbara 
MATHEMATICS
HOW TO SOLVE THIS EQUATION: 0.2*Z + LOG(10.2*Z)= 3.512 THANKS IN ADVANCE
asked by NICK 
Earth Science
How many hours of daylight occur at the following locations on the specified dates? March 22  40 degrees north 0 degrees 90 degrees south December 22  40 degrees north 0 degrees 90 degrees south
asked by Casey 
Earth Science
Please determine the noon sun angle at the given latitudes on April 11: 40 degrees north 0 degrees
asked by Casey 
english
Compare and contrast your abilities as an academic writer now as opposed to when you began at Axia College. Using four comparatives and four superlatives within your responses, explain what has led to these changes and what changes you will make in the
asked by rene 
chemistry
there are two naturally occurring isotopes of the element zinc. the relative abundance and mass of each are as follow 64 30zn=48.89% 63.929 amu 66 30zn=27.81% 65.926 is it 0.4889(63.929)+027.81(65.926) divide by 2?
asked by 000 
chemistry
there are 5 naturally occurring isotopes of the element zinc. the relative abundance and mass of each are as follow 64 30zn=48.89% 63.929 amu 66 30zn=27.81% 65.926 67 30zn=4.11% 66.927 68 30zn = 18.57% 67.925 70 30zn = 0.62% 69.925 find the average atomic
asked by 000 
Business
Which economic system is the best solution to handling a crisis of epic proportion?
asked by Tiffany 
MATH
WRITE THE POINTSLOPE FORM FOR THE EQUATION OF THE LINE DESCRIBED. THROUGH (4,2), PARALLEL TO Y=3/4X5
asked by ROD 
math
write each expression as a power of 2 2^4 / 4^2 (4^2)^3 (100^0)^5 (5n)^2
asked by kayla 
math
What do they call bowling in hawaii
asked by taylor