Tuesday
October 21, 2014

Posts by Bob


Total # Posts: 2,433

statistics
28
October 24, 2012

statistics
47
October 24, 2012

physics
518.94 J
October 24, 2012

Math
A cattle train left Miami and traveled toward New York. 14 hours later a diesel train left traveling at 45km/h in and effort to catch up to the cattle train. After traveling for four hours the diesel train finally caught up. What was the cattle train's average speed?
October 23, 2012

Physics
89N
October 21, 2012

ap chemistry
Carbon monoxide reacts with oxygen to form carbon dioxide by the following reaction: 2CO + O2 yields 2CO2 Delta H for this reaction is -135.28 kcal. If 811.7 kcal is released, how many moles of CO must have reacted? 1). 270.5 mol 2). 40.5 mol 3). 12.0 mol 4). 5.41 mol 5). 16.3...
October 18, 2012

Algebra
"If 3 people can do a job in 5 days, how many days will be needed if 4 people do the same job?"
October 16, 2012

physics
In a Broadway performance, an 80 kg actor swings from a 3.75 m long cable that is horizontal when he starts.? At the bottom of his arc, he picks up his 55.0 kg costar in an inelastic collision. What maximum height do they reach after their upward swing?
October 16, 2012

math
i am a 3-digit number divisible by 3. my tens digit is 3 times as great as my hundreds digit, and the sum of my digits is 15. if you reverse my digits, i am divisible by 6 as well as 3
October 15, 2012

SOC 101
soc 101 In most developed nations health care is?
October 13, 2012

biology
what is the relationship between interactions and interdependence
October 13, 2012

physics 100
Bob, who has a mass of 60 , can throw a 800 rock with a speed of 26 . The distance through which his hand moves as he accelerates the rock forward from rest until he releases it is 1.0 . a) What constant force must Bob exert on the rock to throw it with this speed? b)If Bob is...
October 13, 2012

science
if 25 ml of sugar is mixed with 299 ml of water and then 50 ml of water is poured out, how much sugar remains in the 150 ml of wtare?
October 10, 2012

statistics
The HR department of an organization collects data on employees' age, salary, level of education, gender, and ethnicity. Which data is more likely to follow normal distribution? Why?
October 10, 2012

Science
How many grams of ammonium nitrate is equivalent to 1 gram of calcium nitrate
October 9, 2012

english
oiasdhoashduashdasuhdaiuhdiusahdiusadhuaisdhuisahdaisudhaiushd
October 9, 2012

7th grade masth asap hurry plz ms.sue somebody plz
My gosh really Anonymous WOW what a freaking snitch she wasn't asking for the answer she was asking how to do it and you know what I'm guessing you Google searched the answer because why else would you be here and heck even if she was cheating i bet you she's ...
October 8, 2012

chemistry
37
October 5, 2012

physics
If a car is traveling at a constant speed of 15 meters per second, goes off a cliff, and needs to land 100 meters from the cliff, how high is the cliff?
October 4, 2012

math
Suppose that you have $12,500 to invest over a 4 year period. There are two accounts to choose from: 4.5% compounded monthly or 4.3% compounded continuously. a. Write the formula for the first account’s compound interest for n compounding per year. b. Write the formula ...
October 3, 2012

math
The Concord Community Park Association receives a $10,000 donation from an anonymous donor who stipulates that before using the funds to improve the park, they must invest the money until it has doubled in value. The Park Association decides to invest the money in an account ...
October 3, 2012

math
China .8% Ethiopia 2.8%
October 3, 2012

chemistry
Nitric acid reacts with silver metal: 4HNO3 + 3Ag -> NO + 2H2O + 3AgNO3. Calculate the number of grams of NO formed when 10.8 g of Ag reacts with 12.6 g HNO3
October 2, 2012

history
What are three good points to talk about in a research paper about child labor in the 1800s? 10th grade level please.
October 1, 2012

7th grade math help quick please
you go to connctions academy cheater!
October 1, 2012

pyshic
A car has a mass of 1.35 × 103 kg. If the force acting on the car is 6.82 × 103 N to the east, what is the car’s acceleration? Answer in units of m/s2
September 30, 2012

yolo
gajkwh;reg
September 30, 2012

physics
a toy car runs off the edge of a table that is 1.225 m high. if the car lands .400 m from the base of the table (A) how long does it take for the car to fall and (B) what is the horizontal velocity of the car?
September 30, 2012

7th grade math questions Scientific Notation
GIVE ME A D E R P DERP!
September 28, 2012

7th grade math - Scientific Notation basics
HEY YOU GO TO CONNECTIONS ACADEMY! this is cheating
September 27, 2012

math
I am a number between 50 and 60.One of my factors is 28.What number am I?
September 24, 2012

us history
what do the following have in common? indentured servants indigenous slaves
September 23, 2012

us history
Which of the following is not like the other? Cortes, Pizarro, Champlain, and Ponce de Leon
September 23, 2012

physics
The pilot of an aircraft wishes to fly due west in a 42.7 km/h wind blowing toward the south. The speed of the aircraft in the absence of a wind is 204 km/h.
September 23, 2012

chemistry
what is the name of the compound C2H4?
September 22, 2012

chemistry
what is name of the compound P2S5? is it phosphorous pentasulfide?
September 22, 2012

chemistry
chemical formula for potassium hydrogen sulfide? is it KHS?
September 22, 2012

Physics
A duck has a mass of 2.8 kg. As the duck paddles, a force of 0.09 N acts on it in a direction due east. In addition, the current of the water exerts a force of 0.20 N in a direction of 47° south of east. When these forces begin to act, the velocity of the duck is 0.12 m/s ...
September 21, 2012

Physics
A duck has a mass of 2.8 kg. As the duck paddles, a force of 0.09 N acts on it in a direction due east. In addition, the current of the water exerts a force of 0.20 N in a direction of 47° south of east. When these forces begin to act, the velocity of the duck is 0.12 m/s ...
September 21, 2012

History
What is moral law? What is civil law? Contrast the both. can someone name me anything relating to those from current events or historical events?
September 20, 2012

LA
Why are you saying thank you?
September 20, 2012

LA
what links the subject of the sentence with a description of the subject?
September 20, 2012

Chemistry
A 0.41 g sample of limestone was dissolved in HCl and all the calcium in the limestone was converted to Ca2+(aq). The solution was treated with excess ammonium oxalate, (NH4)2C2O4(aq), and it was found that 3.0 g of calcium oxalate, CaC2O4(s) was precipitated. Calculate the ...
September 20, 2012

Social studies
Why did mound builders build burial mounds
September 19, 2012

Science
Poop
September 19, 2012

Algebra 1
poop
September 18, 2012

Science
thank you
September 18, 2012

Science
I need an acrostic for RESPIRATION. Please help!!
September 18, 2012

physics
In baseball, a pitcher can accelerate a 0.15 kg ball from rest to 99 mi/h in a distance of 1.4 m. What is the average force exerted on the ball during the pitch?
September 17, 2012

chemistry
1. From Thomson's work, which subatomic particle do you think he would feel are most important for the formation of compounds? Why? 2. Of the remaining two other kinds of subatomic particles, which do you think would take second place in importance? Why? 3. Give three ...
September 17, 2012

Math Studies IB
I am trying finding whether men or women have better memory. I would like to do a chi-squared test, how would i lay it out and What other sophisticated processes can i do?
September 17, 2012

physics
A vector has a magnitude of 17.6 cm and makes an angle of 150.0° with the positive x-axis. What are the x- and y-components of this vector?
September 16, 2012

chemistry
I am stuck in the following in my homework. BaC/2 and Na2CO3 turns different colors when the same indicator is added to each? Why does this happen? How is the ph of each of these different? I have tried on this one and cannot get it. Thanks for our help. Bob
September 16, 2012

chemistry
I am stuck in the following in my homework. BaC/2 and Na2CO3 turns different colors when the same indicator is added to each? Why does this happen? How is the ph of each of these different? I have tried on this one and cannot get it. Thanks for our help. Bob
September 16, 2012

chemistry
I am stuck in the following in my homework. BaC/2 and Na2CO3 turns different colors when the same indicator is added to each? Why does this happen? How is the ph of each of these different? I have tried on this one and cannot get it. Thanks for our help. Bob
September 16, 2012

chemistry
Thank you Dr.! So sorry, I typed a slash instead of an l; too many hours at this. In looking at this, i get it now. Thank you for such a complete answer. Bob
September 16, 2012

chemistry
I am stuck in the following in my homework. BaC/2 and Na2CO3 turns different colors when the same indicator is added to each? Why does this happen? How is the ph of each of these different? I have tried on this one and cannot get it. Thanks for our help. Bob
September 16, 2012

Chemistry
jk
September 16, 2012

history
Does a propaganda poster have to be opposing the cause? for example, propaganda poster for the 2012 elections Would this work... If i made some kind of propaganda poster to make people want to vote for Obama? (like some vote for obama propaganda poster)...Of would that not ...
September 16, 2012

Math Help
1.b 2.d 3.a 4.d 5.b 6.c 7.b 8.a 9.b 10.b 11.b 12.b 13.d 14.b 15.c
September 14, 2012

math
2/3x3/5
September 13, 2012

Algebra
three numbers are such that the second is the difference of three times the first and 6 while the third is the sum of 2 and 2/3 the second. The sum of the three numbers is 172. Find the largest number.
September 13, 2012

i don't understand this math
4 is C
September 12, 2012

math
idk
September 11, 2012

science
jasie traveled 500m at a speed of 13 miles how long did it take her?
September 11, 2012

algebra
In 2000, 49% of the residents in a large city regularly used newspapers for getting news and this has decreased at an average rate of approximately 1.3% per year since then. Find a linear function in slope-intercept form that models this description. The function should model ...
September 11, 2012

Math
write a number that rounds to 47,000 when rounded to the nearest thousand and to 50,000 when rounded to the nearest ten thousand.
September 8, 2012

Chemistry
A
September 8, 2012

physics
You drop a stone into a deep well and hear it hit the bottom 4.40 s later. This is the time it takes for the stone to fall to the bottom of the well, plus the time it takes for the sound of the stone hitting the bottom to reach you. Sound travels about 343 m/s in air. How deep...
September 5, 2012

Physics
A shopper pushes a cart 50 m south down one aisle and then turns 90.0° west and moves 19 m. He then makes another 90.0° turn and moves 13 m. (a) What is the largest possible displacement of the shopper? (b) What is the smallest possible displacement of the shopper? ...
September 4, 2012

Chemistry
If a soft-drink bottle whose volume is 1.50 is completely filled with water and then frozen to -10 , what volume does the ice occupy? Water has a density of 0.997 at 25 ; ice has a density of 0.917 at -10 . Could you also expain the steps as to how I would go about solving ...
September 4, 2012

social studies
which of these is not like the others 1.John Winthrop 2.James Oglethorpe 3.William Penn 4.Roger Williams I think that it would be John Winthrop because all the rest started colonies which later became state names but i don't think that is sufficient evidence
September 4, 2012

Math
You invested $14,000 in two accounts paying 5% and 9% annual interest, respectively. If the total interest earned for the year was $820, how much was invested at each rate?
September 4, 2012

physics
20km
September 3, 2012

physics
7920
September 3, 2012

Social Studies
Ms. Sue I only a few a few more sentences could you please help me?? I think oil is more important to Southwest Asia than water. It has increased their wealth and standard of living. It is also the main export in Southwest Asia and has provided work for many people.
August 28, 2012

Social Studies
sorry the second oil is supposed to be water
August 28, 2012

Social Studies
Why is oil more important than oil in the middle east and southwest asia? 5-7 sentences
August 28, 2012

health
??????
August 26, 2012

Statistics
An instructor has graded 25 exam papers submitted by students in a class of 26 students, and the average so far is 71. (The maximum possible score is 100.) A) To raise the class average by 1 point, the score on the last paper has to be:
August 25, 2012

biology
darkies
August 24, 2012

biology
dorkies
August 24, 2012

biology
sorry babe gosh
August 24, 2012

biology
slut
August 24, 2012

biology
kims a biotch
August 24, 2012

Science
please help
August 23, 2012

Science
Imagine you are a plant. How are you and your cells different than animals. 1/2 - 3/4 page
August 23, 2012

Alegebra 1
there are no equations
August 20, 2012

Algebra2
I'm Doing Problem 2 Right Now . But I'm Stuck How Did You Get 150 In the 3rd Line?
August 16, 2012

Algebra2
Help Please? 1.30√-25 x 8√-49 2. 6√-64 + 12√-36 3. 4√-13 - 6√-13
August 16, 2012

Algebra2
Help Please? 1.30√-25 x 8√-49 2. 6√-64 + 12√-36 3. 4√-13 - 6√-13
August 15, 2012

Math
Two airplanes at 25,000 ft above the ground are flying toward the same airport.Airplane A is flying due south towards the airport at 200 miles per hour.At 10:00 AM Airplane A is 700 miles from the airport,and Airplane B is 925 miles from the airport.How far are the two ...
August 14, 2012

Math
in a hardware store the ratio of shovels to rake is 3:5.If there are 10 more rakes than shovels how many rakes are there in the hardware store?
August 14, 2012

Math
the choices r 2 3 4 5 6
August 13, 2012

Math
When 17 is divided by k,where k is a positive integer less than 17,,the remainder is 3.What is the remainder when the sum of the possible values of k is divided by 17?
August 13, 2012

Math
If x<-x, then a)x>0 b)x<0 c)x=0 d)1/x>0 e)x^2<0
August 12, 2012

health
Are you sure ???
August 11, 2012

physics
two objects are thrown from the top edge of a cliff with a speed of 10 m/s. one object is thrown straight down and the other straight up. if the first object hits the ground in 4.0 second, the second hits the ground in ________ seconds after the first object.
August 9, 2012

Math
B?
August 9, 2012

Math
If a=3^2, b=1/a and c=b^4 then a) a>b>c b) a<b<c c) a<c<b d) c<a<b e) b<c<a
August 9, 2012

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