Questions Asked on
July 24, 2011

Chemistry
Predict the product(s) for the following reaction: H2SO4(aq) + KOH(aq) > Choose one answer. a. K(s) + H2(g) + SO3(g) b. K2SO4(aq) + H2O(l) c. No reaction occurs d. K2S(aq) + H2O(l) e. KSO4(aq) + H2O(l) I keep getting: K2SO4(aq) + 2H2O(l) which isn't at
asked by Toby 
Statistics
the manufacturer of a certain brand of auto batteries claims the mean life of these batteries is 45 months. A consumer protection agency that wants to check this claim took a random sample of 36 such batteries and found the mean life for this sample is
asked by Anonymous 
Chemistry
A solution contains 32g of per 100.0g of water at 25 degree celcius. is the solution saturated, unsaturated, supersaturated
asked by Anonymous 
statistics
use the given information to find the minimum sample size required to estimate an unknown population mean. Margin of error/; $137, confidence level:99%, standard deviation = $535
asked by susan 
Pre Cal
which of the following best describes the behavior of thre function f(x)=(x^22x)/(x^24) at the values not in its domain? a) one vertical asymptote, no removable discontinuities b) 2 vertical asymptotes c) two removable discontinuities d) one removable
asked by Ashley 
Statistics
The distribution of heights of American women aged 18 to 24 is approximately normally distributed with mean 65.5 inches and standard deviation 2.5 inches. What is the probability that a randomly selected woman is over 70 inches tall?
asked by Stacey Moore 
pre cal 2
solve the equation 4cos^2x1=0
asked by kc 
algebra
Snookers Lumber can convert logs into either lumber ofr lywood. In a given day, the mill turns out three times as many units of plywood as lumber. It makes a profit of $30 on a unit of lumber and $40 on a unit of plywood. How many of each unit must be
asked by babs 
ECONOMICS
At a management luncheon, two managers were overheard arguing about the follow ing statement: “A manager should never hire another worker if the new person causes diminishing returns.” Is this statement correct? If so, why? If not, explain why not.
asked by KIM 
algebra
In 1920 the record for a certain race was 46.5 seconds. in 1980 it was 45.3 seconds let R(t) = the record in the race and t=the number of years since 1920 R(t) = 46.5  t*0.02 what is the predicted record in 2003? 44.84 what is the predicted record in
asked by kelly 
independent clause
Identify the : I stood at the window, but I didn't see him.
asked by jessica 
Pre Cal
a piece of wire 5 inches long is to be cut into two pieces. One piece is x inches long and is to be bent into the shape of a square. the other piece is to be bent into the shape of a circle. Find an expression for the total area made up by the square and
asked by Ashley 
math algebra
represent the given condition using a sing variable, x. The length and width of a rectangle whose length is 12 centimeters more than its width. the width of the rectangle is _____. The length of the rectangle is ____.
asked by charlene 
Math
The perimeter of a rectangle is 46m. If the width were doubled and the length were increased by 12m, the perimeter would be 82m. What are the length and width of the rectangle?
asked by Mona 
CHEMISTRY
Solve for the new pressure in each of the following with N and V constant A sample of Na with a pressure of 770 mmHG at 60C is heated to 23C
asked by SHARON 
biology
how many chromosomes are present in ostrich? how many chromosomes are present in monkey? how many chromosomes are in lacto bacteria
asked by neelima 
stat
Weinberger and Spotts compare the use of humor in television ads in the United States and the United Kingdom. Suppose that independent random samples of television ads are taken in the two countries. A random of 400 television ads in the United Kingdom
asked by ahmed 
algebra
Factor the expression 25x^260xy+36y^2 into a product of binomials.
asked by ROCKY 
Physics
The captain of a small barge notices the front corner of the boat is on a collision course with the edge of a small pier. What could he ask the passengers to do to help him avoid a collision?
asked by Capreeca 
pre cal 2
Find all solutions in the unterval [0,2pi), cos x/2sinx=0
asked by denise 
home economics
Gear strategy has managed to improve the livelihood of the poor in south africa.
asked by Anonymous 
Gemotry
if A(2,4) and B(3,1) and C(15,7) find the slope of the altitude from A to BC
asked by Taylor 
Chemistry
For the reaction: V2O5 + 6HCl > 2VOCl3 + 3H2O If 13.65g of VOCl3 was produced in this reaction, how many grams of V2O5 were reacted in excess HCl? I used stoichiometry and converted 13.65g of VOCl3 into grams of V2O5. I got 73.28 g. However, I feel like
asked by Toby 
pre cal 2
Find all solutions in the interval [0, pi], 2sec^2x+tan^2x3=0
asked by Denise 
Physics
How long does it take for the current in an circuit with = 150Ω and = 65mH to reach half its final value?
asked by Ryan 
Physics
An rms voltage of 120 V produces a maximum current of 2.6 A in a certain resistor.Find the resistance of this resistor?
asked by Ryan 
pre cal 2
find the exact solutions in the interval [0,2pi), sin4x=2sin2x
asked by kc 
Chemistry
Need guidance on how to solve this one How many liters of water vapor can be produced if 108 grams of methane gas are conbusted at 312K and 98 atm. CH4 + 202 = C02 + 2H20
asked by Anonymous 
pre calculus 2
use the fundamental trig. Identities to simplify tan^4x+2tan^2x+1
asked by denise 
physics
a clock has its second hand 2 cm long. find the average speed and modulus of average velocity of the tip of the second hand in 15 seconds
asked by lavanya 
Physics
The conducting rod ab shown below makes frictionless contact with metal rails ca and db. The apparatus is in a uniform magnetic field of 0.855 T, perpendicular to the plane of the figure. The length L of the rod is 25 cm. (a) Find the magnitude of the emf
asked by Chloe 
CHEMISTRY
The volume of air in a persons lungs is 615 mL at a pressure of 760 mmHG inhalation occures at the pressure in the lungs drops to 752 mmHG, to wha volume did the lungs expand I got 615*760=V2*752=621 i keep getting 621 and the answer is 620 what i'am i
asked by SHARON 
math
3. The height H of an object t seconds after it is propelled upward with an initial velocity v is represented by , where g is the gravitational pull and h is the initial height. The gravitational pull of the moon is 1.6 meters per second squared. The
asked by Anonymous 
English
Per the guidelines set out in this document OR As per the guidelines set out in this document Which is correct?
asked by jean 
Ida
What does duracell manufacture say about the durability of their brand
asked by Physics 
math
the perimeter of an isosceles triangle is 21 meters. the length of one side is 3 meters longer than the length of the other two sides. find the length of each side.
asked by Kylie 
interest
If $635 is invested in an account that earns 9.25%, compounded annually, what will the account balance be after 21 years?
asked by Anonymous 
COMM/156
Write a second paragraph of at least 200 words explaining the strategies you will use to overcome those challenges.
asked by Dominique 
algebra
The area of a rectangular athletic field is represented by the expression 81y^216z^2 square meters. Write an algebraic expression to represent one possible set of dimensions(in the sense " length times width") of the athletic field. Include correct units
asked by ROCKY 
chemistry
calculate the amount of energy (kJ) lost when 50 mL of water at 0 Celcius freezes at 0 Celcius
asked by donna 
math
graph (3,5) (8,1)
asked by Donna 
Math
Hi I'm reviewing the following solution in my trigonometry text book and I can't figure out how they got their answer. If someone can help explain how they calculated 542.25 for a^2 (nothing I do comes up with that number): a2=b2+c22bcCosA
asked by Amy 
Algebra
During the first part of a trip, a canoeist travels 98 miles at a certain speed. The canoeist travels 10 miles on the second part of the trip at a speed 5 mph slower. The total time for the trip is 3 hours. What was the speed on the FIRST part of the trip?
asked by Greg 
Math
Q: A coule borrow Rs. 10,000 to buy a car. The loan agreement specifies that monthly payements are to be made for 4 years. The annual inttrest rate is 10%. Determine the monthly payments?
asked by REHAN 
computers in day care
A software program features an electronic coloring book, in which children get to paint characters that come to life with the click of a mouse. This type of program is primarily designed to develop children’s A. handeye coordination. C. emotional
asked by nk 
Math
Q: Many business transactions involves making or recieving cash payment at various future dates. Discuss by given quantitative example?
asked by REHAN 
Chem
How do I do this problem Assume you dissolve 2.56 g of malic acid, C4H6O5, in half a liter of water (500.0 g). Calculate the molarity, molality, mole fraction, and weight percent of acid in the solution. (Assume the final volume of the solution is 500. mL)
asked by Ann 
Calculus
For the function g(x) = xe power x, there is inflection point at?
asked by Bud 
sociology
what is a contemporary sociologist who uses conflict perspective.
asked by lolla 
math
what is the factor of a^3  2a + 4? please help me guys. :(
asked by ayrajudelle 
alegebra
solve this system of equation using the substitution method. 6x+8y=72 2x+5y=45
asked by thomas 
math
How to calculate angle B if u are given AB=10,6 and AC=6 then angle D=alfa
asked by tamara 
Chemistry
According to the experiment procedure, given that the NaOH solution has a concentration of 0.100M, and that the vinegar (acetic acid) has a concentration of 5.0%m/m (mass percent), what volume(mL) of titrant would be required to reach the "equivalence
asked by JP 
pre cal 2
use the given values to evalute all six trigonometric functions secx=3/2, cscx=3square root5/5
asked by denise 
computers in day care
Which of the following statements about children and computers is not correct? A. Today, many children begin using computers in preschool or day care. B. Some day care providers begin computerassisted instruction with children as young as two years old.
asked by nk 
math
Perform the indicated operations: 42÷6+(7)
asked by tamika 
pme
a bullet moving at 270 m/s penetrates 5 cm into a tree limb, beforecoming to rest assuming that the force exerted by the tree limb is uniform, find its magnitude? mass of the bullet is 10 g
asked by babu lal 
math
Which sentence is not a statement? (Points : 1) 2 x 4 = 7 8 + 2 Jan and Ella are neighbors. Bill is a photographer
asked by tamika 
Life Orientation
What is human factor that causes ill health,accidents,crises,and disasters within community within South Africa
asked by Dineo 
Geometry
A bag contains five pieces pf paper wit hthe emasures of various angles. The angle measures are 23,35,23,41,113. Suppose you pick 3 pieces of paper from the bag at random. What is the probability you can form an isosceles triangle with the three angles?
asked by Lisa 
Geometry
use the distance formula and the Pythagorean Theort to find the distance, to the nearest tenth, from R(6,5) to U(2,6). Hellllp! Thansk!!
asked by Lisa 
Geometry
Given: A(3,1), B(5,2), C(2,0), P(3,4), Q(5,3), R(6,2). Prove: angles ABC and RPQ are congruent by completing the paragraph proof. AB=RP=13, BC=(?)=53, and CA=QR=26. So segment AB is congruent to (?), segments BC and PQ are congruent and segment CA is
asked by Lisa 
Geoemetry
Write an equation in point slope form for the perpendicular bisector of the segment with endpoints A(3,3) and B(5,6)
asked by Butch 
life oriantation
pollution impacts on the community
asked by edgar 
physics
Find the value of the magnetic field necessary to cause a proton moving at a speed of 2.50 ×10^3 m/s to go into a circular orbit of 15.5cm radius. An electron has an energy of 100 eV as it enters a magnetic field of 3.50 × 10−2 T. Find the radius of
asked by Kayla 
Medical Manager
I have to write a paper on compare and contrast the differences between a medical biller in a physician's office and a medical biller in a hospital? Discuss the responsibilities required in each Please help me thank you
asked by Susan 
Calculus
It is estimated that the demand for a manufacturer's product is increasing exponentially at an instantaneous rate of 5% per year. If the current demand is increasing by 4000 units per year and if the price remains fixed at $850 per unit, how much revenue
asked by Alex 
English
What is the tone of Tess of the D'urbevilles? What is the theme of Tess of the D'urbevilles. Thank you.
asked by Cindy 
Math
Suppose a scientist on Earth throws a baseball upward. The scientist lets go of the ball 2 meters above the ground with an initial velocity of 10 meters per second. How long does it take for the ball to hit the ground (H=0)? (Use the quadratic formula to
asked by A.S. 
Philosophy
Our text discusses the challenge relativism presents to various ethical and religious viewpoints. Consider a specific moral question which might make it difficult to accept the relativist's response. State the moral issue involved, and provide an
asked by edwina 
philosophy
o human beings have any obligations to other animals, in terms of their treatment? If it is wrong to treat animals cruelly, why is it not wrong to eat them? Explain if, and how, you think humans can find a balance between treating animals ethically while
asked by edwina 
physics
1/2(v0+v)(vv0)  (a)
asked by zevi 
Hum/205 college level
can someone please look over this and tell me what you think?? thanks! The history of the Western Art is a steeped in religious symbolism; but all art is in one way or another, an extension of the religious urge in humanity. However to some westerners it
asked by Jennifer 
physics
1/2(v0 + v) (v v0)/ (a)
asked by zevi 
physics
1/2(v0 + v) (v v0)/ (a) =
asked by zevi 
stats ( please check)
6. X has a normal distribution with a mean of 80.0 and a standard deviation of 3.5. Find the following probabilities: (A) P(x < 77.0) (B) P(75.0 < x < 85.0) (C) P(x > 85.0) (Points : 6) I think I have the first two but I am stumped on the third one. Thank
asked by Celest 
buhlebesizwe
A clear explanation of the consequences of drug abuse
asked by lebugang 
Life orientation
Two community organistions that are giving redress to enviromental or humam factor that cause ill health
asked by Alina 
MAT101
Suppose you have a cookie stand, and when you charge $3 per cookie box you sell 200 boxes. But when you raise your price to $4 you only sell 120 boxes. Write the equation for the number of boxes you sell as a function of the price you charge. Denote "b"
asked by Kirk 
think build live success
How can plan of action help you adsress a current problem or challenge you are having with school
asked by Herstine 
chemistry
describe how you would prepare from the specified stock solution: 400 mL of 0.45 M urea starting with a 6 M urea stock solution
asked by luv2swim 
business
can you tell m about the description on several b2b and b2c technology and application as it relates to a pastry business?
asked by gwen 
chemistry
Calculate the volume of the specified titrant required to neutralize 35 ml of .4 M NaOH. Titrant: 0.75 M H2SO4 [2NaOH + H2SO4 „» 2H2O + Na2SO4]
asked by luv2swim 
think build live success
how can our judgements affect our outlook
asked by Herstine 
Quick Science Question
During hurricane season, Why are they usually late summer and autumn events?
asked by Willy Wonka 
SCHOOL
SOLVE USING ADDITION AND MULTIPLICATION PRINCIPLE 6X7
asked by AMANDA 
Enviornmental Science
I need data on hurricane damage on the East Coast since 1900. What was the trend in the human death toll over that time. Why has it changed in that way?
asked by Marqus D. 
Enviornmental Science
I also need data on property damage costs over the same time period. Why is that the trend? What has happened since 1900 to influence these results?
asked by Marqus D. 
Chem
How much heat is liberated at constant pressure if .928 g of Fe reacts with 26.2 mL of .238 M HCl? Delta H= 87.9
asked by Anonymous 
MAT101
A reservation clerk worked 12.6 hours one day. She spent twice as much time entering new reservations as she did verifying old ones and a half as much time calling to confirm reservations as verifying old ones. How much time did she spend entering new
asked by Anonymous 
MAT101
Why is it important to be able to identify sets and set theory as related to business operations? What applications do you think functions have for the business world? Can functions be used to predict next year's profits, or how much your company will
asked by Anonymous 
Pre Cal
a 6 foot person is standing x feet away form a 10 foot lamppost. What is the distance d from the base of the lamppost to the end of the persons shadow, espressed as a function of x.
asked by Ashley 
Pre Cal
a function f is defined as f(x)= square root of (x+4). a) identify the domain of the function b) identify the range of the function c)Compute the intercept d) compute the x intercept E) sketch a graph of the function
asked by Ashley 
Pre Cal
find the surface area of a box of hieght h whose base dimensions are p and q, and that satisfies either one of the following conditions: a) the box is closed. b) the box has an open top. c) the box has an open top and a square base.
asked by Ashley 
pre cal 2
Find all solutions in the interval [0, pi], 2sec^2x+tan^2x3=0
asked by Denise 
pre cal 2
Find all solutions in the interval [0, pi], 2sec^2x+tan^2x3=0
asked by Denise 
Pre cal
a sinusoidal function has a local maximum at (0,2) and the next minimum at (Pi/4, 2). a correct equation for the function is
asked by Angela 
algebra
robs tractor is just as fast as lucy's. It takes rob 2 hours more than it takes lucy to drive to town. if rob is 80 miles from town and lucy is 60 miles from town, how long does it take lucy to drive to town?
asked by ken 
english
are the past participle correct for the following words appear has appeared seem had seemed finish has finished dance has danced look had looked return has returned wave had waved examine have examined need has needed include have included thank you
asked by Paula 
english
Write three paragraphs, with a total minimum word count of 500 words, explaining what your point of view will be and what you plan to accomplish in your paper. “Credit card companies should not be on campus marketing to college students”
asked by bella 
English
I'm having problems with containers? Can you please help me? Thank you. 1) I bought a 6pack of eggs, a packet (?) of cow's milk cheese and 3,5 ounces (100 gr.) of cooked ham, a bottle of washing liquid and one of floor cleaner. 2) I also bought a twopack
asked by Henry2 
Pre Cal
the function y= tan (x/3) has an x intercept at?
asked by Ash 
Pre Cal
simplify the expression 2sin^2 t + cos^2 t2
asked by Angela 
physics
find the bouyant force on a copper obect that displaces 2.8 meters cubed of water
asked by scott 
physics
find the acceleration of a 3 kg mass as it moves with a constant speed of 4 m/s along a circle of radius 2 m.
asked by scott 
english
Is gone the past and past participle tense of the word go?
asked by Paula 
Pre Cal
which of the expressions are identical? a) cos^2x b)(cosx)^2 c) cos (x^2) d) (sinx)^1 E) sin^1 x f) sin (x^1) g) 1/ sin x
asked by Angela 
Basic Statistics
A population of 300 voters contains 147 Republicans, 135 Democrats, and 18 independents and members of other parties. A simple random sample of 30 voters will be drawn from this population. Consider repeatedly drawing simple random samples of size 30 from
asked by mike 
Precal
a 6' person is standing x feet away form a 10' lamppost. what is the distance d from the base of the lamppost to the end of the person's shadow, expressed as a function of x.
asked by Angela 
Bio
A biologist marked a cell that he knew was about to undergo meiosis. A short time later he observed the four cells produced by the original marked cell; their chromosome numbers were 17, 17, 18, and 16. He knew these numbers indicated that something
asked by Jessica 
Algebra
Using complete sentences, explain how to graph y = x  2 using the slopeintercept method.
asked by Kelvin 
Pre Cal
simplify the quotient: [x(5x+1)3(x^2+1)]/ [(x1)^2]
asked by Ashley 
Chemistry
Write the balanced net ionic equation. Label species as solids liquids gase aqueous. HNO3(aq) + Ba(OH)2(aq) > I don't understand the steps? And how to balance it?
asked by Keith 
PreCalculus
Write an equation to construct a function whose graph is like that of y=x^2, except for pieces removed for values between 3 and 5, and 8 and 9. I am not sure how to approach this question. Would I make a piece wise function? PLease helpp brains about to
asked by Alice 
Vectors
If /U/=9, /V/=11, and theta = 43 deg (angle between), find the magnitude of U+V and give the direction that the that the resultant makes with U.
asked by Joe 
Pre Cal
a radio actice substance decays so that half of the substance decays every 2 minutes. if 100 g of the substance are present initially, how many grams will be present after 4 minutes and 8 minutes respectively?
asked by Angela 
AP Bio (but its a question about chemistry)
i have no idea how to do this! Calculate the volume of the specified titrant required to neutralize 35 ml of .4 M NaOH. Titrant: 0.75 M H2SO4 [2NaOH + H2SO4 „» 2H2O + Na2SO4]
asked by katie 
AP Bio (but its a question about chemistry)
no idea how to do this... describe how you would prepare from the specified stock solution: 400 mL of 0.45 M urea starting with a 6 M urea stock solution
asked by katie 
Pre Cal/Vectors
Can someone show the steps involved in figuring out this type of problem? Given the magnitudes of vectors u and v and the angle Ό between them, find the magnitude of the sum u + v to the nearest tenth and the angle that the sum vector makes with u to the
asked by Joe 
A/P Chem
A student wants to make a 5.00% solution of potassium chloride using .0377 g of the substance.What mass of water will be needed to make the solution?
asked by Autum 
Pre Cal
find the domains of the following functions: a) f(x)=x^20 b) g(x)=1/(x3) c) h(x)=1/(4x^2=21x18) d) k(x)=sqrt (4x^221x18) e) p(x)=1/sqrt(4x^221x18)
asked by Angela 
math
solve by substitution method. 5m+n=36 m5n=54 the everton college store paid 1,859.00 for an order of 49 caculators the store paid 11.00 for each scientific calculator. the others ,all graphing caculators, cost the store 55.00 each. how many of each type
asked by joe 
math
solve by the elmination method 0.3x0.2y=4 0.4x+0.3y=49/23
asked by Barney 
pre cal
Find all solutions in the interval[0,2pi),cos x/2sinx=0
asked by kk 
pre cal 2
verify the identity tanx times cotx/cosx=secx
asked by kc 
Pre Cal/ domain
Domain of a) x^20 b) 1/(x3) c)1/(4x^221x18) d) sqrt(4x^221x18) e) 1/ sqrt(4x^221x18)
asked by Angela 
chemistry
how many moles of methane are required to produce 22g of CO2 after combustion
asked by rahul 
precal 2
solve the equation 4cos^2x1=0
asked by denise 
Chemistry
If the Ka of a monoprotic weak acid is 4.3*10^6, what is the pH of a 0.16 M solution of this acid?
asked by Josh 
Pre Cal
simplify the quotient: [(x+1)^3(4x9)(16x+9)(x+1)^2]/[(x6)(x+1)^3]
asked by Angela 
Humanities
Can anyone tell me examples of someone who is considered a modernday social critic?
asked by Kian 
chemistry
When 0.100 mol of carbon is burned in a close vessel with 8.00g of oxygen, how many grams of carbon dioxide can form?
asked by Kristin 
vocab
Consider your key board and a valuable tool about require persistence and patience to master. As a vaguely important to all of you to trade in, it needs to be trained with respect. Don't make it the recipient of your frustrations. The more are issues with
asked by Zenit 
Chemistry
I have tied to solve this problem but am stuck. Hoping what I have done so far is accurate but need help in conversion. What mass, in grams, of oxygen gas (O2) is contained in a 10.5 liter tank at 27.3 degrees Celsius and 1.83 atmospheres? Show all of the
asked by Anonymous 
madical
You’re reviewing reimbursement for a Medicare surgical craniotomy case. The case falls into a DRG1. Which has a relative weight of 3.0970 and a geometric mean length of stay of 6.3. The hospital’s current standard reimbursement rate is $1500. Calculate
asked by julie 
algebra
factor by grouping if possible and check 5x^3+4x^210x8
asked by ROCKY 
algebra
factorcompletely. if polynomial is prime, state this 9+8t^218t
asked by ROCKY 
algebra
factor completely. remember to look first for a common factor. if a polynomial is prime,state this 4t^2+64
asked by ROCKY 
math
A firm develops a new product that will add Rs.50,000 to product. Each year for 5 years. If the discounted 10%. How much will new product add to share holder value?
asked by Anonymous 
Math
The closing price for XYZ Company's common stock is uniformly distributed between $10 and $20 per share. What is the probability that the stock price will be greater than $17? What is the probability that the stock price will be between $12.50 and $16?
asked by Bill 
math
Q: A couple borrow rs.10,000 to buy a car. The loan agreement specifies that monthly payement are to be made for 4 years. The annual interst rate is 10%. Determine the monthly payement?
asked by Anonymous 
english
heve you ever created or experienced a ''colossal vitality of an illusion'' and later discovered that what you created was just that;an illusion? Describe that illusion.[the great gatesby novel,chepter5]
asked by harvinder 
Pre Cal/Logarithism
given that f(x)=11^x, find x when f(x)=7 a) x=Ln(7/11) b) x=Ln7/Ln11 c) x= 7/11 d) x= ll sub 7 11
asked by Angela 
chemistry
What will be the concentration if 40 grams of sugar is added to 100 grams of water?
asked by MANALI 
english
Disclose the range of emotions that Jay Gatsby reveals before,during and after his momentous meeting with Daisy Buchanan,a meeting arranged by Nick Carraway at Gatsby's request.[the greats gatsby novel p.7993]
asked by harvinder 
chemistry
A sample containing 5.20g O2 gas has a volume of 19.0L, pressure and temperature remain constant, Oxygen is released until the volume is 7.00L how many moles of O2 are removed I know i convert 5.20g to moles which give me 0.1625 moles of O2 and i use the
asked by SHARON 
Manegerial Economic
can anybody answer my two recent question of manegerail economics? Which i have sent recently math questions?
asked by Anonymous 
physics
a cyclist travels at a distance of 10.0 km. in 30 min. after w/c he speeds up to 40 km/hr for 6.0 more mins. Find his average speed.
asked by presalie 
physics
a cyclist travels at a distance of 10.0 km. in 30 min. after w/c he speeds up to 40 km/hr for 6.0 more mins. Find his average speed.
asked by presalie 
physic
The star nearest to our solar system is said to be 3.8 ly away. How many km. away is this if a spaceship can travel at the speed 100 times that sound , how long armed it take that spaceship to travel from the earth to the nearest star. Express your answer
asked by presalie 
math
what is the equation that responds to a vertical shift up 3 and a horizontal shift left 4 of f(x)=absolute value of x
asked by ak 
algebra
factor the following expression completely: 70w^3125w^2+30w
asked by ROCKY 
physics
A projectile is lanched om horizontal plane. Variation of slop of trajectory of projectile with time. Where m=0 to1 and t=0 to 10. What will be the horizontal range?
asked by Shivam 
physics
A projectile is projected with speed u at an angle alpha on an inclined plane of inclination angle bita. Find time of flight nn inclined plane and maximum height attained by projectile w.r.t. Inclined plane, range of projectile on inclined plane, angle of
asked by Shivam 
math
solve by substitution method: 8x3y=94 2x+22=y
asked by Ralph 
algebra
the perimeter of a rectangle is 226 inches. the length exceeds the width by 37 inches. find the length and the width.
asked by Sarah M. 
math
a 6' person is standing x feet away form a 10' lamppost. what is the distance d from the base of the lamppost to the end of the person's shadow, expressed as a function of x
asked by Ashley 
algebra
Andrew factored the expression 20x^312x^2+8x as 4x(5x^212x^2+8x). But when Melissa applied the distributive law and multiplied out 4x(5x^212x^2+8x),she got 20x^348x^3+32x^2; thus, Andrew's solution does not appear to check. Why is that? Please help
asked by ROCKY 
chemistry
calculate the amount of energy (kJ) lost when 50 mL of water at 0 Celcius freezes at 0 Celcius
asked by michelle