Questions Asked on
October 5, 2011

physics
A certain orthodontist uses a wire brace to align a patient's crooked tooth as in the figure below. The tension in the wire is adjusted to have a magnitude of 21.12 N. Find the magnitude of the net force exerted by the wire on the crooked tooth.
asked by sarah 
Physics
A skateboarder shoots off a ramp with a velocity of 6.7 m/s, directed at an angle of 53° above the horizontal. The end of the ramp is 1.0 m above the ground. Let the x axis be parallel to the ground, the +y direction be vertically upward, and take as the
asked by Sam 
chemistry
a)H2SO4 b)CuS c)HF d)Zn(NO3)2 Which are strong, weak, or non electrolytes. I was think A was strong B and C were weak and D is non
asked by jessica 
Stoichiometry
So I have this question it reads Consider the generic chemical reaction How many moles of B are required to completely react with 2A + 3B ==> 3C 1. 6 mol of A 2. 2 mol of A I won't put them all just guide me in the right direction please
asked by Monique 
Physics
A woman at an airport is towing her 20.0 kg suitcase at constant speed by pulling on a strap at an angle θ above the horizontal. She pulls on the strap with a 35.0 N force, and the friction force on the suitcase is 20.0 N. a) What angle does the strap
asked by Stephanie 
Statisics
35%of adult Americans are regular voters. A random sample of 250 adults in a mediumsize college town were surveyed, and it was found that 110 were regular voters. Estimate the true proportion of regular voters with 90% confidence and comment on your
asked by tina 
science chemistry
N2 (g) + 3H2 (g) > 2NH3 (g) assume 4 molecules of nitrogen and 9 molecules of hydrogen are present. after complete reaction, how many molecules of ammonia are produced. do i go from N to NH3 or H to NH3?
asked by cook 
Chemistry(please check, thank you!!)
Is this equation balanced? CoCl2(aq) + Na2CO3(aq) > CoCO3(s) + 2NaCl(aq) I think that it is because there is 1 Co on the left and 1 on the right. There is 2 cl on the left and 2 on the right. 2 Na on the left and 2 on the right and 3 CO on left and on
asked by Hannah 
Math word problem(algebra)
Carol is y years old&her daughter is 25 years younger.Find Carol's present age if the sum of their ages in 6years' time is 75years
asked by kimi 
maths
the 3rd term of a g.p is 63 while the 5th term is 567,what is the sum of the first 7 terms
asked by kingsley 
physics
A tractor T is pulling two trailers, M1 and M2, with a constant acceleration. T has a mass of 200 kg, M1 has a mass of 100 kg, and M2 has a mass of 150 kg. If the forward acceleration is 0.60 m/s2, then the horizontal force on the tractor due to the
asked by wahida 
statistics
A random sample of state gasoline taxes in cents is shown here for 12 states. Use the data to estimate the true population mean gasoline tax with 90% confidence. Does you interval contain the national average of 44.7 cents? 38.4 40.9 67 32.5 51.5 43.4 38
asked by tina 
Critical thinking
Explain the relationship between informative, explanatory, and persuasive statements and critical thinking.
asked by Rose 
math
Find two numbers the exact answer is between. 3 X 567
asked by andrew 
chemistry
Tin metal is heated with oxygen gas to yield tin(IV) oxide. Express your answer as a chemical equation. Identify all of the phases in your answer
asked by aby 
trig
in a circle of radius 26, find the length of the arc spanned by a central angle of pi/4 radians. round your answer to 2 decimal places. use 3.1416 as an approx for pi.
asked by tiana 
USA PoliScience  HELP FAST
When the Fed was created in 1913, a. it had no role in the management of the nation's economy. b. it was restricted to providing emergency loans to financial institutions. c. it adhered to a strictly supplyside policy focus. d. its primary economic
asked by HM 
Geometry
B is the midpoint of segment AC. AB= 5X and BC =3X+4 find AB, BC and AC
asked by Joey 
Algebra word problem
There are 50 questions to answer in a triva contest. Each player starts with 100 points. He or she earns ten points for each correct answer but will lose four points for each incorrect answer. Each player must answer all 50 questions. What is the fewest
asked by Linda 
Math
Given that cos 13pi/18=sin y, first express 13pi/18 as a sum of pi/2 and an angle, and then apply a trigonometric identitiy to determine the measure of angle y.
asked by Vincent 
plz help me in physics
A ship leaves the island of Guam and sails a distance 295km at an angle 35.0 north of west. a:In which direction must it now head so that its resultant displacement will be 100km directly east of Guam? (Express your answer as an angle measured south of
asked by ahmed 
math
a ferris wheel has the diameter of 240 feet and the bottom of the ferris wheel is 9 feet above the ground. find the equation of the wheel if the origin is placed on the ground directly below the center of the wheel
asked by sn 
chem
2H2(g)+ O2(g) > 2H2O(L) I know the oxidizing agent is oxygen and the reducing agent is hydrogen. what are the number of electrons transferred in the balanced chemical equation? (I put 2 and tried 2 but it didn't seem right)
asked by tami 
physics
A motorist drives south at 26.0 m/s for 3.00 min, then turns west and travels at 25.0 m/s for 2.40 min, and finally travels northwest at 30.0 m/s for 1.00 min. For this 6.40 min trip, find the following values.
asked by jon 
Physics
A sprinter can accelerate with constant acceleration for 2.70 s before reaching top speed. He can run the 100meter dash in 10 s. What is his speed as he crosses the finish line? Please show me all the steps to solving this problem. Thanks
asked by Beth 
Spanish
Please check my questions I had to answer1.¿Cómo es tu animale favorito? Mi animale favorito es le cabello. 2. ¿Es la araña mejor o peor que el mosquito? La araña es más peor que el mosquito. 3. ¿Son los venados más rapidos or más lentos que los
asked by Juliette 
Kirksville RIII
What will be the ionic equation after nickel nitrate is allowed to stand for several months
asked by Saumya 
Physics
what equation would I use to find the magnitude of the mass's velocity?
asked by Tina 
Organic chemistry
You are at isoelectric point for a solution of Leucine. If the number of negatively charged carboxyl ate groups, COO, is 1x10^19, how many positively charged amino groups, NH3+, would there be?
asked by Becky 
early childhood education
which of the fllowing is most likely to be a result of a school age child left unattended at home a)obesity b)lost of friendship c)psychological harm d)inability to complete homework assignments my answers is a
asked by eustace 
Algebra 2 (Linear Programming)
Part A requires 4 hours per unit on a lathe and 3 hours per unit on a milling machine. Part B requires 2 hours per unit on a lathe and 5 hours per unit on a milling machine. 52 hours are available on the lathe and 60 hours are available on the milling
asked by Peter 
chemistry 12
A) Calculate [OH^] in a o.12 M solution of hydrazine, H2NNH2(aq), having K of 3.0x10^6. B) what is the percent ionization of the H2NNH2(aq) I can't get these for the life of mee!
asked by Jacob 
Federal Reserve System
I read this on Wikipedia.. The Federal Reserve System is a part of government that regulates the private banks And I am stuck at this question. The Federal Reserve System c. regulates only national banks. e. None of these answers is correct.
asked by HM 
science
A pound of body fat stores an amount of chemical energy equivalent to 3500 Cal. When sleeping, the average adult burns or expends about 0.45 Cal/h for every pound of body weight. How many Calories would a 170 lb person burn during 10 hours of sleep? (Note
asked by Anonymous 
MATH QUIZ
Round each number to the underlined place value. 1.) 15.6571 >5 is underlined 2.) 0.8914 >1 is underlined 3.) 7,022.56 >3 is underlined 4.) 345.678 >6 is underlined Estimate. 5.) 3.7 · 8.06 about 32 about 27 about 12 about 24 6.) 17.25 + 6.66
asked by Brooke 
Physics
a crate slides down a frictionless ramp with an angle of 29.5 above the horizontal. find the acceleration of the crate.
asked by Stephanie 
math
By using the table in the handbook, the present value of $12,000 for six years compounded at 6 percent semiannually is: (Points : 2)
asked by Jessie Phillips 
Stoichiometry
Consider the reaction between reactants S & O2 2S(s) + 3 O2(g) ==> 2 SO3(g) If a reactant vessel initially contains 5 mol S and 9 mol O2, how many moles of S, O2 and SO3 will be in the reaction vessel once the reactants have reached as much as possible?
asked by Monique 
Physics
A truck is stopped for a red light at Ridge Road on Higgins line. At the instant the light turns green, the truck pulls away with a constant acceleration of 3.3 m/s2. A cyclist approaching the truck with a constant velocity of 12.0 m/s is 8.60 m behind the
asked by Nick 
Spanish
Please check my questions I had to answerI'm not sure about number one and I really don't understand number 3 1.¿Como es tu animale favorito? Mi animale favorito es le cabello. 2. ¿Es la araña mejor o peor que el mosquito? La araña es más peor que el
asked by Juliette 
calculus
Find constants a and b in the function f(x)=ax^b/(ln(x)) such that f(19)=1 and the function has a local minimum at x=19. What is a and b?
asked by Tina 
AP English
What kind of effects do extended metaphors, or conceits have on readers? I know it can help to keep a readers attention, and develop the idea.
asked by Lisa 
Government US
Democrats in Washington have usually responded to high levels of unemployment with b. increased government spending. c. increased government taxes. d. decreased government taxes. e. decreased government regulation.
asked by HM 
Physics
Tim and Rick both can run at speed Vr and walk at speed , Vw with Vr > vw. They set off together on a journey of distance . Rick walks half of the distance and runs the other half. Tim walks half of the time and runs the other half. How long does it take
asked by Sara 
Chem
Living things require oxygen for respiration. Fuels require oxygen for burning. Air contains much more nitrogen than oxygen. Is it a good thing to have more oxygen than nitrogen in air? Explain your answer.
asked by Nicole 
USA PoliScience
In forming Medicare, a. President Johnson allowed conservatives to propose a program, knowing it would ensure passage by Congress. > This is probably not correct because congress was never so easy. b. President Johnson resisted some Democratic urging to
asked by HM 
physics
A car moving 17 m/s slows down at a uniform rate of 2.6 m/s2. How far does the car travel in 3.3 seconds?
asked by Anonymous 
accounting
andrew quits his job as an accountantwhere he earns $45000 per year to go back to scool for 2 years to get an NBA degree. He attends a school that charges $25000 per year for tuition & related expenses. How much is the total cost (explicit plus
asked by jamal 
English
I just wanted to know if it is better to include "the" or not in How was (the) Eizabethan theatre structured. Here are other questions I'd like yout to check. 1) When and where did the Aesthetic Movement originate? Describe how the aesthetes lived and what
asked by Henry2 
ms.sue
it's like we're pen pals.you are very smart.what school do you go to and how old are you?i want to know that what should you do when you are fighting with your best friend,you haven't been talking to her for about 9 days.You are the one who always says
asked by jennifer white 
holley redemer
restate the sentence Annually, millions of animals suffer and die in painful tests in order to determine the safety of cosmetics.
asked by jess 
spanish
why are these incorrect? 1. Su novio no gusta los niños. 2. Este profesor dijo a nosotros que el ejercicio no es bien. 3. Tu éxito depende en el esfuerzo que pongas. 4. He esperado por mi hermana durante horas. 5. No puedo entrar la casa.
asked by Corrine 
Physics
In a portable deﬁbrillator, energy is stored in a capacitor charged to a high potential diﬀerence. The capacitor is discharged through the patient’s body in a short, highpowered pulse. a) The capacitor in a portable deﬁbrillator is charged to 5000
asked by jo 
chemistry ASAP
calculate the average atomic mass of element x in which the first isotope found in 28.5% abundance weighs 200.0 amu and the other isotope weighs 220.0 amu.
asked by mary 
higher math
what is the distance between the point A(3,8) and the circle (x^2+y^2+4x6y) is equal to 12
asked by Tama 
Math Help
Express in scientific notation: 198,400,000,000
asked by Katie A 
science
I can't understand why a ball bounces many time before coming to a rest
asked by dany 
chemistry ASAP
calculate the average atomic mass of element x in which the first isotope found in 28.5% abundance weighs 200.0 amu and the other isotope weighs 220.0 amu.
asked by mary 
science
What I can include in a science brochure for a trip to Mars to sound more attractive?
asked by ramy 
Chemistry
What is the final temperature after a 21.8 g piece of ice is placed into a styrofoam cup containing 114 g of hot water at 68.2 degrees C. Please explain because I don't even understand how to start.
asked by JJ 
Math
I Don't Know What Is This Subject Called In English But It's About Complex Numbers it says 25 = 16  9 i^2 = (4 ± 3i) But My Teacher Says 25 = 25  0 i^2 = (5 ± 0i) I Think My Teacher Is Wrong , The Result Is 25 But There Will Not Be Complex Number
asked by Jack 
chemistry
how many grams of naOH must be dissolved to a total volume of 800 mL, if the desired molarity is 0.200 molar?
asked by vee 
Math
The area of a rectangular photograph is 59 square inches.It is to be mounted on a rectangular card with a boarder of 1 inch at each side and 2 inches at the top and bottom.Express the total area of the photograph and the boarder,A, as a function of the
asked by Chole 
English
Hi, I have to write a 2 page paper about the book NoNo Boy, rather than give a plot summary the teacher wants us to discuss important themes. What are some possible topics I could write about and how do I not make the paper turn into a plot summary?
asked by Jake 
chemistry
150 mL of a 4.00 molar NaOH solution is diluted with water to a new volume of 1.00 liter. What is the new molarity of the NaOH?
asked by vee 
Physics
The strength of gravity on Mars is only 40% of that on earth. If a child has a mass of 30 kg on earth, what would the child's weight be on Mars? . I came up with 120N is this right?
asked by Crystal 
physics
A STONE IS DROPPED FROM A CLIFF SOME HIGH. DISREGARDING AIR RESISTENCE, (a) HOW LONG DOES IT TAKE THE STONE TO REACH THE GROUND? (b) WHAT IS ITS SPEED WHEN IT STRIKE THE AROUND?
asked by LALAINE 
3rd grade math
are there some tutors available in person, before school this morning to help my daughter Valerie Garza?
asked by Lori Alexander 
trig
Triangle PQR is congruent to P'Q'R. If PQ= x+y, P'Q'+10, Q'R'= 3xy, and QR=14, then what is x and y?
asked by Beth 
trig
Solve sin ¥è = 0.204 for 90¨¬ < ¥è < 270¨¬. Give your answer to the nearest tenth of a degree.
asked by Parker 
Finance
John deposited $1000 on 1st January 2011 in an account paying interest of 12% per annum compounded quaterly. He also deposited $800 (on 1st January 2011) in another account which pays 15% per annum effective interest. Find the time(n) when the two accounts
asked by Krishneel 
Physics
a car traveling westward at 20 m/s turns around and travels eastward at 5 m/s. what is the change in velocity of the car?
asked by Katie 
chemistry
how many moles of CO2 are produced if you start with 3 mol of CaCO3? balanced equation is: CaCO3>CaO=CO2
asked by bethany 
chemistry
what are the phases of all the reactants and products in the reaction 2Al + Fe2O3>2Fe + Al2O3?
asked by bethany 
physics
Two workers pull horizontally on a heavy box, but one pulls twice as hard as the other. The larger pull is directed at 25.0 west of north, and the resultant of these two pulls is 560.0 directly northward.
asked by Anonymous 
Statistics
Compare the 95% and 99% confidence intervals for the hours of sleep a student gets. Explain the difference between these intervals and why this difference occurs. 95% confidence intervals: 6.214, 7.686 99% confidence intervals: 5.944, 7.956
asked by Hope 
Calculus
Find the equation of the tangent line to the curve below at point (0,3) y=6/(1+e^x)
asked by Ashley 
Statistics
Compare the 95% and 99% confidence intervals for the hours of sleep a student gets. Explain the difference between these intervals and why this difference occurs. 95% confidence intervals: 6.214, 7.686 99% confidence intervals: 5.944, 7.956
asked by Hope 
Physics
A hovercraft of mass 69.0 kg can move on a horizontal surface, the xy plane. A single unbalanced force acts on the hovercraft, but the size of the force is unknown. The hovercraft initially has a velocity of 5.0 m/s in the positive x direction and some
asked by Help 
science
list three ways in witch finding the main idea(s) can help you understand scientific articles.
asked by trent 
Writing Essay
Where will you find the thesis sentence in an introduction paragraph? A.The middle of the paragraph B.Immediately after the topic sentence C.The last sentence of the introduction paragraph. i got C.
asked by ciara 
Finance
Equipment cost $625,000, salvage value $50,000 at end of 10 yrs. Probability .15 Cash Flow $60,000, .25 $85,000, .45 110,000, .15 130,000 What is expect cash flow, How do I stretch out for 10 years do I multiply about out get that total and get PV from
asked by Ron 
algebra
i cant figure this out 16 / (10(98) x 6) i got 98 = 1 x6 = 6 10 6 = 4 16 /4 = 4 is that right?
asked by Marko 
Calculus
Find dy/dx by implicit differentation. ysin(x^2)=xsin(y^2)
asked by Kelly 
Chemistry
132. Aerosol cans carry clear warnings against incineration because of the high pressures that can develop upon heating. Suppose a can contains a residual amount of gas at a pressure of 755 mm Hg and a temperature of 25 °C. What would the pressure be if
asked by stacy 
Physical Science
Can someone please help me with this question Im not really sure what the question is asking, I don't understand at all. Please explain. With sound, you get harmony when the frequencies of two sounds are in the ratios of small integers  eg, two sounds
asked by Allison 
Algebra
how do i solve 3x +8 > 2
asked by Susan 
social studies
Ms. Sue I thought you were helping me yesterday...I still need some help the information you give me I have been typing up as notes so i can print them and then study them.
asked by anonymous 
Math
On Friday, Jan hiked in the woods. If she hiked a vertical distance of 60 meters relative to sea level and then down 86 meters, where would she be relative to sea level if she started at 0?
asked by Jacob 
Physical Science
What is the frequency of electromagnetic radiation that has the same wavelength as the sound waves of middle C on a piano? A) 1.1 x108 Hz B) 2.2 x108 Hz C) 4.4 x108 Hz (my answer am I correct) D) 6.6 x108 Hz
asked by Anonymous 
PreCalculus
From a point on the ground 25 ft. from the foot of the tree, the angle of elevation of the top of the tree is 32 degrees. How do you find the height of the tree to the nearest foot?
asked by Joy 
Math
On Friday, Jan hiked in the woods. If she hiked a vertical distance of 60 meters relative to sea level and then down 86 meters, where would she be relative to sea level if she started at 0?
asked by Jacob 
english
Character can be portrayed by direct exposition. true or false?
asked by destin 
nursing
What are some processes for applying nursesensitive performance reviews and quality indicators? How can these processes be best implemented? What is their effect on nursing research and practice?
asked by jen 
physics
You pull your little sister across a flat snowy field on a sled. Your sister plus the sled have a mass of 39 kg. The rope is at an angle of 39 degrees to the ground. As you pull with a force of 31 N, the sled travels a distance of 47 m.
asked by bryce tanaka 
physics
You pull your little sister across a flat snowy field on a sled. Your sister plus the sled have a mass of 39 kg. The rope is at an angle of 39 degrees to the ground. As you pull with a force of 31 N, the sled travels a distance of 47 m.
asked by bryce tanaka 
physics
You pull your little sister across a flat snowy field on a sled. Your sister plus the sled have a mass of 39 kg. The rope is at an angle of 39 degrees to the ground. As you pull with a force of 31 N, the sled travels a distance of 47 m.
asked by bryce tanaka 
Psychology
I have to examine at least two mental disorders and two mental illnesses from the perspective of psychology. Do you know of any sites that can help me with this. Thank you.
asked by Nancy 
math
Marie used baseten blocks to model 328 she used 3 hundreds, 2 tens, and 8 ones. for what could you trade one of the tens?
asked by amor 
prealgebra
In solving this equation (x+3)(x3)=8 is the answer x+3=8=>x=11 if not why?
asked by kim 
math (please help)
Let r= 33 sin θ How do I test for symmetry θ = π/2?
asked by Angie 
pre cal
Find f of g of h and state the exact domain. f(x) = sqrt x g(x)= e^x  13e^x/2 + 42 h(x) = 2x I need help on this one bad! Please help!
asked by Anonymous 
PHYSICAL SCIENCE
density of a sample of zinc that has a mass of 48 kilograms and a volume of 7.5 mL.
asked by JOCOBI 
Math
what are constant ratios?
asked by Alice 
chemistry
balnced equation CaCO3>CaO+CO2 how many moles of CO2 are produced if you start with 3 mol of CaCO3?
asked by bethany 
Calculus
2^3V4(2^3V54^3Vx) is equal to 16, then x is equal to... I simplified the 2^3V4 and got 64, and just got stuck.
asked by Untamed 
math
How many factors does 7^11*19^6*79^23 have?
asked by christy 
Algebra word problem/Splitting the Cost
The cost of renting a bus to go snowboarding was split evenly by the 20 students planning to go. The day before the trip, 10 more students decided to go. Dividing the cost evenly among all 30 students brought the average cost down by $9.00 per person. What
asked by Linda 
biology
plzzzz,write differences between vegetative propagation and artificial vegetative propagation.(at least five)
asked by Sweety 
Chemistry
I can't figure out how to set up this problem...You have a large amount of 8.00 M stock solution. You need 1.80L of 3.00 M solution for an experiment. How would you prepare the desired solution without wasting any stock solution?
asked by Nicole 
physics
Tom & !@#$%^& are 25 m apart at rest. Tom accelerates at 5 m/s/s towards !@#$%^&. 0.21 sec later !@#$%^& accelerates 6 m/s/s towards Tom. Where do they meet, how fast is each traveling when they meet, and when do they meet?
asked by Susan 
history
I am helping my son who is in the 6th grade. He has a crossword puzzle that relates to early civilization and the clue is different. We have this much so far ???e??? for a total of 7 letters with an e in the middle please help.
asked by m 
math
a+3a=36
asked by nat 
physics
A diver of mass 43.2 kg jumps off a high dive 10.0 m tall. If he comes to a stop 2.0 m below the surface of the water, what was his acceleration after he entered the water?
asked by Kalyn 
USA PoliScience
36. The Federal Reserve System c. regulates only national banks. e. None of these answers is correct. I am confused between my last two choices.
asked by HM 
Calculus
Solve for x. Don't do the work using algebra and don't use a calculator. The Laws of Logarithms will be helpful. ln(x^2  1)= 3
asked by Angel 
STATISTICS
Four people(North, South, East, West) are each dealt 13 cards from an ordinary deck of 52 cards. a. If South has exactly one ace, what is the probability that his partner North has the other three aces? b. If North and South together have 10 hearts, what
asked by Anonymous 
Math
Students are given three chances to pass a basic skills exam for permission to enrol in Calculus. Sixty percent of the students pass on the first try, of those that fail on the first try, fifty four percent pass on the second try, and of those remaining,
asked by Anonymous 
math
Two digits of this number were erased: 273*49*5. However, we know that 9 and 11 divide the number. What is it?
asked by christy 
physics
a ball is dropped from a tower 122.5meters tall. how long does it take the ball to reach the ground?
asked by m kay 
Hard math
Solve for x using the laws of logarithms. ln(ln x)= 1
asked by Christina 
Algebra
What isthe focus of the parabola y = (1/8)(x – 5)^2  3
asked by Alexis 
geometry
Tim and Beck have a model of a car which they want to duplicate. Tim uses a compass and straightedge to take exact measurements to make a replica. Beck makes the model freehand without the use of tools.
asked by Anonymous 
geometry
Out of the word Tennessee 9 pieces of paper with each letter of the word written on it are put into a hat. What is the probability that that letter T or N is selected?
asked by Diane 
Math
Lilly wrote the equation below to demonstrate the commutative property. (2+3)+(3+4)=(3+4)+(2+3) Does her equation demostrate the commutative property?Explain why or why not.
asked by Keri 
Cal
Express the given quantity in a single logarithm. ln(a + b) + ln(a  b)  2 ln c
asked by Zac 
math
6 people, onehalf of the students arrive at school early, onefourth of the students arrived on time, and oneeighth of the students arrived late. how many students were absent?
asked by labrea 
Geometry
If the measures of the exterior angles of the acute angles of a right triangle are (6x+23) and (4x+17), find the measures of the acute angles.
asked by Rosa 
MATH(STATISTICS)
Urn A contains R red balls and W white balls, urn B contains r red balls and w white balls. a.If an urn is selected at random and a ball drawn, what is the probability that the ball is red? b.If a ball is drawn from urn A and put into urn B, and then a
asked by Anonymous 
physics
Students in lab measure the speed of a steel ball launched horizontally from a table top to be 4.2 m/s. If the table top is 1.2 m above the floor, where should they place a 20 cm tall tin coffee can to catch the ball when it lands?
asked by samantha 
Physics
A .45 kg shuffleboard puck is given an initial velocity down the playing surface of 4.5 m/2. If the coefficient of friction between the puck and the surface is .2, how far will the puck slide before coming to rest?
asked by anonymous 
English
I have to research Sopocles and I'm stuck on a few of these statements about him: 1.I think he won more first place prizes for his plays than any other playwright in history, correct? 2.I think he was a priest, correct? 3.This one I'm stumped on and I've
asked by Samantha 
reading
what sentence can i write using the words audience and menorah
asked by jennifer white 
geography
What problems might exist in the Western Cordillera region for farming and transportation?
asked by Kim 
statistics
what is the inter quartile range of a set of numbers adding to to 76
asked by regina 
Algebra Splitting the Cost
The cost of renting a bus to go snowboarding was split evenly by the 20 students planning to go. The day before the trip, 10 more students decided to go. Dividing the cost evenly among all 30 students brought the average cost down by $9.00 per person. What
asked by Linda 
MATH(Statistics)
Students are given three chances to pass a basic skills exam for permission to enrol in Calculus. Sixty percent of the students pass on the first try, of those that fail on the first try, fifty four percent pass on the second try, and of those remaining,
asked by Anonymous 
trig
Solve for ¥è in the equation tan ¥è = 2.42 when 180¨¬ < ¥è < 360¨¬. Round your answer to the nearest tenth of a degree. (Enter only the number.)
asked by Parker 
MATH QUIZ
Round each number to the underlined place value. 1. 15.6571 > the underlined word is 5 2.
asked by Brooke 
geometry
how do we know 7,4,5 are the sides of triangle
asked by michael 
Physics
An object is dropped from rest. What is its instantaneous speed when it has been in motion for 5 s? The acceleration of gravity is 9.8 m/s2 . Answer in units of m/s
asked by reb 
math
kenneth has 22 math problems to do for homeworks he has 12 problems done. How many more problems does he have left? If he completes 1 problem every minute, how many more minutes does he have to work?
asked by wonderer 
Chemistry
when doing a lab experiment on limiting reagents for CoCl2 there is a chart to fill out that says to find the concentration of test tubes 16, find the volume delivered and find the moles of CoCl2. How would I find the moles of CoCl2 for each test tube?
asked by Hannah 
Math(Statistics)
A certain soccer team wins (W) with P(W)= 60%, loses(L) with P(L) = 30%, and ties (T) with P(T) = 10%. The team plays three games over the weekend. a.Determine the elements of the event A that the team wins at least twice and does not lose. b.Find P(A)
asked by Anonymous 
geometry
find the area of the sector with 80 degree angle and radius=8
asked by sita 
English
Hi I'm writing an essay about NoNo Boy. Does the following sentence sound alright, if not how do I make it sound better. Two significant problems in this novel for him is overcoming self blame along with dealing with culturally assimilating himself to
asked by Jake 
math
does 13 go into 60?
asked by drea 
English Literature
In Macbeth there are 3 main themes: Gender, The Supernatural, and Ambition. What are 5 examples of each?
asked by Jacklyn 
math
I need a few examples of Arithmetic sequences in our daily lives. I also need the general formula of an arithmetic sequence. Can anybody help?
asked by Howler 
SCIENCE
NEED HELP WITH EXAMPLES IN SCIENCE
asked by BONNIE 
physics
A soccer ball of diameter 29 cm rolls without slipping at a linear speed of 3.6 m/s. Through how many revolutions has the soccer ball turned as it moves a linear distance of 18 m?
asked by kat 
nglish
can you please give me some tips on how to start a interview.In a interesting way that will appeal the readers and to keep them entertained. THANK YOU
asked by Anonymous 
physics
How do you know what element is chemically active on the periodic table? PLS HELP
asked by ted 
math
I have a question that is asking me "How many factors does each of the following numbers have? 12^4=
asked by christy 
Chemistry
A few Drops of HCl spilled over in the CaCO3 sample. Will the Reported percent of CaCO3 be too high, too low or unaffected?
asked by Agostinho 
math
How many factors does each of the following numbers have? 7^3 * 11^3 =
asked by christy 
science
NEED HELP WITH EXPLANATIONS FOR THE WORD'S EVAPORATION CONDENSATION AN PERCIPITATION PLEASE SOMEONE HELP US
asked by BONNIE 
precalc
How do u solve (fg)(x) when f(x)=4x/7 +7 and g(x)=6/x Ok so its (fg)(x)=4x/7 +7  (6/x) But how do u simplify it from there? Thanks!
asked by cade 
Chemistry
I don't know how to set up this problem...can you help? How many milliliters of 6.00M HCl are required to react with 150 mL of 1.48 M Al(OH)3? Al(OH)3+3HCl to AlCl3 + 3H2O
asked by Nicole 
math algebra 1
What is the least positive integer that is divisible by all whole numbers from 1 to 9?
asked by Summone 
gtcc
From 0 degrees to 90 degrees  what is the highest m (slope) value that a passenger train currently carries passengers (worldwide)?
asked by bp 
spanish
can someone tell me what this means please Esta campana muda en el campanario, esta mitad partida por la mitad, estos besos de Judas, este calvario, este look de presidiario, esta cura de humildad. Este cambio de acera de tus caderas, estas ganas de nada,
asked by Lydia 
Women in Society
How does the way a society treats and regards its women affect the way outsiders perceive that society? How do you think cinema  and other forms of pop culture and mass media  affect that perception?
asked by Ana 
math
solve for x AB=24, MB=2x+4
asked by sarah 
Math
In how many different ways may the four officers be seated?
asked by Ricky 
to ms.sue
thanks for answering my questions all the time.you always give me a lot of ideas.write back!see you!
asked by jennifer white 
English
I am writing a paper on a farewell to Arms can someone help me find sources on characterization or realism that are found within the novel?
asked by Christopher 
Writing
Can you add figurative or tell me where I could add it, check my title, proofread, and help me show creativity? Freedom Doesn’t Come Free What is something you can never show much gratitude for? Well, veterans have done many things for our country.
asked by Summone 
Velocity and Acceleration
A car is travelling on a highway Can it have a negative velocity & a positive acceleration at the same time? Can the car change d direction of its velocity when travelling with constant acceleration?
asked by Untamed 
Language
What are the proper nouns in this sentence? "Vincent Massif is the name of the highest point"
asked by a 
Word Problem Help Please
The cost of renting a bus to go snowboarding was split evenly by the 20 students planning to go. The day before the trip, 10 more students decided to go. Dividing the cost evenly among all 30 students brought the average cost down by $9.00 per person. What
asked by Linda 
ms.sue
how old are you?
asked by jennifer white 
Melillo Middle shcool
I need to work up a 5th grade Explorer recruitment Post for my Sicence class on Sir Frances Drake. an you give me information
asked by Roxy 
literacy
what are the syllables for the word attentively
asked by jennifer white 
physics
if a car can accelerate at 6m/s2, how fast can it accelerate if it is towin an identical car behind it?
asked by Erica 
physics
In suddenly the value of G, the gravitational constant, increased to a billion times its actual value, what sorts of things would happen?
asked by christina 
critical thinking (just explain the question plz)
can u explain this question for me or rephrase it because i don't understand what it means by factbased subject matter or valuebased subject matter. Does your hypothesis test factbased subject matter or valuebased subject matter? Briefly explain.?
asked by allie 
website
i need a wedsite to help me dengin a moldol of a simple machine for a proget any ideas
asked by sam 
Chemistry
Calculate [H3O+] and [OH] in 0.22 M KOH(aq). This is a strong base.
asked by maria 
English
I am writing an English paper and I was wondering if one is supposed to always capitalize the word gothic? What are the rules? My paper includes phrases such as: gothic genre gothic mother gothic conventions gothic story gothic characteristics gothic tale
asked by Grayson 
MATH
Consider an amortized loan of $10,000 ( with 10.0% interest compounded monthly) paid back over two yrs in equal, monthly installments. For each of the first two months, calculate three things: the interest paid for the month, the amound of the principal
asked by Julian 
English
I still have some doubts and a few sentences to check I can't understand. Can you help me? 1) How was Elizabethan theatre structured? 2) Do you say "correcting fluid" or corrector fluid? 3) Student's card OR student card. I also need to check these
asked by Henry2 
Social Studies 9
18th century france propose some reasons why women were unable to keep leadership positions during the reign of terror and its aftermath. HELP I NEED IT BY TOMORROW!!!
asked by Stephanie 
physics.pls help
How do you know what element is chemically active on the periodic table? PLS HELP
asked by ted 
Chemistry
What is the molarity of H2SO4 in a solution prepared by adding 15.0 mL of 6.0 Molarity H2S04 to enough water to make 100.0 mL of solution?
asked by Andrea 
Physics
Show that there is no Brewster’s angle for s polarization.
asked by Bob 
Math
explore the significance of the coefficient "a" in determining the shape of the graph of y=ax.[
asked by Devin 
physics
from what height should you drop your physics textbook so that it takes 0.2 seconds for it to fall? ftom what height would you drop a baseball so it takes 0.2 seconds for it to fall?
asked by m kay 
GChem
How man grams of Fe+3 are required to make 1.0L of an aqueous solution of 10 ppm Fe+3: (Assume the densit of water is 1.00g/mL)
asked by Margaret 
Physics
Show that there is no Brewster’s angle for s polarization.
asked by Bob 
physics
A rocket blasts off vertically from rest on the launch pad with an upward acceleration of 2.80 . At 30.0 after blastoff, the engines suddenly fail, which means that the force they produce instantly stops.
asked by mandy 
chemistry
calculate the debroglie wave length for each of the following a. the proton with the velocity of 75 percent of the speed of light.
asked by Rebecca 
PHI103 Informal Logic
construct three different arguments that display distinct fallacies. Give an explanation of why each makes a mistake in drawing the conclusion it does. Review your classmates’ examples and see if they, in fact, commit the fallacy identified.
asked by leslie 
English
I left out a sentence. I don't know which form is best. 1)I would be really grateful to you if you could send me the names of Irish high schools which might be interested in a partnership with our school. 2) It doesn't matter if German is not taught at
asked by Henry2 
Math
The population, P (in thousands), of a town can be modeled by P= 2t6+4, where t=0 represents 1990. During which two years does the town have a population of 8000? Can someone show me the steps to this problem?
asked by Cassie 
Linear Algebra
Find the inverse of the matrices if they exist. Use the algorithm introduced in this section. 1 2 1 4 7 3 2 6 4
asked by Allan 
Psychology
Do know of any scholarly websites that discusses confronting a difficult coworkers who are chronic complainers?
asked by Sharon 
Physics
You are on a treasure hunt and your map says "Walk due west for 52 paces, then walk 29.6° north of west for 40 paces, and finally walk due north for 25 paces." What is the magnitude of the component of your displacement in the following directions? (a)
asked by Taylor 
health care
what is the relationship between levels of confidence and statistical significance?
asked by confused! :( 
physics
A projectile is fired with an initial speed of 26.0 m/s at an angle of 30.0 above the horizontal. the object hits the ground 9.00 s later
asked by Anonymous 
Physics
A skateboarder shoots off a ramp with a velocity of 6.5 m/s, directed at an angle of 62° above the horizontal. The end of the ramp is 1.5 m above the ground. Let the x axis be parallel to the ground, the +y direction be vertically upward, and take as the
asked by Taylor 
Socials
Definitions... Militarism: The belief that the military is the answer to problems a nation has. Alliance: Relationship between states. Balance of power: Sharing of power that no single nation can control or mess about with. Dreadnought: Largest battleship
asked by Mysterious 
Physics
A skateboarder shoots off a ramp with a velocity of 6.5 m/s, directed at an angle of 62° above the horizontal. The end of the ramp is 1.5 m above the ground. Let the x axis be parallel to the ground, the +y direction be vertically upward, and take as the
asked by Taylor 
Exchange Rates Help
Hello, How do you know if the Canadian dollar is rising or falling relative to the US dollar? Is 0.95 CAD/USD good or bad? Thanks very much for your help.
asked by Anonymous 
Math
Your bank account balance is 20.85. you deposit $15.50. What is your new balance?
asked by Jenny 
Chemistry
I just cant seem to figure out how to get the pH of an acid or base using the ion product of water. A.[H3O+}= 5.6x10ee3
asked by Anonymous 
Calculus
If any body can solve this I would be greatly appreciative. I spent an hour in the tutoring center and no one could solve. Here goes: A spotlight on the ground shines on a wall 12 m away. If a man 2 m tall walks from the spotlight toward the building at a
asked by Linda 
Calculus
Here is the other. Thank you! A kite 100 ft above the ground moves horizontally at a speed of 8 ft/s. At what rate is the angle between the string and the horizontal decreasing when 200 ft of string has been let out?
asked by Linda 
PreCalculus
Please check: 1.Find polar equation of x^2 + y^2 = 10y r^2 for x^2 + y^2 and sin(theta sin for y =r^2=10sin(theta) 2. y=5 r=5/sin 3. x^2+y^2 =x^2 + y^2 =2x+3y
asked by Tonya 
Math Linear Algebra
Find the inverses of the matrices. Let A = 1 2 5 12 b1 = 1 3 b2 = 1 5 b3 = 2 6 b4 = 3 5 Find A^1, and use it to solve the four equations. Ax = b1, Ax = b2, Ax = b3, Ax = b4
asked by Allan 
physics 12
A satellite has an orbital period of 4 hours. what is the altitude? thanks.
asked by wesley 
Number Systems
Convert 103 base 10 to base 2,base 8, base 16
asked by Mike 
English (Urgent)
Hi I'm writing an essay about NoNo Boy. Does the following sentence sound alright, if not how do I make it sound better. I need help soon please! Two significant problems in this novel for him is overcoming self blame along with dealing with culturally
asked by Jake 
biology
depict the following dilutions series: 1:4 1:16 1:64 IN A FINAL VOLUME OF 200ML
asked by shaknocka 
math
express 55 minutes as a frcation of 1 1/3 hours
asked by Karen 
algebra
the width of a rectagle is fixed at 4cm. For what lengths will the area be less than 86cm2
asked by stephanie 
COM/107
WORD PARAGRAPH ON EMOTIONS TO DESCRIBE THE IMPORTANCE OF PURPOSE, AUDEIENCE, TONE AND CONTENT IN ACADEMIN WRITING.
asked by Montoya 
Math HHEEEELLLLLLLPPPPPP
Are theese constant Ratios... 1:2:4:8:16, or are theese constant ratios: 1:2 2:4 4:8 8:16 Are they both wrong? If they are, could you give me 2 examples and explain them please? With 2, I should probably be able to come up with my own.:)
asked by Alice 
history
s how many archers were used during war of the spartans?
asked by joye 
PreCal
how do you find the vertex using two points, when no equation is given and neither points are the vertex? what formula can i use to find it?
asked by Steph 
English
Could you please check these sentences (the various alternatives). Thank you very much. 1) "I didn’t give him my password,” she said. 11) “Shall I wrap the chocolate for you?”, the shop assistant asked me. 2) She denied giving him her password. She
asked by Henry2 
health care
can anyony=ted question? pose help with my previous
asked by confused! :( any one there? 
English Help!!!!
Could you tell me about a person who dominated the poor and uneducated.
asked by Tiffany 
Number systems
Convert 103 base to base 8 & and base 16
asked by Mike 
algebra
If you enter Interstate 40 at mile marker 23 in Sayre, Oklahoma, how far would you need to travel to reach mile marker 125 in El Reno, Oklahoma? After reaching El Reno, you might worry that your vehicle is running low on fuel. You know that your vehicle
asked by hannah 
Physics
is force and normal force the same thing? if not what is the difference. for instancee if a problem said given a force of 20 newtons. would normal force be 20 newtons? please answer !!!!!!!!!
asked by Tina 
math
ms.goldfarb has 12 turqoise beads and 3 times as many amber beads. she is making 8 pins with the same number of beads on each pin. how many beads will be on a pin?
asked by kylie 
Spanish 9th grade
Is this how I say the spider is smaller than the lizard? La araña es más pequeña que la iguana.
asked by Jeff 
physics 12
a 1kg satellite has an orbital period of 4 hours. what's the altitude?
asked by wesley 
physics
number of pickup trucks and the number of points.What goes on the x axis
asked by Anonymous 
early childhood education
voters have been historically nwilling to underwrite a school age child care system because a)they werent voting because they didn't have time b)two parents staying at home seemed to be a much better idea c)they believe that child care was responibility of
asked by Dionne 
Math
I have to find the prime factorization of each number and write down the answers with exponents when repeated factors appear. eighteen, four hundred eighty, six hundred forty Next, I need to write this fraction in lowest terms. onehundred sixtyfive over
asked by Alex L. 
science project
abbreviation for HOT
asked by sandy 
calculus
if f(x)=25x^2 and g(x)=5x, what is the rule for the function (fg)(x)?
asked by Anonymous 
precalculus
a ship passes by buoy b which is known to be 3000 yd from peninsula p. the ship is steaming east along line be and angle pbe is measured as 28 degrees. after 10 min., the ship is at s and angle pse is measured as 63 degrees. how far from the peninsula is
asked by tatiana 
math
if f(x)=9x^2 and g(x)=x^2+4, find (g o f)(x) and (f o g)(x)
asked by Anonymous 
English
I left out one more thing. 1) I have a doubt: How is Elizabethan theatre structured (or the Elizabethan theatre) structured?
asked by Henry2 
chemistry
can someone please show me the steps of setting up the emirical formula for NaN3
asked by cheryl 
Exchange Rates Help
What are some possible explanations for the differences between the Canadian and American prices of identical items?
asked by Anonymous 
Physics
A mass of 18 kg is being pushed up a frictionless incline with a constant force of 20 Newtons directed parallel to the incline, up the incline. At the top of the incline the mass is moving at 23 m/s up the incline. If the angle of inclination is 58 degrees
asked by Tina 
math
How do I solve this problem how many 2/3 x 3 inch slices can I get out of eight 12 x 6 inch cakes?
asked by Debbie 
Physics
A mass of 5.6 kg lies at the top of a frictionless incline. It is inclined at an angle such that the normal force on the mass is 30 Newtons. If the length of the incline is 58 meters and the mass is originally at rest at the top of the incline and then
asked by Tina 
Physics
A mass of 5.6 kg lies at the top of a frictionless incline. It is inclined at an angle such that the normal force on the mass is 30 Newtons. If the length of the incline is 58 meters and the mass is originally at rest at the top of the incline and then
asked by Tina 
physics
To start an avalanche on a mountain slope, an artillery shell is fired with an initial velocity of 350 m/s at 51.0° above the horizontal. It explodes on the mountainside 40.0 s after firing. What are the x and y coordinates of the shell where it explodes,
asked by jon 
Physics
A mass of 8 kg lies on a horizontal, frictionless floor. A force of 72 Newtons pushes to the left (negative x direction) with a force of 72 Newtons. Another force of unknown magnitude pushes the mass in a direction of 21.4 degrees above the positive x
asked by Tina 
Chemistry
would you expect calcium to have a higher or lower boiling point than potassium
asked by Anonymous 
Statistics
A national survey of small businesses reports that 70% of all small businesses now have a website. Assume that for a randomly selected group of 30 small businesses, the number with a website has a binomial distribution. In a random sample of 30 small
asked by Miranda 
Physics
A mass of 11 kg is placed on a frictionless incline which is inclined at an angle of 69 degrees above the horizontal. It is held in place by a rope which is attached to a wall at the top of the incline. The rope is angled 13 degrees above the direction
asked by Tina 
calculus
Find the derivative of the function. y=cos((1e^x)/(1+e^x)) Please show all work and explain. I am very confused
asked by Anonymous 
algebra
what are rational expressions? Why must we always be mindful of the final value of the denominator in a rational expression? For example, consider the rational expression 3x/(x2 – 16). What values in the denominator must we be mindful of? Explain why.
asked by thresea 
Algebra 2 (Distance Problem)
A train leaves Union Station for Central Station, 216 km away, at 9 A.M. One hour later, a train leaves Central Station for Union Station. They meet at noon. If the second train had started at 9 A.M., and the first train at 10:30 A.M., they would still
asked by Peter 
Government US
Marx argued that a freemarket system is exploitative because a. workers’ wages are lower than the value they add to production. b. consumers pay higher prices for goods than it costs to produce them. c. all private transactions are inherently unjust. d.
asked by HM 
Chemistry
Find the standard entropy (S^0) of ice at 25K. delta Hfus = 6009 J/mol and Cp of ice = 38 J/molK.
asked by Jessica 
physics
A motorist drives south at 26.0 m/s for 3.00 min, then turns west and travels at 25.0 m/s for 2.40 min, and finally travels northwest at 30.0 m/s for 1.00 min. For this 6.40 min trip, find the following values.find displacement, average speed, and average
asked by jon 
Algebra 2
At a county fair, adults' tickets sold for $5.50, senior citizens' tickets for $4.00, and children's tickets for $1.50. On the opening day, the number of children's and senior's tickets sold was 30 more than half of the number of adults' tickets sold. the
asked by Peter 
social studiesAmrican History
The studentwill describe the reasons, successes and failures of Englands first attempts to start colonies in North America.
asked by Alice 
Algebra 2
At a county fair, adults' tickets sold for $5.50, senior citizens' tickets for $4.00, and children's tickets for $1.50. On the opening day, the number of children's and senior's tickets sold was 30 more than half of the number of adults' tickets sold. the
asked by Peter 
Government USAHelp
Supplyside economics, during President Reagan’s administration, involved a. the supply component of the supplydemand equation. b. stressing the importance of tax cuts for businesses. c. stressing the importance of tax cuts for the wealthy. d. an
asked by HM 
calculus
Water is leaking out of an inverted conical tank at a rate of cubic centimeters per min at the same time that water is being pumped into the tank at a constant rate. The tank has height meters and the diameter at the top is meters. If the water level is
asked by neil 
American Government
Which is true regarding the nation’s environmental policy? a. The first major steps by the national government to clean up the environment began in the early 1900s. b. A majority of the public is sympathetic to environmentalism. I would say B is the
asked by HM 
physics
An airplane maintains a speed of 597 km/h relative to the air it is flying through as it makes a trip to a city 759 km away to the north. (a) What time interval is required for the trip if the plane flies through a headwind blowing at 36.0 km/h toward the
asked by jon 
calculus
Water is leaking out of an inverted conical tank at a rate of 1600.0 cubic centimeters per min at the same time that water is being pumped into the tank at a constant rate. The tank has height 10.0 meters and the diameter at the top is 3.5 meters. If the
asked by neil 
Social StudiesAmrican History
Descibe the factors that led to the founding of the colonies such as the escape from religous pesecution, economic oppertunity, release from prison and military adventure Know any good sites???
asked by Alice 
Language arts
Is "white as a ghost" an idiom?
asked by Aaron 
calculus
A street light is at the top of a 20 ft tall pole. A woman 6 ft tall walks away from the pole with a speed of 6 ft/sec along a straight path. How fast is the tip of her shadow moving when she is 35 ft from the base of the pole?
asked by neil 
calculus
A particle is moving along the curve y=5sqrt(3x+1). As the particle passes through the point (5,20) its xcoordinate increases at a rate of 3 units per second. Find the rate of change of the distance from the particle to the origin at this instant.
asked by =/ 
s.s
how does gps works
asked by tom 
US Gov
The reason a statement specific to state powers was not part of the original U.S. Constitution was that: a. New York delegates refused to allow discussion on the matter. b. it was assumed to be obvious. c. it was deleted under the Virginia Plan. d. no such
asked by Brooke 
AP macroeconomics
Ok, I have a question. There is a production possibilities frontier graph (it's linear) labeled with 2 products that can be made on the axes for 2 sets of data regarding each person (rancher and farmer.) A point is labeled in the middle of the line of data
asked by joseph 
literacy
attentively, is it: A.a\tten\tive\ly B.a\ttent\ive\ly or any other
asked by jennifer white 
PreCalculusPlease check
Please check: 1.Find polar equation of x^2 + y^2 = 10y subbed r^2 for x^2 + y^2 and sin(theta sin for y =r^2=10sin(theta) 2. y=5 r=5/sin 3. x^2+y^2 =x^2 + y^2 =2x+3y
asked by Tonya 
chemistry 12
Calculate [H3O+] and [OH] in 0.18M hydrobromic acid, HOBr(aq), having a K of 2.0x10^9? I got 9.0x10^8
asked by Jacob 
Valpo high school
pola develops a new espresso machine, which she means "Quik Shot" she also writes the operating manual. Pola can obtain trademark protection for
asked by Beath 
math
got 23 out of 50 where worth is 50, if the final exam is out of 77, how many ,marks need to score to get 50
asked by Anonymous 
statistics
in a class of 40 student,18 pass maths, 19 pass account,16 pass economics 5 pass maths and account only, 6 pass maths only, if each student pass at least one of the subject.find the percentage number who fail in at least one of economics and maths. how
asked by kenneth 
physics
if i am pulling a wagon full of puppies that are in dynamic equilibrium must be the net force on the puppies
asked by samir 
Physics
A mass of 18 kg is being pushed up a frictionless incline with a constant force of 20 Newtons directed parallel to the incline, up the incline. At the top of the incline the mass is moving at 23 m/s up the incline. If the angle of inclination is 58 degrees
asked by Tina 
Physics
The driver of a 1350 kg car, initially traveling at 10.6 m/s, applies the brakes, bringing the car to rest in a distance of 15.0 m. Find the net work done on the car. Not sure how to set this problem up.
asked by Help 
statistics
Nownes (2000) surveyed representatives of interest groups who were registered as lobbyists of three U.S. state legislatures. One of the issues he studied was whether interest groups are in competition with each other. Table 1?10 shows the results for one
asked by fuzzie530 
history
When were hunter gatherers around in america? why and when(a date or range would be great) did they settle down?
asked by hannah 
Arts and Science of quality of Learning
How to write a objective question
asked by Patricia 
Physics
how do you find the magnitude of the mass's velocity?
asked by Tina 
social
about Sam Huston
asked by laxi 
Satistics
5. Give the standard deviation for the mean and median column. Compare these and be sure to identify which has the least variability? Standard deviation of Mean = 0.476169 Standard deviation of Median = 0.753937
asked by Hope 
subtract with decimal
$546.00 / 10.50 = I am not sure how to do steps in long division with decimal can you show me?
asked by Marko 
Enegry
Are there ways to have more enegry. You see during second period yesterday like during gym we were during war ups (ugh I HATE THE WAR UPS) ans when I was running, & skipping I felt so tired & losing enegry so is there any ways I can have MORE MORE MORE
asked by Laruen 
culinary arts
_________________ is an uncooked mixture of equal parts butter and flour, used as a thicking agent.
asked by Michelle 
compatable numbers
use compatable numbers to estimate the answers to the following 2 problems. show work 21.98 / 2.56 28.56 / 6.95
asked by Marko 
culinary arts
a(n) ___ is a uniform mixtue of two unmixable sustances.
asked by Michelle 
math
Two twin brothers each have two favorite sweat shirts that they wear every other day. One day, dad decides that all four sweat shirts need to be washed! He takes all four shirts and washes and dries each. After washing the shirts, he cannot tell which
asked by MATH HELP PLEASE 
culinary arts
______ is a cold, uncooked Spanish soup made of pureed raw vegetables.
asked by Michelle 
spanish
what is the difference gramtically between these two sentences Necesitamos sillas más cómodas. Se necesitan sillas más cómodas.
asked by Julia 
calculus
Find the domain of 2x^35 divided by x^2+x6
asked by Anonymous 
Algebra 2 (Diophantine Equations)
Find all positive integer solutions for 13x + 9y = 190 using Diophantine equations.
asked by Peter 
Chem
Name the industrial process in the air separation plant that can be obtain oxygen from liquefied air.
asked by Nicole 
physics
When a 2.50kg object is hung vertically on a certain light spring described by Hooke's law, the spring stretches 3.13 cm. a)What is the force constant of the spring? b) If the 2.50kg object is removed, how far will the spring stretch if a 1.25kg block
asked by Anonymous 
Chem
State the hazard warning label that should be shown on a jar of oxygen.
asked by Nicole 
science
If a ball rolls North 5 meters in 2 seconds, what is its speed?
asked by Gwinn 
Math
Simplify (2/3)^4
asked by Loe 
Chem
State one physical property and one chemical property of oxygen. Physical property: Chemical property:
asked by Nicole 
math
multiply and combine like terms 5(3x2y)  (x+6y)
asked by Loe 
chemistry
How many moles of sodium bicarbonate are contained in 1mL of a saturated solution of NaHCO3 (approximately 1g of solute is dissolved per 9mL solution)?
asked by Tiffany 
grammar
need to know some examples for the nominative comparative and superlative of irregular words apart from good better best , bad worse worst and little less least
asked by sara 
Literacy
This is a brief story on Jackie Robinson's life and I have to make a sequence of important events in his life and the first one was done for me: Jackie Robinson was the first African American baseball player to play in the modern Major leagues. He played
asked by Candy Corn 
GCC
I need to summerize a research paper that is mainly made up of quotes. How do I summerize it when is consist of quoting a quote. How do I structure my paper when the person that wrote the paper has so many quote. I hope this makes sense? Is there a way to
asked by jesse 
English
Which of the following would be an example of an emotional appeal that is part of a persuasive message? A. Written agreement are binding. B. There is reliance on nonverbal signs to communicate. C. Oral agreements are not binding. D. There is a preference
asked by Donna 
Physics
A shell is fired from the ground with an initial speed of 1.68 103 m/s at an initial angle of 37° to the horizontal. (a) Neglecting air resistance, find the shell's horizontal range. m (b) Find the amount of time the shell is in motion. s
asked by Sydney 
question
But critical writing like argumentative essays have structure. (can you tell me what is wrong with this message?)
asked by tim 
physics
How to solve: If a man walk with speed of 2km/hour and rain fall became in the shape of 90 degree.then find out velocity n direction of rain if man walk with speed of 4km/hour and angle of rain is 45 degree
asked by Anonymous 
chemistry
a solution was perpared by dissolving 4.765 g of AlCl3 in enough water to give 250 mL of AlCl3? a. how do you calculate the molarity of the solution b. how do you calculate the osmolarity of the solution
asked by Anonymous 
chemistry
Suggest a solvent pair for NBromosuccinimide using the following solubility data. Solubility of NBromosuccinimide (g/100g of solvent) Tertbutanol 0.73 Hexane 0.006 Glacial acetic acid 3.10 Acetone 14.40 Carbon tetrachloride 0.02
asked by Anonymous