1. Science

The Environmental Defense Fund, The Friends of the Earth, and The Natural Defense Council, are all divisions of The Environmental Protection Agency. True*** False After the first Earth Day, the Sierra Club expanded to 20 states in 1970. In 1971, the

2. social

write down six points to reduce the loss in the business sector in Nepal

3. math

Is the relationship shown in the table proportional? If so, what is the ratio of dollars to months? | Months | Dollars | | 2 | 100 | | 3 | 150 | | 5 | 250 | | 8 | 400 | (a) proportional; \$150 per month (b) proportional; \$100 per month (c) proportional; \$50

4. math

Start with the basic function f(x)=2x. If you have an initial value of 1, then you end up with the following iterations. • f (1) = 2 ⋅1 =2 • f 2 (1) = 2 ⋅2 ⋅1 =4 • f 3 (1) = 2 ⋅ 2 ⋅ 2 ⋅1 = 8   1. If you continue this pattern, what do

5. Science

One of the least difficult wastes to deal with is nuclear waste. True False*** All the pluming fixtures and toilets should be low flow, which reduces the amount of water needed while still maintaining the pressure. True*** False American consumers have the

6. CHEM 2: Boiling Point

Which Aqueous solution has the highest normal boiling point? a.) 0.1 m NaCl b.) 0.1 m C2H5OH c.) 0.1 m CaCl2 d.) They all have the same boiling point. I think that the answer is D, the all have the same boiling point. Is this correct? Because Delta T=

7. Science

Two bodies,one held 0.98m vertically above other,are released simultaneously and fall freely under gravity.After 2 seconds,their relative separation is?

8. economics

How do you think the Demand and Supply patterns have changed in the United states since 2008 when the recession started?

9. Physics

A biker rides700m north 300m east 400m north, 100m west, 1200m south 300m east and finally 100m north .Draw the path of motion of the biker. What distance did he cover?What was his displacement?

10. Math

Can someone please explain this to me in detail? Thank you! To make 4 3/5 cakes, 2/3 pounds of flour is needed. How much flour is needed to make one cake?

11. physics

Two point charges lie along the y axis. A charge of q1 = -12.0 µC is at y = 6.0 m, and a charge of q2 = -5.0 µC is at y = -3.0 m. Locate the point (other than infinity) at which the total electric field is zero.

12. math

the angle of elevation of the top of a radio mast from a point 53m from its base on level ground is 61degre. Find the height of the mast to the nearest 5m.

13. economics

How do you think the Demand and Supply patterns have changed in the United states since 2008 when the recession started?

14. English

"When in the Course of human events, it becomes necessary for one people to dissolve the political bands which have connected them with another, and to assume among the powers of the earth, the separate and equal station to which the Laws of Nature and of

15. math

A boat sails 'm' miles upstream at the rate of 'r' miles per hour. The rate of the stream is 's' miles per hour. How long will it take the boat to return to its starting point?

16. chemistry

calculate the normality of 5.56 grams of K2Cr2O7 dissolved in 500 mL

17. chemistry

calcuate the normality of 0.2M solution of h3p04 ?

18. art 103

"Street, Dresden", 1907, oil on canvas by Ernst Ludwig Kirchner. Describe the shapes in this painting: Are the shapes organic or geometric? Which ones? Describe how the shapes interact, or "touch" each other. Are the edges of the shapes soft or hard? Do

19. algelbra

an algebra student has test scores of 84,76, and 88 on his first three tests. what scores must he earn on his fourth test so that his average is 85 or higher

20. Math

A tortoise and a hare race against each other. A hare runs at a constant speed of 36 km per hour for exactly ten seconds and waits for the tortoise to catch up. If the tortoise takes two hours to move 1 km, how long will it take to catch up?

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21. Math

If a missile is launched from a station 300 metres above sea level with an initial velocity of 500 m/s what is the height of the missile after 4 seconds

22. Algebra

Directions: Find the prime factors of the polynomials 1. a. 2a2 - 2b2 b. 6x2 - 6y2 c. 4x2 - 4 d. ax2 - ay2 e. cm2 - cn2 2. f. st2 - s g. 2x2 - 18 h. 2x2 - 32 i. 3x2 - 27y2 j. 18m2 - 8 3. k. 12a2 - 27b2 l. 63c2 - 7 m. x3 - 4x n. y3 - 25y o. z3 - z 4. p. 4c3

23. English

Part A Infinitives An infinitive is the base form of the verb, commonly preceded by to . An infinitive may be used as a noun, adverb, or adjective. Examples: -To know him is to like him. (noun) -She came here to study. (adverb) -That is the movie to see.

24. History

Which of the following was an effect of the Refugee Act of 1980? 1)Fewer international migrants were permitted entry. (maybe?) 2)Migration from Latin American countries soared. (maybe?) 3)Women became more likely than men to migrate. 4)Overall migration

25. English

1. Salt Lake City, Utah's capital and largest city, was founded in 1847. 2. Janice and Carla spent the day at the mall. 3. Standard time was adopted in the United States in 1884. 4. The geographic center of the United States is in Kansas. 5. The first

26. CHEMISTRY

Calculate the hydroxyl ion concentration in a solution of almond extract ofph.3.8 state wether almond is acidic or basic

27. physics

an elevator weighs 8000N. It leaves the main floor and arrives to the 15th floor which is 45 meters high. How much work was done by the motor

28. Physics

A ball is drop from a height of 20m and rebounce with a velocity which is 3/4 of this velocity with which it hit the ground. What is the time interval between the first and second bounces? (g=9.8m/s2)

29. Physics

A car traveling at 28 m/!@#\$%^&s the brakes. If it takes the car 88 m to come to a complete stop, what is its acceleration?

30. Chemistry

If you have a properly adjusted hot flame, which is pale blue with three distinct comes, what is observed if the GAS CONTROL valve is slightly closed versus what's observed if the AIR CONTROL valve is slightly closed? Please Explain.

31. Engineering science

A ball is thrown upwards and reaches the ground once again after 7sec how can I calc the total distance covered by the ball.

32. Health Science

Please help me. (2) Discus the following diseases under the following - heading) i. Causative agent ii. Method of transmision iii. Signs and symptoms iv. Control and prevent. 1-Gonorrhae 2- HIV and AIDS 3- syphiles.

33. English

1. What is the opposite of blurry? 2. What is the opposite for blurry? -It's clear. (Which question is right? Are both correct? Which preposition is commonly used?)

34. Chemistry

50.00mL of 0.250M hydrochloric acid was added to 25.00mL of 0.300M potassium hydroxide. Calculate the pH of the resulting solution.

35. maths

the sumof three positive numbers is 26.the second number is 3times as large as the first.if te sum of the squares of these numbers is least find the numbers

36. History

What are four challenges the North faced during the Civil War?

37. physics

What's kinetic energy in electron volt of a triply ion iron which has been accelerated from rest through a potential difference of 100v?

38. Health Science

1a) What are controceptive b) Name six types of controceptive c) Name 10 diseases associated with the reproduction system. Please help me

39. science

A car covers 30 km at a uniform speed of 60km/h & next 30km at a uniform speed of 10km/h find the total time taken

40. math

If sinA=0.8& A lies between 90°and 180° find the value of tan1/2A

41. math

What's kinetic energy in electron volts of triply ion of iron which has been accelerated from rest through a potential difference of 100v?

42. math

A tortoise and a hare race against each other. A hare runs at a constant speed of 36 km per hour for exactly ten seconds and waits for the tortoise to catch up. If the tortoise takes two hours to move 1 km, how long will it take to catch up?

43. Science Chemistry

A sample of beer is 4.6% by Mass C2H5OH. The density of beer is 0.93 g/mL. What is the molar concentration of C2H5OH in this sample of beer?

44. CHEM 2 Question

For A+2B 2C : K=2.23 For 2C D : K=0.27 What is the value of the equilibrium constant for the reaction: 2D 2A + 4B ? I calculated it and got this: k=(k1)(k2) =(2.23)(.27)=0.6021 =(1/0.6021)=1.67 =(1.67)^2= 2.76 Is this answer correct? I am unsure whether or

45. math

construct two different triangles ABC.In which AB=5cm and angle C=54 degrees. find angles A1 and A2

46. physics

An electron accelerated from rest through a potential difference of 50v acquires a speed of 4.2x10^6m/s write down the speed that a potential difference of 200v would produce ?

47. Math

The measure of one angle is 7 times the measure of its complement. What is the measure of each angle?

48. Calculus

lim x--> 2+ (tan(pi/x))

49. Math

The ratio of girls to boys is 7:8. the class has 30 students total. How many boys are there???!!! How do I do this ????!!!

50. math

Tai, Tina, and Torri were the three representatives in a cross country race. Tai finished the race in middle position, Tina finished after Tai, in 19th position and Tori finished in 28th. How many schools took part in the race?

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51. financial management

Angela Anderson is employed as a Tax Manager by Super Cell Phone Service, Inc. She earns \$135,000 per year in this role, supervising a department of five Tax Accountants. Calculate the Medicare taxes that will be withheld from Angela’s annual salary

52. Islamic

"I have served many purposes and am mentioned in Quran.I have been used for falsehood, used as an affirmation and with the permission of Allah (swt) used as a cure. What am I and who do I belong to?"

53. math.

in 3 banquets/bouquets a man placed 39 rose, 10 tulip in each. how many flowers did he use?

54. science

how I can convert Fe(NO3)3.9H2O to aqueous solution containing 45%

55. math

If cos A=3/5,cos B =4/5,find the value of cos(A-B)/2

56. chemistry

If you had a carbonyl bonded to an O on one side and an OH on the other side, would the whole functional group be an ester or a carboxylic acid?

57. math

Tai, Tina, and Torri were the three representatives in a cross country race. Tai finished the race in middle position, Tina finished after Tai, in 19th position and Tori finished in 28th. How many schools took part in the race?

58. Math

if sinx=cosx Then cosecx=????

59. math 9

The number of boys is 3 more than double the girls. Together, there are 54 students in total. How many boys and girls are there?

60. math and science

A space shuttle with a mass of 4,06 X 10kg,orbits earth at a height of 720km above the surface of the earth.calculate the gravitational force experienced by the shuttle

61. chrmistry

calculate the molar concentration of 1ppm solution of NaCl?

62. chemistry

caculate the molar concentration of 1ppm solution of NaCl?

63. math

Is -46 real, whole, rational, integer or irrational & why

64. math

√11 real, whole, integer rational or irrational

Let f (x, y) = xy + 5x + 4y model the utility a consumer feels based on the number of the number of cups of coffee, x, and the number of donuts, y, consumed on a given Thursday. Find the absolute maximum and absolute minimum values of f(x, y) over the

66. Health Science

(3) Write in full (i) H.I.V -Aids (ii) F.G.M

67. English

Can someone help me write an essay on the secret garden

68. Physics

A basketball was kicked 20.0 m above horizontal with an initial velocity of 120.0 m/s at an angle of 35.0˚ above the horizontal. (a) How long is the rocket in air before falling? (b) What is the horizontal range for the rocket? (c) With what speed does

69. Math

Can someone please explain this to me in detail? Thank you! To make 4 3/5 cakes, 2/3 pounds of flour is needed. How much flour is needed to make one cake?

70. Maths

Prove that sine inverse x = cosec inverse 1/x

71. construction

constuct two triangles ABC. let the length AB be 5cm and angleC be 54 degrees. find angles A1 and A2.

a-6 a-1÷a+2