Monday

August 31, 2015
Total # Posts: 933

**physics**

A 1,400kg car is traveling in a straight line. Its momentum is equal to 2,000 kg. What is the velocity of the car?
*January 23, 2014*

**physics**

A beach ball rolling in a straight line toward you at a speed of 0.5 m/sec. Its momentum is 0.25kg m/sec. What is the mass of the beach ball?
*January 23, 2014*

**science**

An 8kg bowling ball is rolling in a straight line toward you. If its momentum is 16kg m/sec, how fast is it traveling?
*January 23, 2014*

**Geometry**

Stephanie casts a shadow of 1.2m and she is 1.8m tall. A wind turbine casts a shadow of 10m at the same time that Stephanie measured her shadow. Draw a diagram of this situation and then calculate how tall the wind turbine is.
*January 11, 2014*

** world geography **

In Iceland and the British Isles, the ocean creates a __________________ . a. mild temperatures c. hot and humid temperatures b. cold and wet temperatures d. hot and dry temperatures
*December 13, 2013*

**Algebra 1**

Thanks
*December 5, 2013*

**Algebra 1**

6y^-3 Can you show steps on how to do this
*December 5, 2013*

**Algebra 1 HELP**

I am not sure how to do these 2 problems can someone show me. Simplify the expression Write answers using exponents. 8^6/8^4*8^2 4^5*1/4^2 <---is by the 4 only
*December 5, 2013*

**Statistics**

$145 million for FY04 and $ 0 million for FY05
*December 3, 2013*

**QNT/351**

Describe a business situation, other than what has already been selected by fellow students or selected from the team assignment, where mean and standard deviation can be used in decision making. Describe how calculation of mean and standard deviation can help in making a ...
*November 26, 2013*

**Physics **

A 5 kg block is hanging from the top of an elevator if the elevator is accelerating upward at a rate of 3m/s/s, what is the tension in the rope that the block is hanging from?
*November 24, 2013*

**medical coding**

This patient was admitted for treatment of a traumatic left second metatarsal fracture. The fracture site was opened and reduced, followed by placement of three internal Kirschner wires. Two pins were then placed, and an external fixator frame was connected to the pins to ...
*October 15, 2013*

**math**

How do you get 105?
*October 9, 2013*

**math**

At the ruins of Caesarea, archaeologists discovered a huge hydraulic concrete block with a volume of 945 cubic meters. The block's dimensions are x meters high by 12x - 15 meters long by 12x - 21 meters wide. What is the height of the block? I have no idea how to do this. ...
*October 9, 2013*

**chemistry**

Im stuck on these few questions that seems to be getting me no where : -Determine the number of mmoles of HCl that did not react with the anatacid. c HCl = 0.1812 c NaOH = 0.1511 volume of HCl added : 75 volume of NaOH added: 29.23,19.58,33.3 - mmoles of HCl neutralized by the...
*October 8, 2013*

**algebra 2**

What is the absolute value if 10-7i?
*September 17, 2013*

**PSY202**

in order ti increase self-esteem, experts say you should a:praise any behavior without reservation b:acknowledge completed tasks, especially those that are difficult c:avoid tasks that are easily completed d:set high standards, especially in areas that are not relevant to your...
*September 17, 2013*

**physics**

A Boeing 787 is initially moving down the runway at 3.0 m/s preparing for takeoff. The pilot pulls on the throttle so that the engines give the plane a constant acceleration of 1.7 m/s2. The plane then travels a distance of 1900 m down the runway before lifting off. How long ...
*September 8, 2013*

**physics**

The Graph above shows the speed of a car traveling in a straight line as a function of time. The car accelerates uniformly and reaches a speed Vb of 4.00 m/s in 8.00 seconds. Calculate the distance traveled by the car from a time of 1.20 to 4.40 seconds.
*September 8, 2013*

**Early childhood**

I need to see an written example of a summary report on a child for preschool that covers the seven domain. 1.Personal and social development 2. Language and Literacy 3. Mathematical Thinking. 4. Scientific Thinking. 5. Social Studies. 6. the Arts. 7.Physical development, ...
*August 24, 2013*

**Math**

If Ginny took out a loan for 21,000 in 8/2011 at 6.5% and wants to pay off in 9/2013, and has been making monthly payments of $239.00 how much will she be charged to pay it all? Please help. Thanks
*August 22, 2013*

**English**

how can i rephrase this so that both parts are parallel Lots of my friends think that Prince's music is old, but I think it's not only excellent but also an innovation.
*August 17, 2013*

**Business and Finance**

Jeff Jones earns $1,200 per week. He is married and claims four withholding allowances. The FICA rate is as follows: Social Security rate is 6.2% on $97,500; Medicare rate is 1.45%. To date his cumulative wages are $6,000. Each paycheck, his employer also deducts $42.50 for ...
*August 13, 2013*

**Math**

When a not-for-profit facility receives a contribution from a member of the community, the cost of the capital is inconsequential when deciding how to use the contribution, because it is, in effect, free money.”
*August 6, 2013*

**Psychology**

Nelda is fearful of public places and has managed to stay "at home" for the last three years. She and her therapist have developed a strategy. During the first week, she will go to the front door and open it and look outside. If she can remain calm, the goal for the ...
*July 26, 2013*

**Psychology**

ok thank you
*July 26, 2013*

**Psychology**

It had been a confusing afternoon which Martin was embarrassed to share with anyone. About one o'clock, he suddenly realized that he was in a strange place with strange people who called him by name. Martin found himself in a town he had never heard of and wondered where ...
*July 26, 2013*

**Psychology**

Marvin collects things, not cars, or baseball cards, or even beer bottles. Marvin collects everything. He cannot seem to stop picking up "stuff" from the street or dumpsters. If he attempts to pass by a target for collection, he is overwhelmed with tension and must ...
*July 26, 2013*

**trig**

use a half-angle identity to find the exact value of tan 105 degrees.
*July 22, 2013*

**Media/Social Science**

What is the theory of Habermas? How would you explain the theory of communicative rationality? How do you think the thoughts of Habermas apply to the real world?
*July 19, 2013*

**public speaking**

for communication to take place there has to be?
*June 26, 2013*

**Math**

How do you weight probabilities to add up to 1? Example: Chance of rain .25 Chance of person wearing purple hat .1 Chance of person wearing red hat .05 Chance of person wearing black hat .2 Chance of person wearing yellow hat .1 Chance of person wearing white hat .3 So, You ...
*June 17, 2013*

**Healthcare**

choose a product or service category that is at each stage of the product lifecycle--one each for introduction, growth, maturity, and decline. Explain your selection Propose strategies for effectively marketing each product or service you selected.
*June 10, 2013*

**Math**

Mr foster places 11 garden lights along an 80 meter path. Each light is placed an equal distance apart. How far away is the sixth garden light from the second?
*June 5, 2013*

**math**

John has a loan of $15,000. How much will his monthly payment be at 6.8% over a 10-year term
*May 23, 2013*

**Algebra II Part 2**

Use a graphing calculator to solve the equation -3 cos t=1 in the interval from 0 to 2p.Round to the nearest hundredth
*May 19, 2013*

**algebra II Part 2**

The equation h=7 cos{pi/3 t} models the height h in centimeters after t seconds of a weight attached to the end of a spring that has been stretched an then released. (C).Find the times at which the weight is at a height of 1 cm,of 3 cm,and of 5 cm below the rest position for ...
*May 19, 2013*

**Algebra II Part 2**

Verify the identity cot{0-pi/2=-tan 0
*May 18, 2013*

**Algebra II Part 2**

Use an angle sum identity to verify the identity cos 2 0=2 cos 0-1
*May 18, 2013*

**Algebra II Part 2**

Use a graphing calculator to solve the equation -3 cos t=1 in the interval from 0 to 2 p.Round your answer to the nearest hundredth
*May 18, 2013*

**Algebra II Part 2**

The equation h=7 cos{pi/3 t} models the height h in centimetres after t seconds of a weight attached to the end of a spring that has been stretched and then released. Find the times at which the weight is at a height of 1 cm,of 3 cm,and of 5 cm below the rest position for the ...
*May 18, 2013*

**science-physics**

A worker sits at one end of a 183-N uniform rod that is 2.80 m long. A weight of 107 N is placed at the other end of the rod. The rod is balanced when the pivot is 0.670 m from the worker. Calculate the weight of the worker
*May 15, 2013*

**Chemistry pH**

What is the pH of a solution that is .60 M H2SO4 (Sulfuric acid) and 1.7 M HCOOH (formic acid).
*May 10, 2013*

**Calculus 1**

Find the antiderivative of f(x)=5e^x-2secxtanx showing steps please
*May 2, 2013*

**Calculus**

The current circulation of a particular magazine is 3,000 copies per week. The editor projects a growth rate of g(t) = 4 + 5t^2/3 copies per week after t weeks. a. Find the circulation function based on this projection. b. Find the circulation in 2 years.
*April 26, 2013*

**Chemistry**

What is the amount of work produced when 1.0 g of H2O (l) is boiled at atmospheric pressure? Assume the liquid has no volume.
*April 24, 2013*

**Social Studies**

who was the american commander responsible for catching the philippines
*April 16, 2013*

**Geometry Part 2**

At a track meet,50 people ran the 100- meter dash.2 people finished in 11 seconds,5 people finished in 12 seconds,8 people finished in 13 seconds,10 people finished in 14 seconds,21 people finished in 15 seconds,2 people finished in 16 seconds,and 2 people finished in 17 ...
*April 16, 2013*

**Geometry Part 2**

Janine made a cylindrical vase in which the sum of the lateral area and area of one base was about 3000 square centimetres.The vase had a height of 50 centimetres .Find the radius of the vase.Explain your method you would use to find the radius .
*April 15, 2013*

**Geometry Part 2**

State whether the transformation of a Preimage and Image circles appears to be a rigid motion?Explain
*April 15, 2013*

**Geometry Part 2**

A forest ranger spots a fire from a 28- foot tower.The angle of depression from the tower to the fire is 11.To the nearest foot,how far is the fire from the base of the tower?Show the steps you use to find the solution.
*April 15, 2013*

**Geometry Part 2**

A highway makes an angle of 6 with the horizontal.This angle is maintained for a horizontal distance of 5 miles.To the nearest hundredth of a mile, how high does the highway rise in this 5- mile section?Show the steps you use to find the distance.
*April 15, 2013*

**Geometry Part 2**

A triangle has side lengths 10,15,and 7.Is the triangle acute,obtuse,or right?Explain.
*April 15, 2013*

**science**

you run 100m in 25's. if you later run the same distance in less time , does your average speed increase or decrease? explain.
*April 14, 2013*

**Chemistry**

Calculate volume of 6MHCL required to prepare a 250 ml of a 0.15MHCL solution??
*April 9, 2013*

**Chemistry**

Calculate volume of 6MHCL required to prepare a 250 ml of a 0.15MHCL solution??
*April 9, 2013*

**Chemistry**

Calculate the mass of water that will be produced when 5.0 grams of H2 is reacted with excess O2.
*March 30, 2013*

**Chemistry**

Calculate the mass of water that will be produced when 5.0 grams of H2 is reacted with excess O2.
*March 30, 2013*

**Math**

Haha thanks and cause i forgot to multiply -3x+2 by 5
*March 17, 2013*

**Math**

Thanks for the help and reiny no thats not the denominator its 2x/5 - 3x+2 greater than or equal to x-1
*March 17, 2013*

**Math**

2x/5 - 3x +2 >= ( greater than or equal) x-1 My answer was x is less than or equal to 7.5 but im not sure
*March 17, 2013*

**computer science**

You are required to use the Account class to simulate an ATM machine. Create ten accounts in an array with id 0, 1, 2 ...9, and initial balance $50. The system prompts the user to enter an id. If the id is entered incorrectly, ask the user to enter a correct id. Once an id is ...
*March 13, 2013*

**calculus**

The rate of change of an investment account earning continuous compound interest is given by dA/dt=kA where k is a positive constant. The initial account value was $2500. At the end of the third year, the account value was $4200. Find the particular solution to the ...
*March 13, 2013*

**Spanish**

Que te gusta hacer? My choices are (A).A mi tambien (B).No,no me gusta. (C).No,me gusta Tampico. (D).Me gusta montar en monopatin
*March 12, 2013*

**Algebra 1Part2**

Divide 3n^2-n/n^2-1/n^2/n+1
*March 6, 2013*

**Algebra 1 Part 2**

Divide 3n^2-n/n^2-1/n^2/n+1
*March 6, 2013*

**Algebra 1Part2**

Divide 3n^2-n/n^2-1/n^2/n+1
*March 6, 2013*

**Algebra 1 Part2**

Simplify the radical expressions: (1).sqrt75+sqrt3 (2).sqrt7(sqrt14+sqrt3)
*March 6, 2013*

**Algebra 1 Part 2**

Can you please show me how to write this because I don't follow what your saying
*March 5, 2013*

**Algebra 1 Part 2**

Simplify the radical expressions: (1).sqrt75+sqrt3. (2).sqrt7(sqrt14+sqrt3
*March 5, 2013*

**Algebra 1 Part 2**

Simplify the rational expressions.State any excluded values:(1).3x-6/x-2 (2).x-2/x^2+3x-10
*March 5, 2013*

**Algebra 1Part 2**

Divide 3n^2-n/n^2-1/n^2/n+1
*March 5, 2013*

**Algebra 1Part 2**

Can't re-enter because that's how it 's written.
*March 5, 2013*

**Algebra 1Part 2**

Divide 3n^2-n/n^2-1/n^2/n+1
*March 5, 2013*

**Algebra 1 Part 2**

What are the minimum,first quartile,median,third Quartile,and maximum of the data set?5 55,62,61,54,68,72,59,61,70.
*March 5, 2013*

**Algebra 1,Part 2**

Would the mean be 62.44 and the range be -18
*March 5, 2013*

**Algebra 1,Part 2**

As cars passed a checkpoint ,the following speeds were clocked and recorded. Speed (mph):55,62,61,54,68,72,59,61,70) Find the mean and the range of the data set .
*March 5, 2013*

**Algebra/Math**

What is the factor (x to the third power + 4x to the second power)(2x+8)?
*February 27, 2013*

**math**

The period of a pendulum can be found by using the formula,where L is length of the pendulum in feet and P is the period in seconds.Find the period of a 15-foot pendulum. Round your answer to the nearest hundreth of a second.
*February 27, 2013*

**algebra 1**

What is the prime factorization of 20?
*February 25, 2013*

**math**

What is the prime factorization of 20?
*February 20, 2013*

**Physics**

.876 g/day
*February 20, 2013*

**Physics**

876000
*February 20, 2013*

**HCA 220**

WHY ARE THE FIVE SKILLS OF MEDICAL COMMUNICATION IMPORTANT FOR HEALTH CARE ADMINISTRATION? WHAT TECHNIQUES WILL YOU USE TO LEARN THESE NEEDED SKILLS AND MEDICAL TERMS IN THIS COURSE?
*February 19, 2013*

**Statistics**

A recent survey found that 70% of all adults over 50 wear glasses for driving. You randomly select 30 adults over 50, and ask if he or she wears glasses. Decide whether you can use the normal distribution to approximate the binomial distribution. If so, find the mean and ...
*February 16, 2013*

**Statistics**

An airline reports that if has been experiencing a 15% rate of no-shows on advanced reservations. Among 150 advanced reservations, find the probability that there will be fewer than 20 no-shows.
*February 16, 2013*

**English**

Its D
*February 14, 2013*

**statistics**

if a sample of a distribution of sample size 26 has a range of 56, then what would be an estimate of the sample standard deviation
*February 14, 2013*

**math**

if you have 2 dice and you throw them once,what possible combinations of numbers can you get ? Is it 2^6=12 thanks
*February 12, 2013*

**math**

peter has a bag of 7 mixed lollies.he allows everyone in his class to choose 3 lollies,but they must not choose more than one of each kind.How many different combinaions of lollies are possible ? Is it 7^3=21 thanks
*February 12, 2013*

**math**

sarah has a bag of mixed lollies.T?he bag contains toffees,mints,fruit drops,smarties,jelly beans,candies and licorice.She allows everyone in her class to choose 3 lollies,but they must not choose more than one of each kind.How many different combinations of lollies are ...
*February 11, 2013*

**math**

Peter wants to wear a 3 piece outfit .In the wardrobe he has a white shirt and a blue shirt,a pair of brown trousers,a pair of black trousers and some blue jeans.He has a cashmere coat and a windcheater.How many different 3 piece outfits can he wear? Is it 3^2^3^2 =36
*February 11, 2013*

**math**

what kind of book can help me understand about propabilities,please let me know,i am not lazy,but i am really not understand,many thanks
*February 11, 2013*

**math**

thanks,so what is the formula for the sum of 1st even number ?
*February 11, 2013*

**math**

Anny is having a party .The first guest arrived by himself.3 guests then arrive together,each successive group arrives with 2 more guests than the group that entered previously.How many guests will have arrived when the twentieth group enters the room ?
*February 11, 2013*

**AMERICAN GOVERMENT Would someone PLEASE check ans**

1. The source of the Supreme Court’s authority is (D) moral suasion. judicial activism. concurring opinion. dissent. 2. When the Supreme Court hands down a decision, it is (A) often a mixed decision with majority, dissenting, and even concurring opinions. always a ...
*February 10, 2013*

**math**

thanks for your kindness
*February 10, 2013*

**math**

a 3 cm by 3 cm by 3 cm cube is painted all over its outside and is then cut into 27 smaller cubes. How many of these small cubes have paint on more than one face? please explain how you work it out,thanks
*February 10, 2013*

**math**

thanks for your kindness
*February 10, 2013*