Saturday
February 28, 2015

Posts by Daniel


Total # Posts: 883

algebra
1. x2+5x+6 2. x2+7x+12
May 7, 2010

math
Nth expression for the following:6,11,17,24,32.....
May 5, 2010

calculus
Let g(x)= integraton (top 3x, bottom 2) e^t^4 dt. Find the value of g'(0).
May 2, 2010

math
Hi, this is a worksheet problem so i do not have the answer to it. It came with a pic though. Here is the link. Thanks. img121.imageshack.us/i/dsc01000vu.jpg/
May 2, 2010

english
extrapolated
April 27, 2010

english
after studying the clues, sherlock holmes _____________ that the butler had committed the murder. reconciled endeavored extrapolated aquiesced infused
April 27, 2010

english
1 A 2 E
April 27, 2010

english
1. B 2. C
April 27, 2010

english
1) lassitude 2) D
April 27, 2010

english
1) Due to the _____ of the fire, the residents of surrounding homes were evacuated. (A) magnitude (B) consensus (C) laaitude (D) deportment (E) simulation 2) Sophia lives a(an) _________nieghborhood; many people have a similar_________- (A) prosperous.....occupation (B) ...
April 27, 2010

english
thank you
April 27, 2010

english
The boys ____ climbingup the ______ cliff,but decided it was too dangerous. (A) asecended....lethal (B) contemplated....sinister (C) endured....mundane (D) simulated....dreary (E) declined....obscure
April 27, 2010

Physics
Yes, it will. use equation: minimum thickness= wavelength(nm)/(4*index of refraction) so for your example it would be t=600/(4*1.25) which comes to 120nm. for the second part, use eq. 2t= ((m*wavelength)/index of refraction) so again 2t=((1*600))/1.44) and t= 208.3nm
April 22, 2010

science
what is the oort and were is it located
April 21, 2010

chemistry
65.2g
April 10, 2010

spanish
Form complete sentence using the imperfect: Cada semana/yo/asistir a/escuela primaria
April 8, 2010

MATH
You shouldn't search help on PROMYs questions...
April 2, 2010

6th grade Language Arts
That's the word that I'm not allowed to use. So If I use compromise in the second blank, I don't know what to use in the first blank.
March 30, 2010

6th grade Language Arts
that's what I thought, but what about the first blank?
March 30, 2010

6th grade Language Arts
We had a great difference of _______, we finally came (together) on the (opinion) that something needed to change so we made a _______ that each person could live with. I need to fill in the blanks that mean the same as the words in parenthisis. This is a stem homework project...
March 30, 2010

Math
Bob and his dad visited the hardware store on Saturday. They observed the following transactions: Mr. Harris bought 4 for $0.50, Mrs. Clarke bought 21 for $1.00, Mr. Montaro bought 1,134 for $2.00, and Ms. Park bought 450 for $1.50. What were they buying?
March 25, 2010

math
2x^3(x^2+2x)^-1/2 -(x^2+2x)^1/2 / x^2 the whole numerator is over x^2
March 22, 2010

Advice on IB subjects
Hey there all! Im desperate for some advice on my subjects at IB! I have decided on chem bio higher and english spanish standard. I am battling between Maths and Economics higher! I really like Maths and had decided to take it but now that I told people my options everyones ...
March 21, 2010

Algebra 1
Dumb teacher Mrs sue has no life when will we ever use any of this $hît. But anyway the answer is; it is tacks free. No spaces.
March 9, 2010

chemistry
What is the pH of the solution that results from mixing the following four solutions together? (1) 150. mL of 0.250 M NaCl (2) 300. mL of 0.200 M HCl (3) 100. mL of 0.050 M HNO3 (4) 450. mL of 0.200 M NaOAc any help is greatly appreciated!
March 7, 2010

chemistry
What is the value of [HCO3- ]/PCO2 for someone with mild acidosis, with a blood pH of 7.30? 1. 0.038 2. 0.38 3. 0.030 4. 0.30 5. 3.0
March 7, 2010

chemistry
Thanks a lot!
March 7, 2010

chemistry
Which of the following mixtures will result in the formation of a buffer solution when dissolved in 1.00 L of water? i) 0.50 mol HClO2 and 0.25 mol HCl. ii) 0.50 mol HClO2 and 0.25 mol NaOH. iii) 0.50 mol NaClO2 and 0.50 mol HClO2. iv) 0.50 mol NaClO2 and 0.50 mol HCl.
March 7, 2010

6th grade math
Operations for 9/2m - 8 = -5.5 + 4m? Please help
March 4, 2010

math
i need help rounding numbers. for example, 34.566 to the nearest hundreds.
February 3, 2010

algebra
2x^2-8x-42 over 6x^2 divided by x^2-9 over x^2-3x
January 28, 2010

math
2xsquare- 8x - 42 over 6x square divided by x square - 9 over x square - 3 x
January 28, 2010

math
a movie theater charges $7 for an adult's ticket and $4 for a child's ticket. on a recent night the sale of child's tickets was three times the sale of adult's tickets. if the total anount collected for ticket sales was not more than $2,000, what is the ...
January 28, 2010

math
four times the larger number of two numbers is equal to seven times the smaller.the sum of the numbers is 22.find the numbers
January 27, 2010

algebra
a-13whena=13.so33-13=20 that's the ans 3x+2y-2zwhenx=5,y=2,z=1.so3(5)+2(2)-2(1)=17
January 27, 2010

9th grade
How do you factor this expression? 10x+15
January 24, 2010

Calculus
Prove that the average of LRAM and RRAM is equal to TAM.
January 24, 2010

biology
explain the role of antigens and antibodies in natural and artificial control of diseases
January 23, 2010

social studies
Where did the pickle first originate?
January 20, 2010

Algebra
x + square root of 5 / x - square root of 5
January 18, 2010

accounting
“When in need, Google!” has become the single solution for all and any problem under the sun. Your accounting homework problems are no exception to this. By the time you settle down in college after finding campus routes, remembering locker codes and making new ...
January 14, 2010

9th grade
s8impliy this exponential expression): -2 7 -8 ) 6 -9)8 (7) * (x) * (w * (x *(4) * -3) (w
January 6, 2010

algebra
How do you do standard form
January 6, 2010

social studies
the ottomans adopted a policy of religious tolerance.why did they follow this path?The golden Age of muslim.
December 15, 2009

Physics
A football player kicks a football with an initial velocity of 30m/s at an angle of 55 degrees relative to the flat ground. a)what is the speed of the football at its highest point b)find the highes point reached c)find the total time in the air d)how far is the football ...
December 13, 2009

math
What multiplication fact can be found by using the arrays for 2x9 and 5x9?
December 7, 2009

Physics
Measured along the surface of the water, a rectangular swimming pool has a length of 15.9 m. Along this length, the flat bottom of the pool slopes downward at an angle of 16.9 ° below the horizontal, from one end to the other. By how much does the pressure at the bottom of...
November 30, 2009

Physics
The Mariana trench is located in the Pacific Ocean at a depth of about 11 000 m below the surface of the water. The density of seawater is 1025 kg/m3. (a) If an underwater vehicle were to explore such a depth, what force would the water exert on the vehicle's observation ...
November 30, 2009

Physics
Standing waves are set up on two strings fixed at each end, as shown in the drawing. The two strings have the same tension and mass per unit length, but they differ in length by 0.55 cm. The waves on the shorter string propagate with a speed of 41.8 m/s, and the fundamental ...
November 30, 2009

Physics
A string has a linear density of 6.7 x 10-3 kg/m and is under a tension of 210 N. The string is 1.6 m long, is fixed at both ends, and is vibrating in the standing wave pattern shown in the drawing. Determine the (a) speed, (b) wavelength, and (c) frequency of the traveling ...
November 30, 2009

Physics
The transverse standing wave on a string fixed at both ends is vibrating at its fundamental frequency of 250 Hz. What would be the fundamental frequency on a piece of the same string that is twice as long and has four times the tension?
November 30, 2009

chemistry 11
Hi, I am stuck on a couple questions in chemistry 11. The questions are 1. Calculate the number of moles of the anhydrous salt left behind 2. Calculate the number of moles of water removed by heat from your sample of hydrate. 3. Calculate the moles of water per mole of ...
November 22, 2009

12th grade
Can someone look over my admissions essay for Brown?
November 21, 2009

math
3,000 / 90 = 33.33 students per instructor 3,500 / 33.3 = 105.1 105 - 90 = 15
November 11, 2009

english
what does the prefix etym mean
November 6, 2009

literacy
i need to know which country these words came from caravan,yoghurt,sofa,dessert and shampoo
November 6, 2009

artist
1485 to 1489
October 19, 2009

social economics politics
debate the following proposition: "the countries of india and china have a "right" to pollute the environment until they catch up with more industrialized countries".
October 12, 2009

4th grade Math
34
September 29, 2009

physics
F=ma , T=ma T = (61kg)(9.81m/s^2) = ? N (do the math) Constant rate would mean there is no acceleration, so T = ma + m(0)== ma Furthermore, if the gymnast is climbing up at a certain acceleration, lets say 2.1 m/s^2, use the rate at which they climb for the acceleration in the...
September 27, 2009

math
how can i round each number to the place of the underlined digit?
September 22, 2009

math
how can i rounfd each number to the place of the underlined digit?
September 22, 2009

7th grade
waht is used to mix substances, like a spoon, is two words?
September 3, 2009

science
How do I diagram the four plant families? ( I remember rose family and pea family)
August 18, 2009

Science
What are the challenges of managing your chosen terrestrial resource issue?
July 21, 2009

fractions
i want to email you. please send email so i can send my math problems to you.
July 19, 2009

Algebra
In an arithmetic series, the terms of the series are equally spread out. For example, in 1 + 5 + 9 + 13 + 17, consecutive terms are 4 apart. If the first term in an arithmetic series is 3,the last term is 136, and the sum is 1,390, what are the first 3 terms?
July 14, 2009

arithmetic
N = the term number right?
June 21, 2009

arithmetic
How do you find the sum number of an arithmetic sequence? I forgot and my textbook does not explain it well.
June 21, 2009

Chemistry UGH
Help please! I can't solve any of these, would someone be as kind as to show me the answers? How many moles of NaHCO3 are in a 125.0 g sample of the compound? 3. How many moles are in 6.73 x 1024 water molecules? 4-5. AgBr, a chemical used in photography can be made with ...
May 28, 2009

Chem
If the rocket engine contains 1500.0 g of H2O2 and an excess of N2H4, what volume of water vapor will be produced when the rocket fires up to a temperature of 540oC and a pressure of 1.2 atm? I honestly dont GET this thing, ugh =( Please Help!!
May 28, 2009

12th grade
Penn Foster Examination #93051 Cooking Appliances I've gotten 16 out of 25 completed but I'll just post the whole exam to make sure I have THOSE right. Thanks for your help guys!
May 23, 2009

Calculus
YA i can't fingure out how to use it either im thinking that it could be the xi = a+x(change of x)
May 5, 2009

math
I have the number of gun deaths in 2005=36,038 2009=43,146 I think these are too high but I followed the equation to arrive at these numbers. Have I made a mistake? I cannot figure the 9,383 number into a year after 2000.Can anyone help me?
May 2, 2009

math
The equation y=1777x27,153 can be used to predict the number of gun deaths in the US x years after 2000 that is x=o corresponds with 2000 x=3 corresponds to 2003 etc Predict the number of gun deaths in 2005 and 2009 In what year will the number of gun deaths be 9,383?
May 2, 2009

Math
I have figured the equation for this word problem Train A is traveling parallel to Train B. Train A is traveling at 100 mph and Train B at 110 mph Train A passes a station at 1:15pm Train B passes the same station at 1:45pm When will Train B catch up with Train A? I have 100*t...
May 2, 2009

Algebra
Find the Domain of the function g(x)=7/7-4x Please help me understand this better Thanks
April 30, 2009

5th grade
2/4 and 3/7
April 7, 2009

physic
A spring has stiffness of 100Nmm, the initial compression of the spring is 15mm, and it is then compressed to 65mm. •1Nmm = 0.001Nm •100Nmm = 100 X 0.001 = 0.1Nm •Comp.1 = 15 mm = 0.015m •Comp.2 = 65 mm = 0.065m a) i-Find potential energy at 15mm. ii- Find ...
April 2, 2009

Chemistry
A voltaic cell is constructed as follows: Ag(s)|Ag^+,(satd Ag2CrO4)||Ag^+(0.110 M)|Ag(s). What is the value of Ecell? For Ag2CrO4, Ksp=1.1*10^-12.
March 28, 2009

english
please proof read.
March 23, 2009

english
Even as mankind evolved from Neanderthals to humans, It has never officially withdrew its inherent selfish predatory trait. Evolution has taught mankind an evil lesson: “Survival of the fittest”. Likewise, in the text George shoots Lennie not only as result of the ...
March 23, 2009

english
please proof read.
March 23, 2009

english
Throughout the novel it is evident that Lennie and George share a deep and faithful relation with one another. For example, Although George acts as Lennie’s caretaker, they both have a sense of trust, companionship, togetherness which no other characters seem to have in ...
March 23, 2009

english
ms sue i just proofread it. I want to make sure it is good before i integrate the secondary sources. do you mind if you proofread a couple of paragraphs. please note i removed the page numbers of the quotes to save space.
March 23, 2009

english
could anyone proof read my essay? could i send it to someone? If i post it here people might steal it. please i really need someone to proofread it.
March 23, 2009

chemisrty
a 445 g sample of ice at -58 degrees celcious untill its temperature reaches -29 degrees celcius. find the change in heat content system
March 22, 2009

english
how can i improve this opening paragraph? can anyone please proof read. "Life, liberty, and the pursuit of happiness” is a quote coined by America's forefathers after the signing of the Declaration of Independence in 1776 which refers to the freedom and ...
March 21, 2009

english
I need someone to proof read my essay? are there any communities where i can get it proof read?
March 20, 2009

Earth Science
Coastal areas are usually warmer in winter than areas inland because?
February 17, 2009

6th grade
where can i get help with the geometric shapes
February 12, 2009

history of the arts
The Grand Tour was considered a feature of affluent men and women. true or false I am not sure, but reading through the text it says it was the large cultural visit to sites in southern europe. given that i believe it is true!
February 5, 2009

history of the arts
The Grand Tour was considered a feature of affluent men and women. true or false
February 5, 2009

3rd grade math-help
Write three ways to find 3x2x4
January 20, 2009

Math (Probability)
I've worked out the first part of the question, just need help with the second part which is: The spinner has three sections. While no two are the same size, one of the sections is half the size of another. • You are more likely to get 2/3 than one if you sum two ...
January 9, 2009

Math
My question: A spinner looks like this: A disc divided into sections that might or might not be the same size, with a pointer that when spun will land on some part of the disc at random. The sections might be colours, or, as in these problems, have numbers in them. There are ...
January 8, 2009

biology
what letter represents the nucleus of a cell?
January 8, 2009

science
Does anyone know what letter represents the nucleus of a cell?
January 7, 2009

Science
What letter represents the nucleus of a cell?
January 7, 2009

french
merci beacoup madame
December 15, 2008

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