Questions Asked on
September 29, 2018

  1. Algebra

    Find the sum of the infinite geometric series. 4+1+1/4+.... Sum=a_1/1-r 4/1-4=? r=a_1/a_2 r=4/1=4 a_1=4 I am stuck?Please help me.

    asked by Keonn'a
  2. Physics

    Two alpha particles (helium nuclei) are held in place 1.0 nm apart (use 120 on for the diameter of a helium atom). Compare the electric and gravitational forces acting between the two nuclei.

    asked by Dana
  3. history

    How did European imperialism influence Asia? Lack of interest in European goods led to the distribution of opium, which caused a rise in drug addiction. The Asian market was flooded with European silver, which devalued the local currency and caused an

    asked by Bri
  4. Biology

    A. Mitochondria and chloroplasts are similar to bacteria in size. B. Mitochondria and chloroplasts reproduce by dividing, similar to bacteria. Explain how these two options above are supported by Lynn Margulis SET as opposed to Taylor's theory of autogeny.

    asked by Sally
  5. history

    Which identifies the reason for the rise of imperial powers? European empires desired additional territory due to competition between monarchs for more land. Industrialized nations wanted to extract resources from developing nations. European countries

    asked by Bri
  6. math

    You are charged $279 on your credit card for a hotel stay, you call to complain about the unexpectedly high charge, but are told there are a total of 24% taxes for hotel rooms where you stayed. What was the advertised price of the room before taxes?

    asked by tia
  7. Maths

    Can someone help me pls?? P=7-3q2

    asked by Balabak
  8. Further Maths

    If f(y)=2y3+9y2+ay-b where a and b are constant,find the values of the constant a and b hence (1) factorize f(y) completely (2) State the zeros of f(y) (3) find the remainder when f(y) is divided by (y-5)

    asked by Ande2
  9. Physics

    Two alpha particles (helium nuclei) are held in place 1.0 nm apart. Describe the motion of the two nuclei when they are released.

    asked by Dana
  10. Physics (Engineering Science)

    Find the total resistance (in series) of 1.0 MΩ, 560 kΩ, 5.6 MΩ, 680 kΩ and 10 MΩ So I understand to find total resistance is RT= R1+R2+R3.... but it's the MΩ that's confusing me on what I should do

    asked by Mike
  11. English (by Michelle)

    The tragic (and the dramatic)-it is said- are universal. At a distance of centuries we still grieve at the tribulations of Oedipus and Orestes, and even without sharing the ideology of Homais we are distressed by the tragedy of Emma Bovady. The comic, on

    asked by English
  12. c programming

    write a program and create a flowchart or psuedocode that will ask the user for 3 grades. the program will calculate the average on those 3 grades. the program will display the 3 grades the average and the letter grade.

    asked by k
  13. maths

    A cone has a circular base, a perpendicular height of 21cm and a semi vertical angle of 30degree calculate the slant height of the cone.Find the area of it's base [take pie to be 22/7]

    asked by ijeoma
  14. math

    The driving distance between Manchester and London is 195 miles. Farris intends to travel from Manchester to London by coach. The coach will leave Manchester at 3:30pm Fairs assumes that the coach will travel at an average speed of 50 mph. A) Using his

    asked by Jesss
  15. Macroeconomics

    Let's say I am given a table of information for the values of the real GDP, consumption, investment, exports, and imports. There was an equilibrium GDP where the real GDP = Aggregate Expenditure = C + I + X - IM. If the value of investments changed (went

    asked by Kid
  16. english

    is this sentence correct? In this ad,ethos is used heavy. should it be heavily instead of heavy?

    asked by Jason
  17. Macroeconomics

    If the aggregate expenditure is greater than the actual GDP, that would lead to an increase in unplanned inventories and a decrease in actual investment, right?

    asked by Kid
  18. Physics

    A lump of lead with mass 0.5kg is dropped from height of 20m onto a hard surface it doesn't rebound but remains there at rest for a long period of time. A, find change in heat , change in work, change in internal energy for the lead during this process?

    asked by Yeabsera
  19. Math

    4x=36

    asked by K
  20. math

    Hi, I am helping my daughter with her math from being absent. The question is: The area of a triangle is A-1/2bh. For a given area, are b h in a linear relationship? At first we said yes Y = mX, but then I second guessed myself because there's no linear

    asked by Kareen
  21. english

    7 qualities of a scholarly journal article

    asked by Jason
  22. Mathematics

    The numbers 3-5-7 are three consecutive odds each being prime. Find the next example of a "triple of prime ".

    asked by Abc
  23. history

    Which best describes a cause of US imperialism during the late 19th century? Military leaders believed that spending on warfare would encourage economic growth. Businesses made more goods than domestic consumers were able to buy. Political leaders wished

    asked by Bri
  24. Physics

    23. (1 pt) the signal reached an instantaneous phase of 90 ̊? If 100 Hz pure tone with a starting phase of 0 ̊ is listened to for 1.5 s, then how many times has a) 50 b) 100 c) 150 d) 200 e) 250

    asked by Mary
  25. Math 6th grade

    I have to covert 64 into fraction,decimal and percentage. So my answer is: Fraction 64/64 Decimal 1.01 Percentage 101% Plz correct if it’s wrong. Thank you!

    asked by Mary
  26. further maths

    in a class of 80 student every student had to study f/m or geography or both. if 65 studies f/m and 50 geography how many student studies both subject

    asked by favour
  27. biology

    Identify and explain examples of monomers and polymers in carbohydrates, proteins, and nucleic acids.

    asked by Alicia
  28. math

    Jane has 15 ft. of ribbion and used 1 1/4 ft. for each bow she makes. how many bows can jane make from the ribbon?

    asked by maria
  29. 4th grade math

    How do you write this in expanded form: thirty-eight thousand five hundred twenty-five. Is this right: 3,8000,050,025

    asked by Johnnie
  30. 5th grade math

    Marty had 316 keys and Nick had 541 keys. After both of them lost the same number of keys, Nick had 6 times as many keys as Marty. How many keys did each of them lose?

    asked by Lina
  31. Physics

    A woman stands on a scale in a moving elevator. Her mass is 54.0 kg, and the combined mass of the elevator and scale is an additional 815 kg. Starting from rest, the elevator accelerates upward. During the acceleration, the hoisting cable applies a force

    asked by Rash
  32. Math

    3(p+q)=p solve for p

    asked by A
  33. Algebra/Math

    Kim poured a 24 ounce container of OJ into 5 cups and poured the same amount of OJ into each cup. Which rational number represents the amount of OJ in each cup? A.) 5/24, B.) 5 or C.) 24/5

    asked by Ava
  34. math

    The function A(r)=πr^2 may be used to find the area of a circle with radius r. Find the area of a circle whose radius is 11 centimeters.

    asked by Andrea
  35. Chemistry

    For the following reaction,determine the amount of agcl formed (collected in laboratory) when 10.24 g of kcl react with excess agno3 to produce agcl and kno3 with a 77.24% yield.

    asked by Joel
  36. biology

    Can somebody please explain the difference between exothermic and endothermic reactions?

    asked by emily
  37. English

    In the following literature selections, individuals experience rites of passage in various ways: The Bass, the River and Shelia Mant by W.D. Wetherell Oranges by Gary Soto I Know Why the Caged Bird Sings by Maya Angelou First Lesson by Philip Booth On

    asked by Help plz...
  38. biology

    how are phospholipids similar to lipids such as triglycerides and how are they different?

    asked by emily
  39. Algebra/Math

    Sue, Mike, Daniel, and Mauricio had a race. These are the times. Sue: 7.41 Mike: 7.38 Daniel: 7.43 Mauricio: 7.25. Who ran the fastest? I think it was Sue.

    asked by Ava
  40. physics

    A skateboarder travels on a horizontal surface with an initial velocity of 4.4 m/s toward the south and a constant acceleration of 2.0 m/s2 toward the east. Let the x direction be eastward and the y direction be northward, and let the skateboarder be at

    asked by alison
  41. English

    Included w/ the Book Review Forms, you will need to include at least 2 - 3 photos of YOU w/ the actual books you reviewed. Please do not include photos of your children holding the books. You must actually be included in the photos. The photos should be

    asked by Patrick
  42. Chemistry

    100 mL of buffer solution that is 0.15M HA (Ka= 6.8x10-5) and 0.20M NaA is mixed with 21mL of 0.35M NaOH. What is the pH of the resulting solution?

    asked by Linda
  43. Math

    -9=5/17n A. n=153/5 B. n=5/153 C. n=-17/45 D. n=-45/17

    asked by A
  44. Algebra

    find the median for the set of numbers. 175,425,625,175 list in ascending order: 175, 425,625 please help me.

    asked by Keonn'a
  45. Biology

    Did the ancestral eukaryotic cell with its nucleus and other organelles evolve first and then some eukaryotes got mitochondria or did the ancestral eukaryotic cell have mitochondria, according to SET?

    asked by Sally
  46. grammar

    Are "claw hammer", "ball-peen hammer", and "sledgehammer" proper nouns in this sentence. "There are many types of hammers, the claw hammer, the ball-peen hammer, and the sledgehammer." Because in the instructions for my homework, it says specific things,

    asked by Loren
  47. Physics

    Traveling at a speed of 16.1 m/s, the driver of an automobile suddenly locks the wheels by slamming on the brakes. The coefficient of kinetic friction between the tires and the road is 0.720. What is the speed of the automobile after 1.30 s have elapsed?

    asked by Rash
  48. Math

    The Russell family is driving 1,000 miles to the beach for their summer vacation. Mr. Russell drives at an average rate of 60 miles per hour and plans on stopping four times to break up the journey. Let t represent the number of hours the Russells will

    asked by Turner
  49. Economics

    A company is conducting a biochemical experiment for the next 12 months. In the first month, the expenses are estimated to be $30,000. As the experiment progresses, the expenses are expected to increase by 5 percent each month. The company plans to pay for

    asked by Yoyo
  50. algebra

    find the range for the set of numbers: 13950,11250,14600,14300,14600,12200,11150,11300

    asked by Keonn'a
  51. Geometry

    the x intercept of a line is -5 and the y intercept of the line is -2. what is the equation of the line A. y=- 5/2 x-5** B. y= 2/5 x+2 C. y= 5/2 x-2 D. y= - 2/5 x-2

    asked by Anonymous
  52. Chemistry

    100 mL of buffer solution that is 0.15M HA (Ka= 6.8x10-5) and 0.20M NaA is mixed with 15.2mL of 0.35M NaOH. What is the pH of the resulting solution? 100 mL of buffer solution that is 0.15M HA (Ka= 6.8x10-5) and 0.20M NaA is mixed with 28.3mL of 0.25M HCl.

    asked by Anonymous
  53. linear algebra

    Let S be the plane defined by 2x+4y+2z = 4, and let T be the plane defined by x+3y+3z = 2. Find the vector equation for the line where S and T intersect.

    asked by dan
  54. Physics

    The radius of moon is 27% of the earth radius and its mass is 1.2 % of the earth mass find the acc due to gravity on surface of moon?

    asked by Lara
  55. Physics

    Q69 Which of torque given below is required to change the angular momentum flywheel from 15kgm_2/s to 150kgm_2/s during a time interval of 5 sec?

    asked by Lara
  56. science

    A 4.240 kg block of wood rests on a steel desk. The coefficient of static friction between the block and the desk is μs = 0.455 and the coefficient of kinetic friction is μk = 0.255. At time t = 0, a force F = 11.6 N is applied horizontally to the block.

    asked by suvee
  57. history

    Which best describes a cause of US imperialism during the late 19th century? Military leaders believed that spending on warfare would encourage economic growth. Businesses made more goods than domestic consumers were able to buy. Political leaders wished

    asked by Bri