Hana
Popular questions and responses by Hana
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?
asked on November 8, 2015 
math
How many 6letter words can be made from the letters WASTEFUL if repetition of letters is allowed?
asked on November 1, 2015 
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
asked on April 8, 2013 
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!!
asked on January 30, 2009 
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 ?
asked on 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 09), where no repetition of any letter or digit is allowed?
asked on November 2, 2015 
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 stepbystep
asked on February 3, 2016 
Physics
How do I solve this problem? The answers were given. Two point charges are separated by 25.0 cm. Find the net electric field these charges produce at: (a) point A (Ans: 8740 N/C, to the right) (b) point B (Ans: 6540 N/C, to the right) (c) What would be the
asked on September 25, 2019 
Physics
A 10ft,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?
asked on September 19, 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
asked on February 21, 2016 
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
asked on May 2, 2013 
chemstiry
titration of 25ml of Na2CO3 with 0.352mol/l HCl of 15.2ml what is the molar concetraion of sodium carbonate
asked on January 11, 2012 
dara
the volume of a cube increases at average of 24cm^3 /min while it's length increases 2 cm/min
asked on January 18, 2013 
game design
What ancient game was used to settle disputes between rival cities in Mexico? the Olympics Chaturanga the Royal Game of Ur the Mesoamerican Ballgame
asked on September 26, 2019 
math
If you randomly select a card from a wellshuffled 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.)
asked on November 8, 2015 
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?
asked on January 14, 2013 
CHEMISTRYYY
A hydrated aluminium sulphate A12(SO4)3.xH2O, contains 8.10% of aluminium by mass. Find the value of x
asked on November 19, 2010 
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
asked on August 3, 2006 
Math
A girl is sitting on a sled. She is pushed by a spring that was compressed 0.8m. The spring constant is 2500 N/m. After moving 2.5 m across a surface that applies 60 n of friction, the girl and the sled slid up a frictionless hill. How high do the girl and
asked on April 24, 2020 
chemistry
Determine the ionic strength of the solution formed by combining the following two aqueous solutions: Potassium iodide (aq), KI: 70.0 mL, 0.203 M Ammonium sulphate (aq), (NH4)2SO4: 35.0 mL, 0.246 M
asked on April 8, 2020 
Maths
The product of two positive integers plus their sum is 95. The integers are relatively prime, and each is less than 20. What is the sum of the two integers?
asked on October 8, 2017 
Math
Matthew and Christopher set up their Teenage Mutant Ninja Turtles in a big circle, spacing each turtle equal distance from its neighbors. They then begin counting them in order around the circle, but they lost track of where they started before they finish
asked on January 18, 2017 
Math
A length of metal pipe has a circumference of 2.5 inches. the pipe is 1/16 inches thick. a gas fitter needs to know the inside diameter of the pipe to calculate the gas pressure. What is the total diameter of pipe including metal? how much of the diameter
asked on December 13, 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
asked on February 21, 2016 
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?
asked on 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?
asked on 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???
asked on 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?
asked on June 6, 2014 
Child day care management
A2006 survey stated that youngsters ages 1217 who were left home three or more days
asked on September 24, 2013 
Child day care management
One can encourage children to engage in sociodramatic play by
asked on September 23, 2013 
Child day care management
I need to check my answers for exams number 00385300 working with schoolage children
asked on September 23, 2013 
Child day care management
To determine liability one must figure out who is legally
asked on September 23, 2013 
marketing
How to make segmentation for a healthy food restaurant ?
asked on 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?
asked on January 29, 2013 
english(easy!) my mind cant decide :(
what is the setting for Disney's Snow White and the Seven Dwarf?
asked on 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 :(
asked on 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^x3 I don't know how to do this step by step :(
asked on 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^x3
asked on 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?
asked on January 10, 2013 
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.
asked on May 16, 2012 
Environmental Science
How can I relate the Fourth Principle of Ecosystem Sustainability to: d. medicine:
asked on November 24, 2011 
Environmental Science
How can I relate the Fourth Principle of Ecosystem Sustainability to: c. biotechnology:
asked on November 24, 2011 
Environmental Science
Relate the Fourth Principle of Ecosystem Sustainability to: d. medicine:
asked on November 23, 2011 
Environmental Science
Relate the Fourth Principle of Ecosystem Sustainability to: c. biotechnology:
asked on November 23, 2011 
Environmental Science
Relate the Fourth Principle of Ecosystem Sustainability to: a. endangered species
asked on 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
asked on November 23, 2011 
Environmental Science
Relate the Fourth Principle of Ecosystem Sustainability to: a. endangered species:, b. agriculture:, c. biotechnology:, d. medicine:
asked on November 22, 2011 
Science
why can't you use Carbon to extract Aluminium? and How do you extract Aluminium using elecrolysis?
asked on October 9, 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
asked on March 27, 2011 
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
asked on 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
asked on 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
asked on October 11, 2010 
physics
A bag of sand dropped by a wouldbe assassin from the roof of a building just misses Tough Tony, a gangster 2m 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.
asked on October 8, 2010 
world history
explain the reason of the early roman republic were dissatisfied whith aptricians rule and how the patricians placated them
asked on April 12, 2010 
science,
why look for black precipitate in the butt instead of on the surface of an h2s test?
asked on April 10, 2010 
Science
Impact of California Water Wars on the Owens Valley?
asked on February 22, 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
asked on 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?
asked on 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?
asked on 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
asked on 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 ?
asked on October 17, 2009 
english
why do teenager got an unwanted pregnancy an early marriage?
asked on September 27, 2009 
chemistry
predict how many sodium ions would combine with: (a) a chlorine ion. (b) a carbonate ion. (c) a phosphate ion.
asked on March 24, 2008

physics
E=100g×450J/kg×60° E=2,700,000J
posted on June 3, 2020 
main ideas
The sun’s heat can easing leak away out into space.
posted on May 26, 2020 
chemistry
im not seeming to get the right ans. i used .5(CiZi) but still not working
posted on April 8, 2020 
Geometry
IDK man
posted on March 25, 2020 
physics
Q is 34
posted on October 20, 2019 
Algebra
Algebras hard. DIFFICULT
posted on October 16, 2019 
physics
50
posted on May 13, 2019 
math
i think it is 1.
posted on March 12, 2018 
CDA
the name and contact information (phone number,web site, etc) of translation service for families whose home language is other than English, as well as service that provides American Sign Language translation.
posted on October 24, 2017 
physical geography
i thibnk anartica
posted on September 6, 2017 
chemistry
density H3PO4 = 1.689g/L density = mass/volume mass = 1.689 x 1000 = 1689g H3PO4 in 1000ml solution 1)85 wt% 1689g x 85/100 = 1435.65g H3PO4 (in 1000ml solution) if you want to prepare 100ml of solution 1000ml = 1435.65g 100ml = A A = 100/1000 x 1435.65g =
posted on August 24, 2017 
chemistry
2.4 g
posted on September 26, 2016 
john
yes Statistics please need help
posted on February 21, 2016 
statistics
thanks
posted on February 21, 2016 
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?
posted on February 7, 2016 
math help
Yay! Thanks!
posted on February 3, 2016 
math help
So, is it c?
posted on February 3, 2016 
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
posted on October 26, 2015 
math help
2 1/2
posted on September 29, 2013 
physics
Q=mHf =0.25x3.34x10^5=83500J
posted on May 29, 2013 
english(easy!) my mind cant decide :(
didn't she stay in with the Queen in the beginning?
posted on January 14, 2013 
math
thank you
posted on January 14, 2013 
Physics
how
posted on November 6, 2012 
Grade 11 math
yes
posted on June 17, 2012 
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?
posted on November 2, 2011 
Statistics
What Z value corresponds to the lowest 20% under a normal curve
posted on July 16, 2011 
WRITING
Writing is fun
posted on May 8, 2011 
WRITING
Well
posted on May 8, 2011 
spanish
regreso  singular yo form desayunamos  plural form for 'we'
posted on October 11, 2010 
math
60 divided by 4 is 15. 15 is your answer.
posted on January 20, 2010 
14 line 10 syllable poem
i am not sure, do you know where to find other sonnets though?
posted on May 26, 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.
posted on March 1, 2009 
physics
is the answer 5K ?
posted on January 30, 2009