# Questions Asked onMarch 13, 2018

1. ## Pre- Algebra

What are the mean, median, mode and range of the data set given the altitude of lakes in feet: –9, –36, –23, –8, –17, –52, –27, and –36? A)mean = –25; median = –26; mode = –44; range = 36 B)mean = –25; median = –36; mode = –36;

2. ## Physics

A circuit has R = 16.6 Ω and the battery emf is 6.50 V . With switch S2 open, switch S1 is closed. After several minutes, S1 is opened and S2 is closed. 1) At 2.14 ms after S1 is opened, the current has decayed to 0.235 A . Calculate the inductance of the

3. ## Physics

A 1.8 kg block slides on a horizontal surface with a speed of v=0.80 m/s and an acceleration of magnitude a= 2.8m/s 2. a) What is the coefficient of kinetic friction between the block and the surface? b) When the speed of the block slows to 0.40m/s, is the

4. ## AP Chemistry

I'm having trouble getting the net ionic equation when HI is added to a buffered solution of HOBr. And the net ionic when HI is added to LiOBr. From those results I'm supposed to compare why one pH drops more than the other.

5. ## Math

Which of the following expressions is equivalent to (cos(3x))/sin(x)cos(x))? csc(x) cos(2x) - sec(x) sin(2x) sec(x) cos(2x) - csc(x) sin(2x) sec(x) cos(x) - csc(x) sin(x) csc(x) cos(x) - sec(x) sin(x) This is my last question and I've tried solving it

6. ## Math

What common angle do CDG and FCE share ?

7. ## Chemistry

Carbon dioxide gas and liquid water form solid glucose (C6H12O6) and oxygen gas during photosynthesis. Chlorophyll absorbs light in the 600-700 nm region. a) Write a balanced thermochemical equation for the formation of 1.00 mol of glucose. ... I know that

8. ## Math

Lesson 14: Read: in Just— CE 2015 Language Arts 7 B Unit 2: Sounds and Ideas. 1. What does the speaker in "in just--'' mean when he says that "the world is puddle-wonderful"? A. The world is full of puddles. B. Spring is rainy and wet. C. Winter's

9. ## english 10

hi I need some pointers for this question, describe the character of the professor in "saboteur" give at least three details from the story to support your description? I don't know really where to start if someone could help me that would be great thanks.

10. ## AP Chemistry

DrBob222 thank you for your previous response. I am reposting the entire question. Two different 1.2 L buffered solutions were prepared using HOBr and LiOBr. Both buffered solutions had a pH of 5.2 at 25C. After 0.17 mols of HI were added to each of the

11. ## science

A uniform meter rule is balance at 30cm mark when of 50grams is hanging from its zero cm mark.calculate the weight of the rule?

12. ## math

The population of a colony of rabbits grows exponentially. The colony begins with 5 rabbits; 5 years later there are 310 rabbits. (a) Express the population of the colony of rabbits, P , as a function of time, t , in years. (b) Use the graph to estimate

13. ## math

the number of tropical fish Leon has is 3/8 of the number of tropical fish Haru has. Find the ratio of the number of tropical fish Leon has to the number of tropical fish Haru has. What fraction of the number of tropical fish Haru has is the number of

14. ## Statistics

Teen Communication The following data represent the number of different communication activities (e.g., cell phone, text messaging, e-mail, Internet, and so on) used by a random sample of teenagers over the past 24 hours. (a) Are the events “male” and

15. ## Chemistry

Implants carbon dioxide combined with water and energy to form glucose and oxygen gas. Right off the balance equation for this reaction. Glucose =C6H12O6. Given 78g of water. How many grams of glucose can be formed?

16. ## physics

A rescue plane carries a package of emergency supplies to be dropped at a point that is very close to the target. The plane travels with a velocity of 75m/s and flies 135m above the target. How far away (horizontally) from the target must the pilot release

17. ## Statistics

Suppose that suppose that e and f are two events and that p(e)=0.8 and p(f/e)=0.4. what is p(e and f)?

18. ## science

What is a measurement that includes both a magnitude and a direction known as? vector quantity magnitude scalar quantity volume A?

19. ## English

You are a speaker in a school's debate on the topic "boys should not help in the kitchen" write your speech for or against the motion

20. ## Math

Need this answered today also explain the answers please Julia measured the high temperature in her town for one week. Using the chart below, find the mean absolute deviation for the high temperatures. Round your answer to the nearest tenth. Be sure to

21. ## Math

1/2(56x-98)=147 X=7

22. ## Statistics Math

. Drawing a Card Suppose that a single card is selected from a standard 52-card deck. What is the probability that the card drawn is a club? Now suppose that a single card is drawn from a standard 52-card deck, but we are told that the card is black. What

23. ## Algebra

A certain paint is to be mixed with 3 parts yellow to 2 parts blue. Twelve gallons of mixed paint are needed. How many gallons of blue must be used?

24. ## Chemistry

2. Solid ammonium iodide decomposes to yield ammonia gas(NH3) and hydrogen iodide gas at 400oF. The equilibrium constant for this reaction is 0.215. Ten grams of ammonium iodide are sealed in a 10.0 L flask at equilibrium. Complete the following: a. Write

25. ## physics

Please help. If you need the figure, let know how I can show you and I will do it. A particle moves in the xy plane (see the figure below) from the origin to a point having coordinates x = 7.00 m and y = 4.00 m under the influence of a force given by F =

26. ## AP Chemistry

Consider the following reaction: Zn(s) + 2HCl(aq) → ZnCl2(aq) + H2(g) 0.103 g of Zn is combined with enough HCl to make 50.0 mL of solution in a coffee-cup calorimeter. As all of the Zn reacts, the temperature of the solution increases from 22.5°C to

27. ## math

You and 5 friends go to a concert. In how many different orders can you sit in the assigned seats?

28. ## math

Suppose y , the number of cases of a disease, is reduced by 11% per year. (a) If there are initially 10,000 cases, express y as a function of t , the number of years elapsed. (b) How many cases will there be 6 years from now? (c) How long does it take to

29. ## Math

How many real number solutions are there to the equation 0= -3x^2 + x -4 ? a. 0 *** b. 1 c. 2 d. 3

Brett has leaned a five-meter-long ladder against his house to paint a window. He placed the base of the ladder 3m away from the wall. How far up is the window?

31. ## Math

A rectangle has a width of 10 in and a length of 12 in. A similar rectangle has a width of 15 in. What is the length of the similar rectangle?

32. ## Math

A class has 5 girls 7 boys in seventh grade. 2 girls and 2 boys in eight. Randomly selects a seventh and eight grader. What is probability that the students picked are girls

33. ## Geometry

A rectangular piece of cloth is 3 ft. by 6 ft. What is the area of the largest circle that can be cut from the cloth? Round to nearest square inch.

34. ## science

A lizard accelerates from 2m/s to 10m/s in 4 seconds. What is the lizard's average velocity?

35. ## Math

A banner is shaped like a parallelogram. The banner has a base length of 3.25 meters and an area of 4.55 square meters. Explain how to find the height of the banner

36. ## Statistics

. According to the U.S. Census Bureau, the probability that a randomly selected head of household in the United States earns more than \$100,000 per year is 0.202. The probability that a randomly selected head of household in the United States earns more

37. ## History

Which of the following are ways that lobbyist can influence judicial decision making? Select all that apply (2 points) A:meeting face to face with legislators. B:submitting amicus curiae briefs.*** C:bringing lawsuits to the court.*** D:encouraging members

38. ## physical

A car traveling at 28 m/s starts to decelerate steadily. It comes to a complete stop in 13 seconds. What is its acceleration?

39. ## Algebra Math

Calculate the slant height for the given cone. Round to the nearest tenth. Diameter = 18cm Height= 7cm 11.2 cm 12.5 cm 14.8 cm 11.4 cm show work on how you got the answer :)

40. ## Math

At a certain time of day, a pole, 5 meters tall, casts a 3 meter shadow.

41. ## Math

Find the area of a path 1m wide,running breadth wise across a garden of length=30m and breadth=20m.

42. ## Geometry and using Pi

How big was the Flying Saucer? In the 1951 science fiction movie classic The Thing from Another World, a group of scientists and soldiers discover a recently crashed alien spaceship buried under a few feet of ice near the North Pole. The party spreads out

43. ## Trig

Write an equation of the circle described below: Given a circle with the center (5,1) and a point on the circle (8,-2).

44. ## Alegbra 1

After the football game, the traffic out of the school parking lot is horrible! In fact, since the school is set off from town, the slow moving line of cars snakes back into town, bumper to bumper. The distance your car is from home is a linear function.

45. ## English

Which letter best explains the synonym of elaborate? A Protest B Explain C Summarize

46. ## Math

Solve the system of equations. y=2x^2 -3 y=3x-1 a. no solution b. (-1/2, 5)(2, -5/2) c. (-1/2,-5/2) (2,5)*** d. (1/2,5/2) (2,5)

47. ## Algebra

The coordinates of 3 vertices of a rectangle are (2,3), (2,8) and (10,3). WHAT ARE THE COORDINATES OF THE FOUR VERTEC

Please explain exactly what "Strategy and prioritization selection" is.

49. ## american government

Imagine that you have been chosen to develop a United Student World Assembly (USWA). Among the assembly's goals are promoting cooperation and understanding among students around the world. You must prepare a draft charter of the USWA. The charter should

50. ## math

You purchase a hot tub costing \$4,600 by taking out a 13% add-on interest installment loan. The loan requires a 15% down payment and equal monthly payments for 4 years. How much are your monthly payments?

51. ## math

Scott purchases a piano costing \$2,630 by taking out a 13% add-on interest installment loan. The loan requires a 15% down payment and equal monthly payments for 5 years. How much are Scott's monthly payments?

52. ## Math

. According to the U.S. Census Bureau, the probability that a randomly selected head of household in the United States earns more than \$100,000 per year is 0.202. The probability that a randomly selected head of household in the United States earns more

53. ## Algebra

John earns a commission of \$175 ON SALES OF \$3000. How much does he earn on sales of \$6500.

54. ## Algebra

What is 6 5/12 percent of 5 6/13?

55. ## Math

A male African elephant weighs 7 Tons. If a male African lion at the local zoo weighs 40 of the weight of the male African elephant, how many pounds does the lion weigh?

56. ## Math

John has made only 5 out of 19 free throws what percent is this

57. ## american government

I need help on these questions. Sorry if I put too many questions I'm just stuck on these. 1. In the relationship between the U.S. and Japan, the U.S. has put pressure on Japan to increase its involvement in world affairs. a. True b. False I think the

58. ## Math

I am thinking of a numbet. If you add 3, then subtract 6, then divide by 2, and finally multiply by 4, the result is -8. What is the number

59. ## Math

In the expression shown below, m and n are positive integers. m/n * p/q What values of the variables p and q would produce a product that is always irrational?

60. ## Math

Two out of every 7 7th grade students are in the chorus. Estimate the probability of randomly selecting 3 7th grade students and having at least one student be in the chorus. Which of the following tools could be used to simulate this situation? A bag of

61. ## Maths

A bag contains 5 black 3 white and 2 red balls.state in the how many can (a) 3 balls be drawn at random (b) 3 black balls be drawn (c) 2black and 2 white balls be drawn?

62. ## School

Find the measure of two complementary angles if the measure of one angle is 5/8 the measure of the other. What is the measure of the larger angle? and the samller

63. ## Maths

From a roll of curtain cloth ,9 curtains each of length 4 metres can be cut.If the curtains needed are of 3 metres long,how many curtains can be made out of this cloth?

64. ## Algebra

Write a story problem that is associated with this proportion, then solve the problem. 15/16= n/100

65. ## math

Christina finances a piano for \$3,070 by taking out an installment loan for 24 months. The payments were \$153.50 per month and the total finance charge was \$614. After 14 months, Christina decided to pay off the loan. After calculating the finance charge

66. ## Chemistry

How do you make 5% ammonium oxalate? I know the mass is 142.11g.

67. ## Math

A new elementary school will have 50 faculty members. Some will be teachers and the rest will be aides. At this school, teachers will earn 20,000 dollars a year and the aides 12,000 dollars. The total amount to be spent on salaries is \$872, 000. How many

68. ## Math

Design a simulation to determine the probability of having exactly 2 boys and a family of five children

69. ## Algebra

Write me a story problem with this proportion, then solve. 15/16= n/100

71. ## Math

Use four 4 and any of the four operations to make the numbers 1 through 10. Example 1= 4+4 over 4+4 1= 6= 7= 8= 9= 10= 2= 3= 4= 5=

72. ## Science

Practical of Newton's second law Of the platinum book of grade 11 page 30

73. ## physics

The device which is use to measurment of liquid flow???

74. ## English

why does the author repeat the word 'never-ending'? Life seemed to be never ending. Every day, i rush to the car, i rush to school. Lessons seemed to be a never-ending run.