Questions Asked on
September 27, 2011

Physics
A 0.28kg stone is held 1.5 m above the top edge of a water well and then dropped into it. The well has a depth of 4.8 m. (a) Taking y = 0 at the top edge of the well, what is the gravitational potential energy of the stone–Earth system before the stone
asked by Anonymous 
Physics
A man stands on the roof of a 15m tall building and throws a rock with a velocity of magnitude 30m/s at an angle of 33deg above the horizontal. Ignore air resistance. Calculate: a) the maximum heigh above the roof reached by the rock b) the magnitude of
asked by Kyle 
chemistry
Ammonia chemically reacts with oxygen gas to produce nitric oxide and water . What mass of ammonia is consumed by the reaction of 4.5g of oxygen gas? Round your answer to significant digits.
asked by Anonymous 
Grade 12 Data Management
There are 12 questions on an examination, and each student must answer 8 questions including at least 4 of the first 5 questions. How many different combinations of questions could a student choose to answer?
asked by Rebecca 
CHEM AP
Complete and balance the following equation. MnO4^‾ (aq) + CH3OH(aq) ¨ Mn^2+(aq) + HCO2H(aq) (acidic solution) I KNOW ITS a redox, so i followed the steps and got: 4MnO4^ (aq) + 5CH3OH (aq) + 11H2O (l) + 12H^+ (aq) ¨ 4Mn^2+ (aq) + 5HCO2H (aq) can
asked by komal 
science  physics
A plane flies with a velocity of 52 m/s east through a12 m/s cross wind blowing the plane south. Find the magnitude and direction (relative to due east) of the resultant velocity at which it travels.
asked by michelle 
social studies
give me examples of physical features?
asked by jennifer white 
physical science
give one word/term for each of the following descriptions. 1.A substance that donates electrons in chemical reaction. 2.The formula showing the simplest whole number ratio in which the atoms combine to form a compound.
asked by marcia 
Algebra2
There are 52 blades of grass in 2 square inches of lawn. there are 580 blades of grass in 8 square inches of the same lawn. what equation models the y blades of grass found in x square inches of lawn?
asked by Hollie 
statistics
at a certain college, there were 700 science majors,100 engineering majors and 500 business majors. if one student was selected at random, the probability that they are an engineering major is?
asked by carol 
Business Communication
Indicate the alternative that both correctly evaluates the following sentence and correctly explains the reason for the evaluation. "As soon as you provide your date of birth on Line 2, your application for a flexible spending account will be processed."
asked by Kasey 
pre cal
please help don't understand this...Assume f(x) = 2x + 8 and g(x) = 5. What is the value of (f + g)(3)?
asked by random person 
geometry
measure of angle ABC=4x12 measure of angle ABX=24 BX bisects ABC solve for X and find the measure of angle ABC **page 48 # 11 of prentice hall,california geometry**
asked by Terry 
Body systems/ terminology
Which of the following best describes the overall function of hormones? A. To control physiological processes in the body B. To provide a pathway for nerve messages C. To stimulate the growth and maturation of body organs D. To determine masculine or
asked by Esme 
Business Communication
Is the subject line "Improving Customer Service" appropriate in a message to superiors? a. Yes, because it focuses on solving the problem. b. No, because the word "service" makes the subject line seem negative. c. No, because the boss is likely to think
asked by Kasey 
physics 11
A 1200 kg car on a horizontal surface starts from rest and accelerates uniformly to 72 km/h in 20.0 s. Friction exets an average force of 450 N on the car during this time. a) what is the net work done on the car b) how far does the car move during this
asked by janeae 
organic chemistry
what compound would form if acetyl salicylic and sodium hydroxide are reacted?
asked by tonya 
Geometry
Write a two column proof. Given: angle STV is congruent to angle TVU, angle STU is congruent to angle UVS. Prove: Angle SVT is congruent to angle UTV.
asked by David 
Math
A basketball team won 28 more games than they lost. They won 35 games, how many games did they play? Please help, Thanks!
asked by Sam 
English
what is the adjective in sentence "Sam sees a yellow bus"
asked by Natalia 
physics
A Christmas tree ball will break if dropped on a hardwood floor with a speed of 2.0 m/s or more. If it falls 15 cm from a tree branch to the floor, will it break?
asked by Anonymous 
chemistry thank you
concentrated sulfuric acid has a density of 1.84 g/ml. calculate the mass in grams of 1.00 liter of this acid
asked by grace 
chemmistry
30.ml of carbon tetrachloride (density=1.595g/ml)is added to a graduated cylinder that weighs 47.98 g. what will be the weight of the cylinder plus the carbon tetrachloride?
asked by ginger 
psychology
Some children require a "carrot on a stick" to get them to clean their room, behave well in public places, or make good grades. This suggests that?(a.) the incentive approach pulls the child toward the goal. (B.)the drivereduction approach guides the
asked by lachelle 
psychology
Some children require a "carrot on a stick" to get them to clean their room, behave well in public places, or make good grades. This suggests that?(a.) the incentive approach pulls the child toward the goal. (B.)the drivereduction approach guides the
asked by lachelle 
math
3000 exercise books are arranged in 3 piles.The first pile has 10 more books than the second pile.The number of books in the second pile is twice the number of books in the third pile.How many books are there in the third pile?
asked by miki 
math
10x10x(8x8)=
asked by estevan 
trig
Find a cofunction with the same value as sin 19 degrees
asked by Jessica 
3RD GRADE MATH
WHATS THE ANSWER TO 10 + ? = 20 + 110
asked by MAJESTI 
Geography
What are the capitals of the two states that border both the Mississippi and Ohio Rivers?
asked by Sean 
chemistry
Suppose we want to charge a flask with 4.0 g of sugar. We put the empty flask on a balance and it is determined to weigh 190 g. Enter the weight we would expect to see on the balance when we're done adding the sugar.
asked by haley 
chem
Suppose it takes 35 min for 4.0 g of sugar to completely react with another reagent added to the flask. What would the reaction rate be?
asked by bobby 
algebra find the outlier
i need to find the outlier of each set of data. and I need to describe how the outlier affects the mean? 1) 75 72 74 46 77 70 80 68 2) 15 12 19 0 20 14 3) 5.3 5.1 5.2 14.7 5.8 5.9 5.4 4) 4 1 16 2 0 3 6 2 i got for the outlier the highest value
asked by Marko 
computer science
Write a declarations and input statements necessary to read each of the following sets of data values into variables of the appropriate types. You choose the names of the variables. In some cases, punctuation marks or special symbol must be skipped. a. 100
asked by Marilyn 
Chemistry
What is the oxidation number of chromium in K2Cr2O7? I know that K = 1 O=2 so 7*2=14 I do not know what to do now. Thank you for your help!
asked by Hannah 
history
Was the Declaration of Independence a conservative or liberal document? According to the 18 century definition of conservative and liberal.
asked by samuel 
physics
Objects of masses m1 = 4.00 kg and m2 = 9.00 kg are connected by a light string that passes over a frictionless pulley as in the figure below. The object m1 is held at rest on the floor, and m2 rests on a fixed incline of θ = 41.0°. The objects are
asked by trey 
physics
an empty coal car is moving along the tracks to a loading chute a 7km/hr., the mass of the empty car is 2000kg what is the speed of the loaded coal if the total mass of the car is now 10000 kg? give you answer in meters per second.
asked by mercedes 
Math
The riddle of my paper is asking "What Do the Fans Sing at University of California Football Games? Please help me out. The page is 75.
asked by Anonymous 
math
how do you find the square root of 57 and then round to the nearest tenth
asked by seth 
PreCalc
Please check my answers; 1.Which of the folowing is another representation of (3,pi)? (3,120degree) (3,0 degree)I think it is this one?? ((3,0 degree) 2.Which is not a representation of (5,150 degree) (5,30 degree)I think it is this one? (5,330
asked by Jonathan 
Social Studies
How did Henry the Navigator help more people explore??
asked by Mary 
calculus
If an equation of motion of a particle is given by s(t)= Acos(ùt + ä), the particle is said to undergo simple harmonic motion. Find the velocity of the particle at time t. When is the velocity 0?
asked by Belinda 
Physics
A person pushes on a 62kg refrigerator with a horizontal force of 256 N; the minus sign indicates that the force points in the −x direction. The coefficient of static friction is 0.61. (a) If the refrigerator does not move, what are the magnitude and
asked by Natalie 
maths
an isosceles triangle is such that each of the base angles is twice the vertical angle. Find the angles of the triangle
asked by ferjam 
trig
Suppose that the point P(13,30) is on the terminal side of the angle theta in standard position. What is sin(theta)? Give your answer to the nearest thousandth
asked by zack 
PreCalcPlease check I'm desperate
Please check my answers I really need to do my homeowrk!;This are polar coordinates we're studyingI'm almost positive the first two are correct. 1.Which of the folowing is another representation of (3,pi)? (3,120degree) (3,0 degree)I think it is this
asked by Jonathan 
Math
Why did the cow keep jumping over the barrel
asked by Anonymous 
chemistry 1
From data below, calculate the total heat (J) needed to convert 0.757 mol of gaseous ethanol (C2H6O) at 151°C and 1 atm to liquid ethanol at 25.0°C and 1 atm. Boiling point at 1 atm 78.5°C cgas 1.43 J/g·°C cliquid 2.45 J/g·°C ΔH°vap 40.5 kJ/mol
asked by Madison 
math
Six hundred pennies are placed in a row. If every other penny is replaced by a nickel and every third coin is replaced by a quarter, what is the final value of the 600 coins?
asked by mel 
Chemistry
Hard water contains Ca ,Mg ,Fe and , which interfere with the action of soap and leave an insoluble coating on the insides of containers and pipes when heated. Water softeners replace these ions with Na. If 1100. of hard water contains 0.021 M of Ca and
asked by Brennan 
statistics
1. On final examination in Business Law, the mean was 68 and the standard deviation was 12. Determine the standard scores of students receiving marks of 50?
asked by niki 
Chemistry
Search: How much energy (in Kj) is relased when 25.0g of ethanol vapor at 93, is cooled to 10? Ethanol has a melting point of 114.5, bp of 78.4, specific heat= 2.10J/g, heat of fusion =4.60Kj/mol, specicic heat= 1.9j/g, heat of vaporization = 38.56Kj/mol
asked by Oscar 
help please:)
After completing your study reading, it is vital that you complete which of the following steps? A. answer question B.Go back and read all subheadings again C. complie neat and detailed notes. D. Review and rehearse the main points you just read. i got D
asked by ciara 
math
Mr. and Mrs. Smith each bought 10 raffle tickets. Each of their three children bought four tickets. If 4280 tickets were sold in all, what is the probability that the grand prize winner is: a. Mr. or Mrs. Smith? b. one of the 5 Smiths? c. none of the
asked by Katie 
math
show25 broken key is 5 show in 3 ways
asked by tanisha 
math
suppose ua penguin eats about 5 pounds of akrill aday.about what number of krill does the penguin eat in 100 days (hint :1pound =16 ounces)?
asked by mily 
physics
an arrow is shot from a cliff at an angle of 0 degrees with respect to the vertical at a speed of 30m/sec. It takes 4 seconds for the arrow to hit the ground. how high is the cliff?
asked by gen 
English! URGENT PLEASE HELP!
Sentence for the word BEATIFICALLY?!?
asked by xxxTaraKhanxxx 
chem
the element nitrogen and magnesium react to give magnesium nitride according to the balanced equation N2 + 3Mg = Mg3N2 suppose you have 0.3616 mol of n2 1how many moles of mg are needed for complete reaction? 2what mass of Mg3N2, in grams can be
asked by burrprett 
calculus
Two lines through the point(1,3) are tangent to the curve y=x2. Find the equations of these two lines and make a sketch to verify your results. Thank you
asked by Akanimo 
physics
A force of 1.35 N pushes against an object with a mass of 0.16 kg for 4.00 min. The object does not move. What is the work done on the object by the force?
asked by Anonymous 
Math, Please Help!!!
4/x^2  4x + 3 < 5/x^2  9 This is a rational inequality. it is 4 divided by x squared minus 4x plus 3 is less than or equal to 5 divided by x squared minus 9. Please help!!!
asked by Misty 
chem
mercury melts at 38.87 c. what is its melting point in f ?
asked by Anonymous 
statistics
for a distribution standard deviation=10.If every item is increased by 2 then what will new standard deviation?
asked by Anonymous 
us history
Identify the political, social, and economic aspects of Reconstruction?
asked by dale 
chem
a piece of (density= 10.5 g/ml)dropped into water displaces 21.56 ml of water. what is the mass (in grams) of this piece of silver?
asked by jj 
science
why are minerals important and what are 2 examples
asked by jacob 
statistics
for a distribution standard deviation=10.If every item is increased by 2 then what will new standard deviation?
asked by ria 
social studies
what are the continents that are entirely in the southern hemisphere
asked by erika 
2nd grade math homework
does the broken key 5 means not to use the number5
asked by tanisha 
physics
The sum of two forces, one having a magnitude of 8 N acting due west and other having a magnitude of 6 N acting due north is ___. What is the magnitude of that force? Answer in units of N
asked by Dee 
chemm
find the density of ethyl alcohol if 80.0 cm^3 "weighs" 63.3g.
asked by steven 
biology
Evidence of bacterialike life has been found in fossils that date back between 3.4 and 3.5 billion years. Can you find out what the oldest evidence of multicelled life is?
asked by Anonymous 
MATH help
a certain radioactive isotope has a half life of approx 1,300 years . How many years to the nearest year would be required for a given amount of this isotope to decay to 55% of that amount. So I am not sure where to put the 1,300 1,300=2600*e^t or
asked by HM 
science
what is a life cycle for a frog
asked by tzak 
History
Is it a false statement to say that every single group of people who have wished to establish their independence and their own individuality from a corrupt form of government will eventually succeed at doing so? Like with segregration and everything and
asked by Paul 
chemistry
a rectangular block of the element barium is 5.00cm long , 3.00cm wide and 1.00cm high and it weighs 52.5g. what is the density of the element barium?
asked by kristie 
chemistry
How many milliliters of a stock solution of 5.40 M HNO_3 would you have to use to prepare 0.150 L of 0.510 M HNO_3?
asked by jeff 
Is this write or wrong?
Which of the following is an example of active readiing? A.skimming over information and taking notes. B.reviewing a chapter, question as you read, and review notes. C.speed reading and taking notes in your own words. D. Both B & C. i got B what do you
asked by ciara 
math
The lengths of two sides of a triangle are 6cm and 4cm and the angle between them is 130degree. What is its area?
asked by Haseena 
sociology HS 2nd year
What are some of the rules that the caste system imposes?Give me the ans in point ways.
asked by Pankaj 
Business Communication
Which of the following statements explains why threats are NOT effective for motivating people? a. Threats reduce tension. b. Threats ensure that appropriate actions are not abandoned. c. Threats produce permanent change. d. Threats provoke
asked by Kasey 
chem
given that 140.ml of chlorine gas weighs 0.450 g find the density of chlorine in grams per liter(g/liter).
asked by kenny 
English
Thank you. I just wanted to know if everything is OK. Which sentence should I include (4 or 5)? 1) At the end of the lessons we walked in (??) Dublin and also visited some museums. 2) On weekends we made excursions. 3) On a Saturday we went to Kilkenny, a
asked by Henry2 
calculusderivatives
y=cos^3(12theta) find derivative using chain rule
asked by hailey 
Physics
An automobile accelerates from rest at 1.3 m/s 2 for 19 s. The speed is then held constant for 23 s, after which there is an acceleration of −0.9 m/s 2 until the automobile stops. What total distance was traveled? Answer in units of km
asked by Mathew 
Calc BC
1. Find the indefinite integral. Indefinite integral tan^3(pix/7)sec^2(pix/7)dx 2. Find the indefinite integral by making the substitution x=3tan(theta). Indefinite integral x*sqrt(9+x^2)dx 3. Find the indefinite integral. Indefinite integral
asked by Zooey 
Honors Physics
An automobile accelerates from rest at 1.3 m/s 2 for 19 s. The speed is then held constant for 23 s, after which there is an acceleration of −0.9 m/s 2 until the automobile stops. What total distance was traveled? Answer in units of km
asked by Mathew 
statistics
M=76 then what is the zscore for the sample mean?
asked by kim 
Chemistry
Sam Student calibrates a flask with water at 20C. Patricia Pupil borrows the flask and Sam's calculated volume for the flask, and uses it to do her unknown at 25 C. What, if any specific effect will this have on the results of Patricia's density
asked by Emily 
Social Studies
What are the purposes of a Government. Here are some purposes that I already have : Gov't provides rules/laws for the country, Rights and freedoms, puts limit on what we can and can't do.
asked by Anonymous 
Math
If B is between A and C, AB=6x, BC=8x and AC=42, what is the value of x?
asked by Micki 
math
simplify the following problems. show all work 1) 1[2(3)^3]^2 2) 3{32{103(2)^2}^2]^2 3) 3[47(35)](5)^2
asked by Janae 
Math
If B is between A and C, AB=3x1, BC=2x+4 and AC=38, what is the value of AB?
asked by Michelle 
math
simplify the following problems. show all work 1) 1[2(3)^3]^2 2) 3{32{103(2)^2}^2]^2 3) 3[47(35)](5)^2
asked by Janae 
PreCalc P lease check
Please check my answers; 1.Which of the folowing is another representation of (3,pi)? (3,120degree) (3,0 degree)I think it is this one?? ((3,0 degree) 2.Which is not a representation of (5,150 degree) (5,30 degree)I think it is this one? (5,330
asked by Jonathan 
MATH
GIVE AN EXAMPLE OF THE SUM OF 2 BINOMIALS THAT IS A BINOMIAL
asked by hoover 
Geometry
the measure of an angle is 7 less than 10 times its supplement
asked by Ethan 
chemistry
What is the mass of 1.2 grams of oxygen if it occupies a volume of 500 cubic centimeters at s.t.p?
asked by Chris 
physics
A 70.8 kg man is standing on a frictionless ice surface when he throws a 2.3 kg book at 10.5 m/s. With what speed does the man move across the ice as a result?
asked by Olivia 
Science
if 1.2 g of sodium metal is reacted with 2 mL of H20, how many grams of NaOH will be produced
asked by Philip 
math
if a bag contains 6 red and 4 blue marbles and one is taken out and not put back and another is taken out is the problility that both are red
asked by nicki 
physics
into which part of the fridgefreezer will the rate of heat transfer be greater?
asked by steve 
Is this write or wrong ?
By spending 5 to 15 minutes following the ten steps of study reading , you should improve your absorption and retention of the information by: A. 15%  25% B. 25%  50% C. 30%  40% D. 50%  60% i got D what do you think?
asked by ciara 
science 8th grade
how many periods are there in the main body of the periodic table?
asked by sammie doodles :) 
help please:)
How many supporting details should you develop to back up your thesis? A. Four B.five C.three D.As many as you want I got A. But now im thinkiing its C But ima stay with my first answer which is C What do you think?
asked by ciara 
english
Each of the following exercises shows the original source, and then a student’s sentence and/or citation about that source. Each sentence and each citation has at least one thing wrong with it (most have more than one). Correct each of them Source C: An
asked by Anonymous 
statistic
For a given month, a random sample of 30 sales girls from a superstore has a sample mean of salary of RM 800 with standard deviations of RM 140. Estimate the mean monthly salary for all employees using the 95% confidence interval.(what does mean of 95%
asked by niki 
Calculus
tan^1 (x^2 y) = x+xy^2
asked by Michelle 
math
i am twodigit even number between 60 and 65.my two digits add up to 10.what am i ?
asked by vianey 
physics
what is the average velocity of a vehicle that uniformly accelerates from rest to 38 fps?
asked by lou 
chemistry
a speed sign in England reads 30. km/hr,over what speed in mph (miles/hr) would you get a ticket?
asked by Anonymous 
managment
Toyota used to sit on top of the world. It basked in the reputation of building highquality cars efficiently. It enjoyed unprecedented growth, even surpassing General Motors as the largest car manufacturer in the world. But all of that came tumbling down
asked by Irina 
math
Jen spends half his money on lunch and then spends $1.50 for a magazine. He uses one third of what he has left to pay for the bus ride home, then gives his little brother a quarter.If Jen has three nickles and two quarters left, how much money did he have
asked by Sitara 
help please:)
Asking questions and drawing conclusions will do which of the following? A. Help you stay alert while reading B. Engage you in active reading. C. Help you remember information. D. All of the above. i got C what do you think?
asked by ciara 
math
how can finding 4x3=12 help you find the product of 8x3?
asked by symone 
biology
i didn't really get any help scientific theory of how life began? any ideas like a easy thing to write about plz
asked by Anonymous 
Social Studies
Do Lobbiest/Single interest groups help or hinder? One advantage I have is that they provide funds for the government, and one disadvantage I have is that they sway the government.
asked by smileyface 
chemistry NEED SERIUOS HELP PLEASE!!!!
a)issues of biodegradibility of plastic b)methods of waste disposal and the issues PLEASE HELP THANK YOU
asked by Anonymous 
managment
Group 1 will represent a major tobacco company like R. J. Reynolds or Philip Morris. . Topic that will be debated is: Should tobacco companies cease and desist all advertising in the United States? Each group should thoroughly research the issues. You will
asked by Irina 
English
Posted by rfvv on Monday, September 26, 2011 at 6:24am. 1. This is Jenny Kim from BNN, reporting from the ORBIS plane. 2. This is Jenny Kim from BNN, and it is reporting from the ORBIS plane. 3. This is Jenny Kim from BNN, and she is reporting from the
asked by rfvv 
math
i am threedigit odd number between 390 and 410. my three dijits add up to 7. what am i ?
asked by vianey 
physics
A box of textbooks of mass 24.8 rests on a loading ramp that makes an angle with the horizontal. The coefficient of kinetic friction is 0.25 and the coefficient of static friction is 0.35. At this angle, how fast will the box be moving after it has slid a
asked by Bradley 
calculus
how to find all real zeros of "4x^5+8x^415x^323x^2+11x+15
asked by Suzie 
Chem
After filling a flask with water and allowing 15 minutes in a water bath, a student finds that the water level has dropped. How is this possible?
asked by Anon 
physics
An automobile and train move together along parallel paths at 39.1 m/s. The automobile then undergoes a uniform acceleration of −4 m/s 2 because of a red lightand comes to rest. It remains at rest for 22.5 s, then accelerates back to a speed of 39.1 m/s
asked by Swag 
math
use the order of operations and the digit 4 four times to write problems that have the following answers 44 and 12
asked by molly 
chem
the atom of element A has 2 electrons in its highest energy level N. a)what is the special name given to elements in the same gp as A? i answered as alkali earth metal because the valence electron is 2. am i right?
asked by Yuni 
math
Doug has 170 stamps in his collection. His first book of stamps has 30 more stamps in it than his second book how many stamps are in each book. how do you figure out what P is? Divide 170 by 2?
asked by Katie 
math
A high school has created a table that shows the top athletes that play both football and baseball. Find and describe the intersection of these two sets.
asked by maria 
Science
25 mL sample of KNO3 solution was diluted to 1.000x10^3 mL. The concentration of the final solution is .00383 M. Calculate the concentration of the original solution
asked by Philip 
math
A store mixes Kenyan Coffee worth $11 per Kilogram and venezuelan coffee worth $14 per Kilogram. The mixture is to sell for $12 per kilogram. Find out how much of each should be used to make a 396Kilogram Mixture
asked by Catherine 
math
i have three digits. the ones dijit and the ten's dijits are the same. the ten's digit is 3 less thantheb hundreds digit. the hundreds digit is 6. what am i ?
asked by vianey 
math
emilio can type 60 words in 1 minute marg can type half as many how many total words can emilio and marg type in 3 minutes
asked by molly 
algebra find the mean of each set of data
1) 6 3 2 6 7 3 5 8 2) 17 32 2 6 7 3 5 8 im not sure how to do this i know i need to add up but not sure if im right 1) 40 2) 80
asked by Marko 
statistics
according to a survey of men interviewed 20% had asked for a raise and 59% of the man who asked for a raise received the raise if a man is selected from the survey population of men fine the folowing proability P(man asked for raise and received raise)
asked by Anonymous 
binomials
GIVE AN EXAMPLE OF THE SUM OF 2 BINOMIALS THAT IS A BINOMIAL
asked by hoover 
Math
An aircraft flew 3hrs with the wind. The return trip took 4hrs against the wind. If the speed of the plane in still air is 180mph more than the speed of the wind, find the wind speed and the speed of the plane in still air.
asked by Ingrid 
physics
At t=0 seconds, a ball is located at 1.9 m. At t=10 s,the position is 9.7 m . Calculate the position at t=5.8 s
asked by inknown 
Social Media
What protest and ofthemoment commentary songs have been most influential and successful at getting their point across?
asked by Sly 
physics
A horizontal spring attached to a wall has a force constant of 800 N/m. A block of mass 1.10 kg is attached to the spring and oscillates freely on a horizontal, frictionless surface as in the figure below. The initial goal of this problem is to find the
asked by Anonymous 
Math
Jan is on year younger than her brother Bill and on year older then her sister Sue. The sun of the three children ages is 57. How old is each child.k
asked by Leah 
CHEMISTRY
what volume of .0250 M MgCl2 should be diluted to 250.0 mL to obtain a solution with [Cl]=.0135?
asked by Shineylou 
Math
Layla is sorting 18 spoons into stacks of 5.One stack is not complete.How many spoons are in that stack?
asked by Victoria 
physics
Jason drives due west with a speed of 55.0km/hr for 30.0 min, then continues in the same direction with a speed of 95.0km/hr for 2.00 hr, then drives farther west at 40.0km/hr for 10.0 min. What is the magnitude of Jason's average velocity
asked by Janie 
civics
what is a good strategy for remembering 2 paragraphs of the constitution?
asked by lacey 
math
how do you solve f(x)=(x2) squared
asked by Rebecca 
physics
Objects of masses m1 = 4.00 kg and m2 = 9.00 kg are connected by a light string that passes over a frictionless pulley as in the figure below. The object m1 is held at rest on the floor, and m2 rests on a fixed incline of θ = 41.0°. The objects are
asked by trey 
SCIENCE (NEED NOW!!!!)
NEED NOW!!!!!!!!!!!!!! how many groups are there in the periodic table? and how many periods are there in the periodic table?
asked by sammie doodles :) 
social studies
what are human features
asked by jennifer white 
science
what we can made out of trees?
asked by sandy 
chemistry 1025
a shoe box measures 12.0 inches by 5.5 inches by 3.5 inches. calculate its volume in cubic centimeters.
asked by robert 
Physics!
A quarterback takes the ball from the line of scrimmage, runs backward for 10 yards, and then runs sideways parallel to the line of scrimmage for 4 yards. At this point, he throws a 32 yard forward pass straight down the field. What is the magnitude of the
asked by Allison 
Calculus
ã27 + ã12  ã32  ã8 ã27 = ã3*3*3 = 3ã3 ã12 = ã2*2*3 = 2ã3 ã32 = ã2*2*2*2*2 = 4ã2 ã8 = ã2*2*2 = 2ã2 3ã3 + 2ã3  4ã2  2ã2 Here is where I get sort of confused. Because the like terms are 3. And so
asked by Untamed 
english
in the book the diary of Anne Frank the diary provides anne with a means of working through her internal conflicts. provide two examples of personal conflicts Anne is struggling with
asked by karen 
:):):):)
Asking questions and drawing conclusions will do which of the following? A. Help you stay alert while reading B. Engage you in active reading. C. Help you remember information. D. All of the above. i got A what do you think?
asked by ciara 
English
Can you please check if everything is OK in these sentences? Thank you. 1) He can’t sleep for hours but then he falls asleep after drinking the drugged water. When he wakes up he can see the size of his prison and realizes that the pit is about half the
asked by Henry2 
math
simplify the following problems. show all work 1) 1[2(3)^3]^2 2) 3{32{103(2)^2}^2]^2 3) 3[47(35)](5)^2
asked by Janae 
statistics
if there are 12 likely events, the the probability of the first one occuring is 1/12> True or false
asked by carol 
calculus
given the graph of f(x) = x sinx, 0
asked by Ethan 
MATH
I AM A FOURDIGIT EVEN NUMBER. THE SUM OF MY DIGITS IS 15. THE ONES DIGIT IS ONE MORE THAN TENS DIGIT,WICH IS ONE MORE THAN THAN THE THOUSANDS DIGIT. THE HUNDREDS DIGIT IS THE SUM OF THE ONES AND THOUSANDS DIGITS. THE TENS DIGIT IS 3. WHAT AM I ?
asked by vianey 
US History
Does any one have ideas to this question? Compare and Contrast the 1920s with the prosperity and difficulties we have in 2011. Be sure to use specific examples. My ideas : 2011 : Secularism , Gay marriage rights, abortion rights still on going, Legalizing
asked by HM 
statistics
True or false> in a physics class there are 9 juniors and 21 males. Then there must be 30 male juniors in this class.
asked by carol 
Social Studies
Do Lobbiest/Single interest groups help or hinder goverment. One dvantage I have is that they provide funds for the government, and one disadvantage I have is that they sway the government.
asked by smileyface 
Trig!
The identities cos(ab)=cos(a)cos(b)sin(a)sin(b) and sin(ab)=sin(a)cos(b)cos(a)sin(b) are occasionally useful. Justify them. One method is to use rotation matricies. Another method is to use the established identities for cos(a+b) and sin (a+b).
asked by Elle 
Enghlish
What is the simple subject in this sentence: Do all those television ads feature talking pandas?
asked by Lala 
help please :)
When is the best time to read review or discussion questions? A. Immediately after you have finshed all of the reading. B. After you write your notes. C. Before you begin any details reading. D. Throughout your detailed reading. i got A what do you think?
asked by ciara 
7th grade social studies
what are some unique facts about the Acoma pueblo? if you are going to say anything about looking in my textbook, well there is no information in ther. and i looked at some websites and they don't provide much except some original stuff. Please help!!
asked by saranghae12 
Business Communication
Which of the following would be the LEAST appropriate in the closing paragraph of a negative message? a. "Let us know if model #A01 would be a suitable substitution." b. "Our layaway plan will enable you to purchase all the clothes the children need for
asked by Kasey 
Business Communication
When you are writing subject lines for negative messages to peers and subordinates: a. put the topic, but not your action on it, in the subject line. b. put the topic, including your action on it, in the subject line. c. do not include the topic in the
asked by Kasey 
math
there were 36 hheads and 104 legs in a group of horses and riders. how many horses were in the group? how many riders were in the group?
asked by smileyface 
math
to grandma's house scott and his family live 15 km south of grandma. steffi lives 20 km north of byron robin lives 5 km south of scott byron lives 10 km north of robin caitlin lives 15 km south of byron Question: how far does each liv from grandma?
asked by smileyface 
Fractions
Convert to fractional notations 3 3/10
asked by BreeBree 
physics
a European farm has a land area of 0.425km^2. determine this area in acres . 1.000 acre =43,560ft ^2
asked by ashley 
English
the design of a document reflects on the writer in terms of all of the following except: A. social status, B professionalism, C. competence, D. credibilty
asked by Donna 
physics
IF A RUNNER RUNS THE 100 METER DASH IN APPROXIMATELY 9.7 SEC, WHAT IS THE AVERAGE SPEED OF THE RUNNER IN MPH?
asked by MANN 
science
what are the pros and cons of controlled experimentation
asked by jon 
algebra
sam mowed half of the yard on friday and half of the remaining grass on saturday what fractional part of yard still needs to be mowed
asked by seth 
physics
A spring has a force constant of 50 N/m. The spring is compressed by 0.4 m. How much energy has the spring stored?
asked by kayla 
Algebra
At noon, your family starts out .from Louisville to go to Memphis driving at 40 mi/h. Your uncle leaves Memphis to come to Louisville two hours later. He is taking the same route and driving at 60 mi/h. The two cities are 380 miles apart. At what time do
asked by David 
trig
Find all values of x in the interval [0, 2π] that satisfy the equation. 6 sin2(x) = 3
asked by christopher 
Fractions
Hi Sue, That's the same answer I got, but for some reason I got it wrong on one of my test and I'm not sure why.
asked by Deb 
PHYSICS! HELP PLEASE
A shopper pushes a cart 43 m south down one aisle and then turns 90.0° west and moves 15 m. He then makes another 90.0° turn and moves 10 m. (a) What is the largest possible displacement of the shopper? ______ m _____° counterclockwise from west (b)
asked by Allison 
Chemistry
1. Which of the following will result in a chemical change? A. Melting ice to obtain water B. Evaporating alcohol into vapor C. Drying wood in a shed D. Burning coal in a furnace(My answer) 2. A salt is obtained as a reaction between A. a nonmetal and a
asked by Anonymous 
:)
simplify the following problems. show all work 1) 1[2(3)^3]^2 2) 3{32{103(2)^2}^2]^2 3) 3[47(35)](5)^2
asked by Nae 
chemistry
2NaCl+2H2O >>2NaOH+H2+Cl2 if 1.9×10^6 (1900 metric tons) of Cl2 produced daily, estimate the quantities of H2 produced.
asked by Anonymous 
chemistry
A 8.00 M solution of hydrochloric acid is provided. You need to make 25.0 mL of a 0.490 M HCl solution. What volume, in mL, of the 8.00 M solution should you use?
asked by Bekah 
business
four basic rights that form the foundation of capitalism
asked by Annie 
Business Communication
Which of the following would be the LEAST appropriate in the closing paragraph of a negative message? a. "Let us know if model #A01 would be a suitable substitution." b. "Our layaway plan will enable you to purchase all the clothes the children need for
asked by Kasey 
help please:)
If you cannot recall what you have just read, it is most likely because: A. you did not ask questions while reading. B. You were passively reading. C. The information was too difficult to fully understand. D. Both A & C. i got B what do you think?
asked by ciara 
Science
Describe the correlation that exists between the density of a liquid and the float height of a dowel in that liquid.
asked by Maria 
English
What is the meaning of this quote and how does it relate to the King Lear play? Give me your hand. You are now within a foot Of th' extreme verge. For all beneath the moon Would I not leap upright.
asked by Alexis 
Biochem
How many silver coins (weighing 26g each) would it take to provide 5 moles of silver(Ag).
asked by Anonymous 
science
if you filled a 150ml container w/100ml of substance and the substance quietly filled the container what would it be
asked by austin 
News
I need this unscrambled: jjj.sdyyufpzrevryyt.ttfz/oannpnra
asked by Trac 
1234
Do Lobbiest/Single interest groups help or hinder government? And then say one advantage I have is that they provide funds for the government, and one disadvantage I have is that they sway the government.
asked by smileyface 
help please :)
Which of the following is considered plagiarism? A. copying someone eles's work. B. using a statistic and forgetting to give credit to the source. C. Buying a prewritten essay from the internet and using it as your own. D. All of the above. I got D am I
asked by ciara 
physics grade 11 one word term
one word/term. 1.3.The minimum amount of energy required to start a reaction. 1.4.The distance between the centre of a lens and its focal point. 1.5. The type of image formed on a screen when light rays converge.
asked by marcia 
U o p
6. 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 Andy 
Physics
In physics, how do you solve for the magnitude in 2D kinematics and what are the x and ycomponents?
asked by Astrogirl 
Business Communication
Indicate the alternative that both correctly evaluates the following sentence and correctly explains the reason for the evaluation. "As soon as you provide your date of birth on Line 2, your application for a flexible spending account will be processed."
asked by Kasey 
Chemistry
An unknown element reacts with bromine to give bromide, MBr3. If 2.809g of the unknown element gives 27.765grams of MBr3, what is the element? ( give the symbol ) I don't understand the M in the MBr3...can someoen please help me with this question ASAP
asked by Srth 
precalc
find two functions f and g such that (f+g)(x) = 5 and domain of f + g is [0, infinity)
asked by m 
Business Communication
Which sentence presents an alternative in appropriate way? a. "The 11 a.m. flight is completely sold out, so I booked you on the 2 p.m. flight. Hopefully that will work for you." b. "We are out of the red units, so we went ahead and shipped you 12 green
asked by Kasey 
Physical Science
True or False. To a scientist, work is done when a force is exerted through a distance.
asked by Tasha 
AccountingHELP ME!
A company purchased machinery for $660,000 on May 1,2008. It is estimated that it will have a useful life of ten years,salvage value of $45,000, production of 350,000 units, and working hours of 60,000. During 2009 the company uses the machinery 3,050
asked by Nick 
College physics (simple)
Two blocks (one on top of the other), each of mass m = 2.4 kg, are pushed along the horizontal surface of a table by a horizontal force P of magnitude 6.8 N, directed to the right. The blocks move together to the right at constant velocity. (a) Find the
asked by Kellie 
Business Communication
Crystal agreed to serve on a company's advisory board and now has to contact them to say she cannot attend a scheduled meeting where she was to be one of several key speakers. What should she do? a. Let the company know she cannot attend and that they will
asked by Kasey 
College physics (simple)
Two blocks (one on top of the other), each of mass m = 2.4 kg, are pushed along the horizontal surface of a table by a horizontal force P of magnitude 6.8 N, directed to the right. The blocks move together to the right at constant velocity. (a) Find the
asked by Kellie 
Precalc
square root(x+1)+ square root(x1)= square root(2x+1)
asked by Nicole 
help please:)
plagiarism is often times described as: A. An honest mistake B. literary threft C. cheating D. both B & C i got C.Is it right? What do you think?
asked by ciara 
physics
A car travels along a straight stretch of road. It proceeds for 14 mi at 50 mi/h, then 28.3 mi at 48 mi/h, and finally 37.4 mi at 38.3 mi/h. What is the car’s average velocity during the entire trip? Answer in units of mi/h Can u show the steps and
asked by anon 
science
Can you protect a falling egg?
asked by janaya 
physical science
17. In the Mass in Motion lab, you rolled a ball down a ramp to see how far it moved a cup. What did this experiment demonstrate? (Points : 3) An object´s momentum increases with velocity. An object´s momentum decreases with velocity. An object´s mass
asked by Maddie J. 
PreCalc
Please check my answers;This are polar coordinates we're studyingI'm almost positive the first two are correct. 1.Which of the folowing is another representation of (3,pi)? (3,120degree) (3,0 degree)I think it is this one?? ((3,0 degree) 2.Which is not
asked by Jonathan 
college math
please help me write the equation and solve for it. 1).in a basketball game, eric made half as many free throws as dan. if the total number of free throws made by both men was 18, how many free theows did eric make?
asked by erin 
math
estimate the quotient 2 divide 704
asked by stephanie 
English
I urgently need to check these sentences. I included an alternative in brackets.Thank you. 1) I went to Dublin two weeks ago with the school. (better with other students from my school and two teachers) 2) I attended a summer course in Dublin for two
asked by Henry2 
Math
How you multiply/divide negative numbers,negative with positive numbers?
asked by Konstantin 
MATH HELP!!!!
3000 exercise books are arranged in 3 piles.the first pile has 10 more books than the second pile.the number of books in the second pile is twice the number of books in the third pile.how many books are in the third pile?
asked by MIKI 
help please :)
In order to change information from useless facts into information you can absorb and retain , You should do which of the following? A. Ask questions B. Draw conclusion C. Anticipate information to come D. All of the above i got D what do you think
asked by ciara 
chemistry
What is the concentration, in units of molarity, of a 350 mL solution containing 0.298 moles of sodium chloride in water?
asked by Bekah 
Math
The basketball team won 28 more games than they lost. If they won 35 games, how many games did they play? Thanks
asked by Sam 
help please:)
What is the most important key to an effective essay? A. A focused thesis sentence. B. Five paragraphs in the body. C. interesting supporting details. D. A conclusion sentence. I got A. Is it right? What do you think?
asked by ciara 
math
how many feet are in 6,756?
asked by jennifer white 
7th grade social studies for ms.sue
Well ms.sue, would it be the pueblos from Acoma pueblothat is different from Albuq?
asked by saranghae12 
Last question for lesson 2 yay!
All of the following are goals of study reading EXPECT: A. greater speed B. retain information in your longterm memory C. be an active reading D. active reading i got B what do you think ?
asked by ciara 
math
how do you find the average cost per ounce of prepackaged items? and then convert to pounds? I have four items total ounces of 400 and total cost of $23.73
asked by old me 
Ciollege algebra
Suppose that X liters of 38% acid solution are mixed with y liters of a 42% solution to obtain 100L of a 39% solution. One equation in a system for solving this problem is x+y=100. Which one of the following is the other equation? A. 42x+38y=0.39*100 B
asked by Catherine 
Business Communication
In which of the following situations would it be BEST to recast the situation as a positive message? a. When you want to maintain goodwill with the reader, because you still have to deal with each other b. When there really is not a reason for the refusal
asked by Kasey 
Physics
How high will a 1.60{\rm kg} rock go if thrown straight up by someone who does 75.0 J of work on it? Neglect air resistance.
asked by Frank 
help please:)
Which of the following activities would best be suited for scanning? A. finding answers to the chapter review in history. B. looking at the article how to invest your money C.reading the short story The hunter's Daughter D. both A & C i got A what do you
asked by ciara 
Physics
A horizontal spring attached to a wall has a force constant of 780 N/m. A block of mass 1.70 kg is attached to the spring and oscillates freely on a horizontal, frictionless surface as in the figure below. The initial goal of this problem is to find the
asked by caitlin 
Physics
A person throws a ball upward into the air with an initial velocity of 15.0 m/s. Calculate the following: a.) how high it goes. b.) how long the ball is in the air before it comes back to his hand. c.) at what time(s) will the ball pass a point 8.00 m. If
asked by Phil 
Math
A printed page is to have a total area of 100 square inches. The top and bottom margins are to be 1 inch and the side margins to be 1.5 inches. Let l represent the total length of the page and w represent the total width of the page. a) Write an equation,
asked by confused 
help please:)
How many supporting details should you develop to back up your thesis? A. Four B.five C.three D.As many as you want I got A. But now im thinkiing its C But ima stay with my first answer which is A. What do you think?
asked by ciara 
Canadian Government
A political group with the same beliefs or ideologies. Would this be Conservative? List of which bills will be proposed and in a session of parliament. Would this be order paper?
asked by Anonymous 
Canadian Government
This Canadian Political party believes in more economic equality. Would this be Liberal?
asked by Anonymous 
Math
Jack is decorating for a party. He has 125 feet of paper streamers to use over 3 doorways. He will use the same amount for each door. How many feet will he use in each?
asked by Laura 
MathUrgent
A circus performer is juggling clubs while standing on stilts. He released a club from a point 8 feet above the ground with an initial vertical velocity of 10 ft per second. a. Write the equation that models the height [h] (in feet) of the club as a
asked by xxxTaraKhanxxx 
Canadian Government
Possible reform of the Canadian Senate. Would this be.. Effective, elected, equal? Incase if you don't know what Im doing, Im just matching terms to definitions.
asked by Anonymous 
Social Studies 9
What are some examples of Divine of rights of kings, i really need some examples to support my reasoning for my project, please help ! Thank you !!
asked by Stephanie 
chemistry
calculate the volume in ml of a sample of ccl4 having a mass of 80.0 g if the density of ccl4 is 1.60 g/ml.
asked by britney 
geometry
If the measure of angle A= 5x + 2, what is the measure of its supplement and its complement?
asked by katelyn 
Please help:)
Which is the most important step you need to do as a study reader? A.Take notes while you read. B.Survey the chapters before you begin detailed reading. C.Answer questions as you read. D.All of the above i got B what do you think?
asked by ciara 
chemistry
find the density of ethyl alcohol if 80.0 cm^3 "weighs" 63.3g.
asked by steven 
science
why do you think that people choose to live in places where earthquakes are common
asked by felix 
Geography
I just want to make sure that this is correct, I reviewed the map and I think that the capitals of the two states that border both the Mississippi and Ohio Rivers are: Springfield Illinois, and Frankfort, Kentucky
asked by Sean 
chem
a rectangular block of the element barium is 5.00cm long , 3.00cm wide and 1.00cm high and it weighs 52.5g. what is the density of the element barium?
asked by kristie 
Physics
Two blocks (on top of one another), each of mass m = 2.4 kg, are pushed along the horizontal surface of a table by a horizontal force of magnitude 6.8 N, directed to the right. The blocks move together to the right at constant velocity. (a) Find the
asked by Kellie 
chemmmistry
vitamin c has a density of 1.65 grams per cm^3. what is the volume (in cm^3) of a 500mg tablet of vitamin c ?
asked by lean help 
Math
Susan has three times as many art brushes as Monique. If they have 60 art brushes altogether, how many brushes does Susan have?
asked by Maria 
Math
How do I find the dimensions of new box?? Original box is 2 by 6 by 4
asked by Rolis 
chemistry1046
what is the density of a medication if the contents of a syringe filled to 3.00ml weighs 3.85g?
asked by stefany :) 
science
What keeps proteins within the bilayer?
asked by Madison 
MATH HELP PLEASE
What is the smallest positive integer by which 180 should be multiplied to obtain a perfect square? Thank you
asked by PLEASE HELP 
MATH
What is the smallest positive integer by which 180 should be multiplied to obtain a perfect square?
asked by PLEASE HELP 
Chemistry
A chemical plant uses electrical energy to decompose aqueous solutions of NaCl to give Cl2,H2, and NaOH: 2NaCl(aq)+2H2O(l)>2NaOH(aq)+H2(g)+Cl2(g) If the plant produces 1.1×10^6 kg (1100 metric tons) of daily, estimate the quantities of H2 produced. If
asked by Brennan 
world history
i need pennfoster answer text 007680
asked by minerva 
Math
a certain radioactive isotope has a half life of approx 1,300 years . How many years to the nearest year would be required for a given amount of this isotope to decay to 55% of that amount. So I am not sure where to put the 1,300 1,300=2600*e^t or
asked by HM 
Business Communication
As a professor at State University, you have been asked to write a letter of recommendation for one of your advisees who is applying for an internship. The student is now a senior and you have known her since she was a freshman. She has taken two courses
asked by Kasey 
chem
given that 140.ml of chlorine gas weighs 0.450 g find the density of chlorine in grams per liter(g/liter).
asked by kenny 
Physics
Engineering 100 Homework Problem #1 Below is a diagram of a beam supported on the left end by a pin connection, and toward the right side by a simple fulcrum. A force F is applied to the far right end of the beam as shown. The uniform beam has mass, m,
asked by Jamie 
History
Name 5 reasons why printed and electronic media is censored or challenged. 1. To prevent obscenity 2. To hold back information from others 3. To keep confidentiality Are those good reasons? Can anyone help me named 2 more? What event used by Nazi Germany
asked by Amy 
economics please help
Use the supply and demand model to explain what happens to the equilibrium price and the equilibrium quantity for frozen yogurt in the following cases. d.There is a sudden increase in the price of milk. im confused with this one.
asked by allie 
Math
Ramon planted 3 rows of seeds. He put 8 seeds in each row. Each row of seeds was 42 inches long. How far apart did Ramon plant the seeds?
asked by Tyler 
physics
A skydiver deploys his parachute when he is 910 directly above his desired landing spot. He then falls through the air at a steady 5.4 . There is a breeze blowing to the west at 1.0 . Part A At what angle with respect to vertical does he fall? By what
asked by Anonymous 
Algebra 1
A history teacher rented a bus for a class trip to the museum. The company charges $375 plus $.35 for each mile traveled over 150 miles. If the bus trip costs $424, how many miles was the trip?
asked by Charisma 
Anthropology11
What type of researcher is Jane Goodall?
asked by rebecca 
Physics
A iron skillet displaces 1.5 L of water. What is the mass of the skillet?
asked by Sonja 
nervous(ms.sue)
ms.sue im about to put my lesson 2 exam in hopefully i pass :)
asked by ciara 
Journalism
any mistakes or errors? Any suggestions to make it better? Olivia Hertog Personality Profile Written By: Bryce R Cameras are flashing everywhere, as Junior Olivia Hertog poses for her new shoot as sweat drips off her face from the heat of the lights,
asked by Bryce 
Geometry
Find the area of the rectangle that has the following ordered pairs: F(3,1) G(1,0) H(2,4), J(5,2)?
asked by Tommy 
algebra find outlier describe affect
just want to double check on 2 problems that we did 15 12 19 0 20 14 the outlier is 0 the mean with the outlier 0 is: 13.33 the mean without the outlier 0 is: 16 is this correct? next one: 4 1 16 2 0 3 6 2 for this i added positive got: 12 i
asked by Marko 
Algebra 1a
translate 38 less than q to algebraic expression
asked by Kiana 
math
how to find the derivative of y=3tan(piex^2) using the chain rule?
asked by Annie 
Math
A printed page is to have a total area of 100 square inches. The top and bottom margins are to be 1 inch and the side margins to be 1.5 inches. Let l represent the total length of the page and w represent the total width of the page. a) Write an equation,
asked by confused 
Statistics
the mean age for 12 students in a math class is 20. 2 older students, age 32 and36, respectively enroll. what is the new mean age for the class?
asked by Olivia 
Science
What are the three different ways that heat can be transferred from one object to another Explain each method
asked by Shion 
help please :)
Why is it important to read the title of a reading passage first and think about the information to come? A. It help up your reading when you know what is to come. B. Knowing what information to expect increases your comprehension. C. it activates prior
asked by ciara 
Chemistry, Physics (Radiation Toxicology)
a) Na22 decays in two ways. In 100 atoms of Na22 decaying, how many would decay by positron emission and how many would decay by electron capture? Why is the yield of photon gamma (+/) so high? b) In 100 decays of Ra226, how many decays would result in
asked by Naresh 
trig
Suppose that the point P is the point on the unit circle that is associated by the wrapping function with the number 31. In which quadrant is the point P located?
asked by zack 
geometry
given: line DF congruent line EF; line DF perpendicular line AB; line EF perpendicular BC. prove line BF bisects angle ABC
asked by Anonymous 
Chemistry
Concentrations of Cs137 reached 29KBq/kg in reindeer meat after the 1986 Chernobyl accident. How many grams and picograms of Cs137 were initially found in 1kg of meat in 1986?
asked by Naresh 
Science
Why is 100g of water and 1000g of water the same density?
asked by Julie 
mba
Antique Arts Company would pay Rs. 2.50 as dividend per share for the next year and is expected to grow indefinitely at 12%. What would be the equity value if the investor require 20% return?
asked by rakesh 
chemistry  ASAP
An unknown element reacts with bromine to give bromide, MBr3. If 2.809g of the unknown element gives 27.765grams of MBr3, what is the element? ( give the symbol ) I don't understand the M in the MBr3...can someoen please help me with this question ASAP
asked by Smarth 
Canadian Government
When an individual, noncabinet member, proposes a bill. Terms I have are: Cabinet Civil Servant NDP Representative Democracy Three First 19 Party Communist Municipal Patronage Private members bill Speaker of the House Order paper I have all these terms
asked by Anonymous 
6th grade history
what were the two major uses of hieroglyphics? how did it affect egyptian culture?
asked by Priscilla perez 
computers
I need some good links for technology newsletter related to information technology.
asked by JJ 
Physics
A person walks 15.0° north of east for 3.70 km. How far due north and how far due east would she have to walk to arrive at the same location?
asked by Imani 
social studies or language arts
jack layton what new role did this party take on because of this electoral success?
asked by smileyface 
physics
A vector has an xcomponent of −21.0units and a ycomponent of 36.5 units. Find the magnitude and direction of the vector.
asked by Imani 
Physics
A fire helicopter carries a 555 kg empty water bucket at the end of a cable 20.9 m long. As the aircraft flies back from a fire at a constant speed of 38.4 m/s, the cable makes an angle of 38.3° with respect to the vertical. A) After filling the bucket
asked by Bella 
help please:)
In order to get an idea of significant subject areas in chapter, it is best to read the : A. subheads B. Graphics C.Captions D.table of contents i got A what do you think ?
asked by ciara 
:0
I got a 85 on my exam that's good yay! i could of got higher but still good
asked by ciara 
Algebra 1a
Graph the number on the number line 3  2
asked by Kiana 
physics
It two objects are thrown off a tall building and one is three times the mass of the other, do they hit the ground at the same time?
asked by Sam 
algebra
Joe has a ring weighing 15 grams made of an alloy of 20 silver and the rest gold. He decides to melt down the rings and add enough silver to reduce the gold content to 67 . How many grams of silver should he add?
asked by Amy Love 
science
which of the following does not affect reaction rate balancin, temperature surface area or concentration?
asked by roland 
calculus
Let f(x)+10x^2+9x+10. Find f(x+h)f(x).
asked by Chelsie 
Chemistry
What is the kinetic energy of the emitted electrons when cesium is exposed to UV rays of frequency 1.7×10^{15} Hz?
asked by Caitlin 
Dentistry
Does bleaching teeth damage enamel?
asked by Bryce 
Physics
Problem 22.2 2 *10 ^13 electrons flow through a transistor in 1.0 ms. Part A  What is the current through the transistor? Express your answer using two significant figures.
asked by Paige 
Chemistry
You measure out 45.0 mL of a dense liquid. Its mass is 63.3 g. What is the density of this liquid?
asked by Adryan 
physics
how to solve for velocity using these values... distance time(s) 28.5 (initial) 4.26 (initial) 89 (final) 6.77 (final)
asked by meghan 
college algebra
Could I please have 1 example of a piecewisedefined function problem, with 2 function pieces and the domain and range of each piece. Thank you
asked by Trish 
Physics!
Suppose that you are standing on a train accelerating at 0.39g. What minimum coefficient of static friction must exist between your feet and the floor if you are not to slide?
asked by Bridge 
History
What event used by Nazi Germany is symbolic with censorship of books and printed media? I think Nazi Book Burnings. Am I correct or not?
asked by Amy 
science
what was the moon altitude, direction, and apperence 4 the last 30 days?
asked by Anonymous 
physics
If I threw a ball vertically at an initial speed of 34.5 m/s, how many seconds would it take to reach its maximum height?
asked by Anonymous 
calculus
what does 4 ( x  5 ) = 4x  20 equal if x equals 7
asked by john 
Chemistry
Given the following thermodynamic data, 2H2O(g) → O2(g) + 2H2(g) ∆Hrxn = 483.6kJ H2O(g) → H2O(l) ∆Hrxn = −44.0kJ What is the molar heat of formation for liquid water, H2O (l)? Answer in units of kJ/mole
asked by Dutch 
biology
ok so i was learning about cell theory and i am really stuck on this question The text describes one of the scientific theories of where life comes from(which was the cell theory). Find one other scientific theory of how life began and tell me about it.
asked by Anonymous 
beowulf
why was the importance of adding the passage about Queen Modthryth in Beowulf?
asked by Katie 
physics
A diver leaves the board traveling at 3.5 m/s at an angle of 75º with respect to the horizontal. What is her speed when she hits the water, 3 meters below?
asked by peter 
Business Communication
As a professor at State University, you have been asked to write a letter of recommendation for one of your advisees who is applying for an internship. The student is now a senior and you have known her since she was a freshman. She has taken two courses
asked by Kasey 
Math
If 2t + 3 = 9, what is the value of 3t  7?
asked by Marie 
math
What is the interest amount on $1,800 for a year at 1/2%
asked by jane 
writing decimals
How do you write 0.013 in expanded notation
asked by ashley 
chemistry PLEASE HELP
The density of water is 62.4 lbs/ft^3. what mass of water in kg will a rectangular can hold if it measures 2.00 ft by 3.00 ft by 6.00 inches?
asked by natalia 
Final Draft, English essay
Hey could you please check this. It is supposed to be an illustrated essay. Is it illustrated enough? _______________ Illustration essay: Successful student The value of education has really fallen in the past years; some say college is hard to cope with
asked by HM 
Algebra 9th Grade
how would you solve this? x  5
asked by Bryce 
Math
A printed page is to have a total area of 100 square inches. The top and bottom margins are to be 1 inch and the side margins to be 1.5 inches. Let l represent the total length of the page and w represent the total width of the page. a) Write an equation,
asked by Math(repost) 
algebra
The value of a particular car dropped from 25,000 in may 21,000 in october.find the rat of change in the value of the car.
asked by babygirl 
Physics
A 70.0kg runner has a speed of 5.90 m/s at one instant during a longdistance event.What is the runner's kinetic energy at this instant? If he doubles his speed to reach the finish line, by what factor does his kinetic energy change?
asked by Anonymous 
MATH PLEASE HELP
Thank you very much for the answer stated below: A perfect square will have an even number of repetitions of each prime factor. 180 = 2*2*3*3*5 e have 2^2 and 3^2, but we need another 5. So, 180*5 = 900 = 30^2 = (2*3*5)^2
asked by Steve (Thank You) 
math
please help with daughters homework show 25 broken key is 5 show in 3 ways
asked by tanisha 
chemistry
what volume of .0250 M MgCl2 should be diluted to 250.0 mL to obtain a solution with [Cl]=.0135?
asked by Shineylou 
Media Influences on America
Bill Goodykoontz states that media and popular culture often understand society better than straight coverage. Why is this so? Can you name any examples?
asked by Dee 
Mrs. Sue Algebra outlier/mean recheck
find the outlier of each set of data describe how the outlier affects the mean. just want to double check on 2 problems that we did 15 12 19 0 20 14 the outlier is 0 the mean with the outlier 0 is: 13.33 the mean without the outlier 0 is: 16 is this
asked by Marko 
calc
A basic fact of algebra states that c is a root of a polynomial f(x) if and only if f(x) = (xc)g(x) for some polynomial g(x). We say that c is a multiple root if f(x) = [(xc)^2](h(x)) where h(x) is a polynomial. Show that c is a multiple root of f(x) if
asked by t 
math
Use a centimeter ruler and a separate sheet of paper to draw an 8cm by 6cm rectangle. List its perimeter on the table below. Use your two pieces to create 4 new geometric shapes. After making each shape, determine its perimeter.
asked by jon 
math
expand (3x2)squared
asked by emir 
Physics
The electric motor of a model train accelerates the train from rest to 0.580 m/s in 33.0 ms. The total mass of the train is 565 g. Find the average power delivered to the train during its acceleration.
asked by Anonymous 
Physics
When a 3.00kg object is hung vertically on a certain light spring described by Hooke's law, the spring stretches 3.07 cm. (a) What is the force constant of the spring? N/m (b) If the 3.00kg object is removed, how far will the spring stretch if a 1.50kg
asked by Allie 
Math
Evaluate: (without using Hopital's rule) d) lim (63x)/(((5x+6)^1/2)4) x>2
asked by Raf 
Maths
Who do you figure out the surface area of a cylinder
asked by Shannon 
Physics
A 0.38kg particle has a speed of 2.0 m/s at point A and kinetic energy of 7.5 J at point B. (a) What is its kinetic energy at A? J (b) What is its speed at point B? m/s (c) What is the total work done on the particle as it moves from A to B?
asked by Anonymous 
college physics
cost of homework help for college physics
asked by mae 
chemistry help
calculate the volume in ml of a sample of ccl4 having a mass of 80.0 g if the density of ccl4 is 1.60 g/ml.
asked by britney 
help please:)
Which of the following is an example of active readiing? A.skimming over information and taking notes. B.reviewing a chapter, question as you read, and review notes. C.speed reading and taking notes in your own words. D. Both B & C. i got B what do you
asked by ciara 
statistics
1) A scale measuring prejudice has been administered to a large sample of respondents. The distribution of scores is approximately normal with a mean of 31 and a standard deviation of 5. What percentage of sample had scores below 20?
asked by Mich 
geometry
measure of angle ABC=4x12 measure of angle ABX=24 BX bisects ABC solve for X and find the measure of angle ABC **page 48 # 11 of prentice hall,california geometry**
asked by Terry 
maths
in right angled triangle ABC, angleBis90 degree and C is an acute angle of60degree. Also sin m
asked by Rose 
PreCalc
Please check my answers I really need to do my homeowrk!;This are polar coordinates we're studyingI'm almost positive the first two are correct. 1.Which of the folowing is another representation of (3,pi)? (3,120degree) (3,0 degree)I think it is this
asked by Jonathan 
Manipal university
Write a passage using rhetorical device on a person idea or ideology.
asked by Reetu mele 
english
What is the complete subject of A person must have very good eyesight to work with beads.
asked by Anonymous