Questions Asked on
November 8, 2009

Honors Chemistry
"How many grams of NH3 can be produced from the reaction of 28 g of N2 and 25 g of H2? N2 + 3H2 > 2NH3 ==> 28 g N2 x (1 mol N2/14.0 g N2) x (2 mol NH3/1 mol N2) x ( 17.0 g NH3/ 1 mol NH3) = 68 g NH3 25 g H2 x ( 1mol H2/2.0 g H2) x (2 mol NH3/3 mol H2) x
asked by Emily 
Math
Find the variance for the given data. Round your answer to one more decimal place than the original data. {8.5, 4.5, 8.8, 6.9, 5.3}
asked by Anonymous 
Physics
Piano tuners tune pianos by listening to the beats between the harmonics of two different strings. When properly tuned, the note A should have the frequency 440 Hz} and the note E should be at 659 Hz}. The tuner can determine this by listening to the beats
asked by AP 
Calc
A sample of a radioactive substance decayed to 93.5% of its original amount after a year. a) What is the halflife of the substance? ? years (b) How long would it take the sample to decay to 10% of its original amount? ? years
asked by Lee 
Language Arts
What follows a linking or action verb?
asked by Cherbrena 
Chemistry
Which pair of molecules has the strongest dipoledipole interactions? a CO2 and CO2 b CO2 and CH4 c NH3 and NH3 d NH3 and CH4 e CH4 and CH4 Would it be C?
asked by Casey 
advanced functions
Prove that: 2sinxsiny = cos(xy)  cos(x+y)
asked by  
chemistry
Which one of the following is NOT a Lewis acidbase reaction? 1. ) Ca + S > Ca2+ + S2 2. ) BeF2 + 2 F > BeF42 3. ) H+ + OH > HOH 4. ) NH3 + BF3 > H3NBF3 i thought it was 1...but im not sure...but i know that 3 & 4 are definatly right.
asked by Jacob 
Marketing (Help Check)
24.Which of the following is characteristic of the organizational buying process? A)Multiple parties participate in purchase decisions. B)Negotiation between buyers and sellers is commonplace. C)Online buying over the Internet is widespread. D)Buying
asked by Bryan 
Physics
A 1.5 kg block is connected by a rope across a 50cmdiameter, 2.0 kg, frictionless pulley. A constant 10 N tension is applied to the other end of the rope. Starting from rest, how long does it take the block to move 30 cm?
asked by Sandhu 
math
The Moon orbits Earth every 27.3 days. Determine the angular velocity of the Moon, in degrees per day and in radians per day. The radius of the orbit of the Moon is about 384 400 km. How far does the Moon move along an arc of it's orbit every?
asked by Anonymous 
Economics/Algebra
A monopolist has a constant marginal and average cost of $10 and faces a demand curve of QD = 100  10P. Marginal revenue is given by MR=100.20P. a. Calculate the monopolist's profit maximizing quantity, price, and profit. b. Now suppose that the
asked by too old 
Math
The table below provides a frequency distribution for the winner of the Davis Cup during the period 19771994. Winner of Davis Cup Frequency United States 6 Germany 3 Czechoslovakia 1 Australia 3 France 1 Sweden 4 Which measure of center, the mean, the
asked by Anonymous 
Physics
A 2.2 mlong string is fixed at both ends and tightened until the wave speed is 50 m/s.What is the frequency of the standing wave shown in the figure? picture has 6 waves
asked by Unknown 
Calc
A plane flying horizontally at an altitude of 1 mi and a speed of 510 mi/h passes directly over a radar station. Find the rate at which the distance from the plane to the station is increasing when it is 6 mi away from the station. (Round to the nearest
asked by Peter 
Math
Angle x is in the second quadrant and angle y is in the first quadrant such that sinx=5/13 and cosy=3/5, determine and exact value for cos (x+y). I have no idea how to even start this question. Could someone please help me?
asked by Jenn 
chemistry
Which represents the largest pressure? A)five mmHg B)one atmosphere C)one millimeter of mercury D)one hundred pascals E)five pounds per square inch I tried converting them all to mmHg and I think the answer is B, but I just want to make sure.
asked by Holly 
Physic
The back wall of an auditorium is 29.0 m from the stage. If you are seated in the middle row, how much time elapses between a sound from the stage reaching your ear directly and the same sound reaching your ear after reflecting from the back wall?
asked by Jimmy 
calculus
P /\ /  \ /  \ on this side there is an /  \ arc with A(θ) in the /  \ middle. the B(θ) /θ  B(θ)\ triangle is not equal O  R to the θ triangle. Q the figure shows a setor of a circle with central angle theta. Let A(θ) be the area
asked by Reen 
Psychology
Can anyone tell me if I answered this correctly? Please help. 2. Assignment: Erikson’s Timeline • Write a 350 to 700word paper that explains in which of Erikson’s eight stages of life you believe you are currently. • • Explain why you think you
asked by Aaliyah 
Social Studies 11
Why did the british fight against the turks in 1915?
asked by Anonymous 
Chemistry
on heating the hydrate CaSO4*2H2O, how many moles of water should be driven off per mole of hydrate? 1 mole?
asked by c 
Chemistry (physical)
At room temperature (25 degrees C) butane is a mixture of 72% anti and 28% gauche conformations. Calculate the difference in energy between the gauche and anti confromations. This is how I calculated it but I am not sure I am right: Boltzmann equation:
asked by Alice 
5th grade
write a spelling word that fits each clue 4.a furnace could provide this.
asked by Mya 
excretion
Question: which is an example of excretion? a) release of sweat from the sweat glands b) removal of carbondioxide from the lungs Please tell me what is the answer. I thought both urea(from the sweat) and CO2 are products of excretion? In fact, my textbook
asked by biology 
AP Chemistry
What acid and what strong base would react in aqueous solution to produce the following salts in the formula equation? Write the balanced formula equation for each reaction. a. potassium perchlorate b. cesium nitrate c. calcium iodide
asked by Angel 
chemistry
Perform each of the following conversions, being sure to set up clearly the appropriate conversion factor in each case. 2.23 m to yards Am I supposed to round the answer? I don't think I am, but the answer I get is insanely large.
asked by Jake 
Clinical Calculations
What weight of NaOH would be required to prepare 3000 ml of a 2.5M solution?
asked by Tamaka 
Physics
Sound is detected when a sound wave causes the eardrum to vibrate. Typically, the diameter of the eardrum is about 8.4 mm in humans. How much energy is delivered to your eardrum each second when someone whispers 20dB a secret in your ear?
asked by Unknown 
social studies
Why was the Bill of Rights added to the Constitution?
asked by Melea 
English Help
R for run on sentence, CS for comma splice, F for fragment, and C for correct sentence. Some correct sentences can be punctuated more effectively, however. Check over my anwers if i get it wrong please correct me. Thanks! 1. Carlos took the job and he was
asked by Jess 
Chemistry
Is the reaction involved in dissolving ammonium chloride in water an endothermic reaction or exothermic reaction? Why? I am pretty sure it is endothermic, but I am just not sure why ?
asked by Anonymous 
Physics121
The back wall of an auditorium is 29.0 m from the stage. If you are seated in the middle row, how much time elapses between a sound from the stage reaching your ear directly and the same sound reaching your ear after reflecting from the back wall?
asked by Jimmy 
algebra
I am real stuck, if i am collecting like terms would 19z+z+10/19z be 10/19+21z
asked by Shar 
Social Studies
Which of the following was not a radical social movement in the nineteenth century? A) Utopian socialism B) Transcendentalism C) Spiritualism D) Naturalism
asked by John 
Social Studies
Which of the following was not a radical social movement in the nineteenth century? A) Utopian socialism B) Transcendentalism C) Spiritualism D) Naturalism
asked by John 
calculus
A fence 4 feet tall runs parallel to a tall building at a distance of 5 feet from the building. What is the length of the shortest ladder that will reach from the ground over the fence to the wall of the building?
asked by zama 
biology
skin cells seem to fit together like pieces of a jigsaw puzzle how is this arrangement of cells helpful to an organism?
asked by josh 
Calc
If x2 + y2 = 100 and dy/dt = 3, find dx/dt when y = 8.
asked by Bryan 
Honors Chemistry
On the same subject as before with the limiting/excess reagent stuff  can someone please check my answer to make sure I'm doing it right? Thanks sooooo much!! :DD 3. Mg + 2HCl ==> MgCl2 + H2  What mass of hydrogen at STP is produced from the reaction
asked by Emily 
chemistry
What is formed at the anode and cathode when the following solutions are electrolysed? sodium iodide copper II chloride sodium sulphate NaOH HCl magnesium nitrate also is this true: if the metal in the compound is higher in the reactivity series than
asked by Nabiha 
Payroll Accounting
Help with my Payroll Accounting Final Project. Class AC12205. Please. I am so lost.
asked by Brittany 
Chemistry
what is the lewis structure for CH3?
asked by Anonymous 
geometry
What is the area of a trapezoidal piece of land if the shorter parallel side is 52 ft long, the other parallel side is 130 ft and the altitude of the trapezoid is 75 ft ?
asked by kimama 
chemistry
sodium iodide copper II chloride sodium sulphate NaOH HCl magnesium nitrate also is this true: if the metal in the compound is higher in the reactivity series than hydrogen then hydrogen is produced instead of the metal at the positive electrode.
asked by Nabiha 
Calculus
Suppose f(x)= e^(1/x). Graph this function in the window 5(
asked by George 
Enthalpy of a Phase Change
How many grams of ice at 20.1C can be completely converted to liquid at 9.9C if the available heat for this process is 4.58×103 kJ? For ice, use a specific heat of 2.01 J/(g*C) and Heat of Fusion is = 6.01 kJ/mol.
asked by Wessells 
Physics
A 72 kg bungee jumper jumps from a bridge. She is tied to a bungee cord whose unstretched length is 13 m, and falls a total of 38 m. Calculate the spring stiffness constant "k" of the bungee cord, assuming Hooke's law applies. Calculate the maximum
asked by Anonymous 
Economics for Global Manager
If the current exchange rate is US$1 equals € .70, how much did you win in US dollars? Suppose that the interest rate in Irish banks is 2% for a one year CD. In the USA, the rate is 4% for a one year CD. If you left your winnings in Ireland, how many
asked by Jcalhoun 
checking answers 4 algerbra
1. simplify by removing the parenthses and collecting like terms. 83q  (39q38)=44q+38? 2. solve for yz=ym answer y=z/m? 3. divide if possible 6/"over" 17 divided by (5/"over"17)=undefined? 4. translate to algerbirc expression the sum of c and n=
asked by Nashea 
Business Finance
Rita won $60 million lottery. She is to receive $1 million a year for the next 50 years plus an additional lump sum of $10 million after the 50th year. The discount rate is 10%. What is the present value of her winnings?
asked by Lawrence 
Business Finance
you owe $30,000 payable at the end of five years, what amount should your creditor accept in payment immediately if he could earn 11% on the money?
asked by Lawrence 
Ap english
I have to answer a few questions about the essay Ralph Waldo Emerson From Education. (a copy of it is provided on google when you type in what does emerson mean when he says "nature loves analogies, but not repetitions"? ) If you have read it or can read
asked by anonymous 
chemistry
What is formed at the anode and cathode when the following solutions are electrolysed? sodium iodide copper II chloride sodium sulphate NaOH HCl magnesium nitrate also is this true: if the metal in the compound is higher in the reactivity series than
asked by Nabiha 
AP Chemistry
When hydrochloric acid reacts with magnesium metal, hydrogen gas and aqueous magnesium chloride are produced. What volume of 5.0 M HCI is required to react completely with 3.00 g of magnesium?
asked by Angel 
English
1. I have not broken my leg. 2. I have broken my leg. (result) 3. I have never broken my leg. #2 is result. What about #1 and #3? Are #1 and #3 result in the present perfect tense? Or are both 'experience'?
asked by rfvv 
Chemistry
I don't understand how to answer this questions. I thought molecular weight was adding up the atomic weight of each element in a molecule...? If a 0.614g sample of a gas maintains a pressure of 238 mmHg when contained in a 1.0L flask at 0.0 degree Celcius,
asked by Holly Y. 
Chemistry
Which pair of molecules has the strongest dipoledipole interactions? a CO2 and CO2 b CO2 and CH4 c NH3 and NH3 d NH3 and CH4 e CH4 and CH4 how do you figure out the answer to this question?
asked by Casey 
Business
A hospital has 30 labor rooms, 15 combination labor and delivery rooms, 3 delivery rooms, and 1 special delivery room reserved for complicated births. All rooms operate around the clock. Time spent in labor rooms varies from hours to days, with an average
asked by Danielle 
algebra 2
Solve the given system of linear inequalities by graphing: x+y>4 xy
asked by saRa 
English
1. Is Eminem a male name or a femalee name? How do you pronounce "Eminem." 2. When you give birth to the baby, you will feel painful. 3. When you deliever the baby, you will feel painful. 4. When you are delivered of the baby, you will feel painful. (Which
asked by rfvv 
9th grade
what is the velocity of someone running if he takes 120 seconds to run 200m
asked by jasha 
Math
Use linear approximation, i.e. the tangent line, to approximate sqrt[3] { 8.4 } as follows: Let f(x) = sqrt[3] x. The equation of the tangent line to f(x) at x = 8 can be written as y=mx+c where m=1/12 b=4/3 find the approximation for sqrt[3] {8.4}
asked by Ben 
SocialsMs. Sue
Ms. Sue this is the memo: Sorry, but I had a tough time on it, I tried to come up with alot, but the ones I did, I don't think they're right. I really need your help Ms. Sue, this is pretty hard. To: Napoleon Bonaparte From: Sara, Senior Advisor Subject:
asked by Sara 
grammar
Label each clause subordinate or independent. 1. If you visit the city of Chicago.subordinate 2.the Art Institute of Chicago is quite famous independent 3.While the Chicago White Sox play in Comiskey Park. subordinate 4.after the sears Tower was built
asked by Christ 
History
Currently, Who is the USA president?
asked by Bob 
algebra
does 13x^2+13y+8x^2 collect like terms =21x^2+13y
asked by Alisha 
Algebra
solve each inequality algebraically and give the answer by using interval notation. 59y
asked by Chad 
Scoial Studies
What were the effects of The Trojan War in its time and today? Does anyone know any websties with this info? Thanks so much!:)
asked by Rebekah 
Algebra
Why is television called a communications medium?
asked by Patrick 
SCIENCE
10 EXAMPLE OF SOLUTION AND COLLOIDS
asked by KATE 
math
using the commutative law the equivalent expression for k+ts would be ts +k am I right?
asked by Shar 
maths
if f(x)=(x^2)(e^x) prove by induction that the nth derivative is (x^2 +2nx +n(n1)(e^x) thanks
asked by claire 
chemistry
if you heat 15.00g of the hydrate CaSO4*2H20, and drive off the water, what is the weight of the anhydrous salt remaining? How do I go about solving this?
asked by c 
alison
How do i find the points of inflection for: f(x)= (1/12)x^4 2x^2 +15 The answers are (2, 25/3) and (2, 25/3) but i don't know how to get the answers. Can someone show me step by step?
asked by math 
math
an extremely volatile substance, Ofnetite, has a halflife of 25 minutes. Find the percentage decrease of this substance in the first two hours.
asked by katy 
math
a train left podunk and traveled west 70 km/h. two hours later, another train left podunk and traveled east at 90km/h. how many hours had the first train traveled when they were 1420 km apart?
asked by Kiki 
calculus
f(x)=2x+8x^1.For this function there are four important intervals: (infinity,A],[A,B),(B,C), and [C,infinity) where A,B and C are either critical numbers or points at which f(x) is undefined.Find A,B and C.
asked by zama 
algerbra
1. 1+1=0? 2. 2x(4)x(4)x(2)=64 3. multiply (16)(10)=160? 4. determine if 6 is a soultion of the equation 3x=18? yes 6 is the soultion?
asked by Nashea 
English
How are the family
asked by Helen 
History
Can you please explain to me what this means. Chief Justice John Marshall, in Cherokee Nation vs. Georgia held that the court had no juisdiction, under the U.S. Constitution, to deal with this issue because the Cherokees were a domestic, dependent nation
asked by Samantha 
physics
A toy car runs off the edge of a table that is 1.683 m high. The car lands 0.3309 m from the base of the table. The acceleration of gravity is 9.8 m/s2 . How long does it take for the car to fall? Answer in units of s.  What is the horizontal velocity of
asked by Anonymous 
science
why doesn't solute added to a saturated solution dissolve
asked by Anonymous 
chemistry
Stelco has been recently legislated to reduce total SO2 emissions from iron smelting operations. Select the most effective chemical reagent to desulfurize Stelco’s gas emissions as a strategy to minimize the environmental impact of acid rain in eastern
asked by Danny 
Texas History
I need help trying to write my own declaration of independence
asked by Cindy 
ACCOUNTING
Deer Valley Lodge, a ski resort in the Wasatch Mountains of Utah, has plans to eventually add five new chairlifts. Suppose that one lift costs $2 million, and preparing the slope and installing the lift costs another $1.3 million. The lift will allow 300
asked by Anonymous 
chemistry
Consider three oneliter flasks labeled A, B, and C filled with the gases NO, NO2, and N2O, respectively, each at STP. Which flask contains 1.0 mole of gas?
asked by Anonymous 
Math
For a box and whisker plot, if you have an even amount of numbers which number would the mean be. 3,4,4,5,5,6,8,10,10,12,15,18 Is it 6 or 8 Thank you
asked by Anonymous 
Math/algebra
The question is 9xy  15x I answered 3y  5 is this right?
asked by newcomb 
Math
By what percentage does the average price increase from 1994 to 1995? Obtain a truncated version of the graph by sliding a piece of paper over the bottom of the graph so that the bars start In the truncated graph, by what percentage does the price appear
asked by Anonymous 
Calculus
R(x)= { ax^2, from A to B { bx+c, from B to C B is 1000 feet horizontally from A and 100 feet higher. Since the road is smooth, R'(x) is continuous. What is the value of b?
asked by Anonymous 
English
I have to write a discursive essay on how junkfood leads to obesity and my views about eating well and keeping fit. i just need a few hints about how i should start.
asked by Amy 
chemistry
A gaseous mixture of and contains 35.8 nitrogen by mass. What is the partial pressure of oxygen in the mixture if the total pressure is 565 ?
asked by Chrissie 
Math
What is the difference between the range and the interquartile range? I can't find a difference
asked by Anonymous 
Math
Use a centimeter ruler and separate sheet of paper to draw am 8 cm. by 6 cm. rectangle. List its perimeter on the table below. Then cut out the rectangle and also cut along the diagonal as shown below in the picture. Use the your two pieces to create 4 new
asked by Vickie 
CMC220
how each new medium affected news content and delivery, including how people engaged with news and how the media that preceded it adapted their content and delivery. Be sure to discuss newspapers, magazines, radio, TV, and satellite and Internet services.
asked by serena 
Calc
A common inhabitant of human intestines is the bacterium Escherichia coli. A cell of this bacterium in a nutrientbroth medium divides into two cells every 20 minutes. The initial population of a culture is 59 cells. (The tolerance is 1% unless your
asked by Joe 
Calculus
A spotlight on the ground shines on a wall 12 m away. If a man 2 m tall walks from the spotlight toward the building at a speed of 1.5 m/s, how fast is the length of his shadow on the building decreasing when he is 4 m from the building?
asked by Peter 
Math
can you please check my answers evaluate (5a)^2 and 5a^2 when a =5 625 for both 112.64=11.64 (14)/(7)=2 using multiplying by 1to find an expression equvialnt to 18/19 with a denomanator of 171z?dont simplfy type a fraction one day the temperture
asked by Alisha 
math
a nutrition center sells two types of health foods to mountainclimbing teams, Trailblazer Mix and Frontier Mix. Each package of the Trailblazer Mix sells for $9.75. Each package of the Frontier Mix sells for $9.50. The center wishes to maximize its
asked by zbag 
chemistry
A gaseous mixture of O2 and N2 contains 35.8% nitrogen by mass. What is the partial pressure of oxygen in the mixture if the total pressure is 565 mmHg?
asked by Chrissie 
11th grade
I want to send path help an actual photo I took that's attached onto the email. I can't do that on that website. Is there another website where I can email a teacher a photo?
asked by AL 87 
Algebra
Consider the algebraic expression E=(2x+y) (5ab)^3
asked by Wellness 
economics
apples cost £2 and pears cost £4. For John the marginal Utility (MU) of the last apple consumed was 4 and MU of pears was 12. For Paul MU of last apple was 3 and MU of last pear was 6. Which person is not maximising utility and how can you tell? What
asked by remy 
antiderivatives
find the equation of f(x) f''(x)= 2 + x^3 + x^6
asked by Reen 
Math
determine weather 10 is the solution of the equation x+10=36 is 10 the solution no use multiplcation principle 10x=90 9 3[79{62)]= 87 find x when x=62/83*= 62/83
asked by Conrad 
physics
A ball is thrown from the top of a building upward at an angle of 66 ◦ to the horizontal and with an initial speed of 16 m/s. The ball is thrown at a height of 53 m above the ground and hits the ground 33.2074 m from the base of the building. The
asked by Anonymous 
checking answers 4 algerbra
1. What percent of 120 is 48? 57.6%? 2. collect like terms. 17T + T + 15/13T= 249/13T? 3. solve using the principles together. 3x6=12 i am solving for x=6? 4. solve using the addition principle. 37+n=19 i am solving for n= 18? 5. solve using the
asked by Nashea 
science8 intergeted
what is lubricant and orbital motion
asked by sophie 
definition
what word is similar to the definition "to make significant" or "to make unique" ?
asked by stephanie 
social studies
How are the counties of Santa Rose and Escambia the same?
asked by florida studies weekly 
Algebra
Consider the algebraic expression E=(2x+y) (5ab)^3
asked by Wellness 
Grammar
What's wrong with the following sentence? He was in trouble for acting like a tomfoolery.
asked by Bart 
Economics/Math
Airline pricing is a good example of price discrimination. Airlines set different prices for firstclass and excursion. Suppose the economics division of a major airline company estimates the demand and marginal revenue functions for firstclass and
asked by too old 
algerbra
1. use a commutative law to find an equivlant expression f+sr? sr+f? 2. determine which real number corresponds to the situation. The record high tempature for a date is 97.8 above zero. The cooresponding number for this sentence is 97.8? 3.Translate to an
asked by Nashea 
algebra
solve the inequality (x3)/10 >_ (greater or equal to) (x2)/3 how would you do this? I don't understand how to do the fractions
asked by Chad 
geometry
A large, circular building has a diameter of 126 feet. Correct to the nearest whole foot, what is the circumference of the building?
asked by kimama 
antiderivates
find f(x) f'(x) = (x^21)/x^(1)
asked by Reen 
health care
I am doing a essay and am haivng a hard time finding in goggle search just when computerized pharmacy came about. Any Idea were to go for this?
asked by april 
geometry
A large, irrigated crop circle is 600 meters in radius. Correct to the nearest tenth of a hectare, how many hectares of land are contained in this circle.
asked by kimama 
social studies
what are coordinates for the point marked j
asked by jasmin 
Accounts
on july 25 Hamilton company accountatn prepared a check for august rent. the landlord received the check on the 31 of july and cashes iton the 2 of august. when should the rent transaction be recorded
asked by Sharlyne 
geometry
A football field is 130 yards long and 70 yards wide. If sod costs $0.80 per square foot to lay, how much will the owners have to pay for sodding the entire field?
asked by kimama 
geometry
A propane tank is in the form of a cylinder with two halfspheres, one on each end. The radius of the cylinder is the same as the radius of each halfsphere. What is the volume of a propane tank of cylindrical length 12 ft and radius 5 ft, correct to the
asked by kimama 
visual
I can't seem to describe the placement of my objects in my stilllife arrangement. The objects are placed at an angle, which is almost horizontal. Does it relate to the principles of art?
asked by Anonymous 
calculus
1 pt) Find the length of the curve defined by y=1/8(x^2−8ln(x)) from x=3 to x=5
asked by Nikhil 
geometry
A rectangular trench is to be dug which is to be 240 ft long, 90 ft wide and 9 ft deep. A large dump truck can carry 20 cubic yards in a load. How many truck loads will be required to remove the dirt from this trench?
asked by kimama 
geometry
Using 3.14 for p, find the volume, correct to two decimal places, of a sphere which is 4.5 ft in radius.
asked by kimama 
geometry
Using 3.14 for p, find the volume, correct to two decimal places, of a cylinder which is 4 ft in radius and 10 ft high.
asked by kimama 
geometry
Using 3.14 for p, find the volume, correct to two decimal places, of a cone which is 4 ft in radius and 24 ft high.
asked by kimama 
Algebra
I have to find the vertex, axis of symmetry, and x intercepts of x^2x+(5/4). I put it in standard form as (x+.5)^2+1.5. Thus, the vertex would be .5, 1.5. But the book's answer is 1/2, 1. How did they get this?
asked by Erin 
geometry
Which of the following angles is the supplement of 132o ?
asked by kimama 
geometry
The measures of two of the angles of a triangle are 47o and 51o. Then the measure of the third angle of the triangle is
asked by kimama 
physics
Judy, by chance, spots a potted plant falling outside the window at 3.84 m/s . Further down the same building, Judy boyfriend clocks the pot at 61 m/s .The acceleration of gravity is 9.8 m/s2 .How far apart are the friends? Answer in units of m.
asked by Anonymous 
geometry
If the lengths of two sides of a right triangle are 33 ft and 56 ft, then the length of the hypotenuse must be
asked by kimama 
calculus
find f(x) f'(x) = (x^21)/x^(1)
asked by Reen 
geometry
If the length of the hypotenuse of a right triangle is 65 cm and the length of one side is 56 cm, then the length of the other side must be
asked by kimama 
geometry
A piece of property is in the form of a right triangle with sides which are 300 meters and 1200 meters in length. What is the area of this triangle in hectares, correct to the nearest whole hectare?
asked by kimama 
geometry
If there are 7.5 gallons to the cubic foot, and a spherical storage tank has a radius of 19.5 ft, then using 3.14159 for p ,how many gallons, correct to the nearest whole gallon, will the full storage tank hold?
asked by kimama 
Accounting
Information related to Hermesch Company for 2010 is summarized below.
asked by Tuyet 
geometry
A trapezoid has a lower base which is twice as long as its parallel upper base. The upper base is 21 cm long. One nonparallel side is 20 cm long and the other nonparallel side is 6 cm longer than the shorter nonparallel side. What is the perimeter of
asked by kimama 
Algebra
27f(x)=1/4x^22x12. Can you show me how to find the vertex and x intercepts, stepbystep? I tried to put it in standard form, with (1/2x1)^213, but my book said that's not the answer. Thanks!
asked by Erin 
geometry
If there are 7.5 gallons to the cubic foot, and a cylindrical storage tank has a radius of 21 ft and an altitude of 28 ft, then using 3.14159 for p ,how many gallons, correct to the nearest whole gallon, will the full storage tank hold?
asked by kimama 
science
need to write 5 liquid and 5 solids for grade 2
asked by komal thind 
Algebra
When using b/2a with functions, should I ignore the negative, figure out b/2a and then put a negative around it? Or should I turn 2a into 2a? Or should I go b/2(a)? Thanks for clearing this up!!!
asked by Erin 
history
Garlic To where did this food product spread from its point of origin? Be sure to include time periods. HELP!! I CANT FIND ANYWHERE
asked by sophia 
English
Why is Babylon Revisited called that if it takes place in Paris?
asked by Jake 
physics
A 150 kg crate, starting from rest, is pulled across a floor with a constant horizontal force of 420 N. For the first 21 m the floor is frictionless, and for the next 21 m the coefficient of friction is 0.30. What is the final speed of the crate?
asked by Anonymous 
algebra
The tep[erture drpped from 4degree f to 12 degrees f how many degrees did it drop 8 degrees?
asked by Alisha 
Math
determine weather 10 is the solution of the equation x+10=36 is 10 the solution no use multiplcation principle 10x=90 9 3[79{62)]= 87 find x when x=62/83*= 62/83
asked by Conrad 
Math
can you please check my answers evaluate (5a)^2 and 5a^2 when a =5 625 for both 112.64=11.64 (14)/(7)=2 using multiplying by 1to find an expression equvialnt to 18/19 with a denomanator of 171z?dont simplfy type a fraction one day the temperture
asked by Alisha 
visual
How do the principles of movement and harmony relate to the placement of my objects in my still life?
asked by Anonymous 
Math
2/13/(3/13)=undefined 4(x6)+2=6(x+2)6= 14 7x+9x=96 x=6
asked by Peewee 
Trigonometry
What is the arcsin of (pi/2)?
asked by Anonymous 
geometry
What's another way to write 8 3/4?
asked by Juan 
Math
Prove that cos2x=(1tan^2x)/(1+tan^2x) I can't find any identities that can help me with this. I'm really confused
asked by Simon 
checking answers 4 algerbra
1. use a commutative law to find an equivlant expression f+sr? sr+f? 2. determine which real number corresponds to the situation. The record high tempature for a date is 97.8 above zero. The cooresponding number for this sentence is 97.8? 3.Translate to an
asked by Nashea 
Algebra
How come there are no x intercepts for x^2x+(5/4)? Can you show me why, please?
asked by Erin 
chemistry
a pure compound is put in a polarimeter and the optical activity is measured to be 0 º. what do you know about the compound?
asked by Anonymous 
chemistry
a pure compound is put in a polarimeter and the optical activity is measured to be 0 º. what do you know about the compound?
asked by Anonymous 
spelling
6.To make a hole in something/You do this.
asked by Mya 
thca 230
what types of reform effort is being implented to improve caregivers socialization skills
asked by regina 
art
Am I right with this statement? "The way the shadows created by the coat hangers look very realistic is part of the design quality of my stilllife composition."
asked by AL 87 
science
what is orbital motion and lubricant
asked by sophie 
algebra
solve the compund inequality. 6>4x+5 or 7≤2x+4
asked by Wendy 
health care
are health care companies and medical companies the same?
asked by london 
Science
Explain why air as the incident medium allows us to find the unknown indexx of refraction of the medium. (If the incident medium is NOT air, nR will be impossible to determine)
asked by James 
CHN
WHAT DOES CHN STAND FOR?
asked by Anonymous 
Science
Compare the angle of refraction with the angle of incidence for all angle of incidences greatter than 0 degrees. what relationships do you notice between the angle of incidence and the angle of refraction? explain why you expect this relationship to be
asked by James 
SocialsMs. Sue
To: Napoleon Bonaparte From: Sara, Senior Advisor Subject: Continental System 1. Advantage for Britain: None Disadvantages for Britain: Loses money because of trade embargo from Europe *will not be able to trade with other countries *Won't be in debt
asked by Sara 
Math for educators
Help please! What is the domain and range for the following numbers 2.68, 2.58, 2.38? Thank you
asked by Fiona 
advanced functions
The manufacturer of a propeller for a small aircraft mandates a maximum operating angular velocity of 300 rad/s. Determine whether it is safe to install this propeller on an aircraft whose engine is expected to run at a maximum of 2800 rpm.
asked by  
science
what do you notice about the ratio (sin θi/ sin θR) for all angle of incidences greater than 0 degrees? explain why you would expect this to be true?
asked by Tom 
ELA
what could you say if you want to give a little intro about the book
asked by Anonymous 
hhs265
The following two financial statements—a statement of activities (profit and loss summary) and a statement of financial position (balance sheet)—are for the Council on Social Work Education for fiscal year 1998. (See Tables 5.3 and 5.4.) Review these
asked by hello 
maths
of 50 students, 40 are in the football team and 30are in the cricket team. how many are in both if six do not play either.
asked by rowanna 
science
Explain why the index of refraction of an object is a physical property?
asked by Tom 
checking answers 4 algerbra
1. What percent of 120 is 48? 57.6%? 2. collect like terms. 17T + T + 15/13T= 249/13T? 3. solve using the principles together. 3x6=12 i am solving for x=6? 4. solve using the addition principle. 37+n=19 i am solving for n= 18? 5. solve using the
asked by Nashea 
spelling
5.you might get one if you return a valuable lost item
asked by Mya 
visual
do you have an email account bobpursley, so that i can email you a picture of my art? It's a good idea. I'll send it to you.
asked by Anonymous 
Math
2/13/(3/13)=undefined 4(x6)+2=6(x+2)6= 14 7x+9x=96 x=6
asked by Peewee 
11th Grade
Well, then what's the best homework website for tutors who work via email, so that they can take a look at my art and help me?
asked by Anonymous 
Math
can you please check my answers evaluate (5a)^2 and 5a^2 when a =5 625 for both 112.64=11.64 (14)/(7)=2 using multiplying by 1to find an expression equvialnt to 18/19 with a denomanator of 171z?dont simplfy type a fraction one day the temperture
asked by Alisha 
visual
What does the art term expressiveness mean?
asked by Anonymous 
physics
A car is parked near a cliff overlooking the ocean on an incline that makes an angle of 29.1◦ with the horizontal. The negligent driver leaves the car in neutral, and the emergency brakes are defective. The car rolls from rest down the incline and has a
asked by Anonymous 
Math
determine weather 10 is the solution of the equation x+10=36 is 10 the solution no use multiplcation principle 10x=90 9 3[79{62)]= 87 find x when x=62/83*= 62/83
asked by Conrad 
ALGEBRA 1 A
Would someone check my answer please? Thank you. A bank offer two checking plans. the anywhere plan charges 30 cent per check, the accucheck plan cost $0.64 a month, plus 22cent per check, for what number of checks will the accucheck plan cost less than
asked by Terri 
trigonometry
What is the exact value for sin5pi / 12 ?
asked by  
calculus
f'(x) = (x^21)/x
asked by Reen 
Grade 11
does anyone have an email account, so that i can email a picture of my art?
asked by Anonymous 
English
1. You have smelled my cakes. 2. I haven't stolen your cakes. (What does each present perfect tense mean? Does each mean 'experience' or 'result' or 'accomplishment'?)
asked by rfvv 
math
On his 10th birthday, Tom's allowance was doubled. When he turned 12, his allowance increased by $10 to $34 per month. What was Tom's allowance before his tenth birthday?
asked by anonymous 
algebra
does y=11x ,for x makje x=y+11? 814=6 7.4=x13 answer 6.1 m/m for m =72 and n =9 m/n=72/9=8 4x+7=39 4x/4x=32/4x 4/32=x8 10 is greater than 18 4*(9)= 36
asked by p 
Math
BLIND BATS AT HALLOWEEN There were number of bats in a cave. Two bats can see out of right eye, Three bats can see out of left eye, Four can't see out of left eye, and Five can't see out of right eye. What is the least number of bats in the cave & what
asked by Tina 
English
In the sentence below, I'm confused about the word 'about'. I'm not sure whether it's a preposition or an adverb. The theater seats 'about' four thousand people.
asked by Hannah 
chemistry
The following redox reaction occurs in basic aqueous solution. When balanced with the smallest whole number coefficients, what is the coefficient for OH(aq)? Mn(OH)2(s) + MnO4(aq) = MnO42(aq). 1. ) 2 2. ) 3 3. ) 4 4. ) 6 5. ) 8 the answer i got was
asked by edward 
Lord Of The Flies English
What is implied at the end of the novel? Is this truly a happy ending?
asked by Mary Jane 
chemistry
What is formed at the anode and cathode when the following solutions are electrolysed? sodium iodide copper II chloride sodium sulphate NaOH HCl magnesium nitrate also is this true: if the metal in the compound is higher in the reactivity series than
asked by Nabiha 
nuclear projects
what are nuclear projects?
asked by Anonymous 
english
i need a really quick summary of chapter 2 in lord of the flies.
asked by Nabiha 
social studies
What could I write in an editirial from 1773 about the Tea Act and the Boston Tea Party?
asked by mic 
physics
Janet jumps off a high diving platform with a horizontal velocity of 2.22 m/s and lands in the water 1.5 s later. The acceleration of gravity is 9.8 m/s2 . a) How high is the platform? Answer in units of m.
asked by Anonymous 
chemistry
What is formed at the anode and cathode when the following solutions are electrolysed? sodium iodide copper II chloride sodium sulphate NaOH HCl magnesium nitrate also is this true: if the metal in the compound is higher in the reactivity series than
asked by Nabiha 
math
A bacteria culture starts with 260 bacteria and grows at a rate proportional to its size. After 4 hours there will be 1040 bacteria. (a) Express the population after t hours as a function of t. this is what i put as my answer but i guess its not right do i
asked by aman 
math
sorry people i have to post this what happened to my psp 2000? what should i do? okay my little cousin threw my psp at the wall then the battery fell out then i put it back in then it wont turn on. what do i do
asked by garrick 
American History
Why did the Pilgrims not encounter much Native American resistance upon settling in Plymouth? Is it because of the harsh winter, and the fact that many of the Pilgrims died on the trip? Thanks, Ashley
asked by ATP 
algebra
The problem I have is (14)/(7) divide if possible or n if undefined 2 9.5+(3.8)=36.1
asked by Conrad 
algebra
Marcella and Rupert bought party stuff. Marcella bought 3 packs of ballooons and 4 packs of favors for a total of $14.63. Rupert bought 2 packs of balloons and 5 packs of favors for a total or $16.03. Find the price of each and write a system of equations
asked by Melissa 
Math
Directions: Write an expression for each of the following. Use n for the unknown number Questions: four less than a number a number increased by the same number I am confused, thanks!
asked by JADEN 
American History
How were the slaves brought to America? I think the slave were brought to America by boat from Africa, is this correct?
asked by ATP 
Math
Thanks Ms. Sue, that's what I thought but I was not sure.
asked by JADEN 
Physics
An airplane traveling 1001 m above the ocean at 125 km/h is going to drop a box of supplies to shipwrecked victims above. a. How many seconds before the plane is directly overhead should the box be dropped? b. What is the horizontal distance between the
asked by Angel 
Physics
You row a boat, perpendicular to the shore of a river that flows at 3.0 m/s. The velocity of your boat is 4.0 m/s relative to the water. a. What is the velocity of your boat relative to the shore? b. What is the component of your velocity parallel to the
asked by Angel 
Organic Chemistry
Would it be possible to separate hexane (b.p. 68.95 degrees Celsius) from toluene (b.p. 110.6 degrees Celsius) by simple distillation?
asked by Apple 
Math
Are these correct? two more than a number and four = 2 + n + 4 ten more than a number plus 3 = n + 10 + 3 three increased by a number minus 5 = n + 3  5 six and a number decreased by 7 = n+67
asked by JADEN 
algebra
The problem I have is (14)/(7) divide if possible or n if undefined 2 9.5+(3.8)=36.1
asked by Conrad 
math
solve the linear equation 10.8x + 1.4 = 47.6  1.0x
asked by jessica 
Math
does y=11x ,for x makje x=y+11? 814=6 7.4=x13 answer 6.1 m/m for m =72 and n =9 m/n=72/9=8 4x+7=39 4x/4x=32/4x 4/32=x8 10 is greater than 18 4*(9)= 36
asked by p 
Travel and Tourism
I'm going to New York City for a school trip next April. Do you think that when you're in NYC, you'll hear the songs, "Empire State of Mind" and "New York, New York" very often? Empire State of Mind is a really good song to hear, especially when you're in
asked by AL 87 
Maths
Determine the exact expression for the following.  cos(pi/4)=(x/60) I got x=60/√2 Is that correct? Also, I had a lot of trouble with this one: cos(pi/6)=(z/60) I got z=(√3 (60/√2))/2 That doesn't seem right, but I don'r know what I', doing wrong.
asked by Lucy 
Ms. Sue
Thanks so much for your help MS. Sue
asked by ATP 
math
Put into slope intercept form: (2,5) m=3 I have a quiz tomorow, and i need to make sure im doing the steps right, so then do you do..: ? 2=15+b 13=b y=3x13 ???
asked by sophia 
American history
What parts did the government consist of in the colonies? Who could vote? Does this pertain to the Parlimentary rule? And that only male, land owners were permitted to vote in the colonies?
asked by ATP 
grammar
Tell if the sentences, are phrase write phrase if it is a clause, write independent or subordinate. 9 Before settlers arrived .(phrase) 10 In 1794 .(phrase) 11 When it became a city .(subordinate) 12 Chicago had its first railroad.(independent) 13 Before
asked by Christ 
earth science
Describe the change in duration of insolation from the Equator to the North Pole A) In the winter b) In the summer c) on the Equinox
asked by Nadine 
earth science
Describe the change in duration of insolation from the Equator to the North Pole A) In the winter b) In the summer c) on the Equinox
asked by Nadine 
checking answers 4 algerbra
1. use a commutative law to find an equivlant expression f+sr? sr+f? 2. determine which real number corresponds to the situation. The record high tempature for a date is 97.8 above zero. The cooresponding number for this sentence is 97.8? 3.Translate to an
asked by Nashea 
macroecon
If the MPC equals.7 and the MPI equals .1 then the varible net export spending multiplier equals?
asked by phil 
math
I was given a problem 9x  15x I was told to simplify, I got 3y  5 I was told that was wrong. Is it and why?
asked by newcomb 
algabra
x2/3=125
asked by Anonymous 
Math
Thanks Ms. Sue!
asked by JADEN 
science
what is the system of grouping things based on properties?
asked by Kaitlyn 
childhood
By providing shelves low enough for children to select materials, you encourage the development of A Social skills B solitary play C Cleanliness D Independence I believe that A is the correct answer Which of these factors is most likely to determine the
asked by Rosa 
logarithms
how do i solve: log4x^3 + log2x^1/2 = 8 please help me
asked by jenny 
Math
does y=11x ,for x makje x=y+11?
asked by p 
grammar/Ms Sue
14 during the great fire (independent 15 After industries were rebuilt(subordinate
asked by Christ 
9th Chemistry
Why is there a big space in the periodic table between the 2nd & 3rd periods? The activity of the electrons is related somehow.
asked by Marie 
advanced functions
Show that tanx = sinx / cosx can be written as tan(x+y) = (tanx + tany) / (1  tanxtany)
asked by  
chemistry
when water is added to anhydrous copper (II) sulfate, what can be observed? pentahydrate forms and it turns blue is that correct?
asked by Anonymous 
college algebra
rectangular region of lenght x and width y has an area of 520 square meters. write the width y as a function of x
asked by jaja 
Physic
What are the three longest wavelengths for standing sound waves in a 124cmlong tube that is (a) open at both ends and (b) open at one end, closed at the other?
asked by SB 
history
In the movie 'Matewan', who wrote the letter to the company? also, who is telling the story in the movie?
asked by alex 
algebra
does x/8=6 =x=48?
asked by Alisha 
Grammar and Composition
I have to write a speech and record it on a tape. Pet Peeve Speec You will create a "Pet Peeve" Speech. A "Pet Peeve" is one of those little every day occurrences that bugs you, upsets you, or frustrates you. You will use the extemporaneous delivery for
asked by y912f 
language arts
I am writing an essay for l.a and was wondering what a conclusion needs to have.
asked by mic 
Social Studies
What did the Confederation Congress do to strenghten the United States ?
asked by Michaela 
social studies
Which document or institution do you think had the greatest influence on the development of the United States? Why?
asked by Michaela 
Bus 210
write a 200300 word scenario that depicts jointstcok company, limited liability company, partnership,sole proprietorship
asked by Anonymous 
algerbra
42 more than n?
asked by Nashea 
social studies
what was the general attitude of foreign nations toward the new government of the United States? why?
asked by Michaela 
social studies
Of the problems experienced by the Confederation Congress, which do you think was the most harmful? why?
asked by Michaela 
math
Use the discriminant to determine how many realnumber solutions the equation has. v^2  7v + 5 = 0
asked by chandice 
Family life
Can you name a shortterm health goal
asked by TOM 
Algebra
I have to find the standard form of a quadratic function with the vertex of 1,4 and x intercepts of 3,0 and 1,0. What do I do when I have two x intercepts like this?
asked by Erin 
social studies
In what ways did the Constitution strenghthen the central government?
asked by Michaela 
algerbra
Multiply (16)(10)? Would it be 26?
asked by Nashea 
Math
does y=11x ,for x makje x=y+11?
asked by p 
Economics/Math
The demand curve for a monopolist is Qd = 500  P and the marginal revenue function is MR = 500  2P. The monoploist has a constant marginal and average total cost of $50 per unit. a. Find the monopolist's profit maximizing output and price b.Calculate the
asked by too old 
Chemistry
How do you know if a molecule is polar? Would CH2Cl2 be polar or nonpolar?
asked by Katie Y. 
chemistry
calculate percent water in the following hydrates BaCl2*2H20 14.7%? CaCo3*6H20 51.9% Correct?
asked by Anonymous 
algebra
does x/8=6 =x=48?
asked by Alisha 
Chemistry
given a 10.0g sample of MgCO3*5H2O, what weight of anhydrous magnesium carbonate can be obtained after driving off the water? 48.4%? I wasn't sure how to go about finding the answer to this..
asked by Anonymous 
social studies
How did the two compromises reached during the Constitutional Convention satisfy competing groups?
asked by Michaela 
Chemistry
a student found the percent water in CaCl2*6H2O to be 45.5%. What's the experimental error? Is it 7.7%?
asked by Anonymous 
social studies
were there any weaknesses in the Constitution? Explain.
asked by Michaela 
algebra
(d45) would that be d+45
asked by Alisha 
Chemistry
A student recorded the following data for copper sulfate pentahydrate. Weight of crucible and cover (after heating to constant weight), 28.120g Weight of covered crucible plus sample, 31.020g Weight of covered crucible plus sample after heating to constant
asked by Anonymous 
algerbra
1. 1+1=0? 2. 2x(4)x(4)x(2)=8 or 64 on this one i am not sure if i multiply the absolute value or multiply as is
asked by Nashea 
Family life
How to set up a shortterm health goal.
asked by TOM 
social studies
Why were some Americans opposed to the Constitution?
asked by Melea 
MarketingBusiness
What is the decision facing amazon (the website) and what factors are important in understanding this decision situation?
asked by Rasheen 
Literature
I had to write an essay analyzing a short story. I wrote about The Birds: Daphne du Maurier’s short story The Birds is a story of an old war veteran, his family, and how they battle fierce birds. It starts out on the third of December on the Cornish
asked by mysterychicken 
Family Life
how to create a stepbystep action plan.
asked by TOM 
11th grade
solve a perfect square trinomial equation. (4x+1)(x+4)=49
asked by emms 
Vista Laptop Help
Okay so I'd do this myself but I only have a desktop with Windows Vista and not a laptop so if anyone with a laptop that has Vista on it could please help me: 1. Open Windows Mobility Center and then mute the speakers. 2. Change the plan settings for the
asked by Cody 
Calculus
The circumference of a sphere was measured to be 74.000 cm with a possible error of 0.50000 cm. Use linear approximation to estimate the maximum error in the calculated surface area? Also Estimate the relative error in the calculated surface area.
asked by Salman 
math
In math what comes after Tera.
asked by nacho 
Algebra 2
Solve By graphing 2x+y=2 2x+y=6
asked by saRa 
trig
How do I find the "exact value" for the arcsin of pi/3 radians?
asked by Anonymous 
algebra 2
Solve by graphing 3x+y=15 3x+y=6
asked by saRa 
family life
One more thing Can you give me an example of a goal . Thanks.
asked by TOM 
algebra 2
Solve the system by graphing 2x+y=4 2x+y=2
asked by saRa 
Grammar and Composition
ok, now that i have my pet peeve, i have to fill out this sheet. (please read my earlier post for more info on the assignment) Pet PeeveOrganizational Sheet Audience: Who will be your audience? You must indicate an audience that your delivery is geared
asked by y912f 
algebra 2
Solve the system by the substitution method 5x+7y=18 y=5x14
asked by saRa 
Chemistry
calculate the percent water in CaSO4*2H20 20.9%?
asked by c