Questions Asked on
November 28, 2010

algebra
A plane that carries mail makes a round trip each day from Chicago to New York. It makes 3 intermediate stops on the way to New York and 1 intermediate stop on the way back to Chicago. Suppose you make a graph of the altitude of the plane for one day, with
asked by kara 
Algebra
find the unit rate for number of parts manufactured per hour if 1630 parts are made in 6 hours. round to the nearest integer. SHOW ALL WORK.
asked by Amber 
Physics
Two masses are suspended from a pulley as shown in the figure . The pulley itself has a mass of 0.30 kg, a radius of 0.20 m, and a constant torque of 0.30 m \cdot N due to the friction between the rotating pulley and its axle. What is the magnitude of the
asked by Stacy 
chemistry
Which of the following equations does not represent an oxidationreduction reaction? 3Al + 6HCl → 3H2 + AlCl3 2NaCl + Pb(NO3)2 → PbCl2 + 2NaNO3 2H2O → 2H2 + O2 2NaI + Br2 → 2NaBr + I2 Cu(NO3)2 + Zn → Zn(NO3)2 + Cu
asked by Anonymous 
chemisty
does NF3 follow the octet rule
asked by olivia 
Math
Alfonso got an 87.5% on his test. He got 21 right. How many questions were on the test??
asked by Laura 
math
Mrs. Bollo's second grade class of thirty students conducted a pet ownership survey. Results of the survey indicate that 8 students own a cat, 15 students own a dog, and 5 students own both a cat and a dog. How many of the students surveyed own no cats?
asked by eric 
math
a car is driving at a speed of 60 mi/h. What is the speed of the car in feet per minute?
asked by ty 
math 12
A committee of students and teachers is being formed to study the issue of student parking privileges. Fifteen staff members and 18 students have expressed an interest in serving on the committee. In how many different ways could a fiveperson committee be
asked by kitkat 
math
Results of a survey of fifty students indicate that 30 like red jelly beans, 29 like green jelly beans, and 17 like both red and green jelly beans. How many of the students surveyed like no green jelly beans?
asked by Anonymous 
chemistry
An electron in a hydrogen atom relaxes to the n= 4 level, emitting light of 138 THz . What is the value of for the level in which the electron originated? Please show each step and the equation.
asked by lorah hilpolep 
Chemistry
In a solution of copper(II) chloride, the following equilibrium exists: CuCl42(aq) (dark green) + 4H2O(l) Cu(H2O)42+(aq)(blue) +4 Cl(aq) Predict the shift in the equilibrium and draw a graph of concentration versus time for relevant reactants to
asked by Mary 
Physics
Refrigerator Suppose that you want to freeze 1.2 kg of water for a party, and only have 10 minutes to do it. Relying on nothing but your keen physical abilities, a dixie cup, duct tape and a piece of string, you manage to build a refrigerator unit which
asked by BG 
math
Two cards are drawn without replacement from an ordinary deck of 52 cards. What is the probability that the second card is a face card, if the first card was a queen? Would this be 11/51?
asked by m 
philosophy
"Happiness belongs to the selfsufficient."  Aristotle What does it mean? I don't get it...
asked by Jessica 
psychology
the brain and it's structured functions
asked by Misty 
Trig
assume a pulley has a radius of 12.96 cm. If it takes 18 seconds for 56 cm of belt to go around the pulley, find the angular velocity in radians per seconds
asked by SK 
English
I need your help to paraphrase the description of the Merchant in Chaucer's Prologue to the Canterbury Tales. I'll include the description at the end. Thank you . 1)The merchant had a forking beard and wore a motley (I need a symonym: multicoloured) dress,
asked by Franco 
college math
how many grams of NaOH are needed to make a 30% w/w solution using deionized water as the solvent
asked by Wanda 
physics
A ball player wishes to determine her pitching speed by throwing a ball horizontally from an elevation of 3.0 m above the ground. She sees the ball land 15 m down the range. What is the speed of the ball as it leaves her hand?
asked by PLEASE HELP 
chemistry
what is the cation and anion of Na3PO4? thanks
asked by rebekah 
chemistry
The heat of vaporization of liquid water at 373 K is 40.7 kJ/mol. The value of the enthalpy change when 2.00 g of steam condenses at 373 K is?
asked by Anonymous 
algebra
$7.80/hour = ______ cents/minute?
asked by alexis 
math 12
From a deck of 52 cards, how many different fourcard hands could be dealt which include one card from each suit?
asked by kitkat 
Math
Steven has 9 gold coins that are identical in appearance. However, one coin is counterfeit an weighs slightly less that the others. Using a balance scale, how can he find the counterfeit coin in just two weighings?
asked by Alejandro 
6th grade math
if Mary buys oranges at 5 for 2 cents and sell them at 4 for 3 cents how many must she buy and sell to make a profit of 420 cents?
asked by marisol 
physics
A projectile is launched straight upwards at 45 m/s. Three seconds later, its velocity is A. 75 m/s B. 30 m/s C. 15 m/s D. zero
asked by Tracey 
Physics
A rock weighs 140 N in air and has a volume of 0.00273 m3. What is its apparent weight when sub merged in water? The acceleration of gravity is 9.8 m/s2 . Answer in units of N. If it is submerged in a liquid with a density exactly 1.9 times that of water,
asked by Laura 
World History
How is it that the Roman Catholic Church was able to gain power in the Roman Empire and what effect did the shift of power have on the telling of the history of the world?
asked by Max 
Confidentiality in Allied Health Essay
Can anyone help me find other resources to the graded project for Penn Foster? I have the AMA, and the Peen foster books. Anything else would be great.
asked by Shannon 
Psychology
Susie, Sally, and Serena are roommates. Susie and Sally are neat freaks, but Serena is a slob. Both Susie and Sally want to use reinforcement to get Serena to start picking up her messes. Susie wants to use positive reinforcement as her technique, and
asked by Anonymous 
Nonfiction
What does Seattle say about integrating white and Native American cultures?
asked by Anonymous 
ICT
which of the following features is provided with a modem? 1)speeds 2)self testing 3)transmission rate 4)all of these
asked by sweetie 
Chem
What is the pH of the solution formed when 0.040mol NaOH(s) is added to 2.00L of 0.020M HCl?
asked by IH 
chemistry
Calculate the energy of a photon of electromagnetic radiation at each of the following frequencies. (A) 103.1 MHz (typical frequency for FM radio broadcasting) (B) 1015 kHz (typical frequency for AM radio broadcasting) (assume four significant figures)
asked by lorah hilpolep 
Confidentiality in Allied Health
Use Opinion 5.07 and information from other research you conduct to find answers to the following questions. Explain each of your answers. 1. Should corrections be date and time stamped? 2. When should a patient be advised of the existence of computerized
asked by Huggins 
Chemistry
which is an example of physical change 1.water decomposing into hydrogen and oxygen 2.potassium and bromine combining to form potassium bromide 3.solid ice melting into liquid water 4.none of the above i think its 3.
asked by jessica 
3rd grade math
Marlon has 4 cards, Jake has 4 cards, and Sam has 3 cards. Can you write a multiplication sentence to find how many cards they have in all? Explain
asked by alejandra 
accounting
John's specialty store uses a perpetual inveentory system. the following are some inventory transaction for the month of may 2009. John's purchased merchandise on account for $5,000. FREIGHT CHARGE OF $300 WERE PAID IN CASH. JOHN'S RETURNED SOME OF THE
asked by Marty 
Physics
A beaker of mass 1.2 kg containing 2.1 kg of water rests on a scale. A 2.2 kg block of aluminum (of density 2700 kg/m3) suspended from a spring scale is submerged in the water. Find the reading of the upper scale (the spring scale). The acceleration of
asked by Sara 
Chem
Calculate the percent yield of eugenol obtained considering the fact that clove oil is approximately 1619 % clove by weight of cloves. isolated eugenol=061g purity of eugenol in clove oil=99.6% (based on clove oil gas chromatograph) Estimate the % yeild
asked by Jason 
math
a ticket booth sold 456 tickets and collected $2311.50 in ticket sales. Adult tickets are $6.50 and child tickets are $2. how many tickets of each type were sole?
asked by debra 
Chemistry
How many milliliters of 0.710 M HCl are required to react with 47.80 grams of CaCO3 ? Given the balanced reaction equation: 6 FeCl2(aq) + K2Cr2O7(aq) + 14 HCl(aq) 6 FeCl3(aq) + 2 CrCl3(aq) + 2 KCl(aq) + 7 H2O(l) How many moles of FeCl2(aq) are required to
asked by Lena 
business
18. Which of the following is not a ramification of too much or too little status in an organization? a. it inhibits communication b. solidarity is not developed c. it interferes with work d. it causes resentment and conflict e. it causes communication
asked by alan 
geometry
if the diagonals of a rhombus is 12 and 16 what is the measure of a side of the rhombus 5,,20,10 square root 3
asked by Anonymous 
Statistics
A Swedish study used 1360 patients who had suffered a stroke. The study randomly assigned 684 patients to receive a placebo treatment and the rest to receive an aspirin treatment. Out of those who received the placebo treatment, 28 died due to heart attack
asked by Katerina 
8th Grade Math
Can you please check my answer? An American football field is a rectangle 120 yards long (including both end zones) and 53 1/3 yards wide. What is the area of an American football field? my answer: 6360 square yards
asked by Elizabeth 
chemistry
what is the molecular mass of a solute if a solution containing 150 g of that solute and 1.0 kg of water has a boiling point of 102.0 degree c? (Kb= 0.512 degree C/m)
asked by dj 
Chem
What is the pH of the solution formed when 0.040mol NaOH(s) is added to 2.00L of 0.020M HCl?
asked by IH 
math
A battalion 20 miles long advances 20 miles. During this time, a messenger on a horse travels from the rear of the battalion to the front and immediately turns around, ending up precisely at the rear of the battalion upon the completion of the 20mile
asked by Suzy 
Math
An object is dropped from a hotair balloon 1296 feet above the ground. The height of the object is given by h=16(t9)(t+9) where the height h is measured in feet, and the time t is measured in seconds. After how many seconds will the object hit the
asked by Jay 
chemistry
Calculate the pH of 3.9 108 M HNO3.
asked by justin 
MATH
Ratinalize the denominator. Assume all varibles represent positive numbers. Sqrt(18)/x
asked by RachelMSANC 
Math
one way to resize a ring is to fill a bar into the ring.suppose a ring that is 20 mm in diameter has to be resized to fit a fingure 16 mm n diameter what is the length of the bar that should be inserted in order to make the ring fit the fingure? ( Hint:
asked by Diala 
chemistry
What is the pH of a solution of vinegar, which is 5.00% (w/v) acetic acid (CH3COOH, Ka = 1.8 e5).what is the % dissociation?
asked by cs 
physics help please
The tub of a washer goes into its spindry cycle, starting from rest and reaching an angular speed of 6.0 rev/s in 12.0 s. At this point the person doing the laundry opens the lid, and a safety switch turns off the washer. The tub slows to rest in 11.0 s.
asked by emily 
5th grade
A quadrilateral has angle measures of 71 degrees, 28 degrees, and 115 degrees. Which is the measure of the last angle?
asked by Nathan 
Statistics
A student studies for a statistics exam where all questions are true or false. A reputable source indicates that with studying the student has a 90% chance of answering each question correctly. There are only three questions on the test. What is the
asked by Joseph 
sociology
You are asked to come up with a plan to improve racial and ethnic relations in your community. What would your plan include? How would you address both individual and institutional discrimination in your plan? Explain.
asked by lakesha 
Chemistry
1. State specifically how you would make a conclusive test for an iron (III) salt. 2. Which test for iron (II) ions is conclusive. 3. Suppose you have a solution containing both an iron (II) salt and an iron (III) salt. How would you proceed to identify
asked by Justin 
physics help?
A coin with a diameter of 3.30 cm is dropped on edge onto a horizontal surface. The coin starts out with an initial angular speed of 16.1 rad/s and rolls in a straight line without slipping. If the rotation slows with an angular acceleration of magnitude
asked by ruby 
Chemistry
How many grams of Ni(OH)2 are produced from the reaction of 45.0mL of 1.75 M NaOH solution?
asked by Garrett 
Trigonometry college
Use a calculator to solve csc (theta) = 3. I know the answer is 3.48 and 5.94 but I need the steps to take on the calculator to arrive at the answer. I have a ti84 calculator. thanks!
asked by Sarah 
trig
Find the values of the six trigonometric functions of the angle in standard position with the terminal side passing through the point P(4, 3).
asked by kp 
Microeconomics
How does a firm maximize their total revenue? What happens when a firm raises its price in a market in which the price is in the inelastic range of the demand curve?
asked by yt 
pre algebra
THe second of three numbers is 5 less than 4 times the first. The third is 9 less than twice the first. If 4 times the third os decreased by the first, the result is 6. find the three numbers.
asked by lexy1727 
Chemistry
One proposed design for a Mars rover uses a methane gas fuel cell as its power supply. The methane fuel can be made on Mars using a chemical reaction that has been known for over 100a the Sabatier methanation reaction: C02(g) + 4H2(g) CH4(g) +2H2O(g)
asked by Mary 
10th grade
What is the role of the state governments under the articles of confederation?
asked by kip 
algebra
Functions of the same famil have the same... (?) Can someone help with the answer??
asked by Adam 
Chemistry
12.5 g of KCl (MM = 74.55 g/mol) is dissolved in enough water to make 675 mL of solution. Calculate the molarity of the KCl solution.
asked by Alex 
Math
The path of a cliff diver as he dives into a lake is given by the equation y= (x10)^2+75, where y meters is the divers height above the water and x meters is the horizontal distance travelled by the diver. What is the maximum hight the diver is above
asked by Andy 
english
i have to write a research paper on SAP Applications and i need some authentic websites ?
asked by JJ 
Calculus
6x3y=4 find dy/dx using differentiating implicity
asked by Ivan 
chem
what is the gram formula mass of Li2SO4 ?
asked by Heather 
math
f(x) = x squared + 1 for x= 3
asked by jake 
calculus1
x^55y=6x find dy/dx using differentiating implicity
asked by Ivan 
physics
Suppose you roll a bowling ball at 2.5 m/s across the roof of a flat building. It leaves the edge and strikes the ground 2.0 s later. How high is the roof? How far from the edge of the roof does the ball hit the ground?
asked by Katie 
calculus2
x^2+2y^211=0 find dy/dx using differentiating implicity
asked by Ivan 
calculus3
x^2/3+y^2/3=5 find dy/dx using differentiating implicity
asked by Ivan 
calculus4
2y^3y=7x^4 find dy/dx using differentiating implicity
asked by Ivan 
Math
What is 4/6XDivided by 19xy ?
asked by Sammi Danielle 
calculus5
(y^2+2)^3=x^4y+e^2 find dy/dx using differentiating implicity
asked by Ivan 
Chemistry
How do I figure out what ions are present in a compound? Is it as simple as separating the compound? Like HCl > H+, Cl
asked by Ana 
Literature
What are some similarities between the Wife of Bath's Tale and The Merchant's tale (by chaucer)?
asked by Anonymous 
physics
a.)if a person is trying to throw and object with a mass of 2000kg, how much force must they use to lift it? b.) in throwing it, the person accelerates the object from rest to 25m/s in 1.5 meters. How much force is used to do this?
asked by Anonymous 
chemistry
a hydrated salt is a solid that includes water molecules within its crystal structure. a student heated a 9.10gram sample of a hydrated salt to a constant mass of 5.41 grams. what percent by mass of water did the salt contain?
asked by Hank 
Math
Explain how you can tell (without graphing it) that the rational function r(x)= x^6 +10 / x^4+8x^2+15 has no x intercept and no horizontal, vertical, or slant asymptote. What is its end behaviour? Please help? thankq
asked by Amanda 
algebra
find the range of the given domain {1,0,1} f(x)= 3x^22x+2
asked by Ashley 
physics
a.)if a person is trying to throw and object with a mass of 2000kg, how much force must they use to lift it? b.) in throwing it, the person accelerates the object from rest to 25m/s in 1.5 meters. How much force is used to do this?
asked by Anonymous 
chemistry
a graph of melting point against relative atomic mass for the alkali metals on the same graph, a plot of the boiling points with a sentence to describe the information the graph gives
asked by ad 
ELA
Is the Introduction below connection to the main Idea Vampire Survival: Vampires have become the most interesting and popular immoral creature during the years. Characters as a vampire in a movie or even in book! Now… People might wonder that are
asked by Anonoyms 
Physics
Two dogs are pulling on opposite ends of a bone. One dog pulls to the right with a force of 50 N while the other pulls to the left with a force of 40 N. Are the forces on the bone balanced or unbalanced? How do you know? What is the net force on the bone?
asked by Jasper 
physics
Suppose you roll a bowling ball at 2.5 m/s across the roof of a flat building. It leaves the edge and strikes the ground 2.0 s later. How high is the roof? How far from the edge of the roof does the ball hit the ground?
asked by Tray 
math 12
From 85 Records at D.S. Collegiate, the following data was collected: 12 studied Sociology, Economics and Accounting, 27 studied sociology and accounting, 20 studied economics and accounting, 21 studied economics and sociology, 36 studied sociology, 36
asked by kitkat 
Chemistry
4.745 eq. of magnesium will displace how many grams of silver from a silver nitrate solution? I have written the equation as follows: Mg + 2AgNO3 = Mg(NO3)2 + 2Ag I'm not sure how to proceed with converting the 4.745 eq. Any help would be appreciated.
asked by Jennifer 
5th grade math
What fraction is 2/3 of 3/4 ? and 12m = 5 2/3 ? Thank you for your help.
asked by jill 
math
wat is the rule for Input1,2,3,4,5 Output3,5,7,9,11
asked by Logan 
History
What features of the constitution make it flexible enough to apply to the nations today?
asked by Katherina 
psy 240
mary is a single mother of one child. She has had difficult sleeping for the last month.Define her disorder
asked by Lisa Smith 
12th Grade Calculus
1. a.) Find an equation for the line perpendicular to the tangent curve y=x^3  9x + 5 at the point (3,5) [* for a. the answer that I obtained was y5 = 1/18 (x3) ] b.) What is the smallest slope on the curve? At what point on the curve does the curve
asked by Eliza 
Finance
A company issues a 10,000 par value 10year bond with 8% annual coupon payments. If the yield rate is 6%, calculate the price of this bond.
asked by Kim 
chemistry
Write balanced equations for the following: K3P + Ge = Al2(CO3)3 + AgBr Cr(ClO3)3 =
asked by steve 
ELA
Does this introduction have a connection to the main idea "Vampire Survival" Vampires have become the most interesting and popular immoral creature during the years. Characters as a vampire in a movie or even in book! Now… If you believe that vampires
asked by Anonoyms 
algebra II
The number S of ant species in K Cyn can be modeled by the function S = 0.000013E squared + 0.042E  21 where E is the elevation (in meters). Predict the elevation(s)at which you would expect to find 10 species of ants.
asked by Sean 
physics help me please
A 1220 N uniform beam is attached to a vertical wall at one end and is supported by a cable at the other end. A W = 1990 N crate hangs from the far end of the beamThe angle between the beam and the horizontal is 30 degrees upwards and the angle between the
asked by student 
Algebra
0.7(0.32 + 6x) = 3.3x
asked by Jasper 
Finance
A company issues a 6year bond with a face value of 5,000 and semiannual coupons payments of $275. If the yield rate is 7%, find the price of the bond.
asked by Kim 
us 101
What tips for creating a study environment may be most effective for you? What might you do to make that study environment real for yourself?
asked by Anonymous 
11th grade
which ons is stronger 1)A solid cylinder of 2)A hollow cylinser of iron 3) A cylinder made up of slits of iron
asked by physics 
chemistry
what is the percent composition by mass of water in a compound with a gram formula mass of 4905 g/mol
asked by mike 
CAL 1
DERIVATIVE f(x)=4t+1 (x,x+2)
asked by help 
physics
Suppose that you want to freeze 1.2 kg of water for a party, and only have 10 minutes to do it. Relying on nothing but your keen physical abilities, a dixie cup, duct tape and a piece of string, you manage to build a refrigerator unit which can do the job.
asked by sarah 
general psychology
What possible factors could be causing workplace stress for Felicia? Identify and explain methods she could use to cope with these sources of stress. Write your observations in a report.
asked by TANYA 
physics please help
A woman who weighs 4.33 X10^2 N is leaning against a smooth vertical wall, as the drawing shows. The height of the wall from her shoulder to her hand is .400m the angle at which she is laying on the wall is 50 degrees and the rest of the height at which
asked by don 
Teaching techniques
1. Which learning technique is frequently used in the expository model of teaching? A. Deductive thinking C. Discovery learning B. Inductive thinking D. Knowledgebased learning 2. Which technique is used after a student gives a wrong answer, and the
asked by I. Kan 
Finance
A company issues a 6year bond with a face value of 5,000 and semiannual coupons payments of $275. Find the yield rate if the price of the bond is 6,500.
asked by Kim 
bobpursley please help
A coin with a diameter of 3.30 cm is dropped on edge onto a horizontal surface. The coin starts out with an initial angular speed of 16.1 rad/s and rolls in a straight line without slipping. If the rotation slows with an angular acceleration of magnitude
asked by ruby 
math
Two cards are drawn without replacement from a deck of 52 cards. What is the probability that both are tens, if the first card was a ten?
asked by m 
Chemistry
if it takes 20 h to convert 100g of reactant A to roduct C at 20 degrees celcius, approximately how many minutes would it take at 110 degrees celcius? I know the answer, I just don't know how to get the answer
asked by Andrea 
geometry
a man builds a teepee in his back yard. the width of the teepee is 12ft. The height of the teepee is 8 feet. How long is the length of the pipes?
asked by Joann Paynter 
Stastics
To help consumers assess the risks they are taking, the Food and Drug Administration (FDA) publishes the amount of nicotine found in all commercial brands of cigarettes. A new cigarette has recently been marketed. The FDA tests on this cigarette yielded
asked by Roger 
chemistry
Ni+4CO=NI(CO)4 this reaction separates nickel from other solid impurities.Starting with 86.4g NI,calculte the pressure of NI(CO)4 in a container of volume 4.00L
asked by silly 
algebra 1
hi. i'm confused so please help. thanks. 9  x/6 = 7(x+1)/13 multiple choice a. 6 b. 13 c. 11 d. 12 thank you again.
asked by Anonymous 
Economics
Porter’s Five Forces Model to the American automotive industry.
asked by Anonymous 
History
What features of the constitution make it flexible enough to apply to the nations today?
asked by Katherina 
Algebra II
What does it mean when the domain of a function is (‡,‡)? What about a range of,say, (2,‡)? (In case it doesn't come out right, that symbol is the infinity symbol).
asked by Lilly 
chemistry
A 75.0\rm mL volume of 0.200 M \rm NH_3 (K_{\rm b}=1.8\times 10^{5}) is titrated with 0.500 M \rm HNO_3. Calculate the \rm pH after the addition of 13.0 mL of \rm HNO_3.
asked by sam 
ICT
which one is an important property of fiber cable? 1)noise 2)reflection 3)interference 4)attenuation
asked by sweetie 
physics
A record player is spinning at 32 rpm when the motor is switched off. After 6.8 seconds the angular speed has decreased to 20 rpm. Calculate the frictional torque if the record player can be treated as a solid wheel of mass 2.4 kg and radius 15 cm. A)
asked by emily 
ICT
which of the devices uses reflected light to determine the location of pencil marks on test answer sheets and similar form? 1)barcode reader(BCR) 2)magnetic ink character recognition(MICR) 3)optical mark reader 4)mouse
asked by sweetie 
Chem
The ka expression for HTe is?
asked by IH 
English
Can you please tell me if the following sentences are possible? Thank you very much. 1) A trochee consists of a stressed syllable followed by an unstressed one. A trochee consists in a stressunstress pattern. 2) The mirror is described as being
asked by Franco 
math
a room at the hamilton inn costs 104 dollars per night for two people there is a 19 dollar charge for an extra person write an algebric expression thaat shows the cost oper night for a family of four staying at the inn
asked by miley 
chem
balance the equation:(i can balance the equation but the problem i have is finding the formula for the last part HC2H3O2(aq) + Ca(OH)2(aq) > H2O(l) + find the formula here the last part would be CaOC2H3O2? im a little confused. did the O fromt he H2O come
asked by hannah 
math
using the expression you created above calculate the cost of the same family of four staying at the inn for 3 nights
asked by miley 
OMG
I have been trying to get my question answered and it still haven't more then 1 hr you know when are you going to answer my and every one else's question
asked by angry!!!! 
math 5th
Does one mile = 5280 feet?
asked by jill 
math
the lest common denominator for the sum 3/8+5/12is 24 name a nother common denominatorthat you could use?
asked by kay 
Math
Let AB and CD be two lines intersecting at point O. Let OP be the bisector of angle AOC, OT the bisector of angle POB, and OR the bisector of angle TOD. If angle POR = 25 degrees, find angle AOC and angle AOD.
asked by Suzy 
math
find unit rate 40 textbooks weigh 120 pounds
asked by steve 
Math
For 0 < x < 1, let f(x) = (1 + x)(1 + x4)(1 + x16)(1 + x64)(1 + x256) · · · Compute f to the power of 1 times 8 divided by 5 times f times 3/8
asked by Suzy 
chemistry
Ni+4CO=NI(CO)4 this reaction separates nickel from other solid impurities.Starting with 86.4g NI,calculte the pressure of NI(CO)4 in a container of volume 4.00L
asked by silly 
ethics
What kinds of things are contained in a businesses terms and agreements pages?
asked by unknown 
Programming
Write a program that allows the user to display a budget as a pie chart. After the user enters numbers into the four text boxes a presses the button, the pie chart should be displayed. When I push the button for my code it does not display anything. Could
asked by Stacy 
Math
The path of a cliff diver as he dives into a lake is given by the equation y= (x10)^2+75, where y meters is the divers height above the water and x meters is the horizontal distance travelled by the diver. What is the maximum hight the diver is above
asked by Andy 
chemistry
Really need help on figuring out the formula for Iron Complex. The question was: 4.0 g of ferrous ammonium sulphate, FeS04(NH4)2*SO4*6H20, is used. The oxalate is in excess, calculate the theoretical yield of the iron complex. I got the moles of ferrous
asked by Nika 
chemistry
An electron in a hydrogen atom relaxes to the n= 4 level, emitting light of 138 THz. What is the value of n for the level in which the electron originated?
asked by lorah hilpolep 
vaporization lab
A graduated cylinder containing some air is immersed in water. The height between the the water surface and the top of the water inside the graduated cylinder is 106mm. Calculate the correction that must be added to the barometric pressure to find the
asked by mmeas 
Trig
A ship leaves its homeport and sails on a bearing of N28degrees10'E. Another ship leaves the same port at the same time and sails on a bearing of S61degrees50'E. If the first ship sails at 24.0 mph and second sails at 28mph, find the distance between the
asked by SK 
Trig
A plane flies 1.3 hr at 100mph on a bearing of N40degreesE. It then turns and flies 1.5hr at the same speed on a bearing of S50degreesE. How far is the plane from its starting point?
asked by SK 
Algebra 1
What is the solution of this question. You are taking a science course in which there will be four tests, each worth 100 points. You have scores of 88, 88, and 98 on the first three tests. You must make a total of 360 in order to get an A. What scores on
asked by Desperately seeking help!! 
Math
A kickball is kicked upward with an initial vertical velocity of 3.2 meters per second. The height of the ball is given by h=9.8t^2 + 3.2t where the height h is measured in feet, and the time t is measured in seconds. After how many seconds does the ball
asked by Jay 
stat
a credit card company estimated that 62% if its customers are males. The company is considering a randomly selected sample of five people.
asked by tanya 
calculus
find the area the region bounded by the graphs of the given equation y=81x,y=x^5,x=0,x=3
asked by Raven 
Trig
The angle of depression from the top of the building to a point on the ground is 29degrees30', the point of the ground is 36 meters from the top of the building. Find the height of the building
asked by SK 
Physics
When empty, a particular helicopter of mass 3770 kg can accelerate straight upward at a maximum acceleration of 1.29 m/s2. A careless crewman overloads the helicopter so that it is just unable to lift off. What is the mass of the cargo?
asked by Jack 
Trig
the angle of depression from the top of a building to a point on the ground is 32degrees30', how far is the point of the ground from the top of building if the building is 252m high?
asked by SK 
SORRY
I am sorry Ms. Sue.....!!!!
asked by Anonoyms 
math
the fee to join the local pool is $445.00 for the season. the pool is advertising a 25% discount for a new members. how much will a family save if they join my answer is $111.25
asked by AnOnYmOuS1 
math
if a phone team asks each person to call two people, how many rounds will it take to call 64 people?
asked by missy 
Trig
find sin(s+t), given that sin t=1/3, t in quadrant 2, and cos s = 2/5, s in quadrant 3
asked by SK 
chemistry
You have 100.7 g of saccharin, a sugar substitute, and you want to prepare a pH = 5.80 solution. What volume of solution can be prepared? For saccharin (HC7H4NSO3), pKa = 11.70 (pKa = −log Ka).
asked by justin 
chem
Complete and balance each of the following equations. If no reaction occurs, please enter NR in each answer box. (Type your answer using the format CO2 for CO2. Do not leave any box blank. Use the lowest possible coefficients.) ____Al4C3(s) + ___H2O
asked by rebekah 
Trig
Find the value of tangent of angle A, given cos2A = 4/5, and A terminates in quadrant 2
asked by SK 
chemistry
What mass of KOH is necessary to prepare 799.9 mL of a solution having a pH = 11.68?
asked by justin 
physics help please
a horizontal force of 8.0 newtons is used to pull a 20.newton wooden box moving toward the right along a horizantal, wood surface, as shown. A. Determine the mass of the box. B. calculate the magnitude of the acceleration of the box.[Show all work,
asked by mike 
math
sara wants to buy a jacket on sale. its original price is $15.00.The sale is 25% off.How much will sara save by buying the jacket on sale ? my answer is $3.75 is it correct?
asked by AnOnYmOuS1 
chemistry
Calculate the pH of a 5.20 103 M solution of H2SO4.
asked by justin 
trig
Use the double angle formula to verify the identity cotxsin2x=1+cos2x
asked by SK 
chemistry
A 0.20 M sodium chlorobenzoate (NaC7H4ClO2) solution has a pH of 8.65. Calculate the pH of a 0.19 M chlorobenzoic acid (HC7H4ClO2) solution.
asked by justin 
Algebra 1
Translate to an inequality using the variable x. The number of people in the chess club is less than or equal to 21. Please let me know if this is correct. x >= (less than or equal to) 21 Thanks for you help
asked by Desperately seeking help!! 
Math
The implied domain of f (x) = square x+5 is?
asked by Rose 
Very Important Question!!!
Please can someone tell me of any websites that can help me with algebra graphing, plotting, inequalities, and x & y intercept equations?
asked by thawk 
math
64 miles on 2 gallons;how many miles on 3 gallons? n=96
asked by AnOnYmOuS1 
Physics
A 7200 lb airplane lands on an aircraft carrier with a speed of 72 ft/s. The plane is caught by an elastic band (k=998 lb/ft) that has an initial stretch of 5.6 feet. What is the maximum distance the band is stretched?
asked by sandhu 
math
6 feet in 2 yards; how many yards in 10feet? i think the answer is 3
asked by AnOnYmOuS1 
math
How do I calculate the monthly payment...... Loan is $26,000.00 Down payment is 5,000.00 11% for 36 months
asked by Mare 
College Algebra
perform the indicated operations 93[43(2)
asked by Annie 
2nd grade
what is the antonym of the word smooth
asked by paige 
math
Today a new Ford costs $24,000 in 1970 it cost $6,000 what is the price relative?
asked by Mare 
College Algebra
can someone tell me how to get a division symbol when posting problems in Algebra
asked by Annie 
Chemistry
write the formula for the following chemical compounds 1.Sodium sulfide 2.sulfur hexaflouride 3.Ammonium sulfate
asked by lisa 
chemistry
The electrochemical cell described by the cell notation has an Eo of 0.37 V. Calculate the maximum electrical work (kJ) the cell has done if 331.73 g of Cu(s) (Molar Mass  63.55 g/mol) reacts. Round your answer to 3 significant figures. Cu(s) l Cu+(aq)
asked by flame 
math
If x= (2 3), y= (1 0 3) 4 5 2 1 0 find when possible, the matrix a) xy b) yx c) x square
asked by Tazz 
College Algebra
Perform the indicated operations 10 − 5[24 ÷ 6 ⋅ 2] 1
asked by Annie 
Physics
When a 55 N stone is attached to a spring scale and is submerged in water, the spring scale reads 30 N. What is the density of the stone? Answer in units of kg/m3.
asked by Nicole 
math
Which equation should be used to solve this problem? There is a number that is 8 less than the sum of 20 + 12. Find the number. Let n = the number.
asked by Anonymous 
Math
How do I determine the median of the following numbers 25, 28, 22 ,27, 25, 20, 30, 23, 27, and 29
asked by Mare 
English
I can't find any synonyms for the words I need to rephrase. Can you check them, please? 1) He thought there should be seapolice upon the HaerwichHolland ranges since that sea stretch was constantly overrun by pirates 2) He was expert in dabbling in
asked by Franco 
college algebra
9 − 34 − 3(2)
asked by Annie 
math
150 miles in 3 hours;how many miles in 30 minutes? my answer is 1.30
asked by AnOnYmOuS1 
geometry
I'm having a hard time understanding how to fine the Total Area(T.A) for a regular pyramid.
asked by Helen 
Pen Foster Child Care
Can you look over these to see if they are right? 1. The first step to planning a child care center is to A. develop your program philosophy. B. determine the nature of the need for child care facilities in your community. C. establish goals for the
asked by Doris 
chemistry
Ni+4CO=NI(CO)4 this reaction separates nickel from other solid impurities.Starting with 86.4g NI,calculte the pressure of NI(CO)4 in a container of volume To Drbobb222, after using the formular u gave. PV=nRT moles for NI(CO)4 is 171 and the volume is 4,
asked by silly 
physics
A 1240 N uniform beam is attached to a vertical wall at one end and is supported by a cable at the other end. A W = 1970 N crate hangs from the far end of the beamThe angle between the beam and the horizontal is 30 degrees upwards and the angle between the
asked by student 
math
10 servimgs per quart, how many serving per gallon? i think 40
asked by AnOnYmOuS1 
Chemistry
the formula H2O2 is an example of 1.molecular formula 2. an empirical formula 3.an ionic formula 4.an organic formula
asked by tia 
chemistry
How much heat is gained (in Joules) by the water where a chemical reaction takes place in 100 mL aqueous solution and has a temperature increase of 14 C?
asked by Anonymous 
physics
A ball player wishes to determine her pitching speed by throwing a ball horizontally from an elevation of 3.0 m above the ground. She sees the ball land 15 m down the range. What is the speed of the ball as it leaves her hand?
asked by Trace 
french, english
this is a french fable that I translated but I don't really undersand it. It is called the lion and the hunter... A braggart, lover of hunting, Just lost a dog of good breed, He suspected the body of a lion, Saw a shepherd: "Teach me, please, My thief, he
asked by mark 
hospitality
in a menu template, when it says subhead as one of the templates, what does that mean
asked by ted 
Physics
a sled mass 50 kg is pulled along snowcovered, flat group. the static friction coefficent is 0.30, and the sliding friction coefficient is .10. what force is need to get the sled moving? then, what force is needed to keep the sled moving at a constant
asked by Alex 
physics
a flight attendant pulls her 75 N flight bag a distance of 325 m along a level airport floor at a constant velocity. the force she exerts is 39 N at an angle of 57 degrees above the horizontal. calculate the coefficient of kinetic friction between the
asked by Alex 
History
What are some specific achievements of the people that Romans called "Barbarians"
asked by Mystery chicken 
chem
the total pressure of n2o4 and no2 IS 1.38 atm. if kp is 6.75(25 C) calculate partial pressure of NO2 in the mixture. 2NO2 n2o4
asked by anon 
calculus
Suppose a scooter travels at a velocity of v(t)= 8t meters/hour. Then the TOTAL distance traveled by the scooter over the first 2 hours is?
asked by dee 
algebra
solve using the multiplication principle.
asked by tim 
chemistry
How does electron configuration of ions derived from representative elements give them stability?
asked by silly 
English
I still don't know how to rephrase dabbling correctly. Can you check if everything is OK? Thank you for helping 1)He thought there should be seapolice upon the HaerwichHolland ranges since that sea stretch was constantly overrun by pirates. 2) He was
asked by Franco 
calculus
find the centroid of the region bounded by x^212x and the xaxis
asked by travis 
social studies
what were conditions like intenements
asked by mama 
physics
A centrifuge in a medical laboratory rotates at an angular speed of 3500 rev/min. When switched off, it rotates through 54.0 revolutions before coming to rest. Find the constant angular acceleration of the centrifuge in rad/s^2.
asked by angie 
history
How did the Knights of Labor and the AFL differ from earlier unions?
asked by Tesha 
6th grade math
a man is now three times as old as his son and was 30 when his son was born. how old is his son now?
asked by marisol 
English
I need help putting my thesis into "parallel grammatical structure". Children should be limited on the amount of television they watch because not only is it filled with bad influences but it causes them behavior problems, and ultimately puts their health
asked by Kayla 
6th grade
how do u change a ratio into a percent
asked by shannon 
medical billing and coding
you work in a physcians office performing billing. You notice that guidelines haven't been followed accurately in completing the claim form. what will happen if you don't correct the claim form?
asked by kim 
EDU310
please help me with this two questions I am in the hospital because i have a car accident please help 1 There are many groups that influence education in schools today. Who are these stakeholders and how do they impact the way children are educated in
asked by luly 
COMP 155
When writing a paragraph, it is important that the topic sentence and supporting points within that paragraph be directly related. What would be the reaction of a reader if the topic sentences in an essay did not coincide with the supporting points?
asked by Keisga 
math
6 for $2.10 1 is for 35cents
asked by AnOnYmOuS1 
physics help
Two thin rectangular sheets (0.15 m 0.50 m) are identical. In the first sheet the axis of rotation lies along the 0.15 m side, and in the second it lies along the 0.50 m side. The same torque is applied to each sheet. The first sheet, starting from rest,
asked by student 
Language
lesson 3 The Novel exam 00778900
asked by Catherine 
math
need help with math 117 week 4 checkpoint
asked by diane 
Physics
If the create has a mass of 90 kg and is 1.6 {\rm m} tall and 0.80 {\rm m} in depth and width, what is the minimum force needed to make the crate start tipping? (Assume the center of mass of the crate is at its center and static friction great enough to
asked by Danny 
Albebra
You want to buy a car but the price of $22000 is a bit steep. You are willing to put down $3000 and finance it over 5 years; however, you are restricted to no more than $325 per month. The interest rate is 6% per year. What is the price you can afford to
asked by sharone 
business math
two partners in a business. one partner mortgaged business property to his copartner for $15,000.00 at 12% a year interest. no payments were ever made for 17 years. how much is owed?
asked by martin sostre 
math
did you know when you try to find the least commen multiple of 3 numbers you have to divide by two after you get your answer my class (ms.lott in texas) told us that for some reason its doubling the number so always divide by two once you have crossed out
asked by alyssa 
English
I need to find 2 medaphors in the book Among the Enemy by Margaret Peterson Haddix. I can't find them after I've read it twice.
asked by Nick 
Chemistry
in an endothermic reaction 1.energy is a product and the temperature of the surrounding environment increases 2.energy is a product and the temperature of the surrounding environment decreases 3.energy is a rectant and the temperature of the surrounding
asked by Anonymous 
Microeconomincs
Find an article that deals with business impact on the environment. and i want to know what does business impact on the environment mean?
asked by mike 
science
Hi. I am conducting a science experiment to present to a class. Details of experiment below. Materials: 1 can of nondiet soda 1 can of diet soda 2 buckets of water 1. Fill bucket 2. Put can of nondiet soda into a bucket of water. 3. Wait for the can to
asked by Guy 
history
what is the purpose of the threefifths compromise
asked by daniel 
Spanish
If this is what they are saying in Spanish "Yo me llamo Joey.“ Vivo en Chicago pero soy de Springfield. “ How would I answer these two questions? ¿De dónde es Joey? ¿Dónde vive? Thank you
asked by Andrea 
need physics help
d=2.1 a=? vi=0 and t=.60 and i have to use the formula d=vit+1/2at^2, how do i do this? can you please show work so i can understand.
asked by mike 
Math
Im in advanced math and were doing Graphing Inequalities and im not sure how to do it.
asked by Noelle 
college algebra
S = 100(1e^kt) if 15000 books are sold after 1 year find the exact vaule of k?
asked by doodles 
Chemistry
write the formula for iron(II)bromide iron(III) sulfate
asked by Anonymous 
Chemistry
1. State specifically how you would make a conclusive test for an iron (III) salt. 2. Which test for iron (II) ions is conclusive. 3. Suppose you have a solution containing both an iron (II) salt and an iron (III) salt. How would you proceed to identify
asked by Justin 
Health
what is the drug classification of inhalants?
asked by hannah 
social studies
What did abraham lincoln do that was important for the thanksgiving celebration?
asked by Katherine 
chemistry
For the weak acid HX, what is the pH of a 0.10 M solution if the acid is 4.0% ionized?
asked by cs 
Statistics
A community of 100 homes constructed in 2009 contains 47 that used conventional construction. The reminder used Energy Star building standards. A real estate agent is going to show a client 5 homes. What is the probability that 3 were built using
asked by Jen 
chemistry
Calculate the H+ concentration (M) of a 0.010 M solution of NH4Cl. Note that the Kb for NH3 is 1.8 e5.
asked by cs 
Math
a man plans to build a teepee in the back yard for his children. The distance between the stays is 12 ft. the height to the top of the teepee is 8 ft. what is the length of pipes required for the teepee?
asked by Joann Paynter 
chemistry
Which of the following is a conjugate acidbase pair? A. H2SO4, H2SO3 B. NH3, NO2 C. CH3OH, CH3COOH D. HF, H2F E. NH3, NH4+
asked by cs 
Trigonometry
The Chrysler Building casts a shadow approximately 130 feet long on the street when the Sun's rays form an 82.9 angle with the Earth. Approximately how tall is the building? Round you answer to four decimal places.
asked by Lauren 
microeconomics, please help me solve .
The majority of the world’s diamonds comes from Country A and Country B. Suppose that the marginal cost of mining a diamond is $1,000 per diamond and that the demand schedule for diamonds is as follows: price quantity 6,000 5,500 5,000 6,500 4,000 7,000
asked by mary 
english
In a Word document, write a narrative paragraph that uses dialogue. The paragraph should demonstrate your ability to use sentence variety and proper punctuation. Your audience is your classmates. Begin with a 23 sentence description of the scene. Then add
asked by lakesha 
chemistry
New to working with equivalent weights. Any help would be appreciated. A metal weighing 4.0080 g formed 4.1002 g of hydride. What is the equivalent weight of the metal?
asked by Jennifer 
statistics
Four jelly beans are selected, one at a time from a bowl containing 6 black, 6 red and 6 green jelly beans. Let x represent the number of black jelly beans selected in 4 draws from the bowl. (A) If this experiment is completed without replacing the jelly
asked by kelly 
business
A colleague, an amateur pilot, shows up at a critical meeting with some Japanese executives wearing a tie adorned with pictures of a P51D Mustang escorting a B29 Superfortress (the Mustang is a World War II fighter and the Superfortress is the type of
asked by maggie 
Chemistry
if metal A is placed in an ionic solution containing metal B ions and no reaction occurs, then metal B is most likely: A.) a halogen B.) higher on the activity series C.) not on the activity series D.) a catalyst
asked by Lauren 
Trigonometry
Solve the equation on the interval 0
asked by Sarah 
college
Consider a gold sphere of mass 49 kg. Find its radius.
asked by ciara 
business
You know that you have only $110 left before you hit the limit on your credit card, and you have $8 in your wallet. You are the host to three clients. One has just announced that he is considering the lobster dinner for $40. The other two clients nod their
asked by maggie 
business
While waiting outside a meeting room, you notice that the next middle manager making a presentation is rehearsing what he will say. The pants zipper of his blue suit is open and part of his white shirt is protruding
asked by maggie 
college
If I combined 25.0 grams of aluminum hydroxide with 75.0 mL of 0.500 M HNO3 how many grams of aluminum hydroxide would be formed?
asked by Justin 
geo
Describe the topography of the interior plains as you would see it if you were driving across the region from west to east to the TransCanada highway.
asked by john 
Math
Let AB and CD be two lines intersecting at point O. Let OP be the bisector of angle AOC, OT the bisector of angle POB, and OR the bisector of angle TOD. If angle POR = 25 degrees, find angle AOC and angle AOD.
asked by Freaky 
literature
What is the plot summary of Edgar Allan Poe's "Cask of Amontillado"? With the introduction, rising action, climax,falling action and denouement. Thanks...
asked by klarmaesen 
chemistry
How many liters of 0.250 M HCl would be required to react completely with 7.50 grams of magnesium hydroxide?
asked by Justin 
Math
Solve for x : 16y^2=120x225
asked by Josh 
US History
What was the main purpose of Truman's speech a)to frighten the soviet gobernment b)to make clear how the United States would respond to Communist aggression c) to win congressional approval of the containment policy d)to expand the cold war
asked by Bread 
adult education
Is a fixedprice contract a good way to achieve the government’s goal of curbing rising costs? Explain
asked by om7 
chemistry
If 2.1 moles of CaCl2 are dissolved in enough water to make a 0.92liter solution, what is the resulting molarity?
asked by smith 
Essay help :)
Here is my essay: All About The Greek Wars War is a devastating human activity, one that hurts populations, destroys property, and destroys political and social structures for places where humans live. The history of mankind has been a history of warfare
asked by Allyson 
accounts
A petty cash fund of $100 is replenished when the fund contains $5 in cash and receipts for $92. The entry to replenish the fund would
asked by Anonymous 
physics
what is optical excitation
asked by pradee 
Physics
Two masses are suspended from a pulley as shown in the figure . The pulley itself has a mass of 0.30 kg, a radius of 0.20 m, and a constant torque of 0.30 m \cdot N due to the friction between the rotating pulley and its axle. What is the magnitude of the
asked by Garry 
algebra
cube has avolume of 729 cubic centimeters what is its side length
asked by james 
Family day care regualtions educational levels
Put this in order from begining to last associates degree 40 hour training bachelors degree cda degree or FCCPC associates thanks
asked by Martha 
English
Does this sentence need a comma? On this web site one can choose from eleven central science areas.
asked by Mary 
English
Is this correct? Here are the main categories: chemical elements games, astronomy games, cell games, Dino might, seasons, life cycles, animal classification and deep sea science.
asked by Anonymous 
algebra
what are 3 consecutive positive even integers that the product of the second and third integers is twebnty more than ten times the first integer?
asked by naicha 
chemistry
The electrochemical cell described by the cell notation has an Eo of 0.37 V. Calculate the maximum electrical work (kJ) the cell has done if 331.73 g of Cu(s) (Molar Mass  63.55 g/mol) reacts. Round your answer to 3 significant figures. Cu(s) l Cu+(aq)
asked by flame 
US History
I'm doing a song about Italian Immigration from the 1800's for a project nd I'm kind of stuck. Can someone help me out? What I have is this: Hey fratello, wish me luck Hey sorella, I’m awestruck Hey there Nonno, I’m earning bucks In the land of
asked by Alex 
Math  derivative of sinusoidal (check + help)
h(t) 0.6cos(2t) + 08 sin(t) h'(t) = v(t) = 1.2sin(2t) + 0.8cos(t) find the vertical displacement when the velocity is 0.8m/s how do i solve v(t) = 0.8m/s I tried the normal way by equating and factoring, however two answers are obtained and the second
asked by Farah 
chemistry
What is the (mass, weight)measure of nitrobenzene, which derived from the action of nitric acid in 60 g benzene? Please sove cpmpletely
asked by Benito 
phy 210
List advantages and disadvantages of various research methods
asked by terry johnson 
Math  Rates of change and the number e (check + h
Let f(x)= (1/b)^x for b>1, and left g(x) = (f'(x))/(f(x)) a) Predict the shape of the graph of g(x). it will be a straight line, since ln(1/b) will be a constant b) Test your prediction by exploring two specific cases. Values of (1/2) and (1/10) c)
asked by Farah 
college
what is the concentration of the chloride ion when enough water is added to 12 grams of sodium chloride to make 4.0 Liters if solution? (a) 0.025 M (b)0.05 M (c) 0.1 M (d)0.2
asked by Annmarie 
English
1) The wind is personified as a tired man, who like a guest, knocks at Emily Dickinson's door and asks her to enter. 2) Being invisible, there is no point in giving him a chair (it is no use giving him a chair) 3) Through his poem Davies wants to stress
asked by Franco 
chemistry
does NOCL follow the octet rule
asked by olivia 
algebra
what is slope and y intercept for y=22.048x19.464
asked by chris 
college
One way of assembling information necessary to treat a patient can be found in a unit record system. Using the Library and other outside references, define the requirements of a unit record system, what a unit record would include, and how the information
asked by tpickens 
English
Thank you for your corrections. I still need your help with a few sentences. I apologise for not writing an introduction to my previous post. 1) Pay careful attention to the plural of words and to the spelling of the verb “say”. 2)As you started
asked by Franco 
physics
An object has 90.38 Joules of energy and it is traveling at 11.26 m/s. What is the objects mass?
asked by Ibis 
7th grade math
a moving van's load changes from 1000 pounds to 800 pounds after delivering an appliance. What is the percent of decrease
asked by math 
physics
a 50kg object is suspended by a rope over a pulley which is connected to a large mass of 61.3kg. The mass rests on a 30 degree inclined ramp. The coefficient of kinetic friction between the block and the ramp is .15. What is the 50kg object's acceleration?
asked by Anonymous 
English
Thank you very much. I still have a few questions. 1) Your sentences are confused and sometimes disconnected. Check the spelling in the dictionary before writing a word and make sure you are using tenses correctly. 2) White people failed (their mission)
asked by Franco 
Economics
The productivity of a single resource in producing wheat and microchips in both Canada and Japan: One unit of resouce produces: Canada 50 tons wheat, 20 microchips and Japan 2 tons wheat, 12 microchips. (a) What is the opportunity cost of producing a ton
asked by lucky 
math
For 0 < x < 1, let f(x) = (1 + x)(1 + x4)(1 + x16)(1 + x64)(1 + x256) · · · Compute f−1 8 5f(3/8)
asked by Suzy 
math
For 0 < x < 1, let f(x) = (1 + x)(1 + x4)(1 + x16)(1 + x64)(1 + x256) · · · Compute f−1 8 5f(3/8)
asked by Suzy 
math
For 0 < x < 1, let f(x) = (1 + x)(1 + x4)(1 + x16)(1 + x64)(1 + x256) · · · Compute f−1(8/5f(3/8)
asked by Suzy 
Economics
The productivity of a single resource in producing wheat and microchips in both Canada and Japan: One unit of resource produces: Canada 50 tons wheat, 20 micrchips and Japan 2 tons wheat, 12 microchips. (b) Suppose Canada is endowed with 2 units of this
asked by lucky 
physics
A block starts with a speed of 18.0 m/s and slides for a distance of 2.2 m down a 40° ramp (muk = 0.43). What is its final speed? (m/s) Thanks for suggeting the following solution. The block starts with an initial speed of 18.0 m/s.Does it have any
asked by sandhu 
math
Let AB and CD be two lines intersecting at point O. Let OP be the bisector of ]AOC, OT the bisector of ]POB, and OR the bisector of ]TOD. If ]POR = 25, find ]AOC and ]AOD.
asked by Suzy 
algebra
$7.80/hour = ______ cents/minute?
asked by alexis 
Chemistry
So I mixed 25 mL of 0.002 M KSCN and 25 mL of water in a beaker. The solution was clear with no precipitants. But then it says the ions present in KSCN are: so i put K+,S2 , CN is that right?
asked by Ana 
physics
Two spheres A and B, where A has twice the mas of B, are projected at the same horizontal velocity off the edge of two different height shelves. Sphere A leaves from a height of 2.0 m. Sphere B leaves a shelf 1.0 m off the floor. If both spheres leave the
asked by Katie 
chemistry
divide eq 2 by 2: 2H(g)........> H2(g) delta H= 104.2Kcal H(g) ........> 1/2 H2(g) delta H= 72.1Kcal Now reverse the reaction: 1/2H2(g).......>H(g) delta H=+72.1Kcal subtract this eq from eq 1 1/2H(g)+1/2I2(g).....>HI(g) delta H=1.1kcal
asked by Anonymous 
english
what does the mentioning of heavenly bodies, i.e. the sky, the air, etc., reflect in the "The Shawl" by Cynthia Ozick?
asked by steve 
CHEMISTRY
A 2.800g mineral sample was analyzed for its calcium carbonate, CaCO3, content by titrating it with hydrochloric acid (the reaction products are calcium chloride, carbon dioxide, and water). The sample required 28.48 mL of a 0.1505 M HCl solution to react
asked by Anonymous 
Physics
A train has a mass of 5.22 multiplied by 106 kg and is moving at 82.0 km/h. The engineer applies the brakes, resulting in a net backward force of 1.87 multiplied by 106 N on the train. The brakes are held on for 21.0 s.
asked by john 
5th grade
whats the gcf of 16 and 42 why
asked by kristi 
Math
How much foil is required to cover a rectangular box that is 4 in by 8 in by 5 in?
asked by Chelle 
math
there are 24 hours in a day and scientists tell us that we should sleep for 3/8 of the day.How much time should we spend sleeping?
asked by jessie 
physics
if the static coefficient of friction in the ice rink between the floor and the skater's shoes is .2, how much pushing force can he supply before his boots will begin to slide?(the skater's mass is 120kg)
asked by beth 
physics
Take the mass of the Earth to be 5.98 × 1024 kg. If the Earth’s gravitational force causes a falling 52 kg student to accelerate downward at 9.8 m/s2, determine the upward accelera tion of the Earth during the student’s fall. Answer in units of m/s2.
asked by todd 
Algebra ?
When dN= 3 ; H = 4.6 ; Do = 70 ; Dn=38 ; L=77,8 Solve this : R= d + H DnDo  2L
asked by Reema 
science
what happens to a soccer ball underwater at a depth of 50 feet?
asked by Matthew 
cosmetics science
Could you tell me,what is the specific mobile phase of lycopene when stationary phase is silica? Thank you.
asked by sine 
physics
An aluminum wire of radius 3.10 104 m is stretched between the ends of 2 concrete blocks. When the system (wire and concrete) is at 35°C, the tension in the wire is 57.0 N. What is the tension in the wire when the system is heated to 185°C?
asked by Ben 
chemistry
A healthy adult exhales about 5.0*10 exponent 2 ml, of a gaseous mixture with each breath. calculate the number of molecules present in this volume at 37C and 1.1atm.
asked by silly 
US History
Who did Truman promise to help? a)subjugated minorities b)armed resistance movemnts c)majorities whose freedom was threatened d)all of the above I think D
asked by Bread 
chemistry
3.49g of ammonia at STP weighs 4.48litre calculate molecular mass of it.
asked by Anonymous 
chemistry help
this isnt exactly a chemistry question, but i am doing chemistry homework with my calculator. and i want to know if someone can tell me how can i cube something with this calculator? TI30X IIS? i wanted to post a pic but i cant post sites. i have this
asked by jessie 
US History
Do you think the Truman Doctrine would be a good model for conducting American foreign policy today? Why or why not ?
asked by Bread