Questions Asked on
January 31, 2013

Spanish Please help
Will somebody please help or translate these. Thank You 4. Which expression is used to talk about what you have just done? venir de hacer la tarea hacer un viaje acabar de 5. Vengo de la clase. ¿Qué acabo de hacer? Acabas de bailar. Acabas de bailas.
asked by Connor 
Algebra
Suppose a linear system of equations has 2012 equations and 2013 unknowns. Answer the following questions: Can the system be inconsistent? Can the system have a unique solution? Can the system have infinitely many solutions?
asked by Anonymous 
Differential Equations
Consider the differential equation: dy/dt=y/t^2 a) Show that the constant function y1(t)=0 is a solution. b)Show that there are infinitely many other functions that satisfy the differential equation, that agree with this solution when t0 [Hint: you need to
asked by Erica 
calculus 2
A tomato is thrown upward from a bridge 23 m above the ground at 40 m/sec. find acceleration, velocity, and height of tomato at time t. How high does the tomato go, and when does it reach its highest point?
asked by Rachel 
Calculus
If f(x)=sqrt(14x) a)find f' (x) b) find f'(4)
asked by Anonymous 
Calculus
If f(x)=[(6x^3)3]/x^4 a)find f' (x) b) find f'(4)
asked by Anonymous 
calculus 2
If a car goes from 0 to 100 mph in six seconds with constant acceleration, what is that acceleration?
asked by Rachel 
Calculus
Let f(x)= 6x+(4/x^2). then the equation of the tangent line to the graph of f(x) at the point (2,13) is given by y=mx+b. What is m and what is b?
asked by Anonymous 
Calculus
Let f(x)=5x^(1/4)(x^310). Evaluate f'(x) at the following points: a) f'(3) b) f'(5)
asked by Anonymous 
calculus 2
An object thrown in the air on a planet in a distant galaxy is at height s(t) = 20t^2 +67t +42 feet at time t seconds after it is thrown. a) From what height was the object thrown? b) With what velocity was the object thrown? c) What is the acceleration
asked by Rachel 
Differential Equations
For the following initial value problem: dy/dt=1/((y+1)(t2)) a)Find a formula for the solution. b) State the domain of definition of the solution. c) Describe what happens to the solution as it approaches the limit of its domain of definition. Why can't
asked by Erica 
calculus 2
An object falls off a 400foot tower. With g=32ft/sec^2, as at the Earth’s surface, the object would hit the ground after 5 seconds. What would the acceleration due to gravity have to be to make it reach the ground in half the time?
asked by Rachel 
math
the largest value of n for which 10^n evenly divides 2^9*15^2*35 is a)2 b)3 c)4 d)5 e)6
asked by adam 
Physics
A proton collides head on with a helium atom at rest. Their combined velocity after the collision is 8 x 10^5 ms^1. Calculate the initial velocity of the proton. *** HELP PO PLEASE!!
asked by Carolyn Bautista 
Physics
A proton collides head on with a helium atom at rest. Their combined velocity after the collision is 8 x 10^5 ms^1. Calculate the initial velocity of the proton. *** HELP PO PLEASE!!
asked by Carolyn Bautista 
Physics
A proton collides head on with a helium atom at rest. Their combined velocity after the collision is 8 x 10^5 ms^1. Calculate the initial velocity of the proton. *** HELP PO PLEASE!!
asked by Carolyn Bautista 
Algebra
The discount on a new computer was $110. This was a discount of 19%. What would a customer pay for the computer if a 3% sales tax was added to the sale price?
asked by Anonymous 
Maths
How can we find the antilogarithm of 9.485?
asked by Charles 
Chemistry
A sample of gas occupies a volume of 63.1 mL. As it expands, it does 130.4 J of work on its surroundings at a constant pressure of 783 torr. What is the final volume of the gas? I know that P= 1.03 ATM when converted. I think I'm supposed to use the
asked by Anonymous 
art
1. This style of painting is about expressing the artist's feelings. (1 point) geometric abstraction pop art abstract expressionism impressionism 2. This is one main ingredient of paint. (1 point) fresco pigment impasto glue 3. This term refers to a thick
asked by Anonymous 
biology
nerve fiber control over muscle or gland effector activity
asked by val 
chemistry
A 1.800 g sample of octane, C8H18, was burned in a bomb calorimeter whose total heat capacity is 11.66 kJ/°C. The temperature of the calorimeter plus contents increased from 21.12°C to 29.85°C. What is the heat of combustion per gram of octane? What is
asked by evgeny 
Math  Please Help
Solve the system xy = 1, x + y =a by using the identity (x  y/2)^2 = (x + y/2)^2  xy
asked by Barb 
English
He has stopped taking boxing lessons and goes to the ballet class. (In this sentence, what does 'class'mean? Does 'class' mean 'lesson'? Or does 'class' mean the 'class' as in ' He is a student of Class 11'?)
asked by rfvv 
chemistry
An organic compund has a molar mass of 178.3g/mol and contains 7.29% hydrogen atoms by mass. How many hydrogen atoms are in each molecule of this compound
asked by victoria 
math
A pharmacist mixes 14 ounces of 68% saline solution with 55% saline solution. If the final mixture is 62% saline, how many ounces of the 55% solution were used?
asked by Anonymous 
English
1. I go to the ballet class once a week. 2. I go to ballet class once a week. (Is #2 grammatcal? What is the difference between #1 and #2?)
asked by rfvv 
Math
I am not even I am greater than 200 the sum of my digits is nine i am a multiple of five I am less than 300 I am evenly divisible by nine
asked by Sania 
biology
property of muscle in which the strength of its contraction can vary from weak to strong
asked by val 
physics
heading due north at 6.00 m/s relative to the water. The local ocean current is 1.53 m/s in a direction 40° north of east. What is the velocity of the ship relative to the earth?
asked by bobby 
Chemistry
A researcher studying the nutritional value of a new candy places a 4.30gram sample of the candy inside a bomb calorimeter and combusts it in excess oxygen. The observed temperature increase is 2.77 °C. If the heat capacity of the calorimeter is 28.90
asked by Anonymous 
Math
A string is 12in. long which makes a rectangle area of 5sq.inch can you make a shape that has a greater area with the string, if so what's the shape and area.
asked by Anonymous 
physics
A body is allowed to fall from rest through a vertical height of 8.45 m. Gravitational acceleration is 9.8 mis2. Calculate the velocity of the body at the end of the fall.
asked by Mandy 
Math
Ted swimming in the middle lane of a pool he races to his father 3 lanes away( in the end lane) , how many lanes does the pool have?
asked by Anonymous 
Physics
A communcations satellite of mass 200kg is in circular orbit of radis 4x10^4 km measured from the center of the earth. What is the gravitational force on the satellite and what fraction is this of its weight on the surface of the earth?
asked by Carolyn Bautista 
science
An empty relative density bottle weighs 25g.it weighs 65g when filled with a liquid and 75g when with water.caculate the density of the liquid.
asked by Samuel 
physics
The relative Density of an alloy is 65.(a) find the mass of a solid alloy cube of side 20cm.(b) what vol of the alloy has a mass of 13kg? Please explain in details
asked by Samuel 
english
essay on "modernity is a question not of time but of outlook".What do u mean by this"
asked by zoanthus 
math
1.45% of 8434 is what
asked by raven 
Government
What does a city seeking aid often have to do to be eligible for Federal Government grants and loans ? A. It must prove it is not in debt. B. It must provide a master plan for future growth. C. It must choose new city leadership. D. It must become a
asked by Kingstone 
Math
This is math qustn plz help me to solve it bcz tmrw my test soreply soon as soon A box measures 60cm*52cm*40cm.find the area of the cardboards required to make 280 such boxes.
asked by Simon 
Math
This is math qustn plz help me to solve it bcz tmrw my test soreply soon as soon A box measures 60cm*52cm*40cm.find the area of the cardboards required to make 280 such boxes.
asked by Simon 
math  regression line  thank you
The question states: Plot the regression line from D = 40 to D = 300. My question: Do you extend the line beyond those 2 points (as in going towards the axis) or does the regression line just connect those 2 points like a line segment? Thank you
asked by Sejul 
maths
a sphere wall is 20mm thick, inside diameter is 10M. What is the mass of steel if the density is 7850Kgm3?
asked by Anonymous 
PHYSICS
WHAT IS OSMOSIS,MATTER,DIFFUSION AND GAS LAW
asked by AJALA OPEYEMI PUPSY 
Analytic Geometry
Find the equation of the circle touching the lines x+2y=4, x+2y=2 and y=2x5 Please I need help, its for my homework
asked by Lea 
life skill
Can you please tell me the names of the people who can be an inspiration for Time management communication hobbies self descipline technologies? These peoples should be famous and should be an example for the above qualities, separate peoples for separate
asked by zoanthus 
Chemistry
How many grams of lithium nitrate are needed to produce 100 grams of lithium sulfate when lithium nitrate reacts with lead (IV) sulfate to form lithium nitrate and lead (IV) nitrate
asked by Anonymous 
math
4.2%of8,343
asked by deb 
Analytic Geometry
Find the equation of the circle, with radius 1, tangent to the line 3x+4y=5 and having its center on the line x+2y=0
asked by xavier 
Chemistry
How many moles of P4O10 can be produced with 8.084e001 moles of the limiting reagent?
asked by star 
Chemistry
If Chelcy and Allyson reacted 2.55 grams of Mg with excess hydrochloric acid (HCl), how many grams of MgCl2 will they theoretically produce? Mg(s) + HCl (aq) → H2 (g) + MgCl2 (aq) ?g MgCl2
asked by star 
Chem 111
Why would NaOH solution need to be added when preparing the K2CrO4 stock solution
asked by Bandar 
Chemistry
calculate the enthalpy change for: (enthalpy of formation of aqueous sodium hydroxide is 469.60 kJ/mol. enthalpy of formation of liquid water is 285.8 kJ/mol) 2Na + 2H2O = 2 NaOH + H2
asked by Annie 
Biomedical Ethics
Can there be individuals who deserve moral consideration even though they have no moral responsibilities? This question is confusing to me for some reason.
asked by Ashely 
Visual Basic
what does IntTemp and IntRem mean? and whats wrong with my code, i don't know whats wrong with it... Code below: Dim intNum As Integer 'the numderator is read as a whole number. Dim intDenom As Integer 'the denominator is read as a whole number. Dim
asked by Jessica 
Geometryyes or no
10/4=18/x would you cross multiply then divide to solve this proportion?
asked by Corie 
science
CH3CH2CHO + 2Ag(NH3)2OH = CH3CH2COONH4+2Ag+H20+3NH3 yield of Ag obtained = 75% calculate minimum mass of propanal that must have been used to form 5g of silver
asked by Jonathan 
maths lit
a ball is dropped from a height of 2r1/3 meters. It bounces to 3/4 of the height from which it fell at each boune. A) determine the height the ball reaches after one bounce. B) how many bounces does it take to bounce less than 1 meter high??
asked by senzo 
chemistry
sodium metal dissolves im liquid mercury to form of NA(s) and Hg(l) are 0.97 g/ml and 13.6 g/ml respectively. a sodium amalgoum is made by dissolving 10 ml Na (s) in 20.0 ml Hg (l). The final volume of solution is 21.0 ml. Calculate the molarity of Na in
asked by masharat 
physical
A student is standing in the basket of a hot airballon which is moving upwards at a constant speed of 15 m.s.1.He leans over the edge of the basket and lets go of the sandbag which takes 5 seconds to reach the ground.what is the acceleration of the
asked by snothando 
algebra
Please tell me IF there is a solution to this question (or is it misprinted). Can this be solved? Jenny has 11 coins in her pocket, all of which are either nickels or dimes. If the value of the coins is 754, how many of each type of coin does she have?
asked by Vee 
algebra
How is this problem solved? It takes Bobby 60 minutes longer to wax the car than it does his brother Kevin. Together it takes them 50 minutes to wax the car. How long does it take each working separately?
asked by Vee 
music
I need to write a essay paper on the comparing Bouree by (Bouree in e minor for lute)and Bouree by Jethro Tull.
asked by Cornell 
maths
a verandha is 40m long and 15m it is paved with stone each measuring 6dm by 5 dm. find the number of stones required.
asked by sehajjot 
calculus
1) equation; sum= (1(1+i)^n / i 2) equation; sum= r(1+i)^1 + r(1+i) ^2 + r(1+i)^3 +...+ r(1+i)^(n1) + r(1+i)^n im suppose to simplify second equation into the first one but im messing up somewhere if anyone can tell me the first 34 steps i think i
asked by visoth 
physics
if 8100 calories are released from 200g of steam at 100C, how much of the steam condenses?
asked by Hannah 
Physics
what is the number of grams of steam at 100 degrees C that will condense as 5g of ice at 0 degrees C melts?
asked by Hannah 
algebra
Please help with: Express the system as an augmented matrix and solve using Gaussian elimination. x=+2y+z=3 2y+3z =2 x+2z = 1
asked by Vee 
Physics
How much energy is released when 1 gram of steam condenses to water at 100 degrees Celsius?
asked by Hannah 
algebra
Express the system as an augmented matrix and solve using Gaussian elimination. x=+2y+z=3 2y+3z =2 x+2z = 1
asked by Vee 
Physical science
9 mol HI(g)is sealed with H2(g)in an empty 2 dm container when equilibriup is reached by the reaction..H2(g)+I2(g)=2HI(g) at 130 C it found that there are 5 mol HI(g)in the equilibrium mixture.calculate the equilibriup constant
asked by Lillian nhlapo 
Math
Show that z/pq = 1/pr + 1/qr, where r = (p + q)/z Finding decmpositions of a fraction into 2 units as indicated on a paprus written in Greek.
asked by Barb 
algebra
Solve the system of equations by first writing it in matrix form and then using GaussJordan elimination. x4y =5 2x + 9y = 125
asked by Vee 
algebra
Solve the system of equations by first expressing it in matrix form as and then evaluating. a). 3x2y=5 4xy =10 b). 3x 2y =2 4x y = 3
asked by Vee 
General Chemistry
How many milliliters of 0.5M NaOH must be added to 200 mL of 0.1M NaH2PO4 to make a buffer solution with a pH of 6.9?
asked by Joanna 
science
a playe rthrows ball from a height of 1.5 m above ground above ground with intiial velocity of 20 m/s at an angle of 60. the time req. tp hit the walll and at what height
asked by pravee 
Physics
how much heat energy needed to convert 125g ice 27 deg C to 50 deg C
asked by Zach 
physics
dipole consisting of charges 300 apart, is placed between two very large (essentially infinite) sheets carrying equal but opposite charge densities of 140
asked by Anonymous 
math
find d value of * in given equation
asked by 100=15(1+9/100)*+15 
Differential Equations
Consider the differential equation: dy/dt=y/t^2 a) Show that the constant function y1(t)=0 is a solution. b)Show that there are infinitely many other functions that satisfy the differential equation, that agree with this solution when t0 [Hint: you need to
asked by Erica 
English
In classifying this sentence. We (SP) returned (v) to (p) camp (adv) early (adj) today (op). (declarative)Is this correct? or is it to (p) camp (op) early (adj?
asked by Jimmie 
Differential Equations (Another) Cont.
For the following initial value problem: dy/dt=1/((y+1)(t2)) a)Find a formula for the solution. b) State the domain of definition of the solution. c) Describe what happens to the solution as it approaches the limit of its domain of definition. Why can't
asked by Erica 
Accounting
Holly County needs a new county government building that would cost $24 million. The politicians feel that voters will not approve a municipal bond issue to fund the building since it would increase taxes. They opt to have a state bank issue $24 million of
asked by Brooke 
English
In the book "From the land I lost" by Huynh Quang Nhuong, To what does the title of this selection refer?
asked by T.J And the Vibe 
human development
which one of the following expressions best illustrates overregularization?
asked by janet 
English
Essay: more than a thousand people are killed in road accidents during december holiday.how can this carnage on our roads be stopped?
asked by Mahlangu beauty 
WAN
Provide a hypothetical situation for each signal type that illustrates how it could be, or is being, used in a WAN. In what circumstance, for example, would a company choose to use a satellite signal
asked by Marty 
physics
When water freezes, it expands about 8.60%. What would be the pressure increase inside your automobile engine block if the water in it froze? The bulk modulus of ice is 2.00 * 10^9 N/m2.
asked by Anonymous 
Finding the Activation Barrier
Q: A reaction rate has a constant of 1.23 x 104/s at 28 degrees C and 0.235 at 79 degrees C. Determine the activation barrier for the reaction. A: My work thus far: ln(1.23 x 104/0.235)=(Ea/8.314)(1/791/28) 7.551=(Ea/8.314)(0.012650.03571)
asked by Amy 
math
1. Which of the following expressions is written in scientific notation? 1. 73.4 x 105 2. 0.09 × 107 3. 80 x 103 4. 4.22 x 10–3 2. Which of the following is 0.0000000708 written in scientific notation? 1. 7.08 x 10–8 2. 7.8 x 10–8 3. 708 x 10–10
asked by ruby 
physics
From her bedroom window a girl drops a waterfilled balloon to the ground, 3.3 m below. If the balloon is released from rest, how long is it in the air?
asked by Anonymous 
science
nerve fiber control over muscle or gland effector activity
asked by val 
Algebra
Evaluate the expression.(50) How do I solve this expression? Can you show work. Thanks.
asked by Mike P 
science
property of muscle in which the strength of its contraction can vary from weak to strong
asked by val 
Literature
I need help doing a chapter by chapter analysis of the short story Flags Waving by Carolyn Steele Agosta
asked by Linda 
Movement & Music
Children who do poorly in school are primarily ________ learners. a. auditory b. kinesthetic c. spatial d. visual I think C is correct..
asked by Cyn 
Movement & Music
A movemnt program that emphasizes divergent prolem solving, discovery, and selfexpression to foster creativity utilizes the _______ teaching method. a. command instruction b. direct instruction c. exploration d. guided discovery I chose D...
asked by Cyn 
social studies
Which one of the following types of information are people least comfortable revealing to professionals? A. Medical B. Financial C. Legal D. Emotional My choice is A.
asked by phia 
Education/Technology
A teacher in 1975 would have used what technology to create handouts for his or her students? A) Ditto duplicator. B) Laser printer. C) Copy machine. D) Scan converter. I want to say C but would like a second opinion.
asked by Lor 
Intro to Computer Engineering
When solving 5x^250x+125=0, a space alien got x=8 for one of the two roots. What possible base could the alien be using? (Note: the coefficients are also in this base. That is 5,50,125 are all in this mystery base as well)
asked by Joe 
Maths
What is the present value of a 6 month Certificate at a simple interest rate at 14% compounded monthly?
asked by Shervonne Hollis 
Math/Physics
Two identical tuning forks have frequencies of 512 Hz. If one is held by a listener while the other approaches at a speed of 7.2 m/s, what does the listener hear?
asked by lindsey 
Physics
A puck is moving on an air hockey table. Relative to an x, y coordinate system at time t = 0 s, the x components of the puck's initial velocity and acceleration are v0x = +0.8 m/s and ax = +0.9 m/s2. The y components of the puck's initial velocity and
asked by Dee 
Chemistry
I am trying to determine which protein (in a given list) will stick most tightly to a cation exchange column at pH 7. I am unsure how to go about solving this.. We are given molecular weight, isoelectic point, and number of subunits for each protein. Where
asked by Lisa 
Chemistry
I am trying to determine which protein (in a given list) will stick most tightly to a cation exchange column at pH 7. I am unsure how to go about solving this.. We are given molecular weight, isoelectic point, and number of subunits for each protein. Where
asked by Lisa 
science
Which example below provides a complete scientific description of an object in motion? A The marble changed position quickly B The car traveled north C The marble moved 30 cm north in 6 seconds D The ball rolled 20 cm in 5 seconds
asked by Misty 
eng
i need to get a good these statement of the poems el olvido and quinceanera by judit ortiz cofer. I need to analise them how can a do it?
asked by yay 
FURTHER MATHS
STATE THE LINEAR APPROXIMATION FOR: (2.04)raise to power 5
asked by FLORENCE 
business
Late payment of medical claims can add to the cost of health care. An article (M. Freudenheim, “The Check Is Not in the Mail,” The New York Times, May 25, 2006, pp. C1, C6) reported that for one insurance company, 85.1% of the claims were paid in full
asked by lou 
Chemistry
Calculate the halflife (in s) of a firstorder reaction if the concentration of the reactant is 0.0655 M 18.4 s after the reaction starts and is 0.0173 M 41.2 s after the reaction starts. I got 25.6 Suppose the halflife is 23.7 s for a first order
asked by Anonymous 
Literature
I am desperate for help with this assignment...a short chapter by chapter analysis of the book The Secret Life of Bees by Sue Monk Kidd.I need to summarize the plot of each chapter, include what I found out about the characters in each chapter, list any
asked by Karen 
Calc
Find the dimensions of a rectangle of maximum area with sides parallel to the coordinate axes that can be inscribed in the ellipse given by x^2/169 + y^2/49 = 1. What would be the primary equation?
asked by Lost One 
algebra
How do go about solving a equation symbolically 3x+7 + 3x7 =8 4. 5. 5
asked by Anonymous 
Calc
Which of the following represents the actual change in the value of y when the value of x has changed in f(x)? delta y dy f'(x) f'(x)dx
asked by Lost One 
physics
A golfer hits a shot to a green that is elevated 3 m above the point where the ball is struck. The ball leaves the club at a speed of 16.1 m/s at an angle of 41.1° above the horizontal. It rises to its maximum height and then falls down to the green.
asked by Dee 
physics
A positively charged glass rod is brought close to a neutral sphere that is supported on a nonconducting plastic stand. Sketch the distribution of charges on the sphere if it is made of: a) Aluminum b) Nonconducting plastic
asked by julie 
MATH
Identify the solution(s) of the system of equations, if any. 3x2y=6 5x=525y a) (28/13, 3/13) b) (3/17, 32/17) c) (32/17, 3/17) d) (32/9, 7/3)
asked by Anonymous 
Analytic Geometry
What is the equation of the circle touching the lines x3y11=0 and 3xy9=0 having its center on the line x+2y+19=0
asked by xavier 
Analytic Geometry
What is the equation of the circle touching the lines x3y11=0 and 3xy9=0 having its center on the line x+2y+19=0
asked by xavier 
MATH
Identify the solution(s) of the system of equations, if any. x=1 y=1 a) no solutions b) (0,0) c) (1,1) d) infinitely many solutions
asked by Anonymous 
MATH
Identify the solution(s) of the system of equations, if any. a) (1, 0.5) b) (0, 5.1) c) (5,5.5) d) (5/11, 2/11)
asked by Anonymous 
Chemistry
What is the largest amount of H2O in grams that can be formed when 6.10 g of H2 reacts with 6.10 g of O2, based on 2 H2 + O2 = 2 H2O
asked by Thad 
Physics
A mountainclimbing expedition establishes two intermediate camps, labeled A and B in the drawing, above the base camp. What is the magnitude Δr of the displacement between camp A and camp B?
asked by B 
Chemistry
MIke and Shayne reacted sodium chloride with silver nitrate as indicated in the reaction below: AgNO3(aq) + NaCl(aq) → AgCl (s) + NaNO3 (aq) The actual yield of their silver chloride was 0.365 g. According to their calculations, they should have
asked by Thad 
chemistry
If 145 J of heat energy is applied to 34.47 g of an unknown metal, the temperature increases from 61.0 degree C to 78.5 degrees C. What is the specific heat capacity of the unknown metal?
asked by Max 
Physical science
A create is pulled across a horizontal surface with a force of 100N which makes an angle of 30 degrees with a horizontal.(a)draw a diagram of the horizontal and vertical components of the force.(b)resolve the force in its parallel and
asked by Nomagcina 
Chemistry
At what temperature will the rate constant for the reaction have the value 6.5×10−3 M/s? (Assume k = 5.4 * 10^4 M/s1 at 599K and k = 2.8 * 10^2 M/s at 683K .)
asked by Lisa 
Math PLZ HELP
1. Which of the following expressions is written in scientific notation? 1. 73.4 x 105 2. 0.09 × 107 3. 80 x 103 4. 4.22 x 10–3 2. Which of the following is 0.0000000708 written in scientific notation? 1. 7.08 x 10–8 2. 7.8 x 10–8 3. 708 x 10–10
asked by SAMHAM 
Physics
Water has a mass per mole of 18.0 g/mol, and each water molecule (H2O) has 10 electrons.
asked by Anonymous 
math
A 6 ft tall person cast a shadow 15 ft long. At the same time a nearby tower casts a shadow 100 ft long. Find the height of the tower.
asked by april 
Physics
3. An astronaut lands on an alien planet. He places a pendulum (L = 0.200 m) on the surface and sets it in simple harmonic motion, as shown in this graph. Answer the following questions: a. What is the period and frequency of the pendulum’s motion? b.
asked by Matt Damen 
math
A particle started from the origin and the components at time t are 2t+3 and 4t.find the path
asked by Danjuma 
physics
A golfer hits a shot to a green that is elevated 3 m above the point where the ball is struck. The ball leaves the club at a speed of 16.1 m/s at an angle of 41.1° above the horizontal. It rises to its maximum height and then falls down to the green.
asked by Dee 
math
I have rabbits abd chickens. Between them, I count 35 heads. How many rabbits and how many chickens do I have?
asked by Noah 
physics
In a marathon race, Chad is out in front, running due north at a speed of 3.92 m/s. John is 92 m behind him, running due north at a speed of 4.33 m/s. How long does it take for John to pass Chad?
asked by Dee 
Differential Equations
Consider the differential equation: dy/dt=y/t^2 a) Show that the constant function y1(t)=0 is a solution. b)Show that there are infinitely many other functions that satisfy the differential equation, that agree with this solution when t0 [Hint: you need to
asked by Erica 
Chemistry
Which ligand binds the tightest? Ligand A, with a Kd of 10^9M Ligand B, with a Kd of 10^3M Ligand C, with a percent occupancy of 30% at one micromolar Ligand D, with a percent occupancy of 80% at 10 nm
asked by Patrick 
Physics
Calculate the pH of a solution obtained by mixing 100cm3 of 0.1M HCl and 100cm3 of 0.2M NaOH
asked by Amarachukwu 
Physics
Calculate the pH of a solution obtained by mixing 100cm3 of 0.1M HCl and 100cm3 of 0.2M NaOH
asked by Amarachukwu 
Physics
This is a 2 part question, and I'm fine on part 1. However, for background info, here is part 1: A motorcycle racer traveling at 145km/h loses control in a corner of the track and slides across the concrete surface. The combined mass of the rider is 243kg.
asked by A 
Lang Arts
9. Which one of these doors _____ the most promising? seem seems 10. _____ there hazards to look out for? Isn't Aren't
asked by Jman 
math 4th grade
adding and subtracting mixed numbers in lowest terms; 5 1/2  2 4/5, I got as far as 3 46/10 but don't know how to break it down into lowest term.
asked by Jared 
math
a baker made 100 dozen cookies she sold 3/5 of them before noon how many dozen were sold before noon
asked by tiffany 
algebra 1a
12 + y  36 + w
asked by Josh 
math
convert the improper fraction to a mixed number 11/9.
asked by Jared 
physics
A hotair balloon is rising straight up with a speed of 6 m/s. A ballast bag is released from rest relative to the balloon at 7 m above the ground. How much time elapses before the ballast bag hits the ground?
asked by Dee 
math
change a mixed number to an improper fraction 8 1/2,
asked by Jared 
English
in great expectations what is ironic about miss. jones not going to church
asked by Anonymous 
Science
an idea that is based on many detailed observations _ _ E _ _ _ a part of an organism that can be used for identification _ _ _ _ _ _ _ R _
asked by Anna W. 
discrete
we have 20 kinds of presents. we want to give 12 children presents but each child doesn't need to get one. No child can get 2 copies of the same present. in how many ways can we give presents? please explain! the answer is (2^20)^12 but i don't see why
asked by ali 
Differential Equations
For the following initial value problem: dy/dt=1/((y+1)(t2)), y(0)=0 a)Find a formula for the solution. b) State the domain of definition of the solution. c) Describe what happens to the solution as it approaches the limit of its domain of definition. Why
asked by Erica 
math
add mixed numbers in lowest terms 3 3/5 + 1 1/2= what in lowest terms
asked by Jared 
Physics
A hydraulic ram is a device that uses the pressure created by a large amount of water falling a small distance to raise a portion of that water to a much greater height. It is suitable in valleys where springs feed a stream below, where farms needing
asked by Ravin 
Physics
All I need is the formula for this. Can't remember it or what it's called, then I can solve it, thank you! The second harmonic of a guitar string has a frequency of 120 Hz. What is the length of the guitar string if the speed of the waves on the string is
asked by unknown 
Physics?
the total massenergy of one pound of anything is about how many joules
asked by George 
Physics
A 6.00 cm tall candle is placed at a distance of 30.0 cm from a double convex lens having a focal length of 15.0 cm. How tall is the image?
asked by Anonymous 
Maths
If eight 5p coins weigh 26g how much does three 5p coins weigh?
asked by Brooke 
Physics
Two small aluminum spheres, each having mass 2.65×10−2 , are separated by 85.0 . How many electrons would have to be removed from one sphere and added to the other to cause an attractive force between the spheres of magnitude 4.00×104 (roughly four
asked by Julie 
Physics
A metal sphere has a charge of 6 µC. How many excess electrons are there on the sphere?
asked by anonymous 
Physics
A baseball is hit with a speed of 29.0{\rm m/s} at an angle of 44.0{\rm ^\circ} . It lands on the flat roof of a 10.0{\rm m} tall nearby building. If the ball was hit when it was 1.4{\rm m} above the ground, what horizontal distance does it travel before
asked by Anonymous 
math
Identify the solution(s) of the system of equations, if any. 3x + 2y = 4 5x  4y = 3 a) (1, 0.5) b) (0, 5.1) c) (5,5.5) d) (5/11, 2/11)
asked by Anonymous 
health
the food group pyramid presents daily recommendations for: a.kind and amount of food to eat each day b.minimum amounts of nutrients needed c.amounts of each nutrient to consume daily d.maximum safe nutrient intakes Is it a? I am not sure
asked by ray 
Physics
Air is vibrating in a tube (closed at both ends) at its fundamental frequency of 160 Hz. If the tube is filled with helium instead, what is its fundamental frequency? Use 1020 m/s for the speed of sound in helium.
asked by lindsey 
science
how much water can dissolve in 700ml of water at 50 c?
asked by k 
Mathematics
Linear inequality, 2x+6 < 5(x3)
asked by Zico johnny 
algebra
Please help. Solve the given system of equation. 3x Y =7
asked by Vee 
History
what type of foreign policy did united states adopt after world war 1
asked by Florence 
Algebra
1. What is the equation an ellipse with foci at (0, ±2 √10 ) and xintercept at (9, 0)? 2. What is the equation of an ellipse with foci at (±4, 0) and a minor axis of length 6?
asked by Mitchel 
math
Six hundred people came to the band concert that was held on the school's athletic field. half of the people sat in the bleachers. one third of the people sat in chairs on the track. the rest of the people sat on the grass. How many sat on the grass? In
asked by Anonymous 
calculus 1
If f(x) = 9x2 − x3, find f'(2) and use it to find an equation of the tangent line to the curve y = 9x2 − x3 at the point (2, 28).
asked by monic 
calculus 1
particle moves along a straight line with equation of motion s = f(t), where s is measured in meters and t in seconds. Find the velocity and speed when t = 6. (Round your answers to two decimal places.) f(t) = t−1 − t velocity m/s speed m/s
asked by monic 
science:Chemistry
Find the pH of a solution obtained by mixing 100cm3 of 01MHCl solution with 100cm3 of 0.2M NaOH
asked by Anonymous 
algebra
PLEASE help. Solve the system of equations by first expressing it in matrix form as and then evaluating. a). 3x2y=5 4xy =10 b). 3x 2y =2 4x y = 3
asked by Vee 
science
If you start with 0.054 M I2 at this temperature, how much will remain after 5.42 s assuming that the iodine atoms do not recombine to form I2?
asked by Hannah 
Math
7/12 + 7/12 please explain how to do this problem.
asked by Kim 
smitty
is 8m cubed  25 prime?
asked by johnson 
Math
Use fraction strips to find each sum or difference. Simplify if possible. 2 1/3 + 1 2/3 3 5/6 + 4 3/6 4 6/10+ 5 7/10 1 1/6 + 3 5/6 2 4/9 + 6 7/9
asked by Robert 
algebra
For given the following piecewise function find the domain and range F(x) ={ 2x + 4 for x< 3} {1 for 3¡Ü x ¡Ü4} { x 1 for x > 4}
asked by Mary 
algebra
Please help me. Find the equation of the line satisfying the indicated properties. Express your answer in slopeintercept form. Passing through point (2, 4) and perpendicular to the line containing points (3, 1) and (5, 1).
asked by Vee 
union chaple
the diameter of a quarter is close to 25 millimeters. what is the of a row quarters whose total value is $10.00
asked by alessa 
math8
20(12x)=38 and 5(3cc)+3=43
asked by Anonymous 
Math
If Im naming fractions are these fractions in the right order from least to greatest? 1/4 1/3 1/2?
asked by Jerald 
algebra
Solve the equations symbolically. 3x+7/4 + 3x7/5 =8/5 6(7x1)+5=24+3x How do I go about solving them?
asked by Anonymous 
Logarithms (math)
how do you solve for x 3.4e^(22n)9=4 I don't know what is the step by step process. Help please!
asked by Jessica 
science
what are the steps of the scientific method in order?
asked by shoahnur 
Physics
Two identical balls each have a charge of 7.5x10^6C. The balls hang from identical strings that are 8‹ from the vertical because of the repulsive force between the charged balls. The balls are separated by a distance of 10cm. What is the tension in
asked by Physics... 
Math
From least to greatest would it be 1/8 1/6 1/4 1/2?
asked by Jerald 
math
alexs family ate 1 7/8 pizzas for dinner.which shows this mixed number written as a fraction greater than one?
asked by Savanah 
math
Identify the solution(s) of the system of equations, if any. x=1 y=1 I think it is C but not 100% sure.... just seems to easy a) no solutions b) (0,0) c) (1,1) d) infinitely many solutions
asked by Anonymous 
math
Complete the division sentences and then write a full multiplication equation. (#5) 5 ÷ 1/7 = (#6) 4 ÷ 1/8 = Please help me.
asked by Anonymous 
physics
A light bulb is placed 17.1 cm in front of a concave mirror. When the concave mirror is replaced by a plane mirror in the same location, the bulb's image moves 6.60 cm closer to the mirror. Calculate the focal length of the concave mirror.
asked by Anon 
Physics
A soccer ball is released from the top of a smooth incline. After 3.80 s the ball travels 9.1 m. One second later it has reached the bottom of the incline. Assume the ball's acceleration is constant and determine its value ( m/s2)
asked by Thomas 
math
the product of three consecutive integers is 22 less than the cube of the middle integer. Find the integer.
asked by jamie 
3rd grade math
use a table and play money to solve the problems. item prices: postcard($1.13), keychain($3.87), park ranger patch($5.33) and stuffed animal($8.79). Jamie spent $5.00 on postcard and key chain, Darla sepent $9.20 on park ranger patch and key chain and
asked by mythreyee 
math
Write a number story for the expression, and solve it. 3 ÷ 1/4 = Please help me.
asked by Anonymous 
Physics
Two sinusoidal waves with the same amplitude of 9.11 mm and the same wavelength travel together along a string that is stretched along an x axis. Their resultant wave is shown twice in the figure, as valley A travels in the negative direction of the x axis
asked by Anonymous 
Organic Chemistry
Why is the melting point of a known compound (ex. acetanilide) determined before the melting point of the unknown compound? I think it is to determine if the unknown is a pure substance but I am not sure..I just need to be pointed in the right direction.
asked by Zach 
Geometry8th gr
IF 3a =2b and 4b=9c, find the ratio of a to c in simplest form and show steps.
asked by Mona 
Physics
Two sinusoidal waves with the same amplitude of 9.11 mm and the same wavelength travel together along a string that is stretched along an x axis. Their resultant wave is shown twice in the figure, as valley A travels in the negative direction of the x axis
asked by Anonymous 
Geometry8th gr
The geometric mean x of two numbers is the positive value of x that satisfies the proportion a/x =x/b, where a and b are given. Find the geometric mean of 16 and 9.
asked by Mona 
math
A square table with an area of 25 sq ft is pushed together with a rectangular table with an area of 40 sq ft. What is the perimeter of the new table?
asked by Estrella Ramos Lopez 
Geometry8th gr
Can you please help me with this question? 1.) Given: triangle ABC ~ triangle XYZ, m
asked by Mona 
Math
Gracie pattern of increasing perfect squares is shown 25,36,,64,81,100. What number does she need to to square to find the missing term? 5, 6,7,8
asked by Sunny 
math
The question states: Plot the regression line from D = 40 to D = 300. My question: Do you extend the line beyond those 2 points (as in going towards the axis) or does the regression line just connect those 2 points like a line segment?
asked by Sejul 
Macroeconomics
If the economy is at point C what is the cost of one more automobile? One more forklift?
asked by Grace 
Science  Waves  Sci. Notation
I know that the formula to calculate the speed of light is c=fλ. F is the frequency, c is the speed, and λ is the wavelength. So how do I calculate the wavelength of a purple light with a frequency of 750 * 10^12 HZ. Frequency is measured in HZ. The
asked by Jamia 
Physics
Two pendulums are set up side by side. One pendulum P, consists of a 0.240 kg mass that is suspended on a string that is 65.0 cm long. The other pendulum, Q, has a 0.360 kg mass that is suspended on a string that is 39.0 cm long. The two masses are pulled
asked by Steve 
Probability
A number cube has six faces numbered 1 to 6. John tossed two number cubes several times and added the number each time.
asked by Amy 
Physics
A block of wood (10kg) at rest is hit by a bullet (50g) that embeds itself in the block and causes both to now move at 2.7m/s eastward. What is the initial velocity of the bullet?
asked by Sydney 
Math
Find the area for the circle (use 3.14 for pi). Show your work. Round to the nearest tenth. the radius is 23 yd 22. Find the circumference of the circle (use 3.14 for pi). Show your work. Round to the nearest tenth. the raduis is 23 yd
asked by Jman 
Math
Carl has three lengths of cable,5/6 yard long,1/4 yard long and 2/3 yard long.he needs at least one yard of cable. Which two pieces together Make a k Length at least 1 yard and closest to one yard
asked by Sue 
math
What is equivalent to 11/22
asked by alina 
math
What is equivalent to 11/22
asked by alina 
math
Explain how you can use multiplication to find the perimeter of a square
asked by ryan 
Help me
11. Name the triangles that are classified by angles. right, scalene, isosceles scalene, isosceles, equilateral acute, right, obtuse obtuse, isosceles, acute 12. Classify the triangle by side length and angle measurement. scalene, acute isosceles, acute
asked by Jman 
MATH
PAM HAS A BOX IN THE SHAPE OF A RECTANGULAR PRISM. THE HIGHT IS 14 1/2 INCHES, THE WIDTH IS 6 1/2 INCHES AND THE LENGTH IS 10 1/2 WHAT IS THE VOLUME OF THE BOX?
asked by zair 
Physics
6.9kg/m3
asked by Esther 
Averages
Find the average. 39, 47, 52 I got an answer of 46. Is this correct?
asked by Chrissy 
Physics
If a 60 kg meteor falls to earth from a great distance. How much gravitational potential energy does it lose? (the energy PE is 0 at a great distance). What happens to this potential energy? FinalInitial=Gmm/r0=change in energy
asked by Brittany 
Math
Bill makes $1.50 each day from his paper route. How much money will he make if he delivers papers for 30 days?
asked by Keicia 
Science 8R  HW Qs. Check
How long does it take the earth to rotate on its axis? my answer  365 days right????
asked by Laruen 
Science 8R  HW Qs. Check (#2)
How long does it take the earth to revolve around the sun? my answer  365 days right????
asked by Laruen 
East
I need an equation that has something to do with the role of static friction in the design of tires
asked by Jess 
edu
a teacher can be affectionate and still regard a child with objectivity,which is not possible for a parent. According to Katz this ____ is what distinguishes between mothering and teaching. a. scope of responsibility b. ambivalent attachment c. intensity
asked by ray 
Social Studies
Where can I find a National News Article?
asked by Jessica 
6grademath
Pattern of increasing perfect squares is shown25,3664,81,100,what is needed to square to find the missing term,5,6,7,8.....how do I find the answer.
asked by Sunny 
physics
Find the position and velocity of a particle at t = 1.92 s if the particle is initially moving east at a speed of 18.4 m/s and experiences an acceleration of magnitude 3.96 m/s2, directed west.
asked by Meg 
math
What is the formula for volume?
asked by Jessica 
6grademath
Thanks Ms.Sue
asked by Sunny 
science
Where can I find an article about the flu virus?
asked by Jessica 
Math 8R  HELP!
MultiStep Equations Systems of Equations x + y = 0 5x + 2y = 3 this is what i got so far.... x + y = 0 > x = 0  y 5x + 2y(0y) = 3 please help!!!!
asked by Lauren 
chemistry
A gas has a volume of 590mL at a temperature of 55.0C What volume will the gas occupy at 30.0C Can someone help me?
asked by lee 
english communication
1. Good writing costs companies money and these costs increase significantly if the communication is ineffective. Which of the following pairs would NOT be two additional costs to the company if written communication is poor? A .Paper and wasted time B.
asked by Lisette 
English 8R  help!
Have anyone watch "Forrest Gump"? (please answer this question...I need help with something)
asked by Lauren 
Math
Peanuts sell for $3.00 per pound. Cashews sell for $6.00 per pound. How many pounds of cashews should be mixed with 12 pounds of peanuts to obtain a mixture that sells for $4.20 per pound?
asked by Rachel 
math
2(n+3}
asked by keith 
Algebra
Use the given information to find the original price: Retail Price $99 Markup percent 80%
asked by PLEASEEEE PLEASEEEE 
science
1. Oxygen moves easily out of blood capillaries into cells because ___________. (1 point) the walls are very thin because it is very small because other gases push it out cells need the oxygen 2. Which of the following statements is false? (1 point)
asked by Anonymous 
Chemistry
For the theoretically perfect reaction 2H² +O²2H²O if you react 300 molecules pf hydrogen and 200 molecules of oxygen, how many oxygen molecules will you have that do not engage in the reaction? Answer 50, 100, 150, or 200?
asked by Help!! 
Business English
With increased market globalization,intercultural competence A. becomes less of a challenge. B. is aided significantly by advanced technologies such as faxes, overnight delivery, and email. C. reduces the chances of interacting with people who speak
asked by Lisette 
PreCalculus
A pomegranate is thrown from a ground level straight up into the air at time t = 0 with velocity 67 feet per second. Its height at time t seconds is f(t)=16^2+67t. (a) Find the time it hits the ground and (b) the time it reaches its highest point. (c)
asked by Becky 
Finance
An investment pays 9 percent interest compounded semiannually. What is the effective annual interest rate?
asked by Tanya 
Math
A pot contains 6 liters of brine at a concentration of 120g/l. How many liters of the water should be boiled off so that concentration of the brine is 200g/l.
asked by Barry 
Chem
A researcher explores the ideal gas equation. He measures the pressure of a system at different temperatures ( keeping the volume and moles of the gas constant) and creates a plot of P versus T. What is the slope of the line that results if the volume is
asked by Kim 
Math
On a graph how would I fill out the missing spaces? _ _ _ _ 1 _ _ _ _ 2 _ 1/8, 1/6, 1/4, 1/2, 1, 1 1/8, 1 1/6, 1 1/4 ,1 1/2, 2, 2/8?
asked by Jerald 
Chemistry
If you have 1 mole of baking soda (NaHCO³), then about how many atoms of oxygen do you have?
asked by Help!! 
math
a helicopter blade spins 775 times in 3 minutes. find the rate of the revolutions per second.
asked by ashley 
social studies
Where could I find an article about gun control?
asked by Jessica 
Algebra
The sum of two consecutive integers is 15. what is the product of the two integers?
asked by Anonymous 
chemistry
how many valence electrons does copper (Cu), nickel (Ni), and cobalt (Co) have?
asked by Brailee 
Math
A manufacturer of softdrinks advertises that their orange soda as "naturally flavored," although it contains only 5% orange juice. A new federal regulation stipulates that to be called "natural" a drink must contain at least 10% fruit juice. How much pure
asked by Barry 
Math
In a clinical trial, a drug used to relieve pain caused side effects in 7% of the patients who took it. For a new trial, two patients were selected at random. Find the probability that neither of the patients had side effects
asked by Jessie 
Chemistry
I am trying to study for my chem test but I don't get how to answe this question A researcher explores the ideal gas equation. He measures the pressure of a system at different temperatures ( keeping the volume and moles of the gas constant) and creates a
asked by Please help 
Math 8R  HELP!
2x + 3y = 6 4x + 6y = 12 please help (I DO NOT want to discuss the other problem...)
asked by Lauren 
Algebra
The sum of two consecutive odd integers is 24. Which equation can be used to find the first integer n? F. n + 1=24 G. n + 2=24 H. 2n + 1=24 I. 2n + 2=24
asked by Anonymous 
Chemistry
What is the molar volume of the gas ammonia (NH³) at STP?
asked by Help!! 
Chemistry
What volume does 0.25 moles of oxygen gas occupy ar STP?
asked by Help!! 
Business English
You are a technical writer in a large company, working on a training manual to help new users learn the companys computer system. Employees will use your manual in training seninars taught by your company's trainers. The manual will also serve as an on the
asked by Lisette 
Urgent need help on chem please someone
A researcher explores the ideal gas equation. He measures the pressure of a system at different temperatures ( keeping the volume and moles of the gas constant) and creates a plot of P versus T. What is the slope of the line that results if the volume is
asked by Kim 
science
An object is projected vertically upwwards at 8 meters per second from the roof of a building which is 60 meters high.it strikes the balcony below in 4 seconds.What is the velocity at which the object strikes the balcony?
asked by peter 
organic chem
i. imgur. com/J6VpPrc. png what is the mechanism (electron pushing) of this reaction?
asked by k 
Chemistry
How do I calculate the joules to heat 17 g of water from 22 degrees C to 78 degrees C?
asked by Samantha 
science
Earthquake energy travels through rock as?
asked by Anonymous 
calculusmax & min
an open box with a square base is to be constructed from 48 square inches of material. What dimensions will produce a box with maximum volume?
asked by Pat 
Physics
In the figure below, an electron is moving rightward between two parallel charged plates separated by distance d = 2.40 mm. The particle is speeding up from an initial speed of 3620 km/s at the left plate. ｜ ｜ ｜ ○→
asked by ann 
Business English
Who is the primary audience for a company that cans and markets pet food? A. suppliers of the food product b. vetenarians and hospitals c. pet owners d. cats and dogs I say C
asked by Lisette 
To Jessica
I have now corrected two of your replies in which you gave incorrect solutions. Unless you know what you are doing, please don't answer any questions dealing with topics not familiar to you . I know everybody makes mistakes, I make my share, but those are
asked by Reiny 
Simple Math
A drawer contains 8 red socks, 4 white socks, and 2 blue socks. Without looking, you draw out a sock, return it, and draw out a second sock. What is the probability that the first sock is white and the second sock is blue?
asked by Jessica 
Math
The markup on a used car was at least 20% of its current wholesale price. If the car was sold for $5900, what was the maximum wholesale price? (Give your answer correct to the nearest dollar.)
asked by Jenny 
Math
The area of a rectangle is 12 and the width is 3/4 the length. What are the dimensions?
asked by Barb 
math
cynthia ate 1/4 of the pizza. if the pizza has egiht slices how many slices left?
asked by jerimiah 
History
"They [Jackson and his supporters] see nothing wrong in the rule that to the victor belong the spoils of the enemy." William Learned Marcy of the U.S. Senate What did Marcy mean by the "spoils of the enemy"?
asked by Emma 
Physical Science
What is the acceleration of a car that moves from rest to 15.0m/s in 10.0s ?
asked by Deirdre 
Simple Math
Two eightsided number cubes are thrown. Given that one of the cubes shows a five, what is the probability that the sum of the numbers that come up on the two cubes is six?
asked by Jessica 
Soanish
How do you say i spanish: "The hospital is far from the house" Thank You
asked by Deborah 
Spanish
How do you say this in spanish: "The resturant is next to the supermarket" Thank you I think it's like this: El restaurante está al lado del supermercado.
asked by Deborah 
Spaish
How do you say this in spanish? "I have just ate" I thnk it's like this "Acabo de comer" How do you say this in spanish? "We have just danced" I think it's like this Acabamos de bailamos. Thank You
asked by Deborah 
calculus
f(x) = (3x^3+5x^2+8x8)/x find the derivative
asked by BB 
world history
what page can i find "Hoe Ana on in our world by macmillan/mcgrawhill
asked by lori 
Physics
Small spheres of diameter 1.00mm fall through 20 degree Celsius water at a terminal speed of 1.10 cm/s. calculate the density of the spheres.
asked by Emma 
trig
cos(+pi/2theta)/csctheta+cos^2theta
asked by tina 
math
The longer base of an isosceles trapezium is 20 cm, its legs are 10cm. The legs of the trapezium are extended by 8 cm long to gain an isosceles triangle.Find the shorter base of the trapezium. Please help me:)
asked by Brigitta 
??/
1. Oxygen moves easily out of blood capillaries into cells because ___________. (1 point) the walls are very thin because it is very small because other gases push it out cells need the oxygen 2. Which of the following statements is false? (1 point)
asked by Anonymous 
physics
The body of a 1258 kg car is supported on a frame by four springs. The spring constant of a single spring is 1.31 × 104 N/m. Four peo ple riding in the car have a combined mass of 230 kg. When driven over a pothole in the road, the frame vibrates and for
asked by Meghan 
PreAlegebra
You spin a spinner that is divided into 6 equals parts once and roll the number cube once. Find the probability that the spinner stops on the same number that you roll the number cube?
asked by Bart 
government
five purposes of govt...protection,order,conflict resolution,econ. stabilty and public services....provide example of govt. that fulfills each purpose... I really don't about conflict resolution and econ. stability...Thank you
asked by mae 
math
If pump A and pump B work together, they can fill a pool in 4 hours. Pump A, working alone, takes 6 hours to fill the pool. How long would it take pump B, working alone, to fill the pool?
asked by Randy 
physics
Suppose that on earth you can throw a ball vertically upward a distance of 2.39 m. Given that the acceleration of gravity on Mars is 3.80 m/s2, how high could you throw a ball on Mars? (Take the yaxis in the vertical direction, and assume that the
asked by octavia 
Geometry
THE VOLUME OF AN OBLIQUE CONE WITH EQUAL DIAMETER AND HEIGHT IS 18*3.14CM^3. FIND THE HEIGHT AND RADIUS (TO THE NEAREST CM). PLEASE HELP THIS IS MY LAST TEST AND I GRADUATE!!! THANKS SO MUCH!!
asked by Keiana