Monday

April 21, 2014

April 21, 2014

Total # Posts: 256

**physics**

A model airplane of mass 0.7 kg is attached to a horizontal string and ﬂies in a horizontal circle of radius 5.6 m, making 1.6 revolutions every 7 s. (The weight of the plane is balanced by the upward “lift” force of the air on the wings of the plane.) The acc...

**physics**

An air puck of mass 0.33 kg is tied to a string and allowed to revolve in a circle of radius 1.12 m on a horizontal, frictionless table. The other end of the string passes through a hole in the center of the table and a mass of 1.1 kg is tied to it. The suspended mass remains ...

**Chemistry**

What is the value of Kp for the reaction: NO2(g)+CO(g)->NO(g)+CO2(g) Given the following information: 2NO2(g)->NO3(g)+NO(g) Kp=2.72x10^(-4) 2NO2(g)+2CO2(g)->2NO3(g)+2CO(g) Kp=5.73

**Math**

Got it. 4/5 is the answer. I'm making this probability problems harder than it should be. Thanks!

**Math**

I need help with the second question: A student is taking a multiple choice exam. There are five possible answers for each question. What is the probability the student will answer the first question correctly? Answer is 1/5 What is the probability that the student will answer...

**Math**

I'm not sure of the second question. I understand the 1/5 chance of answering correctly but I'm not sure of the probability of answering incorrectly. Would it be 1 - 1/5?

**Math**

A student is taking a multiple choice exam. There are five possible answers for each question. What is the probability the student will answer the first question correctly? What is the probability that the student will answer the first question incorrectly?

**statistics**

A student is taking a multiple choice exam. There are five possible answers for each question. What is the probability the student will answer the first question correctly? What is the probability that the student will answer the first question incorrectly?

**Math**

A car dealer carries out the following calculations. What is the annual percentage rate? (Round your answer to the nearest tenth.) List price $ 5,368.00 Options $ 1,625.00 Destination charges $ 200.00 Subtotal $ 7,193.00 Tax $ 431.58 Less trade-in $ 2,932.00 Amount to be finan...

**GEOGRAPHY**

According to the estimate in 2001 which country ranks first in population then second then third?

**American History**

Which is most accurate regarding the American political climate between 1876 and 1896?

**English**

Based on what you know about him so far, describe Jim. What kind of a man is he? Why is he the kind of man he is?

**English**

Describe the role that Huck’s conscience plays in the first half of Twain’s novel.

**english**

How does the issue of slavery become a concern in Huck's life? How does Huck deal with this controversial issue?

**english**

How does Huck display imagination, intelligence, creativity, and a sense of humor in the first half of Twain’s novel?

**English**

Identify and describe Huck’s opinions of “sivilization,” education, and religion.

**cja 105**

Chief Draper has noticed that the behavior of many of his officers reflects a lack of understanding of many basic criminal justice concepts. Last week, he received a complaint about a patrol officer with ten years of experience on the force. The complaint alleged that the offi...

**spanish **

do anyone have the answer for penn foster exam 38981200 part 4 comprehension

**spanish **

do anyone have the answer for penn foster exam 38981200

**physics**

a cylinder of diameter 1cm at 30degree celcius is to slid into a hole on a steel plate. the hole has a diameter of 0.9997 cm at 30 degree celcius. to what temperature must be the plate be heated when steel has the alpha 1.1X10^-5/degree celcius

**Literacy 2**

where would you check the definition in the book.

**Finance**

a corporation had year end 2004 and 2005 retained earnings balances of $320,000 and $400,000, respectively. The firm reported net profits after taxes of $100,000 in 2005. the firm paid dividends in 2005 ofwhat

**statistics**

(714+751+664+789+818+779+698+836+753+834+693+802)/12 = 760.97 Answer: No, 760.97 does not equal to 678 Add all numbers then devide by the number of the above numbers (we have 12 in total) and that will give you a mean.

**Math**

write the logarithmic equation in exponential form log0.001=-3

**General Education Statistics | MAT112**

There are many ways people can invest their money. In mutual funds, the investor buys shares in a fund that buys investment instruments for the investor, commonly stocks, bonds, or fixed instrument investments. Investment fund managers commonly advertise their success in gener...

**averages**

if you had the nos 3,19,20,37,48 out of 50 on another draw what. Would the results of another draw be

**math **

Trying to solve the number 91 how 1,3,4,6 can be used once using add,sub,mult,divide and symbols

**Chemistry**

How do I find the pH of pure neutral H2O at o degrees celsius by using standard enthalpies and standard entropies

**soc 110**

a. In urban areas across our country, identify at least three technologies that Americans have become dependent upon in their daily lives. b. Using the technologies that you described in (a), discuss at least one advantage and one disadvantage that people in large cities exper...

**Finance**

What is a significant disadvantage of the payback period? a. does not properly consider the time value of money, b. Is complicated to explain, c. Increase firm risk, or d.Provides a measure if liquidity.

**Spanish **

spanish exam 38981200 comprehension

**computer programming**

Design a program that asks the user to enter a nonegative integer and then display the factorial of that number- it can be a flowchart or pseucode

**PHYSICS**

Two objects are connected by a massless string as shown in the figure below. The pulley is massless and rotates without friction. The object of mass m = 1.7 kg slides without friction on an inclined plane which makes an angle of è = 38° with the horizontal. The obje...

**PHYSICS**

A proton is traveling to the right at 231 km/s. It has a head-on perfectly elastic collision with a carbon atom. The mass of the carbon atom is 12 times the mass of the proton, what is the speed of proton after the collision?

**math**

Two events are _________ if the outcome or occurrence of the first affects the outcome or occurrence of the second so that the probability is changed. Please Help Me . !

**Business**

Which economic system is the best solution for handling a crisis of epic proportion?

**College Math 3**

Lisa will rent a car for the weekend. She can choose one of two plans. The first plan has an initial fee of $53.98 and costs an additional $0.15 per mile driven. The second plan has an initial fee of $67.98 and costs an additional $0.10 per mile driven. How many miles would Li...

**Business/Economics**

What is strengths and weaknesses regarding monetary polcies, and how is related to treasury bill and note rates?

**Business/Economics**

As regards to federal reserve what is the success in the cost and availability of credit today? and what could be handled differently?

**computers**

What are contributing factors if you were in the market for commercial paper prior to a final purchase?

**Computer class**

how do I design a program using a flowchart, the program needs to compute state and county sales tax? It is suppose to compute it once the user enters amount of purchase

**MA 132**

what numbers make up the mode and mean of 80 and a median of 85?

**statistics**

GMAT and GPA Scores for 12 MBA Students Compute the covariance and the determination and interpret your findings. GMAT- 599 689 584 631 594 643 MBA GPA- 9.6 8.8 7.4 10.0 7.8 9.2 GMAT- 656 594 710 611 593 683 MBA GPA- 9.6 8.4 11.2 7.6 8.8 8.0

**geography**

wracking the internet 4 another one.... what's the highest mountain range in the mid east?

**geography **

is the answer sea of Marmara,Aegean Sea, Meditteranean Sea, Red sea, Persian Gulf, gulf of Oman and the Arabian Sea? thanx

**geography**

which 7 bodies of water do you pass through in order to get to Abadan from Istanbal by ship

**math**

Given the expression (3s-4)(4s+5), explain in words the steps taken to completely simplify the expression

**math - statistics**

Football team makes in average 2 touchdowns per game. Use Poisson distribution to find probability that this team will make 5 touchdowns in the next 3 games (adjust ë) Tip: use Poisson Appendix Table or Excel function Poisson(x, ë, false) for x=5 and ë = 2*3 = 6...

**statistics - math**

Sixty percent of the students at a particular community college are female. If 13 students at that community college are selected at random, find the probability that 5 or 6 students will be female. Use Appendix Table or Excel function for Binomial distribution. [Remember from...

**statistic**

Quiz has 6 questions. Each question has five possible answers, only one of each 5 answers is correct. If student randomly guesses on all six questions, what is the probability to answer 2 questions right? Tip: first, you have to define parameters of Binomial distribution: n - ...

**Algebra**

I am stuck and hope that you can help me... How do I solve 3x^2-x-4=0 by completing the square? Thank you so much!

**general psychology**

I do not understand what it is asking for so can u guide me in the right direction by helping me get started

**general psychology**

What possible factors could be causing workplace stress for Felicia? Identify and explain methods she could use to cope with these sources of stress. Write your observations in a report.

**stat**

a credit card company estimated that 62% if its customers are males. The company is considering a randomly selected sample of five people.

**bus475**

One characteristic of an oligopoly market structure is:

**Physics Urgent!!!!!!**

A container of volume 20.5 cm3 is initially filled with air. The container is then evacuated at 0oC to a pressure of 19 mPa. How many molecules are in the container after evacuation if we assume that air is an ideal gas?

**St. Martin**

A container of volume 20.5 cm3 is initially filled with air. The container is then evacuated at 0oC to a pressure of 19 mPa. How many molecules are in the container after evacuation if we assume that air is an ideal gas?

**Quantitative Literacy | MAT106 VG **

Pick four cities and divide them into pairs. Use the Internet to find the length of the circle between the first pair of cities. You might try using the site Great Circle Mapper or a similar Web site to help you. Estimate the great circle path between other pair of cities. Ex...

**Quantitative Literacy | MAT106 VG **

Pick four cities and divide them into pairs. Use the Internet to find the length of the circle between the first pair of cities. You might try using the site Great Circle Mapper or a similar Web site to help you. Estimate the great circle path between other pair of cities. Exp...

**leadership,management and ethics**

power point presentation

**math**

7rs&s

**Algebra-please check**

Thank you- I just wanted to double check

**Algebra-please check**

What is the solution for absolute value of -1 + x = 5 I think the two solutions are x = 6 and x = (-4)

**Math-Algebra-Please check**

Thank you

**Math-Algebra-Please check**

Thank you-I appreciate it- I posted another- could you just check it to make sure I got this concept.

**Math-Algebra-Please check**

Thank you-I appreciate it- I posted another- could you just check it to make sure I got this concept.

**Math-Algebra-Please check**

What is the solution of 3 times the absolute value of x + 5 <= 6 I think the answer is x <= - 3 and x >= -7 If I'm not right, could you tell me why?

**1st grade**

my 1st grader is completing his homework it says write a problem for the picture and it has a picture of 2 bones and 3 dogs what kind of answer are they looking for?

**statistics**

3. Indicate whether the given statement could apply to a data set consisting of 1,000 values that are all different. a. The 29th percentile is greater than the 30th percentile. b. The median is greater than the first quartile. c. The third quartile is greater than the first qu...

**statistics**

3. Indicate whether the given statement could apply to a data set consisting of 1,000 values that are all different.

**english**

4 sentencesthat use a pronoun consistent

**5th grade math**

22 x n is between 80 and 85

**composition**

5 sentences with both past and present verb tense about the role of education in sucessful financial planning

**math 116**

In 1991, the life expectancy of males in a certain country was 72.8 years. In 1995, it was 75.9 years. Let E represent the life expectancy in year T and let T represent the number of years since 1991. The linear function E(t) that fit the data is E(t)=___T+___(Round to the nea...

**math 116**

solve by the elimination method. 7r-3s=53 3r+7s=31 What is the solution of the system?

**FRACTION MATH**

3 1/3 - 2 2/5 + ?

**Popular American Culture**

Prepare a 350 to 700-word paper in which you examine trends in popular American culture. In your examination, be sure to describe at least one trend from the following areas: a. Social b. Political c. Personal d. Religious

**business**

• The acquisition cost is $35,000 paid at the time of installation. • It reduces the wait staff by one person: Figure $10 per hour, or 2020 hours per year + 18% benefits. • Money costs are 7% • The system may become obsolete in three years. a. Identify the ...

**accounting**

Explain, with examples, the internal controls which you would expect the partnership to maintain.

**help**

NO YOUR WRONG I JUST LEARND THIS TODAY ENGLISH IS THE ONLY LANGUAGE I KNOW

**help**

sorry "On Oklahoma homesteads were not always easy as a person who finds new places"

**help**

paraphrase this sentence "life for pineers on Oklahoma homesteads was not always easy"

**GEOGRAPHY**

the central location of india at the head of the indian ocean is considered of great significance?????????????????

**chemistry**

2NH3+H2SO4---> (NH4)2SO4 Calculate the mass of ammonia required to produce 125g of ammonium sulfate.|:

**College Alegbra**

Trying to figure out the problem in this word proble. The cost, in million of dollars to remove 75% of the pollution in a lke model by c+6000/200-2x?

**college**

I have this very question and I am in my last year of college taking math as my last class after 4 years of college because it is challenging for me so that statement is incorrect it is a COLLEGE question!

**Alegbra**

Suppose it takes 3 days for a space vehicle to travel from earth to the moon. How long for the same vehichle and the same speed to reach Jupiter? Moon distance from earth is 240,000 miles. Jupiter distance from earth is 391,000,000 miles

**Algebraic expressions**

Please can you give me an algebraic expression for the following I am litterally racking my brain on this, please Rita has $315 in the bank. This amount is three times the amount that Fred has. How much does Fred have? Use f to represent Fred's amount

**Algebraic expressions**

Please can you give me an algebraic expression for the following I am litterally racking my brain on this, please Rita has $315 in the bank. This amount is three times the amount that Fred has. How much does Fred have? Use f to represent Fred's amount

**Math**

Find an equation of the line that passes thru the given point and has the given slope Express ur answer in slope-intercept form. (8,0), m=-3

**Math**

Write Each equation in slope-intercept form then identify the slope and the y-intercept for each line 2x-y=12

**math**

Write the equation with the given slope and the given y-intercept 1. slope -2/3, y-intercept (0,5) 2. slope 5/6, y intercept (0,1/3)

**math**

60.95

**Science**

I do not understand your question. Do you mean sugar water?

**Algebra**

Trains A and B are traveling in the same direction on parallel tracks. Train A is traveling at 60 mph, train B is traveling at 70 mph. Train A passes the station at 10:15pm. If train B passes the same station at 10:45pm at what time will train B catch train A? __:__ (am/pm) st...

**College Algebra**

Thank you again Ms. Sue for your help..math makes me crazy :)

**College Algebra**

okay..I drew the rectangle..18*2=36 length. The widths must make the perimeter greater than 78 cm.. I took 78-36 to get 42 and divided it by 2 for the two width sides and got 21. You stated that the width must be shorter than the length..21 cm is not shorter than 18 (Length).....

**College Algebra**

..so I want to multiply 18 by two to get 36? I got that..I am stuck on the area that says "what widths will make the perimeter greater than 78 cm?"..I appreciate your response, but am still confused..math is my downfall for sure. Is my final answer of 42 correct or d...

**College Algebra**

The length of a rectangle is fixed at 18 cm. What widths will make the perimeter greater than 78 cm.? *widths must be greater than __cm. I have been working at this for two hours and even after reviewing my readings I am just as confused as ever.

**algebra **

Area of a square find a polynominal A(X) that represents the area of the shaded region u have a square with an arrow pointing left and right at top of the square with x @ the top and a arrow up and down on the right side of the square.The #3 on the right and left of the square...

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