Questions Asked on
October 14, 2011

chemistry
A solution contain 43mEq/L of Cl and 11 mEq/L of HPO4*2. If the only cation in the solution is Na+ what is the Na+ concentration if mEq/L? Can you help me with each step to solve this problem?
asked by Connie 
physics
A cart loaded with bricks has a total mass of 18 kg and is pulled at constant speed by a rope. The rope is inclined at 30.4 above the horizontal and the cart moves 21.5 m on a horizontal floor. The coefficient of kinetic friction between ground and cart
asked by phys1! 
Chemistry
A snorkeler takes a syringe filled with 16 mL of air from the surface, where the pressure is 1.0 ATM, to an unknown depth. The volume of the air in the syringe at this depth is 7.5 mL. What Is the pressure at this depth? If the pressure increases by an
asked by Monique 
chemistry
Acetylene gas, c2h2, burns in oxygen to produce carbon dioxide and water. If 61.4 g of co2 are produced when 22.7g c2h2 react with sufficient oxygen, what is the percent yield for the reaction?
asked by Amanda 
math
the 9th term of an AP is 52 while the 12th term is 70.find the sum of its 20th term
asked by Anonymous 
math
Mr. Wilson invested money in two accounts. His total investment was $40,000. If one account pays 4% in interest and the other pays 8% in interest, how much does he have in each account if he earned a total of $2,720 in interest in 1 year?
asked by chanell 
precalculus
A developer wants to build homes on a rectangular plot of land 4 kilometers long and 3 kilometers wide. In this part of the city, regulations require a greenbelt of uniform width along two adjacent sides. The greenbelt must be 10 times the area of the
asked by jordan 
chemistry
what is ph during titration of 10.00ml of 0.1000m triethylamine, ch3ch2)3n (kb=2.3x10^, with 0.1000m HCL solution after addition of titrant (HCL) 1, 0ml, 5ml,10ml, 20ml,30ml
asked by ette 
math
mistyped before. A sphere has a volume of 500/3 pi cubic centimeters. What is the total surface area in square centimeters, of the sphere? The correct answer is 100pi, but I have no idea why. I need to see it worked out from start to finish :(
asked by robby 
physics
A particle leaves the origin with an initial velocity = (2.35 m/s) and moves with constant acceleration = (1.90 m/s2) + (2.60 m/s2)>. (a) How far does the particle move in the x direction before turning around? m (b) What is the particle's velocity at
asked by Kaylah 
physics
A 23 bullet traveling 230 penetrates a 3.6 block of wood and emerges cleanly at 170 . If the block is stationary on a frictionless surface when hit, how fast does it move after the bullet emerges?
asked by pat 
Business Managment
Problem 11.3  Kelly is a 35 year old single parent with a oneyearold son. She earns $45,000 a year as a marketing analyst and has employer paid group life insurance worth twice her annual salary. She also participates in her employer’s 401(k)
asked by Vanessa 
physics
Your engineering firm is asked to specify the maximum load for the elevators in a new building. Each elevator has mass 500 kg when empty and maximum acceleration 2.25 m/s^2. The elevator cables can withstand a maximum tension of 19.6 kN before breaking.
asked by mera 
Calculus
Given f(x) = (x^4 + 17) / (6x^2 + x  1) Identify any points of discontinuity, and determine (giving reasons) if they are removable, infinite (essential), or jump discontinuities. From the work that I have done so far, I know that there are two
asked by Mishaka 
physics
The space shuttle has a total mass of 2.0 x 10^6 kg. At liftoff, the engines exert a total thrust of 35 x 10^6 N. Calculate the shuttle's weight. Calculate the shuttle's acceleration at liftoff. If the acceleration averages 13 m/s/s over the first 10
asked by Anonymous 
physics
A ball of mass 0.120 kg is dropped from rest from a height of 1.25 m. It rebounds from the floor to reach a height of 0.600 m. What impulse was given to the ball by the floor?
asked by Anonymous 
cost accounting
The East Company manufactures several different products. Unit costs associated with Product ORD203 are as follows: Direct materials $50 Direct manufacturing labor 8 Variable manufacturing overhead 10 Fixed manufacturing overhead 23 Sales commissions (2%
asked by carol 
math
a sphere has a volume of 500/3 pi cubic centimeters. What is the total surface area, in sqaure cntimeters, of the square? A. 25 pi B. 40 pi C. 100 pi D. 400 pi Please show your work. im very confused :(
asked by robby 
economics
Is limitless growth really possible? What forces do you think will be most important in slowing or halting economic growth?
asked by michele 
physics
Two objects attract each other gravitationally with a force of 2.1×10−10 when they are 0.25 apart. Their total mass is 4.50 .
asked by XG 
patterns
the first five terms of a sequence are shown below: 8,6,4,2,0 ... What is the 100th term in the sequence? A. 192 B. 190 C. 108 D. 90 I know how to figure this out but it would take a few minutes. There UST be some sort of formula?
asked by robby 
chemistry
A solution of .12 L of 0.160 M KOH is mixed with a solution of .3 L of 0.230 M NiSO4. the equation for this reaction is: 2KOH (aq)+NiSO4 (aq) >K2SO4 (aq)+Ni(OH)2 (s) .89 grams of Ni(OH)2 precipitate form I need to know the concentration remaining in
asked by Colin 
Algebra
This is soooo confusing! An airplane flies from New Orleans, Louisiana, to Atlanta, Georgia, at an average rate of 320 miles per hour. The airplane then returns at an average rate of 280 miles per hour. The total travel time is 3 hours. A. Define a
asked by Tim 
physics
The speed of a moving bullet can be determined by allowing the bullet to pass through two rotating paper disks mounted a distance 100 cm apart on the same axle. From the angular displacement 22.9 ◦ of the two bullet holes in the disks and the rotational
asked by liz 
Child development
Using these steps, consider a cognitive “problem” a young child might encounter that he/she needs help with (such as putting together a puzzle, sequencing – putting items in order, sorting by color or size, adding, subtracting, tying shoes, learning
asked by amy 
physics
To move a large crate across a rough floor, you push on it with a force F at an angle of 21°, below the horizontal, as shown in the figure. Find the acceleration of the crate, given that the mass of the crate is m = 38 kg, the applied force is 329 N and
asked by anonymous 
Chem/Physics
A baseball weighs 5.19 . What is the kinetic energy in joules of this baseball when it is thrown by a majorleague pitcher at 98.0 ?
asked by Anonymous 
Biology( HELP PLEASE)
give the two possible alleles in the eggs produced by a women whose genotype is JjKkLl
asked by Erin 
Chemistry 101
A solution of .12 L of 0.160 M KOH is mixed with a solution of .3 L of 0.230 M NiSO4. the equation for this reaction is: 2KOH (aq)+NiSO4 (aq) >K2SO4 (aq)+Ni(OH)2 (s) .89 grams of Ni(OH)2 precipitate form I need to know the concentration remaining in
asked by Colin 
Calculus (Discontinuities)
Suppose, f(x) = { (x  1)^2 / x + 1 if x < 2 (x^2  2x  8)/(x  4) if 2
asked by Mishaka 
physics
Two objects with masses of 3.00 kg and 7.00 kg are connected by a light string that passes over a frictionless pulley (a) Determine the tension in the string. .N (b) Determine the magnitude of the acceleration of each mass. .m/s2 (c) Determine the distance
asked by savannah 
Please help me with Finance !
charlie can not remember how much he financed to buy his car.. he does remember that his monthly payment is $200 and his add on interest rate was 12% and he made a total of 18 payments. find the amount of his loan to the nearest penny. I keep getting over
asked by HM 
Chemistry
Using enthalpies of formation, calculate the quantity of heat produced when 14.0 g of propane is completely combusted in air under standard conditions.
asked by John 
physics
A woman at an airport is towing her 21.0 kg suitcase at constant speed by pulling on the strap at an angle of è above the horizontal (Fig. P4.40). She pulls on the strap with a 34.0 N force, and the friction force on the suitcase is 11.0 N. (a) What angle
asked by savannah 
physics
A 33.0 kg box initially at rest is pushed 5.95 m along a rough, horizontal floor with a constant applied horizontal force of 145 N. If the coefficient of friction between box and floor is 0.300. find: the work done by the applied force the increase in
asked by gene 
Chemistry
A chemical reaction occurring in a cylinder equipped with a movable piston produces 0.58 mol of a gaseous product. If the cylinder contained 0.11 mol of gas before the reaction and had an initial volume of 2.1 L, what was it's volume after the reaction. Am
asked by Monique 
math
What is the mass of a liter of gasoline if its density is 0.66 g/mL?
asked by Linda 
math
The demand for the video game is modeled by the logistic curve, where q(t) is the total number of units sold t months after its introduction. q(t)= 10000/(1+0.5 e**(0.4t)) (a) Use technology to estimate q'(4) to the nearest integer. mark units per month
asked by Beth 
math
bill furrier marks up mink coats 3000.00, which represents a 50% markup on cost. what is the cost of the coats?
asked by Judy 
algebra 2
write a polynomial function of least degree that has real coefficeints the given zeros and a leading coefficient of 1. the problem is 5,2i,2i
asked by jay 
physics
Let A and B be the two vectors of magnitude 10 unit . If they are inclined to Xaxis at angle 30 degree and 60 degree respectively. Find the resultant.
asked by Bablu 
physics
Two balls have the same mass of 3.085 kg and identical charges of 21.0 ìC. They hang from the ceiling on strings of identical length as shown in the figure. If the angle with respect to the vertical of the strings is 22.0°, what is the length of the
asked by emine 
Calculus
Suppose f(x) = [sin(x^2  4)]^ 1. Identify any points of discontinuity, and determine (giving reasons) if they are removable, infinite (essential), or jump discontinuities. Okay, I presume that the [] brackets denote the greatest integer function (int ()
asked by Mishaka 
science
Rebecca is studying the range of growth of tomato plants. She measured the following data in the fourth week of growing her plants. tomato plant measured growth 1 1.5 cm 2 6.5 cm 3 7 cm 4 6.5 cm 5 3.25 cm 6 7.75 cm 7 5.5 cm 8 6 cm Given this data, what
asked by colleen 
Chemistry
How many moles of CaCl2 are in 250mL of a 3.0M of CaCl2? Ca=40.08  Cl=35.45 X 2 ?? Thanks
asked by Emily 
calculusplease helpp
if the line 3x4y=0 is tangent in the first quadrant to the curve y=x^3+k, find k. all i know is that its related to finding a derivative and i m basically completely lost....can please someone provide me some help?????
asked by krishna 
Physics
A 1.21 kg block slides down a 25.0 m long 25.0° incline at constant velocity. How much work is done by friction?
asked by kellie 
calculus
Use linear approximation to estimate the amount of paint in cubic centimeters needed to apply a coat of paint cm thick to a hemispherical dome with a diameter of meters.
asked by john 
physics
A 3.56kg steel ball strikes a massive wall at 10.0 m/s at an angle of θ = 60.0° with the plane of the wall. It bounces off the wall with the same speed and angle (see the figure below). If the ball is in contact with the wall for 0.180 s, what is the
asked by Anonymous 
physics
Find the resultant of two vectors 7N and 8N inclined at an angle of 65 degree to each other
asked by Sunday 
chemistry
What mass of oxygen is needed for the complete combustion of 2.60×10−3 of methane? Express your answer with the appropriate units.
asked by CHRIS 
Comp 156
How would overly biased writing negatively affect a persuasive essay?
asked by Wonk 
chemistry
The solubility product constant (Ksp) for the dissolution of Cu(OH)2 as represented by the chemical equation is 2.6 x 1019. Cu(OH)2 (s) Cu2+ (aq) + 2 OH (aq) Calculate the moles of Cu(OH)2 that dissolves in 1900 mL of water. i know how to do it when its
asked by BOB 
statistics math &146
Outstanding balance on each account. is it a mean median or mode
asked by sherlyn 
PROBLEM SOLVING IN MATHEMATICS
what do you need to know to solve this? you have kite ABCD. angle B is at the top of the kite and measures 80 degrees. angles A and C are on the sides and angle D is at the bottom of the kite. what is the largest siza that angle A or C could be?
asked by alya 
chemistry
What is the concentration, mass/vol percent (m/v) of a solution prepared from 50.gNaCl and 2.5L? Do I divide 50.g NaCl/2.5L?? = 20% Thank you!
asked by Connie 
algebra
a sphere has a volume of 500/3pi cubic centimeters. What is the total surface area, in square centimeters, of the sphere?
asked by robby 
Chemistry
Givien a 2.0kg solution of phosphoric acid and water 53% phosphoric acid by mass calculate the number of moles of phosphoric acid
asked by Anonymous 
math
suppose walmart stok is selling at 59 dollars a share and mattel stock is selling at 28 a share. amy waller has a maximum of 6000 dollars to invest. she wishes to purchase four times as many shares of walmart as of mattel. only whole shares of stock can be
asked by dina 
physics
A 3.56kg steel ball strikes a massive wall at 10.0 m/s at an angle of θ = 60.0° with the plane of the wall. It bounces off the wall with the same speed and angle (see the figure below). If the ball is in contact with the wall for 0.180 s, what is the
asked by Anonymous 
Biology
How is it a solution of 300mOsM NaCl is both isotonic and isosmotic to a red blood cell with an osmolarity of 300mOsM? Yet a solution of 300mOsM urea is only isosmotic to that red blood cell?
asked by p 
physics
A uniform chain 10m long and weighing 6 kg permetre hangs vertically.calculate the work required to wind it up
asked by vishal 
Calculus
equation of tangent line of the function sqrt (3x+5) where x=10
asked by Jack 
Chemistry
A)What mass of silver chloride can be produced from 1.33 of a 0.207 solution of silver nitrate? I got this one, its 39.4 g B)The reaction described in Part A required 3.28 of potassium chloride. What is the concentration of this potassium chloride
asked by Kristi 
Chem
1.00 mL of a 0.0500 M sucrose solution is transferred to a 100 mL volumetric flask, and the flask brought up to volume. 5.00 mL are taken from the 100 mL volumetric flask and transferred to a 0.500 L flask, and it is brought up to volume. What is the
asked by Anonymous 
Science
A spherical rock rests at the top of a steep hill. the rock has A)Potential Energy B) Chemical energy C)Kinetic energy or D) no energy i think it's A or B but I'm not sure. thanks
asked by Jon 
Calculus
Suppose f(x) = [sin(x^2  4)]^ 1. Identify any points of discontinuity, and determine (giving reasons) if they are removable, infinite (essential), or jump discontinuities. Okay, I presume that the [] brackets denote the greatest integer function (int ()
asked by Mishaka 
Monthly paymentMath
Okay here is my question two guys buy a new room for $10,000 down payment: $1000 and they want to pay whatever they owe in 30 monthly payments.. find the amount of the monthly payment at 10% add on interest. I keep getting 330.. but the answer is 375. I
asked by HM 
Algebra
The sum of two consecutive odd integers is 56. A. Define a variable for the smaller integer. B. What must you add to an odd integer to get the next greater odd integer? C. Write an expression for the second integer. D. Write and solve an equation to find
asked by Bri 
calculus
Find an equation of the tangent line to the curve at y = cosx  sinx (pi, 1) I found y'= sinx  cosx and used the equation of the tangent y = mx +b I input the values and get 1  [(sinx  cosx) * pi] = b the answer says it is y = x  1  pi I have no
asked by Daniel 
Physics 1  Mechanics
You throw a rock with an initial horizontal velocity and it hits the ground at x meters away from your feet. What if: (a) You throw the same stone with the same initial conditions but instead you do this on a another planet with a mass 4 times the mass of
asked by Alex 
Unscramble
Unscramble the following words eye lies the beauty of in the beholder
asked by Saleem 
Chemistry
Givien a 2.0kg solution of phosphoric acid and water 53% phosphoric acid by mass calculate the number of moles of phosphoric acid
asked by Anonymous 
essay
Hello, I am writing a film analysis on the film Heathers. I am doing a Character analysis on Heather Chandler, and I wanted to say she is at the top of her hierocracy but I wasn't sure if that made sense if anyone gets what im trying to say plz help
asked by Rainy 
physics
object A exerts a gravitational force of magnitude 8.2 x 10^10 N on object B. determine the magnitude of the gravitational force if, simultaneously, the separation distance is tripled, mA increased by 4 times and m8 is halved. explain your reasons and
asked by luna 
physics
A hockey puck is hit on a frozen lake and starts moving with a speed of 10.6 m/s. Five seconds later, its speed is 6.10 m/s. (a) What is its average acceleration? m/s2 (b) What is the average value of the coefficient of kinetic friction between puck and
asked by savannah 
child development
• Which one of Piaget’s stages of intellectual development would the behavior described fall into? • How would knowledge about that stage help you in resolving the situation? Scenario #1 A child snaps two duplo blocks together and walks around making
asked by amy 
Physics
A car traveling at 18 m/s accelerates at 5.5 m/s2 for 9 s. How far does the car travel during the time it is accelerating for 9 seconds?
asked by Idk 
College Physics
A 4.30 kg block starts from rest and slides down a frictionless incline, dropping a vertical distance of 2.60 m, before compressing a spring of force constant 2.20 104 N/m. Find the maximum compression of the spring.
asked by Allen 
Differenctial equations
Use the change of variable x = exp(s) to recast the differential equation xy′′+y′+(L/x)y=0 Please HELP ME
asked by lili 
Physics
A shell of a gun has a initial speed of 1700 m/s at initial inclination of 55◦ above the horiztontal. Ignore air resistance and other effects. a) what is the maximum height? B) what is the total time of the shell's flight? c) how far away did the shell
asked by Lala 
Algebra
A jet leaves the Charlotte, North Carolina, airport traveling at an average rate of 564 km/h. Another jet leaves the airport one half hour later traveling at 744km/h in the same direction. Use an equation to find how long the second jet will take to
asked by Joy 
HELPPROBLEM SOLVING IN MATHEMATICS
probably the most famous approach to problem solving is Polya's fourstep process. Describe the fourstep process.
asked by alya 
Physics
A seed shoots out from the pod with the speed of 2.4 m/s but with a direction of motion 30° below the horizontal. The seed pod is initially 1.2 m above the ground. (a) How long does it take for the seed to land? (Neglect air resistance.) (b) What
asked by Kaylah 
physics
A satellite orbits Earth once per day. From the reference frame of the Moon, which orbits Earth once about every 27 days, what is its motion?
asked by karen 
Stats.....plz help me.....
Given the following frequency distribution, find the mean, variance, and standard deviation. Please show all of your work. Errors Frequency 5153 9 5456 19 5759 16 6062 24 6365 25
asked by Jennifer 
Chemistry
Calculate your Kinetic Energy in Joules if you weigh50 kg and you are walking 2 meters/second. This is what I did: KE is Ek=1/2mv^2 So it would be Ek=1/2(50kg) x 2m/s Then I convert kg to pounds. There are .454kg in 1 lb so 50(.454)=22.7lbs
asked by Anonymous 
stat
The average commute time via train from the Chicago O'Hare Airport to downtown is 60 minutes with a standard deviation of 15 minutes. Assume that the commute times are normally distributed. What proportion of commutes would be: longer than 80 minutes? less
asked by des 
Calculus
h(x)=In abs (*x+1)/(3x6)(x4)
asked by Anonymous 
Calculus
s(x)=log3(x^2+6x) find derivative?
asked by Beth 
calculus
Find the equation of the line tangent to the graph of the given function at the point with the indicated xcoordinate. f(x)=(4 sqrt(x)+7)/(sqrt(x)+2); text( ) x=4
asked by Beth 
math
What is the area of 11 m 21 m 8 m 5 m
asked by loyd 
College Physics
A 4.30 kg block starts from rest and slides down a frictionless incline, dropping a vertical distance of 2.60 m, before compressing a spring of force constant 2.20 104 N/m. Find the maximum compression of the spring.
asked by Allen 
College Physics
A 4.30 kg block starts from rest and slides down a frictionless incline, dropping a vertical distance of 2.60 m, before compressing a spring of force constant 2.20 104 N/m. Find the maximum compression of the spring.
asked by Allen 
chem
How many grams of H20 are produced when 140 grams of NH3 reacts by the following? Answer in 3 SF 4NH3+6NO>5N2+6H20 Please help! Thanks
asked by Emily 
business studies
we have to prepare model, ppt and file on cotton textile industry. so help us out.
asked by harpreet 
math test
if a 15 foot pece of electric tape has 0.56 feet cut from it then what is the new length of tape?
asked by divija 
Physics
A hotair balloon is rising upward with a constant speed of 2.83 m/s. When the balloon is 8.64 m above the ground, the balloonist accidentally drops a compass over the side of the balloon. How much time elapses before the compass hits the ground?
asked by Nsilo 
prealgebra
Please help me solve these problems. 12^2+2 [(13+3)] / 2^2] 4(3)+5[76(4)^2] 5(3)+3[96(3)^2]
asked by student 
Mathematics
Alicea baked a plum bar and cut it into ninths. What fair trades can she make with Rosita, whose raspberry bar is divided into ninths?
asked by Alex 
Physics
A)What mass of silver chloride can be produced from 1.33 of a 0.207 solution of silver nitrate? I got this one, its 39.4 g B)The reaction described in Part A required 3.28 of potassium chloride. What is the concentration of this potassium chloride
asked by Kristi 
Pre Calculus
Applications of trigonometric functions Solve the missing parts of the triangle satisfying a=125 b=150 alpha=55 degrees There are two solutions
asked by Josh 
accounting
Jane Doe of Creative Marketing was recording transactions into the accounting records to prepare financial statements for the bank in a loan application. Her expenses were higher than anticipated and she was concerned about the effects on net income. As
asked by Anonymous 
Chemistry
reaction between sulfur and oxygen is S+O2 = SO2. how much sulfur is in the original materials, would result in 1000g of so2
asked by Gracy 
Chemistry
Calculate your Kinetic Energy in Joules if you weigh50 kg and you are walking 2 meters/second. This is what I did: Ep=50kg x 9.8m/s^2 x 2m/s = 980 Joules. What do I do next?
asked by Anonymous 
Geography
I need to write about the river tees AND about the source to mouth. Please please help me :( I have to redo do it by monday and I can only use the computer for 30 more minutes! Please F'ing help ME.
asked by John 
Algebra
In Algebra terms, what does "restrict the variables" mean?
asked by Emma 
Physics 1  Mechanics
You are making a trip in a space shuttle, and your friend Jimmy is in another space shuttle. He shares the same circular orbit with you, which is 420 km above the Earth, but he is 21 km ahead of you. (a) How long will it take you to catch up with your
asked by Alex 
statistics
You ask a neighbor to water a sickly plant while you are on vacation. Without water the plant will die with probability 0.7. With water it will die with probability 0.6. You are 84 % certain the neighbor will remember to water the plant. You come back from
asked by Anonymous 
Religion of the World
I need information pertaining to the similarities in Judaism, Isslam and Christianity pertaining to the ten commandments.
asked by Tisha 
algebra
solve the equation for y 4y+5x= 7 I came up with this is, is it right? y=5x/4+4
asked by cupnnas2002 
math sequence
the first 5 terms of a linear sequence are given below: 8,6,4,2,0... What is the 100th term in the sequence? A. 192 B. 190 C. 108 D. 90 I could figure this out in like 5 minutes, but I know there's a pattern I can't remember to figure it out quicker.
asked by robby 
business
Eastern Airlines knows that 20% of its customer fly first class,20% fly business class, and the rest fly coach. Of those customers who fly first class,70% are from the East Coast while 30% are from elsewhere. In addition, of those customers who fly
asked by jose alejandro 
Scholarship
Please revise my essay by giving tip or suggestions. A scholarship like “The FATE” will help me achieve my educational & career goals. “The FATE” not only will benefit financially but it will also boost my selfconfidence, give me greater power of
asked by Griselda 
physics
Ten boxes, each 16.0 cm high and weighing 250 N, initially are all side by side on the floor. The boxes are lifted and placed in a vertical stack 1.60 m high in a time interval of 7.00 s. Compute the power necessary to stack the boxes.
asked by kellie 
College Physics
A 4.30 kg block starts from rest and slides down a frictionless incline, dropping a vertical distance of 2.60 m, before compressing a spring of force constant 2.20 104 N/m. Find the maximum compression of the spring.
asked by Allen 
chemistry
what is the typical relationship between the rate of reaction and the value of the equilibrium constant? A) it is a direct porportionality B) it is an exponential proportionality C) it is an inverse proportionality D) there is no relationship between these
asked by jen 
opertating a car
The sticker price on a new car includes: A.The final selling price of the vehicle B.an extended warranty C.everything you need to know about the vehicle D.the retail price of everything that comes with that particular vehicles. i got D
asked by Ciara 
chemistry
hey drbob222, where did u get 500ml from? question is: 1.00 mL of a 0.0500 M sucrose solution is transferred to a 100 mL volumetric flask, and the flask brought up to volume. 5.00 mL are taken from the 100 mL volumetric flask and transferred to a 0.500 L
asked by selina 
calculus
t(x)=((x+4)^0.15x)^5.1
asked by Beth 
Sociology
A major reason why children of uppermiddle class families do well in school is the pressure that is placed on them by their families. a.True b.False a I guess..
asked by Casey 
owning
_________of the vehicle is the likely consequence of failture to make the required loan payments. A.Theft B.Repossession C.Destruction D.Loss of warranty i got D
asked by Ciara 
Sociology
When children are taught to sit straight and not slouch, to address men older than themselves as "sir" and to look the person they are addressing in the eye, they are learning aspects of: a.deference b.demeanor its deference, maybe.
asked by Casey 
English
1. When did he live in this town? 2. When did he start to live in this town? (Are both grammatical?
asked by rfvv 
stats
For each of the following situations, determine: a) the null and research hypotheses; b) the hypothesis test used (normal curve, single sample ttest, dependent samples ttest, independent samples ttest, ANOVA). For situations 1, 3, 4, and 5, also state
asked by Anonymous 
math
An oceanographic research vessel comes across a volcano under the sea. The top of the volcano is 450 ft below the surface and the sea floor is 6,700 ft. What is the height of the volcano?
asked by cindy 
scientific notaton
Express the following quantities in the scientific notation: According to NASA, Mars is 225,000,000 km from the Sun at its closest point.
asked by cindy 
Science Math
7. Calculate the difference in the lung volumes of a male athlete who is 62 inches tall and a female athlete who is 56 inches tall. Show your work. (2 points)
asked by George 
HUM
What is one important distinction you could not overlook making when critically evaluating the information provided in these materials about the Boston Tea Party? Clarify the importance of that distinction
asked by Bella 
HUM/111
identify two possible strategies that Thomas Hutchinson or Samuel Adams, or both, likely used to develop and improve his thinking prior to taking a stand and acting according to his beliefs.
asked by Jane 
science
How many years after voyage 2's launch was it before scientists could view its photographs of Uranus?
asked by felix 
GK
which is correct word beuaty lies in the eyes of the beholder or the beauty of eyes lies in the beholder
asked by Saleem 
College Physics
A 4.30 kg block starts from rest and slides down a frictionless incline, dropping a vertical distance of 2.60 m, before compressing a spring of force constant 2.20 104 N/m. Find the maximum compression of the spring.
asked by Allen 
math
Express the following quantities in the scientific notation: According to NASA, Mars is 225,000,000 km from the Sun at its closest point.
asked by cindy 
anaheim
a glacier moves with a speed of 54m/s. how many years wold it take for the glacier to move 0.65 km? assume there are 365 days in a year
asked by george 
Truth in Lending
I have a quick question. I keep getting confused in this topic. Purchase down payment= $3000 add on number of payments = 18 price= $500 interest rate : 7% FIND THE APR TO THE NEAREST HALF. In my solution I am first calculating the total payment and then I
asked by HM 
Physics
A rifle is pointed horizantally 100 meters away from a target. The bullet hits 0.75 millimeters below the target. How long did it take to get there? What was the velocity of the bullet when it was first shot?
asked by Elizabeth 
Science
What is the role can play integrated science in primary schools?
asked by Science 
Maths
Please show me the way of using formula log?
asked by Maths 
physics
if i ran a 4.6 forty yard dash and i ran down hill at a max speed of 18 miles per hour and punched you right in the face how many foot pounds of pressure would my hit have
asked by Charles 
Chemistry
Hi, I have a question on HPLC (high performance liquid chromatography). The procedure says to use a 4.6 x 150mm x 3um column. The relative retention time of Impurity B with reference to the main peak is about 0.5min. If I use a 4.6 x 100mm x 2.7um column,
asked by anne 
Science
anyone know the cost of neon as of now
asked by Bethani 
Sociology
Q1. All societies produce some form of inequality. a)True b)False Q2.Income is the measure of social class inequality that is most often used. a)True b)False for 1 i think a and for 2 a
asked by Casey 
algebra
the surface area of a cylinder with a radius of 21 cm and a height of 42 cm. Use 22/7 for pi .
asked by Anonymous 
PreAlgebra
Evaluate the expression. 1. (18 + 9) + 11 2. 8(2)(5) 3. 1.2 + 4.7 + 1.5 Simplify the expression. 4. t + 24 + 17 5.8 + c + (10) 6.4(6x)
asked by Amy 
art
got a project about you need to find 12 pictures to suit the vales like line texture and etc
asked by bob 
chemistry
a bottle of 12.o M HCL has only 49.8 ml left in it. What is the molarity of the hcl if the solution is diluted to 350ml.
asked by wendy 
Psychology
Contribution of psycholoy to learning in primary schools?
asked by Psychology 
Chemistryplease help
Posted by anne on Friday, October 14, 2011 at 6:30pm. Hi, I have a question on HPLC (high performance liquid chromatography). The procedure says to use a 4.6 x 150mm x 3um column. The relative retention time of Impurity B with reference to the main peak is
asked by anne 
com156
does the opinion of an expert in the field carry more weight than the opinion of someone that is not?
asked by bvk3722 
physics
A car starts from rest and accelerates at 6 m/s/s. How far does it travel in 3 s? Answer in meters. Round answer to the nearest ones.
asked by Anonymous 
math
a sphere has a volume of 500/3pi cubvic centimeters. What is the total surface area, in square centimeters, of the square? The answer is 100pi, but i don't know why. HELP!!!!!!!!!
asked by robby 
math
If H is a subgroup of G, and K is a normal subgroup of G, prove that: HK = KH
asked by Jackie 
ChemistryBob please help
Posted by anne on Friday, October 14, 2011 at 6:30pm. Hi, I have a question on HPLC (high performance liquid chromatography). The procedure says to use a 4.6 x 150mm x 3um column. The relative retention time of Impurity B with reference to the main peak is
asked by anne 
physics
4. Brick A is hurled vertically upward from a bridge at an initial speed of 4.90 m/s. One second later, Brick B is thrown horizontally from the same bridge with an initial speed of 9.80 m/s. Which hits the water first?
asked by Elijah 
physics
4. Brick A is hurled vertically upward from a bridge at an initial speed of 4.90 m/s. One second later, Brick B is thrown horizontally from the same bridge with an initial speed of 9.80 m/s. Which hits the water first?
asked by Elijah 
MBA Practice problems
you are presently involved with a project to establish the cost of the gold presently used in the production of 1000 computer chips per month. each chip uses two grams of 20 ct gold with the remaining portion of a metal whose cost is insignificant. what is
asked by tina 
physics
can you explain briefly about fluid statics?
asked by jagadheeswar 
MATH HELP PLEASE!
Let c be a positive integer with 1
asked by Mary 
College Physics
Find the minimum work required to carry a truckload of furniture weighing 1.99 104 N to a thirdstory apartment, 24.0 m above the truck.
asked by Allen 
Sat prep English
Choose the word which best completes the sentence Neither the cat nor the dog (play, plays) together. And Neither the cat nor the dogs (play, plays) together. And Neither the cats nor the dogs (play, plays) together.
asked by Marina 
microeconomics
Do you think that a firm always pays the lowest wages they can? Why/why not? Relate your answer to productivity. Which workers do you think would be the first to be laidoff in the event of a slowdown. Why?
asked by Timica 
World History
describe three social or economic reforms between 1917 and the 1930s that were a result of the Mexican Revolution.
asked by DeAndre 
physics
A 14 g bullet is ﬁred into a 120 g wooden block initially at rest on a horizontal surface. The acceleration of gravity is 9.8 m/s^2 . After impact, the block slides 6.97 m before coming to rest.If the coeﬃcient of friction between block and surface is
asked by adriana 
English
Could you check these few sentences, please? Thank you. 1) What are people intolerant about (is "of" also possible)? 2)They are intolerant about the color of the skin, religion and clothes. 3) They are prejudiced against people of other religions. 4) In
asked by Henry2 
Physical Science
what forward force must the ground apply to the foot of a 60.0 kg person to result in an acceleration of 1.00m/s^2
asked by Patricia