# Questions Asked onMay 18, 2011

1. ## physics

if one resistor is removed from a parallel circuit, the total current will 1) decrease b) increase c) remain the same and the current flowing through each of the remaining branches ____________________. removing one resistor makes total resistance greater.

2. ## College Physics

Two shuffleboard disks of equal mass, one orange and the other yellow, are involved in a glancing collision. The yellow disk is initially at rest and is struck by the orange disk moving with a speed vi. After the collision, the orange disk moves along a

3. ## Algebra

Miguel is choosing between two exercise routines. In Routine #1, he does only running, burning 15 calories per minute. In Routine #2, he burns 12 calories walking. He then runs at a rate that burns 12 calories per minute. For what amounts of time spent

4. ## math

In his algebra class, Rob has scores of 79, 85, 81, and 65 on his first four tests. To get a grade of C, the average of the first five tests must be greater than or equal to 70 and less than 80. Solve an inequality to find the range of scores that Rob can

5. ## Algebra II

1) write an equation for a circle with the center (2,0) and radius sqrt 11 2) Find the common ratio in the geometric sequence : 7, -28, 112 .... 3) In a recursive formula, each succeeding term is formulated from the next term. a) true b) false 4) find the

6. ## Geometry

4 balls each with a radius 1 inch fit snuggly into a 2x2x8 inch box. Is the total volume left over inside the box greater than or less than the volume of a fifth ball? Justify answer. I got as far as figuring the volume of box is 32 cubic inches I'm not

7. ## physics

The engine weighs 4500 newtons and it is lifted 1.5 meters up by the block and tackle system. To accomplish this, the mechanic must apply a force of 225 newtons while pulling a total of 37.5 meters of chain through the block and tackle pulley system What

8. ## physics

A man weighs 645 N on Earth. What is his mass?

9. ## Chemistry

The temperature of a 2.0 g sample of aluminum increases from 25 to 30 degrees celcius. How many joules of heat energy were added? Specific heat of Aluminum is .9

10. ## College Physics

A 7.00 g bullet, when fired from a gun into a 1.00 kg block of wood held in a vice, penetrates the block to a depth of 8.00 cm. If the block had instead been at rest on a frictionless horizontal surface, to what depth would the bullet have penetrated?

11. ## Trigonometry

Find the angle of elevation of the sun when a tower 100m high casts a shadow of 120 meter long?

12. ## math

Find all the points having an x-coordinate of 9 whose distance from the point (3, -2) is 10. (9, 6), (9, -10) (9, 13), (9, -7) (9, -12), (9, 8) (9, 2), (9, -4)

13. ## ipc

A skydiver jumps out of a hovering helicopter, so there is no forward velocity. Ignore wind resistance for this exercise. 1. What is the skydiver's acceleration? (2 points)

14. ## Chemistry

When 1.187g of a metallic oxide is reduced with excess hydrogen, 1.054g of the metal is produced. How do you determine what the metal oxide is?

15. ## Algebra

The function h is is defined below. h(x)=48x^2+ 12x - 16 Find all values of x that are NOT in the domain of h. If there is more than one value, separate them with commas. I'm lost.

16. ## Chemistry

What is the molarity of a sodium hydroxide solution if 38 mL of the solution is titrated to the end point with 14 ml of .75M sulfuric acid?

17. ## math final studying

beth scored 75 on her first math test. she scored 20 % higher on her next math test. what did she score on the second test?

18. ## medical billing & coding

Anyoen have any ideas on how to do the final exam for the penn-foster course? There are 4 and I am at a total lost on where to start.. don't want you to do the work for me just need someone to send me into the right direction

19. ## Algebra

Miguel is choosing between two exercise routines. In Routine #1, he does only running, burning 15 calories per minute. In Routine #2, he burns 12 calories walking. He then runs at a rate that burns 12 calories per minute. For what amounts of time spent

20. ## Chemisty

What is the Net Ionic Equation for the following: a.) NH4Br, NaOH b.) Li2CO3, HClO4 c.)Pb(NO3)2, Kl

21. ## maths

my daughter studying in 2nd standard this is the project work i don't understand, please show me the answer. make a chart to represent nos 1-15 using small objets

22. ## math

how is basic math used in the medical office?

23. ## physics

if one resistor is removed from a parallel circuit, the total current will 1) decrease b) increase c) remain the same and the current flowing through each of the remaining branches ____________________.

24. ## Physics

The helicopter view in the figure below shows two people pulling on a stubborn mule. Assume that F1 is 130 N, and F2 is 65 N. The forces are measured in units of newtons (N). (a) Find the single force that is equivalent to the two forces shown. In both

25. ## Physics

An ostrich runs north in a straight line for 21 meters. She then turns around and runs 25 meters back toward her nest (south) on the same path. What is her displacement?

26. ## Physics

A car experiences an average acceleration of 5.00 km/hr/s for 3.50 sec. What is the change in velocity of the car?

27. ## math

If (3, b) is a point on the graph of 3x - 2y = 17, what is b? -4 4 11/3 23/3

28. ## Biology

Among protostomes, which morphological trait has shown the most variation? A. Type of symmetry (bilateral vs. radial vs. none) B. Type of body cavity (coelom vs. Pseudocoelom vs. acoelom) C. Number of embryonic tissue types (diploblastic vs. triploblastic)

29. ## chemistry

Oxygen can be produced by the thermal decomposition of mercuric oxide: 2 HgO(s) → 2 Hg(l) + O2(g) How many liters of O2 are produced at 50.0°C and 0.947 atm by decomposition of 57.0 g of HgO?

30. ## physics

Three identical resistors are connected in series to a battery. The voltage drop across one of the resistors is ___ times the voltage of the source.

31. ## English

Thank you very much for helping me rephrase it. I wonder if you could help me express the message Eliot wants to convey through his poem. What do the dried tubers symbolize? Thank you. 1) Eliot, however, prefers the winter because it lets men leave in

32. ## Programming

Here is the question that I need help to write the code for the following program in Visual Basic 2010. I am trying to write the code but it has a run time error. If your could helps me to write the code it would be greatly appreciated. Q. Write a program

33. ## physics

if three resistances in parallel circuit are all equal, the total resistance is ___ the resistance of any on branch.

34. ## Physics

A scaffold of mass 50kg and length 5m is supported in a horizontal position by a vertical cable at each end. A window cleaner of mass 70kg stands at a point 2m from one end. Determine the tension in the nearer cable and also the farther cable.

35. ## Math

A number cube is rolled 60 times. How many times would you expect to roll a 5?

36. ## phy

Calculate the density for a rectangular block using the following measurements. Length: 2.70 cm, Width: 1.10 cm, Height: 9.09 cm, Mass: 72.17 g. Round your answer for density to 2 decimal places. Include the correct unit for density. Show your work

37. ## physical science

what reaction do you get when adding 3 tespoons of Na2S2O3 to 50 ml of boiling water

38. ## physics.

resistors of 30 ohms and 60 ohms are connected in parallel and joined in series to a 10 ohm resistor. the circuit voltage is 180 volts I need to find 1)the voltage of the parallel circuit 2)the resistance of the complete circuit 3)the voltage across the 10

39. ## COM

What steps must be taken prior to writing an effective persuasive essay? How will those steps contribute to the effectiveness of your final paper?

40. ## COMP100

Downloading resources from the Web is beginning to be fairly common. What do you think the legal issues are when doing this? Should people expect to give up property rights to material they have created when they post it on the Web? Why or why not?

41. ## government

A colony of a country that followed mercantilism during the 17th century would NOT be encouraged to develop __________.Select one of the options below as your answer: A. farming B. fishing C. slavery D. its own form of government

42. ## science

if a plane drops a bomb, does the bomb fall straight down, or behind or forward?

43. ## goverment

The Enlightenment idea of “natural rights” is that _________. Select one of the options below as your answer: A. monarchs rule by divine right B. people have natural rights that governments cannot arbitrarily take away C. ethical principles are capable

44. ## math

(10x - 1)^2 Does it = 100x + 1

45. ## math

find the slope: (-2,-2) (3,6)

46. ## Physics

In a sound wave, we find a location and time when the density fluctuations are at a maximum. At this same location and time ... a) Pressure fluctuations and displacement are minimum. b) Pressure fluctuations and displacement are maximum. c) Pressure

47. ## comp100

Office 2007 gives users the opportunity to jazz up the document with templates, WordArt and other graphics. Do these items add to or detract from the look of a Word document? For what types of documents might it be inappropriate?

48. ## math

what is the amount of space, in cubic units, occupied by a three-dimensional object?

49. ## Life orientation

five ways in which teenage prapnance problem impacts on community.

50. ## earth

planet is in circular orbit around the Sun. Its distance from the Sun is 2.9 times the average distance of Earth from the Sun. What is the period of this planet, in Earth years?

51. ## physics

A vector has a magnitude of 18.2 cm and makes an angle of 129.0° with the positive x-axis. What are the x- and y-components of this vector

52. ## Physics

Two displacement waves are added resulting in constructive interfernce and these waves have the same period T = 1.00 s are described mathematically by: y1 = (3.0 m) cos[ 2ðt/T + ð ] y2 = (1.00 m) cos[ 2ðt/T + 2ð ] (i) What is the resultant displacement

53. ## geometry

in application problems, a horizontal line of sight is used as a reference line. an angle measured above the line of sight is called an angle of ____, and an angle measured below the line of sight is called an angle of depression.

54. ## Physics

Which of the following are not transverse waves? a) Wind (Airy) waves on the ocean. b) Water ripples in a small pool. c) Microwaves inside a microwave oven. d) Vibrations travelling on the string of a guitar. e) Radio waves travelling through space. f)

55. ## physics

resistors of 30 ohms and 60 ohms are connected in parallel and joined in series to a 10 ohm resistor. the circuit voltage is 180 volts I need to find 1)the voltage of the parallel circuit 2)the resistance of the complete circuit 3)the voltage across the 10

56. ## physics

resistors of 30 ohms and 60 ohms are connected in parallel and joined in series to a 10 ohm resistor. the circuit voltage is 180 volts I need to find 1)the voltage of the parallel circuit 2)the resistance of the complete circuit 3)the voltage across the 10

57. ## Chemistry

What happens to the color of the FeCl2 when the equivalence point is reached?

58. ## English

Discuss any areas related to citing sources that you find confusing or difficult understand or apply. In your responses to others offer suggestions to help understand the issue.

59. ## math final studying

the distance between bases on a baseball feild is 90 feet.if 3 players hit home runs during a game and each runs around all 4 bases what is the total distance the player run?

60. ## history

what la governor use state money to pay for world's fair

61. ## social studies

Who had the smoothest transition from communism

62. ## n

boys to girl ratio 5:4 if there was 27 students how many biys were there?

63. ## physics

if three resistances in parallel circuit are all equal, the total resistance is ___ the resistance of any on branch.

64. ## Physiology

Suppose you were to grind up and homogenate a pancreas. Do you think it would be possible to isolate insulin from this hemogenate? ( Hint: remember that the pancreas is also an exocrine gland, producing pancreatic juice) Explain your answer

65. ## Trigonometry

The angle of elevation of the sun is 20 degrees. At the same time,how long is the shadow cast by a building 50 meter high?

66. ## math final studying

an architect is building a model of a tennis court for a new client. on the model the court is 6 inches wide and 13 inches long. an official tennis court is 36 feet wide. what is the length of the court?

67. ## Chemistry

In chem lab we did an experiment with two rods, one that was martensite (one that made a thud sound) and the other austenite (one that made a ping sound). We put both of the rods in N2 and another time we put it in boiling water. Each time the rod would

68. ## science

what allows water to change to all three states (liquid,gas,solid)

69. ## english

Identify the indirect object in the following sentence: Fernando read Miguel a bedtime story.

70. ## phys

An astronaut drops an object from rest (relative to the planet) on a planet alpha (having the same radius as of earth) from an altitude of one radius above the surface. When the object hits the surface its speed is 3.98 times what it would be if the same

71. ## english

What is the subject of the following sentence? Please help me figure this out! a. Please b. help c. me d. You (implied)

72. ## Algebra

Austin is going to rent a truck for one day. There are two companies he can choose from, and they have the following prices. Company A charges \$104.00 and allows unlimited mileage. Company B has an initial fee of \$65.00 and charges an additional \$.60 for

73. ## the American journey

1.why were immigrants and african americans hired to build the transcontinental railroad?A.they lived near the railroad?B.they were extremely skilled.C.they would work for very low wages.D.all of the above

74. ## English

I'm finding it difficult to paraphrase (word by word) the poem "The Cruellest Month" by Eliot. I'll include it here in the hope you can have a look at it and help me rephrase it. 1) April is described as the cruellest month since it breeds (stirs/awakens)

75. ## sew

When making alterations, as many alterations should be made when?

76. ## Chemistry

What is the freesing point for ethanol and methane

77. ## math

a dollar bill has an area of 15.86 square inches. if a dollar bill is 2.6 inches long, how wide is t?

78. ## physics

for 2 metal bars with one twice as large as the other of same alloy, which produces longer wavelength? highest frequency? highest velocity?

79. ## Chemistry

What is the freesing point for ethanol and methane

80. ## geometry

Find the length of segment AG in the figure if the prism is 8 ft by 9 ft by 12 ft.

81. ## Chemisrty

Temp c KBr 20 65 40 80 60 90 80 100 100 110 At 100 C, 10.5 g KBr/10gH2O = 105 g/100 g (just multiply the top and the bottom by 10 to give you 100 g H2O) B) Since the solubility at 100C is actually 110, no, it isn't saturated (105 is less that 110). C) Yes,

82. ## physics

If the initial velocity of the car in the previous problem (the car accelerates at 5.00 km/hr/s for 3.50 sec) is 22.6 km/hr, what is the final velocity of the car?

83. ## Chemistry

Are these balanced and are my products correct? 3HNO3(aq)+Al(OH)3(s) = Al(NO3)3+3H2O(l) Na2CO3(s)+H2SO4(aq) = H2O(l)+CO2(g)+Na2SO4(aq) I just wanted someone to look this over and see if I did it right

84. ## math

The sides of a triangular lot are represented by x, 2x, and 3x + 2. Find each side if the perimeter is 362 feet.

85. ## biology

compare the size of a guard cell to the size of a chloroplast. does the guard cell have room for more chloroplast

86. ## Chemisrty

Calculate the amount of solute needed to make the solution .50kg of a 18% (m/m) KOH solution

Greg will need \$218,000.00 in 15yrs for college bills, how much does he have to invest today @8% compounded semiannually?

88. ## History

which of the followin was true of the Jusiciary act of 1801?

Earl wants to retire to San Diego when he is 65, he is now 50. He will need \$300,000.00, how much would he have to invest today @6% interest compounded semiannually to meet his goal?

90. ## phy 101

the velocity of a body performing simple harmonic motion is given as what

91. ## physics

if one resistor is removed from a parallel circuit, the total current will 1) decrease b) increase c) remain the same and the current flowing through each of the remaining branches ____________________. removing one resistor makes total resistance greater.

92. ## math final studying

a triangular road sign has a height of 8 feet and a base of 16.5 feet.how much larger in area is this sign than one with a height of 4 feet and a base of 8.25 feet?

93. ## logic

I need help proving these arguments using rules of inference, please. (S>B) > (SvK) (Kv~D) ~ (H>S) ~S.W / ~H ~A > (B>~C) ~D > (~C >A) D v ~A ~D

94. ## math

there is a water reservoir beneath a circular garden to supply a foutain in the garden.the reservoir has a 26-inch diameter.the garden has a 12-foot diameter. how much of the garden does not contain the waer reservoir?

95. ## chemistry

the human body obtains 2000 kj from a candy bar. if this energy were used to vaporize was at 100 degrees celcius, how much water in liters could be vaporized? ??(assume that the density of water is 1.0g/ml)

96. ## 7/8 math

What is a trinomial(as opposed to binomials and mononomials)?

97. ## calculus

write it in the form of a+ib (1+i)^2 (1-i)^3

98. ## Social Studies

Why do so many Asian countries speak English or French?

99. ## english

Which of the following pronouns shows possession? they - them - her - its

100. ## math

Change the number sixteen to an improper fraction Change the number twenty-eight hundredths written as an improper fraction, decimal, and mixed number.

101. ## science

what is conduction

102. ## chemistry

i do not understand how to do these and i have a question on my test tomorrow on this stuff can someone explain to me how to do this? for each of the following molecules draw the lewis structure, determine the shape, determine the polarity, and determine

103. ## physics - need help

Resistors of 30 ohms and 60 ohms are connected in parallel and joined in series to a 10 ohm resistor. The circuit voltage is 180 volts. Find: the voltage of the parallel circuit the voltage across the parallel circuit the current through the 10 ohm

104. ## physics

A 2.00 kg blob of Gak, moving at 4.0 m/s, strikes a motionless figure skater in the back and sticks. The skater, with the Gak on her back, glides off at 0.160 m/s. Calculate the skater’s mass.

105. ## Ecology bio

What is meant by "high quality" and "low quality" litter? What impact does litter quality have on decomposition rates?

106. ## science

Ok, your suppose to make a rule and I don't know what the answer is.. ok, the question is : If an object weighs x newtons, how much force is needed to lift it up?

107. ## calculus

calculate the area bounded between the parabola y=x2, the straight line y=(x/2)+2, line x=1 and the y-axis.

108. ## college chemistry

Which is faster, a bullet with a velocity of 1100. feet per second, or Superman traveling at 1100. miles per hour? Provide the correct velocity for either Superman or the bullet in scientific notation with the correct number of sig figs. You must use the

109. ## Math

What is 42 + x = x^2? How do I solve for X? Thanks

110. ## geometry

An observatory has the shape of a right circular cylinder topped by a hemisphere. The radius of the cylinder is 8 ft and its altitude measures 26 ft What is the approximate surface area of the observatory? Round to the nearest foot. Show all work to

111. ## chemistry

A saline solution was prepared by dissolving 5.45 g sodium chloride to 96.77 g water. What is the concentration in weight percent for this saline solution?

112. ## chemistry

A solution was prepared by adding 0.5283 g of sodium hydroxide to a 50 mL volumetric flask. What is the concentration of sodium hydroxide in moles per liter?

113. ## chemistry

A solution was prepared by adding 0.5283 g of sodium hydroxide to a 50 mL volumetric flask. What is the concentration of sodium hydroxide in moles per liter?

114. ## math

what is 42 5/12 minus 27 7/12 equals

115. ## Physiology

Indicate whether the following would increase or decrease during exercise.? 1.activity of the sympathetic nervous system 2.urine FORMATION 3.vasodilation of blood vessels in the skeletal muscles 4. stroke volume 5.venous return 6.activity of the vagus

116. ## math

what is 42 5/12 minus 27 7/12 equals

117. ## physics

If three identical resistors are connected in series to a battery, the resistance of the combination will be ___ times the resistance of any one of the resistors.

118. ## Geometry

A square is circumscribed about a circle. What is the ratio of the area of the circle to the area of the square? A. 1/4 B. 1/2 C. 2/π D. π/4

119. ## physics

A 50 ohm lamp and a 10 ohm electric iron are connected in series to a generator delivering 120 V. The current through the lamp and the iron is ___ The voltage ccross the lamp is ___ The voltage drop acrowss the iron is ___ How do I set these up? Thank you.

120. ## chemistry

Using a pipet, 25 mL of a 0.1205 M HCl solution was placed in a 100 mL volu metric flask and the flask filled to the mark with water. What is the concentration of the new solution?

121. ## chem

How many grams of potassium permanganate (KMnO4) should be added to a 100 mL volumetric flask to prepare a 0.02505 M solution when the flask is diluted to the mark with water?

122. ## Physiology

Indicate the site of the following activity in the digestive system (mouth, esophagus, stomach, small intestine, large intestine, liver, gall bladder, pancreas). 1.breakdown of cholesterol by formation of bile acid 2. principal site of formation of folic

123. ## Physiology

Clotting disorders are common, complex and affected by a variety of medications or mechanisms. Match the mechanism to the description. a. coumarin b. EDTA c. aspirin d. factor VIII deficiency e. tissue-plasminogen activator (TPA) f. heparin 1.inhibits the

124. ## science

What is the average velocity of the argon atoms in the gas phase at 75°F?

125. ## critical thinking

how can the concept of national identity both unite and divide people

126. ## math

Multiply in the indicated base 12 x 5 4 5 _________________

127. ## Physics

A conduction heat wave is caused to pass through a metal bar of average temperature Tmean = 38.0 ¢XC, altering its temperature sinusoidally with an amplitude of Ti = 3.00 ¢XC. The equation which gives the temperature, T(x,t), of the metal bar at any

128. ## Physiology

For discussion of endocrine disorders 1.Diabetes insipidus Hormone affected? Too much or too little? 2.Graves’ disease Hormone affected? Too much or too little? 3.Acromegaly Hormone affected? Too much or too little? 4.Addison’s disease Hormone

129. ## math

the base of a rectangular prism is congruent to the base of a pyramid. The height of the pyramid is 3 times the height of the prism. Which figure has a greater volume? Explain. I'm terrible with these kind of word problems. If you could explain that would

130. ## chemistry

list the five general chemcial reactions. for each one list the: -reactants and its name -products and its name -and balance the equation then graph the results...

131. ## Physiology

Match the hormone or regulatory mechanism to digestive function.? a. Enterokinase b. gastrin c. intestinal cells of Cajal d. cholecystokinin e. CFTR f.enteric nervous system 1._______ this hormone contributes to the secretion of pancreatic juice 2._______

132. ## Special Education

What are the benefits of having an Intelligence Integration Training level 1 certificate?

133. ## Physiology

Indicate the effect of the hormone on the response (increase, decrease, no effect)? 1.__________________ effect of secretion of insulin on blood glucose levels 2.__________________ effect of secretion of ADH on blood pressure 3.__________________ effect of

134. ## science

whats the reactant of 2,4-D with ethanol

135. ## physics

A hydrogen atom, when vigorously perturbed, can emit light with a frequency of 6.16 × 1014 Hz. When the same light from hydrogen atoms in a distant galaxy is observed on earth, the frequency is 5.21 × 1014 Hz. Calculate the speed at which the galaxy is

136. ## Math

Solve: y=3x+7 y=4x-2

137. ## MATH

the base of a rectangular prism is congruent to the base of a pyramid. The height of the pyramid is 3 times the height of the prism. Which figure has a greater volume? Explain. I'm terrible with these kind of word problems. If you could explain that would

138. ## criminal justice

Prepare a 6–8 slide PowerPoint presentation that addresses the following questions: •What are some of the ways that organized crime impacts you and a community and/or city (of your choice) directly? (This element will account for 20% of your grade.)

139. ## Tables

How to do a table with fractions,decimals,and percents

140. ## science

i had to make up an experiment for school. but my teacher said it wasn't an experiment. my hypothesis is that there is a relationship between divorce rates and teens school grades. how do i make this into an experiment. please help!

141. ## MATH

make an input-output table for the equation y= -x-2 using the domain 0,1,2 and 3. Tell whether the table represnts a function. How do you do this?

142. ## geometry

you are to design, draw and label the dimensions of 3 boxes that will hold enough detergent to do 18 loads of laundry. Each scoop of detergent does one load. The size of the scoop is 3in.x2in.x2in. all work must be shown on the work page. At the bottom of

143. ## physical

That's the best aneswr of all time! JMHO

144. ## chemistry

Calculate the equilibrium constant for 2CH3OH(l)+3O2(g)->2CO2(g)+4H2O(l) by using standard reduction potentials?

145. ## biology

do mutations form new or old genes????

146. ## geometry

Triangle ABC is a right triangle such that m angle B= 90 degrees. If AC= 12 and BC=9, what is the perimeter of triangle ABC ? round to the nearest tenth.

147. ## Physics

Suppose the stone is thrown at an angle of 32.0° below the horizontal from the same building (h = 49.0 m) as in the example above. If it strikes the ground 69.3 m away, find the following. (Hint: For part (a), use the equation for the x-displacement to

148. ## Math

the nature camp students are lunch at the lodge. They sat at an even number of tables. There were 5 students sitting at one table, and an equal number of students sitting at each of the other tables. How many students were sitting at each of the other

149. ## ENGLISH!!

is i a verb or noun?

150. ## Algebra 1a

What the answer for this? 3 more than the quotient of a number and 2

151. ## Algebra 1a

What the answer for this? 3 more than the quotient of a number and 2

152. ## math

A cooking pot used in the cafeteria weighs 64 pounds when it is filled with soup. How much would a smilar pot witha scale factor of 1/2 weigh when filled with the same soup? would you just do 64 divided by 2? If not then what do i do?

153. ## Calculus - Integration by Parts

Please help me solve this integration problem. I don't understand how to do it. Thank you! ∫e^(2x)*sin(2x)dx

154. ## meaning of a word(quick) thanks

Left unabated, obesity will surpass smoking as the leading cause of preventable death in America What is a another word for surpass

155. ## math

Given the following sets, select the statement below that is NOT true. A = {l, a, t, e, r}, B = {l, a, t, e}, C = {t, a, l, e}, D = {e, a, t}, E = {t, e, a}

156. ## English

Just a question. Can you say: She is going to be two in two days'time (or in two days) I'm going to Sicily in a month's time. Is "time" optional? Thank you

157. ## chemistry

A quantity of 2.20 mol of CaCl2 are dissolved in 1.00 L of water. What is the freezing point of this solution at 1 atm of pressure?

158. ## chemistry

A quantity of 2.20 mol of CaCl2 are dissolved in 1.00 L of water. What is the freezing point of this solution at 1 atm of pressure?

159. ## Phy 131

A child operating a radio-controlled model car on a dock accidentally steers it off the edge. The car's displacement 0.65 s after leaving the dock has a magnitude of 8.4 m. What is the car's speed at the instant it drives off the edge of the dock?

160. ## economics

explain the importance of the following terms in the u.s. free enterprise system:a)profit motive, b)voluntary exchange, c)private property rights, and d)competition

161. ## MATH!!!

A cooking pot used in the cafeteria weighs 64 pounds when it is filled with soup. How much would a smilar pot witha scale factor of 1/2 weigh when filled with the same soup? would you just do 64 divided by 2? If not then what do i do?

What are the 5 types of employment groups?

163. ## Math

12 is what percent of 48

164. ## Math

In a 1/2 mi relay, each runner runs 1/8 mi. How many runners are on the team?

165. ## Algebra

The polynomial function is defined by f(x)=4x^4+2x^3-8x^-5x+2. Use a calculator to find all the points (x,f(x)) where there is a local maximum. Round to the nearest hundredth.

166. ## math

solve the equation for x. write the solution set . -x2 + 12x = 0

167. ## Chemistry

How many d electrons are there in MnO4-? please explain.

168. ## Quantum Physics

A proton is confined in an atomic nucleus of size 2 fm. Determine the fundamental limit on the uncertainty of any prediction for the measurement of the momentum of the proton in the nucleus.

169. ## SraJMcGin-French

Sra sorry, the exercise was supposed to be in the past, the instructions were wrong, it should have said, tell what you did at the restaurant. So the teacher told me to put it in the past. Could you please look it over, thanks so much:) And sorry for the

170. ## social studies

history of social studies in africa,britain and america

171. ## English

Thank you very much. Could you check these sentences about the interior monologue. 1) The American psychologist William James coined the phrase “stream of consciousness” to define the continuous flow of thoughts and sensations that characterize the

172. ## Math

Write the perfect squares that are greater than 70 and less than 120.

173. ## Math

On Saturday, 124 customers went into the Sandwich Shop. Of those customers, 1/4 ordered the lunch special. How many customers ordered the lunch special?

174. ## physics

A particle moves along the x axis. It is initially at the position 0.280 m, moving with velocity 0.080 m/s and acceleration -0.240 m/s2. Suppose it moves with constant acceleration for 3.10 s. (a) Find the position of the particle after this time. (b) Find

175. ## social studies

How did the Battle of Bunker Hill make the colonists more confident in declaring independence from Britain?

176. ## Math

If two number cubes are rolled, what is the probability of getting at least one even number?

177. ## Health

What is the main idea of the film "supersize me" and the reason of the movie

178. ## speach esay : YOU ARE PRESIDENT OF ENGLISH LANGUA

speach esay : YOU ARE PRESIDENT OF ENGLISH LANGUAGE SOCIETY YOU HAVE BEEN ASKED TO GIVE A SPEACH TO THE MEMBERS OF YOUR SOCIETY ON ''THE IMPORTANCE OF HAVING GOOD ENGLISH''?

179. ## math

1/2x+1/3x+1/4x+1/5x=77 whats x?

180. ## math

solve the equation for x. write the solution set x2-100x=0

181. ## Math

Simply. 3 + 4(q + 3) + 4q

182. ## Health & Social Care

describe how you would communicate sensitive information to an individual knowing the information was likely to cause them distress

183. ## math

John bought n objects, each costing n cents. The change he received from his \$10 bill was less than \$1 and consisted of only two denominations of coins. What was the minimum number of coins that John could have received?

184. ## Math Geometry

Geometry Question: Prove the symmetric Property for congruence of triangles. Given: ∆ABC≅ ∆DEF Prove: ∆DEF≅ ∆ABC

185. ## calculus

Evaluate x-y when x=57 and y=29

186. ## science

my daughter has a science project she is in 7th grade what should she do

187. ## Math

Hi, my name is Jane:). Math is my worst subject ever, so it surprised me how I'm in the advanced class! The teacher doesn't exactly explain things well and I'm not easily understanding the lessons. He told me if I don't turn in this packet we'll have

188. ## Physics of materials

Gaseous nitrogen has a density of 1.17 kg/m3 and liquid nitrogen has a density of 810 kg/m3. [The relative molecular mass of nitrogen is 28.0] What is the mean volume per nitrogen molecule in each case? What is the mean separation between nitrogen

189. ## physics

three resistors of 10, 15, and 20 ohms are connected in parallel to a source of current. In which resistor is the current greatest How do I set this up?

190. ## algebra

(1.) Solve. Then graph ¡Á+8>2 The solution set {¡Á|¡Á>blank} (2.) Solve. Then graph a+1¡Ü-17

191. ## algebra

Solve using the addition principle 2¡Á+3¡Ü¡Á+5 The solution set is {¡Á|¡Á¡Ü blank }

192. ## physics

five resistors of 30 ohms each are connected in parallel across a 120 volt line. the combined resistance of the five resistors is ___ ohms. The total current in the circuit is ___ amperes. The current in each branch is ___ amperes. How do I set these up:?

193. ## FRENCH

Another exercise. You just completed a month long family stay in Provence. Tell where you went and what you did, each week. Week 1: nous sommes allés à Provence, et nous avons traversé le Pont du Gard. Nous sommes allés à Aix-en-Provence et nous avons

194. ## Chemistry

What is the pH of a solution prepared by mixing 50.0 mL of 0.010 mol/L HCl(aq) and 50.0 mL of 0.010 Ca(OH)2(aq)? Assume the temperature is 25 degrees celsius, where Kw = 1.0 x 10^-14 at 25 degrees celsius.

195. ## Life orientation

In 10-15 lines critically discuss 5 ways in which the human or enviromental problem impact on the community,provide relavant sources to support your claims.

196. ## physics

inserting a resistor in series with a combination of two or more resistors in parallel will ___ the voltage across the parallel circuit

197. ## Chemistry

What is the definition of Combined Gas Law? I can't find it in my book anywhere.

198. ## riddles

what do you call twin boys?

199. ## English/Grammar

Write several sentences describing a recent interaction with a friend or family member about personal finance or credit cards. Use at least five different pronouns in your sentences. Identify ALL pronouns by parenthesizing them. (I) recently had a talk

200. ## Life Orientation

Discuss 5 ways in which the human or environmental problem xenophobia impacts on the community.

201. ## Chemistry

What is the definition of Gay-Lussac's law?

202. ## math

9 divided by 1/6=??? I tried but I just couldn't get it!

203. ## phys

Find the acceleration due to gravity on a planet whose mass is four times the mass of Earth and whose radius is half the radius of Earth (g is the acceleration due to gravity on Earth).

204. ## math

24 divided by 4/5=??? I tried but i just could not get it.

205. ## home economics

Gear strategy has managed to improve the livelihood of the poor in south africa

206. ## science

how do hurricanes form?

207. ## algebra

during pratice a softball pitcher throws a ball whose height can be modeled by the equation h=-16tsquared+24t+1 where h=height in feet and t=time in seconds. how lond does it take for the ball to reach a height of 6 feet?

208. ## geometry

How do you go about drawing a 1/4 mile running track?

209. ## Physics

An astronaut takes a space trip to newly discovered palnet X. measurements from earth indicate that: Mx=3Me and Rx=2Re. What is the acceleration of gracity gx on this planet as a multiple of ge?

210. ## math

factor the following trinomail w^18-9w^9y^5+14y^10