Saturday
August 30, 2014

Total # Posts: 226

physics
the jet has a speed of 250 miles/hr, carried a bomb of 20 kgs, im 3000 ft. how seconds the bomb fall in to 3000 ft?
June 29, 2012

Honors English III
Write your own journal entry from the perspective of a member of Bradford's colony. What do you think of these unruly pirates? What shocks you the most about these surly characters? How do the manners of the pirates differ from yours?
June 14, 2012

Trigonometry
find all values of theta in the interval 0<theta<360 that satisfy the equation 3cos 2theta + 2 sin theta+1=0
May 20, 2012

what is electromagnetic energy?
May 4, 2012

Social Studies
When was hinduism invented and by who?
April 25, 2012

mental maths
what is 15 degrees lower than 7c
April 11, 2012

Algebra
9X+y=2 -4X-y=17
April 11, 2012

maths
If I am a proper fraction with a denominator of 20 and my decimal equivalent is 0.6 then what am I
March 21, 2012

Chemistry
amount of heat generated by the combustion of 245 g of CH3OH in 2CH3OH(l)+3O2(g)=2CO2+4H2O(l)
March 19, 2012

History - Italy
What is the history of the Italian sports of soccer and football. Is Italian football the same as American soccer? If so, what is Italian soccer? Thanks for your help.
March 18, 2012

Physics
If a baseball falls a vertical distance of 2.6 m from the first to the last image, what is the time interval between the first and last image?
March 13, 2012

chemistry
the question was to check all that apply: BO33- H+ H3BO22+ O2- H3BO3 OH -
March 12, 2012

chemistry
what are the solute particles present in boric acid (H3BO3)?
March 12, 2012

chemistry
CrCl3(s) + AgNO3 (aq)= AgCl(s) + Cr(NO3)3(aq) A 0.750 g sample of impure CrCl3 was removed from a bottle that contained 1.75 g of impure sample. The removed sample was dissolved in water and required 42.5 mL of 0.215 M AgNO3 solution to react with the CrCl3 in the sample. What...
March 12, 2012

chemistry
Al(s) + H2SO4(aq)-> Al2(SO4)3(aq) + H2(g) Consider the unbalanced equation above. What volume of 0.490 M H2SO4 is needed to react with excess aluminum to produce 1.60 g of Al2(SO4)3? Use a molar mass with at least as many significant figures as the data given.
March 12, 2012

chemistry
H2SO4(aq) + NaOH(aq)-> Na2SO4(aq) + H2O(l) Consider the unbalanced equation above. What is the concentration of the original sulfuric acid solution if 60.5 mL of the acid reacts with 18.0 mL of 0.110 M sodium hydroxide?
March 12, 2012

chemistry
If 180.0 mL of 0.270 M NaOH are mixed with 230.0 mL of 0.500 M NaOH, what is the molarity of the final solution? Assume the volumes are additive.
February 27, 2012

chemistry
How many mL of 4.50 M NaOH must be diluted to produce 160.0 mL of 2.50 M NaOH?
February 27, 2012

statistics
A SINGLE CARD IS SELECTED FROM A STANDARD DECK OF 52 CARDS. IF YOU KNEW THAT THE CARD WAS A PICTURE CARD, WHAT IS THE PROBABILITY THAT IT WAS ALSO RED?
February 27, 2012

Chemistry
Silver(I) nitrate and sodium sulfate react to form silver(I) sulfate and sodium nitrate. Suppose 45.98 mL of 0.060 M silver(I) nitrate solution and 26.64 mL of 0.10 M sodium sulfate solution are mixed. What is the maximum number of grams of silver(I) sulfate that can be made?
February 22, 2012

Chemistry
N2(g) + O2(g) --> N2O5(g) (a) Consider the unbalanced equation above. What is the maximum mass of N2O5 that can be produced when 43.0 g of N2 and 43.5 g O2 react?
February 22, 2012

College Chemistry
C6H6(l) + Cl2(g) --> C6Cl6(s) + HCl(g) Consider the unbalanced equation above. What is the maximum mass of each of the products that can be formed when 72.5 g of C6H6 and 49.0 g Cl2 react?
February 22, 2012

physics
What is the mass of a person who weighs 750N?
February 19, 2012

cjs
The current threat of terrorism has made many legislatures in Congress think about the United States combining all the police agencies into one national police organization. The centralization of power would stop the discombobulated nature of the 3 government levels of police ...
February 19, 2012

math
ms fuller has 2 2/6 pies left over from her party. write the number of pies left over as a fraction greater than 1
February 13, 2012

science
what is the massof fresh water(p=1.00g/cm^3) in a 72.8L tank?
February 2, 2012

chemistry
If you ran silver nitrate on tap water and distilled water,which one may show a slightly positive reaction? Why?
January 18, 2012

science
Betsy and Michael are 150 meter apart, Michael is walking toward Betsy at a constant speed of 2.5m/s. start from the rest, how long it take to meet?
January 16, 2012

science
Betsy and Michael are 150 meter apart, Michael is walking toward Betsy at a constant speed of 2.5m/s. start from the rest, how long it take to meet?
January 16, 2012

Subject agreement
You --------to the old north church (walk) do you use (are walking) or stays the same for present tense?
December 14, 2011

math
-[-(-k)] -(-2)(-2 + k) = -k - (4k + 3)
December 11, 2011

math
-[-(-k)] -(-2)(-2 + k) = -k - (4k + 3)
December 11, 2011

maths for social science
. A project management consultant estimated that if a particular project was completed, that t years after its date of completion, P thousand persons would be direct beneficiaries of the project, where P (t) = t3/3 - 5t2 +20t, 0<t<12 For what value of t will the maximum ...
November 7, 2011

calculus
. A project management consultant estimated that if a particular project was completed, that t years after its date of completion, P thousand persons would be direct beneficiaries of the project, where P (t) = t3/3 - 5t2 +20t, 0<t<12 For what value of t will the maximum ...
November 7, 2011

Thank you.
November 2, 2011

Thanks! How would you know whether to add or subtract?
November 2, 2011

November 2, 2011

Statistics
She DID do that.
November 2, 2011

November 2, 2011

October 10, 2011

Calculus
Define the quotient rule.
October 10, 2011

This Website.
Why do some people's posts get deleted?
October 10, 2011

THe base word is "call". The base word is "burn".
October 10, 2011

She's right.
October 10, 2011

Math/Algebra
dan is 12 inches taller than jay. use X for jay's height. which expression shows dan's height?
September 22, 2011

math
5/x=10/3x+4
August 22, 2011

Social Studies
What was the Albany Plan?
April 21, 2011

Math
Simon and Leah had Eight stamps. Leah had three times as many stamps as Simon. How many stamps does Leah have??
April 20, 2011

English
I would ask to help the person
March 2, 2011

math
315 divided by 5
February 28, 2011

math
5 divided by 315
February 28, 2011

physics
will i need hlep with the right of citizens of the united states orto vote shall not be denied or abriged by the united states or by any state on account of sex so what the answer
February 24, 2011

History
i dont entirely know about the spanish american war, but world war one was caused by many things. high tensions formed by various alliences, nationalism and the dividing of africa among european powers, had put the world on edge. these tensions exploded when a young serbian ...
February 17, 2011

two congruent opposite sides of a trapezoid are each 4 inches longer than the top base of the trapezoid. The top base of the trapezoid is one third as long as the bottom base of the trapezoid. If the perimeter is 56 inches, what is the length of each of the four sides of the ...
February 9, 2011

college Chemistry
Popcorn kernals pop independently (i.e. unimolecularly). For one brand at constant temperature, 11 kernals pop in 10 seconds when 240 kernals are present. After 145 kernals have popped, how many kernals will pop in 10 seconds?(Your answer may include fractions of a kernal) I ...
January 29, 2011

comp
How do I write two sentences about family financial goals using the past progressive and future progressive tenses?
January 29, 2011

algebra
polynomials 8j^3-4jk^3-7
January 25, 2011

Chemistry 214
Help! A soultion contains 0.100 Pb(NO3) and 1.00x10^-5 M AgNO_3. It is intended to separate out the silver by selective precipitaion of AgI. What is the maximum percentage of total silver that can be recovered free of contamination by PbI_2? (ksp for AgI=1.5x10^-13.. Ksp for ...
November 12, 2010

Grammer
What is the simple subject and simple predicate in the sentence The smell of cooking is delicious to the hungry campers?
November 11, 2010

Statisitcs
Suppose that X and Y are independent discrete random variables and each assumes the values 0,1, and 2 with probability of 1/3 each. Find the frequency function of X+Y.
October 30, 2010

math
just do wait here is a example 34 times 41 take the 30 aND THEN THE ONE AND TAKE THE 40 AND THE THE 1 AND 30 TIMES= 120 AND THEN MULT. 4 TIMES1 WHICH IS4 AND ADD THEM TOGETHER AND IT IS 124.
October 27, 2010

PHYSICS
1.53 seconds to get to highest point so 1.53x2 to reach the end of the porabola. 3.06 seconds
October 17, 2010

social studies
what is lattitude?
September 29, 2010

What two European countries helped start the Age of Explorations?
September 9, 2010

September 8, 2010

math
The width of a rectangle is 6 cm less than the length. A second rectangle, with a perimeter of 54 cm, is 3 cm wider and 2 cm shorter than the first. What are the dimensions of each rectangle. Please give complete answer :)
August 25, 2010

physics
138 or rounded to 140!
June 26, 2010

psychology
Trace the memory system from stimuli into long-term memory. Siscuss the features of each step and factors that enhance or impede information flow in each step of the process. Explain proactive and retroactive interference and how you might counteract their effects while ...
May 23, 2010

How do you do double dight divison
May 20, 2010

physics
Tarzan, mass 85 kg, swings down on the end of a 28 m vine from a tree limb 4.4 m above the ground. How fast is Tarzan moving when he reaches the ground?
May 11, 2010

I'm in 6th grade, the answer is 4, the reason is because, 20 divided by 4=5 and 5x4=20, so the answer is,4.
May 11, 2010

I Only Need Question 3. I have completed the rest. I have had several solutions and cannot come up with an answer. Thank you! Envision that you have served as business manager of Media World for over 2 years. You have noticed that for the last 12 months the business has ...
April 24, 2010

Help! I have had several solutions and cannot come up with an answer. Thank you! Envision that you have served as business manager of Media World for over 2 years. You have noticed that for the last 12 months the business has regularly had cash assets of \$20,000 or more at the...
April 24, 2010

English
the plot of strange objects by gary crew
April 19, 2010

Microbiology
Which of the following tests are used to differentiate between these bacteria: Tests: Bacitracin Test, SXT Test, CAMP Test, Enterococcosel Agar, 6.5% NaCl Test and Optochin Test A) Streptococcus viridans and Streptococcus faecalis B) Group A and Group B Streptococci C) Group B...
March 25, 2010

physics
Find the tangential acceleration of a freely swinging pendulum when it makes an angle θ with the vertical. (Use theta for θ and g as necessary.) i tried 2.56 as an answer and it was wrong, so im guessing im suppose to use symbols?
March 14, 2010

physics
A space station is shaped like a ring and rotates to simulate gravity. If the radius of the space station is 150 m, at what frequency must it rotate so that it simulates Earth's gravity? [Hint: The apparent weight of the astronauts must be the same as their weight on Earth...
March 13, 2010

physics
A roller coaster has a vertical loop with radius 17.9 m. With what minimum speed should the roller coaster car be moving at the top of the loop so that the passengers do not lose contact with the seats? (how do i go about in solving this)
March 13, 2010

statistics
The accounting department at Weston Materials, Inc., a national manufacturer of unattached garages, reports that is takes two construction workers a mean of 32 hours and a standard deviation of 2 hours to erect the red barn model. Assume the assembly times follow the normal ...
March 11, 2010

Writeacher, I know what you mean! the assignment is quit simple just requires a lot of reading and some research online but this one part of the first question is sooo vague and the books are even more vague not to mention insufficient. Your idea of it is the same as mine so I...
March 10, 2010

In one of my assignments I'm suppose to explain the types of input text in business case analysis. I read my book and the resource book but all it says is that there are more types of input texts than the case study itself. :S I tried searching online for more indepth ...
March 10, 2010

math
No, I still do not understand. why did you subtract 29 from 18? what do you do with 11?
January 26, 2010

math
Make up a set of 7 numbers having the following landmarks: mode:21 median:24 maximum:35 range:20 I do not understand.
January 26, 2010

english
difference betwween following words. i have these words for spelling and iont know the difference. can you help me. annyway any way,all right alright,every one everyone, already all ready, there's their's, anyone any one, altogether all together
January 26, 2010

Math
Your mom is a sporting person, so when it's close to your bedtime, she will have a contest with you to see if you get to stay up and extra half-hour to play a computer game. You get to draw a card from a well-shuffled deck. If you draw a face card, an ace, or any heart, ...
January 11, 2010

Math
Back in the old days, couples would enter marathon dance contests to win money. They would dance continuously, with only short breaks for food and drink. Some contests would go on for over a week. How many hours of dancing would there be in a 7-day week?
January 11, 2010

physics
Find the resultant force of a 32-N force pulling horizontally on a wooden crate and a 20-N force pulling at an angle of 49 degrees upward of horizontal. (Your answer should include magnitude and direction of the force)
December 4, 2009

science
What will happen if the polar bear became extinct?
November 16, 2009

biology
In D. virilise, the mutations dusky body (dy), cut wings (ct) and white eyes (w) are all recessive alleles located on at different places on the x chromosome. Females heterozygous for all three mutations were crossed to dy ct w males, and the following phenotypes were obtained...
October 28, 2009

math
A car accelerates 15m/s^2 the car has a mass of 45000kg. what force is needed for this to occur?
October 1, 2009

algebra
n+5=5+n? commutative, associative, and identity properties
August 30, 2009

essay writing
what were the speakers arguments and counterarguments in charles foster kane speech
July 19, 2009

college
On january 1, 2007 yarrow corp. had 1000000 shares of common stock outstanding. on march 1 the corp had issued 15000 new shares to raise additional capital. on july 1 the corp. declared and issued a 2 for 1 stock split. on october 1 the corp. purchased on the market 600000 of ...
May 6, 2009

Physics
1/12 * L
April 2, 2009

math
Its 43.6
February 5, 2009

Math
Here is the question that I need to answer: Mr.T wanted to remodel his box, He wanted to make it the shape of a perfect regular dimension. A.) How many total degrees would the interior of Mr.T's decagon have? SHOW WORK. B.)How many degrees would each angle be in Mr. T'...
January 8, 2009

intergrated science
can u unsramble this word for me please the assatiepr
November 8, 2008

maths
the galaxy we live in is roughly lens shaped,and pins.its diameter is given inlight years. (1 light year=9.5Exp12km) calculate the circuference or our galaxy in kilometres. the earth is at a point 3Exp4 light yaersfrom the centre.How far does the earth travel in one turn of th...
August 23, 2008

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