Tuesday

February 28, 2017
Total # Posts: 884

**Math**

Sum the first two odd numbers, then the first three, the first four, and so on. From these observations could you guess the sum of the first 100 odd numbers? So the first two odd numbers are

*March 9, 2013*

**physics**

A 240-kg boat is at rest in calm conditions. A sudden wind pushes the boat 200 meters in 30 seconds. What was the net force on the boat if the acceleration was constant?

*February 20, 2013*

**Statistics**

A candidate for a political office claims that he will win the election. A poll is conducted, and 35 of 150 voters indicate that they will vote for the candidate, 100 voters indicate that they will vote for his opponent, and 15 voters are undecided. a. What is the population ...

*February 19, 2013*

**Statistics**

A candidate for a political office claims that he will win the election. A poll is conducted, and 35 of 150 voters indicate that they will vote for the candidate, 100 voters indicate that they will vote for his opponent, and 15 voters are undecided. a. What is the population ...

*February 19, 2013*

**Physical Science Please Help!**

Am I supposed to divide 29.22 by 58.44?

*February 5, 2013*

**Physical Science Please Help!**

Table salt, sodium chloride, has the formula NaCl. A weight of 58.44 grams of table salt contains 1.0 mole of NaCl molecules. How many moles of NaCl are contained in 29.22 grams of NaCl?

*February 5, 2013*

**Math**

susan spends 2 1/4 hours taking inventory and 1 1/2 hours restocking how many hours does susan work

*January 28, 2013*

**Physics**

a bike passes a lamp post at the crest of hill at 4.5 m/s. she accelerates down the hill at the rate of 0.04 m/s squared for 12 seconds. how far does she move down the hill during this time ?

*December 13, 2012*

**chem**

The process in which an ion or molecule is surrounded by solvent molecules arranged in a specific manner is called?

*December 12, 2012*

**Chem**

If the pH of a solution at 25.00 degrees celsius is 2.37, the pOH of the solution at that temp is:

*December 12, 2012*

**English**

Need help correcting this sentence there is at least 6 errors. out no loitering screamed grubble the greedy shopkeeper.

*December 3, 2012*

**Language**

I need to correct the following sentence and I havving trouble with it! This is how it is written and there is to be 6 corrections at least in it. out no loitering screamed grubble the greedy shopkeeper This is how I think it should be am I right??? "Out!" "No ...

*December 3, 2012*

**statistics**

say that you have a distribution of exam scores with a mean of 57 and a standard deviation of 7. if a student in the class has a standard score equal to 2.429, what would their raw score on the exam be?

*December 2, 2012*

**algebra**

A movie theater charges $6 for an adult and $3 for a child. if the total amount was 1428 and there were 56 more children than adults - then how many children attended?

*November 13, 2012*

**Math for Liberal Arts**

Directions: Define the necessary symbols, rewrite the argument in symbolic form, and us a truth table to determine whether the argument is valid. If the argument is invalid, interpret the specific circumstances that cause the argument to be invalid. Problem: 1. All pesticides ...

*November 8, 2012*

**Math for Liberal Arts**

Directions: Define the necessary symbols, rewrite the argument in symbolic form, and us a truth table to determine whether the argument is valid. If the argument is invalid, interpret the specific circumstances that cause the argument to be invalid. Problem: 1. If you argue ...

*November 8, 2012*

**statistics**

Consider a population with µ=93.3 and σ=5.27. (A) Calculate the z-score for x=94.9 from a sample of size 12. (B) Could this z-score be used in calculating probabilities using Table 3 in Appendix B of the text? Why or why not?

*October 17, 2012*

**English (MLA)**

In my essay I want to quote a character saying something. And I just want to confirm that this is how I would do this: "'I married him-and he is a good man'" (Ross 180). I just want to know if the three quotations are supposed to be there? I cant find in on ...

*October 16, 2012*

**stats**

A set of data is normally distributed with a mean of 200 and standard deviation of 50. • What would be the standard score for a score of 250? • What percentage of scores is between 200 and 250? • What would be the percentile rank for a score of 250?

*October 9, 2012*

**Liberal Arts Math**

Find the indicated value: a. 4C2 b. List all of the permutations of {a,b,c,d} when the elements are taken two at a time.

*September 29, 2012*

**Liberal Arts Math**

How do I find the indicated values of these? a. xP1 b. xC2

*September 29, 2012*

**statistics**

For a particular sample of 63 scores on a psychology exam, the following results were obtained. First quartile = 57 Third quartile = 72 Standard deviation = 9 Range = 52 Mean = 72 Median = 68 Mode = 70 Midrange = 57 Answer each of the following: I. What score was earned by ...

*September 29, 2012*

**Concordia**

All costs shown are on a per unit of product sold basis. Sales = $18/unit Direct Materials = $2/unit Direct Labor = $2/unit Variable Manufacturing Overhead = $2/unit Variable selling and administrative expenses = $2/unit Fixed Manufacturing Overhead = $2/unit at current volume...

*September 26, 2012*

**math**

If the start time is 8:36 elapsed time is 3 hr 27 min What is the end time

*September 26, 2012*

**Math**

The number N of state and federal inmates in millions during year x, where x>2002 can be approximated by the following formula. N = 0.05x - 98.45 Determine the year in which there were 1.9 million inmates.

*September 26, 2012*

**college algebra**

Deshaun is going to rent a truck for one day. There are two companies he can choose from, and they have the following prices. Company A has no initial fee but charges .70 cents for every mile driven. Company B charges an initial fee of $50 and an additional .20 cents for every...

*September 22, 2012*

**math**

what is the value /-16+10/2 squared + 16/2?

*September 5, 2012*

**Algebra 1**

no ma'am the problem was 16 - 1 - 2 - 5. then turned it into a fractional form, 15 4/4 - 1 2/2 - 1 2/2 - 4 3/3. which the answer would be 8? correct, or did I mess up?

*September 5, 2012*

**Algebra 1**

no, it's 16 - 1 - 2 - 5.

*September 5, 2012*

**Algebra 1**

15 4/4 - 1 2/2 - 1 2/2 - 4 3/3?

*September 5, 2012*

**math**

4 deciliters = 0.4 liters. 4 liters = 40 so what day did he drink more?

*September 5, 2012*

**Algebra 1**

Carlos is having a bake sale, he begins with one tray of brownies. [cut into 15 pieces] and 18 cookies. He sells 1/3 of the brownies, and 1/6 of the cookies. He is then given a box of 12 tasty cakes to sell. He sells 3/4 of the box, how much of each food will he have left? ...

*September 5, 2012*

**High School Algebra 1**

which i know subtracted is 9, but in this case how do I turn this prblem ino a fractional form?

*September 5, 2012*

**High School Algebra 1**

how do you turn 16 - 1 - 2 - 5 into a fractional form? and write the answer as a reduced fraction;

*September 5, 2012*

**Math**

What does "standard form" mean in 3rd grade math?

*September 4, 2012*

**math**

The breaking strength (in pounds) of a certain new synthetic is normally distributed, with a mean of 172 and a variance of 4. The material is considered defective if the breaking strength is less than 168 pounds. What is the probability that a single, randomly selected piece ...

*August 27, 2012*

**Persoanl finance**

1. Jenny Franklin estimates that as a result of completing her master’s degree, she will earn $ 7,000 a year more for the next 40 years. a. What would be the total amount of additional earnings? 40 yrs * 7,000/ yr = $280,000 I don't understand how to get this part? b...

*July 28, 2012*

**math**

Sam can do a job in X hours. Denise can do the same job in x+2 hours. How long will it take Sam and Denise to do the job together? (Express your answer in terms of x.)

*July 11, 2012*

**Physics**

A stone is shot vertically upwards using a catapult and is caught 6 seconds later at the same height from which it was shot. At what time is the stone at its highest point.

*April 26, 2012*

**Math/ Algebra**

Give an example of a function using a set of at least 4 ordered pairs. The domain will be any four integers between 0 and +10. The range will be any four integers between -12 and 5. Explain why your example models a function. Give an example of at least four ordered pairs that...

*March 7, 2012*

**Math**

I am having a hard time understanding the difference between discrete and continuous data...i have read the textbook definition and i have looked online, and i just cannot comprehend it :( help?

*February 29, 2012*

**math**

c^8d^-12 ________ c^-4d^-8

*February 9, 2012*

**algebra**

I AM TRYING TO SOLVE A SYSTEM OF EQUATIONS BY GRAPHING AND CAN GET THIS ONE. 3x + y = 2 4y = 12 - 12x HOW DO YOU DO THIS?

*January 29, 2012*

**Geometry**

Triangles ABC and DEF are congruent. The length of the line segment AB is 5 yards, the length of the line segment BC is 7 yards, and the length of the line segment CA is 9 yards.

*January 23, 2012*

**Statistics**

Given that a sample is approximately bell-shaped with a mean of 60 and a standard deviation of 3, the approximate percentage of data values that is expected to fall between 54 and 66 is

*January 22, 2012*

**grammar**

It is out of context. I actually makes sense in the story :P but does the "tan lined ring finger" make sense? I feel like they should have a "-" between them.... like "tan-lined" or "ring-finger"

*January 17, 2012*

**grammar**

odd question... "I longingly gazed at my tan lined ring finger, and somehow knew: he’s proud." i am trying to edit that sentance, does it make sense? As in does the grammar make it flow?

*January 17, 2012*

**APA Format**

I am so sorry, my brain is super fried from all my projects tonight. So if my teacher told us to write (See Figure X, Appendix) in the text, then should i include the cite in the brackets? or the text? again, so sorry, i am overwhelmed haha

*January 11, 2012*

**APA Format**

thanks so much!! so do i cite them in the words cited page then?

*January 11, 2012*

**APA Format**

Hi i have a couple of dumb questions :) I know the good websites for APA formats, but there are a couple of odd questions I have about it 1) If I am having an appendix at the end of my essay, how to i lable it? Do i still put my last name in the top corner, or do i title it ...

*January 11, 2012*

**Geography (Birth Rate)**

The birth rate of Canada is 10.28/1000 ...If i want to express it diferently, can I move the decimal place to the left once and say it has a birth rate of 1.03? Thanks

*December 19, 2011*

**english thesis**

I am not sure if my my original post, posted? lol o Age, understanding the concept of death, and the changes in family structure all depict the type of grieving a child will experience after to the death of a sibling. that is my thesis, but I want to know if anybody has ...

*December 12, 2011*

**Science**

An escalator is moving downward with a uniform speed of u. A man of mass m is running upward on it at a uniform speed of v. If the height of the escalator is h, the work done by the man in going up the escalator is?

*December 8, 2011*

**Math**

Atmospheric pressure changes as you rise above earth's surface. At an altitude of h kilometers, where 0<h<80, the pressure P is newtons per square centimeter is approximately modeled by the function P(h)=10.31e^(-0.116h). What is the approximate pressure at 50 ...

*November 8, 2011*

**macroeconomics**

What is the World Bank advising businesses in Singapore and Hong Kong to add businesses, how to get the businesses to grow, hire employees, etc.

*November 1, 2011*

**Math - 2 Questions**

Does this require simplifying? What do the questions want?

*October 31, 2011*

**Algebra**

You plan to put a fence around a rectangular lot. The length of the lot must be at least 60 feet. The cost of the fence along the length of the lot is $1.50 per foot, and the cost of the fence along the width is $2 per foot. The total cost cannot exceed $360. a. Use two ...

*October 30, 2011*

**math**

out of 1600 people how many would wear the same shoe size as me?

*October 25, 2011*

**Math**

Find the x-intercept of y=x^2-4x+3

*October 23, 2011*

**hilosophy**

a specific moral question which might make it difficult to accept the relativist's response. State the moral issue involved, and provide an explanation as to why you think a relativist might have problem giving a justified response to it

*October 20, 2011*

**Physics**

A motorist traveling at 15m/s encounters a deer in the road 38m ahead. If the maximum acceleration the vehicle's brakes are capable of is -7m/s/s, what is the maximum reaction time of the motorist that will allow him or her to avoid hitting the deer? Answer in units of s. ...

*October 16, 2011*

**World History**

describe three social or economic reforms between 1917 and 1930s that were a result of the mexican revolution

*October 14, 2011*

**Physics**

If a car his traveling 24.5 m/s east, and the driver looks down at a text for 3 seconds, how many meters will the car travel during that time period.

*October 9, 2011*

**Algebra**

"A line perpendicular to x + 3y = 5 passes through (1, -1). What is the equation of the line in standard form?"

*September 22, 2011*

**easyish MATH**

for a project i need to graph numbers like: 3.456 billion, 92.07 billion etc. however i need to graph 1.009 TRILLION and 1.268 trillion. i wanted to keep the scale written as billions, how can i express the trillions as billions? thanks!

*September 19, 2011*

**easy math**

for a project i need to graph numbers like: 3.456 billion, 92.07 billion etc. however i need to graph 1.009 TRILLION and 1.268 trillion. i wanted to keep the scale written as billions, how can i express the trillions as billions? thanks!

*September 19, 2011*

**easy math**

thanks!

*September 19, 2011*

**easy math**

this is easy, but for whatever reason, i cannot get it :/ how would i express 3.456 billion as a number? or 1.009 trillion? i justneed them in their full form so i can put them in an excel graph :( thanks!

*September 19, 2011*

**Composition 101 - Argosy U -**

I am thinking about doing a paper regarding religion/vs./spiritual I want to make a point about How To Be Approached when someone ask me "Why am I a ......, surely it doesn't take all that." (Might even be my title (smile). Can you help me - or am I on the right ...

*September 15, 2011*

**accounting**

Debit Accounts receivable Credit Sales

*August 24, 2011*

**Psychology/Statistics**

For each of the following samples that were given an experimental treatment test whether these samples represent populations that are different from the general population (a) a sample of 10 with a mean of 44, (b) a sample of 1 with a mean of 48. The general population of ...

*July 15, 2011*

**Psychology/Statistics**

For a population that has a standard deviation of 10, figure the standard deviation of the distribution of means for samples of size - 3. Use the formula sqrt(N^ 2/S)

*July 15, 2011*

**algebra**

if sarha wants to secure a bookcase by attaching a metal strip from the upper right corner to the lower left corner how long should the metal strip be if the bookshelf is 6 foot high and 8 foot wide?

*July 9, 2011*

**Algebra 1**

x(0.055)+(x-500)(0.045)=477.50 .1x=-22.5=477.5 .1x-22.5+22.5=477.5+22.5 .1x=500 .1x/.1=500/.1 x=5000 first hotel was 5000 second hotel is 5000-500=4500

*July 9, 2011*

**Bus 13-Principals of Management (community College**

How is a case study written? I have to write a 3-4 page case study on the following: With annual revenue of $430 billion, 2 million employees, and 7,300 stores worldwide (and even larger numbers by the time you read this), Wal-Mart is the largest company in the world and has ...

*June 29, 2011*

**Math**

Hi Ihave the solution and all thE steps for this question.:.but I am still having a hard time understanding it :( could somebody please help me walk through all the steps to this question? 1) assume that an average television costs $425 now and that the price is increasing by ...

*May 30, 2011*

**lit class**

Draconian

*May 17, 2011*

**biology**

Sugar maple trees are tapped in the spring. how far into the tree would you haev to go to tap the syrup?

*May 5, 2011*

**calculus**

What's the derivative of f(x)=(x^2-1)(3x^3-6x+5)-4(4x^2+2x+1)

*May 5, 2011*

**math trivia**

larry has 3 children. the product of their ages is 36 and the sum of their ages wont help you. the youngest is blonde. how old are the children? this is a "fun" math activity? help!! :)

*March 27, 2011*

**math...?**

to save fuel on the 240 km trip to the cottage, the Nakamura family reduce their usual average speed by 20 km/h. this lengthens their journey by 1 hour. what is the slower average speed? i was told this question is not complete to answer? is that true?

*March 21, 2011*

**math**

never mind it does not say. does this mean the question is complete and unable to answer? its a question on an assignment and i do not know how to answer it. should ijust say uncomplete?

*March 21, 2011*

**math**

oh my gosh! so my teacher handed us two versions of this question...i didn't have that answer! sorry. the proper question i will repost.

*March 21, 2011*

**math**

to save fuel on the 240 km trip to the cottage, the Nakamura family reduce their usual average speed by 20 km/h. this lengthens their journey by 1 hour. what is the slower average speed? pleassee help! thanks :)

*March 21, 2011*

**physics**

In a steam radiator, steam at 110°C condenses and the liquid water formed is cooled to 80°C. How much heat per gram of liquid formed, is released in this process?

*March 14, 2011*

**science**

need to unscramble these letters to make a four word message using this pattern xxxxx xxx xxx xxx letters are teeuobftrdhsye or teeuobflrdhsye please help

*March 9, 2011*

**child daycare**

what type of atmosphere should be created for school aged kids?

*February 14, 2011*

**math**

how do you go about solving liner equiaions?

*February 14, 2011*

**Math Trivia**

oh sorry, i guess i didn't not understand it...thx!

*February 13, 2011*

**Math Trivia**

I asked this question before but the website given to me didn't really help :( Three friends arrive at an In late one night and rent a room for $30 (each of them contribute $10). THe next mornnig, the Innkeeper decides to give them a $5 discount because of a leak in the ...

*February 13, 2011*

**Math Trivia! :)**

OH good point! it doesn't say! so what does that mean then?

*February 13, 2011*

**Math Trivia! :)**

Three friends arrive at an In late one night and rent a room for $30 (each of them contribute $10). THe next mornnig, the Innkeeper decides to give them a $5 discount because of a leak in the roof. Since he can't split the $5 evenly, he gives each of the guys $1 and ...

*February 13, 2011*

**math trivia!**

Take any number ending in 5. (for example 35). Multpily the first part of the number (3) by the next higher number (4) and then add 25 to the end. (to give you 1225) That's what 35 to the power of two is equal to. This works for any number that ends in five. explain why ...

*February 12, 2011*

**Bio**

THANK YOU

*February 9, 2011*

**Bio**

I am trying to lable a Paramecium I know for a plant cell, the outer "layer" is called the cell membrane. what would the name for it be on a Paramecium? I have tried looking it up but the diagrams are confusing thanks!

*February 9, 2011*

**math**

Isn't 1/6 like ten min...

*February 9, 2011*

**Bio**

I am trying to lable a Paramecium I know for a plant cell, the outer "layer" is called the cell membrane. what would the name for it be on a Paramecium? I have tried looking it up but the diagrams are confusing thanks!

*February 9, 2011*

**math**

I am trying to find the coordinates of a point in a line. I have one end, and I have the midpoint. What formula should I use to find the one on the end? The one end is (8,4) and the MIDPOINT is (14, 7). What would I do to find the opposite point?! thanks!

*February 3, 2011*

**Math**

*** it is supposed to be 5x(to the power of two) and 3x(to the power of two)

*February 3, 2011*

**Math**

(5x2 -4x)(3x2+2x)

*February 3, 2011*