Questions Asked on
October 29, 2009

physics
A boy reaches out of a window and tosses a ball straight up with a speed of 10 m/s. The ball is 20 m above the ground as he releases it. Use energy to find The ball's speed as it passes the window on its way down and speed of impact on the ground.
asked by Anonymous 
Physics
While fishing, you get bored and start to swing a sinker weight around in a circle below you on a 0.25m piece of fishing line. The weight makes a complete circle every 0.50 sec. What is the angle that the fishing line makes with the vertical?
asked by Sam Line 
Chemistry
A particular metallic element, M, has a heat capacity of 0.36 J*g*K, and it forms an oxide that contains 2.90 grams of M per gram of oxygen. (a) Using the law of Dulong and Petit (Cp x M = 25 J*mol*K), estimate the molar mass of the metal M [Answer: _____
asked by . 
chemistry
How would you find the empirical formula for this... a substance was found by analysis to contain 20% by mass calcium and 80% by mass bromine. Would it be CaBr2? This is what I did... 50g Ca * 20 mol Ca/801.56g Ca = .499 mol Ca 80g Br * 80 mol Br/6392.32g
asked by Jamie Marie 
Chemistry
Convert the following into a balanced equation: Liquid disilicon hexachloride reacts with water to form solid silicon dioxide, hydrogen chloride gas, and hydrogen gas.
asked by Anonymous 
Chemistry
Not every molecule with polar bonds is polar. Explain this statement. Use CCl©þ as an example.
asked by Minny 
Chemistry
A selenium atom (Se) would form its most stable ion by the 1. loss of 2 electrons. 2. gain of 1 electron. 3. loss of 1 electron. 4. loss of 7 electrons. 5. gain of 2 electrons. Help please and tell me how you got the answer. Thanks!
asked by Randy 
Geometry
Suppose both pairs of opposite sides of a quadrilateral are parallel. Which angles of the quadrilateral must be supplementary? I do not understand what this question is asking and how I should answer. Please help if you can!
asked by Faith 
AP Physics
your doctor's scale has arms on which weights slide to counter your weight. these weights are much lighter than you are. explain how this works. does this relate to stress/strain?
asked by clay 
math
Find the volume of the solid formed by rotating the region enclosed by y=e^4x+3 y=0 x=0 x=0.7 this is my work V = ∫ e^4x dx {between x=0 and x=0.7} = 1/4 e^4x {between x=0 and x=0.7} = 1/4 (e^2.8  e^0) = 1/4 (e^2.8  1) however i am etting the wrong
asked by sonia 
less cliche way to say best of both worlds
what is a less cliche way to say best of both worlds? Im writing for my college applications
asked by Ryan 
Physics
A pilot of mass 65 kg in a jet aircraft makes a complete vertical circle in midair. The vertical circle has a radius of 1.70 km at a constant speed of 215 m/s. Determine the force of the seat on the pilot at (a) the bottom of the loop and (b) the top of
asked by Rachel 
chemistry
1. The bombardier beetle uses an explosive discharge as a defensive measure. The chemical reaction involved is the oxidation of hydroquinone by hydrogen peroxide to produce quinine and water: C6H4(OH)2 (aq) + H2O2 (aq) �� C6H4O2 (aq) +
asked by Mahir 
english
1. Which of the following statements about Saadi's sayings is not true? A) They offer practical advice. B) They use simple language. C) They were composed in a time of chaos. D) They were written for other mystics. 2.What is a rubáiyát? A) a Chinese poem
asked by TIffany 
Literature
19. Authors use 5 methods of indirect characterization: speech, appearance, private thoughts, actions, and descriptions of how other characters feel about the character. They also use direct characterization, expressly describing what a character is like.
asked by mysterychicken 
AP Physics  Equilibrium
Describe several situations in which an object is not in equilibrium even though the net force on it is zero. I can't think of a single one. I can think of the opposite (equilibrium with net force not being zero) but I don't get it the other way around.
asked by henry 
science/physics
A fisherman yanks a fish out of the water with an acceleration of 4.5m/s2 using very light fishing line that has a ''test'' value of 100N. The fisherman unfortunately loses the fish as the line snaps. What can you say about the mass of the fish? (please
asked by shani 
chemistry
How would you find the empirical formula for this... a substance was found by analysis to contain 20% by mass calcium and 80% by mass bromine. Would it be CaBr2? This is what I did... 20g Ca * 20 mol Ca/801.56g Ca = .499 mol Ca 80g Br * 80 mol Br/6392.32g
asked by Jamie Marie 
calculus
Gravel is being dumped from a conveyor belt at a rate of 10 cubic feet per minute. It forms a pile in the shape of a right circular cone whose base diameter and height are always equal to each other. How fast is the height of the pile increasing when the
asked by Ash 
cooking class
i need help unscrambling this word yos its levabira and the second word is power heres da descrpition that came with it a feature which enables a microwave oven to be used for thawing, slow cooking, roasting, baking, and many other purposes. need a answer
asked by alexander aubin 
spanish
En la 11. ___________ te llamé. De la oscuridad me llamaste. Reconocí tu 12. ___________. Reconociste la mia. “Vente para acá,” 13. ___________. Tape 4, Side B ExaminationRespondiste: “¿Dónde estás, papá? No te 14. ___________ .” “ 15.
asked by bre 
physic
Hi! could you help me to start this problem becuase I had try so many time and did not get it right at all please. Thank you so much. A rifle with a weight of 20 N fires a 4.0 g bullet with a speed of 260 m/s. (a) Find the recoil speed of the rifle. (b) If
asked by Chan 
chemistry
A 2.000g sample of magnesium was burned in air to form an oxide. After the product was purified it was found to have a mass of 3.317g. What is the empirical formula for the product? I know how to find a empirical formula, I just don't understand what
asked by Tatiana 
Math
Suppose that a given quadrilateral is a kite with no right angles. Which of the following is possible? A) The quadrilateral is a trapezoid. B) The quadrilateral is a rhombus. C) The quadrilateral has congruent diagonals. D) None of the above
asked by Becca 
Physics
An 825kg race car can drive around an unbanked turn at a maximum speed of 59 m/s without slipping. The turn has a radius of curvature of 135 m. Air flowing over the car's wing exerts a downwardpointing force (called the downforce) of 2700 N on the car.
asked by Nikki 
calculus
When air expands adiabatically (without gaining or losing heat), its pressure and volume are related by the equation PV^1,4=C where C is a constant. Suppose that a a certain instant the volume is 520 cubic centimeters and the pressure is 99kPa and is
asked by Ash 
calculus
A particle is moving along the curve y= 3sqrt3x+1. As the particle passes through the point (5,12), its xcoordinate increases at a rate of 3 units per second. Find the rate of change of the distance from the particle to the origin at this instant.
asked by bre 
Physics
The moment of inertia of an object depends on the shape of the object, location and orientation of the axis of rotation. For a solid disk, when the disk is rotating about an axis that is perpendicular to the disk and passing through the center of the disk,
asked by Ellie 
Math
A musician plans to perform 4 selections. In how many ways can she arrange the musical selections
asked by Becca 
calculus
Air is being pumped into a spherical balloon so that its volume increases at a rate of 80cm^3/s. How fast is the surface area of the balloon increasing when its radius is 7cm?
asked by Ash 
Economics
When comparing firms within a industry, economists often use the productivity as a measure. Discuss the differences and properties of various productivity measures such as average productivity, marginal productivity, and etc. Give some realworld examples
asked by toni 
math
Two corresponding sides of similar polygons are in the ratio of 8:7. If the area of the smaller figure is 512 square meters, what is the area of the larger figure? A) 3584 m B) 134,217,728 m C) 392 m D) Not enough information given
asked by jeng 
Math
A small farm field is a square measuring 230 ft on a side. What is the perimeter of the field? If you double the length of each side of the field, what is the new perimeter?
asked by Becca 
chemistry
26 protons and 24 electrons. write the symbol of ions
asked by ash 
Environmental Science
In a measurement of precipitation (rainfall), a raingauge with an orifice (collector) area of 30.50 in2 collects 1.30 litres of water over a period of 26 minutes and 45 seconds. Calculate: a. The depth (amount) of rain that fell (in mm). b. The intensity
asked by Please Help 
economics
A local cable company, the sole provider of cable television service, is regulated by the municipal government. The owner of the company claims that she is normally opposed to regulation by government, but asserts that regulation is necessary because local
asked by Anonymous 
physics
Object A, which has mass m and a velocity Voi,collides with the Object B,which has mass 2m and a velocity 1/2Voj.Following the collision ,object B has a velocity of 1/4Voi.(a) Determine the velocity of object A after the collision.(b) Is the collision
asked by Randy 
CHEMISTRY
if i perform this reaction with 25 grams of iron III phosphate and an excess of sodium sulfate, how many grams of iron III sulfate can i make
asked by EBONY 
MICROECON  Perfect Competition
**Please check and correct my answers! Thank you. There is free entry into the textile industry. Anybody can enter this industry and have the same Ushaped average cost curve as all of the other firms in the industry. a) Suppose the government imposes a $5
asked by Anonymous 
math
A small can of juice contains 16 fl oz. A large can has twice the base circumference of the first. How much juice is in the large can if both cans are right circular cylinders and the second can is similar to the first? A) 32 fl oz B) 64 fl oz C) 128 fl oz
asked by jeng 
Statistics
The Internal Revenue Service is studying contributions to charity. The mean calculated from a random sample of 36 returns is $150. Assume that the population standard deviation is known and equal to $20. Construct a 98 percent confidence interval for the
asked by Joshua 
Math
A tourist in France wants to visit 10 different cities. How many different routes are possible?
asked by Becca 
math
I need to but exactly 100 farm animals I have $100. sheep cost $0.50, cattel cost $1 and hourses cost $10. i must spend all of the $100 dollors pls explain.
asked by jakeo 
us history
i need some info about the relationships between the u.s and china how they have changed since ww1 and what the present relationships are
asked by connor 
math
If f(x)=5cos(2ln(x)), find f'(x). My answer is (5sinx)(2lnx)+(5cosx)(1/x) I just did the product rule can you verify if this is correct please!
asked by aman 
Physics College
Experiment in this week (week 8) is to study rotational dynamics. Consider a stainless steel annular disk with an outer radius 63 mm and inner radius 7.4 mm. The mass of the disk is 1340 grams. Keep your answers to at least 4 significant digits. (a) What
asked by Jessica 
math
An aluminum cylindrical juice can has a height of 4 in. and a radius of 6 in. How many square inches of aluminum are needed to make the can?
asked by jeng 
com220
ambultory care medical advancements and increasing costs, many health care service or procedure have moved frominpatient hospital setting to outpatient ambulatory care setting. what are main purpose of ambulatory care?do yoy think ambulatory care will
asked by cindy 
chemistry
How would you find the empirical formula for this... a substance was found by analysis to contain 20% by mass calcium and 80% by mass bromine.
asked by Jamie Marie 
Help on Vectors & Geometry
(a) Given that A= 3i  j + 2k and B=2i + 3j  k find A x B (b) if A= i + j, B= 2i  3j + k and C= 4j  3k find (i) (AxB)x C (ii) Ax(BxC)
asked by Wellness 
human geography
how can i define human geography,and 3 examples of how human geography affect people around the world,3 types of communities thanks
asked by Racheal 
calculus
write the expression in the form bi, where b is the real number squareroot16 squareroot25 squareroot3 squareroot5
asked by tommy 
English
1. We are living in a world which is full of wonderful things. 2. We are living in the world which is full of wonderful things. (In the sentence, do we have to use 'a world' or 'the world?' What is the difference between them? Do we have to use 'a world'
asked by rfvv 
math
A spherical tree ornament is to be painted in bright colors. If the ornament has a diameter of 4 cm, how much paint is needed
asked by Brandi 
Trig
Determine the quadrant in which each lies: sec0
asked by Jennifer 
calculus
At noon, ship A is 30 nautical miles due west of ship B. Ship A is sailing west at 17 knots and ship B is sailing north at 23 knots. How fast (in knots) is the distance between the ships changing at 3 PM?
asked by Ash 
literature
what is the sonnet form for John Donne? To my mistess going to bed. Can someone explain what is conceit in this poem?
asked by no name 
physics
To keep homerun records and distances consistent from year to year, organized baseball randomly checks the coefficient of restitution between new baseball and wooden surface similar to that of of an average bat. Suppose you are in charge of making sure
asked by Ryan 
calculus
how would i find the deriviative of y= x^ ( square root of 2)
asked by alison 
5th grade math
A company spent $100.80 to purchase flyers for their grand opening. The flyers cost between $0.50 and $0.70 each. The price was a multiple of $0.05. The company paid the same amount for each flyer. How many flyers did the company buy? How much did each
asked by Please Please Help 
Communication Studies
Consider the issue and implications of intentional news media bias. Why are a large segment of the American news media audience either unable or unwilling to be better critical media consumers?
asked by Carmin 
spanish
USING SER + DE HOW DO I MAKE A SENTENCE USING THEM WITH LINA Y MARIA / COLOMBIA
asked by BARBARA 
business
Select a management function (planning, directing and motivating, or controlling) and explain how that function relates to business as a whole. Next, select a different function listed by a classmate. Discuss with your classmate how the functions you each
asked by Anonymous 
payroll accounting
I need the final project in payroll accounting AC 122 02 AU
asked by jasmin 
math
A water delivery truck with a cylindrical tank measuring 8 ft in diameter and 8 ft long dispenses water to drought victims in cartons measuring 6 in. × 6 in. × 12 in. How many victims will get a full container of water?
asked by Brandi 
Math
I just do not understandthe concept of this can some one make it more simple for me to understand? Remove parenthesis and simpilfy its not just this one its the whole understanding thing. 8p+5q9(8p8q+9r) I got 72+67q81r
asked by Katrina 
math
Use Eulerʹs formula to answer the question. A polyhedron has 36 edges and 21 faces. How many vertices does it have?
asked by jeng 
Physics Gr11 Sound Waves
At a concert, would the speed of sound be different for different frequencies? Why or why not?
asked by JOC 
chemistry
If the KmnO4 of the last problem is in 30.30mL of solution what is the molarity (M) of the KMnO4 solution?
asked by Anonymous 
math
Determine if the given regular figures form semiregular tessellations. #12) Triangle, decagon, 15gon
asked by Brandi 
math
The shorter leg of a 30°–60°–90° triangle is 10. What are the lengths of the longer leg and the hypotenuse, to the nearest tenth?
asked by marie 
Physics
Does blue light or orange light have a larger index of refraction? Blue light is bent more by a prism than orange light. Does blue light or orange light have a larger index of refraction in glass? A. Blue B. Orange If you know the answer to this, could you
asked by Jeff 
american history
Discuss the role of northern capital in the development of the New South. How did the rise of industry affect the lives of rural Southerners? Analyze these changes from the point of view of African Americans.
asked by alex 
Math
At the first tricity meeting, there are 8 people from town A, 7 people from town B, and 5 people from town C. If a council consisting of 5 people is randomly selected, find the probability that 3 are from town A and 2 are from town B.
asked by Becca 
Environmental Science
Take the greatest care with your significant digits. If you don¡¦t, this question is not ¡§doable¡¨. Llyn y Gweision (a Welsh lake) has a surface area of 10 km2. It is fed by two rivers: the Afon Chwefru and the Nant Aeron. The Chwefru has a
asked by Please Help 
calculus
If 5x^2+3x+xy=2 andy=12, find y'(2) by implicit differentiation.
asked by Fran 
calculus
Use implicit differentiation to find the slope of the tangent line to the curve (y/x+8y)=x^8 +9 at the point (1,10/79).
asked by Jenny 
math
can somebody show me how to do this? at what point on the graph of y= 3^x +1 is the tangent line parallel to the line y= 5x 1 ?
asked by carolina 
Extra Information
Hi, I want to know how important a meeting is between 2 leaders. I know that it is very important, but I want to know in detail. Thank you in advance.
asked by Anonymous 
4th grade
it wants me to make a circle graph with this Favorite Subject math 50 sience 20 reading 30 but i do not know the answer
asked by christian 
3 grade
How many more states are there that border the Great Lakes than there are Great Lakes? List each state and each Great Lake.
asked by Thanh 
algebra 2
Simplify the rational expression. numerator 3 x to the 2 power plus x negative 10 divided by denominator 3 x to the 2 power negative 2x negative 5
asked by SaRa 
trig
Express each value as a trigonomic function of an angle in quadrant I: Cot(660)
asked by sarah 
Calculus
f(t)= 2te^t^2, [0,5] Find average value. Attempt: I know that the average value is the integration of f(t) from a to b divided by ba. I used u substitution to get u= t^2 and du= 2xdx. I changed the limits of integration to [0,25] and I got integral of
asked by Alex 
algebra2
What is the slope of the line passing through the points (3, 24) and (10, 41)? Round to the nearest integer if necessary.
asked by tttom 
Math
What is the greatest common factor for 28 and 24?
asked by Momo 
English
This topic is deleting satistical data and examples. original material Water is an important part of the earth.In fact, water is the reason human beings live on the planet.Water is everywhere.It is in the atmosphere, the air that people breathe. it is in
asked by Taletha 
spanish
En la 11. ___________ te llamé. De la oscuridad me llamaste.
asked by bre 
math URGENT
okay i need to find the domain and range of this z(x) = ãx^2  100 (everything is in the square root) so i think i found the domain i got [10,10] but i don't know about the range i solved for x and got stuck here x=ãy^2 + 100 helppp pleaseee :)
asked by lyne 
math
The areas of the faces of a rectangular box are 48 m2, 96 m2, and 288 m2. A second box is cubical and each of its faces has area 16 m2. Find the ratio of the volume of the first box to the volume of the second box. A) 18 : 1 B) 12 : 1 C) 324 : 1 D) 16 : 1
asked by jeng 
11th grade
After the Bolsheviks took control of Russia, what did they do to get out of the war?
asked by Breanna Cummins 
2nd grade
what solids and liquids used i house
asked by sammy 
Technology
ok..so i have these labs in technology. and i'm on the first one. here's how it goes: ACTIVITY 1ADESIGN PROBLEM Background: Technology is the application of knowledge to create machines, materials, or systems to help us make work esasiers, to make life
asked by y912f 
pre calc
list the positive ientegers between 3 and 7 list the integers between 3 and 7.
asked by kate 
physics
To keep homerun records and distances consistent from year to year, organized baseball randomly checks the coefficient of restitution between new baseball and wooden surface similar to that of of an average bat. Suppose you are in charge of making sure
asked by Ryan 
Literature
Can someone please help with this? I have to give an example of an internal foe that General Zaroff, from the short story The Most Dangerous Game and Nat Hocken, from the short story The Birds face and how they resolved their conflict. I can think of
asked by mysterychicken 
pre calc
use the quadratic formula to solve for x. x^2+2x+50
asked by kate 
American Business History
Write a 23 page essay analyzing the Jonathan Prude essay you read in this unit and address the following questions: How do our modern day conceptions of what a factory is or what industrialization is affect our interpretation of historical
asked by marcis 
Trigonometry
State the amplitude of the following functions: a) y = cos theta b) y = 1/2cos theta c) y = 2cos theta
asked by Brittany 
math
If 7% of people are sick with flu. 80% are sick with regular flu, and 20% with H1N1. How much less would the 7% be with out including the 20% with H1N1.
asked by James S. 
Math
Choose the word "rectangle," "square," or "rhombus" to fill in the blank and make the statement true. (If none of the words can be used, then write "none.") A parallelogram is a __________ if and only if its diagonals are perpendicular bisectors of each
asked by Becca 
writing
Jim is to James as Betsy is to______________
asked by George 
math
differentiate from first principles 2x^3 5 (f(x+h)f(x))/h i know what it should be but i keep going wrong somewhere thanks
asked by amelia 
pre calc
find the equation of a circle with. Center (0,0), radius 2
asked by kim 
Environmental Helpp!
Why would a 1 L bottle of water cost $1.50 whereas 1 L of gasoline currently costs about 90 cents? Discuss our current consumption of bottled water with specific emphasis on its relatively cleanliness compared to tap water, where the water comes from, how
asked by Please Help 
4th grade
what are two numbers that have the quotient of 2 and the sum of 14
asked by nuthing 
calc
integral of 1 to e^4 dx/x(1+lnx) 1+lnx = a => dx/x = da dx/ x(1+lnx) = da/a int of da/a = In(a) =>int of dx/ x(1+lnx) = In(1+In(x)) + C from 1 to e^4 for int of dx/ x(1+lnx) = In(1+In(1))  In(1+In(e^4)) In(1+In(1))  In(1+In(e^4)) = In(5) =~ 1.60944 I
asked by angela s 
Geometry & Vectors
find an equation for the plane passing through the points Pi(3,12), Pii(1,2,4) and Piii(2,1,1)
asked by Beta plus 
Economics
How does inflation influence the terms of trade?
asked by Lee 
math
Afarmer must purchase 100 animals. He must spend exactly $100. He must have at least one of each animals. Sheep cost $.50, cattle cost $1.00 and horses cost $10
asked by amanda 
PreCalculus
Sales of ski equipment varies through the year from highs in January & December of $20 million, to a low in June of $2 million. Write a trigonometric function that describes this cycle. Calculate the expected sales for April. I think I got the first part:
asked by Natalie 
criminology
A local radio station has asked you to participate in an expert panel discussion regarding the role of media in political and terrorism related crimes. Specifically, you have been invited to speak on how the media and modern means of sharing information
asked by wayne 
10th grade English
This is my short story essay. I've put some conversations now and then so please take that into account. I would really appreciate if you could fix any mistakes, awkward phrases or even how to make this essay a better writing. Thank You ¡®Honk! Honk!
asked by Andy 
Algebra 2
Simplify the rational expression. Simplify the rational expression. numerator 4 x to the 2 power negative 16 divided by denominator x to the 2 power negative x negative 6
asked by SaRa 
writing functions
Identify the writing type or function being discussed: I’ve been assigned to write a paper that describes my favorite place. My teacher wants us to use rich detail and focus only on description. I think I know exactly the place to describe!
asked by sarah 
physics
A big brass lantern hangs from three chains as shown below. The chain C1 is at an angle of 50.0 deg below the horizontal, while the chain C2 makes an angle of 60.0 deg with the vertical. These two chains join at knot K and the lantern hangs from the
asked by Ryan 
PreClc Calendar
A bug lives on a corner of a cube and is only allowed to travel on the edges of the cube. In how many ways can the bug visiteach of the other seven corners once, and only once, returning to its home corner only at the end of the trip?
asked by Ryan 
math
hi, i am in forth grade i need to know what factors means. now for my home work. can you please respond and in a way i can under stand.
asked by paige 
LITERATURE
In the poem by John Donne, To His Mistress Going to Bed. Is the speaker imaging the young lady undressing or is she really undressing in front of him.
asked by NO NAME 
LITERATURE
The poem written by John Donne, is the sonnet form in this poem, (aa,bb,cc,dd,ee,ff,gg,hh,ii...etc.
asked by NO NAME 
French
Hi there, could you please see if I have translated the french correctly into english. I was having a bit of trouble. 1.) I think schools should continue to invest money into these programs for the students because through group and team play, students can
asked by Anonymus 
CRT
Identify at least two arguments in the article. Outline the premises and conclusions of each argument you find. Then, answer the following questions for each argument, making sure to explain how you arrived at your answers. o Do the premises sufficiently
asked by Gail 
math
Which would be the better buy, a gallon of milk for $3.25 or a 3liter container of milk for $3? Explain your reasoning.
asked by jeng 
Geograghy
What are some human featers of Niagara falls canada.
asked by Em 
Math
I just do not understandthe concept of this can some one make it more simple for me to understand? Remove parenthesis and simpilfy its not just this one its the whole understanding thing. 8p+5q9(8p8q+9r) I got 72+67q81r
asked by Katrina 
Math
How do you put the numbers 1 to 12 in 12 boxes in the shape of a square so that the numbers along each side add to 26?
asked by Kristi 
Technology
i'm really not sure about this quesstion. can someone pleeease help me : 1. Using a set of automatic, programmable machines to produce a lowvolume of a particular product is known as a. primary processing b. secondary processing c. flexible manufacturing
asked by y912f 
math
ian multiplied a number by 5. he then multiplied that product by 2. what digit is in the ones place of the final product?
asked by rehani 
American National Government
Can someone please help with this question? It has three parts to the question. 1.Is it easy or difficult to pass a bill? 2. What are some advantages of passing legislation quickly? 3. What are some disadvantages of passing legilation quickly? I have an
asked by B.B. 
Economics
How does inflation influence the terms of trade?
asked by Lee 
Economics
How does inflation influence the terms of trade?
asked by Lee 
Economics
How does inflation influence the terms of trade?
asked by Lee 
Math
I have to factor this equation, which is a perfect square: 2p^2+4p+1 How do I do this?
asked by Anya 
physics
Object A, which has a mass m and a velocity Vo(i,) ̂ collides with object B, which has a mass 2m and velocity 1/2Vo(j.) ̂ Following the collision ,object B has a velocity of 1/4Vo(i.) ̂(a)Determine the velocity of object A after the collision.(b) Is the
asked by Randy 
6th grade math
how do you estimate a product when multiplying fractions?
asked by laura roman 
math
If you begin with a right triangle with sides a, b, and c and decrease the right angle so it is an acute angle, how does a2+b2compare with c2 Answer this question for the situation where you increase the right angle so that it is obtuse.
asked by marie 
Physics
what is the distance if its velocity is 10m/s and the time is 10 seconds
asked by KiKi 
Macroeconomic
1 An example of an economic aggregate is 2 A business cycle is 3 The topics studdied in acroeconomics include 4 A price ceiling will have no effect if 5 Secular long run growth is 6 The human Development index is
asked by jasmin 
HealthReimbursment Methologies
Under Major Medical Insurance, $250.00 Must Be Paid Before The Company Assumes Liability. Who Is Responsible For Paying The $250.00? I think is The A. policyholder. Is this correct. Or B. The insurer. C. The provider. D. The thirdparty payer? Thx.
asked by Kim 
Statistics
A large bank believes that onethird of its checking customers have used at least one of the bank's other services during the past year. How large a sample is required to estimate the actual proportion within a range of plus and minus 0.04? Use the 98
asked by Tommy 
Statistics
A recent study was designed to compare smoking habits of young women with those of young men. A random sample of 150 women revealed that 45 smoked. A random sample of 100 men indicated that 25 smoked. At the 0.05 significance level does the evidence show
asked by Brenna 
math
5/2 x + 1/4 x = 11/4 +x how to solve this? I get 11/4=11/4+x what steps do I have to take after that.. I would appreciate it if you showed me how to solve the whole equation! (: thnx
asked by please help (: 
com130
identify two ethical principles that should guide technical communications. Explain each of the principles you chose and provide an example of why each is important.
asked by Anonymous 
Business
you have been put on the employment screening committe for an allmale law firm. There are two finalists being considered for the position a man a woman.They are equally qualified. What guidelines do you think your committe should follow in selecting the
asked by Pauline 
geography
what states would you pass through if you wanted to travel by car from texas to California using the shortest route?
asked by lola 
To Kill a Mockingbird
What are some imagery used in To Kill a Mockingbird? Any examples? Thank you.
asked by Sara 
Trig
I need help with these kind of problems! Can someone tell me how to work this problem out? Given tan0=2 square root of 5 over 4, and sin0
asked by Jennifer 
math
find the number of degrees in the point angle of a 92 star polygon
asked by Anonymous 
Math
Find the slope of the line through the given points. (4, 8) and (5, 8)
asked by Becca 
college
Whenever Congress has a perceived need for ongoing control of an economic activity, it has tended to creat a: a. regulatory agency b. cabinet department c. presidential commission d. government corporation
asked by Lee 
Algebra
How come x: 1,0,1,2,3,4 y:2,1,2,1,2,6 does not have an inverse? I don't see why you just can't flip the x and y values (for example X:2, y:1) and have that be the inverse. Could you explain?
asked by Molli 
algebra
solve by substitution, 9x+2y=64
asked by sonia 
Biology
Why do some cells have a higher concentration of mitchondria in a eukaryotic organism/ What are some examples of these cells? Thanks In Advance
asked by Tiny 
military history
what is the name of the Marine special forces
asked by jean 
science
how far will a stone travel if its thrown off a 78.4 meter cliff at 5 meters per second
asked by jareth 
Literature I
The Dove by Ewan McColl Well the dove she's a pretty bird, and she sings as she flies She brings us glad tidings and she tells us no lies Well she flies in the mountains and the valley so low And if you live peaceful then she never will go Come all you
asked by Jane 
calculus
find dy/dx x=sin y
asked by Justin 
Grammar and Composition
I need someone to complete this checklist for me for my essay: Descriptive Essay Checklist Paragraph #1 (Introduction) ___1. Did you use an attentiongetting device to make the beginning more interesting? ___2. Do you have a thesis statement that contains
asked by y912f 
MATH
IF MY FRIEND CHOOSE A NUMBER AND THEN USED A RULE TO MAKE A NEW NUMBER HE DID THIS 7 TIMES USING THE SAME RULE THE TABLE BELOW SHOWS HIS RESULTS WHAT RULE COULD HAROLD HAD USED EXPLAIN INPUT OUTPUT 28 6 12 3 9 10 16
asked by TATYANA 
geometry
How many liters are contained in a cube with each edge 1 m? a. 0.01 b. 10 c. 100 d. 1,000
asked by Aleah 
geometry
The perimeter of a square is 12 in. What is the area of the square?
asked by Aleah 
social stuudies
who is Margaret Mitchell, and what is her connection to the civil war era?
asked by lilly 
Statistics
how do you find equation of the leastsquared line (line of best fit) from 2vars stats and the correlation?
asked by Bob 
Vectors & Geometry
Let A= Ai I + A2 J + A3 K and B= Bi I + B2 J + B3 K, prove that A.B = AiBi + A2B2 + A3B3
asked by Beta plus 
Science
Why is it cooler at the earth survice on cloudy days?
asked by Bribri 
Calculus BC
Can someone help me differentiate this? f(x)= 2cos(5 ln(x)) So what is f'(x)?
asked by Karen 
5th grade math
A company spent $100.80 to purchcase flyers for their grand opening. The flyers cost between $0.50 and $0.70 each. The price was a multiple of $0.05. The company paid the same amount for each flyer. 5. How many flyers did the company buy? 6. How much did
asked by Please Help 
albebra
c=2*3.14sqare root
asked by joe 
computer
If you want to multiply the contents of each of the cells in column C by the tax rate that appears in cell A24, use a/an A. relative cell reference. C. filter. B. absolute cell reference. D. 3D cell reference.
asked by eleni 
English
Hi we had to write a poem for english class, i was wondering if mine was any good? I also was wondering if the last two lines sounded ok i wasn't sure. Fighting is a major part of the world today Which makes others just want to stay away Stressing the
asked by Jake 
algebra II
write the sum or difference in the standard form a+bi (23i)+(6+5i) (squareroot53i)+(2+squareroot9)
asked by tim 
economics
(A) “Market demand for wheat is relatively stable over time but market supply of wheat is very much influenced by the weather. For example, a natural drought decreases the supply of wheat and pushes up its prices while a bumper crop can severely depress
asked by Yasser 
Human Services
What is the name of a nationally based domestic violence safe house?
asked by Linda 
math
how do i solve this problem? find an equation for a line that is tangent to the graph of y=e^x and goes through the origin.
asked by jayla 
ACCOUNTNG
Many hightechnology companies, like Nortel Networks,Micron Technology and JDS Uniphase, have written down massice amounts of their inventory. For example, Nortel Networks revalued some of its inventory parts at $0, though the inventory intially cost
asked by LESHIA 
math213
Say you have 12 books, but room to display only 7. I will open this to everyone  how many differnt arrangements are there if the order of the books matters (permutation) and how many if order is of no consequence (combination)?
asked by brina 
Social Studies
When did the roman empire start?
asked by Pete 
algebra 2
Simplify the rational expression. numerator 3x negative 21 divided by denominator 49 negative x to the 2 power
asked by SaRa 
algebra 2
Divide as indicated. numerator 4 x to the 5 power divided by denominator 9 y to the 4 power divided by denominator numerator 2 x to the 2 power divided by denominator 9 y to the 2 power
asked by SaRa 
algebra 2
Multiply and simplify as indicated. numerator x divided by denominator x to the 2 power negative 2x times numerator 27x negative 54 divided by denominator 15x
asked by SaRa 
algebra 2
Find the LCD for the following pairs of rational expressions. numerator 8 divided by denominator x negative 13 and numerator 7 divided by denominator x plus 15
asked by SaRa