Questions Asked onMarch 6, 2012

1. English literature

What figure of speech is 'the heavens let loose' in a comprehension implying a heavy rain

asked by Mozes dixon

Write the standard line notation for each cell below. IO3-(aq) + Fe2+(aq)--> Fe3+(aq) +I2(aq) ________________________________________ H2O2 + 2 H+ + 2 e- --> 2 H2O E = 1.78 V O2 + 2 H+ + 2 e- --> H2O2 E= 0.68 V ________________________________________ Mn2+

3. physics

The value of g at Earth’s surface is about 9.8 m/s^2. If Earth were of uniform density (same mass/volume throughout), what would the value of g be inside Earth at half its radius?

4. Chemistry

If 14.0 kilograms of Al2O3(s), 57.4 kilograms of NaOh(l), and 57.4 kilograms of HF(g) react completely, how many kilograms of cryolite will be produced?

5. physics

A small light source located 1 m in front of a 1 m^2 opening illuminates a wall behind. If the wall is 1 m behind the opening (2 m from the light source), the illuminated area covers 4 m^2. How many square meters will be illuminated if the wall is 3 m from

6. physics

Rank the microtidal forces on your own body, from greatest to least, produced by the:A. JupiterB. PlutoC. Earth greatest to least.

7. physics

A string is wound is tightly around a wheel. When the end of the string is pulled through a distance of 10 cm, the wheel rotates through 5 revolutions. What is the radius of the wheel?

8. math

at 2 p.m., the level of the water in the pool was 10 feet. at 6 p.m., the level of water was 2 feet. find the constant rate of change in the water.

9. geometry

A microscope shows you an image of an object that is 80 times the actual size. Therefore, the scale factor of the enlargement is 80. An insect has a body length of 7 millimeters. What is the body length of the insect under the microscope? I know it's 560,

10. physics

A car initially traveling eastward turns north by traveling in a circular path at uniform speed as in the figure. The length of the arc ABC is 214 m, and the car completes the turn in 40.0 s (Figure shows coordinate plane with point A on -y axis point C on

11. Physics

What minimum speed does a 100 g puck need to make it to the top of a 5.9 m-long, 29 degree frictionless ramp?

12. Chem 2

5 drops of 0.10M NaOH were added to 20mL of the buffer problem, the pHwent from 3.40 to 3.43. Write a net ionic equiation to explain why the pH did not go up to about 10, as it would have if that amount of NaOH were added to distilled water or to 20mL

13. math

had a balance of \$2,539.78 in her savings account. She withdrew \$150.00 and the teller credited her account with \$6.19. What is her new balance?

14. Physics

Two horizontal forces F1 and F2 act on a 1.7 kg disk that slides over frictionless ice, on which an xy coordinate system is laid out. Force F1 is in the negative direction of the x axis and has a magnitude of 3.0 N. Force F2 has a magnitude of 9.0 N. What

15. geometry

A blueprint for a house has a scale factor of 1:35. A wall in the blueprint is 3inches. What is the length of the actual wall? Can someone explain how to figure scale factor?

16. Chemistry

Calculate the heat (in kJ) required to change 40.0g of ice at -30.0 deg C to steam at 150.0 deg C?

17. Chemistry

How much heat in kJ is lost when 100.0g of steam at 200 deg C is cooled down until it forms ice at -30.0 deg C?

18. physics

The string is pulled so that it accelerates at3 m/s^2. What is the angular acceleration of the wheel?

19. Math

Suppose that the amount of algae is a pond doubles every 3 hours. If the pond initially contains 70 pounds of algae, how much algae will be in the pond after 9 hours? Is the answer 560? I was not sure how to set it up, but doubled it every 3 hours. If this

20. chemistry

At 50 fahrenheit the maximum amount of water vapor in air is 9g/m3 if the relative humidity is 40% what is the mass of water vapor in 1m3 of air

21. Chemistry

If 3.70 mol calcium carbide (CaC2) reacts with an excess of water, how many moles of acetylene (C2H2) will be produced?

22. math

how many 2 card hands are possible with a 26 card deck?

23. Physics

A car traveling at 58 km/h hits a bridge abutment. A passenger in the car moves forward a distance of 63 cm (with respect to the road) while being brought to rest by an inflated air bag. What magnitude of force (assumed constant) acts on the passenger's

24. jake

Suppose that you're facing a straight current-carrying conductor, and the current is flowing toward you. The lines of magnetic force at any point in the magnetic field will act in [A. a counterclockwise direction.] B. a clockwise direction. C. the

asked by physical science
25. Science

Radioactive substance decays so that after t years, the amount remaining, expressed as a percent of the original amount, is A(t)=100(1.6)^(-t). a) Determine the function A’, which represent the rate of decay of the substance. b) what is the half-life for

26. Physics

Two charges are located along the x-axis. One has a charge of 6.3 μC, and the second has a charge of −3.4 μC. If the electrical potential energy associated with the pair of charges is −0.043 J,what is the distance between the charges? The value of

27. chemistry

If 0.500 mol of nitrogen gas occupies a volume of 11.0 L at 0°C, what volume will 2.15 mol of nitrogen gas occupy at the same temperature and pressure?

28. math

Your apartment's monthly rent was \$300 last year. This year it is \$350. What is the rate of inflation, to the nearest tenth percent?

asked by Cosumer math
29. Algebra 208

Write a formula that converts x hours to y seconds

30. solve nP5 = 120 x nC3

nP5 = 120 x nC3

31. physics

When the string is pulled a distance of 40 cm in 2.50 s, the wheel turns though 5 revolutions. What is the average speed of the string, and what is the average angular velocity of the wheel? What is the radius of the wheel?

32. math

A wooden pyramid, 12 inches tall, has a square base. A carpenter increases the dimensions of the wooden pyramid by a factor of 5 and makes a larger pyramid with the new dimensions. Describe in complete sentences the ratio of the volumes of the two

33. Chemistry

find the ph of 0.100M NaC2H3O2 solution. do i just write an equation and solve for x NaC2H3O2 +H2O= Na2O + HC2H3O2- 0.100 0 0 so x^2/0.100-x =1.8 X10^-5 x=1.3X10^-3 then do ph=-log(1.3X10-3) ph=2.9 is this right?

34. ALG/TRIG

I cannot seem to get the right answer. Animal Pulse Rate According to one model, an animal’s heart rate varies according to its weight. The formula N(w)=885w^-1/2 gives an estimate for the average number N of beats per minute for an animal that weighs w

A ball starts from rest and rolls down a hill with uniform acceleration, traveling 170 m during the second 5.5 s of its motion How far did it roll during the first 5.5 s of motion? x=

36. Physics

A particle is projected vertically upwards from ground level with an initial velocity of 34.94m/s. Neglecting air resistance, calculate the total time taken, in seconds, for the particle to hit the ground again. Take the magnitude of the acceleration due

37. chemistry

Zinc combines with hydrochloric acid to form aqueous zinc chloride and hydrogen gas.  If 300.0 mL of a 0.150  M solution of HCl is allowed to react with excess zinc, how many moles of hydrogen gas would be produced? Part two: if this reaction happens at

38. Physics

AM radio signals are broadcast at frequencies between 540 kHz and 1585 kHz (kilohertz) and travel 3.0 X 10^8 m/s. a. What is the range of the wavelengths for the signals? (from shortest to longest). b. FM frequencies range between 88MHz and 108 MHz

39. math

everyday when lisa returns from school she puts her change from buying lunch into a jar on her hair dresser. this weekend she decided to count her savings. she found that she had 72 coins all nickels and dimes. the total amount was \$4.95. how many coins of

40. Math

A weight attached to a spring is pulled down so that it is 10 cm from the floor and is released so that it bounces up and down. When the effects of friction and gravity are ignored. It's height can be modeled by a sine function of the time since it started

41. Chemistry

An equilibrium mixture of PCl5(g), PCl3(g), and Cl2(g) has a partial pressure of 217.0 torr, 13.2 torr, and 13.2 torr, respectively. A quantity of Cl2(g) is injected into the mixture, and the total pressure jumps to 263.0 torr. The appropriate chemical

42. physics

Atop a cliff, a projectile is fired horizontally with an initial speed of 10 m/s. Neglecting air drag, what is its speed 1 second after it is fired? A) 20 m/s.B) 14 m/s.C) 30 m/s.D) 28 m/s.E) 10 m/s. would this be 10 m/s?

43. Math

Two children sit on a seesaw that is 14 ft long. One child weighs 95 lb, and the other child weighs 69 lb. If x is the distance of the 69-pound child from the fulcrum when the seesaw balances, state the value of each of the other variables in the

44. writing skills

if we were teenagers at the time these signified our passage to adulthood.

45. Maths

For ghana lotto if 44-88 play closed in the first and second position respectively what order two number must follow in the next draws.

46. Chemistry

find the ph of 0.100M NaC2H3O2 solution. do i just write an equation and solve for x NaC2H3O2 +H2O= Na2O + HC2H3O2- 0.100 0 0 so x^2/0.100-x =1.8 X10^-5 x=1.3X10^-3 then do ph=-log(1.3X10-3) ph=2.9 is this right?

47. physics

A boy wishes to row directly across a river but the current flows at 1.5m.s-1 east. He can row at 3m.s-1. Draw a labelled vector diagram

48. Math

Stan's Cans, Inc. expects to earn \$150,000 next year after taxes on sales of \$2,200,000. Stan's manufactures only one size of garbage can and is located in the small, but beautiful, town of Mount Dora, Florida. Stan sells his cans for \$8 a piece and they

49. Physics

What type of spectrum is produced by a hydrogen gas when a high potential difference is applied to it? a visible spectrum emission spectrum absorption spectrum a continuous spectrum I've been all through my notes and cant figure this one out :/

50. ALGEBRA II

The sum of a number and 20 times its reciprocal is 9. Find the number(s). Please show working

51. Biology

Which of the following would be the most sigificant between mitosis and meiosis? A. Chromosomes are duplicated before mitosis B. Meiosis is not followed by cytokinesis C. Homologous Pairs of chromosomes are split up in meiosis. D. Crossing over occurs in

52. physics

Which of these cannot occur? A) A satellite orbiting about the equator.B) A satellite orbiting about the Earth's poles.C) Actually all these can occur.D) A satellite orbiting about the Arctic Circle.

53. PHYSIC

TWO BLOCKS ARE CONNECTED BY A LIGHT STRING THAT PASSES OVER A FRICTIONLESS PULLEY AS SHOWN IN THE DIAGRAM. THE COEFFICIENT OF KINETIC FRICTIONBETWEEN THE 6.0KG BLOCK AND THE SURFACE IS 0.25.FIND THE ACCELERATION OF THE 8-KG BLOCK AND THE TENSION OF THE

54. physics

A batter hits a baseball at a speed of 38.0 m/s and an angle of 65.0^\circ above the horizontal. At the same instant, an outfielder 70.0 m away begins running away from the batter in the line of the ball’s flight, hoping to catch it.

55. Geometry

isaac is landscaping a yard , to see how well a tree shades are area of the yard. He needs to know the trees height . The trees shadow is 18 feet long at the same time isaacs shadow is 4 feet long if isaacs is 6 feet tall how tall is the tree

56. English

Writeacher, I urgently need you to check these questions. Thank you. (I also included the answer, which you have already revised). 1) Who is Caliban? How did Caliban behave towards Prospero when he first arrived on the island? Does he regret his behaviour

57. physics

power supply has an open-circuit voltage of 39.0 V and an internal resistance of 2.00 Ù. It is used to charge two storage batteries connected in series, each having an emf of 5.50 V and internal resistance of 0.300 Ù. The charging current is to be 3.30

58. chemistry

Using standard heat of formations. (Appendix II in text). Calculate the standard enthalpy change for the combustion of methane. CH4 (g) + 2 O2 ---¨ 2CO2(g) + 2H2O (l) ƒ¢H0 = ?

59. physics

The speed of sound in water is 1498 m/s. A sonar signal is sent straight down from a ship at a point just below the water surface, and 1.95 s later, the reflected signal is detected. How deep is the water?

60. science

If 14.0 kilograms of Al2O3(s), 57.4 kilograms of NaOh(l), and 57.4 kilograms of HF(g) react completely, how many kilograms of cryolite will be produced?

61. physics

Three blocks are connected on the table as shown below. The coefficient of kinetic friction between the block of mass m2 and the table is 0.370. The objects have masses of m1 = 5.00 kg, m2 = 1.40 kg, and m3 = 2.30 kg, and the pulleys are frictionless.

62. physics

The speed of sound in water is 1498 m/s. A sonar signal is sent straight down from a ship at a point just below the water surface, and 1.95 s later, the reflected signal is detected. How deep is the water?

63. science

a bicycle coasting on a level sidewalk kinetic or potential energy?

64. Physics

A child drops a ball onto the road 28 m in front of a car travelling at 50 km/h. If the car can decelerate at a rate of 3.5 m/s2, will it stop before hitting the ball?

65. physics

Find the change in the gravitational force between two planets if the masses of both planets are doubled but the distance between them stays the same. Express your answer as an integer. I have no idea what exactly they are wanting here?? please help!

66. English

I urgently need you to check the following sentences. Thank you,Writeacher. 1) They left to go back home. 2) They always sulk about having to do too much homework. 3) He's having a sulk about ... (could you help me complete this sentence?) 4) Peter and

67. accounting

Write the journal entries to record the following transactions. A) Sold merchandise on account, \$11,000, terms 2/10, net 30. The cost of merchandise sold was \$8,000 (2 entries required). B) Issued a credit memorandum for \$500 to the customer for

68. physics

A 55-kg woman contestant on a reality television show is at rest at the south end of a horizontal 148-kg raft that is floating in crocodile-infested waters. She and the raft are initially at rest. She needs to jump from the raft to a platform that is

69. Physics

A block P of mass 2.75 kg is lying on a rough inclined plane of angle è=0.87 radians. Block P is attached via a model string that passes over a model pulley to a second block Q of unknown mass M kg hanging vertically. The coefficient of static friction

70. chemistry

A student found that there are 93 drops of glacial acetic acid in 2.00 mL. Calculate the number of drops of glacial acetic acid

71. Math

18. Carla earns \$8.43 per hour working 40 hours a week. If she worked 7 overtime hours one week, what would be her earnings? \$396.21 \$366.74 \$425.75 19. Lauren earns \$3.75 per hour as an usher. In 5 days her tips were \$19.75, \$25.30, \$18, \$21.50, and

72. geometry

An oval indoor running track with semicircular ends has the dimensions of 80' long, 34' wide, and the individual lane width is 5' wide. If the track is to be resurfaced how many square feet of material will be required? Help Please!

73. accounting

Write the journal entries to record the following transactions. A) Purchased \$4,900 of merchandise from a supplier on account, terms FOB shipping point, 1/10, n/30, transportation charges of \$80 were added to the invoice. B) Received a credit memorandum

74. Physics

Red light (n = 1.520) and violet light (n = 1.538) traveling in air are incident on a slab of crown glass. Both colors enter the glass at the same angle of refraction. The red light has an angle of incidence of 26.50°. What is the angle of incidence of

75. Science-Space

Compare Earth and the moon in terms of size and surface gravity.Explain please. What is the relationship between the moon's surface gravity, lack of an atmosphere, and temperature range? Explain please!

76. Social Studies

Of the problems experienced by the Confederation Congress, which do you think was the most harmul? and why

77. Physics

An object is placed in front of a converging lens in such a position that the lens (f = 14.0 cm) creates a real image located 27.0 cm from the lens. Then, with the object remaining in place, the lens is replaced with another converging lens (f = 18.0 cm).

78. physics

A car is coasting backwards down a hill at -5.0 m/s when the driver gets the engine started. After 4 seconds, the car is moving uphill at a velocity of +3 m/s. What is the car’s average acceleration?

79. physics

Jose can jump vertically 1 meter from his skateboard when it is at rest. When the skateboard is moving horizontally, Jose can jump ____________________. A) no higher.B) appreciably higher.C) somewhat higher.

80. math

Which decimal is equivalent to 25/100 A.2.5 B.2.05 C.0.25 D.0.025 C

81. Physics

A converging lens ( f = 12.2 cm) is held 7.65 cm in front of a newspaper, the print size of which has a height of 1.88 mm. Find the image distance (in cm) and the height (in mm) of the magnified print. d = cm h = mm

82. Principle

"the maximum blood pressure in the upper arm of healthy person is about 12mmHg.If a vertical tube open to the atmosphere is connected to the vein in the arm of the person,determine how high the blood will rise in the tube.Take the density of blood to be

83. statistics

he mean height of a certain kind of plant is 190 centimeters. Suppose we want to carry out a hypothesis test to see if the mean height when these plants are treated with a certain chemical differs from 190 . State the null hypothesis and the alternative

84. Physics

To move a crate across a rough floor, you pull on it at an angle of 21 degrees above the horizontal. How much force is needed if the mass of the crate is 32kg and the coefficient of static friction between the crate and floor is 0.57

85. physics

Consider the Sun to be at the origin of an xy-coordinate system. A telescope spots an asteroid in the xy-plane at a position given by (1.8 1011 m, 3.1 1011 m) with a velocity given by (-8.4 103 m/s, -6.3 103 m/s). What will be the magnitude of the

86. physics

A car is up on a hydraulic at a garage. The wheels are free to rotate, and the drive wheels are rotating with a constant angular velocity. Does a point on the rim of the wheel have (A) a tangential velocity, (B) a tangential acceleration and (C) a

87. geometry

A hot air balloon is in the shape of a sphere. Approximately how much fabric was used to construct the balloon if its diameter is 32 feet? Use 3.14 for . Round to the nearest hundred square feet.

88. chemistry

2. Aluminum chloride was a product in step 6. How could you instruct your lab partner to recover it.

89. Chemistry

I don't know how to reply to an answer. First of all thank you! For the question I just asked about the titration curves. Would that mean that titrating with barium hydroxide would take half the volume that is used when titrating with sodium hydroxide? Oh

90. Math

A weight attached to a spring is pulled down so that it is 10 cm from the floor and is released so that it bounces up and down. When the effects of friction and gravity are ignored. It's height can be modeled by a sine function of the time since it started

91. PHYSICS

What is the acceleration (in meters/second^2) of a freely falling 73.0 kg sky-diver, if air resistance exerts a force of 273 N?

92. Singapore Math

An animal shelter has 1008 cats, dogs and rabbits. The ratio of the number of dogs to the number of cats in the animal shelter is 3:7. The ratio of the number of rabbits to the number of dogs is 2:5. How many rabbits are there in the shelter?

93. IPS

why do glass bottles containing carbonated drinks sometimes explode when left in the sun for too long?

94. Math problem solvimg

Sally's grandfather is 67 tears old. Sally is 19 years old. At what age will Sally be exactly one third of her grandfather's age? How old will her granfather be then?

95. Physics

Lake Erie contains about 4.8 x 10^17 grams of fresh water. Assume that the lake has frozen solid and that the ice starts off at -3 C. How much energy would the lake need to absorb from the Sun to cause it to evaporate completely? Each gram of water will

96. Physics

A dockworker loading crates on a ship finds that a 23-kg crate, initially at rest on a horizontal surface, requires a 75-N horizontal force to set it in motion. However, after the crate is in motion, a horizontal force of 50 N is required to keep it moving

97. 3 grade english

a graphic source is an image that help you understand what you read. common graphic source include charts, graphs,and diagrams. study the following graphic source. then answer the questions below. the worst volcanic eruptions in history VOLCANO| LOCATION|

98. Biology

Explain how skin, bones and muscles are related to each other and Why is this relationship important to the understanding of the skeletal and muscular systems?

99. statistics

A company that manufacturers bookcases finds that the average time it takes an employee to build a bookcase is 23 hours with a standard deviation of 8 hours. A random sample of 64 employees is taken. What is the likelihood that the sample mean will be 18

100. Calculus-derivatives

Verify if these are correct answers. 1. The derivative of f(x)=e^2x -e^-2x is f'(x)=2e^2x - 2e^-2x? 2.A certain radioactive substance is decaying so that at time t, measured in years, the amount of the substance, in grams, given by the function

101. math

Jean has 4 times as many marbles as Peter. If Jean gave 18 marbles to Peter, they would then have the same number of marbles. How many marbles does each have?

102. math

For parts a-c, explain what would happen to a figure if you transformed it using the given rule A) (3x,6y) - B) (x+2,y+1)- C) (2x,2y+5)-

103. Physics

I have no idea how to do this question. Would be appreciated if someone help =) The velocity of a car is given by v(t)=60(1-[0.7]^t), where v is measured in m/s and t is measured in s. Determine the following: a)What is the acceleration function? b) What

104. Chemistry

If Kc = 0.450 at 40 degrees C and Kc = 0.545 at 90 C, what is the delta H for the reaction? X Y ____ kJ would this problem include using a van hoff factor..?

105. Liu

Find the present value of 9000 due at the end of 18years at 11%per year compounded monthly

asked by Steven espinosa
106. Physics

(the drawing is of a square with each side equaling L and the opposites of each corner are equal to each other, so the mystery corner would be 3I) Four parallel long straight wires are carrying current perpendicular to the page, and the points at which

I need to calculate the valueof Kc for 5 test tubes for an experiment that I completed on determination of Kc. The equation used was Fe^3+ + SCN^-= FeSCN^2+ After creating an ice table for the first test tube my values for Fe and SCN were 6.5e-4M and for

108. Physics

A uniform beam AB of mass 65.3kg rests against the smooth vertical wall at A, and the rough horizontal floor at B, at an angle 45deg. The coefficient of static friction between the beam and the horizontal floor is ì=0.242. Calculate the magnitude of the

109. Math

How much more crust does a large pizza with a diameter of 12 inches have than a small pizza with an 8-inch diameter?

110. astronomy

A body has four times the mass of the Earth but its radius is two times larger. What is the acceleration of gravity on the surface of this planet? If you were on this planet, should you be able to jump (on average) farther distances, shorter distances or

111. what does this mean?

What does it mean when my teacher says "quantify your conclusion." ???

112. Chemistry

I need to calculate the valueof Kc for 5 test tubes for an experiment that I completed on determination of Kc. The equation used was Fe^3+ + SCN^-= FeSCN^2+ After creating an ice table for the first test tube my values for Fe and SCN were 6.5e-4M and for

113. science

An amusement park has 2 roller coasters, a red one and a blue one. The first hill on the red roller coaster drops 10 meters. The blue roller coaster drops 25 meters. On which roller coaster will cars have the greater kinetic energy at the bottom of the

114. physical science

6. If one body is positively charged and another body is negatively charged, free electrons tend to [A. move from the negatively charged body to the positively charged body.] B. remain in the positively charged body. C. remain in the negatively charged

115. Science

How can scientists use the geologic time scale by sequencing the events of the earth in a time line?

116. math

Bob made a square table top with 100 white square tiles. He painted the tiles along the edge of the table red. How many tiles are red? You must show your work

117. Chemistry

How to set up to solve the equation 2 KCLO^3 ---> 2KCL + 3O^2 HOW MANY MOLES OF O^2 CAN BE PRODUCED BY LETTING 12.00 MOLES OF KCLO^3 REACT?

118. Calculus

For this problem, consider the function y=f(x)=x3 x2 – 1

119. physics

For S.H.M, a graph of acceleration against displacement gives a slope of 16 unit. The period is

120. math

A data set has one outlier. Why does the mode remain the same when it is calculated with and then without the outlier?

121. Calculus

1.Determine the maximum value of the function f(x)= 5^x -x^5 on the interval 0≤x≤≤2. 2. Determine the minimum value of the function f(x)= e^(-x) - 2e^x on the interval -1≤x≤2.

122. College Algebra

Let U = {5, 6, 7, 8, 9, 10, 11, 12, 13, 14}, A = {6, 8, 10, 12}, B = {9, 13}, and C = {6, 9, 12, 13, 14}. List all the members of each of the sets. (a) (A ¿ B) ¿ C , (b) A ¿ B ¾ C

123. Mechanics M1

A child is splaying with a toy aero plane. the aero plane is flying with velocity (6i + 2j)m/s. A breeze begin to blow with velocity 0.5j m/s affecting the motion of the aero plane. a) find the magnitude of the resultant velocity of the plane b) find the

124. math

The fixed cost to set up a manufacturing business for gizmos is \$1200. In addition, each gizmo costs \$12 to produce. What is the fewest number of gizmos that a manufacturer must sell at \$20 a piece to break even on costs?

125. bus 100

Operations Management" Please responds to the following: Review the major responsibilities of the operations manager and determine which responsibility is the most challenging. Assess and discuss your ability to succeed in this type of position. Discuss

126. physics

What net force is needed to accelerate a 1.6 × 103kg automobile forward at 2.0 m/s2?

127. Chemistry

How would the titration curve of hydrochloric acid solution differ if barium hydroxide was used to titrate instead of sodium hydroxide? How would the titration curve of hydrochloric acid solution with sodium hydroxide differ from the titration curve of

128. frost

whatt is the significance of the poem The Road not taken by Robert Frost?

129. physics

Calculate the force of gravity on a 1 kg mass at Earth's surface. The mass of Earth is 6.0×10^24 kg , and its radius is 6.4×10^6 m.

130. Chemistry

If two titrations were completed were completed: 1) the titration of HCl with Na(OH) 2)the titration of HCl with Ba(OH)2 (the concentrations of acid and base for both titrations are the same) How would the titration curves of each solution be different? I

131. PHYSICS

A cylinder contains 0.1 cubic meters of gas at atmospheric pressure. This gas is allowed to expand until its pressure drops to 7800 Pa. What is the gas volume after this expansion has taken place? answer: 7800/10130 = 0.770

132. Calculus

I have no idea how to do this question. Would be appreciated if someone help =) The velocity of a car is given by v(t)=60(1-[0.7]^t), where v is measured in m/s and t is measured in s. Determine the following: a)What is the acceleration function? b) What

133. 4 th grade Math

Of the first graders who were asked, 1/6 like math best, 2/3 like reading best, and 12 like science best. How many first graders were asked their favorite subject? Into how many equal parts should the picture be divided?

134. english

In the story "pecos bill: the cyclone" how were the great plains formed?

how do you write a fraction for a decimal?

136. chemistry

how many moles of suctose are in 0.8L of a 2M solution? How many molecules of sucrose is this?

137. physics

The electric motor of a model train accelerates the train from rest to 0.680 m/s in 23.0 ms. The total mass of the train is 580 g. Find the average power delivered to the train during its acceleration.

pound a nail

139. math

what are the odds in favor of randomly drawing the letter m from the letters in the word remember? would it be 2 out of 8 would you simplify it to 1 out of 4??? help

140. Physics

A car is doing a loop-the-loop. The loop has a radius of .4m. Assume the car is starting with the minimum speed it needs in order to stay in contact with the track at all times (at the top of the track, the car is not applying a force to the track).

141. math

A rectange has dimensions of 1 and 6. Another rectangle was drawn from it using a scale factor of 1.5. A. The area of the large rectangle is how many times the area of the small rectangle? B. The perimter of the large rectangle is how many times the

142. Organic Chemistry

how many grams of ZnCl2 are needed to prepare 250 ml of an aqueous solution with an osmolarity equal to 0.300?

143. math

Solve. Check for extraneous solutions. 1) (/3x+7) = x-1 2) (3/2x)-3=9 Note: (/3x+7) is the square root of 3x plus 7 and (3/2x)-3=9 is 3 times the square root of 2x - 3 equals 9.

144. calculus

if f(x) = square root of e^2x +1, then then f'(0) equals what?

145. calculus

find dy/dx if y= (x^5)(e^(x^4))

I had to make a graph using lnK vs 1/T and find the slope. The slope was -1.23e4 and now I have to find Ea. Do I divide the slope by R

147. Math

Jesse has 2 1/3 pints of soup.He makes dinner for his friends and serves 1/2 of his soup.How much did he serve?

148. English

Writeacher, I urgently need you to check this email. In particular, I wrote a few things I need to express better. 1) He has such a strong determination he always menages to achieve his goals. Thank you very much for your prompt reply. 2) Our students

149. LAW

well, i am not a student of Law..nut i have got a question to do..and i have searched it on the net..but i did not found the required answers..thats why am posting it here: What are the materials used for interpretation by Judge? Briefly can someone tell

150. Math

The size of a bacteria population is given by P=C*e^(kt) Where C is the initial size of the population, k is the growth rate constant and t is time in minutes. a) If the bacteria in the population double their number every minute, what is the value of k? I

151. math

paula and sam played in the park for 30 minutes. How many quarter hours did they spend in the park?

asked by yea leen
152. calculus

find the volue of the solid that is obtained by revolving the baout the indicated axis or line y=1/2 x^2 +2 y=2 -2

153. physics

A bicycle odometer (which measures the distance traveled) is designed for 27” wheels. What happens if you use it on a bicycle with 24” wheels? Will the odometer show the same, a larger or small distance traveled? Explain.

154. English

What was Longfellow's literary zeal??

155. 4th grade iconimics

a total of 200 raffle tickets have been sold, and 50 of those tickets will win prizes.if you have only one raffle ticket, what are the chances that you that you will win a prize? A- 1 in 3 B- 1 in 4 c- 1 in 5 D- 1 in 6 E- NG (not given) I think the answer

156. Math

A triangle has an angle whose sine is equal to 1/2. The angle is larger that 43 degrees in measure. Find the exact measure (in degrees) of the angle. I did sin x = 1/2 and got 150 for the answer Is this right? Thank You!

157. math

If a trend line had the equationy=x+9 what y value would you expect bto obtain when x is 20

158. Math

Helle, i need help for simplify the expression: [( cos x) ( sin x) - ( sin x) ( - sin x)] / ( sin x) ²

159. Sociology....

Explain why is the best method for studying human social development is by using Piaget's Theory of Cognitive Development?

160. MATH

Need Answer to the Following Please: Using the 9 digits, 1, 2, 3, 4, 5, 6,7, 8 and 9 you can arrange four different digits to form a four-digit number that is NOT divisible by 7. The digits 1238 cannot be arranged to create a four-digit number that is

161. math

30, 29, 7. 29, 32 What is the effect of the outlier on this data set?

162. Chemistry

I need to find the tested and published pH values of the following solutions: (1) 1.0 M NaCl (2) 1.0 M sodium acetate (3) 1.0 M sodium sulfate (4) 1.0 M Sodium Bisulfate (5) 1.0 M Sodium Carbonate (6) 1.0 M Ammonium Chloride\ Is there a reliable MSDS

asked by Really Need Help
163. Math :(

A rectangular pyramid with the base of 12 feet by 8 feet need to be filled with balloons. if the pyramid 16 feet tall, how much space is available for the balloons?

164. Chemistry

What is the ph of the final solution when 10 mL of HCl is completely neutralized with 11mL of 0.1M Na(OH)?

165. Medical billing and coding

compare and contrast contributory negligence with comparative negligence.

166. algebra

-7/3x+2/3=-11

167. Organic Chemistry

how many grams of ZnCl2 are needed to prepare 250 ml of an aqueous solution with an osmolarity equal to 0.300 osmol? I posted this question a few minutes ago, but forgot to add the last part of the sentence. Thanks!

168. algebra

log(base6)3600=5x Whats the exact answer? show work please

169. stats

A survey shows that 60% of people who listen to a song on the internet will buy the song. A sample of 30 people who listened to a song is taken. What will be the mean and standard deviation of the number who will buy the song?

170. Physics

A force of 150N is exerted horzontally to dispalacement through adstance of 400cm.how much work done?

171. calculus

for abs value of x

172. algebra

x^+6x+9 using the diamond and generic rectangle

173. english

How teachers of secondary school students can engage and capture their students in spite of all temptations in life. what i think teacher can do is to make some jokes in between class. i don't know what else to write please help.

174. physics

Calculate the weight (in English units) of a 2300 kg tiger.

175. Math

Solve each equation for 0≤x

176. PHYSICS

At he lowest point in its swing, a 2.5 kilogram pendulum bob has 40 joules of kinetic energy. How high will it swing when it reaches the highest point in its swing? 40/2.5 x 9.8 = 1.63 joules

177. algebra

find mid point of line segment whose end points are given (-3,-2) (-10,-9)please explain how this is done

178. calculus

Use the trapezoidal rule and simpson's rule to approximate the value of the definite integral âˆ«2,1 ln xdx; n =4

179. math

Ms. S 's classrõm has 35 desks arranged in 5 by 7 rows.How many students does Ms. S have in her class if there are 6/7*4/5 desks occupied

180. scientist

WHAT IS GENE?

asked by ABDUL REHMAN
181. English

What was so great about Henry Wadsworth Longfellow when it came to his work? What inspired him make write the types of poetry that he had?

182. math! help please wont take long

find the value of K so that 3x^2-6x+k=0 has a double root answer is 3. how do you find that

183. physics

You throw a 141 g ball straight up to a height of 45.0 m. Assume that the displacement of your hand is 0.70 m as you throw the ball straight up. How long is the ball is in your hand?

184. math

Ryan wants to use 22 feet of fence to surround a section of grass for his dog to play in. He wants the area of this section of grass to be 30 square feet. Which dimensions could Ryan use for this section of grass? 2ft by 9 ft 3ft by 8 ft 4 ft by 7 fy 5 ft

185. calculate ratios

Calculate the amount of drug in a ratio solution. How many micrograms are in 1ml of a 1:5000 solution?

186. Math

Assume k is a constant. the function g(x)= x4- 6k(x2) + 6k2 + x has at least one point of inflection a- if and only if k>0 b- if and only if k >= 0 My answer: g'(x) = 4x3 - 12kx + 6k2 g''(x) = 12x2 - 12k = 12(x2 - k) k has to be greater than 0 to make

187. physics

Careful measurements of local variations in the acceleration due to gravity can reveal the locations of oil deposits. Assume that the Earth is a uniform sphere of radius 6370 km and density 5500 kg/m3, except that there is a spherical region of radius 1.7

188. Pre-Cal

solve and round your answer to 4 dec. sinx= .4 in [0,2pi] secx= -3 in [0,pi]

189. Pre-Cal

given the function y=2sin3x-1, identify the following below. also show its graph for the primary cycle. (identifying parts of a trig. equation) asymptotes= k= c= axis= primary cycle= period=

190. math

four rectangular pictures each have an area of 2400cm2 the sides are all multiples of 5 what sizes could the pictures be

191. Life Orintation

Define the following terms.....Patriarchy,Social Norm,Gender Roles,Gender Stereotypes,Gender Equality.

192. Science

How can scientists use the geologic time scale by sequencing the events of the earth in a time line?

193. English

Just two more things. I can't find a proper verb to include in 1. 1) Can I officially inform the parents about the existing cooperation between our schools, which will be accomplished (??)through various projects? 2) As I wrote you or as I wrote to you in

194. Statistics

I need to find the measures of spread and center for each data set in a problem I am doing. How do I do that? Also, is the center the mean(average)? Or the median?

195. math

15x-5=1+12x

how do you write a fraction as a decimal?

197. physics

An ocean liner experiences broad waves, called swells, with a frequency of one every 20 seconds (0.05 Hz) and a wavelength of 440 feet. Assume the waves are moving due east. If the liner maintains a speed of 15 miles per hour, will it have a smoother trip

198. physics

Give 1 word term 1.changing momentum. 2.unimpeded motion of an object. falling under the influence of only gravity. 3.the phenomen that waves bend around the edges of an obstacle. 4.The force per unit charge at a point in an electric field. 5.the vector

199. Calculus

Determine the maximum and minimum value of the function f(x)=-xe^x + 2.

200. math 208

-8-(-9)+(-1)-24=

201. math

at hill school 112 new books arrived for each grade 2nd, 3rd and 4th which shows one way to find about how many books arrived at the school in all

202. english

latin, greek, english, and balto-salvic are all____ languages.

203. Social Studies

Was the TVA program in the New Deal aimed at relief or reform? I've seen different answers on the internet. Thanks.

204. Social 30-1

hello i am doing a recearch project on Hong Kong and one of the questions are: what are your countries Fiscal and monentary policies? i cant find them anywhere. if i could get your help that would be great!

x(x-32)=0

206. English

I've added a few more things to a sentence. I'd like you to check it. I included another doubt. 1) In particular, we may be interested in two different types of two-week courses: one for students, whose level usually ranges from low intermediate to upper

207. physics

An R-C circuit is driven by an alternating voltage of amplitude 110 and frequency . Define to be the amplitude of the voltage across the capacitor. The resistance of the resistor is 1000 , and the capacitance of the capacitor is 1.00 . I need help on what

208. physics

I am moving 3 blocks with a force of 3 newtons over a distance of 1 meter in 10 seconds. What is the power?

209. math

Numbers from least to greatest, which number could follow this order: 0.23,2/5,1/2

210. Math

Parallelogram problem find the lenth of th base H- 5.9m area is 50.15square meters = base is

211. Physics

An R-C circuit is driven by an alternating voltage of amplitude 110 V and frequency w. Define V0 to be amplitude of the voltage across the resistor. The resistance of the resistor is 1000 ohms and the capacitance of the capacitor is 1 microFarad. What is

212. math

My question is write 3 improper fraction that equal 42/3

213. math

the ratio of boys to girls is 9 to 10. There are 189 boysin the school. How many girls are there?

214. ....

what does "bifocal" mean?

215. ALG/TRIG

Lost is an understatement..please help me understand this. Orbits and Distance Johannes Kepler (1571–1630)discovered a relationship between a planet’s distance D from the sun and the time T it takes to orbit the sun. This formula is , where T is in

216. Physics

Which of the following statatements is correct? a. Thermos bottles keep food warm by combating heat loss through convection. b. A thick quilt is an example of an isulator with a low R value c. An object that is cool to the touch at room temperature is a

217. geometry

What's the missing side length in simplest form of 45 degrees, 45, & 10

218. PHYSICS

A person heats up a can of soup on a stove. If he does 250 joules of work on the soup by stirring it as the burner adds 1675 joules of heat, what is the change in its internal energy? I took 1675j - 250 j = 1425j

219. math

Which X|Y X|Y 1|~1 2|6 Y is 8 less than 8 timesX Y is 8 less than 7 times X Which

220. Math

what is 0.0878 rounded to the nearest tenth?

221. English

This is about the book Oedipus the King. What are three distinct moments of suffering? How could these moments apply to Aristotle's theory: a critical component of tragedy is a scene of suffering.

222. math

sec cube dx

asked by anti derivative
223. math

sec cube dx

asked by anti derivative
224. books

WHO IS THE FOUNDER OF PAKISTAN?

asked by ABDUL REHMAN
225. books

I am having trouble finding the birth date of Lady Montague from Romeo and Juliet. If you can please help me i would really appreciate it!!!!!!!!!!!!!!! Thanks sooooooooooo much, Isabel

226. maths urgent

The cost of 2 badminton rackets and 2 tennis rackets is \$240. The cost of 3 tennis and 2 badminton rackets is \$300. How much is a tennis racket?

227. language arts

I am writing a letter from the view point of an Italian immigrant in the 1920s. I am having trouble finding some sites that would give me reliable information about what their life is like and what kind of working conditions they have (hours, pay,

228. English

What does it mean that H.W. Longfellow reached the "household name" status?

229. west oktibbeha school

chemistry question help me find the answer to this question How many atoms of chlorine are present in 6 moles of chlorine gas

230. Science

During beta-particle emission, a neutron splits into a proton and an electron two protons two electrons two neutrons

231. English

I varied my original email including other information. I wonder if you could help me express the new things, in 4 and 7. Thanks a lot! 1) Thank you very much for your prompt reply. 2) Our students would really like to be involved in a student exchange

232. physics

a right triangle has a side of 41.2 m and a side of 9.8 m. find the length of hypotenuse

233. trig

16. Let W(ƒá ) be a point in Quadrant I on the unit circle with center O. W(ƒá )B is perpendicular to the x-axis at B, OB = 0.6. and W(ƒá )B ƒ­ 0.8. Find:

234. math

Compare these voting methods: Majority, Plurality, Borda, Hare, Pairwise Comparison, Tournament, and Approval by: o Indicating the advantage and disadvantage of implementing each method in conducting the next presidential election. o Give an example where

235. Math

14 1/2 - 5 1/4 =

236. math

andy is wrapping a present to give to his mother which is in the shape of a cube.each edge of the cube measures 12 inches. how much wrapping paper does he need.

237. Stats

What is the spread? How can it be found from a set of numbers?

238. Calculus

2. Determine the minimum value of the function f(x)= e^(-x) - 2e^x on the interval -1≤x≤2. Answer is minimum value 7.12?

239. bus 100

"Information Technology" Please responds to the following: Predict how technology will positively impact business over the next ten (10) years. Describe what specific changes or paradigm shifts you expect to see. Within the same 10-year period, discuss the

240. MATH

If the mean score on a set of 24 tests is 81and two more students took the test and score a 70 and a 59 what would be the new mean?

241. social studies

what happened to florida at the end of the american revolution

242. Math help

If a trend line had the equation: y=x+9 what y value would you expect to obtain when x is 20??

243. Algebra 2

How would I graph this function as a parabola: f(x)= -2(x+9)^2

s-7/11=26/11

245. algebra

A building has 5 walls each wall is between 170 and 190 feet long what is the total estimated distance around the building

246. grammar

What should i put? Five dollars (was,were)lying on the ground,so i turened them in at the office.

247. Math

Rounding each mixed # to nearest whole #. 1 7/8 - 2 1/4 Plz explain answer, thx

248. math

Solve. Check for extraneous solutions. 1) (/3x+7) = x-1 2) (3/2x)-3=9 Note: (/3x+7) is the square root of 3x plus 7 and (3/2x)-3=9 is 3 times the square root of 2x - 3 equals 9.

249. math

Solve. Check for extraneous solutions. 1) (/3x+7) = x-1 2) (3/2x)-3=9 Note: (/3x+7) is the square root of 3x plus 7 and (3/2x)-3=9 is 3 times the square root of 2x - 3 equals 9.

250. Science HELP!!!!!

Why isn't there a solar eclipse and a lunar eclipse each month??????? Compare the size of high and low tides in a spring tide and a neap tide.What causes the difference???????

251. Maths

increasing orignal price of an article by 15% and then increasing the new price by 15% again is equivalent to increasing the orignal price by what %?

252. Geometry

An A-frame house is 40 feet high and 30 feet wide. Find the angle that the roof makes with the floor. Round the angle nearest degree.

253. math

given the function F(x)=7x+8. find each of the following f(10)= f(-6)= f(0)= please explain

254. English Law

what is an arbitration clause? What is a cancellation clause? What is a prevailing law clause? What is a complaints procedure?

255. Geometry

2 root3 = square root of xsquared + 5x

256. maths

if the width of a rectangle was 38 and the length is 57 what is its perimeter

257. math

What is the maximum number of perpperoni slices that will fit on an 8 inch pizza? (They may touch, but not overlap)First make an estimate and then test yourself.

258. Math<3

What is the Value of -2(x-4)+1 when x=9? i got -9 is that right?

259. Math

What Is 48cm in inches?

260. Math

# 1 if the area of the parallelogram is 39cm2, what is its base? ____cm # 2 if the base of the triangle is 2 times its height, what is its area? ____cm need help

asked by i need help!
261. English

Writeacher, I clarified all the instances of "Prospero" and "Caliban". Thank you very much. 1) Who is Caliban? How did Caliban behave towards Prospero when Prospero first arrived on the island? Does Caliban regret his behaviour now? What does Caliban wish?

262. Math

4 3/7 + 7 1/2 = Thanks

263. Maths

Using a cramers and guassian elimination method solve this; a+2b+3c=600 2a+3b+c= 900 3a+b+2c=800

asked by Omotimehin pelumi

If the time elapsed is 4.26 min, what is the value of the rate constant, k? ln[R]t / [R]o = -0.0237 I am not sure how to slove this. Is Rt 4.26 min?

265. Calculus

Determine the slope of the tangent to the function f(x)=5xe^x at the point with x-coordinate x=2 a) -1/5 b) 10e^2 c) 15e^2 d) -5e^2

266. math

What quality represents four and one tenth more than some number is greater than eight and nine tenths

267. Math

How to solve- |-4(7-x)|=3

268. Math help

If a trend line had the equationy=x+9 what y value would you expect bto obtain when x is 20

269. Math help

If a trend line had the equation: y=x+9 what y value would you expect to obtain when x is 20??

asked by Ashley k
270. math

Solve. Check for extraneous solutions. 1) (/3x+7) = x-1 2) (3/2x)-3=9 Note: (/3x+7) is the square root of 3x plus 7 and (3/2x)-3=9 is 3 times the square root of 2x - 3 equals 9.

271. MATH

find a number that is 15 more than 4 times it's oppisite

272. Strayer

I need Face Books financial statements, do you know what links I can go to?

273. Math

3 1/6 - 1 1/3 =

274. geography

where will you be if you travel 6380 km around the world in any direction?

275. English

Writeacher, what time is in your country now? I really need you to check my last sentence. I hope you are not too busy with your grandchildren. Thank you very much for your invaluable help. 1) In particular, we may be interested in two different types of

276. math

From the pizza shop, James walks 12 blocks south, 22 blocks east, 18 blocks north, and 30 blocks west. What is the least number of blocks that he must travel if he returns to the pizza shop? Explain how you got your answer – draw a picture or write a

277. Life orientation

Explain three checks and balances that are in place in south africa that control and regulate the media

278. math

what is the prime factorization of 63?

279. books

WHERE WAS THE QUID-E-AZAM BORN?

asked by ABDUL REHMAN
280. math

110lb/d=__oz/wk