Tuesday

May 26, 2015

May 26, 2015

Total # Posts: 723

**physics**

A bullet is fired through a wooden board with a thickness of 10.0 cm. The bullet hits the board perpendicular to it, and with a speed of +390 m/s. The bullet then emerges on the other side of the board with a speed of +234 m/s. Assuming constant acceleration (rather, ...
*May 21, 2015*

**6th grade math**

6th grade
*May 20, 2015*

**6th grade math**

Mrs Roberts is 3 times as old as her son. The sum of their ages is 48 years. How old was Mrs. Roberts when her son was born?
*May 20, 2015*

**4th Grade Math**

The ratio of the number of dogs to the number of cats at an animal shelter is 5:4, if there is a total of 153 cats and dogs, how many cats are in the shelter
*May 20, 2015*

**Math**

Kenji has a box containing many blue rods, each one 252 cm long. Mei-Ling has a box containing many green rods, each one 408 cm long. They each start making a long line of rods of their colour by laying rods end to end. After a while, their lines are exactly the same length. ...
*April 22, 2015*

**MATH**

That is the way it was written to me and I think that is why it is so confusing since I can't get any of the listed answers. The lesson doesn't give any instructions either. I think the 14.25% is charged on the $700 because he/she forfeited the 0%. I also got 70.17 but...
*April 21, 2015*

**MATH**

Really need help with this: You purchase a computer for $875.00 plus 5% sales tax. You decide to finance it through the store's 0% program for 12 months. The terms state that you must pay $100.00/month and that if you miss a payment, you will be assessed a late fee of $39....
*April 21, 2015*

**Math**

Really need help with this: You purchase a computer for $875.00 plus 5% sales tax. You decide to finance it through the store's 0% program for 12 months. The terms state that you must pay $100.00/month and that if you miss a payment, you will be assessed a late fee of $39....
*April 20, 2015*

**MATH**

You purchase a computer for $875.00 plus 5% sales tax. You decide to finance it through the store's 0% program for 12 months. The terms state that you must pay $100.00/month and that if you miss a payment, you will be assessed a late fee of $39.00 plus the interest accrued...
*April 20, 2015*

**Math**

You purchase a computer for $875.00 plus 5% sales tax. You decide to finance it through the store's 0% program for 12 months. The terms state that you must pay $100.00/month and that if you miss a payment, you will be assessed a late fee of $39.00 plus the interest accrued...
*April 19, 2015*

**MATH**

Guess what, my 12 year old granddaughter figured it out when she got home from school -- she is a math wiz -- Got $202.24. Discretionary is what is left over. I try to help my 11th grade GD but could not figure this one out.
*April 16, 2015*

**MATH**

Suppose that you work at the Peacock Blue store for 40 hours over five days at a rate of $9.25/hour. You then quit your job. Deductions are FICA (7.65%), federal withholding (12%), and state withholding (8%). Your expenses are transportation at $5.25/day, lunch at $3.85/day, ...
*April 16, 2015*

**leal aspects of health information**

Name the types of fraudulent billing.
*April 12, 2015*

**legal aspects of health information**

Dr. Pearson has recently been hired into the Central City Internal Medicine Group as its fifth physician. He has recently completed his residency and is eager to enter private practice. Dr.Pearson is introduced to Meredith and Dawn, two members of the billing staff for the ...
*April 11, 2015*

**legal aspect of health information**

is Dr. Pearson subject to liability although he doesn't know Meridith is conducting fraud activities
*April 11, 2015*

**physical science**

Picnickers see a lightning flash and hear the resulting thunder 9.0 s later. If the storm is traveling at a rate of 15 km/h, then how long, in minutes, do the picnickers have before the storm arrives at their location?
*March 10, 2015*

**Chem**

Copper(I) chloride has Ksp = 1.7 × 10-7. Calculate the molar solubility of copper(I) chloride in (a) 0.0858M HCl solution (b) 0.419 M HCl solution (c) 0.653 M CaCl2 solution
*March 4, 2015*

**Math- MDM4U data Managment**

Sorry. There's no / before 7. A typo. It's actually 17
*March 2, 2015*

**Math- MDM4U data Managment**

How do you solve this question. I literally have no idea on where to start. "If the mean of the following numbers is /7, find the c value. Produce an algebraic solution. Numbers: 12, 18, 21, c, 13 Please help.
*March 2, 2015*

**Maths**

Runner A speed 1km/hour Runner B speed 2km/hour They start of at the same point at the oval.In a lap that is 500m, how many times will they meet at the starting point after 10 hours. I managed to get the LCM for runner A,B using the time taken to complete 1 lap A=1/2 hrs, B=1/...
*February 11, 2015*

**Art**

What advantage does multi-spectral analysis hold over the X-ray Machine? a. Multi-spectral analysis can analyze pigments that an X-ray cannot detect b. multi-spectral analysis reveals what is not visible to the naked eye c. multi-spectral analysis can be used on large art that...
*January 27, 2015*

**Language Arts**

My opinion A would be right because that is opposite of what ponderous is
*January 26, 2015*

**Art**

You would use different criteria to analyze different styles of art for all of the following reasons except A. the styles have different stylistic qualities. B. the expected skill set of the artists may vary. C. the subject matter may be drastically different. D. the ...
*January 23, 2015*

**Chemistry**

A sealed container comtains 1.50 mol of nitrogen gas, 2.00 mol of oxygen gas and 3.50 mol of argon gas. If the total pressure is 900 kPa, what is the pressure of the nitrogen gas?
*January 18, 2015*

**chemistry**

A 5.0 L sample of nitrogen gas has a pressure of 95 kpa. What is the final volume of the gas if the pressure is tripled? I know p1 = 95, v1=5.0 and p2 = tripled What i dont understand is what number is tripled, is it 95 times 3??
*January 14, 2015*

**DrBob222 my previous question**

I responded back on the link
*January 12, 2015*

**DrBob222 my previous question**

You asked me to show my work for one of my questions a few minutes ago and i need you to verify my work because you said my answer was wrong
*January 12, 2015*

**chemistry check my answer**

Thank you soo much DrBob222 You helped me a lot. Thank you very much. XD
*January 12, 2015*

**chemistry check my answer**

When i gave you the name and time i wrote my answer
*January 12, 2015*

**chemistry check my answer**

I posted my answer here in this link
*January 12, 2015*

**chemistry check my answer**

Name: Jack Date: Monday January 12, 2015 Time: 5:28 pm The amswer i got was 0.257 L
*January 12, 2015*

**chemistry check my answer**

Can you also verify my answer for a question i asked hours ago..
*January 12, 2015*

**chemistry check my answer**

Ohhhh is it 0.19
*January 12, 2015*

**chemistry check my answer**

DrBob222 I should my work Can you please verify if i did it correctly, as you said my answer is wrong
*January 12, 2015*

**chemistry check my answer**

Ok. Concentration NaOH = (32.5 ml)(0.180 mol/L H2SO4)(2NaOH/H2SO4) divided by 32.5 ml
*January 12, 2015*

**chemistry check my answer**

In an acid base titration 32.5 ml of sodium hydroxide were neautralized by 17.6 ml of 0.180 mol/l sulfuric acid. Calculate the concentration of the sodium hydroxide. I asked this question earlier but i wanted to make sure i got the right answer My answer: 0.36 mol/L is this ...
*January 12, 2015*

**Science help please**

I know this is so weird I guess its one they messed up on so will have to question this with teacher thanks
*January 8, 2015*

**Science help please**

My parents have looked at these as well and none of us understand what this could be
*January 8, 2015*

**Science help please**

Use the word bank below to answer the questions that follow: conservation carbon footprint decompose slower renewable biodegradable desertification fossil fuels aquaculture hydroelectric geothermal ozone land reclamation point decompose faster nuclear photochemical ...
*January 8, 2015*

**Language arts check answers**

1 B 2 A ????
*January 7, 2015*

**Language arts check answers**

If you fail to plan, you plan to fail. simple complex compound <----My choice compound-complex I was thinking about meeting Susan for dinner and then we could go shopping. compound simple complex <----My choice compound-complex Strawberries and bananas are my two ...
*January 7, 2015*

**english check answer**

I am working on this too and I have a hard time with getting these as well so thanks for the info Ms. Sue
*January 7, 2015*

**english check answer**

Ok D for number 2 and for number 3 A???
*January 7, 2015*

**Math**

Write the sum (in sigma notation) 1 + 3/2 + 2 + 5/2 + 3 + 7/2 + 4 Sigma notation?
*December 15, 2014*

**Science one question!**

Explain how gravitational, electrical and magnetic force act on a maglev train? I just need help on magnetic thanks!
*December 2, 2014*

**Chemistry**

Thank you DrBob222. I really appreciate your help.
*November 27, 2014*

**Chemistry**

I don't know how to do this question, or even start it. Please Help. 2 kg copper kettle (specific heat capacity 0.385j/gC) has .0500 kg of water at 20C. How much heat is needed to raise the temperature of the kettle and content to 80C?
*November 27, 2014*

**math probability**

How many three digits codes (single digits 0-9) are possible part A is codes must exceed value of 400 i think answer is 400 multiply 10 multiply 400 or 400x400x400 as three digits
*November 14, 2014*

**math probability**

In box containing marbles 1-75, how many ways A) first marble are chosen Answer, i think 1/75 Part B) two marbles are chosen i think answer are inconclusive Part C is ball with number 37 is chosen i think answer is 1/74
*November 14, 2014*

**math probability**

A box has ten dollars, one is five dollar and four of one dollars. If two bills are chosen at random without replacement, find probability of getting A) amount of valued fifteen dollars B) amount of twelven dollars... is it 4 from 19-15 for A and 7 from 19-12= 7?
*November 14, 2014*

**Math**

theta = 16 pi / 5 How to find the reference angle in radians? Do i have to use degree to pi conversion?
*November 7, 2014*

**sentence structure**

The subject are the children. The predicate is what is being told about the subject, in this case the predicate is what is being said about the children. So; Subject: children Predicate: waiting
*November 7, 2014*

**Math Calc**

Solve the equation 7sin(theta)=6 for theta, an angle in the right triangle Round your answer to three decimal places. Theta = 58.998? I don't think I got this right.. Please help
*October 31, 2014*

**statistics**

Assume that the readings on the thermometers are normally distributed with a mean of 0 degrees and standard deviation of 1.00 degrees C. A thermometer is randomly selected and tested. Draw a sketch and find the temperature reading corresponding to p subscript 99, the ...
*October 30, 2014*

**math**

Jenna says that no row or column contains products with only odd numbers. Do you agree? explain.
*October 27, 2014*

**Physics**

A 1200 kg car pulls a 510 kg trailer. The car exerts a horizontal force of 4040 N against the ground in order to accelerate. What force does the car exert on the trailer? Assume an effective friction coefficient of 0.160 for the trailer.
*October 25, 2014*

**chemistry**

H3PO4+3Ca(OH)2=Ca3(PO4)2=6H2O If 44.6g of Ca3(PO4)2 are formed in the above reaction, how many moles of H3PO4 must have been consumed?
*October 24, 2014*

**physics**

A long jumper leaves the ground at an angle of 24.4◦to the horizontal an data speed of 9.52m/s.How far does he jump?The acceleration due to gravity is 9.8m. What maximum height does he reach?
*October 23, 2014*

**Math**

6 rectangular sheets of paper with the demensions of o.5m and 0.8m, if they do not overlap what is the total area covered
*October 23, 2014*

**algebra**

(a+10)(a-10)/(a-10)(a+4) Simplify rational expressions
*October 21, 2014*

**Algebra**

From a survey of 100 college students, a marketing research company found that 45 students own ipods, 45 owned cars and 25 owned both cars and ipods. How man students owned either a car or an ipod (but not both) and how many do not own either a car or an ipod?
*October 17, 2014*

**english**

which of these is an example of direct characterization The students gasped at the teachers tremendous height Mr Lightner is cruel and is no friend to animals Sasha hid the toys Melissa plays tennis I chose the 3rd one
*October 5, 2014*

**English**

Identify the common noun in the sentence Every year Black Middle School host its annual Spring Fling I thought it was year maybe
*October 5, 2014*

**AP European History**

I have to write an essay and the instructions are Analyze the economic, technological and institutional factors responsible for Western Europe’s domination of world trade from 1650-1800 I must have 2 examples for each of the three so far I have Economic: Mercantilism ...
*October 5, 2014*

**English**

Thank you!
*October 5, 2014*

**English**

I think the first one
*October 5, 2014*

**English**

Which of these is an example of direct characterization Treys voice remained calm as he shared the news Taya was well known for her good looks Marcus is shy and has difficulty speaking to a crowd
*October 5, 2014*

**Algebra**

Of 375 musicians some play only jazz band, some play only the marching band, some play both.If 250 play in the jazz band and 130 play in both, how many play in the marching band? My answer is 135
*October 4, 2014*

**Algebra**

It is travailing at 30 feet per second. Sorry
*October 4, 2014*

**Fraction**

One egg is 1/12 of a dozen. How many eggs is 3/4 of a dozen?
*October 2, 2014*

**Math**

A quart is one fourth of a gallon. Dan drank half a quart of milk. What fraction of a gallon did Dan drink?
*October 2, 2014*

**Math**

On what day in the year 1943 was the earth 300 000 minutes old? (give the month and day)
*October 1, 2014*

**Math**

Take the 9100 and add or subtract each of the numbers one by one. Ex 9100 + 1200 = 10,300 9100-900=8200 9100 + 1000 = 10,100 9100 - 800 = 8300 Add all the sums and divide by 4 = 9225
*September 29, 2014*

**Math**

Sorry Ms. Sue but I am confused does that include the 9100. I thought the want the average altitude should it be 925.
*September 29, 2014*

**Math**

Pat and Kelly went hiking in the mountains. They started at 9,100 ft. They climbed 1,200 ft the first day, descended 900 ft the second day, and climbed 1,000 ft the third day. On the fourth day they descended 800 ft. What was the average altitude at which they hiked?
*September 29, 2014*

**Physics**

This is a vector problem. A man starts at home and runs 5 miles north and then 5 miles in a direction 23 degrees south of west. Now he wants to go back home in a straight line. How far does he need to go and in what direction? so i found that the hypotenuse equals 5.4 miles ...
*September 23, 2014*

**English**

I have to write a 500-750 word essay using exemplification as a method of development. This is my first draft. Can someone proof read this for any errors and help let me know the areas that I need to work on. Do you think this is a good Exemplification Essay? my instructors ...
*September 16, 2014*

**English**

For one of my homework assignments I had to read 3 different narratives. I then had to choose one of the narrative essays that I had read and explain what the point is with that essay. Can you please read over my answer and let me know if their are any grammatical errors that ...
*September 16, 2014*

**Physics**

A body weighing 980N is moving with constant speed of 5 m/s on a horizontal surface. The coefficient of sliding friction between the body and the surface is 0.25. What horizontal pull is necessary to maintain the motion?
*September 10, 2014*

**English**

Can someone please help me proof read my paper and help me to know where my errors are and how I can better this paper? Is this good for a descriptive essay? Is their something I should elaborate more or less on? Are my paragraphs ok or do I need to shorten them? Any and all ...
*September 8, 2014*

**English**

I see it now; a narrative essay would explain/describe the complete process of childbirth. A descriptive essay would elaborate on maybe one aspect of childbirth, such as the contractions more in-depth; overly describing the contractions in every way, shape or form. Is their ...
*September 7, 2014*

**English**

I have to write a "Descriptive essay" for my composition class and I need help proof reading my essay. This is the third draft I have done. I had to cut out over 400 words. The essay can be no more than 750 words. That is exactly how many I have right now. I have ...
*September 7, 2014*

**math**

Zoe had a board 5 1/4 feet long. She cut off a piece. Now the board is 3 5/6 feet long. How long was the piece she cut off?
*September 5, 2014*

**English**

Look at the following sentences, which use the passive voice. Then rewrite each sentence in the active voice, and decide which version you prefer and why. 1. Mistakes were made. a. I made mistakes. 2. Musical legends such as Ray Charles, Billie Holiday, and Johnny Cash have ...
*September 3, 2014*

**English**

Revise the following sentences as needed to create pronoun-antecedent agreement and to eliminate the generic he and any awkward pronoun references. 1. While shopping for a new computer for school, I noticed that a laptop costs much less that they used to. a. While shopping for...
*September 3, 2014*

**English**

Sorry I forgot my answer to question 5. 5. In my previous job, I sold the most advertising spot and was given a sales excellence award. a. In my previous job, I was given the sales of excellence award for selling the most advertising spots.
*September 2, 2014*

**English**

34.1 Revise the following sentences to eliminate unnecessary shifts in tense, mood, voice, or person and number and between direct and indirect discourse. 1. The greed of the 1980s gave way to the occupational insecurity of the 1990s, which in turn gives way to reinforced ...
*September 2, 2014*

**HISTORY**

If you were one of the new immigrants who arrived in America in the 1880s, it's most likely that you would have been A. German and Lutheran. B. Italian and Catholic. C. Swedish and Protestant. D. Irish and Protestant. I AM BETWEEN A and D can you please help me ?
*August 28, 2014*

**Physics--check answers please**

1. Resolve an acceleration vector of 40m/s^2 [25 degrees E of S] into its components For this I got 17 as my x component and 36 as my y component 2. A player is positioned 35m [40 degrees W of S] of the net. He shoots a puoock 25m [E] to a teammate. What second displacement ...
*June 23, 2014*

**Math**

Hi, I need someone to check my work and I have a question. Polygon: pentagon Number of sides: 5 Smallest number of interior triangles: 3 Now, here's my question: Sum of degrees of the interior angles: ___*180=_____ degrees
*June 4, 2014*

**math**

Stuart estimates that he will need $25000 to set up a small business in 7years. Answer A=$10,926.92 Answer B=$14,073.08
*June 3, 2014*

**updated question**

I am given this data table: Time After Consumption (min): 30, 60, 90, 120, 150, 180 Amount of Codeine in Blood (mg): 27.0, 23.5, 21.2, 18.7, 16.6, 14.5 Question: I created a scatter plot of the data. Would y=3.5/30x+30.5 be an equation to model the amount of codeine in the ...
*June 2, 2014*

**Calculus Help**

I am given this data table: Time After Consumption (min): 30, 60, 90, 120, 150, 180 Amount of Codeine in Blood (mg): 27.0, 23.5, 21.2, 18.7, 16.6, 14.5 Question: I created a scatter plot of the data. How would I determine an equation to model the amount of codeine in the ...
*June 2, 2014*

**Math**

Draw a concave quadrilateral that is not an arrowhead
*May 28, 2014*

**Question**

what the condition in which a child is born with a third copy of one of its 23 sets of chromosomes
*May 24, 2014*

**biology Help **

The fertilized egg undergoes cell divisions that form a ball of cells during (A)__________. During (B)__________, the endoderm, ectoderm, and mesoderm form. All the tissues of the adult body will come from these three germ layers. Differentiation is the process where cells are...
*May 19, 2014*

**Physics**

A 2kg begins at the top of a 1m high frictionless, inclined plane on top of a 1.5m high table. If it is loaded onto a spring with spring constant 50N/m and compressed 10 cm from equilibrium and then released, how far from the edge of the table will the block land?
*May 9, 2014*

**Physics**

A cannonball is hot straight up from the edge of a cliff with an initial velocity of 30m/s. A second cannonball is shot straight downward from the edge of the same cliff with an initial velocity of -30m/s. How do the speeds of the two cannonballs compare when they reach the ...
*May 8, 2014*

**Physics**

Peter is shooting arrows at a target with a bow. The target is 10m above the arrows launch point and some distance from Peter. If the arrows are shot with initial velocity Vo at 60 degrees with respect to the ground, then they will hit the target at the highest point of their ...
*May 8, 2014*

**Physics**

I got the wrong answer. My answer key says the answer is 7m/s. t = sqrt(20/9.8) = 1.428 d = 1/2(9.8)(1.428)^2 = 10 d*t = 14.28 What am I doing wrong?
*May 8, 2014*