# Questions Asked onJune 13, 2014

1. ## UGRENT HELP, math

1. Suppose that the amount of algae in a pond triples ever 2 hours. If the pond initially contains 80 ponds of algae, how much algae would be in the pond in 8 hours? 720 1,280 6,480 320 2. What is the order of the numbers from least to greatest? A= 1.5 x

2. ## Physics

Identical point charges of +1.1 ¦ÌC are fixed to three of the four corners of a square. What is the magnitude q of the negative point charge that must be fixed to the fourth corner, so that the charge at the diagonally opposite corner experiences a net

3. ## algebra 2

Maria created a graph of B(t), the temperature over time. For the interval between t = 3 and t = 7, the average rate of change in her graph of B(t) is 8. Which statement must be true?

4. ## Physics

Okay last question I need help with Monochromatic light of 605 nm falls on a single slit, which is located 85 cm from a screen. The first dark band appears at 5.4 mm from the center. How wide is the slit? 0.001 mm 0.050 mm 0.095 mm 1.50 mm

5. ## Algebra

Since the opening night, attendance at Play A has increased steadily, while attendance at Play B first rose and then fell. Equations modeling the daily attendance y at each play are shown below, where x is the number of days since the opening night. On

6. ## psychology

in his research, Dr. Caulfiel wants compare levels of tests anxiety among high school students in grade 10 and 12. His hypothesis is that seniors will have higher levels of test anxiety than sophomores will. His theoretical definition of test anxiety for

7. ## Tricky Math tho (Damon)

Divide. (25x^2 - 40x + 18) div. (5x - 3) need to know how to solve this

8. ## PHYSICS

monkey is accelerating down string whose breaking strength is two third of its weight the min acceleration of monkey should be A 1/3g B 2/3g C G d ZERO

9. ## PHYSICS

if force acts on body WHOSE ACTION LINE does not Passes through its center of gravity then body will experience A ANGULAR ACCELERATION b linear acceleration C ZERO ACCELERATION D ZERO ACCELERATION

10. ## physics

A person standing on top of a building throws a ball with a horizontal velocity of 14 m/s. If the ball strikes the ground 65 m from the base of the building, how high is the building?

11. ## 3 questions Math

18. What is the simpler form of the following expression? (6x^3 - 1x +1) divided by (2x + 1) -3x^2 + 2x - 1 3x^2 - 2x + 1 -3x^2 + 2x - 1 3x^3 + 2x - 1 19. Solve the equation. 1/2x + 14 - 9/x + 7 = -6 x = - 101/12 x = 101/12 x = - 67/12 x = 67/12 20. The

12. ## Physics

A forklift exerts an upward force of 2.00*10^3 N on a box as it moves the box 5.00 m higher. How much work does the forklift do? 500 J 1.00*10^3 J 1.00*10^4 J

13. ## Another this math tho

what is the simplified form of the expression? 2b^-6 * b^12 I think its 2b^6

14. ## Physics

How would i solve this? A 10.0 kg ball falling at 10.0 m/!@#\$%^&s a pile of feathers and comes to a complete stop in 10 s. What force does the pile of feathers exert to stop the ball? 10 N 20 N 100 N 200 N

15. ## this math tho

Which value of x makes the following equation true? 3(x - 4) + 54 = -3x I think it is -6

16. ## algebrahave i done this right

Evaluate the given expressions (to two decimal places). 2(90)+5(80)+10(70)+3(60)+3(50)+4(40)= than divide by 25 mean =70.8 median =70 mode =70 range = 50

17. ## Math

Evaluate the following expressions: a. 11^0 b. 11^2 / 11^2 c. are the answers to parts a and b the same? Explain why or why not?

18. ## English

Is Young Goodman Brown a dynamic character?

19. ## Algebra

The area of a rectangular painting is given by the trinomial x^2+2x-15. What are the possible dimensions of the painting? Use factoring.

20. ## ALGERBRA

A TREE CASTS A SHADOW 12 FEET LONG. AT THE SAME TIME A VERTICAL ROD 8 FEET HIGH CASTS A SHADOW THAT IS 6 FEET LONG. HOW TALL IS THE TREE

21. ## ALGERBRA

IF YOU ARE DEALT 5 CARDS FROM A SHUFFLED DECK OF 52 CARDS, FIND THE PROBABILITY THAT ALL 5 CARDS ARE HEARTS. FIND THE PROBABILITY THAT 4 CARDS ARE HEARTS.

22. ## Algebra ll

Consider the system below. {4x-2y=-12} {3x-y=-3} Solve the system by using a matrix equation.

23. ## geometry

what will be the length of the shadow of a person whose height is 147cm? when it will be 9am?

24. ## History,Maths Lit,life science and Geography

What courses can i do with these subjects??

25. ## math

help soni arrange numbers from 1 to 9 in such a sequence that the sum of the numbers in each diagnol should be15. make sure that no number is repeated more then one

26. ## Physics

A singer moves a note up one octave. How has the sound changed? The amplitude has decreased The wavelength has increased The speed has increased The frequency has increased

27. ## USA Colonists History

|rich soil |available land |wildlife |sea life |forests |fresh water |minerals such as water Many people from Europe came to North America during the 1600s and 1700s to explore the land and make money. using information from the chart above and your own

28. ## Algebra

1. A printer can print 40 pages in 1.6 minutes. a. Write and solve a proportion to find the number of pages that the printer can print in 5 minutes. Show your work. b. Lana wants to use the printer to print 150 pages. Find the time, in minutes, it will

Tell what the output value is for the function machine for the given values. log 16.9=1.23 log2^152=9 log2^1=0 log0.046=1.34 thank you

30. ## Algebra please can you ck my work

Evaluate the given expressions (to two decimal places). log 1.69 =123 log 2^512 = .09 log 2^1 = 0 log o.o46 =1.34 Thank you

31. ## PHYSICS

IF EARTH WERE TO ROTATE FASTER THAN ITS PRESENT SPEED THEN WEIGHT PF OBJECT WILL DECREASE AT EQUATOR BUT REMAIN UNCHANGED AT POLES why?

32. ## Algebra

A garden is going to be built in the city park. the garden height is 5m. and the width is 7.5 m. a. A short fence will be built around the perimeter of the garden region. Find the number of meters of fencing required. Round your answer to the nearest tenth

33. ## health

Stress is a normal part of life

34. ## English

cumulative sentences or periodic pattern Periodic sentence Unable to eat dinner, do my homework, or get any sleep, I could think only of my mother's surgery the next morning Cumulative sentence All I could think about was of my mother's surgery the next

35. ## maths

My question is prove that e^logx is equal to x

36. ## Anatomy

I need to make a model of the blood flow through the heart . Any suggestions

37. ## Algebra ll

Consider the function f(x) = x4 – 3x3 – 7x2 + 15x + 18. Use synthetic division to divide f(x) by x – 3. Use the answer to explain whether or not x – 3 is a factor of f(x).Factor f(x) completely.

Question 1 In order to buy a Christmas present for his girlfriend, James takes a loan of R500,00 from an organization advertising in a local newspaper. The name of the organization is called “Sharks that Bite”. This organization charges 15% interest

40. ## algebra

There are n people on a bus . At the next stop y people get off and then t people get on. How many people are there now on the bus.

41. ## science (check please (:)

Luther Burbank was a plant breeder who developed a strain of potato plant that produced more tubers (the part of the root that people eat) of larger size than other potato plants that were grown on farms at the time. This strain of potato was also

42. ## algebra

Solve the system graphically. If a system has an infinite number of solutions, use set-builder notation to write the solution set. If a system has no solution, state this. 2x – y = 4 5x – y = 13 I do not understand how to do this

43. ## algebra

also do not understand how to do this. I am not asking for answes, just examples. Solve using the substitution method. 3x – 4y = 5 2x – y = 1

44. ## English

1. Hanbok is Korean traditional dress. 2. A hanbok is Korean traditional dress. 3. Hanbok is traditional Korean dress. 4. Hanbok is a Korean traditional dress. 5. A hanbok is a traditional Korean dress. (Which one is grammatical?)

45. ## Financial Math

An investment of \$2500 accumulates at 6% p.a compounded semi annually for 3 years. At that time, the interest rate is changed to 5% compounded monthly. How much is the investment worth 2 years after the change in interest rate? What is interest gained at

46. ## math

Solve the following inequality for x. 14 + 7x < 5x x < 1.17 x > -7 x > 1.17 x < -7

47. ## this math tho

31. Solve the equation by completing the square. Round to the nearest hundreth if necessary. x^2 - 6x = 7 x = 7, 1 x = -7, 1 x = -7, -1 x = 7, -1

48. ## this math tho (Damon or Steve)

5/sqrt of 30 how do I solv this?

49. ## Algebra

1/x+1/x+5+1/3x=1/2.25 Solve for x.

50. ## English

Skateboarding originated in Venice, California. the time was the mid-seventies. There was a drought. The swimming pools were empty. A)Skateboarding originated in Venice,California,there was a drought, swimming pools were empty,the time was the

51. ## Almost done with this math tho

7x- 14 ------- x - 2 x 7; where x =/ 7 7; where x =/ 2 0 I think it is 0.

52. ## Math

If 2 1/3 feet of silver ribbon cost \$.21, how much will 9 feet cost

Divide. (25x^2 - 40x + 18) div. (5x - 3) 5x - 5 - 3/5x - 3 5x - 8 - 18/5x - 3 5x - 5 + 3/5x - 3 5x - 14 ~~~~~~~~~~~~~~~~~~~~~ 7x- 14 ------- x - 2 x 7; where x =/ 7 7; where x =/ 2 0 7(x-2)or 7 Damon please

54. ## science

Calculate the mass% of different element present in H2SO4. Also show the solution.

55. ## Physics

A proton and an electron are moving due east in a constant electric field that also points due east. The electric field has a magnitude of 8.0 ¡Á 104 N/C. Determine the magnitude of the acceleration of the proton and the electron.

56. ## Statistics

The complement of P(B | A) is 1 - P(B | A). Is it also true that 1 - P(B | A) = P(B' | A), where B' means the complement of B?

57. ## Math

Action Video rents only action and horror films. Over one 7 day period, they rented 5 horror films for every 9 action films. If they rented 99 action films, what was the mean number of films they rented per day?

58. ## finance

Innovation Company is thinking about marketing a new software product. Upfront cost to market and develop the product are \$5 million. The product is expected to generate profits of \$1 million per year for 10 years. The company will have to provide product

59. ## maths

A rhombus shaped sheet whose perimeter is 32cm and one of the diagonal is 10cm long painted on both the sides at the rate of rs5 per Sam.find the cost of painting.

60. ## physics

A car of mass 537 kg is moving 32.0° North of East at a speed of 22.7 m/s. What is the magnitude of the momentum of the car? (magnitude - how big is it? ignore direction)

61. ## physics

on a trip a car covers 42.3 miles in 40.0 minutes. find the average velocity in m/s and km/hr

62. ## PHYSICS

ANGULAR VELOCITY OF SECOND HAND OF WATCH IS a 2pi /30sec B pi/30sec C pi/60sec D PI/1800

63. ## Science

What form of pollution, if any, does each energy source cause? How does the economy influence energy source choices? How does location influence energy source choices?

64. ## Algebra

I need help with this question; A printer can print 40 pages in 1.6 minutes. a. Write and solve a proportion to find the number of pages that the printer can print in 5 minutes. b. Lana wants to use the printer to print 150 pages. Find the time, in

65. ## Algebra, can some show me how to set this up

If f(x) = x − 7, find the following. f(13) f(-6) f(p) Thank you, you guys do not know what it means to me that I have a site that has a wonderful group of people to help us trying to understand.

66. ## Algebra (Factoring)

What's the easiest way to factor this completely? 2x^4-10x^2-72 A step-by-step solution would really help me a lot. Thanks :)

67. ## lehman

Investment A clothing company borrows \$700,000. Some of the money is borrowed at 8%, some at 9%, and some at 10% simple annual interest. How much is borrowed at each rate when the total annual interest is \$60,500 and the amount borrowed at 8% is three

68. ## Physics

an ice block at 0 degree celcius is dropped from height 'h' above the ground. what should be the value of 'h' so that it just melts completely by the time it reaches the bottom assuming the loss of whole gravitational potential energy is used as heat by

69. ## lehman

Hair Products A hair product company sells three types of hair products for \$30, \$20, and \$10 per unit. In one year, the total revenue for the three products was \$800,000, which corresponded to the sale of 40,000 units. The company sold half as many units

70. ## finance

You wish to retire in 12 years and currently have \$50,000 in a savings account yielding 5 percent annually and \$100,000 in quality "blue chip" stocks yielding 10 percent. If you expect to add \$30,000 at the end of each year to your stock portfolios, how

71. ## English

what is the difference to enhanced physical qualities to intellectual qualities

72. ## Anatomy

I need to do a project for my anatomy class. I need to make a human heart showing blood flow. Can you recommend some site to help me. I don't want to spend a lot of money of the items needed. Please help

73. ## Word Problem

The length and width of a rectangle are to each other as 4 is to 3. A second rectangle are 4 units longer and 2 units wider than the first one, and has twice as great an area as the first. Find the dimensions of the first rectangle.

74. ## Algebra ll

Bernardo divided one polynomial by another, as shown below. (9x2-9x-10)/(3x+2) What is the quotient? A. 3x-1 + -8/3x+2 B. 3x-1 + -12/3x+2 C. 3x+5 D. 3x-5

75. ## english

Thank you MS SUE

76. ## Physics

An object is 30.0 cm to the left of a convex lens with a focal length of +8.0 cm. Calculate the distance from the lens. Would it be upright or inverted?

77. ## CHEMISTRY

WHEN CAP OF SOFT DRINK IS REMOVED THEN ITS MASS FIRST INCREASES AND THEN DECREASES WHY?

78. ## geography

Upon the fall of constant in pole to the Ottoman Empire in 1453, was seen as the true inheritor of the Christian realm

79. ## Algebra

Ms. Chang has 24 students in her class, and 8 of them are boys. What is the ratio of boys to girls? A. 1:2 B. 1:3 C. 2:1 D. 2:3 I think the answer is D but i'n not sure.

81. ## algerbra

Graph the inequality 3x + y ¡Ü 5 on a separate piece of paper. List in the answer box:

82. ## science (CHECK plz)

How did Lamarck and Darwin differ in their thinking about species? A. Darwin thought that organisms could induce their own changes, while Lamarck thought that change could only be induced by an organism's environment. B. Darwin thought that change could

83. ## Algebra

A ramp leads up to a building. The top of the ramp is 4 feet above the ground, and the bottom is 14 feet from the building. what is the length of the ramp? I think the answer is 18 ft. choices are: A. 18.6ft B. 18ft C. 14.6ft D. 10ft

85. ## Algebra

simplify 5!/3! A. 5 B. 20 C. 40 D. 120