# Questions Asked onMay 24, 2012

1. ## Calculus

The product of 2 positive numbers is 48. find the value of the numbers if the sum of one of the numbers and the cube of the other is a minimum.

2. ## finance

Assume you are planning to invest \$5,000 each year for six years and will earn 10 percent per year. Determine the future value of this annuity if your first \$5,000 is invested at the end of the first year.

3. ## math help

"Three cards are randomly selected from a standard 52-card deck. What is the probability of getting 3 hearts or 3 numbers less than 6 (count aces as 1)?" I think the answer is 0.0645, but I'm not sure if this is right. Could someone check this? "Half of a

4. ## geometry

The vertices of a triangle are P(-8,1), Q(-6,-8), and R(4,-3) Name the vertices of the image reflected across the x-axis. my answer; P1(-8,1), Q1(-6,8), and R1(4,3)

5. ## English

1. Consider the poems, short stories, and autobiographical pieces you read from the first half of the twentieth century during this semester. How did historical events and realities affect writers who were working during this time? What common threads did

6. ## chemistry HELP plz!

The species __________ contains 16 neutrons. a. 16O b. 31P c. 34S2- d. 80Br- e. 36Cl

7. ## English

3.What internal conflicts do the characters face in The Glass Menagerie? How do these conflicts result in the overall tension that exists in the Wingfield family? Describe how Tom, Laura, and Amanda cope with their conflicts and how their conflicts connect

8. ## chemistry

In the following reaction, how many liters of oxygen produce 560 liters of carbon dioxide in the oxidation of methane, given that both gases are at STP? CH4 + 2O2 d CO2 + 2H2O

9. ## english

2. Think about the two specific stanzas that the blues singer sings in “The Weary Blues.” What happens in each of the stanzas? How does the contrast between the two songs reinforce the overall theme of the poem?

10. ## geometry

"draw a trapezoid whose parallel sides measure 1 inch and 1 1/2 inches. find the lenght of the midsegment." show me how to do it and the answer

2. Consider two countries, Home and Foreign. Assume that Home is labor-abundant while Foreign is land-abundant. Also suppose that there are two industries, wine and cheese, with wine being the more labor-intensive industry. a) Suppose that both wine and

This is a 100 question hw sheet and I have answered all but i am unsure about a few please help!!! 8. Which of the following statements about when the Fed increases the reserve requirement is correct? A. Interest rates go down. B. Banks have more money to

13. ## geometry

Use formulas to find the lateral area and surface area of the given prism round to nearest whole number Believe height 4m and base on side 7m, front 29m, other end 7.28m possible answers; 472m^2;486m^2 443m62;486m^2 472m62;479m^2 443m62;500m^2 Can someone

14. ## algebra

Please explain:Simplify by removing factors of 1 explain process and exponents steps please.

15. ## Algebra 2:)

A pizza place sells five topping pizzas with the following options. Crust: Classic, Crispy Toppings: Extra cheese, pepperoni, sausage, onions, banana peppers, jalapenos, tomatoes, fresh herbs, mushrooms, black olives What is the probability that a customer

16. ## physics

current through a device is 0.30 A, and the resistance in the device is 40 Ù. How many 1.5 V batteries are required to run the device

17. ## Physics

each resistor in the circuit shown is 5.0 Ù, and the battery is 12.0 V, what does the second ammeter (A2) read?

18. ## English

4. What do the pieces you read by Richard Rodriguez, Amy Tan, and Julia Alvarez illustrate about the immigrant experience in twentieth-century America? How are the children in these works different from their parents? Use specific examples from the text in

19. ## English

1. Consider the events of the poem “Life Is Fine.” Based on what happens, what is the overall mood of the poem? How does the poet use rhythm to convey that mood? Support your answer with specific examples from the poem.

20. ## Chemistry

2 Fe (s) + 6 HCl (aq) -> 2 FeCL3 (s) + 3 H2 (g) 12.2 grams of Fe reacts with excess of HCl. how many grams of FeCl3 will be produced?

21. ## Chemistry

2 Fe (s) + 6 HCl (aq) -> 2 FeCL3 (s) + 3 H2 (g) How many liters of H2 would be formed if 200 g of Fe completely reacted with HCl at 40 degrees Celsius and 1.5 atm?

22. ## physics

A glass bulb with radius 15 cm is filled with water vapor at a temperature of 500 K. On the exterior of the bulb a spot with area 2.0 mm^2 is placed in contact with liquid nitrogen. This causes the temperature of the spot to drop well below 0◦C. When the

23. ## Chemistry

2 Fe (s) + 6 HCl (aq) -> 2 FeCL3 (s) + 3 H2 (g) Given 16 g of HCl and 10g Fe react with how many grams of FeCl3 are produced (limiting reactant)?

The square chessboard has an area of 196 square inches what is the length on inchesof one side of the chess board

25. ## Chemistry

HELP! :) Consider the following reaction: 3A to 2B The average rate of appearance of B is given by deltaB divided by delta t. Comparing the rate of appearance of B and the rate of disappearance of A, we get Delta B divided by Delta t= ___* (-delta A

26. ## geometry

The length of the hypotenuse of a 30, 60, 90 triangle is 7 how do you find perimeter?

27. ## Chemistry

Is there a net ionic equation for Ca(NO3)2 and K2CrO4?

28. ## Chemistry

Explain what causes pressure in a container.

29. ## Consumer math !!!! please check

Determine the total in Dexter's account after the second month using the information below. Dexter Banler's account Principal: \$1,604 Rate: 10% compound Length of period: month >\$3208.00 \$1764.40 \$1630.85 3. Ray Sugar's account Principal: \$1,700 Rate: 9.5%

30. ## Algebra

A pizza place sells five topping pizzas with the following options. Crust: Classic, Crispy Toppings: Extra cheese, pepperoni, sausage, onions, banana peppers, jalapenos, tomatoes, fresh herbs, mushrooms, black olives. What is the probability that a

31. ## Physics

An object moving in the positive x direction went from a velocity of 2.5 km/s to a velocity of 8.0 km/s in 6.2 seconds. What's the object's average acceleration?

32. ## financial reports

The assets division should contain what accounts?

33. ## Algebra 2

An ice-cream parlor sells sundaes with 3 different types of ice-cream and 4 different toppings. They have 8 flavors of ice-cream and 10 toppings for their customers to chose from. what is the probability that a customer orders a sundae including the

34. ## calculus

An airplane's velocity with respect to the air is 580 miles per hour, and its bearing is 332 degrees. The wind, at the altitude of the plane, is from the SW and has a velocity of 60 mph. What is the true direction of the plane, and what is the speed with

35. ## Finance for Buisness

The target capital structure for QM Industries is 42% common stock, 12% preferred stock, and 46% debt. IF the cost of common equity for the firm is 18.9%, the cost of preferred stock is 9.2%, the before-tax cost of debt is 8.4%, and the firm's tax rate is

36. ## algebra 2

find the exact value using the unit circle cos 3.14/6

37. ## chemistry/physics

A glass bulb with radius 15 cm is filled with water vapor at a temperature of 500 K. On the exterior of the bulb a spot with area 2.0 mm^2 is placed in contact with liquid nitrogen. This causes the temperature of the spot to drop well below 0◦C. When the

38. ## Algebra 1B

it took a small plane 3 hours more to fly 475 miles against the wind than it took the same plane to fly the same distance with the wind. the rate of the wind was 15 mph find the rate of the plane in calm air

39. ## geometry

what is the surface area of a rectangle that is 14 ft. long, 9 ft. wide, and 10 ft. tall

40. ## geometry

Kristen lives directly east of the park. The football field is directly south of the park. The library sits on the line formed between Kristens home and the football field at the exact points where an altitude to the right triangle formed by her home, the

41. ## physics

The density of an unspecified material is 3.27 g/cm (cubed) . if the mass of a block of this material is 10.9kg, what is the volume of the block in cubic meters? A Wooden block is pulled to the right across a level surface at a constant velocity by a force

42. ## Chemistry

What is the pH of a solution in which the hydroxide ion concentration is equal to 9.1 x 10^-2 moles/liters. A Acid B Basic C Neutral D Neither

43. ## Chemistry

In the reaction between zinc and sulfuric acid, how many grams of sulfuric acid are required to produce 1.0 grams Hydrogen. A 1.0 B 2.0 C 49 D 98

A 65 kg bungee jumper leaps from a bridge. She is tied to a bungee cord that is 11m long when unstretched, and falls a total of 30m . Part a) Calculate the spring constant of the bungee cord assuming Hooke's law applies. part b)Calculate the maximum

45. ## chemistry

A glass bulb with radius 15 cm is filled with water vapor at a temperature of 500 K. On the exterior of the bulb a spot with area 2.0 mm^2 is placed in contact with liquid nitrogen. This causes the temperature of the spot to drop well below 0◦C. When the

A computer repair shop charges a flate rate of 50\$ plus \$35 per hour spent repairing each computer. LEt h be the number of hours spent repairing a computer. Use function notation to write an equation that gives the total charges for repairing a compujter

47. ## Art

Writeacher,could you please check if all these sentences are possible? 1) I’m sure he didn’t rob the bank. He can't have robbed the bank He couldn't have robbed the bank . (is this possible?) 2) I’m certain he stole the ring He must have stolen a

48. ## Chemistry

2 Fe (s) + 6 HCl (aq) -> 2 FeCL3 (s) + 3 H2 (g) What is the mole ratio of Fe reacted to FeCl3 produced?

49. ## math

a drawer contains 2 red socks, 5 white socks, and 6 blue socks. without looking, you select a sock at random, replace it, and selecct a second sock at random. what is the probability that the first sock is blue and the second sock is red?

50. ## Maths

An irregular octagon R has vertices 6, 2), (2, 6), (−1, 5), (−5, 1), (−6, −2), (−2, −6), (1, −5) and (5, −1). Using standard notation, write down the elements of the symmetry group S(R) of R, giving a brief description of the geometric

Which of the following statements about the money invested in a traditional IRA account is correct? A. It isn’t taxed until it’s withdrawn. B. It’s subject to double taxation. C. It’s taxed as you make deposits. D. It isn’t taxed.

The contrarian approach to investing is best illustrated by A. staying out of the market no matter what experts are saying. B. always buying when others are selling. C. investing in mutual funds, contradicting the idea that investing in individual stocks

53. ## English - Poetry

I'm doing a Tritina style poem for my English class and I'm doing the envoy now but I'm not sure how I could use the 3 words: twinkle/twinkling, rosy, and sleepy. And it has to relate to babies and the bond between them and their mothers and emotional

pow 13 phone flub Alondra forgot Melissa's phone number. She did remember that the first three digits were 357- and that all the rest of the digits in the phone number were 2's and 9's and 7's. Alondra is determined to get in touch with Melissa. I'll just

55. ## Chemistry

Which has the higher vapor pressure, acetone or octane?

56. ## algebra 2

Find the value of the annuity. a=8000 I=0.09 n=20

57. ## Chemistry

given 9.5 g of KBr (molar mass is 119 g/mol) dissolved in water to make a 175 mL solution, what would the molarity be?

58. ## Year 11 English

Imagine you are the director of Rabbit-Proof Fence. Using what you have learned so far, how would you instruct the camera operator to help you communicate: a) how the girls are feeling during their walk home? b) how vast and empty the landscape is within

59. ## Pre-Calculus

What is the inverse of matrix C, to the nearest hundredth? 10 -6 C= -12 2

60. ## Social studies

In the book bull running what was Lilly moellys summery of her story

61. ## Phsyics

A 75 kg student stands at the top of a 30 m tall building. How much gravitational potential energy does this student possess?

62. ## Pre-Calculus

Find the inverse of matrix A. .6 -2 A= 6 -18

63. ## Pre-Calculus

What is the inverse of matrix A, to the nearest tenth? -2 7 A= 6 -8

-2x+7+9x-4

65. ## algebra 2

Find the value of the annuity. a1=8000 I=0.08 N=20

66. ## Chemistry

Describe the density and compressibility of solids versus liquids and gases.

67. ## Chemistry

Using the ideas of the kinetic molecular theory, explain why it would be very dangerous to put a can of hairspray in a hot oven.

68. ## finance

A corporation has a total of \$500 million and 100 million shares outstanding. It's ROE is 15%. Calculate the EPS. I know the EPS= ROE x Book value per share How do I find the book value

69. ## Chemistry

What happens to the volume of a latex balloon when it flies to high altitudes (assuming temperature is somewhat constant)?

70. ## finance

An investor estimates that next year’s sales for New World Products should amount to about \$75 million. The company has 2.5 million shares outstanding, gener- ates a net profit margin of about 5% , and has a payout ratio of 50% . All figures are expected

71. ## Maths B

Charlotte received a score of 68 on both her English and Maths tests. The mean for English was 52 and the mean for Maths was 55. The standard deviations for English and Maths were 10 and 8 respectively. In which subject did Charlotte perform better?

72. ## biology

In rabbits, there are four different versions of the gene for coat color. What pattern of inheritance is this?

73. ## Parabolas in standard form!

Hello, I am having the worst time trying to solve these parabolas and putting them into x-h = a(y-k)^2 form. :( There are two problems that i keep doing something wrong. could someone solve them so I can have a set up for the rest of my problems? :)

74. ## Chemistry

Convert from 5.6 moles of Cl2 (g) to liters at STP

75. ## Health

Writeacher, I need you help to rephrase and answer a question on the use of children in advertising. 1) I need to rephrase this: “ Advertisers want to reach into the hearts and minds of the people who are watching the ads. Today’s washing powders

76. ## Chemistry

Give the major ideas of the kinetic molecular theory.

77. ## Algebra 2

An ice-cream parlor sells sundaes with 3 different types of ice-cream and 4 different toppings. They have 8 flavors of ice-cream and 10 toppings for their customers to chose from.what is the probability that a customer orders a sundae including chocolate

78. ## Chemistry

A sample of O2 (g) occupies a volume of 3.0 L at 700 mmHg, calculate its volume at 375mmHg.

79. ## Mathematics

(a)A loan of 12 000 was borrowed from a bank at 14% per annum Calculate (i) The interest on the loan at the end of the first year (ii) The total amount owing at the end of the first year A repayment of \$ 7 800 was made at the start of the second year.

80. ## english

how are these words alike and add more.. AMERICAN, UNITED STATES, ENGLISH,PAGE HIGH SCHOOL

81. ## algebra

Please Explain: Simplify by removing factors of 1 1875v^10y^10/45v^4y^4 and explain exponents step if possible.

83. ## Physics

A hanging mass, M1 = 0.78 kg, is attached by a light string that runs over a frictionless pulley to a mass M2 = 1.48 kg that is initially at rest on a frictionless table. Find the magnitude of the acceleration, a, of M2 in m/s^2.

84. ## programming

write the pseudocode for a program to the wages of salesman according yo the following rules the wages is calculated at a rate 15%of sale if the salesman has been with the company more than three year he has loyalty bonus of 10%of his calculated wages.

85. ## ALGEBRA

An oil-drilling company knows that it costs \$28,000 to sink a test well. If oil is hit, the income for the drilling company will be \$445,000. If only natural gas is hit, the income will be \$145,000. If nothing is hit, there will be no income. If the

86. ## math

Brandon received a book for his birthday and read thirty-six pages in 3 hours. Later, he read fifty-two pages in 4 hours. Does his reading follow a direction variation? Explain

87. ## math

Gustav is using front-end estimation. In estimating seventy-two point nine three minus thirty-two point zero seven, Gustav follows the steps below. Where did he go wrong? Step 1: seventy-two minus thirty-two equals forty Step 2: zero point nine three minus

88. ## physics

A crate of oranges slides down an inclined plane without friction. If it is released from rest and reaches a speed of 4.476 m/s after sliding a distance of 2.33 m, what is the angle of inclination of the plane with respect to the horizontal?

89. ## math

solve the inequality j/-3 < -3

90. ## Health

The 2010 Dietary Guidelines for Americans recommends that in managing one’s weight, a person should balance calories with…? A. Healthy eating B. Physical activity C. Educating oneself about health and wellness D. Community involvement c

91. ## english

I need to write my own myth for my english assesmment! But i don't know a storyline! Can somebody please give me an idea??

92. ## math

6. Determine the domain and range for each function given. Explain where any restrictions come from. a. f(x)= sqrt x + 5 – 4 b. f(x) = 1/2x^2 – 32 c. f(x) = 4/x^2 + 1

93. ## math

7. Determine the inverse of each relation given. a. f(x) = 1/x-2 + 3 b. f(x) = 2(x – 4)^2 + 5

A 16kg sled starts up a 28 degree incline with a speed of 2.4m/s . The coefficient of kinetic friction is = 0.27. part a)How far up the incline does the sled travel? part b)What condition must you put on the coefficient of static friction if the sled is

95. ## physics

A block is pulled to the right across a alevel surface at a constant velocity of a horizontal force of 16 newtons. what is the coefficient of kinetic friction between the block and the surface?

96. ## physics

A car is coasting to a stop. The total drag (frictional Forces) on the 200kg car equal 2000N. 1. What is the acceleration of the car? 2. How far does it travel before comming to a stop?

97. ## Physics

An engine block of mass M is on the flatbed of a pickup truck that is traveling in a straight line down a level road with an initial speed of 25 m/s. The coefficient of static friction between the block and the bed is μs = 0.566. Find the minimum distance

98. ## Physics

A sign weighing 10N hangs from two ropes. Each rope is 45 degrees from the horizontal. 1. What is the tension in each rope?

99. ## physics

A Block has a mass of 50.0 kilograms. the coefficient of static friction between the block and the level floor on which it rests is 0.428 A horizontal force of 618 newtons is applied to the block to the right, as shown. will the block move?

100. ## math

area of a nonagon with a perimeter of 126in

101. ## Geometry

Find the distance between the given points. (2, 7, −10) and (11, 4, 0)

102. ## geometry

Find the area of a regular pentagon with a side of 6ft. answer nearest tenth

103. ## Ellipse equation?

(x-2)^2 / 49 + (y+1)^2 / 25 = 1 a.) what are the vertices? b.) What are the major and minor axises? I always have troubling understanding how to find these. :( Any help is greatly appreciated!

104. ## math

Last year, the personal best high jumps of track athletes in a nearby state were normally distributed with a mean of 229 cm and a standard deviation of 19 cm. What is the probability that a randomly selected high jumper has a person best between 229 and

105. ## law

how you would orchestrate one of the following types of white-collar crimes: Bait and switch Telemarketing fraud Ponzi scheme

This is a 100 question hw sheet and I have answered all but i am unsure about a few please help!!! 8. Which of the following statements about when the Fed increases the reserve requirement is correct? A. Interest rates go down. B. Banks have more money to

107. ## Algebra

According to a poll conducted in a company, 47% of the employees regularly use the internet while at work. You conduct a similar survey at your mother's office where there are 250 respondents. What is the probability you find between 102 and 117.5

108. ## Integral Calculus

Trying to find ∫x*arctan(x)dx, but I can't figure out what do to after: (1/2)x^2*arctan(x)-1/2∫x^2/(x^2+1) dx

109. ## Physics

What coefficient of friction is required to stop a hockey puck sliding at 12.8 m/s initially over a distance of 66.5 m?

110. ## Math

How would probability help a store owner keep the correct quantity of each flower in the store?

111. ## Algebra; Help immediately.

The height of a ball that was batted into the air at 160 feet per second is a function of t, the time in seconds after the ball was hit. The height is determined by subtracting 16 times the square of t from 160 times t. Which equation can be used to find t

112. ## physics

prove that when a plane mirror is rotated through any angle, the reflected ray is rotated through twice that angle.

113. ## physics

what are the factors affecting radar in field role?

114. ## physics

define TQP and RCT.

115. ## Physics

Compute the torque about the origin of the gravitational force F = −mg acting on a particle of mass m located at r = x + y. (Use the following as necessary: m, g, x, and y). Torque = F (cross) r Please help

asked by Tried, but to no avail
116. ## Calculus

1. Find a unit vector which is perpendicular to both of the vectors m=[4, 2, -3] and n=[2, -3, 1]

117. ## algebra 2

Renee belongs to a bowling club. She scores 50, 52, 55, and 59 on her first four games. She hopes to continue improving according to this pattern. Part A: What are the next four terms in Renee’s sequence? Part B: Write an recursive function rule for the

118. ## Calculus

2. Give that the vectors u=[2, t, -4] and v=[1, -3, t-4] are perpendicular, find the value of the constant, t.

119. ## Calculus

3. Determine that the vectors u=[t, 4, 2t+1] and v=[t+2, 1-t, -1] are perpendicular, find the possible values of the contant, t.

120. ## Astronomy

Give at least two pieces of evidence in the Preview chapter that contradict the belief that the universe is less than 10,000 years old.

121. ## math

darius drinks 1 1/2 cups of water three times a day. how many cups of water does darius drink per week

122. ## life orientation

ways in which human or environment can impact on the community

123. ## math

Chandra borrows some money at 7.2%/a compounded annually. After 5 years, she repays \$12 033.52 for the principal and the interest. How much money did Chandra borrow?

124. ## PsyDAG homework check

The monthly rents for the apartments in a building are listed below. \$425, \$550, \$550, \$550, \$650, \$650, \$650, \$650, \$800, \$900 Part A: Find the mean\$637.50 median=\$650 mode=\$650 range=\$475 and standard deviation of the rents????

1-trabajaba 2- iban 3-teniamos 4- era 5-cuidaban 6- jugaba 7- nos divertiamos. complete the paragragraph. Cuando yo------ chica,mi vida era muy diferente.Yo nunca----,solo-------con mis amigos. Mis padres-----al trabajo y mis abuelos me-----.Nosostros no

126. ## geometry

R =(cos0 -sin0) (sin0 -cos0) State the matrix R for 0=120 degrees NB 0 represents theta

127. ## writing

how could bad therapeutic communication affects a patients outcome?

128. ## geometry

The points A=(1,1) B=(3,4) connects to point C (3,1). a. Find the length of AB b. The gradient and equation of line AB

129. ## Art

I urgently need you to revise these sentences. Thank you very much. 1) In the past when adverts came on TV the majority of people used to turn down the volume or to switch channels (or switch over to another channel). However, they don’t do this now. 2)

130. ## geometry

The towns A and B are on the circle of latitude 24 degrees N.The longitude of A is 108degrees E and longitude B is 75 degrees E. a. Calculate the radius of the circle of latitude 24 degrees N. b.The shortest distance between A and B measured along the

131. ## Introduction to Ethics& Social Responsibility

The outlawing of slavery and extending voting rights to women seem to indicate that ethics can have beneficial results. Give an example from the past that indicates a similar result or a current social policy that might be regarded as wrong, which

132. ## Math

HELP! i have no idea how to do this! A rabbit population satisfies the logistic equation dy/dx=2x10^7y(10^6-y), where t is the time measured in months. The population is suddenly reduced to 40% of its steady state size by myxamatosis. If the myxamatosis

133. ## MATH

A committee of 5 people is to be selected from student council. Council has 6 boys and 7 girls. What is the probability that the committee will have at least 3 boys? *** If you can show work that would be helpful (OPTIONAL)*** THANK YOU VERY MUCH!

134. ## MATH HELP

A committee of 5 people is to be selected from student council. Council has 6 boys and 7 girls. What is the probability that the committee will have at least 3 boys? *** If you can show work that would be helpful (OPTIONAL)*** THANK YOU VERY MUCH!

135. ## science

Which of the 6 characteristics of living things is important for a survival of species?

1. Regarding management and leadership, which statement is most accurate? A. Leaders can be good managers, and good managers can be leaders. B. Leaders aren’t managers, and managers aren’t leaders. C. Leadership and management are entirely unrelated.

137. ## algebra

Plz explain t^3-3t/t^2-64, my answer was (-6,6)and the book answer was (8,-8) HELP

138. ## Art

Could you please check these sentences, too? Thank you. 1) Unlike in the past, now people enjoy watching ads. Their objective is to show people how to defend.. They aim to show people how to defend.... (are they both possible?) 2) The use of children in

139. ## geometry

Given that P=(2,10) (5,-3) a. Evaluate the inverse P^-1, of P b. use a matrix method to solve x(2,5)+ y(1,-3) =(7,1)

141. ## math

A customer is buying a \$100 drill and two \$15 drill bit sets. The customer uses a gift card worth \$50 to pay for a portion of their bill. How much cash will the customer pay (before taxes)?

142. ## homework check plz

The monthly rents for the apartments in a building are listed below. \$425, \$550, \$550, \$550, \$650, \$650, \$650, \$650, \$800, \$900 Part A: Find the mean\$637.50 median=\$650 mode=\$650 range=\$475 and standard deviation of the rents???

143. ## Art

I left out the following sentences.Thank you very much. 1) As a matter of fact, they don’t just sell products, they sell lifestyles. They show the lives of famous people without even showing the brand they are trying to sell. 2) When the first ads came

144. ## MATH

Adrienne had a party at a local bowling alley. She spent seventy-five dollars for the lane and five dollars per person for shoes. Let c be the total cost of the lane and shoes, and let f be the number of friends at her party. Write an equation to represent

145. ## Physics

An external force F is holding a bob of mass 725 g in a stationary position. The angle that the massless rope makes with the vertical is θ = 33°. (a) What is the magnitude, F, of the force needed to maintain equilibrium in N? (b) What is the tension in

146. ## Calculus PLZ HELP!

What is the limit as x approaches infinity of a constant? Is it the constant or zero? Thanks in advance!

147. ## Physics

a truck is traveling in a straight line goes 60km in 83minutes. what is its average speed in km per hour?

148. ## physics

an object moving in the positive x direction went from a velocity of 2.5 km/s to a velocity of 8.0 km/s in 6.2seconds. what was the object's average acceleration?

149. ## physics

how do you convert 558 kelvins to degrees Celsius?

150. ## physics

Galois drove 40kilometers due west in 9hours and then drove 62kilometers due north in 5 hours. What was his dispacement? What was his average velocity?

151. ## physics

How do you find the total mass of two objects that weigh 111 newtons and 218 newtons?

152. ## MATH

A company sells cardboard that is nine and one-eighth millimeters thick. Write an equation to solve for the number of sheets of cardboard, c, in a pile that is two hundred fifty-five and one-half millimeters thick. What must be done to both sides to solve

153. ## CALCULUS!

When S is sales and t is time, and the original function is S(t), what does S'(24) and S''(24) represent?

154. ## life orientation

a clear explaination of the consequences of this human factor

155. ## naming acids and bases

how do you name acids and bases?

156. ## Math

Evaluate the logarithm log3 729

157. ## Chemistry

A reaction that has been calculated to produce 60.0 grams of Copper (II) Chloride actually produces 50.0 grams of Copper (II) Chloride. What is the percent yield? A 0.833% B 96.1% C 83.8% D 120%

158. ## math

Twenty people apply for seven jobs that are available at fly by night aircraft company 12 are men and the rest are women. How many seven person groups have exactly three men? How many of these seven person groups have exactly three men or three women?

159. ## Algebra 1

Find the axis of symmetry: y=x^2-8x-7 i got 4....am i right?

160. ## MATH

Write an algebraic expression for the following: The distance traveled over T hours at R miles

161. ## chemistry

determine the energy needed to raise the temperature of 10 grams of H2O from 25 degrees C to 75 degrees C?

162. ## Math

Samuel is researching what happens during family dinners in his town. He asks five of his friends about a typical evening. Which of the following is not true? 1)His friends are the sample. 2)The population is all families in his town. 3)He used convenience

163. ## algebra

please bear with me. i'am 58 years old and decided i wanna get my high school on line. my question is. convert the base 10 numeral in the base indicate 504 to base 10, and can i work this problem. so that i can come up with the correct answer.

164. ## Physics

A magician pulls a tablecloth out from under some dishes. How far do the dishes move during the 0.25 it takes to pull out the tablecloth? The coefficient of kinetic friction between the cloth and the dishes is = 0.14.

165. ## chemistry

determine the energy needed to cool 10 grams of H2O from 110 degrees C to -10 degrees C?

166. ## MATH

Write a two-step equation that needs the steps of addition then multiplication in order to be solved, and then solve it. Show your work.

167. ## Chemistry

You want to prepare a pH=4.50 using sodium acetate and glacial acetic acid. You have n hand 300 mL of 0.100 M sodium acetate. How many grams of glacial acetic acid should you add to prepare the buffer? (Ka of acetic acid is 1.8e-5 at: 25 degrees Celsius)

168. ## physics

Three forces are applied to a box wrench. find the total torque about the bolt in newton-meters caused by these forces. Is the torque a positive torque or a negative torque?

169. ## Chemistry

You want to prepare a pH=4.50 buffer using sodium acetate and glacial acetic acid. You have on hand 300 mL of 0.100 M sodium acetate. How many grams of glacial (water free) acetic acid should you add to prepare the buffer? (Ka of acetic acid is 1.8e-5 at:

170. ## English

2. Consider the poems of the Harlem Renaissance that you read this semester. Why does the theme of freedom play such an important role in these works? How do different poems address this theme? Cite examples and images from three Harlem Renaissance poems

171. ## physics

a 1462 kilogram block was lifeted vertically at a constant velocity a distance of 0.08 x 10(to the 6th power) meters in 5minutes. A-how much work was done? B-what was the average power consumption in watts?

172. ## chemistry kinetics

Decomposition of an organic compound A follows first order kinetics. Initial concentration of A is 2 M. If rate constant of the decomposition is 3.58 × 10^−6 min^-1 , calculate the rate after 3 hours.

173. ## physics

A female whose mass is 130 kilograms is standing on a scale in an elevator that has an initial downward velocity of 6 meters per second and is accelerating upward at 7 meters per second. What's the magnitude of the apparent weight indicated by the scale?

174. ## chemistry kinetics

The reaction SO2Cl2(g) → SO2(g) + Cl2(g) is a first order reaction carried out at constant volume at 600 K whose t1/2 is 4.1 hr. The initial pressure of SO2Cl2 is 1.25 atm. What will be the total pressure of the system after 1 hour?

175. ## chemistry kinetics

Statement-I : For an endothermic reaction, the activation energy is less than the change in enthalpy. Statement-II: Activation energy of a reaction, at a given temperature can never be greater than its change in enthalpy are these statements true? give

176. ## chemistry kinetics

1. Statement-I : Fractional order reactions are not elementary reactions. Statement-II : For an elementary reaction, order must be same as molecularity. are these statements true? give reason.

177. ## Alg 2

classify the conic section for (x+3)^2/16 - (y-5)^2/64 = 1

178. ## physics

Forces of 1,5,3, and F newtons are applied to a weightless board that rests on a fulcrum. The board doesn't rotate-what's the magnitude of the force F?

179. ## math

the design for a water storage tank calls for a radius of 19.5m and a height of 8.3m each dimension had a variability of +- 0.05m what is the minimum volume of water that the storage tank can hold what is the variability of water most possible and least

180. ## physics

Trenton struggled as he lifted a 27kg mass vertically a distance of 9 meters in 4minutes with a constant velocity. A-how much work did he do? B-What was the average power comsumption in watts?

181. ## Art

Could you please check these sentences, Writeacher? Thank you. 1) A job seeker should make a short list of the job's requirements and should keep it in his mind during the interview. In this way he can bring in examples to demonstrate that he is the right

182. ## physics

A weightless beam rests on two supports. The beam supports a weight of 120 newtons. What are the magnitudes of the forces on each end ( A & B) of the beam?

A 16kg sled starts up a 28 degree incline with a speed of 2.4m/s . The coefficient of kinetic friction is = 0.27. part a)How far up the incline does the sled travel? part b)What condition must you put on the coefficient of static friction if the sled is

184. ## physics

if the pulleys are massless and frictionless and the rope is of negligible mass, and aristotle wanted to raise the 332 newton weight to a height of 6 meters. A-find the magnitude of force F he needed to pull on the rope to move the weight upward with a

185. ## Chemistry

in the reaction of aluminium and iron (III) oxide to form iron and aluminium oxide, H-850 kJ. how many grams of aluminium oxide are formed when 350 kJ are released? 2Al(s) + Fe2O3 -- Fe(s) + Al2O3(s) H=-850 kJ

187. ## english

3. What role does freedom play in the poems you read in this unit? Write about at least three of the poems, describing how the poet uses imagery to depict freedom, the lack of it, or the desire for it.

188. ## algebra 1

Simplify removing factors of 1 y²-36/6-y

189. ## Math

on a day when the air temperature is 34 degrees celsius, a can of soft drink is taken from the fridge at a temperature of 4 degrees celsius at 2pm. Thereafter the temperature of the can satisfies the differential equation; dT/dt=0.1(34-T), where t is the

190. ## Physics

A 1.2 kg block is attached to a horizontal 23 N/m spring and resting on a frictionless horizontal surface. The block is set oscillating with amplitude 10 cm and phase constant – π/2. A 2nd block with mass 0.8 kg moving at 1.7 m/s collides inelastically

191. ## physics

a spring of spring length 5times 10 tothe power of 4 N/m,is between a rigid beam and the output piston of a hydraulic lever.an mpty container with negligable lengthsits on th input piston.the input piston has an area of Ai and the output piston has area

192. ## economics

Give two examples of price discrimination. In each case, explain why the monopolist chooses to follow this business strategy.

193. ## economics

You are hired as the consultant to a monopolistically competitive firm. The firm reports the following information about its price, marginal cost, and average total cost. Can the firm possibly be maximizing profit? If not, what should it do to increase

194. ## English

Early in the story, London writes "The animal was depressed by the tremendous cold. It knew that it was no time for traveling". This passage alerts you to possible trouble ahead. Locate four other passages that foreshadow later events. Explain the link

195. ## Year 11 Maths B

The mean mass of 35 bags of potatoes on a truck is 49 kg. Eight more bags of mean mass 53 kg are added to the truck. What is the new mean mass of the potatoes? Round your answer to the nearest whole kg.

196. ## Maths B

The following data shows the weekly sales claimed by some door-to-door salespeople selling sets of reference books: 5 8 10 7 6 3 8 12 8 3 12 15 6 8 7 5 3 18 19 15 13 14 18 24 Determine whether any of the claims should be investigated as suspicious

197. ## Maths B

Charlotte received a score of 68 on both her English and Maths tests. The mean for English was 52 and the mean for Maths was 55. The standard deviations for English and Maths were 10 and 8 respectively. In which subject did Charlotte perform better?

198. ## Math

Last year, the personal best high jumps of track athletes in a nearby state were normally distributed with a mean of 229 cm and a standard deviation of 19 cm. What is the probability that a randomly selected high jumper has a person best between 229 and

199. ## Alg 2`

what is the most simplified version of this? (x^2/x^2+2x+1)/(3x/x^2-1)