Questions Asked on
September 10, 2016

Calculus 1
sand is being poured onto the ground forming a conical pile whose height equals 1/4 of the diameter of the base. The sand is falling at a rate of 20cm^3/sec. How fast is the height of the sand pile increasing when it is 3cm high?
asked by Khan 
American Government
Hello all! Just would like to check some answers, I am fairly confident them, but you never know! 1.What is a legitimate government? a. one in which government leaders obtain and keep power by using force b. one that offers the fastest solution to a
asked by Jessica L. 
chemistry
Which statement describes a chemical reaction at equilibrium? A. The forward reaction happens slightly faster than the reverse reaction. B. The reaction has stopped because all reactants have been used up. C. The forward reaction happens at the same rate
asked by emma 
PreCalculus
The minute hand of a clock is 3 inches long. How far does the tip of the minute hand move in 5 minutes? If necessary, round the answer to two decimal places.
asked by Chris 
Math
Consider the graph of the parabola f(x)equals=x squaredx2. For xgreater than>0 and hgreater than>0, the secant line through (x,f(x)) and (xplus+h,f(x+h)) always has a greater slope than the tangent line at (x,f(x)). Choose the correct
asked by Ashley 
Evans
A school district has 2 teaching positions to fill and there are 8 applicants to choose from. How many different possibilities are there?
asked by john 
math (opt) math 2
A flagstaff of placed at one corner of a rectangular playground 40m long and 30m wide. If the angle of elevation of the top of flag staff from the opposite corner of 30°, find height of the flagstaff. (The question is complete and I have cross checked the
asked by A GOODSTUDENT 
Math
The table on the right shows the measured dimensions of a rectangular prism and the minimum and maximum possible dimensions based on the greatest possible error. What is the greatest possible percent error in finding the volume of the prism? (Round to
asked by Jourrapide 
Calculus 1
sand is being poured onto the ground forming a conical pile whose height equals 1/4 of the diameter of the base. The sand is falling at a rate of 20cm^3/sec. How fast is the height of the sand pile increasing when it is 3cm high?
asked by ben 
Math
We can rewrite the expression 16 + 8 as 8x(2+1). Notice that 8 is the greatest common factor of 16 and 8. Use this same method to rewrite the expression 24 + 36 as the product of the greatest common factor of 24 and 36 and the sum of the remaining numbers.
asked by Matt 
Language Arts
1. What is the term for the part of a story that sets up the story's ending? (1point) exposition conflict falling action ** resolution
asked by Sadie 
Chemistry
Your lab partner tells you that he has prepared a solution that contains 1.5 moles of NaOH in 1.5 L of aqueous solution, and therefore that the concentration of NaOH is 1.5 M. (a) Is he correct (b) If not what is the correct concentration
asked by John 
Math
Question: 168.72/0.024=7.03 When I do this calculation on paper the above answer is what I get but when I do this calculation on a calculator I get 7,030.00 what I am doing wrong?
asked by Matt 
Intro to Algebra
In 19977, a math professor bought her condominium for $60,000. The value of the condo has risen steadily so that in 2007 real estate agents tell her the condo is now worth $750,000. Find a formula to represent these facts about the value of the condo V
asked by Hailey McCarthy 
Lifespan Development
Tiffany is 3 years old. She knows that she is a girl, and she expects to be a girl tomorrow, but she does not understand that her gender is permanent. She believes that cutting her hair short could change her gender. Tiffany has ___________ but not
asked by Anonymous 
english
In the below sentence, what type of adjective or adverb is more happily? At the party, Michael danced more happily than I had seen him dance before. A. Comparative adjective B. comparative adverb C. superlative adjective D. superlative adverb i have never
asked by heyo 
Factor Riddles
I am a prime number less than 100. My digits add to 13. What number am I?
asked by Emma 
Biology
Jacobie wanted to test the projectile motion of a pumpkin. His hypothesis was "if the pumpkin had a larger mass, then the higher he could throw it, because the larder pumpkins would have more force." He bought three orange pumpkins and test them all on the
asked by Anonymous 
Math
the angle of elevation of a ladder leaning against a wall is 60° and the foot of the ladder is 5.8m away from the wall. The length of the ladder is?
asked by Manish 
English
What information does not need to be cited in the text or on a Reference page of a college level research paper A. Exact words from another. B. Common knowledge found in a print. C.Paraphrasing of another work D.Statistical information found on a site.
asked by Tim 
social studies
How did Mercantilism contribute to the American Revolution? a. It created the means of cultural diffusion in the New World b. It made the colonies economically independent c.It brought together the French, English, and Spanish influences on one continent
asked by mikey 
Maths
A curve is such that dy/dx = 2 8(3x+4)^1/2  A point P moves along the curve in such a way that the xcoordinates is increasing at a constant rate of 0.3 units per second. Find the rate of change of the ycoordinates as P crosses at the yaxis.
asked by Anon 
chemistry
A precipitate of copper(II) hydroxide is formed in a reaction. What change will help to dissolve the copper(II) hydroxide? Cu^2+(aq) + 2OH^(aq) Cu(OH)"subtext"2(s) A. Adding NaOH B. Adding HCl C. Removing CuCl2 D. Removing H2O is the answer for this d?
asked by emma 
Business Law
Which of the following is true regarding workers' compensation? A. Families of workers cannot claim workers' compensation despite the death of the worker. B. Workers' compensation is only awarded for injuries resulting from the job. C. The claim for
asked by Angela 
Business Law
Which of the following is true regarding religious discrimination? A. Only monotheistic religions are covered under Title VII. B. An employer need not accommodate the religious observances or practices of its employees in the workplace. C. An employee who
asked by Angela 
math
The table on the right shows the measured dimensions of a rectangular prism and the minimum and maximum possible dimensions based on the greatest possible error. What is the greatest possible percent error in finding the volume of the prism? (Round to
asked by Jourrapide 
Algebra
An emergency team needs to be on the roof of the hospital 3 minutes before the helicopter arrives. It takes the team 4 minutes to reach the roof. At what time should the team start moving to the roof to meet the helicopter? Explain your reasoning
asked by Anonymous 
science ap chemistry
What is the equilibrium expression for the following acid dissociation reaction? CH3COOH + H2O CH3COO + H3O+ A. [CH3COO][H3O+]/[CH3COOH][H3O] B. [CH3COOH][H2O]/[CH3COO][H3O+] C. [CH3COOH]/[CH3COO][H3O] D. [CH3COO][H3O+]/[CH3COOH]
asked by jessie 
Math
The function rule T–4, 6(x, y) could be used to describe which translation?
asked by Kayla 
Alg
A charter boat travels at a maximum rate of 25 mph. The function d(x) = 25x represents the distance d(x),in miles, that the boat can travel in x hours. The charter boat travels a maximum distance of 75 miles from the shore.
asked by Taylor 
chemistry
Which of the following is true of the solubility product constant? A. It is the product of the initial concentrations of the ions in a solution. B. It is an equilibrium constant. C. It is an equilibrium position. D. Its value changes in the presence of a
asked by emma 
chemistry
Which of the following statements is true of a solution at pH 7? A. Kw and Kb are equal. B. Kw and Ka are equal. C. Kw, Ka and Kb are equal. D. Ka and Kb are equal.
asked by emma 
Sciene Degree
Pressure, P, is directly proportional to temperature,T, and P is 28 lb per square inch when T is 112 degress Kelvin. What is the pressure when the temperature is 124 degrees Kelvin? If required, round answer to three decimal places. _____lbs per square
asked by Julie 
Chemistry (equilibrium)
C2H6(g) C2H2(g) + 2 H2(g) The ΔH° for the reaction above is +312 kJ. The system is initially at equilibrium. In which direction will the reaction shift in each of the following situations? e) The temperature is decreased. g) He is added at constant
asked by Paige 
chemistry
Which of the following is true about the results of a neutralization reaction? A. An acid and a base form water and salt. B. Water reacts with a base to form the hydroxide ion. C. Water reacts with an acid to form the hydronium ion. D. An acid and a base
asked by emma 
Biochm I
The ∆Gº’ of hydrolysis of ATP is –35.7 kJ/mol. => Calculate the overall free energy change for the hydrolysis of ATP when [ATP]=3.8 mM, [ADP]=2.0 mM, and [Pi]=4.6 mM at 30 ºC Reminder: R=8.314 J.mol1K1. Use 273.15 for conversion of Celsius to
asked by Jessy 
Business Law HELP
Which of the following is true for a corporation's incorporation into a state? A. Domestic corporations can incorporate into only one state. B. Domestic corporations can incorporate into all states that they conduct business in. C. Alien corporations can
asked by Angela 
Math
what is the solution to 204  (36)? A 240 B 240 C 168 D 168
asked by kim 
Algebra
A teacher's union has negotiated a uniform salary increase for each year of service up to 20 years. If a teacher started at $28,000 and 4 years later had a salary of 37,000, what function wpuld describe the teacher's salary over time? S (n) is the
asked by Kate 
chemistry help
How does too little acid cause gastric distress? A. More than enough acid is present to digest proteins, resulting in inadequate digestion of proteins. B. The pH of the stomach becomes so high that proteins are not digested properly. C. The pH of the
asked by emma 
Maths
a rectangular chicken yard was built against an existing she wall. 30m of fencing was used to enclose 108m^2, Find the dimesion of the Yard
asked by Arjun 
Business Law
Which of the following is a cause for the dissolution of a partnership? A. written consent of the general partners B. withdrawal of a general partner C. withdrawal of all limited partners D. acquisition of business by another partnership An B
asked by Angela 
Math trigo
Tan 660'
asked by Anonymous 
Business Law
In states where an LLC may be organized by only one member, __________ can obtain the benefit of the limited liability shield of an LLC. A. corporations B. sole proprietors C. LLPs D. general partnerships B
asked by Angela 
chemistry
Vinegar is a solution of acetic acid, a weak acid. How can you produce more acetate ions in the solution? CH 'subtext' 3 COOH(aq) H+(aq) + CH 'subtext' 3 COO^ (aq) A. Evaporate some of the water. B. Decrease the pressure. C. Increase the volume of the
asked by emma 
Spanish
La Señora González es _____. Usted es _____. Pepito es _____. Carlos es _____. Marta es _____. Yo soy _____. Tú eres _____. Pedro es _____.
asked by Unknown 
Science
Draw a circuit diagram of a containing two cells in series, a closed switch, three identical light bulbs in parallel.
asked by Pholelwa 
Science
water is flowing through a horizontal pipe of varying cross section at any two places the diameters of the tube are 4cm and 2cm if the pressure difference between these two places be equal to 4.5cm then determine the rate of flow of water in the tube
asked by Tanya 
Science
The Strange Case of Beriberi In 1887 a strange nerve disease attacked the people in the Dutch East Indies. The disease was beriberi. Symptoms of the disease included weakness and loss of appetite, victims often died of heart failure. Scientists thought the
asked by Matt 
Algebra
fifteen years ago Jane was x years old, and also Karen was one third(1/3) as old as Jane. a) Write down an algebraic expression for Karen's age fifteen years ago, in terms of x.  would it be x/3 b) write down an algebraic expression for Karen's age now,
asked by Rae 
math
what is the length of the diagonal of a rectangle 12m by 9m?
asked by florence 
Science
A convex mirror forms an image of half the size of the object. When it is moved 15cm away from the object the size of the image becomes 2/5times that of the object. Find the focal length of mirror
asked by Aashutosh 
physics
how much output I can get if a coil having 100000 turns moves pass a strong 3000 gauss neodymium magnet with 10 m/s velocity only once a time?
asked by vikram 
Science
If a ball is thrown upward on Mars with an initial velocity of 10.0 m/s and lands 1.50 m below its launch point 5.54 seconds after it is thrown , what is the local acceleration due to gravity one Mars .... Plzzzzzzzzz answer it's really important I have to
asked by Katherine 
8th Grade PreAlgebra
Hi, I really need some help with scientific notation. How do I convert large numbers like 108,000,000 and other numbers that are even larger than this to scientific notation? This is for a math project and even though I learned about this, it's still hard
asked by Music Lover 14 
chemistry help
During a chemical reaction, if Q = K, what can be said about the reaction? A. The reaction still proceeds in both directions, but the net result is that the reactant and product concentrations do not change. B. The amount of product is always equal to the
asked by emma 
Physical science
To pass a slow vehicle within the length of the passing lane roger got up well over the speed limit . He then spotted a police cruiser coming around the corner and hit the brakes . If he braked at 6 m/s^2 , and it took him 1.50 seconds to get back to 40
asked by Katherine 
chemistry
05 mL of sample water needs10.9 mL .01M EDTA solution. what is the accurate Hardness of sample in CaCO3 (mg/L)? pls expalin.
asked by sm.feroj 
physics
A particle is traveling counterclockwise in a circle of radius r = 2.30 m. At some instant in time, the particle is located by the angular coordinate α = 24.0°, the total acceleration has a magnitude of a = 15.0 m/s2 and is directed at an angle β =
asked by bob 
Geometry
Line MP bisects
asked by Steven 
Chem
How many significant figures are in these numbers 1,000 has 1 2.134 has 4 0.00001 has 1 10,005 has 5 1.000 has 4
asked by Anonymous 
chemistry
Sig figs 33.067. 5 sig figs .0908. 3sig figs 1099. 4 .0087. 2 check pls
asked by lulu 
evans
f a $2 bet is placed for a chance to win $500 for drawing a 10 of any suit from a standard deck of cards, what is the value of expectation? A. $125 B. $250 C. $500 D. $2
asked by loe 
Alg
A charter boat travels at a maximum rate of 25 mph. The function d(x) = 25x represents the distance d(x),in miles, that the boat can travel in x hours. The charter boat travels a maximum distance of 75 miles from the shore.
asked by Taylor 
Physics
Once all of the passengers aboard it a train leaves the station and it takes 30 minutes to reach its maximum velocity once at maximum velocity train travels the next 6.30×10^2 km for the next 12.6 hours what is the acceleration of the train leaving the
asked by Luna 
math or chemistry
5.4 x10^2 by 2.5 x10^3 by 7.9 x10^3m volume = 106.65 x108m^3 Check pls yesterday you said 106.65 x10^6. If you add 2+3+3 you get 8 is that right? Just want to make sure I'm doing it right. Thank you. I may have witten it differently.
asked by lulu 
chemistry help
Which of the following is true of the solubility product constant? A. It is the product of the initial concentrations of the ions in a solution. B. It is an equilibrium constant. C. It is an equilibrium position. D. Its value changes in the presence of a
asked by emma 
chemistry
Which of the following is an ortho directing group? a) CN b) CO2Me c) OMe d) NO2 I have drawn most of them out, CN has no delocalised electrons to contribute e density hence EWG. For NO2 inductive effect is strong and hence is a EWG and meta directing.
asked by jess 
Physical Chemistry
5. Assume you have a 45°C 100g block of gold (cp=0.129J/g°C) and a 150°C , 150g block of silver (cp=0.240J/g°C)(1). You place these blocks into an adiabatic container in thermal contact. a. Calculate the final temperature b. Calculate the heat
asked by Anonymous 
science
the density of water approximately 1.00 g/mL. Would the piece of wood in the previous question (#1) float or sink
asked by brit 
Englsih
What action verb would you use to replace "got" in the following sentence? On his way home, he got run over. I am out of clues as to what action verb to use in this sentence. Please help me!
asked by Isabel 
chemistry
A 1.272 g sample of a mix Na2CO3 and NaHCO3 vol of 0.24 N HCl required for PP end point 26.92 ml after the addition 52.21 ml more of the HCl and boilling out CO2 the vol of 0.12 NaoH required to give a pink colour to the soln = 4 ml
asked by naara 
Science
How many moles of cacl2 would be used in making 0.5L of a 2M solution?
asked by Cece 
Math 201
Tickets. Revenue 0. 0 10. 50 20. 100 30. 150 40. 200 what is the linear equation in relation between revenue,R, and the number of tickets purchased,T. thanks for the help in advance. very much appreciated
asked by Stevie 
English
1. Though the baby was left alone, she didn¡¯t cry. 2. Left alone, the baby didn't cry. ====================================== Can #1 be changed into #2? In #1, the baby was a girl, but in #2, we cannot know the gender of the baby. In this case, what is
asked by rfvv 
chemistry
What happens to the following reaction at equilibrium if the pressure is decreased? 2H"subtext"2(g) + O"subtext"2(g) 2H"subtext"2O(g)
asked by emma 
Biochm
Match the following properties to the following amino acids. For each amino acid, choose a unique property. Methionine,F,Aspartate,Q,Glycine,ARG A.achiral(Glycine) B.aromatic(F) C.sulfur containing(Methionine) D.Acidic(Aspartate) E.Basic(ARG) F.Polar (Q)
asked by Emma 
Algebra
52 [5(2)+4(2)/ 3(3)+3(4)] my work : I did 5(2) + 4(2) and 10 +8 then the bottom _9 (12) = 2/24 I need major help! Don't know what to do with 52 even.
asked by sarah 
Chemistry
How does hybridisation of PCL5 change when it is decomposed to PCL3 and Cl2?
asked by Boron 
English
This was a question asked in our last test Either of her eyes  not work well. (Do, does, is) I answered 'do' but some of my friends say 'does' is the correct answer. Now I am really confused. Please someone help. What's the correct answer???
asked by A GOODSTUDENT 
Accounting
The company rents office space and on December 1 had paid 7200 to the landlord for 12 months' rent in advance.
asked by Danielle 
Math
1. what is the solution of 87 + (396)? A 183** B 183 C 9 D 9 2. Evaluate: 12 x 3 =? A 36 B 36** C 4 D 4 3. Evaluate: 20 ÷ 10 =? A 200 B 200 C 2 D 2*** 4. Select all the problems that have a solution that is negative. 8 + 10 = ? 8 x (2) +? 4
asked by Frank 
science
how Avogadros hypothesis applied to show molecular mass of volatile substances is twice of Vapour density?
asked by rina 
English
Where do you search to find materials in a public library? A.Reader's Guide B.ERIC Database C.Online Public Access Catalog I pick C for my answer.
asked by Tim 
Algebra
You borrow 1000 dollars you promise to pay 1780 dollars back in 4 years what is the percentage
asked by Latanya 
Science
Draw a circuit diagram of a circuit containing two cells in series, a closed switch,three identical light bulbs in parallel
asked by Pholelwa 
Chemistry
How many milliliters of a 0.48 M HCl solution are needed to react completely with 7.4 g of zinc to form zinc(II) chloride? Answer in units of mL.
asked by Sam 
English
1. I called Emily, walking along the river. 2. I called Emily while I was walking along the river. 3. I called Emily, and she(=Emily) was walking along the river. 4. I called Emily, and I was walking along the river.  Does #1 mean #2,
asked by rfvv 
math
what is the area inscribed in the quadrant of a circle of radius 7cm?
asked by florence 
math
A square is inscribed in a circle of radius 12dm. what is the area of the square?
asked by florence 
Science
how does the initial procedure compare to your updated procedure? What changes did you have to make? Why? How can I answer this question? Please help me... ;(
asked by CC 
English
It is important to evaluate information for... A. Purpose B.Authority C. Currency D.Accuracy E. All of the above I pick E. Please recheck my answer.
asked by Tim 
Chemistry
What is the name of the compound NO3. (Not NO3, nitrate)???? Please help!
asked by Ashley 
Algebra
2x+6 what is the rate of change between the two variables, what is the y intercept, can you Also answer these same questions for the equation y = 3x + 10
asked by Anonymous 
Math
How do you write this as an algebraic equation with two variables? Four times the number of cars less twice the number of trucks is 33? Thanks!
asked by Danielle 
Statistics
I have a bag with 2 different kinds of objects: 11 cubes, 16 spheres. If I randomly pick from the bag 5 of these objects without return any of it, what is the probability of getting at least 1 of each kind?
asked by Nathan 
Math 201H
Payments Balance 0. 14,000 1. 13,600 2. 13,200 3. 12,800 4. 12,400 5. 12,000 6. 11,600 based on the tabel, develop a linear equatiom for the amount of the car loan balance,B (in dollars) as a function of the number of monthly payments,P. B=
asked by Stevie 
math
what is the length of the distance between two corners of a box 3dm by 4dm by 5dm?
asked by florence 
s.g (math)
if a triangle with sides 12 unit and 5 unit is inscribed in a circle with BC as diameter, then find the value of sin square theta +cos square theta 1
asked by neha 
Math
find the constant of variation if y varies directly as x, and y=17 when x=24
asked by Tisa 
MAth
How to I put grouping symbol to make 1+4*3+33^22^2=28
asked by Person 
Geography
Why Delhi is known as union territory?
asked by Muskan 
math or chemistry
Check pls. 5.4 x 10^2 by 2.5 x 10^3 by 7.9 x10^3 m volume = 107.44 x 10^8 m^3
asked by lulu 
Astronomy
If a planet were orbiting the Sun in an orbit three times as far as its current orbit, how many times longer would it take the planet to go around the sun, as compared to its current rate of revolution? a. 3 b. 9 c. 1/3 as long Incorrect d. About 5.2 e.
asked by Astronomy 
Math
272 multiply 42 +272multiply 50+272multipy 8 and name the property applied on it
asked by Anonymous 
Biochm
The deprotonated form of the R group of cysteine. The ratio of protonated to deprotonated form depends on the pKa of the R group and the pH of the solution. => Select all the pH values at which the protonated form of the R group would predominate. 9.0 8.3
asked by Emma 
Math
I have a bag with 2 different kinds of objects: 11 cubes, 16 spheres. If I randomly pick from the bag 5 of these objects without return any of it, what is the probability of getting at least 1 of each kind?
asked by Nathan 
chemnad school computer application
Fin the sum of odd number between 100&200
asked by sadath 
math
what is the measure of one side of a square whose diagonal is 12cm?
asked by florence 
general adult education
some have more than a hundred some have none
asked by Anonymous 
Algebra
1+n ____ =4 4
asked by Tyler 
chimistry
hvorfor løsligheten av natriumsaltet til salsyre vann
asked by maria