Friday

November 28, 2014

November 28, 2014

Number of results: 4,661

**Algebra**

When you're breaking down the square root in the quadratic formula into several parts- say it was the originally the square root of 80 so you break it down to square root of 4 and square root of 20-would the results be added or multiplyed? Because I know when you further break...
*October 5, 2009 by Peter*

**Math**

Jocelyn made a spinner If Jocelyn spins only one time what is the probability that the arrow will not land on a red section of the spinner? 3 parts are red 4 parts are blue 1 part is white A.1/8 B.5/8 C.3/8 D.1/2 B Palmer participated in sports for 8 hours and drama for 5 ...
*April 16, 2013 by Jerald*

**ms.sue and SraJMcGin**

it isnt showing what you said. i put in the search engine education programs in wiscon sin for high school drop outs
*May 31, 2009 by scooby91320002*

**Physics**

A racing car with mass (including the driver) of 900 kg accelerates from rest to a speed of 200 km/hr in 6 seconds. what is the power output of the engine?
*September 4, 2012 by Ftin*

**math **

Find the number of decibels for the power of the sound given. Round to the nearest decibel. A rocket engine, 2.33 10−5watts/cm2
*June 5, 2013 by tekeria*

**math**

Find the number of decibels for the power of the sound given. Round to the nearest decibel.A rocket engine, 2.42 * 10^−5 watts/cm2
*November 11, 2013 by Anonymous*

**Maths**

Find the number of decibels of sound produced by a jet engine at a distance of 50 metres if the intensity is 10 watts per square metre.
*February 15, 2014 by Donna*

**U.S. History**

Which invention was the basis for the major developments in American transportation? a.steam engine ** b.wagon axle c.canal lock d. gold spike
*February 17, 2014 by Anonymous*

**Statistics Behavior Science**

Suppose you were in charge of advertising for an automotive dealership when the gas prices increased to $4 per gallon. Most of your cars are fuel-efficient, but you have two models that have extremely poor fuel economy, that is, a low number of miles per gallon. How would you ...
*February 19, 2012 by Ariah*

**Physics**

A car of mass 1200kg starts from rest, accelerates uniformly to a speed of 4.0 meters per second in 2.0 seconds and continues moving at this constant speed in a horizontal straight line for an additional 10 seconds. the brakes are then applied and the car is brought to rest in...
*December 4, 2012 by Ken*

**Definite integral by parts (correction)**

Hello, I just wanted to verify if my work was good. Calculate the following integral by parts: ∫ upper limit is 1/5 and lower limit is 1/10. of 10sin^-1 (5x)dx so first I named the variables: u = 10 sin^-1 (5x) du = 50 / sqr(1-25x^2) dv = dx v = x so we get: = 10 sin^-1...
*September 5, 2012 by Robert*

**Personification**

Think of two things that can have human body parts substituted for their own. What parts does a clock have that a human body has? Now use the objects you though of in a line of poetry. The face of Big Ben watches over the city of London. Big Ben's hands showed that it was ...
*January 15, 2009 by Larry*

**Technology**

i'm not really sure about this answer, because i didn't find it in my book. i think i'm correct. please check: 10. A wrench uses the principle of a(n)__________ in its operation. a. lever b. inclined plane c. pulley d. wheel and axle B?
*October 27, 2009 by y912f*

**Math**

Given P (x) = x-1/ 2x-3, Find P (-2) The notation P(-2) for your given P(x) means that wherever you see an x, replace it with -2, then evaluate so P(-2) = (-2-1)/-4-3) = -3/-7 = 3/7 (The way you wrote your expression, according to the order of operation, would be P(x) = x - (1...
*July 24, 2007 by Nicole Maberry*

**Health/ Basic Clinical Procedures**

please check my answer thanks True or False the review of systems is a history of the patient's previous diseases, injuries and operation . I said False
*April 20, 2008 by Helana*

**math**

with clear illustrations and examples explain how arithmetic and geometric progression can be used to solve problems related to a)construction of business b)banking business c)production/operation function
*December 11, 2010 by shadrack*

**Pre-Calculus**

Perform the indicated operation, then simplify. 5a2 + 12a + 4/a4 − 16 ÷ 25a2 + 20a + 4/a2 − 2a I think I'm supposed to switch the top and bottom, and then multiply. Is this correct?
*September 11, 2013 by Anonymous*

**Mathamatics**

Choose the two true statements from the following. Options A) If the rate of inflation as measured by the RPI is 2%, then a pension index linked to the RPI will increase by 2%. B) A price ratio of 0.8 corresponds to a price decrease of 80%. C) If the price of transport rises ...
*June 4, 2010 by S Rey*

**Calculus**

A machine earns the company revenue at a continuous rate of 62000 t + 43000 dollars per year during the first six months of operation, and at the continuous rate of $74000 per year after the first six months. The cost of the machine is $155000. The interest rate is 5.5% per ...
*April 15, 2008 by Jackie*

**math**

Whatwould be the answer 3+9+6+52x963+??? The answer depends upon where you put the parentheses. The order of operation makes a big differnece The answer depends upon where you put the parentheses. The order of operation makes a big differnece I agree with drwls...... But, ...
*February 23, 2007 by Crystal*

**physics**

An engine provides a 10kw of power to lift a heavy load at a constant velocity a distance 20m in 5s. what is the mass of the object being lifted?
*April 7, 2011 by Anonymous*

**physics**

Assuming maximal power output, how long, in seconds, would it take a 1,535 kg car with a 128 hp engine to accelerate from 50 km/h to 102 km/h? (1 hp = 746 W)
*November 8, 2011 by Lydia*

**algebra**

Find the number of decibels for the power of the sound given. Round to the nearest decibel. A rocket engine,2.44 cross 10^(−5)watts/cm2.
*May 12, 2013 by Tierra*

**algebra**

Find the number of decibels for the power of the sound given. Round to the nearest decibel. A rocket engine, 2.67 cross 10−5watts/cm2
*August 26, 2013 by Anonymous*

**algebra**

Find the number of decibels for the power of the sound given. Round to the nearest decibel. A rocket engine, 2.54 cross 10−5 watts/cm2
*February 8, 2014 by samuel louijeune*

**math**

Find the number of decibels for the power of the sound given. Round to the nearest decibel. A rocket engine, 2.42 cross 10−5 watts/cm2
*May 23, 2014 by tasha*

**algebra**

Find the number of decibels for the power of the sound given. Round to the nearest decibel. A rocket engine, 2.42 cross 10−5 watts/cm2
*May 29, 2014 by Mary Ann *

**algebra**

Find the number of decibels for the power of the sound given. Round to the nearest decibel. A rocket engine, 2.42 cross 10−5 watts/cm2
*May 29, 2014 by Mary Ann *

**math**

Find the number of decibels for the power of the sound given. Round to the nearest decibel. A rocket engine, 2.37 cross 10−5 watts/cm2
*June 5, 2014 by neal*

**programming**

I am in IT/210 and am having problems with the entire class. But what I am stuck on is as follows: Consider the following statement where X is an integer test score between 0 and 100. input X if (<0=X and X<49) output = "you fail" else if (50 <=X and X < 70) output...
*April 7, 2010 by Sandy*

**Business**

Thomas Kratzer is the purchasing manager for the headquarters of a large insurance company chain with a central inventory operation. Thomas’s fastest moving inventory item has a demand of 6000 units per year. The cost of each unit is $100.00, and the inventory carrying cost is...
*September 20, 2010 by Jackson*

**physics**

Please Help. I am not sure how to set up or do this problem. Thanks A car is traveling along a road, and its engine is turning over with an angular velocity of +199 rad/s. The driver steps on the accelerator, and in a time of 14.2 s the angular velocity increases to +263 rad/s...
*October 28, 2010 by bethany*

**System Operations management**

Your boss has asked you to help new employees understand uses of data in systems-operation management and the various statistical process controls they will experience on a daily basis
*December 14, 2010 by Mayra Rosado*

**PreCalculus II**

perform the indicated operation (3sinx-2)(sinx+1) I need someone who can help me to understand what I am supposed to be doing with this problem, a step by step would be increasingly helpful so that I can apply it to other problems like this.
*January 30, 2013 by Amber Lance*

**PHYSICS**

A car is traveling along a road, and its engine is turning over with an angular velocity of +199 rad/s. The driver steps on the accelerator, and in a time of 14.2 s the angular velocity increases to +263 rad/s. (a) What would have been the angular displacement of the engine if...
*October 29, 2010 by JOHN*

**Physics**

A car is traveling along a road, and its engine is turning over with an angular velocity of +190 rad/s. The driver steps on the accelerator, and in a time of 13.0 s the angular velocity increases to +300 rad/s. (a) What would have been the angular displacement of the engine if...
*November 1, 2014 by Sanz*

**French**

2. you will also need to include 8 colorful adjectives to describe your body and face. For example: you can write "les jambes jaunes, les yeux verts... Remember to make sure that your adjectives agree with the gender and the number of the body parts you are describing. You ...
*September 30, 2009 by Anna*

**physics**

How much work can a 22 kW car engine do in 60 seconds if It is 30% efficient It is 100% efficient
*May 8, 2012 by Melissa*

**physics**

A heat engine receives 7.0 x 10^3 J of heat and loses 3.0 x 10^3 J in each cycle. What is the efficiency? 1-30% 2-43% 3-57% 4-70% 5-100%
*February 24, 2014 by shirly*

**Social Studies**

According to Procopius two sixth century Christian monks undertook an elaborate smuggling operation to provide Byzantium with the expertise to produce what? A) steel B) iron C) ceramics D) gun powder E) silk
*March 2, 2009 by Kathryn*

**geog**

what heat engine transfers heat energy from the tropics to the poles?
*February 27, 2011 by anonymous*

**College English**

I work for a large company. My boss was fired and I get promoted. I must do a power point to address a customer issue. A client was promised 10,000 bolt cups to use in their new truck engines. The parts were received for us to manufacture, but they were flawed. It took 2 ...
*October 31, 2010 by Maurice D*

**literacy**

which search engine would be best to use for a broad search for scholarly literature
*October 8, 2012 by which of the following is an article from a popular magazine*

**Computer Literacy **

A strong search strategy for a search engine would include which of the following?
*April 3, 2013 by Anonymous*

**internet basic**

All of the following search engines are meta-search engine with the exception of
*June 12, 2014 by coral*

**math**

Operations with scientific notation Perform the indicated operation. Each final answer must be written in scientific notation. 1. (2.34*10^5)*(-4*10^-8) 2. (4*10^3)*(4.5*10^-3) 3. (5*10^5)*(4.3*10^2)
*January 17, 2008 by shay*

**Social Studies**

List one example of economic,social & political development. List five benefits of co-operation.
*February 3, 2009 by Rhonda*

**English, about my essay**

Hi, thanks for your kind reply. I am following MLA format, except some parts need to be underlined ("Welcome" IRRI) -> IRRI has to be underlined, but this site doesn't have underlines, i think. My teacher told me that what I did was write, so that's ok. English is my second...
*February 11, 2009 by Jennifer*

**physics**

what is the most suitable shape for a fishing boat? and what kind of engine should the boat use???
*February 9, 2012 by effshine*

**Physics**

A heat engine does 650 J of work and dumps 1270 J of heat to its cold reservoir. What is its efficiency?
*April 16, 2013 by Seth*

**literacy**

When choosing your search strategy for a search engine, it's best to
*January 16, 2012 by carrie*

**Psychology**

what were the implications of Babbage's calculating engine for the new psychology?
*January 20, 2013 by Kate C*

**science**

what are the parts of the cells
*June 30, 2008 by joy*

**journalism**

what are the parts of a newspaper???
*July 13, 2008 by klar maesen*

**science**

parts of a cell
*July 4, 2008 by chris*

**english**

what is the sum of many parts?
*October 8, 2008 by Aj*

**math**

this is fractional parts what is 1/10 of 50
*March 23, 2009 by queeneka*

**decimals**

add 3 parts of 0.1
*December 29, 2009 by diana*

**Science**

What r the parts of a lily?
*January 12, 2010 by agnjg.aja*

**Please help me**

what are parts of a poem?
*February 17, 2011 by kelly *

**reading**

what are parts of a poem?
*February 17, 2011 by lily*

**Integration by parts**

integrate (e^x-x)^2 dx
*July 13, 2011 by Steff*

**algebra**

parts x4= strap
*October 2, 2014 by dom*

**Algebra**

Perform the indicated operation and state the domain. Let f(x)=x-1 and g(x)=x+1 f(x) - g(x) Heres my work (x-1) - (x+1) x-x=0 and -1-1=-2 Answer =-2 because the x's cancel each other out. How do i find the domain when there is no x in the answer?
*April 10, 2011 by Maya*

**math**

what is 10^3 ( )9^2 ( )190 = 10. i try to work it out;( 1000 - 190 ) divided by 190 = 10 But when i think about BODMAS then i do not know how to choose the correct operation to make this statment true,can u help me please ,thanks
*April 18, 2013 by rica*

**Managerial Economics**

Please explain the reasons why Harley Davidson cycle company would want copyrights on the word hog and for exclusive rights to its engine sound
*August 27, 2009 by Anonymous*

**Socials-Ms. Sue**

The steam engine changed society by the ingenious application of its power to kinds of work that formerly taxed the physical energies of the human race.
*November 23, 2009 by Sara*

**science**

A spacecraft can travel at 18000km/h with no engines being fired. Explain why a car travelling at 110km/h on a motorway needs its engine to run a high power.
*January 26, 2010 by Lucie*

**science**

My question is ' what do you think if we lived in a world without any plants?' I have tried typing this in a search engine and it came up with nothing. Please could you help give me a website. Thank you.
*December 8, 2011 by peter*

**physics**

When a 1150 kg space rocket lifts off of ground. How many joules of energy has been provided by its engine during the time in which it achieves a speed of 180 m/s.
*February 7, 2012 by Zach *

**physics**

A large truck (m=3300kg) accelerates from 15 m/s. Neglecting any friction or air resistance, find the average mechanical power that the trucks engine must supply.
*May 31, 2013 by Stacy*

**Algebra**

Find the number of decibels for the power of the sound given. Round to the nearest decibel. A rocket engine, 2.68 cross product 10−5 watts/cm2
*August 6, 2014 by Viola*

**Algebra 2**

Find the number of decibels for the power of the sound given. Round to the nearest decibel. A rocket engine, 2.64 cross product 10−5 watts/cm2
*August 17, 2014 by Viola*

**Physics**

An engine has an efficiency of 61% and produces 7900 J of work. Determine each of the following. (a) the input heat J (b) the rejected heat J
*April 18, 2008 by Johnson*

**Physics**

An engine has an efficiency of 59% and produces 5300 J of work. Determine each of the following. (a) the input heat J (b) the rejected heat J
*April 19, 2008 by Kiante*

**chemistry**

An aluminum engine block has a volume of 4.86 L and a mass of 12.75 kg. What is the density of the aluminum in grams per cubic centimeter?
*August 26, 2010 by maryanne*

**Physics**

Which of these types of motors or engines are heat engines? a. an automobile engine b. an electric motor c. a steam turbine
*December 28, 2010 by Sylvia*

**Physics**

Which of these types of motors or engines are heat engines? a. an automobile engine b. an electric motor c. a steam turbine
*January 2, 2011 by Anonymous*

**math**

A car has a 12 volt battery. The engine has a resistance of 0.22 ohms. How many amps will be drawn from the battery when the key is turned?
*June 17, 2012 by Leo*

**physics**

The exhaust temperature of a heat engine is 250∘C .What must be the high temperature if the Carnot efficiency is to be 35% ?
*June 4, 2014 by Anonymous*

**physics**

How far is the rocket from the launch pad 8.50s later when the rocket engine runs out of fuel?
*September 11, 2014 by Anonymous*

**English**

Hey, just look up the grammar, tenses and wheter I use the right words, ok? It is for an oral excercise so the spelling isen't important. Thanks and now the text: Mandy: Good Morning and welcome to the morning show with me: Mandy Melrose! Today I wanna talk with you about ...
*July 11, 2013 by Julie*

**calculus**

The region R is defined by 1(</=)x(</=)2 and 0(</=)y(</=)1/(x^3). a) Find the number 'a' such that the line x=a divides R into two parts of equal area. b) Then find the number 'b' such that the line y=b divides R into two parts of equal area.
*January 21, 2010 by Martha*

**Physics - bobpursley**

Imagine a landing craft approaching the surface of Callisto, one of Jupiter's moons. If the engine provides an upward force (thrust) of 3270 N, the craft descends at constant speed; if the engine provides only 2190 N, the craft accelerates downward at 40 m/s2. What is the ...
*February 6, 2007 by COFFEE*

**physics**

An oil tanker's engine have broken down and the wind has accelerated the tanker to a speed of 1.5m/s straight toward a reef. When the tanker is 500m from the reef, the wind dies down just as the engineer gets the engines going again. The rudder is stuck, so the only choice is ...
*November 16, 2006 by Chris*

**Algebra**

An operation is commutative if you can change the order of the numbers involved without changing the result. Addition and multiplication are both commutative. Subtraction is not commutative: 2 - 1 is not equal to 1 - 2. So my question is what’s the difference between 2 - 1 and...
*December 12, 2010 by CC*

**Physics**

A mining operation excavates 5.482x10^4 metric tonnes of ore each hour. In an 12 hour production shift, how much ore is excavated in kg, to 2 significant figures?
*October 3, 2010 by christine*

**Physics**

A hanging spring stretches by 30.0 cm when an object of mass 490 g is hung on it at rest. We define its position as x = 0. The object is pulled down an additional 20.0 cm and released from rest to oscillate without friction. What is its position x at a moment 84.4 s later? (b...
*April 16, 2013 by Victoria*

**Physics**

A hanging spring stretches by 30.0 cm when an object of mass 490 g is hung on it at rest. We define its position as x = 0. The object is pulled down an additional 20.0 cm and released from rest to oscillate without friction. What is its position x at a moment 84.4 s later? (b...
*April 16, 2013 by Victoria*

**LAN**

1. System A consists of a single ring with 100 stations, one per repeater. System B consists of four 25 stations rings linked by a bridge. If the probability of a link failure is , a repeater failure is , and a bridge failure is , derive an expression for parts (a) to (d). a) ...
*March 18, 2013 by Sandra*

**Telecommunications**

1. System A consists of a single ring with 100 stations, one per repeater. System B consists of four 25 stations rings linked by a bridge. If the probability of a link failure is , a repeater failure is , and a bridge failure is , derive an expression for parts (a) to (d). a) ...
*October 18, 2013 by liam*

**physics **

My car is accelerating from o to 60 km/hr in 3.2 seconds. if the mass of my car is 2450kg and the froce of friction is 30 N, what is the force produced by my cars engine
*February 16, 2011 by Anonymous*

**physics**

A small plane starts down the runway with acceleration 7.4 .if the force provided by its engine is 1.5×104 , what is the plane's mass?
*June 25, 2011 by Anonymous*

**physic**

The fan blades on a jet engine make one thousand revolutions in a time of 87.6 ms. What is the angular frequency of the blades?
*January 20, 2014 by nada*

**English**

Hello again. Please help me with several more questions. 1)Is it possible to say "treaty about" or is it only "treaty on (nuclear disarmament)"? 2)Is the verb "proclaim" OK in the context "he proclaimed that children were starving in Zimbabwe"? 3)Does "taxation code" mean the ...
*July 4, 2011 by Ilma*

**Managerial Economics**

Dr. Jeraisy, a well-known plastic surgeon, has a reputation for being one of the best surgeons for reconstructive nose surgery. Dr. Jeraisy enjoys a rather substantial degree of market power in this market. She has estimated demand for her work to be: Q = 480 – 0.2P Where Q is...
*September 6, 2007 by Mo*

**Managerial Economics**

Dr. Jeraisy, a well-known plastic surgeon, has a reputation for being one of the best surgeons for reconstructive nose surgery. Dr. Jeraisy enjoys a rather substantial degree of market power in this market. She has estimated demand for her work to be: Q = 480 – 0.2P Where Q is...
*September 6, 2007 by Mo*

**Computers**

System A consists of a single ring with 100 stations, one per repeater. System B consists of four 25 stations rings linked by a bridge. If the probability of a link failure is , a repeater failure is , and a bridge failure is , derive an expression for parts (a) to (e). 50 ...
*March 17, 2014 by Bob*

**science**

What are the parts of a battery and how do they function?
*November 15, 2006 by need help*

**english**

what are five parts of a sentence?
*September 30, 2007 by Mathilde*

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