Questions Asked on
December 5, 2014

Physics
The brakes of a bike (with a person) having a mass of 63 kg, reduces it's velocity from 8.5 m/s to 0 m/s in 3.0 seconds. What is the magnitude of braking force?
asked by Jennifer 
Driver's Ed
1. The natural laws include the law of (1 point) speed limits. gravity*** railroad crossings. yielding. 2. Which of the following should determine whether you need to speed up or slow down? (1 point) how quickly you need to get somewhere how far above the
asked by Sandy East Ward 
Algebra 1
What equation has a graph parallel to the graph of 9x + 3y = 22? 1 y = 3x 22 2 y = 3x + 8 3 y = 1/3 x + 12 4 y =  1/3 x  2
asked by Steve 
Physics Questions Help Please!
1) The lowest tone to resonate in an open pipe of length L is 1600 Hz. What is the frequency of the lowest tone that will resonate in a closed pipe of length 2L? a) 100 Hz b) 1.60 Hz c) 200 Hz d) 0.800 kHz 2) Which of the following does not increase as a
asked by Kimberly 
physics
A man stands at the midpoint between two speakers that are broadcasting an amplified static hiss uniformly in all directions. The speakers are 28.0 m apart and the total power of the sound coming from each speaker is 0.602 W. Find the total sound intensity
asked by Anonymous 
Business Math
Frank's base pay rate is $15.50 per hour, with overtime pay of timeandahalf, and doubletime for holidays. Calculate her gross pay if she worked 6.5 holiday hours in addition to 38.5 hours Monday through Saturday. (Round your answer to the nearest
asked by Shiquita 
Chemistry
How do I do the empirical formula for 37.01% carbon, 2.22% hydrogen, 18.50% nitrogen, and 42.27% oxygen? My teacher gave me the answer (C7H5N3O6), but I can never get that answer.
asked by Grace 
Chemistry (Electrochemistry)
The standard potential for the following galvanic cell is 1.72V : Be(s)Be2+(aq)Pb2+(aq)Pb(s) The standard reduction potential for the Pb2+/Pb halfcell: E = .13V Calculate the standard reduction potential for the Be2+/Be halfcell. What I know: Be is
asked by Brian 
Chemistry
An archeological artifact was subjected to radiocarbon dating. The artifact showed a carbon14 decay rate of 13.8 disintegrations/ min per gram of carbon. Carbon14 has a halflife of 5715 years, and currently living organisms decay at the rate of 15.3
asked by Rachel 
Math Trig
Let theta be an angle in quad III such that sec theta = 13/5. Find the exact values of cot theta and sin theta? Thank you!!!
asked by Uzi 
Math
For how many real values of x is sqrt(63 sqrt(x) an integer?
asked by Lilly 
Calculus
How do I find the area of the region bounded by the graphs of the given equations? y=x+20; y=x^2
asked by Duane 
Math
Q. Tim's family was collecting aluminum cans to recycle. They found out that they would get two cents for every three cans they collected. If they collected 2,187 cans,how many did they receive? A. Do I mulpite 2,187 * 2 = 6,561 Or do I divide, 2,187
asked by Phoebe 
physics
When an earthquake occurs, two types of sound waves are generated and travel through the earth. The primary, or P, wave has a speed of about 8.0 km/s and the secondary, or S, wave has a speed of about 4.5 km/s. A seismograph, located some distance away,
asked by Anonymous 
Chemistry
At a total atmospheric pressure of 1.00 atm, the partial pressure of CO2 in air is approximately 4.0×10−4 atm. If at 20 ∘C and a partial pressure of 760 mmHg, the solubility of CO2 in water is 0.169 g/100mL, what is the solubility of CO2 in an open
asked by Mike 
chemistry
Consider the reaction: 2H2S(g)⇌2H2(g)+S2(g) An equilibrium mixture of this reaction at a certain temperature was found to have [H2S]= 0.542M , [H2]= 2.64×10−2M , and [S2]= 7.54×10−3M . What is the value of the equilibrium constant at this
asked by Anon 
English help please
1. Which of the following passages from the text identifies a key event in the plot? A. "... I'll buy your unexpired time. I think between us we could make some fine things you and I." The boy flushed. To think the great Paul Revere wanted him... B. His
asked by callie 
Ap History
What was the significance of the LincolnDouglas debates? a) They brought together two outstanding speakers that were largely in agreement on the issues. b) They highlighted the strengths of both the Democratic and Republican parties. c) They framed the
asked by Quilla. 
Math
An nsided polygon has interior angles of which 4 of them are of sizes 125,220,40 and 295 degrees . The remaining interior angles are of sizes 20 degrees each. Find the value of n, My working: let the number of sides for the polygon be n and the remaining
asked by Nurul 
Chemistry
The ΔH of the reaction below is 575.13 kJ. Is this reaction spontaneous? 2ZnS + 3O2 + C → 2SO2 + 2Zn + CO2 A. It is not because the ΔH of the reaction is negative. B. It is because the ΔH of the reaction is negative. C. It depends on the temperature
asked by Morgan 
Pre Calculus
You have been hired by the Humane Society to construct six 2 by 3 animal cages using 1400 feet of chain fence. Express the length and width using function notation. Include a graph with the area function with explanation of significance. Find the
asked by Guillermo 
Chemistry
In the reaction between bromine and sodium, a bromine atom gains an electron. What ion is formed? Is the bromine oxidized, or is it reduced?
asked by Sienna 
education
need help understanding these two questions. thank you What steps toward media literacy can you think of that we should teach children to help them critically evaluate Disney and other popular culture products for themselves? How should teachers address
asked by LEE LEE 
Chemistry
Rank these from lowest boiling point to highest. CH4 CH3CH2CO2CH2CH3 CH3(CH2)2C=ONH2 CH3COOH
asked by Stacy 
Ap History
Hi i had these questions wrong :/ The North and South held different views toward slavery in 1850. What were they? a) The North believed in a free labor system and the South believed in a slave labor system. b)The South believed that black people were
asked by Quilla. 
Physics
A 1600 kg car traveling at 13.7 m/s to the south collides with a 4600 kg truck that is initially at rest at a stoplight. The car and truck stick together and move together after the collision. What is the final velocity of the twovehicle mass? Assume that
asked by help me! 
Chemistry
Merchants usually sell small nuts, washers, and bolts by weight (like jelly beans!) rather than by individually counting the items. Suppose a particular type of washer weighs 0.128 g on the average. What would 130. such washers weigh?
asked by Teresa 
Chemistry
Oxygen gas may be prepared by decomposing hydrogen peroxide, h2o2, using manganese (IV) oxide catalyst: 2H2O2(liquid) > 2H2O(liquid) + O2(gas) Calculate the amount of oxygen that will be produced from 1.35 moles of H2O2 Determine the mass of oxygen gas
asked by kai 
world history
How did 18th and 19thCentury European imperialism help to cause nationalism in Asian and African countries?
asked by DIAMOIND 
algebra (please help)
A small fastfood restaurant invests $4,000 to produce a new food item that will sell for $4.59. Each item can be produced for $2.19. (a) How many items must be sold to break even? (Round your answer to the nearest whole number.) items (b) How many items
asked by angie 
physics
how many significant digits are in the following measurement 2.546m
asked by John 
PreCalc/Trig...
Use the rules of logarithms to expand [(x+3)^4(x5)^7]
asked by Anonymous 
business
Discussing the future of management, Manager A maintains that we can expect a continued rise of virtual management and growth in technology. Manager B acknowledges that Manager A’s projections are likely, but incomplete. He adds that there will also be
asked by kaitlyn 
Health
Which medication for the treatment of alcohol abuse has been approved by the Food and Drug Administration? A. Baclofen B. Acamprosate C. Topiramate D. Quetiapine A?
asked by Night 
statistics
Let x denote the time taken to run a road race. Suppose x is approximately normally distributed with a mean of 190 minutes and a standard deviation of 21 minutes. If one runner is selected at random, what is the probability that this runner will complete
asked by Eddie 
physics
A girl coasts down a hill on a sled, reaching the bottom with a speed of 8.6 m/s. The coefficient of friction between the sled's runners and the snow is 0.050, and the girl and sled together weigh 670 N. How far does the sled travel on the surface before
asked by nikie 
physics
A roller coaster, loaded with passenger has a mass of 2000 kg; the radius of curvature of the track at the bottom point of the dip is 24 m. If the vehicle has a speed of 18m/s at this point, what force is exerted on the vehicle by the track? (g = 9.8 m/s2)
asked by hilmar 
Managerial Accounting, MBA
A company produces a single product. Variable production costs are $12 per unit and variable selling and administrative expenses are $3 per unit. Fixed manufacturing overhead totals $36,000 and fixed selling and administrative expenses total $40,000.
asked by Nancy 
Physics
A car of mass 1335.0 kg is moving at a speed of 60.4 mph when it misses a curve in the road and hits a bridge piling. If the car comes to rest in 0.214 s, how much average power (in watts) is expended in this interval?
asked by Breyonna Fawling 
Physics
A horse draws a sled horizontally on snow at constant speed. The horse can produce a power of 1.095 hp. The coefficient of friction between the sled and the snow is 0.115, and the mass of the sled, including the load, is 187.6 kg. What is the speed with
asked by Breyonna Fawling 
chemistry
sodium hydroxide and carbonic acid net ionic equation
asked by Hayley 
math
what Is the ratio of 36cm to 9dm?
asked by em em 
Math
Q. As a project,the fifth grade students at Scott Elementary School collected newspaper to recycle. During the first week, they collected 212 pounds of newspapers. For each of the next four weeks,they doubled the previous week's amount of the newspaper
asked by Phoebe 
Calculus
On what intervals is the function f(x)=e^e^2 increasing? Concave upward?
asked by Anonymous 
algebra (please help)
A small software company invests $30,000 to produce a software package that will sell for $64.95. Each unit can be produced for $42.25. (Round your answers to the nearest whole number.) (a) How many units must be sold to break even? units (b) How many
asked by angie 
chemistry
EDTA: 292.2 1. How would you make 250ml's of a 15% EDTA solution 2.How much of solution 1(above)should be used to make 500ml's of a .1% EDTA solution.
asked by frank 
Catering
According to your study unit, a catering resource that offers global networking for caterers, mentors, a caterer's telephone hotline, and many marketing opportunities is the A. National Restaurant Association. B. Art Culinaire. C. International Caterers'
asked by Maddison 
Math
find the exact value of cos 15 degrees.
asked by Alessiah 
Chemistry
Complete the Bronsted Lowry reaction, placing each product by its appropriate label. HCO3^+HNO2 (double arrows) need a spot for acid and for base.
asked by Allison 
physics
You want to set up a standing wave on a string that has a length of 3.7 m. You find that the lowest frequency that will work is 46 Hz. What is the speed of a wave on this string?
asked by Elizabeth 
programming
Hi, please help me with this question. Write a program to assign passengers seats on a train journey that travels from Paris to London. Assume the train consists of (78 seats distributed amongst different classes) with the following specifications: 3
asked by Ubale 
Chem
O=S=O what is this molecular structure Sulfur dioxide? It wants it's binary compound name and formula it is written this way SO2?
asked by Feather 
Physics
A computer hard drive rotates at 5400 revolutions per minute. Starting from rest, what torque will get the hard drive up to that speed in just 150 revolutions? The moment of inertia of the hard drive is 1.3×10^2 kg·m^2. I know the answer is 2.2 N.m, but
asked by Devon 
Physics
super mouse steals a large piece of cheese by rolling it across the floor with a force of 5.0 N. If the cheese has a mass of 50 kg with what acceleration does the cheese move? If super mouse's force remains constant, what will be the speed of the rolling
asked by Jennifer 
History
True False After emancipation, blacks joined the Confederate Army in droves. I guess this would be true but, much more African Americans joined the Union Army.
asked by Anonymous 
Science
Which of the following describes the fundamental difference between prokaryotic and eukaryotic cells?
asked by Dinkleberry 
physics
how many significant digits are in the following 2,546m
asked by Anonymous 
math
what is a reflection
asked by jordan spencer 
algebra
Use properties of logarithms to condense the logarithmic expression. Write the expression as a single logarithm whose coefficient is 1. Where possible, evaluate logarithmic expressions. 4logbx  logby
asked by ada 
Physics
A solid cylinder of mass 20 kg rotates about its axis with angular speed of 100 rad/sec. the radius of the cylinder is 0.25m. what is the kinetic energy of the cylinder?
asked by Devnet 
Calculus
Find the interval on which f(x)=xe^x is increasing. I got (1,infinity)..
asked by Anonymous 
Chemistry
Ringer's solution, used in the treatment of burns and wounds, is prepared by dissolving 8.6 g of NaCl, 0.30 g of KCl, and 0.33 g of CaCl2 in water and diluting to a volume of 1.00 L. What is the osmolarity of Ringer’s solution?
asked by Mike 
Chemistry
A pickling solution is prepared by dissolving 250g of NaCl in 4.0L of water. Calculate the osmolarity of the solution.
asked by Mike 
intermediate algebra
simplify to the lowest term Square root of 40x^3
asked by meri 
Chemistry
What is the osmolarity of a typical oral rehydration solution (ORS) for infants that contains 95mEq/LNa+ , 25mEq/LK+ , 115mEq/LCl− , and 2.5% glucose? The molecular weight of glucose is 180 amu.
asked by Mike 
Health
What are warning signs that someone may have a drinking problem? A. A person continued to drink even though it was causing trouble with their family or friends B. A person found that when the effects of alcohol were wearing off, they had withdrawal
asked by Night 
Chem
What are the relative masses of protons neutrons and electrons?
asked by Feather 
Health
It is recommended that a person sip slowly so that he or she has no more than ________ with alcohol per hour. A. 2 standard drinks B. 4 standard drinks C. 1 standard drink D. 3 standard drinks A?
asked by Night 
physics
Three blocks A, B, and C are connected by two massless strings passing over smooth pulleys as shown below, with the 3.4kg block on a smooth horizontal surface. Calculate the tension in the strings connecting A and B, and, B and C.
asked by bob 
Algebra 1
Which equation is the equation of a line that passes through (10,3) and is perpendicular to y=5x7? 1 y=5x+53 2 y=1/5x 7 3 y= 1/5x +1 4 y= 1/5x +5
asked by Steve 
English
1. I went to Shinsegae Department Store to buy some clothes. 2. I went to a Shinsegae Department Store to buy some clothes. 3. I went to the Shinsegae Department Store to buy some clothes.  Which one is right? Don't we need to use the
asked by rfvv 
Chemistry
The solutions of both Ag+ and Zn2+ ions have no color. What does this suggest about their electron configurations?
asked by Jessoca 
math
3x=15
asked by kayla 
Maths
Find the smallest whole number n for which 126n is a multiple of 3234. My working: 126=2x3x3x7 3234=2x3x7x7x11 lcm=2x3x3x7x7x11
asked by Izzah 
Physics circular motion
A speed skater goes into a turn with a 31 meter radius. The skater has a speed of 14 m/s and experiences a centripetal force of 460 n. What is the mass of the speed skater
asked by Alejandro 
p e
2. The body's main energy source should come from what essential nutrient? A. protein
asked by help?thanks 
Catering
6. At a party, it's sometimes permissible for serving personnel to A. smoke, provided they don't do so in view of the guests. B. become part of the party if they know some of the guests. C. take home any leftovers that remain. D. sample the buffet items
asked by Jake4 
Calculus Please Help
Can you please explain these two questions to me? Suppose the population size of a predator is given by P (x) = 0.006x2 + 0.005x, where x represents the population of its prey. If the population of the prey is 10,000 at the first of January and is reduced
asked by Eric 
English
when the price of goods and servies go up but the value of money goes down this is called ? a. draft b. infation c. blocked d. bond
asked by help?thanks 
Math
When fully simplified, ignoring nonpermissible values,24x^18/6x^3 x x^8/30x^6? a)15/2x^8 b)2/15x^8 c)15/2x^17 d)2/15x^17
asked by Alex 
Math
When fully simplified, ignoring nonpermissible values, 12x^12/4x^3 divided by x^8/24x^6? a)72x^3 b)1/72x^7 c)1/72x^3 d)72x^7
asked by Alex 
Help  involving economics
So if the federal government decided to increase the minimum wage by $1/hr, what could be some economic affects of that? I already thought of the fact that people will get paid more, but I can't think of any more. Can you help?
asked by Angel 
chemistry
How many bonds can each atom make without hybridization? B,N, and O
asked by Paul 
Mechanics
A 1kg ball in the air has an initial velocity vo = [ 20 ] i + [ 30 ] j m/s. It falls for a total time of 1 s. Assume that positive xvalues are to the right and positive yvalues are upward. A)What is the impulse or change in momentum Delta p of the
asked by Jo 
Calculous (Finding Zeros!)
y = (x^2+2x5) (x^3+3x^240x) Find the zeros ( 5 total zeros ) x = x = x = x = x = So would it be easier for me to distribute first then factor the whole mess out to find the xintercepts that are the zeroes?. Or. factor (x^2+2x5) and (x^3+3x^240x) and
asked by Tyler 
mat
Becky used 5 teaspoons of mustard to make a 32 ounces of potato salad. How many teaspoons of mustard does she need to make 4 pounds of potato salad?
asked by Erica 
Math Calculous
Find a possible formula for a polynomial f with the following properties. f has degree lessthanorequalto 2, f(0) = f(3) = 0 and f(5) = 30 f(x) = ? k(x+0)(x+0)(x3) I know the zeroes for 3 of them are 0, 0, 3, how would i find out the rest?
asked by Taylor 
Calculous Finding K, using zeros
Suppose f(x) has zeros at x = 3, x = 3, x = 5, and a yintercept of 17. In addition, f(x) has the following longrun behavior: as x > +infinity, y > +infinity Find the formula for the polynomial f(x) which has the minimum possible degree F(x) =
asked by Randy 
math
what is the money value of 0.098
asked by ruth 
math
sarah works in the clubhouse golf course. She receives a case containing 125 golf balls. the number of boxes in the case is equal to the number of packs in each box. and the number of packs in each box is equal to the number of golf balls in each pack. how
asked by Anonymous 
math help
given the function F described by f(x)x6. find f(7)
asked by WINSTON 
math
A company rents its care for a daily fee, plus an additional charge per miles driven. Trip one is 4 days, 450 miles, and cost $244.50 for the rental. Trip two is 3 days, 200 miles and cost 149.00 for the rental. Find the daily fee, and find the mileage
asked by Maria 
Math please check
I know the answer to the first one is "e" and the answer to the second one is "a "but I have no idea why please explain how to do these two problems. I am very confused with this new method. Thank you! The “CobbDouglas” productivity function for a
asked by Jennifer 
physics
Assume that the Grand Bahama Island lies at the origin of the coordinate system shown in the diagram at below. Vector represents the hurricane's displacement at 44.5 km/h and vector represents its displacement after it shifts course three hours later and
asked by pagan 
Intermediate Algebra
simplify the the lowest term 1. square root of 40x^3 2. square root of 3/4 times square root of 4/7 3. square root of 6 + square root of 20
asked by meri 
Physics
Someone please help me! I've been stuck on this problem for a while now and i can't figure it out! A disk with mass m = 5.2 kg and radius R = 0.44 m hangs from a rope attached to the ceiling. The disk spins on its axis at a distance r = 1.59 m from the
asked by stewart 
math
john receives a 2.5% real estate commission when he sells a home for his client?how much will the client receive from the sale of their 346.000 home
asked by nicole 
Business Math
Using the dating method, calculate the discount date and the net date. Unless otherwise specified, the net date is 20 days after the discount date: The date of invoice is April 6th, Terms of sale is 2/10, EOM. What is the Discount date? What is the Net
asked by Tammy 
SocialStudiesHelp!
what would have happened if sybil luding never rode to warn people of an attack Plz no website thx :)
asked by LoveKittens 
Business
Where can I find detailed info on all the lawsuits that Microsoft have encountered?
asked by Z 
Math
The quantity sqrt(45) 2sqrt(5) +sqrt(360/2) can be expressed as sqrt(N), where N is an integer. Find N. * the whole fraction 360/2 is squarerooted.
asked by Matt 
physics
A 92 kg clock initially at rest on a horizontal floor requires a 656 N horizontal force to set it in motion. After the clock is in motion, a horizontal force of 560 N keeps it moving with a constant speed.
asked by Anonymous 
Physics
An object is placed 5 cm in front of a concave lens of focal length 7 cm. Find the image location by drawing a ray tracing diagram to scale. Verify your answer using the lens equation. I am confused on what numbers would be negative in my formula of
asked by Frank German 
math
The ratio of white marbles to blue marbles in Connie's bag of marbles is equal to 2:3. There are more than 20 marbles in the bag. What is a possible number of white marbles and blue marbles in the bag? THANK YOU!
asked by kymy 
algebra
Solve the equation algebraically. Round the result to three decimal places. Verify your answer using a graphing utility. e−^8x − 6xe^−8x = 0 x = I need help solving this problem.
asked by angie 
lea
book title of the watsons go to birmingham 1963
asked by lisa 
Reading
Doesn't it seem (abnormal,insubordinate) for a bright young person to show no interest in taking part in any school activities?
asked by Kayla 
Biology
what is the vascular system of the lilac flower. i tried finding some sites. some sites would help me. PLease!
asked by Katherine 
math
Barry's deck of cards contains 40 blue cards and 70 red cards. Max's deck of cards contains the same number of blue cards, but the ratio of blue cards to red cards is 8:9. How many total cards does Max's deck of cards contain? THANK YOU!
asked by kymy 
maths
Given that a line passes through the point , and that the line is perpendicular to the line Determine the equation of the line If sin(2030)cos(3040) then the value of is 0 In a class of 40 boys, 18 passed Business Mathematics, 19 passed Accounts, 10
asked by Azeke 
kinesiology
clean and jerk muscle analysis
asked by buba 
Calculus
If f(x)=the sqrt of 3x,find f'(3). Isn't it 3/2•sqrt of 3?
asked by Anonymous 
Math
Please help me the way through this sum Integrate Cos squared(3x) btwn x=pie/2 andx=0
asked by Benson mb 
Calculus question please explain
I know the answer to the first one is "e" and the answer to the second one is "a "but I have no idea why please explain how to do these two problems. I am very confused with this method. Thank you! The “CobbDouglas” productivity function for a factory
asked by Jennifer 
chemistry
the halflife of a positron is very short. it reacts with an electron, and the masses of both are converted to two gammaray photons:
asked by yannick lungu 
Calculus
Find the interval on which f(x)=xe^x is increasing. I got (1,infinity)..
asked by Anonymous 
chemistry
) Indicate how each of the following errors would affect(increase, decrease, or no change) your calculated value for the molar volume of O2 at STP (assuming that you complete the expiriment otherwise correctly). In each case, explain your answer. A. Your
asked by Anonymous 
Calculus
Differentiate. cos^3x My answer: 3cos^2x sin^2x
asked by Anonymous 
Math
John runs a florist shop in a small arkansas town and had to borrow $170,000 to start up the shop. He was able to borrow some from the state business development office at 4% but the rest he had to borrow from a friend who charged him 8%. The first year
asked by Bernice Cash 
chemistry
potassium hydroxide and perchloric acid net ionic question
asked by Hayley 
Quantitative Business Analysis
John runs a florist shop in a small arkansas town and had to borrow $170,000 to start up the shop. He was able to borrow some from the state business development office at 4% but the rest he had to borrow from a friend who charged him 8%. The first year
asked by Bernice 
Quantitative Business Analysis
John uses a liquid fertilizer to grow flowers in his back room. His fertilizer tank has a capacity of 5 gallons and currently contains 3 gallons of fertilizer which is 10% nitrogen. If he wants to change his fertilizer to 15% nitrogen, what percentage of
asked by Bernice 
Quantitative Business Analysis
John runs a florist shop in a small Arkansas town and had to borrow $170,000 to start up the shop. He was able to borrow some from the state business development office at 4% but the rest he had to borrow from a "friend" who charged him 8%. The first year
asked by Bernice 
Quantitative Business Analysis
John is considering adding balloons to the product line he sells at the shop. There will be a cost of $200.00 for leasing the necessary equipment. The cost of buying balloons and helium and paying a worker is expected to be $4.25 per unit (balloon). He
asked by Bernice 
Quantitative Business Analysis
John has believed for some time that flower sales are related to consumer income. Recently in a trade magazine, he found some interesting data. In a market where average income was $22,000, flower sales were $60,000. In another market where all factors
asked by Bernice 
Quantitative Business Analysis
The market for 40 lb. bags of pine bark mulch (sold at John's shop) is described by the following functions: p = .3q + 66 p = 1.3q  30 where p is the price per unit and q is the number of bags bought and sold. a) Which of the functions above is the
asked by Bernice 
Calculus
Differentiate. cos^1 2x
asked by Anonymous 
Algebra
Please help me to to solve this quadratic equation word problem. Here is the question: Studying Microgravity. NASA'S Glen Research Center in Cleveland, Ohio, has a 435foot drop tower that begins on the surface and descends into Earth like a mineshaft. How
asked by lpcruz 
Algebra
Please help me to to solve this quadratic equation word problem. Here is the question: The Abacus. The Chinese abacus consists of a frame, parallel wires, and beads that are moved to perform arithmetic computations. The frame is 21 Centimeters longer than
asked by lpcruz 
Calculous
g(x) = x^48x^316x^2+128x the graph goes through the x through (4,0) , (0,0) (4,0), (8,0) horizontal axis has a scale of 2,4,6,8,10 (each tick increases by 2) Yaxis value that is the highest is (4,30) and (8,30) Assume g(x) = k(xp)(xq)(xr)(xs) p
asked by Randy 
Physics
A projectile is shot straight up from the earth's surface at a speed of 1.20 x 104 km/hr. How high does it go?
asked by Sarah 
business finance
You want to buy a small house that costs RM100,000. You have RM10,000 for a down payment and repaid in equal installments at the end of each of the next 3 years. The interest rate is 7 percent compounded annually. a. Calculate how much you need to pay for
asked by Anonymous 
chemistry
Determine the number of bonding electrons and the number of nonbonding electrons in the structure of SeCl2 and SiO2.
asked by LO 
business finance
Your client is 40 years old, and she wants to begin saving for retirement, with the first payment to come one year from now. She can save RM5,000 per year, and you advise her to invest it in the stock market, which you expect to provide an average return
asked by Anonymous 
Financial Management
A firm is trying to determine its optimal capital structure, the company's CFO beliefs that the optimal debt ratio is between 20% to 50% .Her staff has compiled the following projection of company 's EPS and stock price for different debt levels Debt ratio
asked by Asif Naeem 
Biology
Based on cellular respiration, what happens when oxygen supply is cut off to an animal?
asked by Anonymous 
math
3 cups a sugar makes 36 cookies how many cookies would 2/3 cup sugar make?
asked by lauren 
calculus Please Help
The cost for a toy company to produce x Cosmic Starships is C(x) = 1400 + 6x − 0.01x2. What ￼￼￼￼￼￼￼￼￼￼is the marginal average cost function? Can someone please explain how to do this to I have no idea where to start? I need to know
asked by Erica 
Math please check
Find the equation of the line that contains the point (3, 2) and is parallel to the line 3x − 9y = 0. I know I solve for y and I get y= 3x/9 but I am not sure where to go from here please help.
asked by Erica 
physics
The speed of a transverse wave on a string is 457 m/s, while the wavelength is 0.228 m. The amplitude of the wave is 2.05 mm. How much time is required for a particle of the string to move through a total distance of 1.34 km?
asked by Anonymous 
physics
A jetskier is moving at 8.9 m/s in the direction in which the waves on a lake are moving. Each time he passes over a crest, he feels a bump. The bumping frequency is 1.15 Hz, and the crests are separated by 5.8 m. What is the wave speed?
asked by Anonymous 
Help with Statistics (Tvalue and decision rule)
For a random sample of 12 observations, the sample mean was 407 and the standard deviation was 6. Using the .05 significant level, answer the following questions. What would the t value be? What is the decision rule? **** I think the tvalue would be t =
asked by Jennifer 
physics
Sound is passing perpendicularly through an open window whose dimensions are 1.1 m x 0.75 m. The sound intensity level is 71 dB above the threshold of human hearing. How much sound energy comes through the window in one hour?
asked by Anonymous 
art
What visual and performing art principles of design
asked by bhay 
Chemistry
In the following reaction, how many liters of carbon dioxide will be produced if 250 liters of oxygen is used in the combustion of sucrose given that both gases are at STP? C12H22O11 + 1202 > 12CO2 + 11H2O I have had other ones in my homework that were
asked by Jessica 
chemistry
Why the vapour pressure of water and ethanol is 760 mm of Hg at 100 C and 78.5 C ?
asked by ali 
Math
Suppose their are 2 pieces of cake left over but you don't know how many pieces were in the whole cake
asked by Anonymous 
chemistry
The reaction for the complete combustion of acetylene is shown below. C2H2(g) + 5/2 O2(g) > 2 CO2(g) + H2O(l) Î”H = 1299 kJ Use this reaction and the data below to calculate the heat of formation for acetylene. Î”Hf[H2O(l)] = 285.8
asked by Afnan 
Physics
What is the force of attraction between an 8 kg bowling ball and a 13 kg cannon ball that are sitting 2 meters apart?
asked by Anonymous 
chemistry
for the reaction A + B C the concentrations of AB, and C are 0.2M, 0.4M and0.)M respectively at 0 minutes. After 30 minutes the concentrations of A and B drop to ).080mM and 0.280M respectively, while the concentration of C rises to 0.120M. Calculate the
asked by carol 
Algebra 2/Trigonometry
How do I solve f(x)=x^36x^2+16x96 using Descartes' Rule of Signs to find the number of positive and negative real roots, along with imaginary roots, but not with a graph?
asked by Christian 
maths
Questions Given that a line passes through the point , and that the line is perpendicular to the line Determine the equation of the line If then the value of is In a class of 40 boys, 18 passed Business Mathematics, 19 passed Accounts, 10 passed Economics,
asked by Azeke 
history
What political and economic effects reshaped american society from 1820 to 1848?
asked by moooose 
math
what is 1 7/94/9 express the answer in simplest form
asked by shay