1. Chemistry

Calculate the volume of Sulfur dioxide produced when 27.9 mL of O2 reacts with carbon disulfide

2. Chemistry

Which type of intermolecular force is Cl2 MgF2 NH3 Are they dipole-dipole, dispersion,hydrogen bonding and/or ionic?

3. chemistry

The half-life for the first-order decomposition of is 1.3*10^-5. N2O4--> 2NO2 If N2O4 is introduced into an evacuated flask at a pressure of 17.0 mmHg , how many seconds are required for the pressure of NO2 to reach 1.4mmHg ? i know that the half life

4. Chemistry 1

How many grams of a stock solution that is 92.5 percent H2SO4 by mass would be needed to make 250 grams of a 35.0 percent by mass solution? Can you please teach me how to do this? I get the other stoichiometry stuff, but this one tripped me up because I

5. Chemistry

Instant cold packs used to treat athletic injuries contain solid NH4NO3 and a pouch of water. When the pack is squeezed, the pouch breaks and the solid dissolves, lowering the temperature because of the following endothermic reaction. NH4NO3(s) + H2O(l) =

6. math

ragan takes an hour to plant 2 vines between each of the 6 posts in the first row of his vineyard how long will it take to plant two vines between each of the 9 posts in the longer second row hint 10 vines take one hour

7. physics

A basketball player achieves a hang time of 1.07 s in dunking the ball. What vertical height will he attain? The acceleration of gravity is 9.8 m/s2.

8. Statistics

Juan makes a measurement in a chemistry laboratory and records the result in his lab report. The standard deviation of students' lab measurements is 10 milligrams. Juan repeats the measurement 3 times and records the mean (x-bar) of his 3 measurements. a)

9. spanish

Rewrite each sentence, changing the positive words to negative ones. 1. Leyó algunos libros de Vargas Llosa el año pasado. 2. También leyó algunas novelas de Gabriel García Márquez. I tried ningun and ningunos for both and it didn't work.

10. Chemistry

why is da value of heat of neutralization of NaOH AND HF is higher dan that of its constant value??

11. Physics

A small m = 2.00 g plastic ball is suspended by a L = 24.0 cm long string in a uniform electric field, as shown in Figure P15.50. If the ball is in equilibrium when the string makes a 18.0° angle with the vertical as indicated, what is the net charge on

12. us history

what is the Proclamation of Neutrality?

13. math

Find the area of an equilateral triangle (regular 3-gon) with the given measurement. 6-inch side. A = sq. in.

14. childcare

Questions 1–3 are based on the following scenario: Mrs. Carroll and her sister, Ms. Howard, plan to operate a small day care center in a remodeled building. They're licensed and staffed to handle up to 24 children. Ms. Howard doesn't plan to work at the

15. childcare

1. In order to be eligible for accreditation by the NAEYC, an early childhood program must serve a minimum of _______ children. A. five B. six C. ten D. fifteen 2. Which of the following agencies or organizations does not grant certifications? A. State

16. pchem II

the work function for metallic Caesium is 2.14 eV. Calculate the kinetic energy and the speed of the electrons ejected by light of wavelength 700 nm

17. physics

Mars has a mass of about 6.14 × 1023 kg, and its moon Phobos has a mass of about 9.8 × 1015 kg. If the magnitude of the gravitational force between the two bodies is 4.18 × 1015 N, how far apart are Mars and Phobos? The value of the universal

Khalid uses Penelope’s bag of letter tiles to create a different game in which he tries to randomly draw a set of five tiles with consecutive letters. If Khalid plans to draw five tiles from the bag, without looking and without replacing any tiles, what

19. child day care

1. When preparing an environment for school-aged children, the caregiver should ensure that the A. environment resembles their school setting. B. children are continually intermixed with the younger children. C. outdoor area allows them to continually

20. Math

A 30% solution of fertilizer is to be mixed with a 60% solution of fertilizer in order to get 150 gallons of 50% solution. How many gallons of the 30% and the 60% solutions should be mixed. I really need help.

21. Physics; Elect.

1. A charge (uniform linear density=9.0 nC/m) is distributed along the x-axis from x=0 to x=3.0m. Determine the magnitude of the electric field at a point on the x axis with x=4.0m. a)81 N/C b)74 N/C c)61 N/C d)88 N/C e)20 N/C 2. A +2nC point charge is

22. Literature

In John Hersey's "A Noiseless Flash," what are some fiction and nonfiction techniques that he uses? And how do these effect the reader? I know the character development is a fiction technique, and the uses of facts and statistics are nonfiction techniques,

23. Algebra

I'm needing help with this. Thanks An individual can be classified by gender as male, female, by hair color as black, blonde, brown, red, unknown, and by eye color as black, brown, green. A) How many different classifications are possible (for example,

24. Physics

A tow truck exerts a force of 3000 N on a car, accelerating it at 2 m/s2 . What is the mass of the car?

25. physics

If you have swam one lap in a swimming pool, that means you have swam from one end to the other and back. In 3.5 h, a swimmer makes exactly 86 laps in a swimming pool that is 43 m long. Determine the distance the swimmer traveled, the total displacement of

26. Chemistry

When ice melts, it absorbs 0.33 per gram.How much ice is required to cool a 12.0 drink from 72 to 37, if the heat capacity of the drink is 4.18 ? (Assume that the heat transfer is 100 efficient.)

27. Physics

A watch manufacturer claims that its watches gain or lose no more than 8 seconds in a year. How accurate is this watch, expressed as a percentage?

28. Physics

A small m = 2.00 g plastic ball is suspended by a L = 24.0 cm long string in a uniform electric field, as shown in Figure P15.50. If the ball is in equilibrium when the string makes a 18.0° angle with the vertical as indicated, what is the net charge on

29. Probability and Statistics

The number of calls that arrive under a particular time in a cell has been established to be a Poisson distribution. The average number of calls arriving in a cell in 1 millisecond is 5. What is the probability that 8 calls arrive in a cell in a given

30. geometry

a plane is one mile above sea level when it begins to climb at a constant angle of 3 degrees for the next 60 ground miles. about how far above sea level is the plane after its climb

31. Chemistry

Rubbing alcohol is a 90 mass % solution of isopropyl alcohol, C3H8O, in water. How many grams of rubbing alcohol contains 20.0 g of isopropyl alcohol?

Penelope created a game using a bag of 26 tiles, each with a different letter of the alphabet written on it. She uses a stopwatch to time how fast she can create one 5-letter word from a set of five randomly selected letters. To play this game Penelope

33. Chem

How many deciliters of carbon dioxide are produced when .38L of SO2 is formed?? Thanks :)

34. Calculus

Consider a circle of radius 5 and a point P rotating around it, as shown in the figure to the left, below. The angle(theta) , in radians, is given as a function of time t, by the graph in the second figure. What is the value of when t=0.5? Find the

35. Chemistry

What is the enthalpy change (in kJ/mol) for the following process? Na+(g) + Br-(g) --> NaBr (s) Hint: use the Born-Haber cycle Note: the reference state for Br2 is Br2(l) not Br2(g) Data (in kJ/mol): enthalpy of sublimation of Na(s): 107 standard enthalpy

36. physics

A water pistol aimed horizontally projects a stream of water with an initial speed of 7.20 m/s. How far does it travel before dropping a vertical distance of 1.95 cm?

37. Poetry

Hello! I need help in identifying the elements of poetry in this poem. :O Please help.. Batik Maker by VIRGINIA MORENO Tissue of no seam and skin Of no scale she weaves this: Dream of a huntsman pale That in his antlered Mangrove waits Ensnared; And I

lim ((x^2-64)/(x+8)) x->-8

39. math

sam makes 70% of his free throws what is the probability that sam makes 2 free throws in a row

How do I answer this question? ¿Qué haces los lunes a las diez de la mañana? Hago estudio. Hago escribo Escucho a la maestra. Hago miro la televisión.

41. social studies

hi i need help with this question (Name 3 produce produccts) i don't understand the question please helppppppppppp

42. physics

A baseball pitcher throws a pitch with an initial velocity of 39.9 m/s, directed horizontally. How far does the ball drop vertically by the time it crosses the plate 18.0 m away?

43. child care

1. The first step to planning a child care center is to A. develop your program philosophy. B. determine the nature of the need for child care facilities in your community. C. establish goals for the children, parents, staff, and community. D. determine

44. English

In John Hersey's "A Noiseless Flash," what are some fiction and nonfiction techniques that he uses? And how do these effect the reader? I know the character development is a fiction technique, and the uses of facts and statistics are nonfiction techniques,

45. physics 1

A 7.2 kg diver stands at the end of a diving board 2.80 meters from its support. calculate the magnitude of the torque cause by the diver on the board the point of support.

46. Math

Dayle is paddling his canoe upstream, against the current, to a fishing spot 10 miles always. If he paddles upstream for 2.5 hours and his return trip takes 1.25 hours, find the speed of the current, and his still water????????

47. Math

The Mathematical model C(x)=100x+20,000 represents the cost in dollars a company has in manufacturing x item during a month.

48. physics

A phone cord is 4.75 m long. The cord has a mass of 0.200 kg. A transverse wave pulse is produced by plucking one end of the taut cord. The pulse makes four trips down and back along the cord in 0.900 s. What is the tension in the cord?

49. Algebra

A candy cane 30 cm high has a circumference of 3 cm. The red “ribbon” makes exactly 4 complete turns round the candy cane while its two ends touch the cane's top and bottom. How long is the ribbon in cm? It doesn't make any sense to me. Can somebody

50. math

in the united states .154,000,000 tons of garbage are prouduced annually .on an average ,about how many pounds is that each month for each person in the united states? the popullation of the united states is about 250 millon pounds answer: pounds

51. Chemistry

A student makes a solution by dissolving 55.8 grams of potassium hydroxide in 875.0 grams of water. The resulting solution has a density of 1.07 grams per milliliter. 1. What is the volume of this solution? 2. Calculate the % concentration of this

52. English

Fill in the blank with possessive nouns from familiar fairy tales. 1. Goldilocks ate the BLANK porridge. 2. Jack climbed the beanstalk and stole the BLANK treasures. 3. The three Billly Goats Gruff crossed over the BLANK bridge.

53. physics

A tennis ball is shot vertically upward from the surface of an atmosphere-free planet with an initial speed of 20.0 m/s. One second later, the ball has an instantaneous velocity in the upward direction of 15.0 m/s. What is the magnitude of the acceleration

54. health

What three components of public and community health differ from individual health? Describe each component and provide examples from your life?

55. Spanish 1

In Spanish I need to ask what a friend is doing. Que haces?, correct except with accent over "e" If the friend is skating- I could say Patino, correct? I need to ask a friend what they are doing so I would say Que haces? with accent over "e", correct But

56. physics

Two instruments are playing musical note "A" (440 Hz). A beatnote with a frequency of 2.5 Hz is heard. Assuming that one instrument is playing the correct pitch, what is the frequency of the pitch played by the second instrument?

57. Chemistry

Calculate the amount (volume) of 6.25% (wt./vol.) NaOCl solution (commercial bleach) required to oxidize 150 mg of 9-fluorenol to 9-fluorenone. Whenever appropriate, use balanced chemical equations as a part of your calculation.

58. Math

A bag contains five white marbles and one green marble. The marbles are randomly selected one at a time. What are the odds of picking the green marble on the first selection?

59. Physics

A helicopter is ascending vertically with a speed of 4.50 m/s. At a height of 65 m above the Earth, a package is dropped from a window. How much time does it take for the package to reach the ground? [Hint: The package's initial speed equals the

60. physics

"Charges of 2.00uc and -3.00uc are located in a coordinate plane at(2.00cm, 5.00 cm) and (3.00cm, 2.00cm) respectively. calculate the magnitude and direction of the electric field created by this pair at the origin. express your answer in both polar and

61. chemistry 1-2

How many milliliters of 0.1350 M HCl(aq) will react with 0.066 mol of KMnO4(aq)?

62. physics

A large crate filled with physics laboratory equipment must be moved up an incline onto a truck. 1. The crate is at rest on the incline. What can you say about the force of friction acting on the crate? 2.A physicist attempts to push the crate up the

63. English

What connections between education and freedom does Douglass make in this except from his autobiography? what does it means?

64. physics

A phone cord is 4.75 m long. The cord has a mass of 0.200 kg. A transverse wave pulse is produced by plucking one end of the taut cord. The pulse makes four trips down and back along the cord in 0.900 s. What is the tension in the cord?

65. Calculus

Recorded data indicates that on a recent date t hours past midnight, the temperature at Logan airport was f(t) = 14sin(1/3t-2) + 60 degrees Fahrenheit. What was the average temperature between 9 am and noon?

66. Calculus

a)Find the average value of f(x) = e-x over the interval [0,k] b)What happens to the average value of f on [0,k] as k approaches infinity

67. geometry

Two circles of equal radius intersect each other such that each circle passes through the center of the other circle. Find the equation for the perimeter of this figure.

68. Chem

Consider a glass of 277 mL of water at 25°C. Calculate the mass of ice at -15°C that must be added to cool the water to 10°C after thermal equilibrium is achieved. To find the mass of water use the density of water = 1.0 g/mL. I have no idea how to

69. Physical science

List the charge, mass, and location of each of the three subatomic particles found within atoms

70. ALgebra...plz help

If the tens digit of a two-digit number is subtracted from the units digit, the difference is 8. The number with the digits reversed is 10 more than nine times the units digit of the original number. Find the number.

71. chem

A sample of air contains 14.5 µg/m3 of beryllium dust. How many atoms of beryllium are present in a room with dimensions of 11 feet by 13.9 feet by 17.5 feet? Answer in units of atoms.

72. algebra2

What is the value of x in the solution to the system y = 4x + 3 and 3x + 2y = -16? (Round to the nearest integer if necessary.)

73. Hi570ry-history

Question 2. Is the “Columbian Exchange” a unique event, or have similar events occurred throughout world history? Is there a point at which a difference in scale – the sheer quantity of biota that travel between widely separated areas – makes such

74. Math

The tip of the minute hand of Boston's Custom House Tower clock travels 6ft. 10 in. in 5 minutes.How long is the minute hand ?

75. geometry

if a polygon has 53 sides, what will the total number of degrees (i.e. the total sum of interior angles) in this polygon

76. social studies

why is it a good time to shear sheep in the spring? so they don't get overheated in the summer. what work does sheep dog do? sheep dog help herd the sheep when they need to be moved. Sheep dogs separate a sick sheep from flock or group of sheep. why is

77. Math

At Chaniel's school, one cafeteria helper is chosen from each class by a random drawing. In Chaniel's class, the probability of the chosen person being taller that five feet is 1/5. Find the odds in favor of the chosen person being taller than five feet.

78. physics

There is a box attached to a spring. The spring has a spring constant of 39 N/m. The ì between the box and the surface is 0.3. The box has a mass of 1 kg. What is the maximum distance that the spring can be stretched from equilibrium before the box begins

80. Algebra- is my answer right

Use the rational zeros theorem to list all possible rational zeros of the following. -2x^3-x^2-4x-5 I got +-1,+-5+-,5/2,+-1/2 Be sure that no value in your list appears more than once.

81. physics

A water skier, moving at a speed of 6.42 m/s, is being pulled by a tow rope that makes an angle of 39.7 ° with respect to the velocity of the boat (see the drawing). The tow rope is parallel to the water. The skier is moving in the same direction as the

82. pre algebra

Mr Chee deposited \$80 into his checking account. Then, after writing a \$23 check for gas and a \$90 check for his child's day care, the balance in his account was \$67. How much was in his account before he made the deposit? How would you solve and check the

83. math

A circle is inscribed in a square whose perimeter is 40 cm, what is the diameter of the circle?

84. english

What is 7 letter word for finished. 3rd letter is R and 5th letter is U

85. Math

A major corporation is building a 4325 acre complex of homes, offices, stores, schools, and churches in the rural community of Glen Cove. As a result of this development, the planners have estimated that Glen Clove's population (in thousands) t yr from now

86. Digit Problems

If the tens digit of a two-digit number is subtracted from the units digit, the difference is 8. The number with the digits reversed is 10 more than nine times the units digit of the original number. Find the number.

87. JOB INTERVIEW QUESTIONS

You’ve recently completed a tour and now it’s time to write the customer a ‘Thank you’ note. Here’s the customer information: Name - Joe Smith Tour - Conducted in Apt. 1107 with a 2-bed 2-bath Interests - Pool, 24-hour fitness center, second

88. Finance

You deposit a single amount of \$50,000 in a savings account that pays 7.6% annual interest (compounded quarterly). How much will you have at the end of four and a half years?

89. math

I am so bad at word problems! Help me find out how to figure this one out. 1/5 of the boys are absent and 2/5 of the girls are absent in Drew’s class. Bert thinks that you multiply, so his answer is 2/5 of the class are out. Elmo thinks that means 3/5 of

90. math

find the product to :5.7*17.3* 651*387*0*82.1= key:the star signs are sign of multiplication.

I am still not able to get this: These are all factors of production: natural resources, human resource and, capital resources, I have to give five examples of each that go into the production of an automobile. Is there any sites that could help me with

92. Finance

If an investment of \$5,000 today earns 5% in each of the next five years, and then earns 7% per year for five years after that, how much will the investment be worth at the end of the ten years?

93. Stats

Among 15,378 Delta airline passengers randomly selected, 3 were bumped from a flight against there wishes (based on data from the us dept of transportation) find the probability that a random selected passenger is involuntarily bumped. Is such bumping

94. chemistry

what volume of water at 4 degrees Celsius can be held in a cube whose edge is 3.0cm long?

95. Math

Prove the following vector relation: V * (pvv) = pv * vV + vV * (pv) Note: Multiplication sign is supposed to be a dot, both v's are vectors, and V is the del operator

96. world history

What group of people favored cooperation with the Romans?

97. Stats

The time for an emergency medical squad to arrive at the sports center at the edge of a particular town is normally distributed with mean 17 minutes and standard deviation 3 minutes. What is the probability that it will take the medical squad more than 22

98. pre algebra

A college bookstore ordered 6 boxes of red pens. The store sold 32 red pens last week and 35 red pens this week. Five pens were left on the shelf. How many pens were in the box? How would you solve it and check answer into the original problem?

99. Algebra 2 Could use help asap

I really am trying to work these problems out on my own. Please help If f(x)=3x^2 g(x)= 1/6+x find the following and give the domain (f+g) (x) (3x^2) + (1/6+x) x is all real numbers and x is not equal to 6 (f-g) (x) (3x^2) - (1/6+x) 3x^2-x-6 x is all real

100. Chemistry

A student makes a solution by dissolving 55.8 grams of potassium hydroxide in 875.0 grams of water. The resulting solution has a density of 1.07 grams per milliliter. 1. What is the volume of this solution? 2. Calculate the % concentration of this

101. physics

"Charges of 2.00uc and -3.00uc are located in a coordinate plane at(2.00cm, 5.00 cm) and (3.00cm, 2.00cm) respectively. calculate the magnitude and direction of the electric field created by this pair at the origin. express your answer in both polar and

102. Financial Accounting

From the information that follows, prepare an income statement and balance sheet for ABC Management Consulting for presentation at the annual board of directors meeting. Use proper formatting of financial statements by reviewing the various illustrations

103. English

Hello. Please help me with the sentence (is it normal English?): There was captured a ship in the Indian Ocean. Thank you very much.

104. college

The perimeter of a rectangle is 62 meters. The length is 1 meter more than four times the width. What is the area of the rectangle, in square meters?

105. Biochemistry DR.BOB

How many grams of NaOH(Mr 40) must be added to 100 ml of 0.1M H3PO4 to create phosphate buffer, pH 7.0? I know I'm using HH-equation. H3PO4, pka1=2.12, pka2=7.21, pka3=12.32. Heres what I got: pH=Pka+ log HPO4/H3PO4-HPO4 7.0=7.21 + log HPO4/.001-HPO4 is

106. chemistry

a mixture of 1.00 grams hydrogen gas and 1.00 grams helium is placed in a 1.00 L container at 27 degrees cesius. Calculate the partial pressure and total pressure

107. math (comparing ratios)

the question says →4 feet to 4 inches and i have to do it in simplest form

108. Math

Not sure how to solve this problem??? X + y = 150 .30x +.60=75

109. math

write an equation that represents a way to break down 18

110. Math

Maxie counted her dimes,when she put them in a groups of 4 she had 2 left over, groups of 5 1 left over. What is the smallest number of dimes she could have over if she has more than 10

111. Calculus

The level of air pollution a distance x miles from a tire factory is given by L(x) = e-0.1x + 1/x2 What is the average level of pollution between 10 and 20 miles from the factory?

112. Algebra

logx1/64=-3 Solve for x

113. mat 157

Suppose that a natural number from 1 through 9 is selected at random. What is the probabiliy that the number selected is odd if you know that it is prime?

114. mat 157

Suppose that a natural number from 1 through 9 is selected at random. What is the probabiliy that the number selected is odd if you know that it is prime?

115. algabra

What is an expression to simplify using at least three of the following? Groupings: Parenthesis, brackets, or braces Exponents Multiplication or division Addition or subtraction

116. Physics

A car travels 2.06 km in the x-direction, then turns left 70.3 degrees to the original direction and travels an additional distance of 4.23 km. Calculate the x component of the car’s net displacement. Let : d1 = 2.06 km, theta = 70.3 degrees , and d2 =

117. social studies

explain how patriots and loyalists viewed the american revolution

118. chemistry

balanced chemical equation for m(s) + n^(x+) (aq) ---> M^(y+)(aq) + N(s)

119. chemistry

What is the correct balanced redox reaction for the cell shown below?Fe(s) | Fe2+(aq) || Co2+(aq) Co3+(aq) | Pt

120. Math

a building cast a 235 ft shadow along the ground. the angle of the sun's ray with the ground is 24 degrees. How tall is the building?

121. Spelling

Man woman curved

122. Stats

The time for an emergency medical squad to arrive at the sports center at the edge of a particular town is normally distributed with mean 17 minutes and standard deviation 3 minutes. What is the probability that it will take the medical squad more than 22

123. Statistics

Find the probability when A. k = 2 and ë = 0.01 for Poisson distribution B. p = 0.01 and k = 2 for geometric distribution C. Repeat (b) when binomial distribution is used and n = 10

124. physics

A fox fleeing from a hunter encounters a 0.625 m tall fence and attempts to jump it. The fox jumps with an initial velocity of 7.75 m/s at an angle of 45.0°, beginning the jump 1.82 m from the fence. By how much does the fox clear the fence? Treat the fox

125. math

the horizontal,vertical,and diagonal columns of a magic 9 square box all add to the same sum. use the digits 1-9 one time each to make a magic square.

126. PHYSICS

Is the weight of a body the same thing as its mass? Discuss briefly. Is the weight of a body constant at all places on the earth? is the mass?

127. trigonometry repost

Reduce (csc^2 x - sec^2 X) to an expression containing only tan x. (is this correct?) csc x = 1/sin x sec x = 1/cos x tan x = 1/cot x sin^2 x + cos^2 x = 1 1 + cot^2 x = csc^2 x tan^2 x + 1 = sec^2 x csc^2 x - sec^2 x = 1 + cot^2 x - (1 + tan^2 x) = cot^2

128. English

Do you ever use “a”/an in front of food when you order it in a restaurant? I hope you can have a look at the following orders and tell me whether or not they sound better with the indefinite article. Thank you. I'll have ... pasta with clams and

129. chemistry

if you start with 100mg of radioactive material that has a half life of one hour, how many mg's of radioactive material would you have in 10.2284952 hours?

130. finance

Rob has \$1,000 to invest for 120 days and is considering two options. Option 1: He can invest the money in a 120-day GIC paying simple interest of 4.48%. Option 2: He can invest the money in a 60-day GIC paying simple interest of 4.50% and then re-invest

131. chemistry 1-2

How many milliliters of 0.1350 M HCl(aq) will react with 0.066 mol of KMnO4(aq)?

132. home economics

explain principles and elements of design?

133. Math

A 100 foot vertical tower is to be erected on a side of a hill that makes a 6 degree angle with the horizontal. Find the length of each of the two guy wires that will be anchored 75 feet uphill and downhill from the base of the tower.

134. health

i also need the names of the different fast food so i can research there ingrdients. thank you

Can a secondary consumer be eaten by another secondary consumer? Thanks! :-)

136. probability

The odds against Paul Phillips winning the 100 yard dash are 7:2. Determine the probability that: • a) Paul wins. • b) Paul does not win. How do I set this up to find out the equation/answer?

137. child care

1. Which one of the following statements uses language best to present a clear picture of a child's behavior? A. Leslie ran to the door, greeting his mother with open arms. B. Carolyn carried her books to the table. C. Marshall handed the truck to Jacob.

138. pharmacology

You need to compound Drug X to make a concentration 100 mg/ml and a total quantity of 50 mL. How many 250 mg tablets must you dissolve in liquid to make the compound?

139. calculus

what is the integral of ( x^2 / (x+1)dx

140. Economics

Are chickens and and cows examples of capital goods? Capital goods are items used in the creation of other goods. Because chickens create eggs and cows make milk, are they consumer goods?

141. Math

A change purse contains an equal number of pennies, nickels, and dimes. The total value of the coins is 112 cents. How many coins of each type does the purse contain?

142. Math

An executive in an engineering firm earns a monthly salary plus a Christmas bonus of 5300 dollars. If she earns a total of 98700 dollars per year, what is her monthly salary in dollars?

143. Social Studies

What were the two levels of government in New York in the late 1760s?

144. physics

engine falls from sky at a horizontal speed of 280 m/s and a altitude of 4500, whats horizontal distance the engine will travel before it hits the ground

145. Pre-Calculus

Evaliuate the differnce quotient f(x+h)-f(x)/ h for f(x) = X^2 + 2x - 2 currently i have done (x+h)^2 + 2(x+h)-2 - x^2-2x - 2 / h the answer is 2x+h+2 but each time i try to work on the problem i don't get this answer... thanks in advance

146. bus

Is it possible for companies both to maximize financial value for shareholders and to act responsibly in the communities in which they operate, to treat their employees, customers, and suppliers well, and to engage in activities that are good for the

147. geometry

If I leave the first building going to the second building, what would be the location of the half way point on the grid?

148. Math

Algebra 2: How do I factor this expression? 4x^4-6x^2+2

149. trigonometry

this question confused me can you please show me how its done. Reduce (csc^2 x - sec^2 X) to an expression containing only tan x.

150. Physics

What is the pressure increase in the fluid in a syringe when a force of 34.5 N is applied to the circular piston of the syringe, which has a diameter of 10.2 mm?

151. math

i have 3 kg 4 kg and 5 kg on one side and 5 kg and 7 kg on the other side which two tiles do i swap to have the same amount on both sides

152. math

i have 3 kg 4 kg and 5 kg on one side and 5 kg and 7 kg on the other side which two tiles do i swap to have the same amount on both sides

153. algabra

I take a trip in my car. I want to go 960 miles in one day. The time t, in hours, that it takes to travel 960 miles is given. I will be going 70 or 75 miles an hour so the speed is r. How long will it take me to get to where I am going?

154. phi 103

mrs orlof teaches 2 history classes one in the afternoon and one in the morining yesturday she gave the same test to both classses anyone who failed the test must retake since a greater percentage of students who took the morining test failed the test than

155. Language Arts

How can you display Harriet Tubman character traits in school, at home, and at play?

156. Mat 157

How many three-symbol codes (letter-letter-number) can be made from the letters, S,P,Y, and one digit from the set {0,1,2,...,9] without repetition?

157. CHEMISTRY

GIVE ENTHALPY PROFILE DIAGRAMS TO ILLUSTRATE ENDOTHERMIC AND EXOTHERMIC REACTIONS.INCLUDE AN EXPLANATION OF CONCEPTS SUCH AS ENTHALP CHANGE, ACTIVATION ENERGY AND CATALYSIS. EXPLAIN HOW THE PROCESSES OF BOND BREAKKAGE AND FORMATION DETERMINE THE ENTHALPY

158. MATH-Algebra

please show/explain what I have to do to work the below problem: p/3 x 24 = 16 p=___________ thank you

159. sorry left out a "x"

If f(x)=3^2 g(x)= 1/6+x find the following and give the domain (f+g) (x) (3x^2) + (1/6+x) x is all real numbers and x is not equal to 6 (f-g) (x) (3^2) - (1/6+x) 3^2 -6-x x is all real numbers and x is not equal to -6 (f x g) (x) I do not understand (f/g)

160. physics

lava ball is shot straight up at 28m/s what is speed after 3 seconds

161. MATH

WHAT IS THE LCM OF 21X TO THE 7TH POWER AND 147X TO THE 9TH POWER

162. chem

14 carat gold has a purity of 58.3%. How many moles of gold are in 137 grams of 14 carat gold? Answer in units of moles.

163. algabra

What are the steps of the order of operations? Why is it important that you follow the steps rather than solve the problem from left to right?

The time for an emergency medical squad to arrive at the sports center at the edge of a particular town is normally distributed with mean 17 minutes and standard deviation 3 minutes. What is the probability that it will take the medical squad more than 22

165. pre algebra

When twice a number is decreased by 8, the result is the number increased by 7. How would you solve it and check answer into the original problem?

166. Com 170

Compare and contrast your abilities as an academic writer opposed to when you began your studies at your University. Using four comparatives and four superlatives within your responses, explain what has led to these changes and what changes you will make

167. Math

what is the simplest form of 16/19

168. Kinematics

A car has an acceleration of 2 m/s2. What is its speed 3 seconds after it starts moving?

169. Chemistry

why is da value of heat of neutralization of NaOH AND HF is higher than that of its constant value??

170. Math

What is Add 1/2x^2 + 1/2x + 1/5 3/5x^2 - 4/5x + 1/3

171. geometry

if a polygon has 53 sides, what will the total number of degrees (i,e. the total number of interior angles) in this polygon

172. English

Hi! How to practice numbers from 1-12 in English? I have only one student and he is learning English as a foreign language(8 years old) So any advice how to practice numbers, days in the week, colors, seasons and similar?

173. chemistry

at 25˚c the density of water is 0.997g/cm³,the density of ice at -10˚c is 0.917g/cm³. if a soda can volume is 240 ml is filled then frozen at -10˚c, what volume does solid occupy?

174. Algebra

(4x^6)(-3x^9)(6x^7)

175. Statistics and Probability

The following table shows the density of the random variable X. x 1 2 3 4 5 6 7 p(x) 0.03 0.01 0.04 0.3 0.3 0.1 0.01 8 ? A. Find P(8) B. Find P(3 ¡Ü X ¡Ü 5) C. Find P(X ¡Ü 4) and P (X < 4). Are the probalities the same? D. Find F(-3)and F(10)

176. science

does an object move easier over a smooth or rough surface

177. Reference Letter

I have to imagine myself as an adult who knows me as a student.Then I have to create a made up letter of reference for myself based on what I hope someone would honestly be able to write about me in the future. SO basically Im that teacher.. Paragraph 1.

178. English

Can you please check if the indefinite article is correct? I followed your advice. 1) I'll have a : chicken breast, a roast leg of lamb, a sirloin steak, a boiled egg, a cod, a plaice, a sole, a half-litre bottle of waer no article with: braised

179. Geo

Line jk bisects line mn at point j. find mn if jk = 6ft 3/4?

180. writing

Write a paragraph about the Syrian car 'Sham'

181. finance

I'm not sure how to approach this problem What is the fair value of a 10-year annuity of \$5,000 whose payment will start five years from now and last until fourteen years from now (10 payments), if the interest rate is 8%?

How many verticles does a cube and pyramid have? do they both have eight. also if you have a pattern that starts with one block and is increased by three cubes each time what is the tenth term in this pattern? 28 or 31

183. math

What is the largest three digit number you can write without using a 9 in the hundreds place or ones place, or an 8 in the tens place?

184. Calc

Find the volume of the solid generated by revolving the region bounded by the graphs of the equations about the x-axis. y = sin x, y = 0, x = 0 I just need help setting up the formula. So far I got V= the integral from 0 to pi of [(sin²x) - 0²]dx. Is

185. English

1. One dancer had (risen, raised) a snake above his head for the crowd to see. 2.The growing corn (rises, raises) high in the Hopi country of Arizona. 3.In a moment, dad had (rose, raised) his hat to shade my face from the sun. 4.How long has it (laid,

186. English

Thank you very much. Here are some more sentences I'm not sure of. 1) Jason was very rude because he pushed Mickey. Mickey dropped the milkshake on the floor. Storm picked up the milkshake and poured it over Jason. The manager fired them both. 2)When I go

187. Chemistry

What are the products for the combustion of a a hydrocarbon.

188. math

a rectangle has and area of 20 cm second power. list all possible sets of dimensions it could have.

189. English

I forgot to include the very last sentences of the day. Thank you. 1) Do you dress your salad with oil and vinegar? Do you season your cutlet with salt and pepper? Do you usually serve pasta with a (?) meat sauce? 2) How do you call the dish you eat your

190. algebra

can you help me break-up this mathematical phrase 56 – b = 2011

191. math

scientific notation:provide thhe numeric value 4.9*10*10

192. math

250mg is equal to what percent of a gram or grams

193. Calculus

Consider the function y=7+5cos(8x) What is the amplitude? What is the period? What is the largest value the graph takes?

194. Math

the mean of 4 numbers is 31. What is the fourth number if 3 of the numbers are 37,15,22

195. finance

For this assignment, imagine you are the accountant for Floral Design Company and are assigned to prepare the monthly bank reconciliation. Complete this task, by using the data below: 1. Complete the bank reconciliation for the month of June. 2. Prepare

196. physics

Two masses m and 2m are attached with each other by a rope passing over a frictionless and massless pulley. If the pulley is accelerated upwards with an acceleration ‘a’, what is the value of T?

197. Finance

Imagine the CFO of a company has asked you, the auditor, to review the internal controls for cash receipts and to evaluate its cash management of accounts. Prepare a one page letter to the CFO addressing the following questions: 1. Why are internal

198. Finance

From the information that follows, prepare an income statement and balance sheet for ABC Management Consulting for presentation at the annual board of directors meeting. Use proper formatting of financial statements by reviewing the various illustrations

199. Algebra 2

If f(x)=3^2 g(x)= 1/6+x find the following and give the domain (f+g) (x) (3^2) + (1/6+x) x is all real numbers and x is not equal to 6 (f-g) (x) (3^2) - (1/6+x) 3^2 -6-x x is all real numbers and x is not equal to -6 (f x g) (x) I do not understand (f/g)

200. Algebra B

What is 1.11211211111221312211131122211113213211 What are the next digits. I saw a diagram but it was in french, so I did not understand the progression.

201. Math

Calculate the limit limit x->infinity 2x^2 + 100 / x^2 +1 I am not sure how to do this.

202. math

i can i solve the equation for x. mx+e=t

203. chemistry

when 15.12 ml of 0.1194 M NaOH is added to 25.00 ml of 0.1246 M HX ( an unknown weak acid), the resulting pH is 5.9. What is the Ka of the unknown acid?

204. algebra

not sure if I did this right 14+(-20x) is greater than 14-6x

205. algebra

-7x-22=-24 1/3 could someone help me Im confused

206. Physics

The drawing shows a large cube (mass=42 kg) being accelerated across a horizontal table by a horizontal force P. The coefficient of kinetic friction between the table and large cube is 0.24. A small cube (mass= 5.0 kg) is in contact with the front surface

207. chemistry

what would happen if PbI2 were to be ingested into your blood stream?

208. english

how is the Grasshopper in "The Ant and the Grasshopper" and the Bat"The Bat,the Birds, and the Beasts" similar?

209. Algebra II

How can equations and inequalities help a business maximize profit or minimize cost?

210. science

I'm having trouble with this homework question, I don't really trust sites like these but I don't have any other choice, so here it goes: The sound of speed in water(25 degrees Celsius) is traveling at 1,500m/s. How far can sound travel in water in 2.5

211. English

In my previous post I forgot to include a question. I'm doubtful about the use of certain expressions I haven't found in my grammar reference book. I hope you can have a look at them. 1) We are leaving from Alba (to Genova or for Genoa) on 23. March at

212. Algebra- is my answer right

Simplify. (2b^-4 c^6)^5 I get b^20/32c^30 Is that right? Write your answer using only positive exponents.

213. Spanish 1

In Spanish I need to ask what a friend is doing. Que haces?, correct except with accent over "e" If the friend is skating- I could say Patino, correct? I need to ask a friend what they are doing so I would say Que haces? with accent over "e", correct But

214. Algebra

Solve. (7+u)(3u-1)=0 (If there is more than one solution, separate them with commas.)

215. algebra

convert decimal notation 5.166x10-^8

216. algebra

(x^8+8)(x^9-^2)

217. math

how many different rectanagles exist which have whole numbers as the length and width,and also have an area of 36sq.cm?

218. chemistry

You discover that the volume of the material is 150 mL. Its mass is is 1701g. What is its density?

220. chemistry

4. Use the pressure of the butane gas (your answer from question #3 above), along with the temperature and volume recorded in the lab, to determine the moles of butane gas collected in the lab. You will use the ideal gas law (and the ideal gas constant, R)

221. Finance

1. You deposit \$100,000 at an annual rate of 5.6%. If interest is accrued following continuous compounding, how much will you have accumulated by the end of three and a half years?

222. Finance

What is the present value of the following payments? The interest rate is 8.5%. \$200 \$200 \$200 \$200 \$200+\$1,000 I--------I-------I-------I-------I-------I 0 1 2 3 4 5

223. finance help

I cannot figure out how to do this. Any help would be appreciated. What is the fair value of a project if it returns \$5,000 after one year and \$2,000 after two years? The interest rate is 9%

224. trig

how do you explain y=2 cos(1 half x)

I need help figuring out this on a food web. It goes from a flower to a butterfly to a frog to the bird to a coyote. Now I have to label them. I got them all however i do not know what the frog and bird is. HELP!! :-)

226. history

Is there a point at which a difference in scale – the sheer quantity of biota that travel between widely separated areas – makes such an exchange radically different than the relatively routine exchange of, for example, flu viruses between populations?

228. math

MUhHow are qaudrillaterls and squares are alike

229. Finance

I have been promised a \$25,000 car when i graduate in four years. If money earns 7% interest, what is my promise worth now?

230. Physical Science

If a person is traveling at a rate of seventy five miles per hour in a straight line, how far would they travel in three seconds?

231. social studies

What are the outcomes of the French and Indian War?

232. math

what does m stand for in the conversion table?

233. calculus - integration

A baseball is thrown upward from a height of 2m with an initial velocity of 10m/s. Determine its maximum height. S(0) = 2m S'(0) = 10m/s S'(t) = -32t + 10 S(t) = -16t^2 + 10t + 2 I know that if you equal s(t) = 0 you get time, but how do I get maximum

235. Drama

The best in this kind are but shadows is

236. Calculus

If b is a positive constant, find the average value of the function f defined by f(x) = x2 + bx + 1 on the interval [-1,1]

237. physics

A 59.0-Ω resistor is connected in parallel with a 116.0-Ω resistor. This parallel group is connected in series with a 15.0-Ω resistor. The total combination is connected across a 15.0-V battery. (a) Find the current in the 116.0-Ω resistor. ______A (b)

238. Math

If f(x)=3x^2 g(x)= 1/6+x find the following and give the domain (f+g) (x) (3x^2) + (1/6+x) x is all real numbers and x is not equal to 6 (f-g) (x) (3x^2) - (1/6+x) 3x^2 -6-x x is all real numbers and x is not equal to -6 (f x g) (x) I do not understand

239. english

I need to compare and contrast the themes of Andrew Marvell's "To His Coy Mistress" and Christopher Marlowe's "The Passionate Shepherd to His Love." Where do I start?

240. mat 157

Suppose that a natural number from 1 through 9 is selected at random. What is the probabiliy that the number selected is odd if you know that it is prime?

241. mat 157

Suppose that a natural number from 1 through 9 is selected at random. What is the probabiliy that the number selected is odd if you know that it is prime?

242. Allied health

I am doing a research project and I was wondering if you would know of any good websites that have information other than AMA or HIPPA or Opinion with information on the Confidentiality in Allied Health. My first question in this report is, 1. Should

243. geometry

Given two equilateral triangles with side lengths of 9 in and 15 in, what is the scale factor between them?

244. Algebra- is my answer right

Graph the Circle x^2+y^2+4x-2y-20=0 I get: (x^2+4x)+(y^2-2y)=20 (x^2+4x+4)+(y^2-2y+1)=20+16+4 (x+2)^+(y-1)^2=(40/2)^2 But I don't think its right can you help me with what I did wrong? Thanks

245. Science

How we can create a vaccume more than 760 mmHg ?

246. chemistry

A student conducts this experiment and finds the boiling point of the unknown to be 80 ± 3 °C. Use the table in the Physical Properties experiment to select all of the following compounds which might be the unknown

247. chemistry

A student conducts this experiment and finds the boiling point of the unknown to be 80 ± 3 °C. Use the table in the Physical Properties experiment to select all of the following compounds which might be the unknown

248. calculus

lim (x^3-6)/(x^k+3) x->infinity

250. English 101

Do you like better Roger Ebert or Elvis Mitchell ? why?

251. fractions

what is 2/3 of 180/3

252. math

mr.mcmathy needs 129 seat for his 5th grade program .if the seats are arranged in ranged in rows of 10 seats ,how many rows will he need?

253. health

unhealthy fast food you can find list ingredents

254. math

you offer to do the dishes for your family for the next month .you suggest that they canpay you in one of these three ways :a.whta is the chance you will pull out a red card? b.what is the chance you will pull out an "a" card?

255. English

I forgot to include the following sentences. Thank you. 1) I can't come. I have to study for the school (?), I have to study physics for tomorrow's test, look after my brother, clean my room, go the dentist's. 2)I have already an appointment with Peter

256. Human services

Can you please explain to me what a Rite of Passage Paper is? Write a 1,400- to 1,750-word paper in which you create two modern rite of passages, one for an adolescent girl and one for an adolescent boy, that address the social demands facing adolescents

257. Science

when a cell has a specific function, it is called what?

258. physical

why should a institions have a physical activity requirements for all students?

259. science

Determineyour distance traveled and displacement if you walk 100m forward and then 35m back

261. chmistry

if the %T for a sample is 80 at 50nm, what is the value of A

262. chmistry

if the %T for a sample is 80 at 50nm, what is the value of A

263. English

What are the effects of new media technologies on youth culture? Can you give me some example where it has been good and where it has been bad?

264. algebra

is the time you take to go to the library a function of the distance to the library

265. Finance

I have been promised a \$25,000 car when i graduate in four years. If money earns 7% interest, what is my promise worth now?

266. accounting

how can I solve this problem stockholders invest \$25,000 cash in the corporation

268. History

who was alleys with Britain during the war of 1812?

269. English

Compare and contrast your abilities as an opposed to when you began your studies at your University. Using four comparatives and four superlatives within your responses, explain what has led to these changes and what changes you will make in the future?

270. math

5/7- 1/2 (1/3 + 3/7)