Monday
October 20, 2014

Posts by chris


Total # Posts: 2,210

Physics
A 10 kg box is held 2 meters up a ramp that is inclined at 35 degrees. It is released frpm rest, slides down the ramp and across the floor. the coefficient of friction is 0.15. How far along the floor will the box slide?
October 8, 2014

Social Studies
thanks Ms. Sue
October 7, 2014

Social Studies
which of the following best describes the purpose of the U.S constitution? A. It restricts rights of citizens. B. it outlines how the government should make laws. C. it establishes a national bank. D. it outlines basic rights for the people of all nations of the world. B
October 7, 2014

chemistry
1. A sample weighing 1.30 mg was analyzed to determine the concentration of a certain compound (FW =292.16 g/mol) using UV/Visible spectrometry. First, the sample was dissolved in 5.00 mL volumetric flask. A 1.00 mL aliquot was drawn up, placed in a 10.0 mL volumetric flask ...
October 2, 2014

Analog Electronics
A 50mV signal is applied to the base of a properly biased transistor with r'e=10ohms and RC=560ohms. Determine the signal voltage at the collector. In my text book for this section there are formulas Vb=Ier'e Vc=IcRC Vc=IeRC Do I take 50mV/560ohms to get Ic then take ...
October 1, 2014

Western civilization
What development marked the start of the Archaic Age in Greece?
September 29, 2014

eng
the chances of something that is going to happen to u is really small ex:death
September 28, 2014

eng
name something so small that you won't expect it to happen ex: death
September 28, 2014

math,algebra
(3^-1X^3)^2 x 12X^5 my work: 3/2X^6 x 12X^5= 36/2=18X^11 but the answer was 4/3X^11
September 23, 2014

Math
For N balls, m are black and the rest white,what is the probability that in the first n balls from N, 1 of them are black. Here m< N.
September 18, 2014

social studies check
Hernado de Soto's mission accomplishes its original objectives. True or False? I think true but I'm not sure
September 17, 2014

social studies check
Ok Thanks
September 17, 2014

social studies check
Which of the following most contributed to the decline of Native American culture following the arrival of the Europeans? A. warfare B. enslavement C. relocation D. disease I think D?
September 17, 2014

social studies check
So whats the answer?
September 17, 2014

social studies check
In which period of Native American history did permanent settlements develop for the first time? A. Paelo-Indian B. Archaic C. Woodland D. Mississipian Is the answer B?
September 17, 2014

social studies check
1. Which of the following is NOT a reason that Oglethorpe and the trustees wanted to start the colony of Georgia? A. to help the poor who could not pay their bills B. to help the englich economy C. to form large plantations D. to provide defense I think B?
September 17, 2014

Social Studies
srry A
September 15, 2014

Social Studies
Politics most informs a person's actions in? A.civic life B. work life C. private life D. school life
September 15, 2014

Social Studies
Pete's peanuts wants to grow its overall prouctivity.which investment would best help the company achieve this goal? A. a larger building to store its peanuts. B. better advertiements for its products. C. new uniforms for company employees. D. an improved roasting and ...
September 15, 2014

Social Studies
which of these actions would most help a worker improve her productivity? A. finding a new job in a different field. B. taking a training course related to her job. C. buying a laptop computer for home use D. asking her employer to give her a raise i think D
September 15, 2014

Social Studies
which of these people is an example of an entrepneur? A. Malia started selling jewelry she made in an online store. B. Liam found a summer job walking dogs in his neightborhood. C. Pavel worked hard to learn to speak a foreign language. D. Ophelia took classes in painting and ...
September 15, 2014

Social Studies
yes thanks
September 15, 2014

Social Studies
how are interest rates and wages similar? A. both rise due to inflation B. both are types of prices. C. both relate to the cost borrowing D. both are payment for work done i think B
September 15, 2014

Social Studies
how are interest rates and wages similar? A. both rise due to inflation B. both are types of prices. C. both relate to the cost borrowing D. both are payment for work done i think B
September 15, 2014

PHYSIC
what is the horizontal distance a slingshot on a 25 m cliff will shoot if it's initial velocity is 240 m/s and it's inclined at 45 degrees y = 25 + 9.8/(240cos45)^2) x^2 ? ^^would this be the right formula?
September 14, 2014

Science
If you are riding your bike and hit a curb and stop suddenly at 25m/s when you hit the curb and it took you only .75 seconds to stop after hitting the curb. What was your acceleration?
September 13, 2014

social studies check
what is the most likely effect on a person's income if he or she has little education and few skills? A. the person's income will vary greatly. B. the person's will earn a high income. C. the person's income will decline over time. D. the person's will earn...
September 12, 2014

Social Studies
Which of these goods and services is paid for with federal taxes? A. community roads. B. military bases C. public universities D. police protection. i think B
September 11, 2014

Social Studies
The government must provide some goods and services because? A. they are too expensive for entrepreneurs to provide. B. demand for them is greater then supply. C. private producers have no incentive to do so. D. not many people are interested in buying them. i think B
September 11, 2014

Chemistry - dilutions
The concentration of stain in the bottle was 5% and you added 100 microliters of it to 9.9ml of a buffer to make a working dilution of stain. You then combined 10 microliters of that diluted stain with 40 microliters of your diluted cells and put a few microliters of that ...
September 11, 2014

chemistry
at 17.9 degrees celsus ethyl ether has a vapor pressure of 400 torr. What is the mole fraction of ethly ether in a solution which has a vapor pressure of 380 torr, if the solute is non-volatile at 17.9 degrees celsus?
September 9, 2014

Statstics
Let's pretend the Work variable is normally distributed, with a mean/median/mode value of 22 and a standard deviation of 17. Based on these numbers, we can say that approximately 50 percent of SOC 390 students work more than ____ hours per week (round answer to the nearest...
September 9, 2014

P.E
in order to make healthy choice, you must learn to_________risks. A. ignore B. advocate for C. evaluate D. take more. i think its B
September 8, 2014

P.E
The way in which your emotions affect your physical and overall health is part of? A. setting goals B. heredity C. the mind-body connection. D. your cultural environment. I think its c
September 8, 2014

Statistics
Let's pretend the Work variable is normally distributed, with a mean/median/mode value of 22 and a standard deviation of 17. Based on these numbers, we can say that approximately 50 percent of SOC 390 students work more than ____ hours per week (round answer to the nearest...
September 8, 2014

Statistics
Let's pretend the Work variable is normally distributed, with a mean/median/mode value of 22 and a standard deviation of 17. Based on these numbers, we can say that approximately 68 percent of SOC 390 students work between ______ and ______ hours per week.
September 8, 2014

math proportions
what are you solving for? x?
September 8, 2014

geometry
1/8uw +1/8vw
September 7, 2014

P.E
B.
September 5, 2014

P.E
all of the traits passed biologically from parent to child are known as? A. risk factors. B. behavior. C. heredity. (D.) environmental influences.
September 5, 2014

Pre-Calc
The peak of a mountain is observed from the base and from the top of a tower 180 ft high. Find the height of the mountain above the base of the tower is the angles of elevation of the peak are 21 degree 35’ and 24 degree 48’
September 4, 2014

Math
How can you make 83c using only pennies, nickels,dimes ,or quarters
September 3, 2014

physics
A spherical shell is formed by taking a solid sphere of radius 20.0 cm and hollowing out a spherical section from the shell's interior. Assume the hollow section and the sphere itself have the same center location. a) If the hollow section takes up 90% of the total volume...
September 2, 2014

math
a man is 68 inches tall and casts an 8 foot shadow. A tree casts a 21 foot shadow, how tall is the tree
September 1, 2014

Science
Having scientic literacy involves being able to? A. ask scientific qustions. B. evaluate scientic information. C. understand scientific terms. D. all the above. i think C.
August 28, 2014

Science
help fastwhich of the following statements incorrectly describes a tool used by scientists? A. A compound light microscope enables a scientist to view objects too unaided eye to see. (B).A beaker is a type of glassware a scientist uses in the lab to record data. C. A scale is ...
August 28, 2014

Science
which statement best describes the benefit of having a universal system of measurement? A. Scientists from different counties can more easily shared and compare data from experiment. B. Scientists who speak difference languages do not have to translate each others work into ...
August 28, 2014

Science
which statement best describes the benefit of having a universal system of measurement? A. Scientists from different counties can more easily shared and compare data from experiment. B. Scientists who speak difference languages do not have to translate each others work into ...
August 27, 2014

Science
which of the following describes scientific inquiry?(1 point) A.a statement that describes what scientists expect to happen in experiment. B.facts,figtures,and other evidence gathered through observation. (C).the diverse ways in which scientists study the natural world. D.a ...
August 27, 2014

Science
which of the following describes scientific inquiry?(1 point) A.a statement that describes what scientists expect to happen in experiment. B.facts,figtures,and other evidence gathered through observation. (C).the diverse ways in which scientists study the natural world. D.a ...
August 27, 2014

P.E
Visiting your doctor for regular check-ups is an example of which step you might take to meet take to meet your health goals? A. gain awareness. (B). gain knowledge. C. build health skill. D. set goals.
August 26, 2014

P.E
100 % i know is it D
August 26, 2014

P.E
Ms.Sue is it c.
August 26, 2014

P.E
Your friend spends most of his free time eating junk food and playing games on the computer. which way on the health continuum is moving? A. wellness B. long life expectancy C. illness D. obesity i think A
August 26, 2014

P.E
thanks
August 26, 2014

P.E
The health triangle is made up of(choose all that apply)? 3 points A. Monetary health. (B.) social health. (C.) physical health. (D.)mental and emotional. thats what i think. help fast. choose three.
August 26, 2014

math
kevin has a rabbit,a ferret, a gerbil, and a turtle.he feeds them in a different order each day.in how many different orders can kevin feed his pets?
August 25, 2014

math
kevin has a rabbit,a ferret,a gerbil,and a turtle.he feeds them in a different order each day.in how many different orders can kevin feed his pets?
August 25, 2014

math
yancey collects plastic banks.he has three different banks:a pig,a cow,and a horse.how many wayscan yancey arrange his banks on a shelf
August 25, 2014

Physics
The speed of an arrow fired from a compound bow is about 57 m/s. An archer sits astride his horse and launches an arrow into the air, elevating the bow at an angle of 54 above the horizontal and 2.3 m above the ground. What is the arrow's range?
August 22, 2014

math
32 gal/min = qt/h
August 21, 2014

physics
A toy rocket, launched from the ground, rises vertically with an acceleration of 32 m/s^2 for 4.1 s until its motor stops. Disregarding any air resistance, what maximum height above the ground will the rocket achieve? The acceleration of gravity is 9.8 m/s^2. Answer in units ...
August 17, 2014

math
2 times{(300-90 divided by 5)-[3 times 26-(8-2 times 3
August 16, 2014

math
Thanks. Thats what I thought.
August 13, 2014

math
If A is 25% more than B, the B is ? less than A. A. 10% B. 15% C. 20% D. 25%
August 13, 2014

physics
an object moving on the x axis with a constant acceleration increases its x coordinate by 108 m in a time of 9.5 s and has a velocity of 20 m/s at the end of this time. Determine the acceleration of the object during this motion?
August 10, 2014

Physics
A train is moving parallel and adjacent to a highway with a constant speed of 28 m/s. Initially a car is 29 m behind the train, traveling in the same direction as the train at 42 m/s and accelerating at 3 m/s^2. What is the speed of the car just as it passes the train?
August 8, 2014

College math
Express the following in terms of Sum(or differnece) of logarithm's: log sub-b T^5 W^2 Z
August 2, 2014

College math
Convert to an exponential equation: -In45=3.80666249 and -Log sub.B T^5=W
August 2, 2014

math
Four students at a computer fair competed against each other in a space-travel game. Chris scored 2/3 as many points as the winner Pat. Rich scored 1/2 as many points as Chris. Tome scored 100 points, which was 90 points less than Rich's score. How many points did Pat score?
August 1, 2014

math
How many cubic yards of concrete are needed to make 1200 square concrete posts 9 inches by 9 inches by 6 feet?
August 1, 2014

math
Lisa can make a costume twice as fast Justin can. If they both work together, they can make it in 8 hours. How long will it take Mary to make the costume if he works alone?
July 30, 2014

math
Sam had a total of 80 foreign stamps and local stamps combined. After giving away 1/3 of his foreign stamps and 10 local stamps, he had an equal number of foreign stamps and local stamps left. How many local stamps did he have in the beginning?
July 30, 2014

math
Sue left her home at 6 A.M. driving her car at the rate of 50 miles per hour. At 8 A.M. her brother Kevin drove after her along the same highway, traveling at the rate of 60 miles per hour, in how many hours did Kevin pass Sue.
July 29, 2014

College Algebra
Hello Damon, thanks a lot. But it says incorrect.
July 25, 2014

College Algebra
Hello Bobpursley, it still didn't work. it says wrong answer. Thanks
July 25, 2014

College Algebra
Hello Steve, it didn't work for "t" i can't get the actual value... Find the time required for an investment of 1 dollars to grow to 7200 dollars at an interest rate of 7.5 percent per year, compounded quarterly
July 25, 2014

College Algebra
1.Give a quadratic function q(x) with a vertex of (-1, 2). 2. Give a function h(x) which does not have an inverse function. 3. Give a polynomial function g(x) with zeros 1,2,3 4. Give an exponential function s(x) passing through (0,2) and (4,1). 5. Give a rational function R(x...
July 25, 2014

College Algebra
Find the time required for an investment of 1 dollars to grow to 7200 dollars at an interest rate of 7.5 percent per year, compounded quarterly
July 25, 2014

math
For the following pair of functions, f(x)-x+2, g(x)-√x-1 find each of the following and state its domain: a.) find (f+g)(x) b.)find (f-g) (x) c.) find (fg)(x) d.) find (ff)(x) e.)Find (f/g)(x)
July 21, 2014

Calc
Find the absolute maximum and minimum values of each function on the given interval. f(x)=x(e^-x)
July 17, 2014

Work Ethic
How do I work efficiently without getting distracted?
July 16, 2014

history ,geographic, maths literacy and business studies
what can I do after matric with these subjects
July 3, 2014

Chemistry
A student synthesized 6.895 g of barium iodate monohydrate, Ba(IO3)2*H2O by adding 30.00 mL of 5.912 x 10-1 M barium nitrate, Ba(NO3)2, to 50.00 mL of 9.004 x 10-1 M sodium Iodate, NaIO3 whats the percent yield?
June 30, 2014

statistics
2. A researcher measures the heart rate in a population of runners and finds they have an average heart rate of µ = 50, σ = 5. You do not need to show a graph, only computation work. 2A. Based on the average heart rate cited above, what proportion would we expect to...
June 27, 2014

physics
as Sue runs, her knee joint passes through the following vertical positions (meters): Frame 1: .043 Frame 2: .145 Frame 3: .21 Frame 4: .39 Frame 5: .415 The data were collected at a frequency of 100 Hz. What was the vertical velocity of her knee joint at the 2nd time point?
June 15, 2014

english
6.read the following line from poes "The Raven" "Doubting, dreaming dreams no mortal ever dared to dream before" Which poetic device does poe use in this line? a. alliteration b. metaphor c. personification d. simile
June 12, 2014

Math
If a vehicle travels 1320 feet in seven seconds from a dead stop , how long does it take for that same vehicle to travel 1313 feet from a dead stop ?
May 26, 2014

geometry
54
May 23, 2014

Language Arts
2.2 3.3
May 23, 2014

Language Arts
1. Electric lighting was a novelty before it became (1 point) unusual. common.* expensive. 2. Read the following paragraph from “The Electric Summer”: "That thrilled me, and scared me. The great world seemed to swing wide like the gates of the Fair, and I didn&#...
May 23, 2014

Anthropology!!!
What is the function or purpose of kinship systems, particularly descent groups and terminology naming practices? Why is the study of kinship in general so important to the study of anthropology? (what is the relationship?) the only part that I am confused is the terminology ...
May 12, 2014

Anthropology!!!
What aspects do anthropologists look at when they study political systems? Describe the types of societies, as well as the role of power and social control. I have no idea about what this question is asking Help me please Thank you
May 12, 2014

English Help Please!!!
In a Forbes magazine article from October 2013 Susan Adams wrote of a survey done by the National Association of Colleges and Employers from Bethlehem, Pa. From early August to mid-September that year they asked 200 hiring managers what skills they prioritize when they hire ...
May 10, 2014

Anthropology!!!
Can you explain this question for me so I can start writing? Or give me some examples to start? Thank you!
May 9, 2014

Anthropology!!!
Discuss the mechanisms of culture change. How can anthropology help one maintain a balanced perspective in a changing world?
May 9, 2014

Math
The teacher gave this pattern to the class: the first term is 5 and the rule is add 4, subtract 1. Each student says one number. The first student says 5. Victor is tenth in line. What number should Victor say?
May 7, 2014

Math
A carpenter has several boards of equal length. he cuts 3/5 of each board. After cutting the boards, the carpenter notices that he has enough pieces left over to make up the same length as 4 of the original boards. How many boards did the carpenter start with?
May 7, 2014

math
Chad buys peanuts in 2 pound bags. He repackages them into bags that hold 5/6 pound of peanuts. How many 2 pound bags of peanuts should Chad buy so that he can fill the 5/6 pound bags without having any peanuts left over?
May 7, 2014

Chemistry
The heat of solution of ammonium chloride is 15.2 kJ/mol. If a 6.187 g sample of NH4Cl is added to 65.0 mL of water in a calorimeter at 26.5°C, what is the minimum temperature reached by the solution? [specific heat of water = 4.18 J/g°C; heat capacity of the ...
May 5, 2014

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