Wednesday

August 20, 2014

August 20, 2014

Total # Posts: 23

**chemistry**

the total pressure of a mixture of a gas was measured at 0.75 atm. The total moles of the gas were also measured at 7.50. The mixture was analyzed and found to contain three gasses. The moles of gas 1 and gas 3 were found to be 2.43 and 2.17, respectively. What is the mole ...
*April 24, 2014*

**Algebra/Precalculus**

How can I verify that f(x)=(x+3)/(x-2)and g(x)=(2x+3)/(x-1)are inverse functions (i.e. show the process)? Also, how can I solve (g o f)^-1, if f(x)=x+4 and g(x)=2x-5? Thanks!
*September 30, 2013*

**Math 8R - Operating with Scientific Notation HELP!**

in 2008 the total trade between the united states and japan was $2.04
*November 20, 2012*

**government**

A. social contract B. tradition C. constitution D. strong leader
*June 14, 2011*

**Algebra 2 and Trig**

suppose a house that cost $270000 appreciates by 5% each year. In about how many years will the house be worth $350000? Use the ewuation 350=(270)(1.05)^x and round the value of x to the nearest year..
*March 6, 2011*

**7th grade Math**

Lola excercises m minutes per day 5 days a week. Write an alegrabic expression that represents how many minutes '50' excercises in two weeks. Could the answer be 50c because it feels like I'm missing something.HELP
*September 20, 2010*

**algebra**

In a large survey, it was discovered that 1 out of every 5 adults visits Disney World every year. If 30 adults are randomly selected, what is the probability that exactly 7 of them will visit Disney World this year?
*March 11, 2010*

**criminal justice**

Compare and contrast two theories on the causation of crime. o Choose one crime trend outlined in the text and explain its relationship to one of the crime theories you just compared.
*January 27, 2010*

**physics**

A child is pushing a shopping cart at a speed of 1.5 m/s. How long will it take this child push the cart down an aisle with a length of 9.3 m?
*October 6, 2009*

**accounting**

Company sells 100,000 wrenches for $12.00 a unit. Fixed cost are $300,000.00 and net income is $200,000. What should be reported as variable expenses on the income statement?
*April 15, 2009*

**com150**

week 3 checkpoint 1 and 2
*November 3, 2008*

**arithmetic**

what is the pattern 729,243,81,27,
*September 8, 2008*

**math ,hep, plz**

Use the formula t = (0.25) s1/2 to find the time t in seconds it will take a stone to drop a distance s of 200 feet. Round your answer to the nearest tenth of a second. wat is this answer
*March 18, 2007*

**math**

mr.jackson is preparing bags of treats to give trick or treaters on halloween he has 48 pieces of candy and 60 pieces of gum he uses al the candy and gum and he puts the ratio of candy to gum in each bag. what is the largest number of bags he could have made? 48/60 = 4/5 so ...
*March 5, 2007*

**math**

a number has 4 digits. no digits in the number are repeated. the digit in the tens place is three times the digit in the thousands place. the number is odd. the sum of the digits in the number is 27. what is the number? I started with the 10s and 1000s place. To sum up to 27, ...
*March 5, 2007*

**math**

the disney golf classic starts with 64 golfers. the golfers form pairs and each pair plays a match. the losers drop out and the winners of each pair then form new pairs and play again. then those winners form pairs and play. this continues until there is one winner. in how ...
*March 5, 2007*

**math**

marcus aaron and jason went to a double feature movie. the show began at 1.45 pm and lasted for 4hrs and 27mins. at what time did the show end? would it be 6.14pm Close, just add again. 6.27pm Nope :) After 4 hours it is 5:45. 15 minutes later it is 6:00. You have 12 minutes ...
*January 23, 2007*

**math**

robert recieved a weekly allowance of $6.00 on monday he put 50%of his money in his empty piggy back but then took out 50% of that money to go to a movie. how much money was left in the piggy bank? is the answer $1.50 yes Yes.
*January 23, 2007*

**math**

hair grows about 1/2 inch each month after you shave your head how many years will it buntil your hair is 1 foot in length? would the answer be 2 years? yes
*January 23, 2007*

**math**

sabrina used a calcutator and started adding the whole numbers in order 1+2+3+4+5+..... what is the last number she would add that would get the sum on her calculator over 1000? Try it yourself. You'll be surprised that it won't take very long to add up to 1,000. To ...
*January 23, 2007*

**math**

margarit liked to balance things. she balanced 3 pencil sharpeners and 2 one gram blocks with a 100 gram weight and another one gram block. she let x stand for the weight of one pencil sharpener and she claimed that x=30grams. was she correct if not how much died each pencil ...
*January 23, 2007*

**math**

on a game board, landing on blue means to move ahead 1 space , landing on red means to move ahead 2 spaces, and landing on orange means to move back 1 space. if you took 30 spins about where would you expect to be on the game board, relative to where you started? i would be ...
*January 23, 2007*

**math**

maria colleen patsy and kenyada are 8,9,10,and 11years old. maria is older than patsy and younger than kenyada. colleen is younger than marie and older than patsy. what is each girls age? maria? colleen? patsy? kenyada? Well, start by knowing that Maria is older than Patsy. ...
*January 23, 2007*

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