Tuesday

September 27, 2016
Total # Posts: 78

**Physics**

A 10-ft,25lb seesaw is balanced by a little girl with a weight of 50lbs and her father with a weight of 200lbs at opposite ends. How far from the seesaw's center of mass must the fulcrum be placed?

*September 19, 2016*

**statistics**

Minutes 126.53 127.27 130 130.35 130.4 130.58 130.87 131.18 131.98 132.55 133.28 133.42 133.43 133.55 133.65 134 134.37 134.62 134.73 135 135.95 136.12 136.17 136.23 136.28 137.7 137.83 137.93 138.18 138.25 138.43 138.67 139.13 139.72 140.25 140.38 140.4 140.42 140.5 141.27 ...

*February 21, 2016*

**statistics**

thanks

*February 21, 2016*

**statistics**

state whether the quantity described is a parameter or a statistic and give the correct notation. Correlation between height and weight for players on the 2010 Brazil World Cup team, using data from all 23 players on the roster. thanks

*February 21, 2016*

**john**

yes Statistics please need help

*February 21, 2016*

**math help**

Yay! Thanks!

*February 3, 2016*

**math help**

So, is it c?

*February 3, 2016*

**math help**

Model 28% on a 5 x 5 grid. a. a 5 x 5 grid with 4 blocks filled in. b. a 5 x 5 grid with 5 blocks filled in. c. a 5 x 5 grid with 7 blocks filled in. d. a 5 x 5 grid with 20 blocks filled in. I don't know what to do, can someone give me a step-by-step process if willing to...

*February 3, 2016*

**math**

You own 19 CDs. You want to randomly arrange 9 of them in a CD rack. What is the probability that the rack ends up in alphabetical order? The probability that the CDs are in alphabetical order is ?

*November 8, 2015*

**math**

The letters in the word MATHEMATICS are arranged randomly. What is the probability that the first letter is E? What is the probability that the first letter is M?

*November 8, 2015*

**math**

If you randomly select a card from a well-shuffled standard deck of 52 cards, what is the probability that the card you select is a diamond or club? (Your answer must be in the form of a reduced fraction.)

*November 8, 2015*

**math**

A computer password is required to be 5 characters long. How many passwords are possible if the password requires 1 letter(s) and 4 digits (numbers 0-9), where no repetition of any letter or digit is allowed?

*November 2, 2015*

**math **

How many 6-letter words can be made from the letters WASTEFUL if repetition of letters is allowed?

*November 1, 2015*

**science**

Jan calculations of the talantola found that the spider able to cover 20 cm. in 5 seconds.What was the speed of the spider?

*January 5, 2015*

**geometry**

The volume of the rectangular prism is 280 cubic cm. Its base has the area of 40 sq. cm. What is the volume of the pyramid inside the prism?

*September 28, 2014*

**geometry**

The volume of the rectangular prism is 280 cubic cm. Its base has the area of 40 sq. cm. What is the volume of the pyramid inside the prism???

*September 28, 2014*

**physics**

A heat engine has a hot reservoir of 680°C and a cold reservoir of 220°C. What is the efficiency of the engine?

*June 6, 2014*

**math help**

2 1/2

*September 29, 2013*

**Child day care management **

A2006 survey stated that youngsters ages 12-17 who were left home three or more days

*September 24, 2013*

**Child day care management **

One can encourage children to engage in sociodramatic play by

*September 23, 2013*

**Child day care management **

I need to check my answers for exams number 00385300 working with school-age children

*September 23, 2013*

**Child day care management **

To determine liability one must figure out who is legally

*September 23, 2013*

**math**

3 hundred 40 tens there is the answer that help you a lot im only in 1st grade true i did very well on a math test and this question was on the test

*August 21, 2013*

**Chem**

Which of the following will be more soluble in an acidic solution than in pure water? SrSO4 CsClO4 CuCN Ni(OH)2 AgCl Please help explain why! I've tried submitting the ones that are insoluble in water and it was wrong. I know it has something to do with basic anions but I...

*May 2, 2013*

**Chemistry **

Ba(OH)2 is a strong electrolyte. Determine the concentration of each of the individual ions in a 0.700 M Ba(OH)2 solution. I know that Ba(OH)2 -> Ba + 2OH But how do I determine the concentrations? I feel like I am making this more complicated than need be

*April 8, 2013*

**marketing **

How to make segmentation for a healthy food restaurant ?

*March 5, 2013*

**physics!**

A truck driver travels a distance of 100 miles due East. He then turns at an angle of 35 degrees S of E and travels a distance of 50 miles. What is the resultant displacement? What is the direction?

*January 29, 2013*

**dara**

the volume of a cube increases at average of 24cm^3 /min while it's length increases 2 cm/min

*January 18, 2013*

**english(easy!) my mind cant decide :(**

didn't she stay in with the Queen in the beginning?

*January 14, 2013*

**english(easy!) my mind cant decide :(**

what is the setting for Disney's Snow White and the Seven Dwarf?

*January 14, 2013*

**math**

thank you

*January 14, 2013*

**math **

the population of Smallville in the year 1890 was 6250.assume the population increased at a rate of 2.75% per year. predict when the population reached 50,000 I'm not suppose to use logs to find the answer :(

*January 14, 2013*

**MATH!**

the 2000 population of Jacksonville,Florida was 736,000 and was increasing at the rate of 1.94% each year. At that rate, when will the population be 1 million?

*January 14, 2013*

**math**

Describe how to transform the graph of f into the graph of g. f(x)=2^x and g(x)=2^x-3 I don't know how to do this step by step :(

*January 10, 2013*

**MATH **

Describe how to transform the graph of f into the graph of g. f(x)=2^x and g(x)=2^x-3

*January 10, 2013*

**physics**

A girl goes 4 avenues east{.8 miles), then 24 streets south(1.2 miles), the n 1 avenue west(.2 miles), and finally 8 streets north(.4 miles). -what distance did she travel? -what is her resultant displacement?

*January 10, 2013*

**physics**

Q=mHf =0.25x3.34x10^5=83500J

*December 7, 2012*

**chemistry**

2.4 g

*September 9, 2012*

**math**

Find the surface area of a rectangular prism with a length of 10 cm, a width of 4 1/2 cm, and a height 8 3/4 cm. Round your answer to the nearest hundredth.

*May 16, 2012*

**chemstiry**

titration of 25ml of Na2CO3 with 0.352mol/l HCl of 15.2ml what is the molar concetraion of sodium carbonate

*January 11, 2012*

**Environmental Science**

How can I relate the Fourth Principle of Ecosystem Sustainability to: d. medicine:

*November 24, 2011*

**Environmental Science**

How can I relate the Fourth Principle of Ecosystem Sustainability to: c. biotechnology:

*November 24, 2011*

**Environmental Science**

Relate the Fourth Principle of Ecosystem Sustainability to: d. medicine:

*November 23, 2011*

**Environmental Science**

Relate the Fourth Principle of Ecosystem Sustainability to: c. biotechnology:

*November 23, 2011*

**Environmental Science**

Relate the Fourth Principle of Ecosystem Sustainability to: a. endangered species

*November 23, 2011*

**Environmental Science**

Can someone please help me with this question because when I post this question earlier, some lady or tutor just gave me some links on where to find the answer and I had already did that and still couldn't find an answer? Here it is. Relate the Fourth Principle of ...

*November 23, 2011*

**Environmental Science**

Relate the Fourth Principle of Ecosystem Sustainability to: a. endangered species:, b. agriculture:, c. biotechnology:, d. medicine:

*November 22, 2011*

**Science**

why can't you use Carbon to extract Aluminium? and How do you extract Aluminium using elecrolysis?

*October 9, 2011*

**Statistics**

What Z value corresponds to the lowest 20% under a normal curve

*July 16, 2011*

**Grade 11 math**

yes

*April 28, 2011*

**Physics**

how

*April 4, 2011*

**french**

on regarde le match? -------------------- on marche sur la corniche? ------------------------ on parten voiture? ---------------- on va aila tour du caire? ---------------------- je fais une excursion au fayoum? -------------------------------- nous de'jeunons au ...

*March 27, 2011*

**CHEMISTRYYY**

A hydrated aluminium sulphate A12(SO4)3.xH2O, contains 8.10% of aluminium by mass. Find the value of x

*November 19, 2010*

**chemistry**

Calculate the Calorimeter Constant if 25 g of water at 51C was added to 25 g of water at 25C with a resulting temperature of 35C?

*October 15, 2010*

**physics**

A stone is thrown vertically upward with a speed of 11.5 m/s from the edge of a cliff 95.0 m high. (a) How much later does it reach the bottom of the cliff? (b) What is its speed just before hitting? (c) What total distance did it travel? For (c), the right answer is 108.46 m...

*October 11, 2010*

**spanish**

regreso - singular yo form desayunamos - plural form for 'we'

*October 11, 2010*

**physics**

A stone is thrown vertically upward with a speed of 11.5 m/s from the edge of a cliff 95.0 m high. (a) How much later does it reach the bottom of the cliff? (b) What is its speed just before hitting? (c) What total distance did it travel? For (c), the right answer is 108.46 m...

*October 11, 2010*

**physics**

A stone is thrown vertically upward with a speed of 11.5 m/s from the edge of a cliff 95.0 m high. (a) How much later does it reach the bottom of the cliff? (b) What is its speed just before hitting? (c) What total distance did it travel? For (c), the right answer is 108.46 m...

*October 11, 2010*

**physics**

A bag of sand dropped by a would-be assassin from the roof of a building just misses Tough Tony, a gangster 2-m tall. The missile traverses the height of Tough Tony in 0.22 s, landing with a thud at his feet. How high was the building? Ignore friction.

*October 8, 2010*

**world history**

explain the reason of the early roman republic were dissatisfied whith aptricians rule and how the patricians placated them

*April 12, 2010*

**science,**

why look for black precipitate in the butt instead of on the surface of an h2s test?

*April 10, 2010*

**Science**

Impact of California Water Wars on the Owens Valley?

*February 22, 2010*

**math**

60 divided by 4 is 15. 15 is your answer.

*January 20, 2010*

**english**

I need help with this question and would really apprecitae it the help What are three feutures of a lyric poem? Explain how "Song Concerning Dream of the thunderbirds" uses these features

*November 17, 2009*

**biology**

How does the interaction between a carrier protein and the substance it transports resemble the interaction between an enzyme and its substrate?

*October 21, 2009*

**biology**

How does the interaction between a carrier protein and the substance it transports resemble the interaction between an enzyme and its substrate?

*October 21, 2009*

**organic chemistry**

The solubility of a compound is 59g per 100mL in boiling methanol and 30g per 100mL in cold methanol, whereas its solubility in water is 7.2g per at 95 degrees Celsius and 0.22g per 100mL at 2 degrees Celsius. Which solvent would be better for recrystallization of the compound...

*October 17, 2009*

**organic chemistry**

if you were not told which solvent to use in the recrystallization experiment, how would you determine a suitable recrystallization solvent ?

*October 17, 2009*

**english**

why do teenager got an unwanted pregnancy an early marriage?

*September 27, 2009*

**HELP ME pLEASE. DUE TOMORROW D:**

if everyone of them had a different opinion then each one will have 3 argument which will add to 12 this is how i see it.

*March 1, 2009*

**physics**

is the answer 5K ?

*January 30, 2009*

**physics**

a person pushes a box across a horizontal surface at a constant speed of .5 meter per second. the box has a mass of 40 kg and the coefficient of sliding friction is .25. The power supplied to the boxx by the person is... please Explain!!

*January 30, 2009*

**ANSWER THIS2**

81 The man who invented it doesn't want it. The man who bought it doesn't need it. The man who needs it doesn't know it. What is it?

*June 28, 2008*

**chemistry**

predict how many sodium ions would combine with: (a) a chlorine ion. (b) a carbonate ion. (c) a phosphate ion.

*March 24, 2008*

**14 line 10 syllable poem**

i am not sure, do you know where to find other sonnets though?

*October 2, 2007*

**WRITING**

Writing is fun

*August 8, 2007*

**WRITING**

Well

*August 8, 2007*

**pH**

9. The pH of food entering the duodenum is changed from acidic to alkaline by A. gastric juices B. bile pigments C. intestinal enzymes D. pancreatic secretions I am unsure I think It is d YEP YOU ARE CORRECT!!!! Nope. Use the online dictionary to look up bile. http://www.m-w....

*August 3, 2006*

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