Thursday

July 30, 2015

July 30, 2015

Number of results: 66,148

**science**

Examine the label of a jar of multivitamins—either one that you currently take or one that is sold in a store. Using Tables 8.2 and 8.3 in Ch. 8 (pp. 239–240, 262), and Tables 9.1 and 9.6 in Ch. 9 (pp. 288, 307–308), determine if the multivitamin would meet the recommended ...
*January 7, 2010 by Sharon*

**math**

if you have a jar filled with candy and every time you take one candy out you put the wrapper back into the jar. the wrapper takes 10% of the volume of a piece of candy. How many times will you have to fill the jar before half the jar is filled with candy wrappers?
*May 7, 2014 by Lillian*

**9th grade**

A glass jar holds a single germ. After one minute, the germ splits into two germs. One minute after that, the two germs each split again, forming a total of four germs, continuing at this rate, a single germ can multiply to fill the whole jar in exactly one hour. Know this, ...
*April 1, 2009 by Marie*

**Math**

In preparation for a party, Heather fills a jar with gumdrops. Before the party begins, Erik sees the gum drop jar, he (hoping that no one will realize) takes one-third of the drops. Soon after sonia takes takes one-third of the gumdrops(she too, hopes that no one will notice...
*January 23, 2013 by Ben Eckman*

**algebra**

Which jar of peanut butter is the best buy? How do I calculate this? A.18 oz jar for $1.69 B.30 oz jar for $2.59 C.32 oz jar for $2.89 D.24 oz jar for $2.09
*June 3, 2014 by Lycia*

**Math, Still Need Help!**

Label each statement TRUE or FALSE. a. The sum of two one-to-one functions is one-to-one. b. The product of two one-to-one functions is one-to-one. c. If f is a one-to-one function and k is a real number (constant), then the function g(x)=k*f(x)is one-to-one.
*August 29, 2010 by Leanna*

**Math AP Calc**

Label each statement TRUE or FALSE. a. The sum of two one-to-one functions is one-to-one. b. The product of two one-to-one functions is one-to-one. c. If f is a one-to-one function and k is a real number (constant), then the function g(x)=k*f(x)is one-to-one.
*August 29, 2010 by Leanna*

**math**

a large jar contains 500 identical marbles. Suppose you have an identical empty jar, a set of standard masses and balance scales. How would you find the mass of one marble without opening or breaking the jar? Explain Thanks for your help, this stumped me for sure.
*April 8, 2009 by jillybean*

**Math**

given a jar contains four marbles, each a different color: red, blue, green, and yellow. If you draw two marbles from the jar, one after another, replacing the first before drawing the second,what is the probability of getting at least one red marble and one green marble?
*October 6, 2009 by Anonymous*

**math**

a large jar contains 500 marbles suppose you have an identical empty jar how would you find the mass of one marble
*January 19, 2011 by john*

**Engish Literature**

Chapter Seven explores the role of symbols in conveying literary themes. Themes are abundant in literaryworks (though they are at some times more obvious than at others). Select one short story from the reading assignments (from either Week One or Week Two) to examine more ...
*January 23, 2013 by Anonymous*

**science **

jake put a handful of nails in a jar he closed the jar and put the jar asidde a few weeks later the nails rusted what happen to the mass? the mass stays the same because of the law of consviation of mass i need to evidences for twomorows class can oly come up with one. help!!!!!!
*March 14, 2011 by shi*

**Math**

1. Daniel wants to save at least 20 dollars by putting pennies in a jar daily. On first day, he puts one penny into the jar. The second day he puts 2 pennies into the same jar. On the nth day he pus n pennies into the same jar. Which day is the first day on which he has at ...
*February 22, 2015 by Bethany*

**math**

The ratio of the number of mints in Jar A to that in Jar B was 8 : 5. After 1/4 of the mints in Jar A were sold, there were 120 mints in Jar A than Jar B. How many mints were there in Jar B?
*November 9, 2010 by crystal*

**Physics**

The Leyden jar, invented by chance in 1746, was one of the earliest types of capacitors (see the figure below), made by covering the inner and outer surfaces of a glass jar with conducting layers (for example, aluminum foil). It is a good approximation to treat the Leyden jar ...
*July 2, 2014 by Brandi*

**Math**

i have problems with understand what they are asking in a word problem it goes like this one jar holds 4mls more than twice. The two jars together hold the volume of the other jar. both jars together hold 712ml what is the volume the smallest jar hold.
*February 21, 2013 by Tara*

**Math**

i have problems with understand what they are asking in a word problem it goes like this one jar holds 4mls more than twice. The two jars together hold the volume of the other jar. both jars together hold 712ml what is the volume the smallest jar hold.
*February 21, 2013 by Tara*

**Math**

1. Daniel wants to save at least 20 dollars by putting pennies in a jar daily. On first day, he puts one penny into the jar. The second day he puts 2 pennies into the same jar. On the nth day he pus n pennies into the same jar. Which day is the first day on which he has at ...
*February 22, 2015 by Ethan*

**9th grade (math)**

pennies are kept in a jar the mass of the jar is 20 g the mass of each panny is 5g le t the varible p represent the total mass of pennis and the jar. let the variable n represent the number og pennys. 1a. write an equation that represent the relation ship between mass p and n ...
*October 17, 2009 by jacky*

**Math**

Label each statement TRUE or FALSE. a. The sum of two one-to-one functions is one-to-one. b. The product of two one-to-one functions is one-to-one. c. If f is a one-to-one function and k is a real number (constant), then the function g(x)=k*f(x)is one-to-one. So I was thinking...
*August 29, 2010 by Anonymous*

**Calculus**

Four red balls and two white balls are placed in a jar. One ball is randomly removed and replaced with a ball of the other color. The jar is then shaken, and one ball is randomly selected. What is the probability that this ball is red? Express your answer as a common fraction.
*October 1, 2007 by Matt*

**MATH**

A sugar jar is filled full with sugar weighs 30 lbs. It wieghs 9 lbs when the jar is one fourth filled with sugar. What is the of the empty sugar jar.
*February 13, 2013 by AYAA *

**Probabilty**

There is a large jar of marbles, containing red, blue, yellow, black and white marbles. How many marbles must you draw(without looking) from the jar to be sure of getting at least three of one color? I have a similar question with socks: 10 white, 6 black, how many drawn for ...
*June 24, 2010 by Melisa*

**3rd grade**

Mr Samuel has 150 pennies in two jars. There are 40 more pennies in one jar than in the other. How many pennies are in each jar?
*November 17, 2010 by Anonymous*

**Grammar**

Need help with these- Choose a label that best describes the phrase in CAPS: 1.Two small round tables sat OUTSIDE THE BACK DOOR. Ans-I think this one is either an appositive phrase, or an adjective phrase. 2.Finally, they decided on checkers, AN OLD FAVORITE OF MINE. Ans- not ...
*May 13, 2009 by mysterychicken*

**math**

Mr. Samuel has 150 pennies in two jars. There are 40 more pennies in one jar than the other. How many pennies are in each jar?
*October 27, 2008 by Michele*

**math**

Mr. Samuel has a 150 pennies in two jars there are 40 more pennies in one jar than the other, how many pennies are in each jar
*October 25, 2010 by mrs. yisrael*

**maths**

terrorists are trying to take over the world. They know the password to the weapon is 5 digits long and contains either 0 or 1, and either 2 or 3, and either 4 or 5, and either 6 or 7, and either 8 or 9. If the robots can enter 5 passwords per second, how long (in seconds) ...
*February 18, 2013 by can u please help me! please*

**Business Ms. Sue**

Reflecting on Visual Literacy in Business list five take-away’s. Explain why the five take-away’s are relevant to you. Then, describe at least one concept that is either still unclear to you, or one you’d like to explore further.
*October 18, 2012 by Quita*

**math**

how knowing the number of pennies in one jar can help you estimate the number of pennies in a second jar that is four times as large. give me an example.
*October 6, 2009 by jasmin*

**math **

a peanut butter jar has a height of 5.9in and diameter of 3.6 in. one cubic inch holds 0.45 oz of peanut butter. How many ounces will fit in the jar
*August 12, 2011 by christina*

**English**

1. Take one and pass the others to the other students. 2. Take one and give the others to yourmembers in the group. 3. Take one exam paper and hand the others to your members 4. Take one and pass the others around. 5. Take one and pass the rest to the members of your group...
*June 10, 2008 by John*

**Algebra**

I am cramming for an examine. I can not locate one of my graded lessons with all my notes. I am trying to redo the equaitons. I am really stuck on how to simplify this one. Problem: Studies indicate that the price elasticity of demand for cigarettes is about 0.4. If a pack of ...
*July 18, 2008 by G*

**Chem**

State the hazard warning label that should be shown on a jar of oxygen.
*October 5, 2011 by Nicole*

**Math**

Killer robots are trying to take over the world. They know the password to the doomsday weapon is 5 digits long and contains either 0 or 1, and either 2 or 3, and either 4 or 5, and either 6 or 7, and either 8 or 9. If the robots can enter 5 passwords per second, how long (in ...
*February 19, 2013 by John*

**algebra**

What does Descartes Rule of Signs tell you about the real roots of the polynomial -2x^3+3x^3-5x-2=0 possible answers one positive root either 2 or 0 neg 2 or 0 pos and 2 or 0 neg one pos and one neg either 2 or 0 pos and one neg
*November 12, 2012 by jayson*

**Calc AB**

Remember that f(x) must be one-to-one (only one y-value for each x-value) over the domain where f –1(x)is defined as a function. So, in some cases you must restrict the domain of f(x) so that it's one-to-one. There might be more than one section of domain that's one-to-one. ...
*April 9, 2015 by Thomas*

**Math**

If the lateral area of a cone is 3685.1cm^2 and I were to paint the entire cone, the paint costs $1.99/jar and one jar of paint covers 400cm^2, how much will it cost?
*October 21, 2014 by Anonymous*

**Math**

Three boxes are labeled peaches, apples, and peaches & apples. Each box is labeled incorrectly. You may select only one piece of fruit from one box. How can you do this so that you can label the boxes correctly? Three boxes are labeled peaches, apples, and peaches & apples. ...
*August 31, 2005 by Haley*

**Statistics**

1.In a jar, suppose there are 3 blue marbles, 2 yellow marbles and one red marble. c. Suppose that 3 marbles are drawn from the jar without replacement. What is the probability that the 3 marbles are all different colors? d. Suppose that 4 marbles are drawn from the jar with ...
*January 12, 2011 by Sam*

**Human Resource Management**

Select an industry that you would like to examine in depth. Consider the HR department and its function within organizations that operate in that industry. Write a 1,400-2,100-word paper in which you identify five major HR challenges either currently facing the industry or ...
*October 22, 2006 by Donna Hughes*

**Math**

In the question I am working on, there are three jars filled with balls, and a die. Depending on the number that comes up from the die determines which jar a ball is drawn from. I created a tree and have all my individual probabilities. The question asks the probability of a ...
*October 13, 2011 by Zorniac*

**Stats**

You will need to examine two of the nine sections of data: one section of qualitative data (choose either Gender or Position) one section of quantitative data (choose either Intrinsic or Extrinsic) Each section should include all data points listed in the column for the ...
*November 10, 2011 by Puppygirl*

**Math**

My couch potato friend enjoys sitting in front of the TV and grabbing handfuls of 4 chocolates at random from his snack jar. Unbeknownst to him, I have replaced one of the 26 chocolates in his jar with a cashew. (He hates cashews with a passion.) How many possible outcomes ...
*April 14, 2011 by Sarah*

**Math**

Trying to find how many jelly beans that can be in the jar? Exactly half were red and exactly one-third were blue, which of the following is not a reasonable number of jelly beans that can be in the jar? Is it 24, 50, 60 or 90?
*April 23, 2012 by Marc-Anthony Cienfuegos*

**Stats**

You are asked to draw THREE coins from a jar one at a time without replacement. The jar contains FIVE dimes, TEN pennies, and EIGHT quarters. (a) What is the probability that all three coins are pennies?
*July 10, 2012 by Anonymous*

**Logic**

Situation 1: You have eight billiard balls. One of them is "defective," meaning that it weighs more than the others. How do you tell, using a balance, which ball is defective in two weighings? Situation 2: You have five jars of pills. All the pills in one jar only are "...
*January 21, 2013 by Sarah*

**math**

Ms.lee class had to guess how many jelly beans were in a jar. The clues were that exactly half were red ,and that exactly one third were blue.Based on the information provided ,which of the following is not a reasonable number of jelly beans that can be in the jar? a.24 b.50 c...
*February 28, 2012 by priyal*

**Math**

given a jar contains four marbles, each a different color: red, blue, green, and yellow. If you draw two marbles from the jar, one after another, replacing the first before drawing the second, what is the probability of getting no yellow marbles? I got - 3/4(3/4) = 9/16 = 56....
*October 6, 2009 by Anonymous*

**algebra**

Pippa filled 1/8 of a jar with blue stones, 1/4 of a jar with yellow stones, and 1/2 of a jar with purple stones. how much of the jar is filled altogether?
*January 11, 2012 by Breanna*

**math**

ms lee class had to guess how many jelly beans were in a jar. The clues were that exactly half were red ,and that exactly one third were blue.Based on the information provided ,which of the following is not a reasonable no.of jelly beans that can be in the jar? a.24 b.50 c.60 ...
*February 27, 2012 by priyal*

**Math**

A jar contains four marbles, each a different color: red, blue, green, and yellow. If you draw two marbles from the jar, one after another, replacing the first before drawing the second, what is the probability of getting a. two red marbles? b. a red marble on the first draw ...
*November 29, 2009 by Punkie*

**math **

My couch potato friend enjoys sitting in front of the TV and grabbing handfuls of 4 chocolates at random from his snack jar. Unbeknownst to him, I have replaced one of the 18 chocolates in his jar with a cashew. (He hates cashews with a passion.) How many possible outcomes are...
*November 29, 2010 by LC*

**MATH Prob.**

A jar contains four marbles, each a different color: red, blue, green, and yellow. If you draw two marbles from the jar, one after another, replacing the first before drawing the second, what is the probability of getting a. two red marbles? b. a red marble on the first draw ...
*August 12, 2009 by Twg*

**Probability**

A jar contains four red, four yellow, and three green jelly beans. If Joan and Jim take one jelly bean each, the probability that they both take a red jelly bean is?
*November 14, 2009 by Anna*

**Math**

If one and one-half teams of men require one and one-half days to shovel one and one-half truckloads of sand, how long will it take one team to shovel one truckload?
*December 27, 2013 by Krish*

**Word Problem**

A UPS employee, Davis, packs and labels three types of packages: basic packages, business packages, and oversized packages. Business packages take a priority over basic packages, and oversized packages because those customers paid a premium to have guaranteed two-day delivery...
*September 12, 2011 by Julie*

**Maths**

DVDS 4 U SALE Price label more than £8-take 15% off Price label less than £8-take 10% off a)ivy buys 5 dvds with a price label of £6. work out how much she pays in the sale b)kurt buys 2 dvds each with a price label of £4 and 7 dvds each with a price label of £17. work out how...
*October 23, 2013 by HS*

**math**

How much paper is used for a label on a can of frosting. The height of the jar is 5 inches and the radius is 1.5 inches I did SA=2TTrh+2TTr^2 SA=2TT1.5(5)+2TT1.5^2 SA=15TT + 2TT2.25 SA=15TT=4.5TT SA=19.5TT SA=61.261 SA=61.3in^2 61.3in squared of paper was used for the label ...
*March 18, 2013 by Scott*

**Math**

How much paper is used for a label on a can of frosting. The height of the jar is 5 inches and the radius is 1.5 inches I did SA=2TTrh+2TTr^2 SA=2TT1.5(5)+2TT1.5^2 SA=15TT + 2TT2.25 SA=15TT=4.5TT SA=19.5TT SA=61.261 SA=61.3in^2 61.3in squared of paper was used for the label ...
*March 19, 2013 by Scott- Ms Sue can you help*

**MATH **

JOhn had prepared the problem sets for Levels 1 to 5 of Geometry and Combinatorics for next month but forgot to label which set was for which level. Since Calvin didn't label them, the computer assigned them labels 1 through 5 randomly, with each label appearing only once. The...
*May 14, 2013 by intermediate player PLEASE HELP*

**English**

Hello. Will you please help me with one more question? Is it possible to use "currently" in reference to the past, for example: "He was currently working for a large company." (meaning - at that time) Thank you very much.
*January 31, 2012 by Ilma*

**math**

A jar is half full of vinegar and another jar twice its size is one quarter full of vinegar. Both jars are then filled with water. The contents are mixed in a third container. What part of the mixture in the third container is vinegar?
*February 24, 2010 by Anonymous*

**5th grade**

A jar is half full with vinegar and another jar twice its size is one quarter full of vinegar. Both jars are then filled with water. The contents are mixed in a third container. What part of the mixture in the third container is vinegar?
*February 24, 2010 by Anonymous*

**math/probability**

A jar contains four marbles, each a different color: red, blue, green, and yellow. If you draw two marbles from the jar, one after another, replacing the first before drawing the second, what is the probability of getting a. two red marbles? b. a red marble on the first draw ...
*October 21, 2009 by jason*

**Math Probability question**

A jar contains four marbles, each a different color: red, blue, green and yellow. If you draw two marbles from the jar, one after another, replacing the first before drawing the second, what is the probability of getting a. two red marbles b. a red marble on the first draw and...
*January 23, 2010 by C.J *

**algebra**

One jar holds 16 red marbles and 4 blue marbles. A second jar holds 75 white marbles and 25 blue marbles. What is the probability that a blue marble will be drawn from both jars?
*May 27, 2011 by Anonymous*

**grammar**

In the following sentence select the compound predicate. We could study coins, see jewels, or examine tools. A. study,see B. could study, examine C could study,see, examine D study, see, examine Which of these is the correct answer. I think its D. I am not real good with these...
*October 9, 2009 by Anonymous*

**Math Help!**

I apologize for all these questions but I really need to get them done fast so I appreciate if you tried to answer some of them! 1. Bill is saving money in an empty jar. The first day he puts in a certain amount of money. Every day after the first he puts in 2 more dollars ...
*February 22, 2015 by Beth*

**AP Physics**

Again Chapter one Stuff... Discuss how the notion of symmetry could be used to estimate the number of marbles in a one-liter jar. I'm lost I'm thinkthing somewer along the lines of counting them up nice and simple but I have no idea
*June 10, 2009 by AP Physics*

**Civics**

1. Suppose Bill HR612 is currently in Congress. One thing you know about this bill is that it A. originated in the House of Representatives. B. has been vetoed by the president. C. has no riders attached. D. is currently in committee. A?
*March 29, 2015 by Sarah *

**math**

Every night when Samantha came home from work she put any change she had in her pockets into a jar. One day she wanted to know how much change she had in her jar. She noticed that she had two more nickels than twice the number of dimes, and eight fewer quarters than twice the ...
*January 19, 2015 by samantha*

**statistics**

binomial probabilities one in four adults is currently on a diet. Find the probability that the number who say they are currently on a dies is (a)exactly three, (b)at least three, and (c) more than three
*October 2, 2014 by isabella*

**Math Qs. Check!!!!!!**

Jake puts pennies into a jar each morning and lets his brother take haft of the pennies out each morning. Jake put 10 pennies into the empty jar on Monday morning. On Tuesday he put in 15 pennies. One Wednesday he put in 12 pennies. How many pennies are in the jar on Thursday ...
*September 4, 2012 by Laruen *

**MATH!!!**

A bag contains 2 green marbles,4 red marbles,and 6 yellow marbles. You take one marble and then take another one without replacing the forst one.
*February 28, 2012 by Anonymous*

**Math 112**

A jar of water weighs 15 pounds. When 0.5 of the water is poured out, the weight of the remaining water and the jar is 8.75 pounds. How much does the jar weigh?
*April 24, 2013 by ENIS*

**business**

Building from the project you created in Unit 1, Identify all of the costs involved in the project. Label the costs either direct costs, project overhead costs, or general and administrative overhead costs. Develop a time-phased budget for the project. What will be the ...
*April 12, 2010 by Anonymous*

**Scince**

am having trouble with Restate the problem in terms of the following: Manipulated variable Constant (control) variables Principles of experimental design State in correct form the hypothesis you intend to demonstrate. I have conducted the experiment but I am not sure how to ...
*December 16, 2008 by pookie*

**Physics**

A brass lid screws tightly onto a glass jar at 20 oC. To help open the jar, it can be placed into a bath of hot water. After this treatment, the temperature of the lid and the jar are both 60 oC. The inside diameter of the lid is 8.0 cm at 20 oC. Find the size of the gap (...
*September 20, 2010 by Eric*

**Physics**

A brass lid screws tightly onto a glass jar at 20 oC. To help open the jar, it can be placed into a bath of hot water. After this treatment, the temperature of the lid and the jar are both 60 oC. The inside diameter of the lid is 8.0 cm at 20 oC. Find the size of the gap (...
*September 20, 2010 by Eric*

**chemistry**

I cannot figure out how to work this stoichiometry problem with the given equation: Mg+2HCl-->MgCl2+H2 What volume of hydrogen is produced from the reaction of 50.0g of Mg and the equivalent of 75g of HCl What do you not understand about it? It is a limiting reagent problem...
*February 5, 2007 by Carter*

**genetics **

1) Mary has a widow's peak (either WW or Ww), but her sister has a smooth hairline (must be ww). Is either one of Mary's parents homozygous dominant or recessive? I think that that she has to have at least one of her two parents be homozygous something in order for this to work?
*April 16, 2014 by Evan*

**math**

A bag contains three red marbles, three green ones, one lavender one, five yellows, and two orange marbles. How many sets of five marbles include either the lavender one or exactly one yellow one but not both colors?
*April 30, 2014 by joana*

**Croissant park**

green paint jar is 4/8 full the purple jar is 4/6 which paint jar is less full
*March 4, 2014 by Dwayne *

**Language 7**

At one time, he, him, and his were used to represent individuals of either gender, but this practice is no longer acceptable. change the pronouns in these sentences so that both ales and females are represented. a) No one has to stay in his seat after the bell. b) A library ...
*April 7, 2011 by Curly Sue*

**PHYSICSSS!**

A brass lid screws tightly onto a glass jar at 20 oC. To help open the jar, it can be placed into a bath of hot water. After this treatment, the temperature of the lid and the jar are both 60 oC. The inside diameter of the lid is 8.0 cm at 20 oC. Find the size of the gap (...
*September 21, 2010 by JT*

**Math**

Monica was collecting quarters and nickels in a jar. She kept track of the total value of the coins, as well as, how many coins were actually in the jar. However, she forgot specifically to track how many of each coin there is in the jar. If the total value of all the coins is...
*September 21, 2010 by Flor*

**Chemistry help please**

You have two sealed jars of water at the same temperature. In the first jar there is a large amount of water. In the second jar there is a small amount of water. how the vapor pressure of water in the first jar compares with the vapor pressure of water in the second jar.
*March 11, 2015 by Ciaria *

**English**

At last the magpie heard this just as she was putting a twig across. So she said: "One's enough." But the turtle-dove kept on saying: "Take two, Taffy, take two-o-o-o." Then the magpie got angry and said: "One's enough I tell you." Still the turtle-dove cried: "Take two, Taffy...
*August 2, 2013 by rfvv*

**Probabilities**

In a cookie jar, there are 6 chocolate cookies and 8 oatmeal cookies. I take out the cookies one at a time and proceed to eat them. The probability that the 7th cookie that I eat is a chocolate cookie is a/b, where a and b are positive coprime integers. What is the value of a+b?
*April 9, 2013 by Anna*

**Chemistry**

You have two sealed jars of water at the same temperature. In the first jar there is a large amount of water. In the second jar there is a small amount of water. how does the vapor pressure of water in the first jar compares with the vapor pressure of water in the second jar.
*March 11, 2015 by Ciaria *

**Math**

given a jar contains four marbles, each a different color: red, blue, green, and yellow. If you draw two marbles from the jar, one after another, replacing the first before drawing the second,what is the probability of getting a red marble on the first draw and a green marble ...
*October 5, 2009 by Anonymous*

**statistics**

The actual weights of bags of pet food are normally distributed.The mean of the weights is 50.0lb,with a standard deviation of 0.2lb. Sketch a normal cuve for the distribution.Label the x-axis at one,two,and three standard feciation from the mean,in addition label all the ...
*June 4, 2012 by Anonymous*

**7th grade Literature help**

Hi, I need to pick one of the options below, but they are hard. Option One seems like it will take forever because I need to turn this in today and it takes me forever to research things. Option Two seems hard because I don't know what the main character (Tayla) would take ...
*November 15, 2012 by Delilah*

**math**

You have 2 floors, and there are 14 steps inbetween the two floors. you have a cat that can get to the top by either taking one step at a time or two steps. ( at one time going up the cat can take both one or two steps). How many possible combinations are there for the cat to ...
*September 2, 2011 by J*

**math**

A certain kind of bacteria doubles in quantity every hour. At midnight two nights ago. only two of these bacteria were in a jar. At midnight last night, the jar was full. At what time was the jar half full?
*December 9, 2011 by peter*

**math**

A jar contains 3 pink balls, 6 blue balls, and 3 red balls. Event A = drawing a red ball on the first draw Event B = drawing a pink ball on the second draw If two balls are drawn from the jar, one after the other without replacement, what is P(A and B) expressed in simplest form
*July 16, 2012 by Anonymous*

**Math**

One fourth of class takes French. One half takes Latin One third as many take Japanese as Latin students. There are 8 students taking Japanese. ***no students take more than one language How many students take French?12 How many students take Latin? 24 How many students are in...
*October 15, 2012 by Meagieting*

**Inverse trigonometric function**

How to solve without calculator 1. sin(arctan(12/5)) 2. cos(arccosx + arcsinx) Thanks. You have to know your right triangles. 5 12 13 is one. If the tan is 12/5, then the sin is 5/13. Draw a pic to confirm that. On the second: Think. Draw any right triangle. Label the angles. ...
*April 8, 2007 by Jen*

**Math**

A cylinder shaped jar has a radius of 2 cm and a height of 6 cm. What is the volume of the jar?
*April 7, 2013 by Robinaylor*