Questions Asked on
January 29, 2011

Math
A drugstore sells a drug costing $85 for $112 and drug costing $175 for $238. A, If the markup policy of the drugstore is assumed to be linear, write an equation that expresses retail price R in terms of cost C (wholesale price). B, what does a store pay
asked by daylo3 
algebra
name the property that justifies (2.6) +7 = 7+(2.6)
asked by sharon 
CHEM EASY
Which indicator is best suited to determine the equivalence point of a titration of diethlyamine with HBr? pKb of diethylamine=3.16 A) phenolpthalein pKHIN ~9 B) bromo blue pKHIN ~4 C) alizarin yellow pKHIN~11 D) methyl violet pKHIN~ 1 E) phenol red pKHIN
asked by Sara 
Physics
How much energy in kilocalories is expended against gravity alone by a 75 kg man climbing 1500 m up a mountain?
asked by Anonymous 
chem
Determine the electron and molecular geometries of each of the following molecules. For those with more than one central atom, indicate the geometry about each central atom. (Enter your answers in the order given in the skeletal structure from left to
asked by hannah 
stats
A company that manufactures and bottles apple juice has a machine that automatically fills 16ounce bottles. There is some variation, however, in the exact amount of juice dispensed into each bottle. From a large number of observations taken over a long
asked by a 
social studies
I answered the question In what direction did the Qin dynasty expand the most? I said to the South then I was asked how do I think the East China Sea affected the Qin dynasty's expansion? My answer is The Sea would allow the ability to trade with more
asked by Reed 
physics2
A charge of 6.5 microCoulombs is placed at the origin of a coordinate system. Another charge of 7.6 microCoulombs is placed at x = +0.29 m, y = +0.17 m. A third charge of +14 microCoulombs is placed at x = 0.29 m, y = 0 m. What is the magnitude of
asked by kelly 
Physics Check
How much does it cost to operate a 1.0W electric clock for a year if electricity cost $0.05/k Wh? I think the answer is =$0.44 a year with the calculations of 1.01*24hrs*365=8,760Whr/1000kw = 8.76kWh 8.76 kWh * 0.05 = 0.44 a year. Is this correct?
asked by Anonymous 
Physics
Using energy considerations and neglecting air resistance, calculate how far a rock will rise above its point of release if it is tossed straight up with an initial speed of 10m/sec. Using energy considerations and neglecting air resistance, calculate how
asked by Anonymous 
Accouting
Bob night opened "The general's favorite Fishing Hole" The fishing camp is open from April through September and attracts many famous college basketball coaches during the offseason. Guests typically register for one week, arriving on Sunday afternoon and
asked by Aloma 
Science
How many liters of carbon monoxide at STP are in 3.85 x 10^24 molecules of carbon monoxide?
asked by Amanda 
physics2
Charges are placed on an equilateral triangle (all angles are equal and equal to 60 degrees). The length of each side of the triangle is 5.7 meters. A charge of +7.1 microCoulombs is placed at the bottom corner of the triangle and another charge of +7.1
asked by kelly 
Chemistry  Blue Printing Experiment
Which of the two reactions in Blue Printing is an oxidationreduction reaction? What is the oxidizing agent and the reducing agent? Fe^3+ + C204^2 (oxalate) > Fe^2+ + CO3 Fe^2+ + Fe (CN)6^2 > Fe3[Fe(CN)6]2 Can the second reaction occur in the absence
asked by Bam 
math
Aerosol cans carry clear warnings against incineration because of the high pressures that can develop upon heating. Suppose a can contains a residual amount of gas at a pressure of 755 mm Hg and a temperature of 25 °C. What would the pressure be if the
asked by Anonymous 
physics
The spring of the pressure gauge has a force constant of 1,000 N/m,and the piston has a diameter of 2.00 cm.when the gauge is lowered into water,at what depth does the piston move in by 0.500 cm?
asked by Bamidele 
NOUNS, PRONOUNS, AND ADJECTIVES
We left King ranch on a december day in 1873. On the Santa Fe trail, we hit bad weather. The Red river was flooded and it took us four days to get the Cattle across. All in all, it was a hard trail drive, but we got our Longhorns to the railroad at
asked by Anonymous 
college Chemistry
Popcorn kernals pop independently (i.e. unimolecularly). For one brand at constant temperature, 11 kernals pop in 10 seconds when 240 kernals are present. After 145 kernals have popped, how many kernals will pop in 10 seconds?(Your answer may include
asked by jade 
physics
A uniformly charged conducting sphere of 1.2 m diameter has a surface charge density of 7.1 µC/m2. (a) Find the net charge in coulombs on the sphere. (b) What is the total electric flux leaving the surface of the sphere?
asked by Ty 
Personal Finance
NEED HELP IMMEDIATELY, HAVE UNTIL 10P.M. CENTRAL TO HAVE ANSWERS?? 1.Determining the Future Value of Education. Jenny Franklin estimates that as a result of completing her master’s degree, she will earn $6,000 a year more for the next 40 years. a.What
asked by Marie 
geometry
maddie throws a baseball fom third base to first base. The four go foot lines between the bases from a square which number is the best estimate of how far maddie throws the baseball
asked by Sally 
physical science 2
the force required to maintain an object at a constant velocity in free space is equal to: b: the mass of the object. c: the force required to stop it. d zero
asked by ellen 
math
A car drives down a road in such a way that its velocity ( in m/s) at time t (seconds) is v(t)=2t^1/2 +2 . Find the car's average velocity (in m/s) between t=4 and t=9. i really need help with thisss
asked by yoo 
physics2
A Gaussian surface encloses two charges. The total electric flux through the Gaussian surface is 8.3 x 106 N m2/C. If one of the charges is 14.9 microCoulombs and the magnitude of the electric force between them is 2.76 Newtons, what is the distance
asked by kelly 
Chemistry (w.e or DrBob222)
Calcium Carbonate and aluminum silicate are mixed together and heated. A mixture of calcium oxide, carbon dioxide, aluminum oxide and calcium silicate is produced. Write the balanced equation for this reaction. My Work: 4CaCO3(s) + Al2(SiO3)3(s) → CaO(s)
asked by Jim 
mcckc.edu
A 0.10MNaCl solution is blank (iso/hypo/hypertonic) to a 0.10M glucose solution
asked by paulina 
physics
A 65.0Ù resistor is connected in parallel with a 117.0Ù resistor. This parallel group is connected in series with a 22.0Ù resistor. The total combination is connected across a 15.0V battery Find the current in the 117.0Ù resistor. Find the power
asked by Anonymous 
Algebra
What is 194 times 10 to the third power in scientific notation
asked by Anonymous 
computer programming
small startup software developer company needs to create a program that will calculate the pay of its employees. For the third version of the program, the company wants the program to accept an employee’s name, the number of hours the employee worked,
asked by jesse 
History
I need four topics to compare and contrast Machiavelli's The Prince and Castiglione's The Courtier. Thanks.
asked by Alyssa 
geometry
the perimeter of a square garden is to be at least 30 feet but not more than 64 feet.find all the possible values for the length of its sides.
asked by pink 
accounting
Write a 700 to 1,050word paper, using APA guidelines, based on the scenario below. You want to start your own business. You found an investment group that is willing to give you the capital needed for the first year of your business, but only if you can
asked by lacy 
math
If a bicycle wheel has a diameter of 63 centimeter. During A journey the wheel make a 510 revolution .how many meter does the bicycle travel
asked by peta 
Physics
What is the efficiency of an athlete who consumes 3000kcal of food and does 2.5 x 10*6 J of useful work?
asked by Anonymous 
Calculus
A particle moves at varying velocity along a line and s=f(t) represents the particle's distance from a point as a function of time, t. Sketch a possible graph for f if the average velocity of the particle between t=2 and t=6 is the same as the
asked by Brittany 
Science
If a radioactive isotope has half life of 5 days,how long will it take for its radioactive strength to be a maximum of one thousandth,(1/1000) of its original value? Can anyone give me a VERY SIMPLE explanation of this please? Thank you.
asked by Korina 
Calc
Suppose that a function f(125)=52 and f'(125)=4. Estimate f(123.5)
asked by Matt 
BUSINESS LAW
At issue in the twentyfirst century is the tradeoff between the necessity of writers, musicians, artists, and movie studios to profit from their work and the free flow of ideas for the public benefit. Movie (and music) industry participants claim that
asked by Marie 
math
Translate the following English sentence into a symbolic sentence with quantifiers: Between any integer and any larger integer, there is a real number. (universe is real numbers)
asked by Meg 
Spanish
33. Me gustaría comer un sandwich _______ jamón y queso. a. porque b. de c. en d. por Not sure.. 34. Voy a la fiesta solo pero _______ ir con Francisca. a. me gusta b. voy c. soy d. prefiero D? Thanks MC
asked by mysterychicken 
math
Minimize c = x + y subject to x + 5y ≥ 6 5x + y ≥ 6 x ≥ 0, y ≥ 0.
asked by LIZ 
Chemistry
Calcium Carbonate and aluminum silicate are mixed together and heated. A mixture of calcium oxide, carbon dioxide, aluminum oxide and calcium silicate is produced. Write the balanced equation for this reaction. My Work:
asked by Jim 
physical science 2
It takes 6 seconds for a stone dropped from rest to the bottom of a well,what is its final speed A; 6 meters/second B: 30 meters/seconds C: 36 meters/seconds D: 60 METERS/SECONDS A is incrrect
asked by ellen 
Calculus
Are the functions continuous at the point being approached? lim y>1 sec ( y sec^2y  tan^2y 1 )
asked by Kelly C 
physical science
a car traveling in a lage circlepasses by a motorcycle that is trveling in a straight line north to south.both of their speedometers read 10m/s.which statement is true; a: the car and motorcycle have the same speed ,but different velocities,b:the car and
asked by ellen 
pop culture and the arts
I need to give two examples that illustrate the relationship between art and American culture.
asked by ann 
Chemistry
Calcium Carbonate and aluminum silicate are mixed together and heated. A mixture of calcium oxide, carbon dioxide, aluminum oxide and calcium silicate is produced. Write the balanced equation for this reaction. My Work:
asked by Jim 
Math
Paul males 33 of 40 free throws. He wantes to use this ratio to predict n, the number of free throws he will make out of 198 attempts. Write a proportion he should use.
asked by Please help 
Applied Business Math/Colleg student
Solve the problem and reduce to lowest terms? 2/3+1/6+11/12=
asked by Nicole 
physics
Point A is at a potential of +240 V, and point B is at a potential of 160 V. An αparticle is a helium nucleus that contains two protons and two neutrons; the neutrons are electrically neutral. An αparticle starts from rest at A and accelerates toward
asked by Anonymous 
physical science 2
A block is dragged at constant velocity in a straight line path across a level surface by force of 6 N. What is the friction between the black and the surface? a: 6 N B: less than 6 N C: More than 6N d: ZERO
asked by ellen 
Math
If possible, could a math tutor check the math post question that "daylo3" asked at 6:42 pm today, that I answered? I don't usually answer posts that I am not 100% sure of the answer. I would like to know if the way I approached this problem is correct?
asked by helper 
health
Which group of words describes a condition that results from aging? A. Presbyopia C. Muscle tone B. Articulation D. Astigmatism
asked by georgeanna 
physics2
A uniform electric field of 2.1 x 106 N/C is directed in the positive x direction. A charge of 4.3 microCoulombs with a mass of 7.5 kg is initially moving at 18 m/s in the positive x direction before it enters the field. How many seconds does it take
asked by kelly 
Calculus
For f(x)=lnx, construct tables, rounded to four decimals, near x=1, x=2, x=5, and x=10. Use tables to estimate f'(1), f'(2), f'(5) and f'(10). Then guess a general formula for f'(x).
asked by Josie 
math
2.The longest oneword name of any place in America is Chargoggagoggmanchauggagoggchubunagungamaugg.This name for a lake near webster, Massachusetts, is 45 letters long. It is a Native American name that means "You fish on you side, I'll fish on mine, and
asked by Luis 
Public Finance
A corporation has $7 mil. in equity. During the tax year it takes in $4 million in receipts and earns $ 2 million in capital gains from sale of subsidiary. It incurs labor costs of $1 million, interest costs of $250,000, material costs of $500,000, and
asked by Mel 
HEALTH CARE COMMUNICATION STRATEGIES
Traditionally healthcare organizations have been based on the bureaucratic model. In what ways has the bureaucratic model enhanced healthcare communication? In what ways has it been a detriment? Would you recommend a different model to improve
asked by Amanda 
cdgf
what is a word whit the letters b,o,n,s,p,e,q
asked by uyitf6 
Advanced Functions Math
Given the equation y=2^x, predict the equation for the graph that has been reflected in the yaxis. Given a vertical stretch by a factor of 5, translated 2 units right and 5 units down
asked by Sarah 
health physics
Assuming that at the beginning of time (big bang; creation of the universe) there were equal numbers of U235 and U238 atoms produced, estimate the age of the Earth (using terrestrial U235 and U238 abundances).
asked by terry 
accounting
Write a word problem involving a discounted price. Describe the situation and pose the question, but DO NOT SOLVE the problem.
asked by catrina 
Physics
I made a pan flute with copper tubing (3/4 in diameter) to correspond to the following notes/lengths: C  15.4cm D  13.6cm E  12.0cm G  9.8cm A  8.7cm The original instructions called for PVC pipe at 1/2in diameter, so the notes are off. How do I
asked by Anonymous 
us history
WAS THE BEER AND WINE REVENUE ACT A REFORM,RECOVERY,OR RELIEF
asked by KEONTA 
Philosophy
Create an 11 to 14slide PowerPoint® presentation answering one of the topics found in Appendix A, as well as 3 to 4 principle issues related to your chosen topic. My topic is Should there be a set of uniform morals standard? Thank you
asked by lacy 
math
need help I need to have my answer in cups: 2cups N ______ ______ 7 people 46 people I did the top part right 2x46/7=13.1428 but i need to turn it into cups...13 and ___ cups.. don't know how to change the end number to cups...
asked by wendy 
physics
A ball is fired with an inital velocity of 500 m/s at an angle of 30 degrees above horizontal across a level field. Calculate the maximum height, the time of flight, and the range of the ball. Okay, so I know that this is a projectile problem but I am kind
asked by Anonymous 
renewable energy
If a solar cell with 2 m^2 surface area is placed in a direct light having 780 W/m power density provides an output power of 346 W, what is the efficiency in percent? (0 to 100 %, no decimals). Provide your answer in base units (no scientific notation or
asked by christian 
physics2
A charge of +q is placed at y = 0 m. Another charge of +2q (twice the other charge) is placed at y = +6.52 meters. Where on the y axis is the total electric field zero?
asked by kelly 
Math
COMPUTER PRODUCTION MVE Enterprises can manufacture four different computer models; the Student, Plus, Net, and Pro models. The following gives the configurations of each model: STUDENT PLUS NET PRO Processor Celeron Celeron Celeron Pentium Hard Drive 20
asked by Linda 
Chemistry
Raising the temperature of a sample of water will typically(decrease/increase) the solubility of (all/some) dissolved gases. Is it decrease, some?
asked by Bill 
MATH: PreCal/Trig
The length of a rectangular flower garden is 6 more feet than its width. A walkway 3 feet wide surrounds the outside of the garden. The total area of the walkway itself is 288 square feet. Find the dimensions of the garden.
asked by Melody 
trig
find the distance from the orgin to each of the following points .If your answer is irrational,leave it in radical form. a.(3,7) b.(4,6) c.(0,5) d.(6,0) e.(2,4) f.(0,0) my answers : what do they mean by leave it radical form a.sqrt 58 b.Sqrt 52 = 2sqrt
asked by Cas 
Physical Science 2
Ten seconds after starting from rest,a freely falling object will have a speed of about______ rn/s A: 10 B: 50 C: 100 D: 120 I know that the answer A is not correct.
asked by ellen 
chemistry
how do you balance CuSO4* 5H2O
asked by dasia 
Chemistry
When 1.53 grams of silver metal are dropped in 500. mL of 2.0 M acetic acid, how many liters of gas are evolved at STP?
asked by Mary 
Physics
A stone is thrown directly upwards with an initial speed of 34.5 m/s . What is the maximum height the stone will reach?
asked by Demi 
Math
Find the missing #. 1,3,7 _ ,31. Thx
asked by Sam 
renwewable energy
How much energy is required to accelerate a 8000 kg car from 14 km/h to 95 km/h?
asked by christian 
physical science
A kg ball of lead rests next to a 10 kg rock. which statement below is true:a:the lead ball and rock have the same amount of inertia,b:if the lead ball and the rock fell from the same height in a vacuum, the rock would hit the ground first because it is
asked by ellen 
algebra II
factor completely: 8h^3125
asked by Andrew 
science
Calculate the uranium ratios in the natural uranium decay chain using radioactive decay relationships. Compare to the value obtained using published natural abundances.
asked by Anonymous 
geometry
What is the permineter and area of a rectangle that has a length of 8 feet and width of 3 feet.
asked by Mary 
government
what is constitutionalism, its history, and why we learn about it today
asked by kay 
English Comp.
I need help writing a sentence outline for my paper. My thesis statement is: "There is a noticeable imbalance in racial diversity in the pharmacy field, prompting needed reforms in Schools of Pharmacy training programs of cultural competence". I also would
asked by Meredith 
Math
Hot numbers in a lottery are numbers that keep coming up. Cold numbers are numbers that have not "hit" in awhile.Some people select hot numbers or cold numbers when buying a ticket. Using probability,explain whether this makes sense. Please answer this
asked by Melea 
comp
How do I write two sentences about family financial goals using the past progressive and future progressive tenses?
asked by jade 
Chemistry
How to know overall charge of molecule? see question # 12 here, why is it 1? how do you know? itech.pjc.edu/tgrow/2210/chm2210ps4sol.pdf
asked by ben 
English Comp.
Is this a decent thesis statement or is it too long? The imbalance in racial diversity in the field of pharmacy brings a need for more indepth cultural competency training programs in colleges of pharmacy so they can better understand, relate, and provide
asked by Meredith 
Math
Solve for x: 8^(6x3)=(1/16)^(5x9)
asked by Michael 
ALGEBRA
I NEED DATA TO MAKE GRAPHS, BUT NOT TO MUCH INFO
asked by LYNNE 
Chemistry
Help! I need to do this review question and don't know where to start ! The label on a bottle of vinegar claims that the bottle conatins 5% (m/v) of acetic acid. In order to test this claim, a 50ml sample is titrated with sodium hydroxide. 166ml of 0.25
asked by Sarah 
Chemistry
When 7.76 grams of magnesium bicarbonate are mixed with 300. mL of 0.10 M hydrocyanic acid, how many liters of gas are evolved at STP?
asked by Mary 
Science
Why is blood pressure expressed with 2 numbers?
asked by MARIANNE 
science
balance the chemical equation __MgO + Cl > __MgCl + __O 2 2 2
asked by Roy S 
Math
How do I solve the following equation 47^2x=1
asked by Noah 
Sci 162
I would like to know what Gayle should do about telling Patrick that she is HIv positive.
asked by Patricia Brickhouse 
Chemistry
When 2.05 grams of aluminum metal are dropped in 650. mL of 6.0 M hydrochloric acid, how many liters of gas are evolved at 20°C, 1.07 atm?
asked by Mary 
Chemistry
When 1.53 grams of silver metal are dropped in 500. mL of 2.0 M acetic acid, how many liters of gas are evolved at STP?
asked by Mary 
Chemisrty
When 7.76 grams of magnesium bicarbonate are mixed with 300. mL of 0.10 M hydrocyanic acid, how many liters of gas are evolved at STP?
asked by Mary 
Calc
suppose that f(x) is a function of f(125)=52 and f'(125)=4. estimate f(123.5)
asked by Matt 
acct
Business is going well for Email Designers. The board of directors of this familyowned company believes that Email Designers could earn an additional $1,000,000 income before interest and taxes by expanding into new markets. However, the $4,000,000 the
asked by Micheal 
english
what would the tragic vision of the play othello be?
asked by Anonymous 
english
would be this be a viable thesis for the play othello? The suffering that Othello (the tragic figure) brings to other charcters, contributes to the tragic vision that jealousy has the power to destroy even love. Any suggestions on how to improve it?
asked by Anonymous 
language arts
Selection of hiking shoes should be your first concern. Even a oneday hike can be misery without comfortable shoes. The most effective combination of sentences 3 and 4 would include which of the following groups of words?
asked by levar 
mathprecalc
In the shot put, the shot must land within a 40 degree sector. Consider a coordinate system where the vertex of the sector is at the origen, one side lies along the positive xaxis, and the units are meters. If a throw lands at the point with coordinates
asked by Haley 
Public Finance
Suppose the corporate income tax were eliminated and corporate income allocated to shareholders on a pro rata basis according to their proportion of outstanding stock. How would such a change in tax policy affect the excess burden and incidence of the tax,
asked by Mel 
mat/116
can someone help in finding the ordered pair for this equation. 7x9y=63 9y7x=63
asked by robbie 
mat/116
can someone help me in determining wether these numbers are a solutions of this inequality. y11>2y2 3,16,17,1
asked by robbie 
math
Find the volume of the solid obtained by rotating the region bounded by the given curves about the specified axis. x=2y^2 , y=1 ,x=0 about the yaxis
asked by yoo 
mat/116
Thanks you guys for the past help, but I am stuck on this line graphing. So can someone help in solving and graphing this compound inequality. 9x+1>= 53 or 4x+3>= 9 what would the solution {xlx>...}be.
asked by robbie 
US HISTORY HELP!
What was the first hemisphere “discovered” by the Europeans? What were the impacts of this discovery?
asked by darryen 
science
If you Weighed 360 pounds on Earth with your space suit on, what would you weigh on the moon? Why?
asked by tyson lawson 
science
name 3 properties that can be used to classify unknown substances
asked by Roy S 
Chemistry
Need help balancing this equation, just the coeffecients, do not need to balance the charges. The numbers are subscripts: Ca0.41Mg0.36Mn0.50Fe1.76Al2Si3O12 + H + H20 Al(OH)3 + FeOOH + MnO2 + Ca + Mg + Si(OH)4
asked by Robert 
renewable energy
How much total kinetic energy is available in a diesel locomotive weighing 11000 kg travelling at 2.0 km/h?
asked by christian 
renewable energy
If you (64) are standing on a 72 m hill, what is you potential energy? (gravity = 9.81 m/s)
asked by christian 
Algebra
how do I check my answer to a problem. The problem is: x/5  1/2 = 3 I know the answer is 35/2 but how do you check it. 35/2 /5  1/2 = 3?
asked by Donna 
Social Studies
How do we describe the 1917 Russian Revolution and how it affected the church.
asked by John 
math
n + (n + 1) + (n + 2) =45
asked by Bob 
science
need a science project for 7th grade using toy train.
asked by mateo 
Social Studies
What were the 13 colonies rules before the U.S. Constitution was created?
asked by Sumaiya 
Chemistry
When 2.05 grams of aluminum metal are dropped in 650. mL of 6.0 M hydrochloric acid, how many liters of gas are evolved at 20°C, 1.07 atm?
asked by Mary 
maths
what could this question be 1,4,...,...,25,36,...
asked by dude 
medical coding
a 50 year old new female patient has had a sore throat and head congestion for five days. the physician performs an expanded problemfocused history and examination and straightfoward medical decision. What is the correct code for this service?
asked by Anonymous 
Chemistry  Blue Printing Experiment
What will happen to the blueprint if it was not thoroughly washed?
asked by Bam