Questions Asked on
February 5, 2013

chemistry
would the ratio of moles of Cu:moles of CuCl2 differ from atoms of Cu:formula units of CuCl2? Why or Why not?
asked by megan 
World History
What reasons did Jackson have for wanting to destroy the Second Bank of the United States?
asked by Victoria 
World History
What were the shortterm and longterm effects of Jackson's war on the bank?
asked by Victoria 
World History
Why did the Whigs want to nominate a candidate like Harrison, who did not have strong political views?
asked by Victoria 
physics
A 1236.9 kg car is pulling a 334.8 kg trailer. Together, the car and trailer have an acceleration of 2.73 m/s 2 . What is the net force on the car? Answer in units of N
asked by Anonymous 
Calculus
Marginal Cost Businesses can buy multiple licenses for data compression software at a total cost of approximately C(x) = 96x2/3 dollars for x licenses. Find the derivative of this cost function at the following values x=8 and x=64 I do not know where to
asked by Sarah 
Physics
A 6 kg grinding wheel of radius 0.2 m rotates at a constant rotational frequency of 4 rad/s when an object makes contact with the outer edge of the wheel. Friction causes the wheel to stop in 2 seconds. What is the average torque on the wheel by the
asked by Physics 
Science
A 6 kg grinding wheel of radius 0.2 m rotates at a constant rotational frequency of 4 rad/s when an object makes contact with the outer edge of the wheel. Friction causes the wheel to stop in 2 seconds. What is the average torque on the wheel by the
asked by Physics 
biology
7. Imagine you have 2 chambers connected by a flexible, semipermeable membrane and completely filled with solutions  one chamber contains 50ml of a 50mM NaCl solution (A), and the other (B) contains 100 ml of a 100mM NaCl solution? If the membrane permits
asked by ....... 
calc
find the derivatives of the given functions. g(t)=sqrt t(1+t)/t^2
asked by Jake 
Physics
A boat must cross a 260mwide river and arrive at a point 110 upstream from where it starts. To do so, the pilot must head the boat at a 45 degree upstream angle. THe current has speed 2.3 m/s. a) What is the speed of the boat in still water? b) How much
asked by Chris 
Algebra
y3 + 64
asked by LaShawn 
u.s. history
explain the historical significance of lafayette escadrille
asked by phebbie 
Algebra
5a2b2 − 10ab2 + 25b2
asked by LaShawn 
Algebra
14z2 + 81z − 9
asked by LaShawn 
maths
A bag contains 4 red and 3 black balls. A second bag contains 2 red and 4 black balls. One bag is selected at random. From the selected bag, one ball is drawn. Find the probability that the drawn ball is red.
asked by Anonymous 
Precalculus
Anthony is trying to cross the Mississippi river in a kayak. He is traveling due east at 6 ft/second. However there is a current that is traveling due north at 4 ft/sec. find the new speed and direction of Anthony and his kayak. If the distance across the
asked by Susan 
physics
a 50 kg student who is late runs up two flights of stairs whose combined vertical height is 7.0 m in 10 s (and he then silently enters the classroom while the professor is writing on the chalkboard).Calculate the student's power output in doing work
asked by nicole 
Programming
Hello All i am new in dynamics Ax when i am going to connect the C# with Dynamics Ax using logon method i am getting the following error when connecting with DynAX from the it's own server so it connects but when i want to connect it from client computer
asked by ajmal 
math
If the highest score is100 and the average score for12 students is 95. What is the lowest score in order to get the average of 95?
asked by Bruce 
MAth
All faces of a 4inch cube have been painted. if the cube is cut into 1inch smaller cubes, how many of them have no paint on all their faces? with solution pls... tnx...
asked by HELP HELP HELP MNHS 
Math
What is the least number of square pieces into which a cardboard, 13ft long and 8ft wide can be cut? solution pls...
asked by HELP HELP HELP MNHS 
maths
Which organization has authorized data about population of India
asked by Anonymous 
PHY 101
An archer aims an arrow precisely horizontally over a large, flat field and lets it fly. At the same instant, the archer's watchband breaks and the watch falls to the ground. Does the watch hit the ground before, at the same times as, or after the arrow
asked by Caroline 
Physics
An electron is projected with an initial speed of (1.6x10^6 m/s) into the uniform field between two parallel plates. Assume that the field between the plates is uniform and directed vertically downward, and that the field outside the plates is zero. The
asked by Kevin 
maths
ABCD is a parallelogram the angle bisector of angleA and angleD intersect at O. Find the measure of angle AOD
asked by ganga 
chemistry
what would be the volume of 0.05 mole of carbon tetra chloride gas ccl4 ar rtp
asked by sidra 
physics
A coin of mass 3 g slides horizontally on the surface of a table. The frictional force exerted on the penny is 0.0147 N. What is the coefficient of friction between the table and the penny?
asked by aritro 
mathsurgently needed
ABCD is a square with length of each side 1cm. An octagon is formed by lines joining the vertices of the square to the mid points of opposite sides. Find the area of the octagon?
asked by Anonymous 
math
I am a 2digit number with a 1digit decimal. I am bigger than 54 but smaller than 56. 2 of my digits are even. When you divide my whole number by the digit in my decimal place, the answer has no remainder. What are the biggest and smallest numbers I could
asked by tom 
common ailments
erosion of the lining of the stomach results in a.hyperacidity b.peptic ulcers c.dyspepsia d.heartburn my answer is b someone please help
asked by susue 
Physics
The distance time graph shows a cart moving at a straight path. a. Describe the speed of the cart between: 1.) A and B  The cart is moving with constant speed for 10 seconds and it is now at rest for 20 seconds. 2.) B and C  The cart at rest for 20
asked by RR 
Physics
The speed time graph shows the motion of a car over a period of 40 seconds. a. describe the motion of the car between: 1.) O and A  The car is traveling at constant speed from 0 to 20 m/s. 2.) A and B  The car is at rest for 20 seconds. 3.) B and C  The
asked by RR 
geometry
20+90*955
asked by Anonymous 
math
hi.A vehicle weighing 1.3 tonne leaves skid marks 23 meters long.After 15 meters it hit pedestrain.The co efficient of friction is .7 .what was vehicle initial speed at start of skid and at impact.thanks
asked by glenn 
Physics
The speed time graph shows the motion of a car over a period of 40 seconds. a. describe the motion of the car between: 1.) O and A  The car is traveling at constant speed from 0 to 20 m/s. 2.) A and B  The car is at rest for 20 seconds. 3.) B and C  The
asked by RR 
math
3y+2z2y+3z
asked by aminla 
trig
a tower that is a 200 meters is leaning to one side. from a certain point on that side, the angle of elevation to the top of the tower is 70 degree. From a point 55 meters closer to the tower, the angle of elevation is 85 degree. Determine the acute angle
asked by Anonymous 
maths science
3a+b+5a+2b. 4(e2)2(e+1).(2x+1)(x2) find y if x=2
asked by thully ntuli 
Math
If the width and length are both 13in what is the area of the triangle?
asked by Gg 
Sardhanand barbigha mathematics
PrincipalRs300. Time3 years .simple interestRs 45 then find how much the yearly hundreds of interest rate
asked by Swati roy 
math
What is the general pattern when you divide each polynomial (x^3Y^3, x^5y^5, x^7y^7, x^9y^9) by xy?
asked by alicia 
Biology....someone who can explain something to me
can someone explain the MillerUrey Experiment to me? I've read it again and again and I just don't really get it. Please help me out here.
asked by Corie 
Chemistry
Calculate the final temperature of 244 of water initially at 35 upon absorption of 20 of heat
asked by KJ 
physics
hi.A vehicle weighing 1.3 tonne leaves skid marks 23 meters long.After 15 meters it hit pedestrain.The co efficient of friction is .7 .what was vehicle initial speed at start of skid and at impact.thanks
asked by glenn 
statitstics
A warehouse employs 22 workers on first shift and 14 workers on second shift. Eight workers are chosen at random to be interviewed about the work environment. Find the Probability of choosing: A. All firstshift workers B. All secondshift workers C. Six
asked by latarsha 
physics
A DVD player can exert a torque on a DVD of 10−3 N⋅m. What is the DVD’s angular acceleration in rad/s2?
asked by Anonymous 
physics
A DVD player can exert a torque on a DVD of 10−3 N⋅m. What is the DVD’s angular acceleration in rad/s2?
asked by Anonymous 
math
make bar graph usins atleast 10 numbers that have mode 15,min5,med10,max20
asked by Anonymous 
algebra
can you solve this problem using expression 0.05(0.03m+35n)0.8(0.09n22m)
asked by A 
math
(1).answer that correctly shows following vectors,given in component form, in standard position. (1). V=(5,2) (2). v=(3,4) (3).u=(16,8) v=(5,3) u+v= ? (#,#) (4).u=(10,5) 3u= ?
asked by maranade 
Math
Vertically opposite angles make __ degrees.
asked by Jessie 
University, Engineering Math
solve the ffg. differential equations: 1. x^3 +(y+1)^2 dy/dx=0 2. dy/dx(1+1/x)y=y^2 3. dy/dx + ytanx=y^3sec^4x
asked by Taldil 
Chemistry
a .50 g of NaCl is added to water to create a .50 L solution. what volume of this solution is needed to create a 1.30L solution that is .100M NaCl
asked by Harjit 
Math Algebra 2
How do I put log in a TI84 calculator. #1.Express the logarithm in terms of log2M and log2N: log2(MN)4 #2. Express the logarithm in terms of log2M and log2N: log2 the cube root of M2N #3. Express the logarithm in terms of log2M and log2N: log2 (M/N)7 #4.
asked by AM 
Math Algebra 2
Or can someone show me how to put it in the calcuator. Please
asked by AM 
Math
The radii of two cylinders 3:2 and height 7:4.find the ratios of their curved surface area.
asked by Simon 
Math
A box measures 60cm*52cm*40cm.find the area of the cardboards required to make 280 such boxes.
asked by Simon 
College AlgebraStill Confused
I have a few problems I need help with and also do have multiple choice. If I can have an explanation of how to get the answer that would be great. 1. Use the discriminant to determine whether the given equation has two irrational roots, two rational
asked by Krissy 
Math Algebra 2
#4. Express the logarithm in terms of log2M and log2N: log2 1/MN #5. Simplify: log4 3  log4 48 #6. Solve the equation: loga x = 3/2loga 9 + loga 2 #7. Solve the equation: logb (x2 + 7) = 2/3logb 64 #8. Solve the equation: loga (3x + 5)  loga (x  5) =
asked by AM 
business
Strategic Management  Microsoft's Corporate Citizenship Program. I am requesting for guidance in the following: please assist with the following questions 1. Discuss how the company's commitment to global citizenship provides positive benefits for its
asked by Kristen 
math 209
the time t for a pendulum to swing back and forth once is called its period and is given by t=2pi*sqrt l/g where l equals the length of the pendulum solve for g
asked by shannon 
math
Solve 1 = (y+3)(2y2) e5q41
asked by baller 
physics
Donkey experiencing a gravitational force of 2500 N is trying to pull a cart force due to gravity of a cart is 800 N) with a force of 400 N. The rope between the donkey and a cart is 30 degrees with the cart. The cart does not move. Show a diagram of all
asked by John kgosiyagae 
architecture
Describe the differences you observe between the art and architecture of the Early Renaissance (Chapter 8) and that of the High and Late Renaissance. Select an Early Renaissance work of painting, sculpture, and architecture, and compare them to examples
asked by Elena 
art
In what ways does Albrecht Dürer’s "Four Apostles" serve as an expression of the Protestant faith?
asked by Mackenzie 
architecture
What are the major characteristics of Mannerist art and architecture? Select a Mannerist painting, sculpture, and architectural work, and describe the Mannerist features of each.
asked by Leslie 
math 209
.78=2(3.14)*sqrt.5/g solve for g
asked by shannon 
math
if x+3/3=y+2/2, then x/3=? whats the answer? I think its y/2. but im probly wrong. please explain to me.
asked by Corie 
physics
At an instant when a soccer ball is in contact with the foot of a player kicking it, the horizontal or x component of the ball's acceleration is 780 m/s2 and the vertical or y component of its acceleration is 1160 m/s2. The ball's mass is 0.38 kg. What is
asked by Carlos 
chmistry
3O2(g)> 2O3(g) Delta H = +284.6 kJ what is the sign of delta G and delta S
asked by bb 
math
How to construct an angle of 135 degree?
asked by nada 
Chemistry
1) given the following equation : Na2O 2Hl__>2Nal H2O (501.6KJ) a) 1f 9g of Nal are formed by the process, how much heat(q)will be involved? b) state whether the reaction is endorthermicor exothermic
asked by Shazra 
math
The sunshine bakery sells pies at a fixed price o p dollars per pie. The total number of pies demanded daily, D, is related to the price, p, in dollars by the equation: D = 10p + 200 On the other hand, the daily supply of pies, S, is related to the price,
asked by diana 
Chemistry(the)
An optically active compound having molecular formula C6H12O6 is found in two isomeric forms (A) and (B) in nature. When (A) and (B) are dissolved in water they show the following equilibrium. (A) Equilibrium mixture (B) D = 1110 52.20 19.20 (i) What are
asked by abhi 
math
Solve the following systems of equations. 3x + 4y = 4 2x + y = 6
asked by diana 
Che
An optically active amino acid (A) can exist in three forms depending on the pH of the medium. If the molecular formula of (A) is C3H7NO2 write (i) structure of compound (A) in aqueous medium. What are such ions called? (ii) In which medium will the
asked by abhi 
science
Two forces of 5N and 7N respectively act on an object when will the resultant of the two vectors be at maximum
asked by Refiloe 
Math
Which binomial is a factor of f(x) = x^4 27x^2 14x + 120? (x 4) (x 2) (x + 5) (x + 6)
asked by Lauren 
StatisticsProbability
An instructor will choose 3 problems from a set of 7 containing 3 hard and 4 easy problems. If the selection is made at random, what is the probability that only the hard problems are chosen?
asked by Steven 
Math
A cylindrical tube is open at both ends.the internal diameter tube 10.4cm and its length is 25cm. If the thickness of the tube 8mm everywhere,find the total surface of area of the tube.
asked by Simon 
Education
Resistance to learning the language of a country where one is visiting is an example of ethnocentrism. True or False? I would think this is false but I wanted a second opinion.
asked by Lor 
science
A piece of copper wire and a 50lb block of copper have the same density. Explain how can this be true.
asked by teacher1 
science
Give 2 examples of things that are not matter and explain why they are not classifed as matter
asked by teacher1 
Geography
The G8 countries are responsible for 62% of the carbon dioxide emission into the earths atmosphere. Should I classify this as worrying or human changes
asked by Zoe 
Accounting
What is "loss of lawsuit" categorized as? Current/noncurrent assets, current/noncurrent liabilities, owners' equity, expenses or revenues?
asked by Steph 
Life orientation
Behaviour and 5 factors that contribute to the disease of hiv and aids
asked by Hendrick 
algebra
write the equation of a line parallel to the given line but passing through the given point y=x+4;(7,1) discuss the steps necessary to carry out each activity. describe what each line looks like in relation to the original given line
asked by Anonymous 
math
Write the equation of a line perpendicular to the given line but passing through the given point. y=1/2x+1;(4,2)
asked by Anonymous 
EnglishGrammar
Identify how the underlined pronoun in each sentence is being used. 18. Someone sent Ed and (me) a text from an unknown phone. direct object (my answer)indirect object 19. Mr. Simons saw Owen and (us) at the registry. (my answer)direct object indirect
asked by Anon 
geometry
Two similar polygons have areas of 50 and 100 sq. in. Find the ratio of the length of a pair of corresponding sides.
asked by izzy jones 
History
3. In order to try to gain control over West Berlin, the Soviet Union *A.) set up a total blockade cutting off that section of the city. B.) threatened the section of the city with troops and tanks. C.) operated a massive airlift to bring in needed
asked by Cassie 
EnglishGrammar
Decide if the underlined (in parentheses) pronoun in the sentences below is used as a subject, a predicate nominative, or an appositive. Both Ben and (he) will graduate at the same time. (my answer)subject predicate nominative appositive The driver of that
asked by Anon 
Physics
A stone popelled from a catalpult with the speed of 50m/s attained a height of 100m. Calculate the time of flight and angle of projection.
asked by Onyinho De Yp 
Physics
As it passes over Grand Bahama Island, the eye of a hurricane is moving in a direction 25 degrees north of west with a speed of 97 km/h. Three hours later, it shifts due north, and its speed slows to 79 km/h. How far from Grand Bahama is the eye 4.50 h
asked by dallas 
Mpumulana
Why do you think some criminals use facebook as a tool to achieve their goals?
asked by Phumzile 
english
pl let me know the parts of speech for OVER in the given text : She spread a cloth OVER the table
asked by r s telagathoty 
Mpumulana
Why do you think some criminals use facebook as a tool to achieve their goals?
asked by Phumzile 
chemistry
I am supposed to add NH4 and C2H3O2 together and write the new ion. Would it be NH7C2O2? do I add the hydrogens together and were would it go in the order then?
asked by Melissa 
World history; Check:P
Write a opinion paper on the most significant consequences of the Agricultural Revolution. We have Neolithic Farmers to thank for early settlements, villages and then towns. They made all that happen by dint one one simple factor  food surplus. You don't
asked by Unknown 
physics
A 1500.0 kg car accelerates uniformly to double its speed from 35.9 km/h in 4.74 s. What net force acted on this car?
asked by Emily 
physics
A hiker shouts toward a vertical cliff 660 m away. The echo is heard 4.00 s later. (a) What is the speed of sound of the hiker's voice in air? (b) The wavelength of the sound is 0.758 m. What is its frequency? (c) What is the period of the wave?
asked by willis tower 
physics
calculate the acceleration of a 2000kg single air plane just before takeoff when the thrust of its engine is 500 N
asked by tony 
Grammar (Last one :) )
Except for Ronnie and _____, everyone was on time. him(my answer) he Between you and _____, I know the answer to the mystery. I me(my answer) Leave your message with Ms. Horioka and _____. me(my answer) I It was Geraldine Ferraro _______ ran for vice
asked by Anon 
Physics
A particle undergoes three displacements. The first has a magnitude of 15 m and makes an angle of 30 degrees with the positive x axis. The second has a magnitude of 8.6 m and makes an angle of 149 degrees with the positive x axis. After the third
asked by Preston 
math
How do I write 3/8 + 4/8 in its simplest form?
asked by Kyndall 
science
Some parts of the atmosphere are warmer than others. This causes air particles to,which in turn causes the wind. Moves heat by conduction form convestion currents move by radiation become more dense. I am just having a hard time finding the answer
asked by Sandy 
English
Hello. Will you please check the sentence for me? Is the second part of it natural, maybe it needs the article? "Many people have died since the time of (the?) occupation". Thank you for all your help.
asked by Ilma 
science
what is the main cause of global wind patterns?
asked by Sandy 
Physics
A ball is shot from the ground into the air. At a height of 9.1 m, the velocity is observed to be v = (6.6 + 5.7 ) m/s, with horizontal and upward. (a) To what maximum height does the ball rise? m (b) What total horizontal distance does the ball travel? m
asked by Rachel 
Algebra 1 Math
Can anyone please show me and explain how to solve 9x+2=3y? Thanks,Bye.
asked by Tony 
Math
What is the rule for this function? Input: 2, Output: 4 Input: 0, Output: 2 Input: 5, Output: 3 Thank You!! :)
asked by Sarah 
Math
What is the rule for this function? Input: 2, Output: 4 Input: 0, Output: 2 Input: 5, Output: 3 Thank You!! :)
asked by Sarah 
math
If I had to convert 15 oz. to kg and it was given that 1 oz = 28.35 g and that 1 g = 1000 kg, how would I show my work to get the answer?
asked by anonymous 
Calculus and vectors
Vector AB is a vector whose tail is at (4,2) and whose head is at (1,3). Calculate the magnitude of vector AB Determine the coordinates of point D on vector CD, if C (6,0) and vector CD= vector AB. Please I need some help. Is there a formula to solve
asked by Ted 
Calculus and vectors
Vector AB is a vector whose tail is at (4,2) and whose head is at (1,3). Calculate the magnitude of vector AB Determine the coordinates of point D on vector CD, if C (6,0) and vector CD= vector AB. Please I need some help. Is there a formula to solve
asked by Ted 
English
Hello again. Dear Writeacher. I'm embarrassed to bother you with the same questions you have already answered, but my problem is that I didn'n quite get it (my fault), so will you be so kind as to answer it again: do we need the article in the context
asked by Ilma 
Chemistry (Combustion) formula question
Data; Volume of water, 100ml Room temp, 24C Initial water temp, 15C Final water temp, 30C Question: Calculate the mass of water heated. Hint: The density of the liquid water is 1.0g/ml. I have no idea how to do this. Can someone help? Thanks!
asked by Allyson 
Science
Some nitrogen atoms have seven neutrons and some have eight neutrons. These two forms of nitrogen are: a. ions of each other b. phases of each other c. isotopes of each other and how exactly do you know? My book doesn't cover this at all yet its in my
asked by carl 
math
What comes next in this pattern 2 12 32 62 102?
asked by Anonymous 
Math
Brian has 3 basketball cards and 7 baseball cards .whatfraction of Brian cards are baseball cars?
asked by Pietro 
math
3:15::60:_ Please elp
asked by Anonymous 
college matematics
you are dealt one card from a standard 52 card deck find the probability of being dealt a heart
asked by carol 
algebra
Generate the first five terms in the sequence using the explicit formula; Cn=12n11 Please explain
asked by lee 
algebra
Write a recursive formula for the sequence formula 15,26,48,92,180,.. then find the next term. can someone please help me
asked by lee 
Math
Sophia has 2 purple flower , 6 pink flowers,and 4 yellow flower .what fraction of Sophia flowers are not yellow?
asked by Pietro 
math
I bought 16.8 gallons of gas at a cost of $61.47. Estimate the unit price(cost per gallon)
asked by Lyn 
math
A baby weighed eight pounds and three ounces at birth. If the baby weighed twelve pounds and five ounces at three months of age, how much weight did the baby gain?
asked by Anonymous 
Finance
A U.S. firm wants to raise $15 million by selling 1 million shares at a net price of $15. We know that some say that firms "leave money on the table" because of the phenomonon of underpricing. Using the average amount of underpricing in U.S. IPOs, how many
asked by Anonymous 
Molar heat of combustion question!
Calculate the molar heat of combustion of paraffin, expressed in units of kJ/mol. First calculate the thermal energy released when one mole of parafin burns) because one mole of parafin (c25h52) has a mass of 325g, the molar heat of combustion will be 352
asked by Allyson 
English; Help/Check.
Write down what you learn about Herbert, Mr. White, and Mrs. White from their reactions to the paw. Ms.WHite: She didn't think if you asked for something you'd get something taken away for that wish. Mr.WHite: he seemed to only want the the paw for show
asked by Unknown 
Geography
Which of the following is not a city? A)Phoenix B) San Diego C)Maryland D)Houston
asked by Vincenzo 
Physics
A 19 g bullet is accelerated in a riﬂe barrel 70.6 cm long to a speed of 506 m/s. Use the workenergy theorem to ﬁnd the average force exerted on the bullet while it is being accelerated. Answer in units of N
asked by Ted 
Physics
An outﬁelder throws a 1.05 kg baseball at a speed of 99 m/s and an initial angle of 47.5 ◦ . What is the kinetic energy of the ball at the highest point of its motion? Answer in units of J
asked by Ted 
Physics
A pendulum bob is released from some initial height such that the speed of the bob at the bottom of the swing is 1.5 m/s. The acceleration of gravity is 9.81 m/s 2 . What is the initial height of the bob? Answer in units of m
asked by Ted 
Physical Science Please Help!
Table salt, sodium chloride, has the formula NaCl. A weight of 58.44 grams of table salt contains 1.0 mole of NaCl molecules. How many moles of NaCl are contained in 29.22 grams of NaCl?
asked by Dawn 
Bio
1) Create a flowchart that describes the reproductive cycle of a typical fungus, such as bread mould. 2) Create a concept map comparing the reproductive structures and processes of moulds, sac fungi, and club fungi how do i do this??
asked by Kim Hyun Joong 
political science
Critically evaluate plato's justification of rule by philosopher kings. Please help its needed the soonest
asked by jean 
Math
Hello! I am needing some help on Algebra! It is hard ! Can you explain how to Simplify Algebraic Expressions? The easiest way? I have a test over it Friday, and i can't understand it at all! Can you help with these and explain? 12z+4(z9)+30+z and
asked by Megan 
earth
how are dunes and canyons related
asked by Anonymous 
Algebra
z^2+17z60
asked by LaShawn 
Algebra
ab^2+8ab9a
asked by LaShawn 
Algebra
3y^3+24y^236y
asked by LaShawn 
Physics
After flying for 15 min in a wind blowing 42 km/h at an angle of 28° south of east, an airplane pilot is over a town that is 42 km due north of the starting point. What is the speed of the airplane relative to the air?
asked by Patricia 
Math
Trigonometric identity SinD tanD Simplify please
asked by Sarah 
math
Franco went to sticker station. He bought 2 strips of 10 and 6 singles of frog stickers. He also bought 5 strips of 10 and 2 singles of butterfly stickers. How many stickers did Franco buy?
asked by help 
maths
Joshua has 3yards of ribbon. She needs 1/4 yard to make 1 bow. How many bows can joshua make?
asked by nasara 
science
What simple machines are in a skateboard?
asked by Anonymous 
math
eight members of a club will make a paper chain. the chain is 4 feet long. each member will make an equal part. how much of the chain , in feet, will each member make?
asked by Tina 
math
Franco went to sticker station. He bought 2 strips of 10 and 6 singles of frog stickers. He also bought 5 strips of 10 and 2 singles of butterfly stickers. How many stickers did Franco buy?
asked by help 
Science
If you are given a sample containg 1.204 x 10 24 molecules of NaCl, what is its weight in grams?
asked by DeAnna 
history
1.who was the commander of the u.s. navy in the pacific? 2.where did the japanese strike after pearl harbor?
asked by raul 
English I
Can someone please help me with this analogy? Joints:inflamed::_______atrophy. It is a crossword and there are 7 spaces. Thanks!
asked by Em 
Math
Blake is packaging 1500 CDs to a friend. He can boy them in groups of 8 12 or 16. How many boxes will Blake need to pack the Cds in groups of 8? groups of 12? groups of 16? 8=1875? 12=125? 16=9375?
asked by Carson 
Chemistry
Why is the formula for potassium peroxide K2O2?
asked by A Canadian 
Please help with Physical Science 2!! Confused!
Complete the following table by replacing question marks with the correct numbers: (Note: Each horizontal row is a separate example, so in row #1, 175.32 grams of NaCl is how many moles of NaCl and how many molecules of NaCl does it contain?) Grams NaCl
asked by Ella 
math
What simple machines are on a skateboard?
asked by Anonymous 
math
a rope was cut in 7 equal pieces of 1/2 a piece measures 3 inch. how many inch was the rope before it was cut
asked by aaron 
math
What is the range of this data 36.75.63.49.83.46.54.79
asked by billy 
English 102
What is "Imagine there is no Heaven" by Salman Rushdie about? I was looking for a general summary because I don't understand
asked by Jillian 
History
Whose job was it to grow grain in colonial times
asked by Kendrick 
math
a box contains 4 red pencils nand ix black pencils. what fraction of the pencils are red
asked by Anonymous 
Chemistry
A mole of a pure substance contains 6.02x10^23 atoms. Alway true, sometime true or never true? I was thinking sometime true since a pure substance can be like H2O but H2O have 3 "atoms" (Is this what you call individual part of H2O?). Each "atoms" have
asked by Shadow 
Very hard history
Whose job was it to preserve fruit over the winter so you can dry it
asked by Serge 
math
I am a 2digit number over 50. When you put me in groups of 7, two are left over. The sum of my digits is 11. What number am I?
asked by Courtney 
MATH
1 + SIN X=2COS X
asked by MOX 
math
Betty did 5 exercises in one hour.what fraction of an hour did betty complete one exercises?
asked by aaron 
Algebra  Linear Functions
Find the x and y of each equation. x + y = 9 and x  2y = 2
asked by Anonymous 
math
what part of a mile is 1 rod
asked by maxwell 
Grammar
Use the infinitives below to write ten sentence. Label each use of the infinitive a noun, an adjective, or an adverb. 1). to sing 2). to drive 3). to give 4). to walk 5). to tell 6). to contribute 7). to act 8). to be 9). to sleep 10). to dream These are
asked by Victoria 
vocabulary
Proofread find two missing commas in compound sentences. Let's say it is ten o’clock in the morning. Your room is a mess! Your clothes are on the floor and games are everywhere. It won’t take long to clean but you can’t do it. There isn’t anything
asked by Sharon 
algebra
Need help with this one write an explicit formula for the sequence 1/2,3//7,1/3,5/19,3/14 then find q14 I don't know how to set this up can someone please show me how this one works
asked by lee 
Physics
A ball is thrown straight upward and returns to the thrower’s hand after 2 s in the air. A second ball is thrown at an angle of 38 degrees with the horizontal. At what speed must the second ball be thrown so that it reaches the same height as the one
asked by chris 
Logarithms
help e^15x=3 find solution to 4 decimal places. I don't know how to type it in to my calculator!
asked by jennifer 
math
compute the average of the following numbers: 17, 33, 45, 66, and 135
asked by steve 
social studies
conduct research on the discovery on google
asked by Anonymous 
math
solve using substitution y=4x8 y=2x+10
asked by Katie 
Math
Explain It Evan told his class that the people in his family have 14 legs altogether. Quinton said that there must be 7 people in Evan's family. Is Quinton correct? Explain
asked by Quan 
Algebra
how do you solve a^23a=0
asked by LaShawn 
Math
how do you find the the area of a shaded region between the circle and the and the triangle with the points given (8,6), (8,6) and (10,0)
asked by Ty 
Math
On friday, a computer was priced at $800. on the following wednesday, the price was reduced by 15%. On the following friday, the price was further reduced by 20%. what percent of the original price was the final price ?
asked by Nancy 
Psychology
Star and her brother, Mike, produce roughly the same levels of male hormones and female hormones. Given this information, it is likely that: Answer Star and Mike have not yet reached puberty. Star has reached puberty but Mike has not. Mike has reached
asked by Tammy 
spelling
How do you find the vowel sounds in the first syllable? Do you have to do it by saying the word is that the only way?
asked by wendy 
PHYSICS !!!HELP
#1.) If the force of gravity on a human is 539 N determine the mass of the human.
asked by AMANDA 
PHYSICS HELP!!
#2.) Draw a free body diagram for the following situation: a.) A 0.15 kg running shoe is pushed to the right, with a constant velocity, across a wet concrete floor with an applied force of 3.5 N. b.) Calculate the normal force exerted by the concrete onto
asked by AMANDA 
Math
I'm doing a project and I have looked everywhere for this answer. It's if using 50 math tiles how can you make the smallest area?
asked by Morgan 
PHYSICS HELP!!
3.) Draw a free body diagram of a boat being pulled at an accelerated rated by a truck down a highway.
asked by AMANDA 
Physics please help!!
A person who is 1.4 m tall throws a ball with a speed of 4.2 m/s at an angle of 25 degrees above the horizontal. What are the x and y components of the velocity (in m/s) of the ball the instant before it strikes the ground? The acceleration due to gravity
asked by Julia 
College Algebra
x^35x^2+4x20 > 0 interval notation
asked by Ulises 
math
One plane flies straight east at an altitude of 31,000 feet. A second plane is flying west at an altitude of 13,000 feet on a course that lies directly below that of the first plane and directly above the straight road from Thomasville to Johnsburg. As the
asked by rachel 
math
One plane flies straight east at an altitude of 31,000 feet. A second plane is flying west at an altitude of 13,000 feet on a course that lies directly below that of the first plane and directly above the straight road from Thomasville to Johnsburg. As the
asked by rachel 
math
One plane flies straight east at an altitude of 31,000 feet. A second plane is flying west at an altitude of 13,000 feet on a course that lies directly below that of the first plane and directly above the straight road from Thomasville to Johnsburg. As the
asked by rachel 
math
jill said that an angle is made of two rays.is she corret? explain
asked by aremi 
Math
Trang has a paper for an art project that is 7 inches wide and 9 inches long. She wants to decorate it with a piece of string. How much string would she need to go around the perimeter?
asked by Ryan 
mathURGENT!!!!!!
the lines satisfying the equations x+2y=3 and 3y+ax=2 are perpendicular to each other. find the value of 'a'. please answer and explain how you got, please!!
asked by don 
Physics!!
During the second stage of a rocket launch the rockets upward velocity increases from 980 m/s to 9000 m/s with an average acceleration of 33 m/s*. How long did the acceleration last??
asked by Megan:) 
history
how did the navajo codetalkers aid marines in battle?
asked by raul 
Math
the average of a set of six integers is 38. when a seventh number is included in the set, the average of the set increase to 47. what is the seventh number?
asked by Ladyy 
math
A certain brand of cereal costs $3.25 per box before sales tax is added. When you buy 5 or more boxes of this cereal you receive 1 additional box for free. What is the average cost per box of cereal for 6 boxes before sales tax are added ? Please helpp
asked by Tyler 
Math
At a summer camp, one boy and one girl will be selected to lead the weekly activities. If there are 130 boys and 145 girls at the camp, how many different 2 person combinations of 1 boy and 1 girl are possible?
asked by Nancy 
Math
Math Question: winning time of a marathon is 1 hour, 24 minutes and 11 seconds... How do I find the average speed?
asked by Emmanuel 
math
the average (arithmetic mean) of a and b is 6 and the average of a, b, c is 11. What is the value of c?
asked by Oscar 
History
8. What was the Eisenhower Doctrine? A.) The United States would liberate the countries behind the iron curtain. B.) The United States would use force to help any Middle Eastern nation threatened by communism. *C.) The United States would recognize the
asked by Cassie 
Physics please help!!
A stone is aimed at a cliff of height h with an initial speed of v = 64.0 m/s directed 55.0° above the horizontal, as shown in the Figure below by the arrow. The stone strikes at A, 7.31 s after launching. What is the height of the cliff? What is the
asked by Julia 
Physics please help!!
A basketball player throws the ball at a 38° angle above the horizontal to a hoop which is located a horizontal distance L = 5.6 m from the point of release and at a height h = 0.4 m above it. What is the required speed if the basketball is to reach the
asked by Julia 
finance
You have been living in the house you bought 10 years ago for $300,000. At that time, you took out a loan for 80% of the house at a fixed rate 15year loan at an annual stated rate of 9%. You have just paid off the 120th monthly payment. Interest rates
asked by Anonymous 
Math
On a centimeter dot array, draw all possible rectangles with an area of 16 sq cm and sides whose lengths are whole centimeters. Label the lengths of two adherent sides of each rectangle
asked by Zoey 
history
who was commander of the u.s. troops on bataan?
asked by alex 
PHysics 2
Near San Francisco, where the vertically downward component of the earth's magnetic field is 6.8 x 105 T, a car is traveling forward at 17 m/s. The width of the car is 2.1 m. Find the emf induced between the two sides of the car. If positive charge
asked by PLEASE HELP 
us history
the American contitution is base on which belief?
asked by Katherine 
physical science
How much energy would be needed to warm 1.5 L of water from 25 °C to 50 °C? The specific heat capacity of water is 4186 J/kg/°C.
asked by Josh 
Physics
You are standing at the top of a cliff that has a stair step configuration. There is a vertical drop of 7 m at your feet, then a horizontal shelf of 8 m, then another drop of 3 m to the bottom of the canyon, which has a horizontal floor. You kick a rock,
asked by chris 
7th grade math Ms. Sue please
2. Find the sum of the interior angles of a nonagon. (1 point) 140° 1,620° 1,260° 1,450° 4. Find the measure of each interior angle of a polygon with 12 sides. (1 point) 1,800° 150° 180° 145° 5. Four of the angles of a pentagon measure 85°, 110°,
asked by Delilah 
math
37 is what percent of 144, to the nearest percent? please helpp
asked by Oscar 
social science
what is deepest lake in the world?
asked by Jeconiah 
Physical science
How much energy would be needed to warm 1.5 L of water from 0 °C to 25 °C? The specific heat capacity of water is 4186 J/kg/°C.
asked by Josh 
math
the average of a set of six integers is 38. when a seventh number is included in the set, the average of the set increase to 47. what is the seventh number? helpppp
asked by Oscar 
science
compare the formation processes of igneous, sedimentary and metamorphic rocks. in general which process can be the most direct, requiring the fewest number of steps? which can be the most complex? explain
asked by Madeline 
Science
Sarah heated two cubes of aluminum to 50 degrees celsius. Cube B has a volume of two cubic centimeters. If the cubes do not touch each other, which of these statements is true? A. Cube A has a higher temperature than cube B. B. Cube B has a higher
asked by Sabrina 
math
13 2/9  8 8/9
asked by Joe 
Science
Laith notices that the air in his science classroom is much warmer than the air in his math classroom. Which statement describes how the air particles are different in his colder math classroom? A. They move faster on average B. They are vibrating C. They
asked by Rebecca 
Physics
A shopper stands 0.6 m in front of a diverging mirror of focal length 0.2 m. Where is the image located and what is the magnification?
asked by Layla 
Science
what device in a nuclear power plant creates nuclear energy?
asked by Anonymous 
Math
Turn this improper fraction into a mixed number: 6/5.
asked by Anonymous 
Criminal precedure
Question 11 of 20 5.0 Points Under the Fourth Amendment, which of the following is NOT a valid purpose for setting up a roadblock? A. Immigration law enforcement B. Detecting drunk drivers C. Checking for drivers licenses and registration D. Drug detection
asked by Justin 
math
winnie has 7 trophies she wants to display in arrays. how many different arrays are possible? explain.
asked by sonya 
Science
order from the smallest to the largest: nucleus, molecule, atom, quark.
asked by Anonymous 
Language Arts
Find the antonyms: continual, bizarre, interrupted, conscious.
asked by Anonymous 
precalculus
x^3e^x  4e^x =0
asked by suie 
Science
Laith notices that the air in his science classroom is much warmer than the air in his math classroom. Which statement describes how the air particles are different in his colder math classroom? A. They move faster on average B. They are vibrating C. They
asked by PLEASE I AM IN DESPERATLY NEED OF HELP 
business
describe how a manager would use the criticalincident appraisal method for assessing an employee?
asked by becca 
Math
if a dog is sitting on a porch and 20 meters away a cat is playing. if the dog travels at 4m per second and the cat travels at 2m per second. how many seconds does the cat have before he should be up a tree
asked by Sal 
Physics
The drawing shows six point charges arranged in a rectangle. The value of q is 8.07 μC, and the distance d is 0.430 m. Find the total electric potential at location P, which is at the center of the rectangle.
asked by Jacob 
COmbinatorics
A DNA chain is a string of As, Ts, Gs, and Cs. How many DNA chains are there of length 12 which have the following properties? Choose two of (a), (b), or (c) to submit: (a) Is a palindrome (A palindrome reads the same forwards and backwards, e.g., TAGGAT.)
asked by Carlos 
grammar
Phiilidelphia is located in Pennsylvania. It is located on the Delaware River. (combine the sentences with a phrase)
asked by star 
Chemistry
4.00 mol of solid A was placed in a sealed 1.00L container and allowed to decompose into gaseous B and C. The concentration of B steadily increased until it reached 1.20 M, where it remained constant. A(s) B(g)+C(g) Then, the container volume was doubled
asked by Anon 
Art
1. Frida Kahlo was an artist from this country. (1 point) Germany France Mexico United States 2. This important event happened while Frida Kahlo was growing up. (1 point) Spanish American War Mexican Revolution French Revolution World War II 3. Frida Kahlo
asked by Evan 
physics
water skiers often ride to one side of the center line of a boat, as shown 714. In this case, the ski boat is traveling at 15m/s and the tension in the rope is 80 n. If the boat does 3400 J of work on the skier in 50.3 m, what is the angle (theta) between
asked by woody 
To Evan
Do not use this website to cheat. That's a good way to get yourself on the banned list.
asked by Writeacher 
stats
Relatively speaking, which statistics exam did you do better on? On your first statistics exam you scored a 72 and on the second exam you scored an 89. Hey, you’re improving! Or are you? On the first exam, the class mean was 71 with a standard deviation
asked by kelly 
Physics
The drawing shows six point charges arranged in a rectangle. The value of q is 8.07 μC, and the distance d is 0.430 m. Find the total electric potential at location P, which is at the center of the rectangle.
asked by Jacob 
Math
How to divide4/5 divide 7/8
asked by sam 
math
the unit of $112 in 8 days
asked by samantha 
math
the official size of a NCAA basketball has a circumference of almost 31.4 inches. find the amount of cubic inches of air that the basketball can hold.
asked by bryce 
math
find the unit rate of $122 in 8 days
asked by samantha 
Physics
The drawing shows six point charges arranged in a rectangle. The value of q is 8.07 μC, and the distance d is 0.430 m. Find the total electric potential at location P, which is at the center of the rectangle.
asked by Jacob 
Statistics
Which of the following conditions doesn't need to be met before you can use a twosample procedure? The responses in each group are independent of each other. Each group is considered to be a sample from a distinct population. The same variable is measured
asked by John 
Math
A trapezoid is in the shape of a stage. write a coordinate proof to prove that TR and SF are para
asked by Tina 
Math
Two numbers that have a sum of 28 and a product of 160. What are the two numbers?
asked by Freddie 
7th grade math please help Ms. Sue ASAP
12. Write a sequence of transformations that maps triangle ABC onto triangle A''B''C''. It is a graph, so here are the coordinates: A is 1,8 B is 3,12 C is 4,4 A'' is 3, 3 B'' is 5, 6 C'' is 6, 2 Please help! I have no idea how to write a "sequence of
asked by Delilah 
Algebra
Find the integers from 1 to 144 which are perfect squares and write the square root of each one.
asked by Maddie 
English 9
poem with 14 lines and 10 syllables vent about ONE THING you HATE  I don't know how to do a poem sonnet
asked by Anonymous 
stats
Why must you square the deviation scores when computing a standard deviation using the definitional formula? Why is the computational formula easier to use when computing variance and standard deviation?
asked by kelly 
math
the official size of a NCAA basketball has a circumference of almost 31.4 inches. find the amount of cubic inches of air that the basketball can hold.
asked by bryce 
Math
Water is poured into cuboidal container at the rate of 80liter per min. If the volume of container is 144m^3,find the no. Of hours it takes to fill the reservior.
asked by Simon 
math
what is the input for y = 10 and what is the rule?
asked by Alessia 
stat
Explain why using the t statistic may be an appropriate alternative to using a zscore
asked by Tracy 
Physical Science
I studied this 2 years ago in college and am no back in school. I can't remember any of this stuff and I really need to figure it out. Please Help Me!! The Latent Heat of Vaporization for water is 540. cal/g. How much heat (in calories) must be added to
asked by Jessica 
Physics
A person can jump a maximum horizontal distance (by using a 45 percent projectile angle) of 3 m on Earth. The acceleration of gravity is 9.8 m/s2. What would be his maximum range on the Moon, where the freefall acceleration is g/6 ? Answer in units of m
asked by chris 
Statistics
A telephone company's records indicate that private customers pay on average $17.10 per month for longdistance telephone calls. A random sample of 10 customers' bills during a given month produced a sample mean of $22.10 expended for longdistance calls
asked by John 
Chemistry
How come the formula for potassium peroxide is K2O2; I can't see how you'd get that...
asked by A Canadian 
Chemistry
What mass of iodine contains the same number of atoms as 50.0g of chlorine?
asked by Anonymous 
Math conversion factors
1. Fruit smoothies sold in the month of march at the rate of 136 a day. 2. Fast food meals eaten is a month at a rate of 72 meals in a year. 3. Homework problems solved in 2 hours 30 minutes at a rate of 26 problems an hour.
asked by rachel 
Chemistry
A chemical procedure calls for 3.54mol of dry ice (solid CO2). What mass of CO2 should we add?
asked by Anonymous 
English
Can you please describe a peaceful country by using imagery.
asked by Leyla 
math conversion factors
1. Homework problems solved in 2 hours 30 minutes at a rate of 26 problems an hour.
asked by rachel 
Algebra
5a^2b^210ab^2+25b^2
asked by LaShawn 
physic
Craig launches the basketball at an angle of 65.0 degrees above the horizontal from a height of 2.00m above the floor.He imparts a speed of 9.70 m/s to the ball and leaves his hand a horizontal distance of 7.25 m from the center of the hoop if the hoop is
asked by juliet edmund 
physics
a mass m=8 kg sits on top of an h=1.8 m high table. The angle of the ramp is theta= 35 degrees. What is the length of the ramp.
asked by Lisa 
Physics
The activation energy for the isomerization ol cyclopropane to propene is 274 kJ/mol. By what factor does the rate of this reaction increase as the temperature rises from 256 to 297 oC? (The factor is the ratio of the rates.) A catalyst decreases the
asked by Anonymous 
Calculus
Explain, using the theorems, why the function is continuous at every number in its domain. F(x)= 2x^2x3 / x^2 +9 A) F(x) is a polynomial, so it is continuous at every number in its domain. B) F(x) is a rational function, so it is continuous at every
asked by Maura 
Chemistry
4.00 mol of solid A was placed in a sealed 1.00L container and allowed to decompose into gaseous B and C. The concentration of B steadily increased until it reached 1.20 M, where it remained constant. A(s) B(g)+C(g) Then, the container volume was doubled
asked by Anon 
kctcs
the ball thrown the brick wall bounces directly back with the same speed it had when it struck the wall . has the velocity of the ball change explain ?
asked by sahar 
Chemistry
In which direction will the net reaction proceed X(g)+Y(g)Z(g) Kp=1.00 at 300k for each of these sets of initial conditions? a) [X]=[Y]=[Z]=1.0 m net reaction goes to the left net reaction goes to the right reaction is at equilibrium I chose 3 for a. b)
asked by Anon 
Math page 167 algebra did you hear about...
Hi I need help with this one problem. It's on page 167 algebra with pizzazz. It has to use the addition method. 3x5y=7 5x2y=1
asked by J 
physics
a shot putter put the shoot with an initial velocity of 25m/s at an angle of 32 degree from the horizontal. determine the horizontal and vertical velocity of the shoot
asked by fran 
PHYSICS1
A particle moves along a circular path over a horizontal xy coordinate system, at constant speed. At time t1 = 4.90 s, it is at point (5.30 m, 5.30 m) with velocity (2.20 m/s) and acceleration in the positive x direction. At time t2 = 14.0 s, it has
asked by Bader 
calculus
a shoot putter put the shoot with an initial velocity of 25m/s at an angle of 32 degree from the horizontal. determine the horizontal and vertical velocity of the shoot
asked by fran 
Spanish help please
Did I translate this correct? Tengo cuatro miembros de la familia, además de mí mismo. Mi mamá Denise, mi padre Tom, mi hermano Chris que tiene 14 años y mi hermano pequeño que Brad tiene 11 años. This is what I think it means: I have four family
asked by Anonymous 
social studies
in what ways could the natural barrier of the himalayas have both helped and hurt the cicilization of the indus river valley
asked by jojo 
math
2/3,of,33
asked by Anonymous 
math
Can someone please show me how to estimate mixed numbers. An exsample like 6 and two thrids times 4 and one fifth. Also estimate by rounding to 0, 1/2, or 1. Exsample...5/8x9/10. I would appreciate any help I am in the 6th grade and me and math are not
asked by Mackenzie 
Accounting
The business was started on April 1st. I have the following events that happened: what accounts should I debit and credit? 1. Incurred advertising expense of $1,907 on account. 2. Hired park manager at a salary of $3,783 per month, effective May 1. 3. Sold
asked by Jacob 
history
island that became romes northwester frontier
asked by Anonymous 
Chemistry
One medium bran muffin connateness 4.2 g of fiber. How many ounces of fiber are obtained by eating three medium bran muffins? I need help understanding the conversion factor process
asked by Raegan 
Math
Kira has 16 red beads, and she has 8 fewer yellow beads than red beads. kira also has 7 more green beads than red beads. How many does Kira have in all?
asked by Lai 
science
The compound 1iodododecane is a nonvolatile liquid with a densityof . Thedensity of mercury is.What doyou predict for the height of a barometer column based on1iodododecane, when the atmospheric pressureis 748 ? answer in meters
asked by Roxie