Questions Asked on
March 27, 2014

pre calculus
A taxi company charges $2.00 for the first mile (or part of a mile) and 20 cents for each succeeding tenth of a mile (or part). Express the cost C (in dollars) of a ride as a piecewisedefined function of the distance x traveled (in miles) for 0
asked by Danielle 
Chemistry
The measured potential of the following cell was 0.1776 volts: PbPb2+(??M)Pb2+(1.0M)Pb Calculate the electrode potential of the unknown halfcell(anode). Not sure how to approach this, considering the molarity is unknown. There isn't a lot of space on
asked by Alex 
Chemistry Help Please!!!
What initially forms as pale blue and pale green precipitates when NH3(aq) is added to [Cu(H2O)6]^2+ and [Ni(H2O)6]^2+ solutions, respectively?
asked by Mello 
social studies (check plz)
Which statement best describes the government of Canada? The monarch of Britain has total control over Canada. The Canadian parliament is ruled by the United States. Canada has complete power over its own government(MY ANSWER) The prime minister is the
asked by luna 
Geometry
Write a rule in function notation to describe the transformation that is a reflection across the yaxis. A. Rx0(X,Y) B. Ry0(X,Y) C. Ryx(X,Y) D. Rx1(X,Y)
asked by Shay 
Alegerba Help!
Use equal intervals to make a frequency table for the average number of movies per person. You do not need to show tally marks. Country Average Number of Movies Turkey 0.5 Japan 1.2 UK 1.3 Finland 1.3 Austria 1.5 Germany 1.8 Spain 2.2 Sweden 2.2 Denmark
asked by Amy 
Global Studies
Which of not following is NOT associated with El Nino? A. Fish that thrive in cold Pacific waters are driven away. B. Areas that usually have dry weather get heavy rains or are flooded C. Drought plagues certain peoples in South America D. All of the above
asked by Hannah 
History
How was James I's rule of England similar to peter the great's rule of Russia? Both reduces the size of their empire. Both increased their own power without approval by other government entitles. Both relied heavily on the opinions of their subjects when
asked by Henry 
physics
Suppose that, on a day when the outside temperature is 15 degrees Celsius, we fill a balloon with pure nitrogen gas, of which the molar mass is 28 grams per mole. Now suppose that we want to heat up a second (equally large) balloon containing air, such
asked by Nick 
Statistics
A stockbroker placed the following order for a customer: • 50 shares of Kaiser Aluminum preferred at $100 a share • 100 shares of GTE preferred at $27.20 a share • 20 shares of Boston Edison preferred at $12.20 a share What is the weighted arithmetic
asked by Shawn 
physics
Some say that the hot air balloons with which the Montgolfier brothers performed their first flight had a volume of 1700 cubic metres and could lift 780 kilograms (that includes the balloon, basket and payload). Assume that the balloon took off on a day
asked by Nick 
math
A group of friends went to lunch. The bill, before sales tax and tip, was $37.50 . A sales tax of 8% was added. The group then tipped 18% on the amount after the sales tax was added. What was the amount, in dollars, of the sales tax? What was the total
asked by **please help** 
econ
The terms below are measures or individual components of the money supply. Specifically considering the money supply of the United States, rank these items from largest to smallest in terms of dollar value. Currency, M2,M1,Balances in savings accounts,
asked by sara 
Algebra
Keiko is a software saleswoman. Let represent her total pay (in dollars). Let represent the number of copies of History is Fun she sells. Suppose that and are related by the equation . Answer the questions below. Note that a change can be an increase or a
asked by James 
Math ~ Check 1 Answer ~
Complete the sentence below. Scatter plots are used to look for a pattern of association, or trend, between one set of values. two sets of values******* three sets of values. four sets of values
asked by Cindy 
physics
Two stars in a binary system orbit around their center of mass. The centers of the two stars are 7.78x1011 m apart. The larger of the two stars has a mass of 4.19x1030 kg, and its center is 1.75x1011 m from the system's center of mass. What is the mass of
asked by Anonymous 
Calculus Help Please!!!
In a murder investigation, the temperature of the corpse was 32.5 C at 1:30pm and 30.3 C an hour later. Normal body temperature is 37.0 C and the temperature of the surrounding was 20.0 C. When did the murder take place? PLEASE SHOW STEP BY STEP
asked by Tanya 
chemistry
I do not understand how to right a balanced equation for the combustion of cellulose in oxygen to produce carbon dioxide and water vapor. I know that cellulose is C6H10O5 but I don't understand how to balance. Thanking you in advance for your help.
asked by linda 
Algebra
I am having issues with factoring. I am trying to check my work using a TI84 Plus calculator but I don't know how to plug in a problem to check its factoring. Can anyone help? for example 44y^3+55y^211xy how can I go about plugging that in to check my
asked by Christopher 
Math
a trainer for a professional football team keeps track of the amount of water players consume throughout practice. the trainer observes that the amount of water consumed is a linear function of the temperature on a given day. the trainer finds that when
asked by Daniela 
physics
a car traveling at 43m/s decelerates at a rate of 7.1 m/s squared. how long did it take the car to stop? what distance did the car travel while stopping?
asked by ben 
math
A downtown auditorium hosts large events. The auditorium can seat 600 people at one time. The sponsors of an awards dinner are using the auditorium for 450 people. The chef has prepared meals for 3/4 of the usual 600 people. The pastry chef has made enough
asked by mikel 
Statistics
8.Using the following statistics to describe a distribution of data, what is the interquartile range? Minimum = 13 Q1 = 25 Median = 54 Q3 = 72 Maximum = 98 25. 12. 85. 47.
asked by Shawn 
Statistics
For the most recent seven years, the U.S. Department of Education reported the following number of bachelor's degrees awarded in computer science: 4,253; 5,578; 6,406; 7,334; 8,728; 11,298; 15,182. What is the annual arithmetic mean number of degrees
asked by Shawn 
geometry
Two buildings are separated by an alley. Joe is looking out of a window 60 feet above the ground in one building. He observes the measurement of the angle of depression of the base of the second building to be 50 degrees and the angle of elevation of the
asked by joe 
Statistics
The distribution of a sample of the outside diameters of PVC gas pipes approximates a symmetrical, bellshaped distribution. The arithmetic mean is 11.0 inches, and the standard deviation is 2.0 inches. About 68 percent of the outside diameters lie between
asked by Shawn 
Geometry
What translation rule can be used to describe the result of the composition of T(X,Y) and T (X,Y)? A. T(X,Y) B. T(X,Y) C. T(X,Y) D. T(X,Y)
asked by Libby 
Physics
In a cyclotron (one type of particle accelerator), a deuteron (of mass 2.00 u) reaches a final speed of 10.1% of the speed of light while moving in a circular path of radius 0.540 m. What magnitude of magnetic force is required to maintain the deuteron in
asked by Paul 
physics
For tests using a ballistocardiograph, a patient lies on a horizontal platform that is supported on jets of air Because of the air jets, the friction impeding the horizontal motion of the platform is negligible. Each time the heart beats, blood is pushed
asked by Anonymous 
Physics.
A dike in Holland springs a leak through a hole of area 0.60cm2 at a depth of 1.4m below the water surface. How much force must a boy apply to the hole with his thumb to stop the leak? Express your answer to two significant figures and include the
asked by James 
Global Studies
All of the following affect climate EXCEPT a. vegetation b. elevation c. location d. wind patterns
asked by George 
math
jared bought a package of pens containing 20 pens. If 3/4 of the pens had black ink, how do you determine the number of pens with black ink?
asked by Anonymous 
Chemistry URGENT
I need help balancing a equation for the combustion of cellulose in oxygen to produce carbon dioxide and water vapor. C6H10O5 = 6CO +5H2O I know this is not correct but I don't know what else to do to get this to balance. Thanking you in advance.
asked by linda 
art
is there a universal standard for "good color"... the choices are a.yes, it's concordance b.no, there is no standard c. yes, it's called unity or d. yes it's called discord. I say it's c, anyone know if i'm right?
asked by torey 
physics
At some point in the combustion cycle of an engine, the temperature of a combusted airfuel mixture is 582 degrees Celsius. Given that the pressure in the mixture is 6.2 bar, determine the density of the mixture (in kilogram per cubic metre).
asked by Nick 
science
an you please solve the questions for me 1. 3 moles of pesticide of molecular mass 200 g/mole is applied to a closed system consisting of 20 m3 of water, 10 m3 of air, 1 m3 of sediment, and 0.001 m3 of fish. Determine the concentration and amount in both
asked by gift 
Math
In a marketing survey involving 1,000 randomly chosen people, it is found that 630 use brand P, 420 use brand Q, and 210 use both brands. How many people in the survey use brand P and not brand Q? Answer choices: 210 people 420 people 630 people none of
asked by Helena 
math
Mrs. Jones and Mr. Graham had the same amount of money at first. After Mrs. Jones bought a computer that cost $2,055, she had 1/4 as much money as Mr. Graham. How much money did Mr. Graham have?
asked by carol 
Physics.
Calculate the water pressure at the base of the Hoover Dam. The depth of water behind the dam is 220m . Express your answer to two significant figures and include the appropriate units.
asked by James 
Chemistry
I would really like to understand how to do these problems, because my exam is coming up in a few weeks. I still cannot comprehend how you can tell if a system is is positive or negative according to reaction. For #1, I presume it is E if it is spontaneous
asked by Rainie 
WORD PROBLEMS UGH
Chef kim plans to serve a fruit plate to each of 336 diners at a banquet. Each plate will contain 6 slices of kiwi fruit, 3 pieces of mango, and 5 strawberries. If a mango yields 5 pieces and a kiwi fruit yields 8 slices, how many fruits are needed?
asked by anra 
Dimensionless parameters
The drag, D, on a sphere located in a pipe flow through which a fluid is flowing to be determined experimentally. Assume that drag is a function of the sphere diameter, d, the pipe dianeter, H, the fluid velocity, V, and the fluid density, p. a) What
asked by Charlie 
Global Studies
Although the Amazon Basin receives more than 80 inches of rain per year, South America also has the driest place on Earth, know as a. Death valley b. Gobi desert c. Atacama desert*** d. the Caribbean
asked by Josh 
physics
Two electrons start at rest with a seperation of 5e12 metres. Once released, the electrons accerelate away from each other. Calculate the speed of each electron when they are a very large distance apart.
asked by Tristan 
math
Two tracking stations 50 miles apart sight a weather ballon. The angle of the ballon from one of the stations is 45° and from the other is 60°. What is height of the balloon?
asked by Sherwion 
statistics
An airline company is considering a new policy of booking as many as 161 persons on an airplane that can seat only 140. (Past studies have revealed that only 81% of the booked passengers actually arrive for the flight.) Estimate the probability that if the
asked by Amy 
math
vehicles lose value over time. A car is purchased for $23 500, but it is worth only $8750 after eight years. What is the average annual rate of change in the value of the car, as a percent?
asked by HELPPPPP 
science Physics
Two electrons start at rest with a seperation of 5e12 metres. Once released, the electrons accerelate away from each other. Calculate the speed of each electron when they are a very large distance apart.
asked by Tristan 
World History
What role did the Jacobins play in the French Revolution? The Jacobins reached an agreement with moderate French leaders to end the revolution. The Jacobins opened French gov't to full participation by women. The Jacobins returned France to a monarchy by
asked by Henry 
Social Studies
The excerpt below is Article 6 of the "Declaration of the Rights of Man," the document that founded the French Republic on August 26, 1789. Use this excerpt below to answer the following question: Law is the expression of the general will. Every citizen
asked by Anonymous 
Math
What is 7 sqrt 8  2 sqrt 8?
asked by Anonymous 
Math
I was wondering if you can help me with math real quickly. I just cant figure this out. For the first question I have to find the surface area for the given cylinder. I have to use 3.14 and round to the nearest whole number. The radius is 6ft and the
asked by SebbyChan 
8th Grade U.S History
Document F Andrew Jackson, Proclamation to the people of South Carolina, December 10, 1832 I consider that the power of one state to annul a law of the United States is not consistent with the survival of the Union. Nullification is forbidden by the
asked by Cassidy 
Math
in triangle PQR, PQ=5.4, QR=3.6, and PR=6.2. to the nearest tenth, what is m
asked by Libby 
physics
The drawing shows a collision between two pucks on an airhockey table. Puck A has a mass of 0.0430 kg and is moving along the x axis with a velocity of +5.41 m/s. It makes a collision with puck B, which has a mass of 0.0860 kg and is initially at rest.
asked by Anonymous 
geometry
In triangle GHJ, GH=32, HJ=63, and m
asked by shay 
university of calabar
A stoppered flask at 25 0C contains 250 ml water, 200 ml octanol, and 50 ml of air. An unknown amount of oxylene is added to the flask and allowed to partition among the phases. After equilibrium has been established, 5.0 mg of oxylene are measured in
asked by gift 
physics
A typical volume of a modern hot air balloon is 2500 cubic metres, and a typical maximum temperature of the hot air is 120 degrees Celsius. Given these figures, and an outside air temperature and density of 15 \(^{\circ}C\) and 1.225 \(kg/m^3\)
asked by Nick 
Math
Write a rule in function notation to describe transformation that is a reflection across the xaxis. A. Ryx(X,Y) B. Rx0(X,Y) C. Rxy(X,Y) D. Ry0(X,Y)
asked by Sierra 
physic
A stationary 2.0 kg object is located on a table near the surface of the earth. The coefficient static friction between the surface is .80 and the coefficient of the kinetic friction is 0.65. A horizontal force of 5N is applied to the object. Determine the
asked by pam 
Science URGENT
Write down the number of hydrogen and oxygen atoms of the following H2O 3H2O 5H2O Write down the number of carbon, hydrogen and oxygen atoms: C6H12O6 2C6H12O6 10C6H12O6 Write down the number of molybdenum, oxygen and hydrogen atoms: Mo(OH)4 3Mo(OH)4
asked by Madhu 
Chemistry
Silver ion reacts with excess CN− to form a colorless complex ion, Ag(CN)−2, which has a formation constant Kf=3.0×1020. Calculate the concentration of Ag+ in a solution prepared by mixing equal volumes of 2.3×10−3M AgNO3 and 0.21M NaCN.
asked by Emily 
Calculus
If e^x = 243 and e^y = 32 then e^((3x + 4y)/5) =? The answer is 432, but I don't understand why.
asked by Ann 
physics
For the purposes of this problem, there are three parts to the figure, and the center of mass of each one is shown in the drawing. These parts are: (1) the torso, neck, and head (total mass = 40.4 kg) with a center of mass located on the y axis at a point
asked by Anonymous 
senior problem solving
a colony of ants doubles every 20 days. if the colony has 350 ants today, how many are/were present in 50 days? a. in 50 days? b. 55 days ago? c. in 30 days?
asked by dareus boddie 
Math
The weather forecaster says it's 20 degrees Celsius in London but only 28 degrees colder in New York. What is the temperature in New York?
asked by Satah 
MATH WORD PROBLEM
Diego works at a toy store. His boss tells him to order 420 stuffed bears and toy cars. He must order 4 stuffed bears for every 3 toy cars. a) If he must order 9 large stuffed bears for every 7 small stuffed bears, how many of each stuffed bear should he
asked by andra 
Chemistry
I am having a hard time figuring out how to write a balanced equation for the reaction of iron and oxygen to produce iron(II) oxide. I also need a balanced equation for the reaction of iron and oxygen to produce iron (III) oxide. I would appreciate any and
asked by linda 
math
vehicles lose value over time. A car is purchased for $23 500, but it is worth only $8750 after eight years. What is the average annual rate of change in the value of the car, as a percent?
asked by LALAALLA 
math
Air is pumped into a balloon such that its volume increases at the rate of 75cm^3 per second. It is assumed that the balloon is spherical all the time. Find in term of pi the rate at which the radius of the balloon is increasing when the radius is 5cm.
asked by rosa 
Chemistry
copper(1) chloride reacts with hydrogen sulfide. if 9.90 grams of copper(1) chloride and 10.2 grams of hydrogen sulfide are reacted together, what is the limiting reactant?
asked by Anonymous 
physic
A stationary 2.0 kg object is located on a table near the surface of the earth. The coefficient static friction between the surface is .80 and the coefficient of the kinetic friction is 0.65. A horizontal force of 5N is applied to the object. Determine the
asked by pam 
Maths
A box contains pns and pencils in the ratio 6 : 5. There are 24 pens. How many pencils are there?
asked by Anonymous 
chemistry
calculate the grams of solute neede to prepare 24 grams of a 13.5% by mass scurose (c12h22o11) solution
asked by jason 
Statistics
The following are the weekly amounts of welfare payments made by the federal government to a sample of six families: $143, $138, $132, $136, $145 and $136. What is the range? $24 $9 $13 $0
asked by Shawn 
3rd grade math
suppose she cut the cake into 8 equal size pieces and 6 people at all the pieces. Explain how they could have divided the pieces so that everyone ate the same amount of cake. You can show your work in a drawing.
asked by mandie 
government
How do ideological parties and singleissue parties differ from one another? A. Ideological parties tend to be more liberal, while singleissue parties tend to be more conservative. B. Ideological parties focus on certain beliefs, while singleissue
asked by ty 
Physics
two groups of paddlers meet in the middle of a lake. after a brief visit a person in canoe 1 pushes on canoe 2 with a force of 46 N . Mass of canoe 1 is 150 kg and mass of canoe 2 is 250 kg. find acceleration of each canoe
asked by Elle 
Physics
Calculate the average force per nail when Sarah (following figure), who weighs 130 pounds, lies on a bed of nails and is supported by 600 nails. Express your answer using two significant figures.
asked by James 
FINANCE
Polycorp has a current dividend of $5.00 due tomorrow and is expected to pay a dividend $5.50 at the end of the first year. Its dividend is expected to grow at 8% pa for the following year. Dividends are then expected to grow at 4% pa for another two
asked by Anonymous 
personal finance
The interest rate is composed of _____ and the ______? a. riskfree rate,risk discount b.risk free rate, risk premium c.risk free rate, default risk premium d. none of the above
asked by tammy 
statistics
A committee consists of five men and four women. Two people are selected at random from the committee. What is the probability that one man and one woman will be selected?
asked by Anonymous 
Statistics
For the most recent seven years, the U.S. Department of Education reported the following number of bachelor's degrees awarded in computer science: 4,253; 5,578; 6,406; 7,334; 8,728; 11,298; 15,182. What is the annual arithmetic mean number of degrees
asked by Shawn 
Math
How many possible combinations are there if a spinner with 4 sections is spun twice?
asked by Hannah 
Chemistry
How would you exactly start the first problem? My thermodynamic skills is a bit rusty. I am assuming I have to use ΔH°f under the given reaction..? But then..we barely covered ΔG° in class. Am I to use this equation, ΔG° = ΔH°  T ΔS°? Umm..can
asked by Airin 
Chemistry
a balloon has a volume of 2.0 L at room temperature (27 degrees celsius). at what temperature would the balloon have a volume of 2.0L?
asked by Jake 
trig
A plane is flying due south at a speed of 192 mph. a wind is blowing in at 53 degrees at 13 mph. what is the bearing of the plane?
asked by brittany 
Physics.
The top floor of a building is 40m above the basement. Calculate how much greater the water pressure is in the basement than on the top floor. Express your answer to two significant figures and include the appropriate units.
asked by James 
Electricity
A 10 nF capacitor is charged to 5 V. How much charge does it store?
asked by Raisa 
Chemistry
a.) How much energy is emitted in each alpha decay of plutonium234 if 234Pu, 234.0433mu and 230U, 230.0338mu. b.) The halflife of plutonium234 is 8.8 hrs. How much heat is released by the alpha decay of a 1 microgram sample of plutonium234 in a
asked by Anonymous 
Calculus
An object in free fall has its distance from the ground measured by the function d(t)=4.9t^2 +50, where d is in meters and t is in seconds. If gravity is the only acceleration affecting the object, what is gravity's constant value?
asked by Anonymous 
math
There are 10 different pairs of shoes in a wardrobe. Find the probability of the event that there is at least one pair among them in choosing 4 shoes by chance. Express your answer in rational form.
asked by jevan 
Calculus
Posted by MG on Wednesday, March 26, 2014 at 6:54pm. The hands of a clock in some tower are 4.5m and 2m in length. How fast is the distance between the tips of the hands changing at 9:00? (Hint: Use the law of cosines) The distance between the tips of the
asked by MG 
Chemistry URGENT
Could someone let me know if I have balanced these equations correctly. balanced equation of the reaction of iron and oxygen to produce iron(ii)oxide. 2Fe + O2 = 2FeO Also if the balanced equation of the reaction of iron and oxygen to produce
asked by linda 
5th Grade Math
Keith played some games of chess at a tournament. He recorded the results of the games on the table shown. Game Results: Number of Games TIES 4 WINS 12 Losses 4 If Keith plays 10 more games, how many of the 10 games is he likely to win? A. 6 games B. 8
asked by chris 
Physics
Pressure = weight density × depth Calculate the water pressure at the bottom of the 50mhigh water tower shown in the photo. Express your answer to two significant figures and include the appropriate units
asked by James 
finance
Polycorp has a current dividend of $5.00 due tomorrow and is expected to pay a dividend $5.50 at the end of the first year. Its dividend is expected to grow at 8% pa for the following year. Dividends are then expected to grow at 4% pa for another two
asked by Anonymous 
geometry
Mr. Franco is making a triangular cement slab and needs to set boards before he can pour the cement. He has already set two boards that are 5 feet and 8 feet in length. What is a reasonable range for the length of the third board that Mr. Franco could set
asked by stephany 
physics
A 6.26g bullet is moving horizontally with a velocity of +344 m/s, where the sign + indicates that it is moving to the right (see part a of the drawing). The bullet is approaching two blocks resting on a horizontal frictionless surface. Air resistance is
asked by Anonymous 
science
the distance a car travels between the time the driver decides to stop the car and the time the driver puts on his brake is called the reaction distance how does the reaction distance change with speed
asked by cassie 
analytical chemistry
What volume (in liters) of 0.96 M KOH solution should be added to a 0.130 L solution containing 10.2 g of glutamic acid hydrochloride (Glu, FW=183.59; pKa1=2.23, pKa2 =4.42, pKa3=9.95) to get to pH 9.90?
asked by joi 
physics
which of the following would be the best example of non damped simple harmonic motion? A. mass oscillating vertically on a spring B. sound waves propagating through water C. light waves propagating through a vacuum D. guitar strings vibrating
asked by Janette isa hoe 
psych
Men growing beards because women consider men with beards as good mates is an example of A. intersexual competition. B. intrasexual competition. C. macrosexual competition. D. microsexual competition.
asked by FORREST 
science
3 moles of pesticide of molecular mass 200 g/mole is applied to a closed system consisting of 20 m3 of water, 10 m3 of air, 1 m3 of sediment, and 0.001 m3 of fish. Determine the concentration and amount in both grams and mole units in air, water, sediment
asked by gift 
Geometry
I need help in this problem: A 14foot ladder is leaning against a house so that its top touches the top of the wall. the bottom of the ladder is 8 feet away from the wall. which of these can be used to find the height of the wall? A. in a right triangle
asked by Alex 
Calculus
A weight oscillates in a vertical motion according to the position function y(t)=5 cos(t). Assuming t≥0, when will the acceleration if the weight be zero for the first time?
asked by Anonymous 
sew
Mrs. Shotto was once one of your regular customers, but she hasn't asked to have any garments made in approximately one year. You note she has lost weight. She would like you to make her a special silk blouse to replace a favorite blouse that has worn out.
asked by Mio 
Business and Economics
The weights (in grams) of the contents of several small bottles are 8, 4, 3, 6, 7, 1 and 5. What is the sample variance? 5.81 4.33 5.67 2.22
asked by Anonymous 
CALCULUS problem
There are four parts to this one question, and would really appreciate if you could show and explain how you get to the answer, because I tried looking up how to find the answer myself, but nothing made sense. Thank you! 11. The region R is bounded by the
asked by Samantha 
Economics and Statistics
A stockbroker placed the following order for a customer: • 50 shares of Kaiser Aluminum preferred at $100 a share • 100 shares of GTE preferred at $27.20 a share • 20 shares of Boston Edison preferred at $12.20 a share What is the weighted arithmetic
asked by Anonymous 
math
(Weighing produce). A supermarket has three employees who package and weigh produce. Employee A records the correct weight 98% of the time. Employees B and C record the correct weight 97% and 95% of the time, respectively. Employees A, B, and C handle 40%,
asked by Anonymous 
CHEMISTRY
HOW MANYMOLES OF SULFUR DIOXIDE CAN BE PRODUCED FROM 20.0G OF HYDROGEN SULFIDE?
asked by JEFF 
Physics Help
It starts saying that impulse is related to velocity in a certain way. What is that relationship? I just said impulse = force x time and momentum = mass x velocity So would that be a correct answer to what they're wanting? Also, it says there is a
asked by Eiban 
Chemistry
10.00 mL of an unknown base solution is titrated with .100 M HCl solution. The pH versus the volume of NaOH added is shown below. There is a graoh where there are two dotted lines signifying a pH: the highest at pH 6.31 and the lower at pH 3.92. What is
asked by Dezzi 
Algebra
Simplify the rational expression (x^2+xy2y^2)/(x^2+3xy+2y^2)
asked by Anonymous 
FINANCE
Gamma Ltd is not expecting to pay dividends for three years, at the end of year four, a dividend of $2.45 is planned and dividends are expected to be constant forever after that. The required rate of return for Gamma Ltd equity is j4 = 12.25% pa. What is
asked by Anonymous 
chemistry
Upon decomposition, one sample of magnesium fluoride produced 1.65 kg{\rm kg} of magnesium and 2.58 kg{\rm kg} of fluorine. A second sample produced 1.50 kg{\rm kg} of magnesium. How much fluorine (in grams) did the second sample produce?
asked by skittles 
geometry
 (3,2)\  / \  /(s,1) \/  /\ /  \   In the accompanying figure, the slope of line k is t and the slpe of line m is negative t. What is the value of s? (the lines are perpendicular) (sorry for the ascii graph ^_^)
asked by math help 
eviromental science
Using two or three welldeveloped paragraphs, explain how temperature and precipitation determine which plants grow within an area and give an example.
asked by dallas 
Mathematics
Give the first three terms of the sequence of 1.Tn+1=Tn+n
asked by Anonymous 
FINANCE
Gamma Ltd is not expecting to pay dividends for three years, at the end of year four, a dividend of $2.45 is planned and dividends are expected to be constant forever after that. The required rate of return for Gamma Ltd equity is j4 = 12.25% pa. What is
asked by Anonymous 
FINANCE
Polycorp Treasury a company in the land of Zanadu is holding a parcel of Zanadu Government Bonds with a face value of $2,000,000. The bonds were issued seven years and nine months ago and still have two years and three months to maturity. They pay a coupon
asked by Anonymous 
FINANCE
A perpetuity with the first annual cash flow paid at the beginning of year 4 is equivalent to receiving $103,000 in 15 years’ time. Assume that the perpetuity and the lump sum are of equivalent risk and that j12 = 14.32% pa is the appropriate interest
asked by Anonymous 
Math
If an orange is twice as many as a pear. How many pears are there?
asked by Anonymous 
physics
A passenger weighing 800 N is inside an elevator weighing 25000 N that rises 30 m in exactly 1 min. How much power is needed for the elevator's trip?
asked by zach 
algebra
What is the volume of a cylinder? diameter:2cm hieght:9cm
asked by Brianna 
Physics
When you suddenly stand up after lying down for a while, your body may not compensate quickly enough for the pressure changes and you might feel dizzy for a moment. (a) If the gauge pressure of the blood at your heart is 15.02 kPa and your body doesn't
asked by Please Help!!! 
FINANCE
Now that they have accumulated a deposit of 55,000 Jack and Jill take out a housing loan to purchase a home. The house costs $755,000. It is to be repaid in equal monthly instalments over a term of 30 years. The interest rate quoted by the bank is an
asked by Anonymous 
who dare to give the answer!
i have passed class 9 with 10 CGPA.in DAV public school,and it is affiliated to CBSE.but,now i want to change my school.and take admission in class 10 in a different school,and it is also affiliated to CBSE board,under the same zone.is it possible for
asked by hurry its a question of my career. 
Algebra 2
Simplify the rational expression (x^2+xy2y^2)/(x^2+3xy+2y^2)
asked by Anonymous 
Social Studies
Hai I was wondering if you could check my answer? It doesn't really talk about this in my text book, and it doesn't really help if I look it up online. Q: Founded by the Mormons, which city was originally called Deseret? A. San Diego B. Provo C. Santa Fe
asked by SebbyChan 
physics
calculate the magnitude of the electrical force between object a with a chaarge of 15mc and object b with a charge of 3mcc. they are located 0.4m apart.
asked by yolie 
Physics
Object A has a mass of 443 kg. Object B has a mass of 356 kg. If they are separated by 3.4 m, what is the magnitude of the gravitational force between them?
asked by Anonymous 
Math
If x+15 and 2x+27 represent the number of degrees in measures of two consecutive angles of a parallelogram, find the value of x.
asked by math help 
History
What federal document did Susan B Anthony quote in the beginning of her speech in I believe 1872? I know she was trying to equal rights between women, and I think it would make sense for it to be the preamble to the Federal Constitution. Opinions?
asked by imissbobby♥ 
math
can you produce a 2digit whole number by multiplying twodigit whole numbers?
asked by cee 
english
A French girl found them
asked by kk 
Geometry
Given the lengths of the sides of a triangle, identify the triangle as acute, right, or obtuse. 37,12,34 5,12,13 20,21,28
asked by Heather 
physics
A weight oscillates in a vertical motion according to the position function y(t)=5cos t. Assuming t>=0 (greater than or equal to), when will the acceleration of the weight be zero for the first time?
asked by rachel 
algebra 1
your local rollerblade rink will rent you blades for $14.00 for 3 hours or $29.00 for 8 hours. Asume the price increase is constant depending on the number of hours the blades are rented.
asked by allen colbert 
math
450 divide 14?
asked by Paul 
Math
Fay is making 13 bows to sell. She has 36 feet of ribbon. If each bow requires 2 1/4 feet of ribbon, how much ribbon will not b used
asked by Anonymous 
geometry
The perimeters of 2 similar polygons are 12 and 16. 1. What is the ratio of the lengths of 2 corresponding sides? 2. What is the ratio of the areas? 3. If the area of the smaller polygon is 54 what is the area of the larger polygon?
asked by Lue 
Heat Transfer
A 1 m square verticalplate is heated to 300 deg C and placed in room air at 25 Deg C. calculate the heat loss from the one side of the plate
asked by RHS 
math help!!
factor: (x^2+5x)^2  36 and (ab)^2  (cd)^2 show the steps pleasee!
asked by sunny 
math
a right triangle has a hypotenuse that is 59 miles long. One side is 1.05 longer than the other. What are the lengths of the two legs
asked by Judy 
Persuasive Writing help
I'm writing a persuasive request but English is not my native language. I've done many drafting and revising, but still not sure. so I would be grateful if you could show me what I did wrong and the correct way to revise it. Thanks "Dear xxx, I would like
asked by yengiang 
Math
You have cards numbered 110 and a number cube what are the odds of getting two prime numbers? The book says 1\5 but how do they get it.
asked by Amy 
Math
There are 120 students trying out for the play. Only 5% of those trying out will have a speaking part. Write this percent as a fraction in its lowest terms.
asked by Crissy 
Math
Rewrite the equation y  37x = 82 as a function of x. I got f(x)= 37x +82 is that right?
asked by Lisa 
MATH HELP
................. .........(3,2)\..../ ...............\../(s,1) ................\/  ................/\ .............../..\ ................. ................. In the accompanying figure, the slope of line k is t
asked by math help 
Introduction to Criminal Courts
Analyze and explain the importance of a college degree for someone seeking to join the police or police training. Analyze and explain how higher education plays a pivotal role in advancement and promotions in the police department. Analyze whether higher
asked by slomomo 
programming
a program displays the name of fruits that are sorted from the arrays(program that sort five names)
asked by DEUS 
Math
Try to make 24 using ,+,•,/ 1,5,4,3 & 3,12,4,1 & 10,9,7,2
asked by Anonymous 
English
I can stand that much to help the environment.  What is the part of speech of 'that much' in the sentence? English  Writeacher, Tuesday, March 25, 2014 at 7:53am The sentence doesn't make sense. What does "can stand" mean here?
asked by rfvv 
FINANCE
A ninety day bank bill with 90 days to maturity has a price of $99427.95. What is the effective annual yield implied by this price and maturity? Be careful I am not asking for the annual nominal yield, which by convention is normally quoted in financial
asked by Anonymous 
FINANCE
Many creditors of your firm offer early payment discounts. The accounts payable supervisor does not believe in paying early “as the bank overdraft rate of j12 = 8% pa is more than the average 2% offered for payment within 10 days from date of invoice”.
asked by Anonymous 
Math please check my answer?
This is my last question. What is the domain of the function below? f(x)= e^(x4)2 I got all real numbers is that correct?
asked by Lisa 
English
After watching a documentary about the environment on TV, I decided to start my own project,"Project Green Kid." Today was my first day as a Green Kid......  Do we have to use "a Green Kid"? What about "a green kid"? Why
asked by rfvv 
algebra
6 (31n+5)
asked by shemiah 
Chemistry
How many grams of C would be necessary to produce 790. grams of CaCO3 by the sequence of reactions shown below? Step 1: CaO + 3C → CaC2 + CO Step 2: CaC2 + N2 → CaCN2 + C Step 3: CaCN2 + 3H2O → CaCO3 + 2NH3
asked by Megan 
social study
what are the ways of solving enviromental problems in your communities?
asked by bala 
Geometry
If I have 64 ft what are all the dimension of the rectangular patios I can make using all 6 ft?
asked by AbdAllah 
Chemistry
The main radioisotope in a banana is potassium40, a beta emitter with an activity of 242 Bq/g. An average medium banana has about 320 mg of potassium and the natural abundance of potassium40 is .0117%. Calculate the value of the BED in a.) Gy b.) Sv
asked by Anonymous 
chemistry
write a reaction that show solid copper (II) nitrate dissociating.
asked by P 
math
I have a flat piece of plywood that measures 45 inches in width and 75 inches in length. I want to cut the board into identical square pieces with the integer side lengths and use the entire piece of wood. What are the dimensions (width & length) of each
asked by He who should not be named 
Calculus
If y=cos x, what is y^(6) (x)?
asked by Anonymous 
math help
factor: (ab)^2  (cd)^2
asked by sunny 
health
The one area you can't control to reduce your chances of stroke, heart disease, or diabetes is
asked by Anonymous 
Math
Can 26x^2 be written as x*sqrt26?
asked by Anonymous 
Math
What is the domain of the function f(x)= 3^(x+3)+4? I got (infinity, infinity) is that correct?
asked by Lisa 
Composition
How does taking observations obstruct or halt the writing process
asked by Carolyn 
Business Statistics
What is the median of 29, 49, 27, 64, 79, 59, 29 and 41? 29.0 45.0 59.5 49.0
asked by Student 
English
1. In the evening, Sonya's father cooks dinner. 2. In the evenings, Sonya's father cooks dinner. 3. Evenings, Sonya's father cooks dinner. 4. Every evening, Sonya's father cooks dinner. (What is the difference of the four sentences in meaning?)
asked by rfvv 
history
Good morning can you give me some facts about the effects of the world war 1 on New Jersey please help me
asked by Anonymous 
English
Do I use an apostrophe after the A or not? "He got 5 As on the final exam." I've heard that capital letters are made plural only by adding an s, but my textbook gives this exampleHow many A's did you write on the paper?
asked by Anonymous 
English
Did I classify this sentence correctly? The (A) birds (SN)/ in (P) the (A) tree (OP) sang (V) happily (adv) during (P) the (A) day (OP).
asked by Aveary 
Equation help
X^26x+7=0 1.1.59,4.41 2.1.59,4.41 3.1.59,4.41 4.1.59,4.41 Can someone help?
asked by Alex 
English
1. In the evening, Sonya will meet one of her friends. 2. In the evenings, Sonya will meet one of her friends.  Thank you for your help. What is the difference between them. Does #1 mean "She will meet her friend this evening
asked by rfvv 
Count Of Monte Cristo
How does the Count of Monte Cristo set up Mondego & Villefort? How does he frame Villefort and what happens to Villefort?
asked by Anonymous 
Math
In triangle ABC, m
asked by Sierra 
math help ASAP!!
factor: 2m^3  7m^2n  15mn^2
asked by sunny 
health
Cosmetic surgery is more likely to lead to disappointment if a person is ________. A. Seeking surgery with the hope of influencing a change in oneself B. Seeking surgery with the hope of influencing a change in someone else C. Seeking surgery with the hope
asked by Adam 
math help!!
Factor: 2(2x^2x)^23(2x^2x)9
asked by sunny 
Math
Reggie is a long distance runner. His daily 21/2 hour practice is divided evenly into three areas: warmups, running, and cool down. How many minutes total does Reggie spend warming up and cooling down each day at practice?
asked by Crissy 
Math
What is the domain of the function f(x)=2^(x+3)1? I got (infinity, infinity) is that correct?
asked by Lisa 
Math
What is the domain of the function f(x)= x+6? I got infinity < x < infinity
asked by Lisa 
math
There are 2 leaves along 3 in.of an ivy vine. There are 14 leaves along 15 in. of the same vine. How many leaves are there along 6 in. of the vine?
asked by jose 
Math 117
Why is it important to find nonperfect roots in radical form to simplify the process of performing basic operations with radical expression?
asked by stephanie 
maths
at present, a firm is manufacturing2000 items.it is estimated that the rate of change of productionp w.r.t. additional number of workers x is given by dp/dx =10012x.if the firm employs 25 more workers ,then the new level of production of items is
asked by nirav 
math
What is the rule if 8 is the input and 23 is the output
asked by manuel martin 
math
how do you factor: (a  b)^2  c^2
asked by sunny 
5th grade math
Samara keeps her collection of hair bows in a box. She has 20 white bows, 20 red bows, 15 yellow bows, 25 green bows, and 20 pink bows. If she pulls out 1 bow at random, what is the probability the bow will be yellow? Can someone show me how to work this
asked by stephon 
math
What percent of 25 is 23?
asked by anonymous 
math
What percent of 600 is 84?
asked by Anonymous 
math
factor: 20x^2 + 5y^2
asked by sunny 
Math
Write the multiples of 7 through 70:
asked by Paul 
math
What is 4% of 350??
asked by alexis greyson