Questions Asked on
January 2, 2016

  1. math

    The product of 2 two digit number is 351.What is the two number and what is their sum.

    asked by jena
  2. Calculus

    Which of the following integrals cannot be evaluated using a simple substitution? I think it is A because if you would substitute there would be nothing left in the equation? Is that right? Options ∫√(x-1) ∫1/√(1-x^2) ∫x/√(1-x^2) ∫√(x^2-1)

    asked by Henry
  3. English

    What is Szymborska's overall opinion of humanity in "A Contribution to Statistics?" Support your response with at least two details or quotes from the poem. ___ I'm kind of torn on this one, because I want to say it's a pessimistic tone on humanity...but

    asked by Michael
  4. math- HELP!

    The value of a particular investment follows a pattern of exponential growth. You invested money in a money market account. The value of your investment t years after your initial investment is given by the exponential growth model A=2600e^0.08t How much

    asked by Ellie
  5. Math

    The temperature in the morning was -23.9 degrees farenight. It rose 30.3 degrees by noon and dropped 7.5 degrees by evening. What were the noon and evening tempertures ?

    asked by Ángel
  6. Social Studies (Check, Please!)

    I think my answer is correct, but I'm not sure. How did the Lend-Lease Act help the Allied war effort? A: The Lend-Lease enabled the United States to lend or lease more than $40 billion in weapons, vehicles, and other supplies to those involved in the

    asked by Victoria
  7. biology help please :)

    Two chemists measure the densities of an unknown metal sample. They both find that the sample has a density of 8.94 g/mL. Chemist A uses a chart and says that the metal must be copper since the density of copper is exactly 8.94 g/mL. Chemist B says that

    asked by basketball&batman
  8. geometry

    we have angle ABC = angle ACB = angle DEC=angle CDE, BC = 8, and DB = 2. Find AB.

    asked by sam
  9. Math Exponetial Function Problem Question?

    Im confused if im doing this right Last week there was an earthquake that measured as a magnitude of 3.2 on the Richter scale. Today you hear on the radio that there was a second earthquake that was 27 times more intense than the first. What was the

    asked by Chris
  10. Social Studies (Check, Please!) (Ms. Sue)

    1. How did the Lend-Lease Act help the Allied war effort? A: The Lend-Lease enabled the United States to lend or lease more than $40 billion in weapons, vehicles, and other supplies to those involved in the Allied war effort. 2. What government policies

    asked by Victoria
  11. Social Studies (Ms. Sue)

    I know you already provided a website link for me, but I still don't know how to answer the following question. How did the policy of appeasement affect France and Great Britain? (This was preceding World War II, in which the two countries agreed to

    asked by Victoria
  12. statistics

    Q- Two samples of sizes 8 and 10 are drawn from two normally distributed population having variance 20 and 36 respectively. Find the probability that the variance of the first sample is more than twice the variance of the second sample.

    asked by Vivaan
  13. Math

    Im wondering for this question if I'm right and going toward the right direction. Last week there was an earthquake that measured as a magnitude of 3.2 on the Richter scale. Today you hear on the radio that there was a second earthquake that was 27 times

    asked by Matt
  14. Math

    Lim sin(60-x)/2cosx-1 x approaches 60

    asked by Dave
  15. Algebra

    The table shows the amount of time spent at a park and the admission fee the park charges. Find the rate of charge in the fee with respect to time spent at the park and interpret its meaning. x= time hours 4 5 6 y= admission fees $34.99 $34.99 $34.99

    asked by Kimmy
  16. Physics

    During volcanic eruptions, chunks of solid rock can be blasted out of the volcano; these projectiles are called volcanic bombs. The Figure shows a cross section of Mt. Fuji, in Japan. (a) At what initial speed would a bomb have to be ejected, at angle q0 =

    asked by Sam
  17. Math

    Im trying to find out what the value of this equation is: x^37+ x^31 + x^47+ x^26+ x^63+ x^9 + 6. By using the fact that (x + 1/x) ^2 = 3

    asked by Lola
  18. Maths sum of digit help!!!

    What is the sum of the digit in 4444^4444

    asked by Collins
  19. Science Fair

    I just wanted to ask if this project written below is a High School Project... (Up,up,away in your own hot air ballon) This is the project name and also I don't need a link to this project, I have it already... Just tell me whether it is a high school

    asked by Tisy
  20. science

    Which has more entropy neon or methane

    asked by jyoti
  21. physics

    find the acceleration of a bicycle slowing fron 3m/s to a stop in 5 seconds?

    asked by aira
  22. Physics-science

    A block of wood has a mass of 3.6kg and specific gravity of 0.6. It is to be loaded with lead of density of 11300 kg per cubic metre so that it floats in water with 0.90 of its volume immersed. What mass of lead is needed? (a) if the lead is on top of the

    asked by KAZIN BONNY
  23. maths

    Find the measurement of the first and third angles if the ratio of the three consecutive angles of a cyclic quadrilateral is 1:2:3

    asked by Anamika Adhikari
  24. Simple Interest

    Hi guys, I'm new here, my name is Markus. Can you help me with one simple question? I think I know what it is, though. If any of guys respond back, thank you! $300 at 5 annual interest for 7 years. Find the simple interest earned in the account. a. $214.29

    asked by Markus
  25. chemistry

    Please help me!!! Write a balanced chemical equation for oxidation-reduction reaction of fluorene

    asked by Yusuf
  26. math

    On any given day, the probability that Megan will be late for work is 0.2.Whether or not she is late to work is independent from day to day. Megan was late to work today. What is the probability that she will NOT be late to work tomorrow?

    asked by Gozel
  27. Math / Fractions

    I have 3 mixed fractions 2 1/4 , 1 1/2 , 3 5/8 Now I already turned them into improper fractions. 9/4 , 3/2 , 29/8 But I'm a little confused on how to get the common denominator.. Is it 8? or do I multiply their factors?

    asked by Slave
  28. stat

    A contract employs three types- Class A , Class B and class c. to class A workers, he pays an average monthly salary of $ 400, to class B workers, he pays an average monthly salary of $ 320 and to class C workers he pays an average monthly salary of $ 150.

    asked by moon
  29. Physics

    Imagine a landing craft approaching the surface of the moon of a distant planet. If the engine provides an upward force (thrust) of 2890 N, the craft descends at constant speed; if the engine provides only 2200 N, the craft accelerates downward at 0.36

    asked by Hannah
  30. Social Studies

    Investigating the Off-Shore Wind Map Why would the Task Force recommend that the wind farm be placed 10 nautical miles off the coast? Why would there be a need for a traffic lane? What impact might the turbines have on the animals that make this region

    asked by toolazy
  31. Calculus

    ∫((cos^3(x)/(1-sin^(2)) What is the derivative of that integral? I have been trying to use trig identities but can't find one to simplify this equation. I can't find one for (cos^3(x) or (1-sin^(2)) My options -sin(x) + C sin(x) + C (1/4)cos^(4)(x) + C

    asked by Henry
  32. Statistics

    The coefficient of correlation between the age and blood pressure of a sample of 8 persons was found to be +0.8, the average age is 50 years and average blood pressure is 60. Their standard deviations were 5 and 10 respectively. a) Obtain the two

    asked by Sara
  33. chemistry

    why we add acid to the standardization of sodium thiosulphate solution?

    asked by aiman
  34. chemistry

    why potassium permegnate is colourd

    asked by aiman
  35. Any chance I cud get Dog Training help on here???

    If any1 can help me with training my dog that would be FANTASTIC! I know "dog training" isnt a school subject but... i've looked everywhere for help & i cant afford a pro dog trainer. I also cant find any kind of free help..... Thank you SOOO much for ur

    asked by Scarlett
  36. Math

    If f(u)=u+1/(cos^2u) , u=g(x)=pi(x), x=1/4 , find the derivative of f(g(x)). I can't seem to get this one, step by step please?

    asked by Beth
  37. chemistry

    why we not use HNO3 and HCl in iodometry

    asked by aiman
  38. Calculus

    Last one for me. Evaluate (3x^2)/sqrt(1-x^6) dx I changed sqrt (1-x^6) into 1^(1/2)- x^(3) and let u=1^(1/2)- x^(3) then I got du/dx=3x^2 and subbed dx=du/3x^2 into the equation and got x-(x^4/4) but its not right. Options 7x^3/(3sqrt(1-x^7) + C cos-1(3x)

    asked by Henry
  39. Math

    solve for x using logarithms round your answer to four decimal places. a)2^2x+3=80

    asked by Chris
  40. further maths

    for what range of positive integers is log10 (x-40)+log(60-x)

    asked by mildred
  41. Business Accounting & Finance

    The current liabilities of mohit Ltd are Rs 150000 and it's current ratio is 3:1 and liquid ratio is 1:1. Calculate the value of current assets, liquid assets and stock of Mohit Ltd.

    asked by Vivaan
  42. maths

    Asad had 1/3 of an apple pie he gave 3/4 of what he had to Aryan what fraction of whole pie did Aryan get?

    asked by raichel
  43. Math

    1) in triangle ABC, AD is the angle bisector of < A. If BD = 5, CD = 6 and AB = 8, find AC.

    asked by Daniela
  44. English

    COMMUNITY WEST HOSPITAL  EMERGENCY.....632-3396 Main number 2800E. 50th........632-2291 Billing statements.......632-2273 Family planning....632-7606 Human Resources: Employment verification 10-11am &1:30- 2:30pm....632-2112 Inpatient...632-2219

    asked by Tessy
  45. Math

    A team mom ordered 100 pizzas for $1255. Cheese pizzas cost $11.50 each and pepperoni pizzas cost $13.00 each. Identify and define your variables. Write a sistem of equations.

    asked by Nerd Girl
  46. Calculus

    ∫(x^3-x^2)/x^2 I got (x^2)/(2)-x + C but that's not one of the answers Options x - 1 + C (x^2/2)-(x^3/3) + C (x^4-x^3)/4x^2 + C (x^2/2) -x + C

    asked by Henry
  47. Chemistry

    Q. How much of 80% alcohol should b mixed with 30ml of 95% alcohol in order to prepare 90% alcohol?

    asked by Vitthal
  48. Calculus help plz

    Evaluate in (cuberootof(x+1)/(x-1)).1/(x+1)dx help plz

    asked by Collins
  49. math

    I am having a project on George Boole (mathematician) and I HAVE to include where he went to school, and as I researched it only said Lincoln, United Kingdom ,but I would like to include the school name. Thank you for your help.

    asked by jelena
  50. Math

    What is 50x2? that = 100 am I right?

    asked by Level4Gymnastics Girl
  51. Physics of ice skating

    hello! so I know when learning to skate, you should position your skate at a 45 degree angle, but i'm not sure why. is it because if you just position them straight,the low friction of the ice won't allow you to move/ push forward? plus does the 45 angle

    asked by Nora
  52. Math

    I don't if I'm right for these two questions i just need a check if I'm right,if I'm wrong please show me how to get that answer. Rewrite the following exponential functions as logarithmic functions a)f(x)=9^x ans:f(x) Log^-1(xlog(9)) b)f(x)=(7/8)^x

    asked by Chris
  53. Spanish

    The following paragraph describes what some may consider to be a typical North American tourist. It reflects one opinion only. It does not reflect the opinion of Penn Foster Schools. North Americans who visit foreign countries do not commonly fit this

    asked by jake
  54. MATHS

    A CUBE HAVING T.S .A IS 216sqcm.reshaped and melted in small cubes of 2cm each.how many cubes can be formed?

    asked by RITTIKA
  55. spanish

    someone please help :( The following paragraph describes what some may consider to be a typical North American tourist. It reflects one opinion only. It does not reflect the opinion of Penn Foster Schools. North Americans who visit foreign countries do not

    asked by jake
  56. MRI

    Hi, excuse me , can you solve this problem? You acquired an MRI image and found an aliasing artifact. Choose the one that avoids the aliasing artifact. Acquiring the MRI k-space data at a higher sampling rate Adding higher frequency components to the MRI

    asked by Anonymous
  57. math

    I am having a project about mathematicians on George Boole, and I NEED to include where he worked. I tried searching, but I could not find it. It would be helpful if you knew or found information. Thank you

    asked by jelena
  58. World Civilizations

    Why did northern European powers enter the competition for the New World land and resources in the 17th century? need help please

    asked by annie
  59. Min Pin Refuses to Heel

    Saw some1 else had posted a dog training qu. & visited both websites (nothing unfortunately). Does any1 know how i can get my Miniature Pinscher mix to heel on his walks? I've looked at every website i could think of and came up with nothing. Thnx 4 ur

    asked by Nat
  60. Math

    Saki had 27 questions he answered 19 correct What is his score

    asked by Bernadette
  61. spanish

    The following paragraph describes what some may consider to be a typical North American tourist. It reflects one opinion only. It does not reflect the opinion of Penn Foster Schools. North Americans who visit foreign countries do not commonly fit this

    asked by jake
  62. static

    The coefficient of correlation between the age and blood pressure of a sample of 8 persons was found to be +0.8, the average age is 50 years and average blood pressure is 60. Their standard deviations were 5 and 10 respectively. a) Obtain the two

    asked by moon
  63. Maths help equation

    Evaluate x in 1/x

    asked by Collins
  64. spanish

    The following paragraph describes what some may consider to be a typical North American tourist. It reflects one opinion only. It does not reflect the opinion of Penn Foster Schools. North Americans who visit foreign countries do not commonly fit this

    asked by jake