Posts by Chris

Total # Posts: 2,765

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.

math
5.4%

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

social studies check
Ok Thanks

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?

social studies check
So whats the answer?

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?

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?

Social Studies
srry A

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

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 ...

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

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 ...

Social Studies
yes thanks

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

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

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?

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?

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...

Language Arts Answer check PLEASE
whats the anser

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

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

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 ...

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?

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...

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

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

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...

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.

math proportions
what are you solving for? x?

geometry
1/8uw +1/8vw

P.E
B.

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.

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’

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

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...

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

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.

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 ...

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 ...

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 ...

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 ...

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 ...

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.

P.E
100 % i know is it D

P.E
Ms.Sue is it c.

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

P.E
thanks

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. that's what i think. help fast. choose three.

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?

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?

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

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?

math
32 gal/min = qt/h

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 ...

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

math
Thanks. That's what I thought.

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

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?

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?

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

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

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?

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

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?

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?

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.

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

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

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

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...

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

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)

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

Work Ethic
How do I work efficiently without getting distracted?

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

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?

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...

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?

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

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 ?

geometry
54

Language Arts
2.2 3.3

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&#...

math
30

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 ...

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

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 ...

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

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

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?

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?

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?

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 ...

Chemistry
Okay. Thanks for clarifying the problem for me.

Chemistry
Do I already know the final temp of the nickel because I don't know where to start even though you have given me the equation.

Chemistry
Would I have to rearrange the equation to solve for the final temp of the water?

Chemistry
A 271-g sample of nickel at 94.1°C is placed in 100.0 mL of water (density = 1.00 g/mL) at 23.9°C. What is the final temperature of the water? [Assume that no heat is lost to or gained from the surroundings. Specific heat capacity of nickel = 0.444 J/(g·K) and ...

Chemistry
Given the thermochemical equation 2SO2 + O2 → 2SO3, ΔH°rxn = -198 kJ/mol, what is the standard enthalpy change for the decomposition of one mole of SO3?

Chemistry
Given 2Al(s) + 3/2O2(g) → Al2O3(s), ΔH°f = -1,670 kJ/mol for Al2O3 (s). Determine ΔH° for the reaction 2Al2O3(s) → 4Al(s) + 3O2(g).

  1. Pages:
  2. <<Prev
  3. 1
  4. 2
  5. 3
  6. 4
  7. 5
  8. 6
  9. 7
  10. 8
  11. 9
  12. 10
  13. 11
  14. 12
  15. 13
  16. 14
  17. 15
  18. Next>>