1. Comp 155

Use at least five adverbs and five adjectives to write a brief review of a movie, sporting envent, musical performance, or television show. Bold each adverb. Underline each adjective. This is what I wrote but not sure if I have all the adverbs and

2. physics

) A batter hits a baseball so that it leaves the bat at speed Vo = 37.0m/s at an angle ao = 53.1°, at a location where g = 9.80 m/S2. (a) Find the position of the ball, and the magnitude and direction of its velocity, at t = 2.00 s. (b) Find the time when

3. chemistry

Calculate the solubility of AgCl in: Ksp = 1.6x10^-10 a) 100 ml of 4.00 x 10^-3 M Calcium chloride b) 100 ml of 4.00 x 10^-3 M Calcium Nitrate all i know is 1.6x10^-10=[Ag+][Cl-] which is 1.6x10^-10=x^2 x=1.3x10^-5, giving the M of Ag and Cl. Don't know

4. physics

A tennis player places a 55 kg ball machine on a frictionless surface. The machine fires a 0.065 kg tennis ball horizontally with a velocity of 55 m/s toward the north. What is the final velocity of the machine? Enter your answer here: m/s

5. Chemistry

You wish to know the enthalpy change for the formation of liquid PCl3 from the elements shown below. P4(s) + 6 Cl2(g)--> 4 PCl3(l) ΔH°f = ? The enthalpy change for the formation of PCl5 from the elements can be determined experimentally, as can the

6. Chemistry

OF2(g) + H2O(g) -> O2(g) +2HF(g) ΔH°rxn = -318 kJ Using bond energies, calculate the bond dissociation energy of the O-F bond, in OF2. This is the question and I got 438 as the answer, which is wrong. I don't know what I did wrong??

7. math

A couple purchasing a home budget \$1700 per month for their loan payment. If they have \$15,000 available for a down payment and are considering a 25-year loan, how much can they spend on the home at each of the following rates? (Round your answers to the

9. chemestry grd 11

A typical soap molecule consists of a polyatomic anion associated with a cation. The polyatomic anion containd hydrogen, carbon & oxygen. One particular soap molecule has 18 carbon atoms. it contains 70.5% carbon, 11.5% hydrogen, and 10.4% oxygen by mass.

10. science

Calculate the solubility of silver chloride in 10.0 M ammonia given the following information: Ksp (AgCl) = 1.6 x 10^–10 Ag+ + NH3--->AgNH3+ K=2.1x10^3 AgNH3+ + NH3-----> Ag(NH3)2+ K=8.2x10^3 Answer : 0.48 M Calculate the concentration of NH3 in the

11. Chemistry

The half-life of phosphorus-32 is 14.26 days. The decay constant is k=4.86×10−2/days. If you accidentally spill phosphorus-32 onto your shoe, how long would it take before 99.9% of the radioactive material has decayed so that you can safely wear the

12. physics 152

The force exerted by the wind on the sails of a sailboat is 500 N north. The water exerts a force of 150 N east. If the boat (including its crew) has a mass of 290 kg, what are the magnitude and direction of its acceleration?

13. Chemistry

The cloth shroud from around a mummy is found to have a carbon-14 activity of 8.1 disintegrations per minute per gram of carbon as compared with living organisms that undergo 15.2 disintegrations per minute per gram of carbon. From the half-life for

14. physics hw

A 300. kg roller coaster car is traveling at a constant speed of 15 m/s over a hill with a radius of curvature of 30. m. b. What is the normal force acting on the car at the top of the hill? c. Assume that the car is at the intersection of the radius and

15. Comm 155

I have to write a paragraph in which I describe my strategy for using writepoint in the future. This must include a discussion of how to accommodate submission and feedback time. I also need to underline the topic sentence. Could you please look at my

16. lenguage art

howw would you define the speaker's love for annabel lee ?would you want to feel or be the object of such a love ? explain why or why not.

17. Chemistry

OF2(g) + H2O(g) -> O2(g) +2HF(g) ΔH°rxn = -318 kJ Using bond energies, calculate the bond dissociation energy of the O-F bond, in OF2. This is the question and I got 438 as the answer, which is wrong. I don't know what I did wrong??

18. physics

he question is: A spherical capacitor contains a solid spherical conductor of radius 0.5mm with a charge of 7.4 micro coulombs, surrounded by a dielectric material with er = 1.8 out to a radius of 1.2mm, then an outer spherical non-conducting shell, with

19. math

a 20 foot ladder leaning against a building makes and angle of 60 degrees with the ground. How far from the base of the building is the foot of the ladder?

20. math

The problem describes a debt to be amortized. A man buys a house for \$350,000. He makes a \$150,000 down payment and amortizes the rest of the debt with semiannual payments over the next 12 years. The interest rate on the debt is 11%, compounded

21. calculus

Express as a single logarithm ln(a)+1/2ln(b) 2ln4-ln2

22. Trigonometry:Angles of Elevation and Depression

Due to a storm, a pilot flying at an altitude of 528 feet has to land early. If he has a horizontal distance of 2000 feet to land, at what angle of depression should he land? Please show your work. Thanks in advance.

23. physics

you see lightning and then count 4 seconds till you hear the thunder. From this you conclude that the lightning strike occurred_______ a. 1400m away b. 700m away c. none of the above Can you please show me how to figure out how to get the answer?

24. physics

at the instant shown, the 50 lb bar rotates clockwise 2 rad/s. The spring attached to its end always remains vertical due to the roller guide at C. If the spring has an unstretched length of 2 ft and a stiffness of k=6lb/ft, determine the angular velovity

25. math

A recent graduate's student loans total \$13,000. If these loans are at 4.1%, compounded quarterly, for 9 years, what are the quarterly payments

26. physics

Two charges are separated by a distance d = 5 m. The charge q1 has a charge of q1= 7.0 µC (microcoulombs) and q2 has a charge of q2= 6.8 µC. What is the force between the charges?

27. physics

A train is moving with a speed of 50 miles per hour. A man standing in the rear of a train car throws a ball toward the front of the train with a speed of 10 miles per hour. If a stationary observer outside the train sees this happen, what speed is the

28. ugh math

A homeowner planning a kitchen remodeling can afford a \$200 monthly payment. How much can the homeowner borrow for 3 years at 5%, compounded monthly, and still stay within the budget?

29. finance

The Meredith Corporation issued \$100 par value preferred stock 10 years ago. The stock provided an 8 percent yield at the time of issue. The preferred stock is now selling for \$75.

30. Chemistry - oxidation numbers

How do you use a Lewis Structure to find the oxidation state of an element. I have this question using the oxidation rule i got +2, however how do i use it with Lewis structure. QUESTION Use the Lewis structure of a thiosulfate ion to find the oxidation

31. math

If molly tosses a coin and rolls a number cube, what is the probability of the coin landing heads up and the number cube stopping with a 6 on top?

32. physics

A particular guitar string is supposed to vibrate at 192 Hz, but it is measured to actually vibrate at 212 Hz. By what percent should the tension in the string be changed to get the frequency to the correct value?

33. chemistry (college final)

How to determine which of the compounds will have the lowest boiling point vs the highest boiling point?

34. Engineering

A 50 lb bar rotates clockwise 2 rad/s. The spring attached to its end always remains vertical due to the roller guide at C. If the spring has an unstretched length of 2 ft and a stiffness of k=6lb/ft, determine the angular velovity of the bar the instant

35. physics

The period of a simple pendulum is measured to be 4.0 seconds in a frame of reference. Which of the following is correct when the period of the pendulum is measured by an observer moving with half the speed of the light? Choose one answer. a. The time

36. math

Suppose a state lottery prize of \$2 million is to be paid in 20 payments of \$100,000 each at the end of each of the next 20 years. If money is worth 9%, compounded annually, what is the present value of the prize?

37. WORD PROBLEMS WITH EQUATIONS

Mark has 28 10-cent and 20-cent pieces. How many of each coin does he have if their total value is \$4.30? In a class of 26 students, there are four more than girls. How many boys are there?

38. spanish

I am hoping that someone who is good at and likes Spanish grammar can check over my "if-then" (subjunctive-conditional) clauses in present and past. I really want to learn this right--I hope I am starting to catch on but need it checked! Hubo una

39. math

A debt of \$6000 is to be amortized with 8 equal semiannual payments. If the interest rate is 5%, compounded semiannually, what is the size of each payment? (Round your answer to the nearest cent.)

40. math

The disney Golf classic starts with 64 golfers. the golfes form pairs and each pair plays amtch. the losers drop out nad the winners of each pair then form new pairs and play again. Then those winners form pairs and play. this continues until there is one

41. Math

A rectangle park measures 300 ft by 400 ft. A sidewalk runs diagonally from one corner to the opposite corner. Find the length of the sidewalk.

42. math

a bootlenose dolphin jumps out of the water. the path the dolphin travels can be modeled by h=-0.2d^2+2d, where h represents the height of the dolphin in feet and d represents the horizontal distance. What is the maximum height the dolphin can jump?

asked by bob HELP NEEDED HELP NEEDED HELP NEEDED
43. physics

The velocity of waves on a string is 97 m/s. If the frequency of standing waves is 476 Hz, how far apart are two adjacent nodes?

44. Chemistry

How many grams of NaCl would be required to make a 24% NaCl solution if 250 ml of water were used

45. Chemistry

4 NH3(g) + 5 O2(g) 4 NO(g) + 6 H2O(g) If standard enthalpy change is -906.2 kJ, what quantity of heat is evolved or absorbed in the formation of 17.0 g of NH3?

46. History

The revolt in Hungary (1956), the demonstrations in Czechoslovakia(1968), and the formation of Solidarity in Poland (1980's) are similar in that they

Many posts of rival companies were placed next to eachother because that way it was easier for the individuals to purchase the goods and the prices of the goods would be competitive as well. Good deals would be offered from both posts.

48. physics

(c) Tube (c) is again filled with water. A1 and A2 are the same as in part (b). Two pistons apply different forces to the water in the tube so that the water in the right side of the tube is a height h = 0.43m above the height of the water in the left side

49. physics

A tennis player places a 55 kg ball machine on a frictionless surface. The machine fires a 0.065 kg tennis ball horizontally with a velocity of 55 m/s toward the north. What is the final velocity of the machine? Enter your answer here: m/s

50. Algebra

Each year the value of a car decreases by 25% of its value the previous year. After 5 years, what is the value of a car originally worth \$17,500? Express answer to the nearest dollar.

51. math

An airplane is 34 ground miles from the end of the runway and 6 miles high when it begins its approach to the airport. To the nearest mile,what is the distance from the airplane to the end of the runway?

52. math

equation of the given line in standard form. The line with m = -3/4 and b = -2

53. general islamic

Hello, I have a question for the question to solve, hope your company can help .... A wife has been carrying out fasakh the in shariah court. Then she was moved out of the house. Her husband, work as an employee of the practice of Islam does not agree with

54. Log Algebra

Find the inverse of the function y=log8 x

55. Chemistry

How many liters of 12.3 molar NaOH stock solution will be needed to make 12.4 liters of a 1.2 molar NaOH solution?

56. MAth

14 students in an Algebra class were asked to shake hands with each other. Each student shook hands with each of the other students exactly once. How many handshakes occured in this class?

57. Chemistry

3Ca(NO3)2(aq)+2Na3PO4(aq)->Ca3(PO4)2(s)+6NaNO3(aq) (a) the grams of Ca3(PO4)2 that can be obtained from 126 mL of 0.750 M Ca(NO3)2 (b) the volume of 0.10 M Na3PO4 needed to react with 13 mL of 0.30 M Ca3(NO3)2 (c) the molarity (M) of the Ca(NO3)2 solution

58. calculus

a dvision of sellier industries manufacturers the perfect model cellular phone. the daily cost (in dollars) of producing these cellular phones is C(x) = 0.0002x^3-0.06x^2+120x+5000 where x stands for the number of units produced what is the actual cost

59. Math

You deposit \$800 in an account that pays 5.5% annual interest compunded continuously. Find the balance at the end of 5 years. Am i correct in using this formula? A=pe^(rt)

60. Physics - light

1. Blue light and yellow light combine to produce white light because they constructively interfere. Explain why 2. You shine yellow light on an object and it appears black. What color might the object be if illuminated by red light? Justify your response.

61. ELA(PRACTICE)

CAN YOU GIVE ME SOME SITES THAT WOULD GIVE ME SOME PRACTICE FOR ELA

62. MGT 330

A worker in an automobile assembly line who chooses this type of work because of the job security it entails is said to be

63. Algebra

How do you find the inverse of functions? for example how would you find the inverse of y= log8 x

64. Chemistry

Three 75.0-g samples of copper, silver, and gold are available. Each of these samples is intially at 24.0 degrees C, and 2.00 kJ of heat is applied to each sample. Which sample will end up at the highest temperature?

65. Physical science

A) a 100 gram ice cube is at -10 degrees celcius. how many calories needed to raise it to 0 degrees C.? B) once its at 0 degrees, how many more calories are needed to melt it? C) once melted, how many are needed to raise it to 100 degrees C.? need answers

66. math math :(

A couple finances a house valued at \$125,000. They make a \$20,000 down payment and finance the remainder for 30 years at 6.8%. Taxes on the property are estimated to be \$621 per year. Insurance on the property is projected to cost \$685 per year. The

67. English

I just wanted to know if the following alternatives are possible. Thank you. 1) An actor plays the part of a character in a film or play/in a film or in a play/ in films or plays. 2) A director supervises and controls a film, play, or TV program/ a film, a

68. physics

2. A child throws his yoyo horizontally about his head rather than using it properly. The yoyo has a mass of 0.200 kg and is attached to a string 0.800 meters long. a. If the yoyo makes a complete revolution each second, what tension must exist in the

69. Chem 100

at 1 atm how much energy is required to heat 67 grams of H2O(s) at -22 degrees C to H2O(g) at 159 degrees C

70. math

a bootlenose dolphin jumps out of the water. the path the dolphin travels can be modeled by h=-0.2d^2+2d, where h represents the height of the dolphin in feet and d represents the horizontal distance. a) assume that all energy is conserved. what is the

asked by bob HELP NEEDED HELP NEEDED HELP NEEDED
71. chemistry

I don;t understand this question. NaOH(aq)+H3PO4(aq)¨Na3PO4(pq)+H2O(l)

72. physics

Choose the correct description for each "Law" of Electricity & Magnetism. The choices are faradays law lenz law ampere law are my choices correct Gives the amount of current resulting from a changing magnetic field.AMPERE LAW Gives the strength of the

73. math

a bootlenose dolphin jumps out of the water. the path the dolphin travels can be modeled by h=-0.2d^2+2d, where h represents the height of the dolphin in feet and d represents the horizontal distance. What is the maximum height the dolphin can jump?

74. Chemstry

How many moles of NaCL are contained in .2570 L of a 37.5 mM Solution of NaCl?

75. Math

The number 4641 can be expressed as the product of two 2-digit whole numbers. What is the sum of these two numbers?

76. finite math

A \$1.2 million state lottery pays \$5,000 at the beginning of each month for 20 years. How much money must the state actually have in hand to set up the payments for this prize if money is worth 7.7%, compounded monthly? (a) Decide whether the problem

77. chemistry

in the reaction between sodium and water, hydrogen gas is given off and sodium hydroxide is formed. The gas is collected and there is found to be 1.8 moles of hydrogen. a) what mass of sodium would have been used in the reaction?

78. WORD PROBLEMS W/ EQUATIONS

Mr. Badger bought 12 pens every month until their price rose to 15 cents each. Now he can only afford to buy 10 pens at the same total cost as before. What was the original price of each pen? There are 41 pigs and chickens on a farm. If there are 100 legs

79. Chemistry

Use standard heats of formation in Appendix L to calculate standard enthalpy changes for the following reactions. 1.45 x 10-2 mol of carbon is oxidized to CO2(g) Please help me!

80. helllpppp english romeo and juliet

what do they mean? could you please change into a modern language? ROM: If I profane with my unworthiest hand This holy shrine, the gentle fine is this: My lips, two blushing pilgrims, ready stand(100) To smooth that rough touch with a tender kiss. JUL:

81. Math

The moon has a surface area of approximately 14,650,000 mi squared. Estimate its radius to the nearest mile.

82. College Chemistry

I think this should be easy but im stuck. Please help: Suppose a compound could point in any of two directions in the solid and still have the same energy. How many molecules would there be if the total entropy of a solid sample of this compound was

83. physics

You are driving your race car around a circular test track. Which would have a greater effect on the magnitude of your acceleration, doubling your speed or moving to a track with half the radius? Why

84. math so confusing plz help

couple finances a house valued at \$150,000. They make a \$10,000 down payment and finance the remainder for 30 years at 6.8%. Taxes on the property are estimated to be \$621 per year. Insurance on the property is projected to cost \$685 per year. The monthly

85. chemestry grd 11

indigo C16H10N2O2 (numbers are suppose to b as a subscript) is the common name of the dye that gives blue jeans their characteristic colour. Calculate the mass of oxygenin 25.0g og indigo. show your work.

86. english

Can you please check my work. Adjectives, adverbs ad comparisons. Use 5 adverbs and 5 adjectives to write a review. Compare an event to the subject of review and use 3 comparisons and superlatives. How did I do? I try to keep myself busy and not set around

87. Chemistry

Two isomers have the same formula but different structures: Co(H2O)5SCN, CO(H2O)5NCS. The 5's mean 5-H20's. Draw each of these structures and explain the difference between the two? I don't even know where to begin. I appreciate any kind of help at this

88. Social

Is it in the interest of high-income countries to promote the development of poor countries? Why or why not?

89. calculus

Find the points of inflection. f(x) = e^(-x^2) I need to know step by step how you would get the points of inflection.

90. Science

Can someone please explain what Newtons 3 laws mean? i don't understand the text book definition.

91. math

So I think I have got these down I just really want to double check the answers to these two word questions. Thanks How long will it take for \$9500 to grow to \$36,300 at an interest rate of 12.4% if the interest is compounded continuously? Round the number

92. physics

A metal emits photoelectrons when yellow light is made to fall on it. Which of the following is correct when the metal is irradiated by a violet light? Choose one answer. a. The speed of electrons would increase. b. The speed of electrons would decrease.

93. math

A used piece of rental equipment has 3½ years of useful life remaining. When rented, the equipment brings in \$300 per month (paid at the beginning of the month). If the equipment is sold now and money is worth 5%, compounded monthly, what must the selling

asked by wrangled mind on this one :(
94. math

2gal/1*4qt/1gal*2pt/1qt= ? would that be 16pt

95. english

I am having trouble understanding this. From the winter of 1821, . . . I had what might truly be called an object in life; to be a reformer of the world. My conception of my own happiness was entirely identified with this object. The personal sympathies I

96. Math/Statistics

A simple dartboard has three areas…the main board has a radius of 8 inches, there is a circle with a radius of 6 inches, and the bullseye has a radius of 4 inches. What is the probability of a random dart landing inside the bullseye?

97. seeing is believing

Describe one experience where you were deceived by what you saw. Describe one experience where you chose not to believe what you had seen.

98. math

How many ways can a committee of 4 people be selected from a group of 10 people?

99. Math

Find the vertices, center, asymptotes, and foci of the ellipse and sketch its graph: 9x^2-4y^2-18x+8y+41=0

100. calculus

let R be the region bounded by the x-axis, the graph of y=sqrt(x+1), and the line x=3. Find the area of the region R

101. trig

the terminal side of angle theta in standard position lies on the line that travels through point (9,1), find sin of theta, cos of theta, tan of theta. (give exact values)

102. calculus

Find the area of the region bounded by the graphs of the algebraic functions: f(y)=y^2+12 g(y)=0 y=-12 y=13

103. English

Thank you veru much. I have a few more doubts. 1) While my family went out, I called a friend. (I think went out is wrong) 2) They expect the weather will be warm They expect the weather to be warm 3) They raise money for (not to) a charity. Can "while" be

104. math

Mr. Cook wants to fence his rectangular garden which covers 100 ft squared. The width of the garden is 7 and 1/2 ft. What is the length of the garden? How much fencing will Mr. Cook need?

105. Science

You are riding a sled across frictionless ice. It has been given an initial push and is now traveling at a constant velocity, in a straight line. Snow is falling vertically (as seen by a person standing still on the ice), and the snow is accumulating on

106. MTH/208

East Battle Lake in Minnesota covers an area of about 1950 acres or 8.5X10^7 square feet and its average depth is about 3.2x10^1 feet. a. Estimate the cubic feet of water in the lake. (hint: Volume=area x average depth.) b. One cubic foot of water equals

107. English

I last doubt on the same sentence. I just want to summarize the use of "leave". We are leaving Turin at ... We are leaving for Malpensa Airport at .... The verb "to leave" can be followed by "from", "for" or the place. Is it OK?

108. English

The Call of the Wild by Jack London "He was preeminently cunning, and could bide his time with a patience that was nothing less than primitive." Can someone give me an explanation? I don't understand the quote.

109. math

6x7=8x9-(6+7+8+9) 7x8=9x10-(7+8+9+10)

Sorry to repost this, again, but I still don't understand. Newton’s Law of Gravity specifies the magnitude of the interaction force between two point masses, m1 and m2, separated by the distance r as F(r) = Gm1m2/r^2. The gravitational constant G can be

111. Hard Algebra

Expand the expression ln 2y/x How does a person go about expanding that thing?

112. Algebra 2

Is it me or does this problem not make sense? (you can't solve it) 5. Solve for x in the following system: 6x + 6y = -2 y = -x I also need help in these: 38. We can take the product AB only if the number of columns of A equals the number of rows of B.

113. Physics

A gatling gun fires at a rate of 2000 rounds per minute. If the bullets travel at a speed of 800m/s, how far apart are the bullets?

Sorry to repost this, again, but I still don't understand. Newton’s Law of Gravity specifies the magnitude of the interaction force between two point masses, m1 and m2, separated by the distance r as F(r) = Gm1m2/r^2. The gravitational constant G can be

3.5 X 10 ________ 7 x 10^-9

116. math

The temperature at 1:00 p.m. was 88 degrees farenheight. This was 12degrees warmer then at 8:00 a.m. Earlier on the same day, the temperature fell 7 degrees farenheight from midnight to 4:00 a.m. Then it rose 6 degrees farenheight from 4:00 a.m. to 8:00

117. math

A couple finances a house valued at \$150,000. The monthly principal and interest payment has been determined to be \$641.85. Taxes on the property are estimated to be \$578 per year. Insurance on the property is projected to cost \$720 per year. The monthly

118. math

Given the quadratic function f(x) = 16x2 – 64x + 64, find a value of x such that f(x) = 16.

119. calculus

Use an appropriate local linear approximation to estimate the value of cotangent 44 degrees.

120. English

I have an urgent question: I have to mention only the countries two tourists went through. I want to be sure that they are countries 1) Europe (is a continent not a country, so I don't include it) 2) Ukraine 3) Kazakhstan 4) Mongolia 5) Russia 6) Bering

121. Physics

A capacitor has two overlapping plates of width 4.9 m and length 3.5 m separated by 1.3 cm. A dielectric of dielectric constant ê = 58.0 fills the space between the plates. If this capacitor is connected to a 35 V battery, how much energy is stored in the

122. math

Completely factor the expression 20x2 – 45y2

123. Math

A cellular phone company offers a contract for which the cost C, in dollars, of t minutes of telephoning is given by C=0.25(t-500)+ 56.95, where it is assumed that t is greater than or equal to 500 minutes. What times will keep cost between \$92.20 and

124. algebra

A 10-ft diagonal brace on a bridge connects a support of the center of the bridge to a side support on the bridge. The horizontal distance that it spans is 2 ft longer that the height that it reaches on the side of the bridge. Find the horizontal and

125. Program planning and evaluation

Please respond to the following questions either by writing the design name or by describing the design using standard notation (X = program, O=observation, R= random assignment). For each design, please discuss all threats to internal validity. 1. a.

126. physics

Which of the following is true for the transition of electrons from a higher energy to a lower energy state? Choose one answer. a. The greater the energy difference between the levels, the more is the wavelength of the photons emitted. b. The greater the

127. math

Deifferentiate: y=e^-3x+2 would the answer be -3e^-3x+2 or 3e^-3x+2

128. physics ---- really dnt get this at all

Marks: 3 If the velocity of the particle is reduced by a factor of two, by what factor does the de Broglie wavelength change? Choose one answer. a. 2 b. 4 c. 1/2 d.1/4

129. Math

99 employees in a factory earn a salary of \$28,000 per year, while the CEO makes \$766,000 annually. What are the mean and median salaries for all 100 people? Is the mean or the median the more appropriate measure of "center" in this case? Explain. I have

130. physics

A metallic surface emits photo electrons when green light falls on it. But the metal does not emit when yellow light falls on it. Which of the following is correct when red light falls on the metallic surface? Choose one answer. a. The number of

131. physics

Which of the following is correct when the intensity of the light source is increased? Choose one answer. a. The number of photons emitted by the light source in unit time increases. b. The total energy of the photons emitted per unit time decreases. c.

132. chemistry

The sodium and hydroxide atoms separate into ions and the positive sodium ions are attracted to the oxygen atoms and the hydroxides are attracted to positive charged part of water, the hydrogen making another molecule.

133. chem

indigo C16H10N2O2 (numbers are suppose to b as a subscript) is the common name of the dye that gives blue jeans their characteristic colour. Calculate the mass of oxygenin 25.0g og indigo. show your work.

134. Chemistry

How many moles of SiO2 will contain 48 g of oxygen?

135. To SraJMcGin

I'd like to thank you with all my heart for giving me notes on the Prepositions/countries/cities. Thanks a lot. It really helped me =) P.S I had a substitute for French, so she gave us this exercise to do, and I am having a hard time understanding what to

136. English

I wrote 5 phrases and several alternatives. Can you please check tif they are grammatical? Thank you. I urgently need them. I include 2/3 phrases each time. Thank you 1) While I was getting ready for school it started to rain, my mum cooked brakfast, my

137. MATH

A student of MA101 is preparing a course schedule for the next semester. The student may select one of three mathematics courses, one of three science courses, and one of five courses from social sciences. How many schedules are possible? Please can you

138. Math/Statistics

If the odds of winning a raffle are 13:225, what is the probability of winning?

139. phi 103

All sages provide both wisdom and inspiration. Since Dasha’s speech contained wisdom and greatly inspired her audience, Dasha is a sage. Which one of the following points out the flaw in the argument above?

140. physics

A beam of red laser light (λ = 633 nm) hits a black wall and is fully absorbed. If this exerts a total force F = 5.9 nN on the wall, how many photons per second are hitting the wall?

141. calculus

Express as a single logarithm ln(a)+1/2ln(b) 2ln4-ln2

142. physics

An electron (m0 = 9.11 10-31 kg) enters a uniform magnetic field B = 1.7 T, and moves perpendicular to the field lines with a speed v = 0.93c. What is the radius of curvature of its path?

143. math

Biologists want to set up a station to test alligators in the lake for West Nile Virus. Suppose that the costs for such a station are \$3,000 for setup costs and \$4.00 to administer each test. a. Write an expression that gives the cost(C) to test animals.

144. math

equation of the given line in standard form. The line with m = -3/4 and b = -2

145. chemistry

theoretical yield of NaCl using 0.016 mols HCl with HCl + NaOH - NaCl + H2O as the equation for the reaction

146. geometry

how do I find the measurement of the hypotenuse side of a triangle when the other side measurements are 5 and 12

147. physics

find the height of an image formed in a concave mirror with a 4.0cm focal length if the height of the objact is 2.5cm and it is 1.6 cm from the mirror.

148. Statistics

What can i say about power for each factor in a two way ANOVA? Is there a way to find power in SPSS?

149. managerial finance

Bunyan Lumber, LLC, harvests timber and delivers logs to timber mills for sale. The company was founded 70 years ago by Pete Bunyan. The current CEO is Paula Bunyan, the granddaughter of the founder. The company is currently evaluating a 7,500 acre forest

150. Statistics

What can i say about power for each factor in a two way ANOVA? Is there a way to find power in SPSS?

151. math

Time-share sales provide an opportunity for vacationers to own a resort condo for 1 week (or more) each year forever. The owners may use their week at their own condo or trade the week and vacation elsewhere. Timeshare vacation sales usually require

152. Physical science

how many calories to change 100 grams of water at 100 degrees C. to 100 grams of steam at 100 degrees C.?

153. Physics Urgent!!!!!

Sorry to repost this, again, but I still don't understand. Newton’s Law of Gravity specifies the magnitude of the interaction force between two point masses, m1 and m2, separated by the distance r as F(r) = Gm1m2/r^2. The gravitational constant G can be

154. English

I left out a few last things. Thank you. They want to travel with a quite warm weather. It can also be raining/rainy (which is correct?) They'll need a back-up team in case they get ill or their motorbikes break down. Their trip will finish in the USA, to

155. programming logic and design

whats is the output for each psuedocode sedment? 2. d=4 e=6 f=7 while d>f d=d+1 e=e -1 endwhile output d, e, f 3. g=4 h=6 while g

156. Chemistry

How to determine the energy in J calories and K to convert one pound of ice to steam

157. chemistry

Need to do a lab of finding the density of the Molarity of 1M NaCl without having any equipments..How best to do so..A procedure would be appreciated

158. history

how did the new deal benefit tennessee

159. oral presentation

how do you do a five minute oral presentation for a year 6 about bella vista farm Please Help I don't know what to do

160. Math And Physics

Law of Gravitation- Find an expression for the magnitude of the initial velocity that a projectile must possess in order to leave the earth when air friction is neglected. The gravitational constant for g is, G = 6.67428*10^-11 m^3 Kg^-1 s^-2 Please answer

161. Math

How do I help my little brother with negative numbers? He doesn't understand when it is positive and when it is negative.

Please help me with these factorise algebra questions!!! 1. 9c squared + 30c + 25 - 4d squared 2. 12 + 89 - 4a squared 3. -5x squared + 27x - 10 4. If A= 15x squared - 20x +11 and B= 1 + 9x+ 5x squared, then A-B when factorised is...

163. English

Need to find the predicate Adjective. 1. The valley in Johstown Pennsylvania was very deep. PA=deep 2. The hills around Johstown were high. PA=high 3. The lake above Johnstown seemed unusally full. PA=full 4. The concrete dam appeared weak. PA= weak 5.

164. Calculus

How would you solve this differential equation? dy/dx=1/2x+y-1

165. Ethics

what measurements do sociologists utilize to calculate prejudice

166. physics

Which of the following is correct according to Rutherford's atom model? Choose one answer. a. Atomic spectra should be line spectra. b. Electrons do not radiate while revolving in an orbit. c. Atomic spectra should be continuous spectra. d. Electrons are

167. Math

99 employees in a factory earn a salary of \$28,000 per year, while the CEO makes \$766,000 annually. What are the mean and median salaries for all 100 people? Is the mean or the median the more appropriate measure of "center" in this case? Explain. I have

168. physics

Marks: 1 In which of the following cases is the wavelength of the emitted radiation greatest? Choose one answer. a. Electron jumps from third orbit to second orbit. b. Electron jumps from third orbit to first orbit. c. Electron jumps from fourth orbit to

169. physics

Which of the following summarizes Rutherford's model of the atom? Choose one answer. a. Electrons are embedded in a positive region of spherical dimension. b. Electrons revolve around the nucleus without emitting radiation. c. Electrons revolve around the

170. trig

how do you solve 2nd cos 6/11 (my calculator doesn't have 2nd function0

171. crime

Since 1991, trends seem to indicate improvement with factors involving teenagers in the United States which could translate into a reduction in juvenile crime. Provide an explanation of at least three factors that would support this belief or provide an

172. Social studies

when the french revolution starts

173. Math

1) evaluate integral of xe^3x dx 2) evaluate integral form 1 to 0 of 4e^2x dx I just need help finding the anitderivative. Would it be 2e^2x?

174. chemistry

Calculate the mass of 1mL of each liquid, by calculating the mass of 1mL of liquid from each 20mL amount that was added, then taking the average.

175. calculus

find the vertex,focus, direction of the parabola. use a graphing utility to graphthe parabola: 1) x^2-2x+8y+9=0 2) y^2-4y-4y=0 3) x=1/4(y^2+2y+33) 4)(x+1/2)^2=4(y-1) 5) y= 1/4(x^2-2x+5)

176. Math

I don't fully understand factorization in algebra. I've got a problem: 9x-27x^3. Can you please help me?

177. math

malcolm ran 0.25 miles in 2 minutes.how many feet did he run

178. Algebra

determine whether the given numbers are solutions of the inequality. 6,-14,-18,-2 Y-8>2y-3 solutions are -14 -18 -2 not solution 6 Is this right?

179. Algebra

6x^2-7x+18 (^ means squared)

180. chemistry

In deciding which has more entropy, would it be correct to say s

181. Calculus 3

The ceiling of a building has a height above the floor given by z = 20 + 1 4 x, and one of the walls follows a path modeled by y = x3/2. Find the surface area of the wall if 0 ≤ x ≤ 40. (All measurements are in feet. Round your answer to two decimal

182. English

I forgot to include a few last sentences. When reporting the following sentences: 1) "Have you done your homework yet" should I use already in reported speech? She asked me if I had already done my homework/or had done my homework yet. 2)"She arrived last

183. Math

1) evaluate: integral of (3x^2 + 5x - 1 + 3/x) dx x^3/3 + x^2/5 - x Is this correct? 2) evaluate: integral of (5e^7x + srqtx) dx I am not sure with this. Could you please explain. Thank you for you help!

184. science

1. list and describe two ways to convert mechanical energy to thermal energy 2. explain what the plateau on a typical warming or cooling graph indicates (as in, what does it mean?)

185. Algebra II

1) find n of the arithmetic sequence A1 = -5, An = 63, d = 2 2) Find the common ratio in the geometric sequence:7, -28, 112 ... 3) the vertex of the graph of y = -99(x-7)^2 - 2 is a minimum value ? a) True b) False 4) There is a solution to y = 7 and x^2 =

186. Chemistry

A 16.6 mL portion of an HBr solution of unknown strength is diluted to exactly 247 mL. If 102.1 mL of this diluted solution requires 87.8 mL of 0.37 M NaOH to achieve complete neutralization, what was the strength of the original HBr solution?

187. Physics

You are standing on the beach and you notice 4 waves travel over your feet in 8 seconds. Your friend is 4 meteres from you in the water and you count 3 waves between you. How fast do the waves travel on the water?

188. Math/Statistics

Of 29 college juniors at State University, 13 preferred pepperoni pizza, 11 preferred supreme, and 5 preferred cheese. If we picked a college junior at State University at random, what is the probability that he or she would prefer cheese?

189. algbera

In solving the equation (x + 3)(x + 1) = 48, Eric stated that the solution would be x + 3 = 48 => x = 45 or (x + 1) = 48 => x = 47 However, at least one of these solutions fails to work when substituted back into the original equation. Why is that? Please

190. English

In the Kite Runner, why is the story about the sultans included? What is that story about?

191. COM/155

When writing a paragraph, it is important that the topic sentence and supporting points within that paragraph be directly related. What would be the reaction of a reader if the topic sentences in an essay did not coincide with the supporting points?

192. chemistry

How would a titration be used to determine the concentration of lead ions that may be present in the water supply of an old house that still has lead pipes?

193. history

what was the result of the elizbeth strikes?

194. physics

what is the focal length of a convex lens that forms a magnification of 0.80 if an object is 24.0cm behind the lens?

195. algbera

Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this. 2x + 10y = 58 -14x + 8y = 140

196. science

1) Science is the ______ of temperature 2) a ________ is used to measure temperature. 3) ice is ____ dense than water 4) adding heat to a ________ increases the the motion of molecules

197. aglbera

Rewrite with positive exponents. Assume that even roots are of nonnegative quantities and that all denominators are nonzero.(6xy/y)^2 Express in terms of i. 2ã-36

198. math

A couple finances a house valued at \$150,000. The monthly principal and interest payment has been determined to be \$599.32. Taxes on the property are estimated to be \$621 per year. Insurance on the property is projected to cost \$685 per year. The monthly

199. Computer Language Java

What is the concept of multi-threading in java and how is it similar and different than GUI?

200. social civics

what is the purpose of a franchise agreement for public utility and how public utilities are regulated

201. history

what did herbert hoover think of the great depression

202. physics

Electric power is found by multiplying ___ by current. Is voltage or potential difference a better choice to use?

203. sociology

How a person respond to this type of statement? I am not sure how I would respond to this statement. Do you have any suggestions to how one might respond? Is this true or a false statement? (I think it might be a true statement) We all hold different

204. Algebra

Solve the linear equation: -10.8x + 1.4 = -47.6 - 1.0x If you could do step-by-step so I may learn this it would be appreciated. Thank you!

205. English-Native speakers

Ok one maybe weird question. If Susie is married to Bruce now and they have a son whose name is Edward, what is Edward to Susie's ex-husband Robert(with whom she has 2 children)? Robert is Edward's what?

206. HELP!!!! (Math)

WORD PROBLEMS WITH EQUATIONS -Harry and Nicky share \$120 but Nicky takes \$58 more than Harry. How much does each person have? -When Katy was 12, her father was three times her age. Now he is twice her age. How old is Katy now? -a rectangle is 4cm longer

207. spanish

i cant remember how to congegate a verb...

208. Life orientation

Types of community organisations that are involved in supporting or giving redress to inviromental problems

209. Physics

What is the acceleration of a proton moving with a speed of 4.3 m/s at right angles to a magnetic field of 2.1 T?

210. Science

How do you make an egg drop without it breaking?

solve the following for x. 1)e^x^2-x=e^2 x^2-x = 2 I am not sure what to do now 2) e^-5x * e^4 = e -5x + 4 = 1 x= 3/5 3) Suppose that the price p (in dollars) and the demand in x(thousands) of a commodity satisfy the demand equation 6p + x + xp =94. How

212. SCIENCE HELPP

You are riding a sled across frictionless ice. It has been given an initial push and is now traveling at a constant velocity, in a straight line.Snow is falling vertically (as seen by a person standing still on the ice), and the snow is accumulating on the

213. English

I just want to be sure about the countries. (YES means correct, NO means wrong) 1) Europe NO 2) Ukraine YES 3) Kazakhstan YES 4) Mongolia YES 5) Russia YES 6) Bering Strait NO 7) Alaska YES 8) Canada YES 9) New York NO 10) The USA YES OR NO??? I just want

214. physics

Which of the following is correct for the energy levels in an atomic system? Choose one answer. a. The energy value increases with the distance from the nucleus. b. The energy value decreases with the distance from the nucleus. c. The energy value remains

215. physics

Calculate the acceleration of mars, and show the calculations

216. physics

A point source of light produces photoelectrons from a photo cell with certain velocity. Which of the following is correct for the photoelectrons if the distance between the photo cell and the source of light is increased? Choose one answer. a. Velocity

217. Finance

midland chemcial is negotating a loan from manhattan bank and trust. the small chemical company needs to borrow 500,000. the bank offers a rate of 81/4 percent with a 20 percent compensating balance requirement, or as an alternative, 93/4 percent with

218. Geometry

how is the distance formula related to the pythagorean theorem?

219. physics

A point source of light produces photoelectrons from a photo cell with certain velocity. Which of the following is correct for the photoelectrons if the distance between the photo cell and the source of light is increased? Choose one answer. a. Velocity

220. English

I just wanted to be sure about the position of the conjunctions. Could you please check these sentences? Thank you. 1) He fears they will have an accident, injure themselves or that their motorbikes could break down. 2) While I was getting ready for

221. Algebra

1. 12 + 8a + 4a^2 2. Factorise -5x^2 + 27x - 10 Please show me full working out. Thank you!

222. Math

99 employees in a factory earn a salary of \$28,000 per year, while the CEO makes \$766,000 annually. What are the mean and median salaries for all 100 people? Is the mean or the median the more appropriate measure of "center" in this case? Explain. I have

223. Math

A lawn service will fertilize a lawn at at a rate of 59cents per 100 square feet. What is the price they will charge to fertilize a 125foot x 140foot rectangular lawn? Express answer to the nearest cent.

224. litreature- king lear

write a journal in king lear : the idea tha power corrupts but suffering can redeem is farily common plots support this theme

225. Math

If the tens digit d is replaced with one of the digits 0-9, what is the probability that the four-digit positive integer 12d4 is divisible by 12? Express as a common fraction.

226. algebra

solve the square root of 2a-1 is equal to 5 solve c- the square root of c is equal to 30

227. science

if you had a liter container full of marbles and half container full of sand,would a mixture of the two measure 1 1/2 liter?

228. Math

99 employees in a factory earn a salary of \$28,000 per year, while the CEO makes \$766,000 annually. What are the mean and median salaries for all 100 people? Is the mean or the median the more appropriate measure of "center" in this case? Explain. I have

229. math

what are the factors of 22x^2+66x-220?

230. English

I still have a few more doubts. Could you check the following phrases and improve them, please? 1) I spend my time selling "homemade"/handmade (?) charms to earn money. 2) He fears an accident, an injury or a breakdown of his motorbike. 3) They will

231. science

name att least 3 aspects that contribute through visual means. Give examples?

Please check my last 2 posts where I posted first. Sra

233. Math And Physics

Law of Gravitation- Find an expression for the magnitude of the initial velocity that a projectile must possess in order to leave the earth when air friction is neglected. The gravitational constant for g is, G = 6.67428*10^-11 m^3 Kg^-1 s^-2 Please answer

234. statistics

a computer teacher has 20 students 8 who are women and 12 are men. her other class has 30 people how many must be women so that both classes have the same ratio of women to men

235. Math/Statistics

Last fall, a gardener planted 68 iris bulbs. She found that only 58 of the bulbs bloomed in the spring. Find the empirical probability that an iris bulb of this type will bloom. How many of the bulbs should she plant next fall if she would like at least 60

236. Algebra 1

solve by the substitution method. 5x+9y=53 x=47-7y

237. trigonometry-math

what is the solution set (in terms of pi) of the equation sin2t-cos^2t=1=sin^2t+sint in the interval 0

238. science

a person exerts 35 lbs of force to turn a door handle ( radius = 4 cm). How much force is exerted on the inner "axle" with a radius of 5 mm?

239. chemistry

Balance the following equation in basic media CLO3 (-1) +I (-1) --------->CLO2 +I2 please i need the final answer too

240. English

I still have the following doubts. I really hope you can help me this time, too. 1) She asked: "Have you done your homework yet? " She asked me if I had already done my homework/or had done my homework yet. (Which of the two is grammatical?) 2) She said

241. math

Given the quadratic function f(x) = 16x2 – 64x + 64, find a value of x such that f(x) = 16.

242. math

Use polynomial long division to divide -9x3 – 18x2 – 11x – 2

243. usc school of math

When crossing two types of seeds it is expected to get 4 types of seeds in the ratio of 7:4:3:2 in a sample of 800 seeds 360 were of the first type 220 of the second type 150 of the third type and 70 of the fourth type does this sample fit the proposed

244. math

You can find the average cost per animal by dividing total costs by number of animals. Write the equation that gives the average cost (AC) per animal

245. physics

Electric power is found by multiplying ___ by current. Is voltage or potential difference a better choice to use?

246. engineering

What is the reason when you may receive only 2G insted of 3G.

5/x-6x=4

249. MATH

We want an estimate of the mean time required for ships of a particular class to cross the Pacific Ocean from San Francisco to Tokyo. Little is known about the distribution of the mean time for this class of ships to cross the ocean due to the age

250. Physical science

A little hexane is poured into a crucible and burnt.name the products forme in this reactio

251. English

I forgot to add the following alternatives. Thank you. 1) How are you? I'm well. I'm going to the mountains in Aosta Valley (to Aosta Vally- a region in Italy). 2) I destroyed/crashed/smashed/broke down/bumped the car. Are the above verbs possible with

252. English

I have a last question.It's urgent. While I was getting ready for school, my mum made/was making breakfast for me. I think I should you the past continuous in both cases because the two actions are continuous.

253. English-Native speakers

Is glasses only a plural noun? We can't say a glasses right? What about a matches and a tissues?

254. English

I just have one more doubt on the previous definition. A cameraman operates a camera for film or TV /for a film or TV program. (Do the two phrases have the same meaning? Are they both grammatical? Thank you.

255. English

Are these sentences grammatical? Thank you. 1) We are leaving from Turin to Malpensa Airport at 6 am. 2) We are driving from Turin to ... We are leaving from Turim for Malpensa Airport at .. 3) The train is going to take 2 hours. The train journey/The

256. algebra

What is the circumference of the circle if the area of the square is 25m to the second power?

257. HCA 220

can someone explin how blood clotting, immune response, allergic reaction, and hormone release interrelate. I have been searching and can't find anything

258. math

a bag of marbles contains 5 red,7 green ,and some blue.if 1/3 of the marbles in the bag are blue,how many blue marbles are in the bag?

259. math

Completely factor the following expression: 16y2 – 25z2

260. math

Completely factor the expression 36x3 – 96x2y + 64xy2

261. History

What were the 5 steps in Indiana becoming a state

262. math

simplify: (x(1/2)(x^2+1)^-1/2(2x)-sqrtx^2+1)/(x^2)

263. math

10a^2 + 25a - 15 factor out the GCF.

264. humanities

Discuss relationship between counter-reformation and Baroque period.

265. Algebra

What is the number of units in the distance from the origin to the point (-8,6) in a coordinate system?

267. Bio

I just did a multiple choice practice test. For the question "A gene pool is..." I was in between C). the genes that are available to a community and D). The sum total of all the genes of all the individuals in the population. The book says D is correct.

268. Math

I am solving inequalities then graphing my solution. in a problem such as -2(c-1)

269. english

in kinglear act 2: who is curan and what position does he hold in society. 2) edgar decide to disguie himself as what? 3) Regan and Goneril tell lear he is what type of a man

270. physics

what is the gravitational force on a 60k person on the earth, due to the moon?

271. Algebra

What is the least integer value of x such that |2x + 7| is < or equal 16?

272. math

A gneral having formed his soldiers numbering 15400,into a solider square,found he had 24 men left over,how many soliders did the front row?(hint.15400-24)

273. finance

If you invested \$1000 today at a rate of 5% for five years, and periodically you withdrew the interest earned, what type of interest is calculated for during the term of the investment?

274. English

Here are the other 3 phrases. Thank you. I need to know if the tenses are possible. 3) When I arrived at school, I met some of my friends/ the teacher was speaking/ the lessons had already started/ I realized I had left my book at home. 4) I had lunch and

275. 7th Grade Science, Plz help due tomorrow!!!!

What are tetrahymena thermophila's primary source of energy??

276. English

Hi, I'm writing this essay on whether it is better to know the truth or it is not. And I said it is better to know because the truth is going to be revealed sooner or later so better to deal with it faster and get it over with... So that's basically my

277. algebra

solve for x 3x^2-12x+3=0 is the answer 1/3, 3

278. math

what shape has only one square corner and is not a triangle?

280. Math

What is simple interest? Like I=Prt

281. algebra

solve for x -2x^2-4x+5=0 is the answer -2.22, 0.22

282. Math/Statistics

A community 5K run will award \$50 to the winner. 50 people enter the race, and they each pay an entry fee of \$20.00. Assuming they are all equally likely to win , what is a fair price for the competition?

283. Math/Statistics

The property restoration company PuroServ is considering switching to new dehumidifiers. Their market research, considering the cost of the new machines and their efficiency, tells them that the switch would give them an 83 percent chance of making a

284. Math/Statistics

A certain drawing states that the odds of winning are 15:270. What would be the odds against winning?

285. Math/Statistics

According to the U.S. census bureau, the total 2008 U.S. population was 303,824,640. The chart below summarizes the 2008 population for five U.S. States: Missouri 5,911,605 Pennsylvania 12,448,279 Tennessee 6,214,888 Utah 2,736,424 Washington 6,549,224

286. Math/Statistics

If the probability of seeing a moose in a day in a certain region of Alaska is 0.54, what is the probability of not seeing a moose in a day there?

287. math

-3+-5--4-+2= -6 would that be correct? also The coordinates of three vertices of a triangle are (3,5),(-1,5)and (-1,-3) what is the area of the triangle? 32?

288. English (ELA)

What are the reasons drama has survived for over 2000 years? Provide examples from Twelfth Night.

289. discreet math

verify that f(n) = 1 + 2 + 4 + 8+..+ 2^n has order 2^n

290. computers

I have trouble with problem solving. Can you help me please?

291. Math

What is the number of units in the distance from the origin to the point (-8,6) in a coordinate system?

292. Accounting

I am taking an accounting class and the instructor is refusing to give the formula needed to perform a quick ratio for a non profit organization (capital one). The typical formula Current Assets – Inventory/ Current Liabilities found online only covers

293. math

Mr.perez is trying to move a circular folding table with a 4 foot radius through a window that measures 5 ft by 3 ft. He plans to lean the table over and move it through the diagonal of the window. Will the table go through the window?

294. math

equation of the given line in standard form. The line with m = -3/4 and b = -2

295. physics

Electrons flow from a ___ potential to a ___ potential.

296. music

the difference between Franz Liszt and Felix Mendelssohn

297. litreature

please help me , this journal is for tomorow and i can't do it: the idea that power courrupts but suffering can redeem is fairly common plot support this theme, please answer as fast as you can . thank you

298. intermediate algebra

3x^2+9x+4=0 the discriminant is 33, using the discriminant to determine the number of real solutions

299. data range

Given the data set 10 40 22 43 35 18 27 22, which is the largest number of those listed below?

300. data range

Given the data set 10 40 22 43 35 18 27 22, which is the largest number of those listed below?