# Questions Asked onFebruary 24, 2013

1. ## math

In how many ways can the digits in the number 9,662,222 be arranged?

2. ## PHYSICS

A stone propelled from a catapult with a speed of 50m/s attains a height of 100m.Calculate:(a)the time of flight?

3. ## algebra

If a rocket is propelled upward from ground level, it's height in meters after t seconds is given by h=-9.8t^2+88.2t. During what interval of time will the rocket be higher than 137.2m? h=9.8t^2+ 88.2t I divided both sides by -9.8 which gave me t^2=-9 But

4. ## trig

sec0+ten0-1/tan0+sec0+1=1+sin0/cos0

5. ## Calculus I, differentiation

The number, N, of people who have heard a rumor spread by mass media by time, t, is given by N(t)=a(1−e−kt). There are 6 million people in the population, who hear the rumor eventually. If 5% of them heard it on the first day, find the percentage of

6. ## math

vic has a 2-pound of flour. she uses 2/5 of the flour to make pizza. she then uses 3/10 of the remaining flour to make bread. find the weight of the package of flower that she has left. express your answer as a decimal.

7. ## Statistics

Which of the following is an accurate description of Simpson's paradox? When groups of data are aggregated, an association can get stronger because of a confounding variable. That confounding variable is usually the number of observations in different

8. ## Management for Organizations

PLEASE CHECK MY ANSWERS 1. Which of the following is NOT one of Peter Drucker’s contributions to management theory? (D) The analysis of how organizations select managers, how managers act, and how organizations are structured in different units. The

9. ## english

Some people are so ____ living near a nuclear plant that they want the plant's license to be ___. They say the plant threatens ever homeowner's right to safety.

10. ## math

ricardo spends 8/9 hour reading the newspaper. He spends 1/4 of the time reading the world news and splits the remaining time equally between the sports news and the comics. How much time does he spend reading the comics?

11. ## algebra

A car rental agency charges \$250 per week plus \$0.25 per mile to rent a car. How many miles can you travel in one week for

12. ## P Value Math Statistics

Find the P-value for the indicated hypothesis test with the given standardized test statistics, z. Decide whether to reject H0 for the given level of significance a. two-tailed test with test statistic z= -1.57 and a=0.04

13. ## Grammar...

Is there an apostrophe? Her coat is different from that of her sister's.

14. ## Physics- Circuits

In a series RCL circuit the generator is set to a frequency that is not the resonant frequency. This nonresonant frequency is such that the ratio of the inductive reactance to the capacitive reactance of the circuit is observed to be 5.53. The resonant

15. ## chemistry

0.50g of mixture of k2c03 and li2c03 requires 30ml of a 0.25N HCL solution for neutralization. What is the percentage composition of the mixture? The answer k2c03 96% The answer li2c03 4% I want Bob step by step explain. I do not still understand x/69 +

16. ## physics

A metal block of mass 5kg lies on a rough horizontal platform.If a horizontal force of 8N applied to the block through its centre of mass just slides the block on the platform,then the coefficient of limiting friction between the block and the platform is

Determine which sampling method was used in each scenario. on a particular day 5 flights are selected at random and all of the passengers on these 5 flights are screened. Airport security uses a random number generator to determine the next passenger to

18. ## Physics

The coil of wire in a galvanometer has a resistance of RC = 78.0 Ù. The galvanometer exhibits a full-scale deflection when the current through it is 0.440 mA. A resistor is connected in series with this combination so as to produce a voltmeter. The

19. ## Physics

Two scales on a voltmeter measure voltages up to 20.0 V and 27.0 V, respectively. The resistance connected in series with the galvanometer is 1680 Ù for the 20.0-V scale and 2930 Ù for the 27.0-V scale.

20. ## Chem

CH4(g)+2O2 arrow CO2(g)+2H2O(1) delta H=-890.3kJ. Calculate delta Hwhen 5 grams of methane react with an excess of oxgen?o i just divide Delta H by 5?

21. ## statistics

how to find the target cf when using the formula for score at a given percentile ?

22. ## Physics

A non-conducting ring of radius with a uniform charge density and a total charge is lying in the - plane, as shown in the figure below. Consider a point P, located at a distance from the center of the ring along its axis of symmetry. (a) What is the

23. ## Physics

There is a very large horizontal conducting plate in the plane (consider it infinitely large). Its thickness is . The charge densities on the upper and the lower surfaces are both equal to . The goal of this problem is to find the electric field (magnitude

24. ## Coding and billing

This 82 year old female was admitted for acute exacerbation of chronic obstructive pulmonary disease the progress notes I dictate that the patient received a transfusion for anemia the discharge diagnoses state acute exacerbation of chronic obstructive

25. ## physics

A document ys to be reproduced using a duplicating camera where should the document be placed in order to obtain an exact copy

26. ## English

1. Dialectical poetry is poetry that a uses a unique rhyme scheme and meter. b has fourteen lines and uses iambic pentameter. c uses language that is specific to a geographic location. d is based on symbols that represent opposite extremes. 2. Which of

27. ## Physics

A uniform ladder of 5.0 m long and 12 kg is leaning against the wall (contact with the wall = point b, contact with the floor = point a). The height from the ground to point b is 4m . The wall is frictionless but the floor is not. A painter of 55 kg climbs

28. ## Physics

As a crude model for lightning, consider the ground to be one plate of a parallel-plate capacitor and a cloud at an altitude of 590 m to be the other plate. Assume the surface area of the cloud to be the same as the area of a square that is 0.50 km on a

29. ## Physics

A parallel-plate capacitor is made from two aluminum-foil sheets, each 3.90 cm wide and 10.3 m long. Between the sheets is a mica strip of the same width and length that is 0.0225 mm thick. What is the maximum charge that can be stored in this capacitor?

30. ## English

William Wordsworth’s poems “Lines Composed a Few Miles Above Tintern Abbey,” “The World is Too Much with Us,” and “I Wandered Lonely as a Cloud.” How are these poems representative of the Romantic Period? I don't understand this question. Any

31. ## chemistry

how is it possible for the same element to be oxidized in one reaction and reduced in another?

32. ## physics

You are working in an ice skating rink and have been asked to hang a new banner on the wall. Your friend is helping you so that the ladder does not collapse by exerting a force FAL at an angle relative to the horizontal. how do you set this up?

33. ## AP Chemistry

A very old and tired , grey haired AP Chem instructor wanted to determine the Ka of an unlabelled monoprotic acid in his stockroom. He dissolved an unknown amount of acid in an unknown amount of water and proceeded to titrate the sample with a solution of

34. ## Algebra II

2y^11/3+8y^8/3-10y^5/3=0

35. ## statistics

Accuracy of price scanners at Wal-Mart. The National Institute for Standards and Technology (NIST) mandates that for every 100 items scanned through the electronic checkout scanner at a retail store, no more than 2 should have an inaccurate price. A recent

36. ## Math

find the slope of a line that is parallel to the graph of the equation y=x+3?

37. ## Chemistry H

If the pressure on the surface of water in the liquid state is 30 kpa, the water will boil at... 0, 30, 70, or 100 degrees c?

38. ## math

Assume the car can be purchased for 0% down for 60 months (in lieu of rebate). A car with a sticker price of \$42,500 with factory and dealer rebates of \$5,100 (a) Find the monthly payment if financed for 60 months at 0% APR. (Round your answer to the

39. ## Physics

There are two conducting concentric hollow spheres of outer radii and ( ). The thickness of the material of both spheres is . The inner sphere is negatively charged with charge density . The larger sphere is positively charged with charge density . (a)

40. ## physics 2

A tank circuit in a radio transmitter is a series RCL circuit connected to an antenna. The antenna broadcasts radio signals at the resonant frequency of the tank circuit. Suppose that a certain tank circuit in a shortwave radio transmitter has a fixed

41. ## Algebra

What is the value of b in the triangle shown below? the trianle they show is a right triangle and the length shows 3b...the width just shows b...and the inside says 24 in^2 A.–4 in B.4 in C.±4 in D.no solution I think i is B..but its a guess..?

42. ## English

What's does mrs. Johnson represent in a raisin and a sun

43. ## Physics

A bungee jumper with mass 69.7 kg jumps from a high bridge. After reaching his lowest point, he oscillates up and down, hitting a low point eight more times in 39.0 s. He finally comes to rest 25.0 m below the level of the bridge. Calculate the spring

44. ## maths-ARITHMETIC PROGRESSIONS

A person buys a refrigerator for rupees 12000. He pays rupees 6000 in cash and agrees to pay the balance in 12 annual instalments of rupees 500 each. If the rate of interest is 12% and he pays it with instalments on the unpaid amount, how much did the

45. ## Chemistry

In determing the simplest formula of lead sulfide, 2.46 grams of of lead are placed in a crucible with 2.00 grams of sulfur. when the reaction is complete, the product has a mass of 3.22 grams. What mass of sulfur should be used in the simplest formula

46. ## ENGLISH

If we united we will stand if we divide we fall. If we will fall what happen to us?

47. ## Calculus

F(x)= ln ((3t + 1)^4 / (2t + 1)^3) F'(x)=

48. ## Chemistry

Suppose u place a beaker containing a solution in the refrigerator. An hour later, white solid found at thr bottom of beaker, wat hapoened? Why?

49. ## life orientation

what 5 basic condition of employment act applies with regard to the contravention

influence of recent global event on tourism

51. ## algebra

4y^3-4y^2+3-y

52. ## maths

find the length of a wire required to fence the rectangular field 200m x 150m and also find the cost of fencing at Rs.10/m?

53. ## physics

At what angle to the horizontal must the nozzle of a machine gun be kept when firing to obtain a maximum horizontal range for the bullet(show your working)

54. ## Physics

A child throws a ball with an initial speed of 8.00 m/s at an angle of 40.0° above the horizontal. The ball leaves her hand 1.00 m above the ground. What is the magnitude of the ball's velocity just before it hits the ground?

55. ## algebra

find the domain of each rational expression each polunomial must be fully factored and that you can only cancel factors you can not cancel terms. x^2-49 over 2x-1 and x^2-14+49 over 1-2x

56. ## mechanics

Sketch a stress-strain curve for glass and label all the points of interest and different regions of the curve.

57. ## mechanics

A mild steel bar of length 10cm and width of 10mm is extended by 0.01 mm. Which of the following is equal to the change in width of the bar.(The Poisson's ratio of mild steel is 0.31) A 3.1x10-4mm B -3.1x10-4mm C 3.1x10-5mm D -3.1x10-5mm

58. ## Physics -Conservation of Momentum-

1) A 1 kg mass moving at 1 m/s has a totally inelastic collision with a 0.7 kg mass. What is the speed of the resulting combined mass after the collision? 2) A cart of mass 1 kg moving at a speed of 0.5 m/s collides elastically with a cart of mass kg at

59. ## Physics

The “Giant Swing” ride consists of a vertical shaft with a number of horizontal arms attached at the top as shown. A rigid cable 5.0 m long connects a seat to the arm at a point 2.0 m from the center shaft. When the ride reaches its full speed, the

60. ## math

Write 1/64 as a decimal and as a percent to the nearest whole percent

61. ## Physics

Let U=(13i3−i). What is U†? Explicitly indicate multiplication with a * symbol. For instance, you should write 3*i+2 instead of 3i+2.

62. ## Physics

Which of the following pairs of quantum gates commute? Select all that apply. (Gates A and B commute if and only if for any input applying A and then B gives the same results as applying B and then A. This is the same as saying that the unitary

63. ## Physics

Alice and Bob share a state a|++⟩+b|−−⟩, where the first qubit is Alice's and the second qubit is Bob's. Alice measures her qubit in the standard basis and sends the measurement outcome to Bob. If Bob wants a|+⟩+b|−⟩, what gate does he apply

64. ## edu

Rosa is a newborn. As she grows, which will she learn to control last? A. Her fingers B. Her hands C. Her arms D. Her head ... Is the correct answer (D.)her head

65. ## Algebra

Mr. Rodney's English class is made up of 28 students. He has 6 ESL students, 10 remedial students, and 5 advanced learners. ESL students make up 1/5 of the remedial students and 3/5 of the advanced learners. 1. What is the probability that a student is ESL

66. ## Physics

A 0.149-kg baseball is pitched a 40 m/s. The batter hits it horizontally to the pitcher at 56 m/s. Find the change in momentum of the ball. If the ball and bat were in contact 4.2 multiplied by 10-4 s, what would be the average force while they touched?

67. ## Math

The number, N, of people who have heard a rumor spread by mass media by time, t, is given by N(t)=a(1−e−kt). There are 6 million people in the population, who hear the rumor eventually. If 5% of them heard it on the first day, find the percentage of

68. ## Calculus

The number, N, of people who have heard a rumor spread by mass media by time, t, is given by N(t)=a(1−e−kt). There are 6 million people in the population, who hear the rumor eventually. If 5% of them heard it on the first day, find the percentage of

69. ## Chemistry

Q1: You wish to prepare a buffer solution with pH = 11.10. What volume of 6.0 M HCl would you add to 500 mL of 0.10 M (C2H5)2NH to prepare the buffer? You may assume that the solution’s volume remains constant. Q2: What is the resulting pH when 20 mL of

70. ## Algebra II

A rock is thrown upward with a velocity of 28 meters per second from the top of a 36 meter high cliff, and it misses the cliff on the way back down. When will the rock be 9 meters from the water below. Round to two decimal places.

71. ## Introduction to Accounting

Payment of a telephone bill represents an increase in a/an: A. Asset B. Expense C. Liability D. Revenue My answer:B. I'm I correct?

72. ## Algebra II

(z^2+6z)+14(z^2+6z)+45=0

73. ## Gen Math

A school dance has 228 students. There are 63 fewer girls than twice as many boys. How many boys and girls attended the dance?

74. ## statistics

In a normal distribution with mu = 25 and sigma = 3, what number corresponds to z = -3? is it 16, 18, or 20

75. ## Diff eq

y'(x)=sqrt2y(x)+7, y(4)=1 Solve the seperable diff eq

76. ## Chemistry

A very old and tired , grey haired AP Chem instructor wanted to determine the Ka of an unlabelled monoprotic acid in his stockroom. He dissolved an unknown amount of acid in an unknown amount of water and proceeded to titrate the sample with a solution of

77. ## Honors Application

I am filling out an Honors application for English/History and one of the questions asked why do I wish to take this course.. any ideas? Thanks My ideas are: I want want to take this course because I want to take a class that is a bit more advanced than

78. ## MATH

An arithmetic student needs at least a 70% average to receive credit for the course. If she scored 86%, 77%, and 64% on the first three exams, what is the lowest score she can get on the fourth exam to receive credit for the course?

79. ## MATHS -SALES TAX -plse URGENT-

a shopkeeper buys an article at a discount of 15% on the printed price. after charging a sales tax of 5% on the printed price, he sells the article at rs.630. find the profit

80. ## science

Using the equation: work = force x distance tell me how much work is done when a boy applies 5 Newtons of force over a distance of 2 meters. A)10 Watts B)10 Joules C)10 Amps D)10 Newtons

81. ## Physic

A stone 817kg has an 91.9 acceleration. What's the net force

82. ## Chemistry

Q1: You wish to prepare a buffer solution with pH = 11.10. What volume of 6.0 M HCl would you add to 500 mL of 0.10 M (C2H5)2NH to prepare the buffer? You may assume that the solution’s volume remains constant. Q2: What is the resulting pH when 20 mL of

83. ## Math Helppp

The College Board, which are administered each year to many thousands of high school students, are scored so as to yield a mean of 550 and a standard deviation of 100. these scores are close to being normally distributed. what percentage of the scores can

84. ## chemistry

Consider a mixture of the two solids BaCl2 * 2H2O (FW=244.26 g/mol) and KCl (FW=74.551 g/mol). When the mixture is heated to 160 C for 1 hour, the water of crystallization is driven off: BaCl2 * 2 H2O (s)  BaCl2(s) + 2 H2O(g) A sample originally

85. ## Math

A Scale Drawing of a rectangular field is 10 centimeters by 8.5 centimeters. If the actual field has dimensions of 40 meters by 34 meters, which could be the scale used for the drawing?

86. ## biology urgent

In mice, a gene controlling coat colour has 2 alleles; B (black) and b (white). A pure breeding black mouse is crossed to a white mouse and all the offspring are black. The offspring are then crossed to white mice. The phenotypes of the offspring of this

87. ## The Lovely Bones

If anyone has read this novel could you please explain 2 things to me. 1) Is Ruth Connors able to see the dead? Like when she moves to NYC she writes about all the murdered women she finds. How does she go about doing that? Can see she Susie too? 2) How is

88. ## Art History

What may have been one cause for the relative lack of artistic production in Florence during the High Renaissance (after the death of Lorenzo), and the relative increased artistic production in Rome during this period?

89. ## biology

In a chorus of male frogs of one species, which would be considered by evolutionary biologists to be the fittest? The biggest frog. The frog that has the most descendants. The frog with the largest territory. The loudest frog. The frog that attracts the

90. ## ibnozohr

A point charge Q1=−2 μC is located at x=0, and a point charge Q2=+8 μC is placed at x=−0.5 m on the x-axis of a cartesian coordinate system.The goal of this problem is to determine the electric field, E⃗ (x)=E(x)xˆ, at various points along the

91. ## Math

There are 24 hours in each day.there are 7 days in one week how many hours are there in a week?

92. ## Chemistry

4Fe + 3O2 = 2Fe2O3 So in math book it say " You can interpret this equation in terms of representative particles by saying that four atoms of iron react with three molecules of oxygen to produce two formula unit of iron(iii) oxide" Why it say that there

93. ## algebra

use distributive property to factore each expression 42q - 21

94. ## Calculus

Use logarithmic differentiation: F(x)= (3x+6)^4 (x^3 -2)^5

95. ## mat/116

Hi I need help graphing this linear inequality. y

96. ## biology

Describe human dispersal, animal dispersal- eating, hook on fur and bursting. Also how they are adapted.

97. ## us history

How did the Supreme Court rule on the Indian Removal Act? is it Jackson's order to move the Indians west was unconstitutional. or The Indian Removal Act was unconstitutional.

98. ## physics

A box of books weighing 350 N is shoved across the floor of an apartment by a force of 460 N exerted downward at an angle of 35.0° below the horizontal. If the coefficient of kinetic friction between box and floor is 0.57, how long does it take to move

99. ## math

I need step by step explanation of the following problem. Using the lever system equation F1x=F2(d-x)solve the following problem: A screwdriver 9 in. long is used as a lever to open a can of paint. The tip of the screwdriver is placed under the lip of the

100. ## physics

A box of books weighing 350 N is shoved across the floor of an apartment by a force of 460 N exerted downward at an angle of 35.0° below the horizontal. If the coefficient of kinetic friction between box and floor is 0.57, how long does it take to move

101. ## Physics

A pond is 12 metres across. The crests of two successive waves are 60.0 cm apart and they each move across the pond in 15 seconds. a)What is the velocity of the waves? b)What is the frequency of the waves? c)What is the period of the waves?

102. ## maths

the class-marks of classes in distribution are 6,10,14,18,22,26,30.find (a)class size (b)lower limit of second class (c)upper limit of last class (d)third class Explain in detail.

103. ## PHYSICS

The antenna broadcasts radio signals at the resonant frequency of the tank circuit. Suppose that a certain tank circuit in a shortwave radio transmitter has a fixed capacitance of 1.8 x 10-11 F and a variable inductance. If the antenna is intended to

104. ## Math

one satellite radio service charges \$10.00 per month plus an activation fee of \$20.00. a second service charges \$11.00 per month and an activation fee of \$15.00 for what number of months is the cost of either service the same?

105. ## Physics

A 1200-kg automobile is stolen by the notorious Physics joyriders known as “the centripetal gang”. The gang tests their grasp on Newtonian physics by cruising around a banked circular track of radius 1025 m. From previous ‘experiments’ the gang has

106. ## college chemistry

Why is it that sodium chloride or acetic acid can't bee steam distilled??

107. ## statistics

how to find the tatge cf when using the score at a given percentile ?

108. ## Chemistry

One of my homework problems deals with finding the change in entropy of the surroundings using the equation delta(S)= -delta(H)/T(temp.) The numbers given were T=263K and delta(H)fusion=6.0*10^(3) J/mol I know how to solve the problem, I just want to know

109. ## Physics

Three capacitors are connected in series. The equivalent capacitance of this combination is 3.18 µF. Two of the individual capacitances are 6.54 µF and 8.19 µF. What is the third capacitance (in µF)?

110. ## Physics

Electric Field of Two Charges : 15.0 points A point charge is located at x=0, and a point charge is placed at on the -axis of a cartesian coordinate system.The goal of this problem is to determine the electric field, , at various points along the -axis.

111. ## physical

A computer is reading data from a rotating CD-ROM. At a point that is 0.036 m from the center of the disc, the centripetal acceleration is 120 m/s2. What is the centripetal acceleration at a point that is 0.056 m from the center of the disc?

112. ## Chemistry

I need help in solving this problem: A certain substance has a heat of vaporization of 42.46 kJ/mol. At what Kelvin temperature will the vapor pressure be 5.00 times higher than it was at 291 K? I know that I have to use the Clausius-Clapeyron equation,

113. ## Math Alex

Calculate the length of the diagonal for the given rectangular prism. Round to the nearest tenth length 10 com width 4 height 10

114. ## Physivs

A flat thin non-conducting ring has an inner radius and an outer radius . The disk is uniformly charged with charge per unit area . (a) What is the electric field at the center, , of the ring? Express your answer in terms of the following variables, if

115. ## Survey of Calculus

For the function below, find the slope of the tangent line at x=2 (5x^(4)+4)/(-2x^(3)+7) Can someone explain how to do this?

116. ## computer science

Im trying to create an arraylist that's sorted but I have no idea how to sort the numbers. I cant use the array.sort method here is my code: public class Testing { private int [] data; private int count; private static int defCapacity = 10; public Testing

117. ## programming

m trying to create an arraylist that's sorted but I have no idea how to sort the numbers. I cant use the array.sort method here is my code: public class Testing { private int [] data; private int count; private static int defCapacity = 10; public Testing

118. ## Physics

In the drawing below, R1 has a resistance of 6.2 Ù and R2 has a resistance of 2.6-Ù. Determine the current (magnitude and direction) in the 6.2 and 2.6-Ù resistors in the drawing.

119. ## Physics

A charge is located at and a charge is located at . Thus the separation between the two charges is . The total electric field on the axis can be written as (a) What is the direction of the total electric field at any point on the axis where ? (b)What is as

120. ## mat/116

Please help me slove this question. An investor invested a total of \$3,200 in tow mutual funds. One fund earned 5% profit while the other earned a 2% profit. If the invesor's total profit was \$103, how much was invested in each mutual fund? Tne amount

121. ## mathematics

How do you do fractions ?

122. ## math

Assume the car can be purchased for 0% down for 60 months (in lieu of rebate). A car with a sticker price of \$42,500 with factory and dealer rebates of \$5,100 (a) Find the monthly payment if financed for 60 months at 0% APR. (Round your answer to the

123. ## Physics

Find the current in the 10.0-Ù resistor in the drawing (V1 = 23.0 V and R1 = 21.0 Ù). A

124. ## Finance

Tom company has sales of Rs.200,000/- with variable expenses of Rs.150,000/-, fixed expenses of Rs.60,000/-, and an operating loss of Rs.10,000/-. By how much would Tom have to increase its sales in order to achieve an operating income of 10% of sales?

125. ## Algebra

What is the side length of a square with an area of 144x²? A.12 B.12x C.±12x D.no solution I think it is C...? If I am right can you show your work please...I am just starting to understand these..thank you

126. ## chemistry

find work done when 1mole of calcium carbide reats with water to produce acytelene?

127. ## calculus stewart

Evaluate the integral Int 7x ln(5x) dx

128. ## chemistry (Pls Bob check for me)

A 1.2g mixture of na2c03 and k2c03 was dissolved in water to form 100cm3 of s solution, 20cm3 of this solution required 40cm3 of 0.1N hcl for neutralization. Calculate the wieght of na2c03 and k2c03 in the mixture The answer 0.4G My own calculation: na2c03

129. ## Physics

A charge of 5 nC is located at P(2,π/2,-3) and another charge of -10nC is situated at Q(5,π,0). Calculate the force exerted by one charge on the other. What is the nature of this force?

130. ## Math help

Calculate the length of the diagonal for the given rectangular prism. Round to the nearest tenth length 10 cm width 4 cm height 10 dont tell me the answer just show me how to do it

131. ## maths-profit

a shopkeeper buys an article at a discount of 15% on the printed price. after charging a sales tax of 5% on the printed price, he sells the article at rs.630. find the profit

132. ## poem incident in a rose garden

explain any ironies or unexpected twists that you see in this poem

133. ## algebra

A video game manufacturer is planning to market a new machine. The fixed costs are \$550,000 and the variable costs are \$120 per machine. The wholesale price of the machine will be \$140. How many game machines must be sold for the company to make a profit?

134. ## Chemistry

Calculate the volume in liters of the gas (O2) at STP if it was massed at 6.75 x 105 grams.

135. ## Algebra 2 ..

1. Solve 3=log8+3logx 2. Solve 2logx-log4=0

136. ## sfsu

This exercise is based on the following table, which lists interest rates on long-term investments (based on 10-year government bonds) in several countries in 2008. HINT [See Example 4.] (Round your answer to the nearest integer.) If you invest \$10,200 in

137. ## Algebra

-2(y-4)-(3y-2)=-2-(6y-2)

138. ## dynamics

If it is released from rest at a height of h = 2 ft from the top of the uncompressed spring, determine the speed of the collar after it falls and compresses the spring 0.9ft .

139. ## math

PQ is a chord of length 8 cm of a circle of radius 5 cm . The tangents at P and Q intersects at T. Find the length of TP.

140. ## math

What does this mean? |100|=

141. ## Physics

A 11-V battery is connected to three capacitors in series. The capacitors have the following capacitances: 5.3 µF, 10.7 µF, and 31.8 µF. Find the voltage across the 31.8-µF capacitor. Please Help!

142. ## math

The owner of a luxury motor yacht that sails among the 4000 Greek islands charges \$430 per person per day if exactly 20 people sign up for the cruise. However, if more than 20 people (up to the maximum capacity of 90) sign up for the cruise, then each fare

143. ## SOC203

ALL BUT ONE of the following effects occurs as a result of warfare: (Points : 1) diminished social programs. mother-child bonding. literacy decline. political restructuring.

144. ## physics

Explain the changes in frequency with respect to changes in mass, length tension on sonometer bridge.

145. ## home inspection

11. Structural failure in a roof may be due to A. the presence of a vapor barrier between the attic floor and the ceiling below. B. too little span between supporting members. C. cuts made in rafters or trusses for addition of components such as stairways

146. ## home inspection

16. Brick ties in brick veneer walls allow for A. water drainage. B. air circulation. *C. expansion. D. inspection.

147. ## structurlal design 2

15. Sagging in floor joists is typically caused by A. oversized joists. B. undersized joists. C. improper nailing of sub-flooring. D. improper moisture content of the wood i think it's D.

148. ## Calculus

The equation of motion of a particle is s= 2y^3 - 7t^2 + 4t +1 where s is in meters and t is in seconds a) Find the velocity and acceleration as functions of t. b) Find the acceleration after 1 second.

149. ## Chemistry

pH pH ( strip c : 8 ) dark green pH ( strip d : 3 ) purple - suppose u mix togather equal amounts of the solutions that produced the results of strip c and d , then test the pH of this new solution. What color will the indicator paper be? Explain .

150. ## math

What are the vectors and called?

151. ## geography

what is exsolation?

152. ## Biology

Which of the following mutations would you expect to have the greatest effect on a living cell? A. A mutation that changes a single base in a region of noncoding DNA B. Energy release from plutonium C. Consumptions of preexisting organic compounds Im

153. ## STAT

An independent-measures research study compares three treatment conditions with a sample of n = 10 in each condition. The sample means are M1 = 2, M2 = 3, and M3 = 7 a. Compute SS for the set of 3 treatment means. (Use the three means as a set of n = 3

154. ## Math

Nan wants to measure the length of board. Which of the following units would be the most precise? A. inch B. foot C. 1/16 inch D. 1/8 inch

155. ## RATIOS

A MODEL TRAIN IS 1;48 ON SCALE. THE ENGINE IS 13 5/8 INCHES. HOW MANY FEET IS THE ACTUAL ENGINE?

156. ## RATIOS

10.6 PESO IS \$1 US DOLLAR. YOU HAVE 2500 PESO. YOU WANT TO EXCHANGE TO US DOLLAR. HOW MANY WOULD YOU GET?

157. ## Algebra II

A rectangular auditorium seats 900 people. The number of seats in each row exceeds the number of rows by 11. Find the number of seats in each row.

158. ## math

using the example above, the new highway will be a total of 54 miles long. will the highway be finished in 8 mouths

159. ## Algebra class!

WEEK 5 - Work Rates You work in retail. In the past you inventoried and shelved the weekly UPS shipment in 2 hours. Your co-worker usually takes 3 hours to do the UPS shipment. How long will it take the two of you working together to finish this week’s

160. ## Math

Prove the identity: tanA/secA+1 = secA-1/tanA Can u please explainit to me step by step? I greatly appreciate your help! Thanks:)

161. ## Math

Dalia made 8 party bags for her birthday party. Each bag contained 4 small gifts for her friends. When Denis said that she could come, Dalia had to make one more bag with 4 gifts. How many small gifts did Dalia need to fill her bags? Walter wrote this

162. ## Chemistry

Mg + 2HCl -> MgCl2 + H2 Over an interval of 1.00s, the mass of Mg changes by -0.011g What is the corresponding rate of consumption of HCl (in mol/s)? I got 9.0E-4 mol/s and that's the right answer. But I'm having problems with the next question. Calculate

163. ## Algebra

Suppose that an insurance agent offers you a policy that will provide you with a yearly income of \$50,000 in 30 years. What is the comparable salary today, assuming an inflation rate of 5% compounded annually?

164. ## Tips

Any ideas on how to get good grades on a test when your sick?

165. ## Science

Solution preparation: 500ml's of .2M Sodium Cacodylate Buffer with a pH of 7.4 I don't even know where to start, could someone please tell me how to do this problem.

166. ## management science

can you please give me 10 good definitions of what a marketing is, the authors and the date it was defined

167. ## math

proof thise for me. nCr=nCr-r 2) nCr+nCr+1=n+1Crr+1

168. ## Science

What is convection?

169. ## CIS 115

CIS 115 week 7 exercise: Determine output. I need help with this week's exercise...DeVry CIS 115 week 7...please help! Using the questions on page 2, determine the output for each question. If input data is provided, be sure to use it with the each

170. ## Physics -Impulse-

1.)A 0.5 kg hockey puck moving at 35 m/!@#\$%^&s a straw bale, stopping in 1 s. a) What impulse is delivered to the ball? b) What force is exerted on the puck? 2.) A racing car with a mass of 1400 kg hits a slick spot and crashes head-on into a concrete

171. ## life orientation

Identify and describe 3 environmental health hazards that cause ill health,crises,and or disasters within your community or any other community within south africa and globally.inlcude evidence that is current of the identified issues

172. ## calculus

F(x)= ln (cos theta) f'(x)

173. ## Quantum chemistry

For the simple harmonic oscillator determine: b. [Tˆ,Vˆ ]

174. ## Physics -Conservation of Momentum-

1) A 1 kg mass moving at 1 m/s has a totally inelastic collision with a 0.7 kg mass. What is the speed of the resulting combined mass after the collision? 2) A cart of mass 1 kg moving at a speed of 0.5 m/s collides elastically with a cart of mass kg at

175. ## Math!!

You work in retail. In the past you inventoried and shelved the weekly UPS shipment in 2 hours. Your co-worker usually takes 3 hours to do the UPS shipment. How long will it take the two of you working together to finish this week’s UPS shipment? 1)What

176. ## management science

10 definitions of what marketing is, the authors and year

177. ## physics

A 30.343 V emf is placed across a series combination of three resistors (10 Ω, 15.632 Ω, and 64 Ω). At what rate is heat generated in the 15.632 Ω resistor? Answer in units of W

178. ## Quantum Physics

Suppose we have a qubit in the state |ψ>. We know that if we measure it in the standard basis, the probability of getting a 0 is 7/9. Now, if we instead first apply a Hadamard gate and then measure the resulting qubit H|ψ> in the sign basis, what is the

179. ## math

the first term of a linear sequence is 5,nd d common difference is -3 find the 15 term

180. ## science

What is the gram formula mass of NaC2H3O2 multiplied by 10H2O

181. ## math

Assume the car can be purchased for 0% down for 60 months (in lieu of rebate). A car with a sticker price of \$42,500 with factory and dealer rebates of \$5,100 (a) Find the monthly payment if financed for 60 months at 0% APR. (Round your answer to the

182. ## Algebra

The owner of a hair salon charges \$20 more per haircut than the assistant. Yesterday the assistant gave 12 haircuts. The owner gave 6 haircuts. The total earnings from haircuts were \$750. Hw much does the owner charge for a haircut? Solve by writing and

183. ## Quantum Physics

What is ZX applied to H|0>?

184. ## Chemistry

Experimentaly discribe how to determine the formula of magnesium.

185. ## english

Humpty Dumpty" tells the story about an egg that fell off a wall and broke. "Humpty Dumpty" is a __ poem. A.narrative B.free verse C.limerick D.nonsense Is it a narrative(a)

186. ## math

Example: 1 Gas is escaping from a spherical balloon at the rate of 2 ft3 / min .How fast is the surface area shrinking when the radius is 12 ft ?

187. ## Chemisty

250g of water containing sucrose freezes at -3.5C. What is the molality of the solution?

188. ## Maths

What is the nth term and the next two terms of the following: (a) 0^1,2^2,24^3,252^4. (b) 1,1,2,4,7,13,24. (c) 0,1,2,3,6,11

189. ## programing

convert this c++ code to assembly for (a=0; a

190. ## math

A soccer ball is kicked upward from the ground and its height (in metres), t seconds after it is kicked, is given by the equation h(t)= -49t^2 + 19t. What wiil be the maximum height attained by the ball? And how much does it take for the ball to hit the

DEFINE THE FOLLOWING TERM AS PART OF THE MICRO BUSINESS ENVIRONMENT: ORGANISATIONAL CULTURE

192. ## Chemisty

195 g of water containing magnesium chloride boils at 102.5 celcuis. what mass of salt is needed?

193. ## Fahrenheit 451

Carefully reread these lines, “Somewhere the saving and putting away had to begin again and someone had to do the saving and keeping, one way or another, in books, in records, in people’s heads, any way at all so long as it was safe, free from moths,

194. ## math geometry

a cone has a radius of 2 inches and a height of 12 inches if the radius of the cone is double what must be the new height in the cone in order to keep the volume constant

195. ## Fahrenheit 451 theme

Which detail from the text best exemplifies the theme of the novel? 1) “We know the damn silly thing we just did. We know all the damn silly things we’ve done for a thousand years and as long as we know that and always have it around where we can see

196. ## Spanish 2 help

1. Si yo Tuviera Hambre, Me volvería a comer (comer.) 2. Si el bebe Tuviera sueño, eL estaría en bed (dormir.) 3. ¿Que te necesito to (gustar) pedir? 4. Me loved (gustar) las pechugas de pollo. 5. Si yo fuera Tom Cruise, i haría (ser) Famoso. 6. Yo

197. ## Math:o

It takes a florist 3h 15min to make 3 small centerpieces and 3 large cebterpieces. It takes 6h 20min to make 4 small centerpieces abd 7 large centerpieces. How long does it take to make each small centerpiece and each large centerpiece? Write and solve a

198. ## Pacific Union College

Biphenyl, C12H10, is a nonvolatile, nonionizing solute that is soluble in benzene, C6H6. At 25 °C, the vapor pressure of pure benzene is 100.84 torr. What is the vapor pressure of a solution made from dissolving 17.5 g of biphenyl in 28.8 g of benzene?

199. ## PHYSICS

In a series RCL circuit the generator is set to a frequency that is not the resonant frequency. This nonresonant frequency is such that the ratio of the inductive reactance to the capacitive reactance of the circuit is observed to be 5.53. The resonant

200. ## algebra 2

Express the sum in the simplest form. 3x/x+5 + 7/x+5

201. ## Fahrenheit 451

Reread these lines from the text, “No we’ll save what we can, we’ll do what there is left to do. If we have to burn, let’s take a few more with us. Here! He remembered the books and turned back. Just on the off chance.” What future event in the

202. ## math

the sales tax rate in fortworth, texas is 8.25%. find the tax charged on a purchased of \$26.98

203. ## Physics

1. To move a large crate across a rough floor, you push on it with a force F at an angle of 21° below the horizontal. The mass of the crate is 32.0 kg. The coefficients of static and kinetic friction are 0.62 and 0.42 respectively. (a) What force F is

204. ## Counseling

Using Erikson's psychosocial theory and Piaget's cognitive development theory, create four case studies in which the characters are clearly in specific stages.

205. ## MATH- Algebra 2

[1/3,1/2] Can you please please graph this in interval notation!! Thank you so much!

206. ## Physics

A 6.40 kg block rests on a 12.5 kg block as shown in the diagram. The interface between the lower mass and the table is frictionless, but there is friction (static friction μS and kinetic friction μK) between the two blocks. A horizontal force F r acts

207. ## English

I was sick this weekend so the person who sent home my work didn't send me the book and my notes for this english assignment so can u please help me!! Nominative and Objective case 1. the guide showed (we, us) the Yoruba sculpture exhibit. is it us?

208. ## Algebra

x+3y>-3 and 4x+y=4

209. ## chemistry

2 HI(g) H2(g) + I2(g) The reaction above has an initial concentration of 2.00 M HI. (No other species are initially present.) If 22.4% of the HI has reacted when equilibrium is established, calculate Kc for the reaction.

210. ## maths-Profit, discount

a shopkeeper buys an article at a discount of 15% on the printed price. after charging a sales tax of 5% on the printed price, he sells the article at rs.630. find the profit

211. ## mechanics

Sketch a typical stress-strain curve and label all the points of interest and different regions of the curve.

212. ## science

A 65.7 kg person jumps from a window to a fire net 21.0 m below, which stretches the net 1.14 m. Assume that the net behaves like a simple spring, and calculate how much it would stretch if the same person were lying in it.

213. ## mechanics

Sketch a stress-strain curve for which the stress is calculated using the actual cross-sectional area rather than the original cross-sectional area. Explain why this curve differtypical stress-strain curve

214. ## math algebra

find the vertex 6x^(2)+84+294

215. ## Chemistry

A 0.010M solution of base B is 15% dissociated. Calculate the Kb for base B.

216. ## Algebra II

A rock is thrown upward with a velocity of 19 meters per second from the top of a 21 meter high cliff and it misses the cliff on the way back down. When will the rock be 11 meters from the water below?

217. ## Physics -Impulse- part 2

1) A 0.50 kg object is at rest. A 3.00 N force to the right acts on the object during a time interval of 1.50 s a) What is the impulse? b) What is the velocity of the object at the end of this time interval? 2) A 2250 kg car traveling to the west at 20.0

218. ## mechanics

Use a sketch to illustrate what cantilever bending is and give an everyday example of it. (b) use a sketch to illustrate what three-point bending is and give an everyday example of it. (c) For each of the two beams shown below: (i) calculate the maximum

219. ## mechanics

Sketch two S-N curves on the same axis, one for a metal with an endurance limit and one for a metal without an endurance limit. Mark any points of interest on the curves.

220. ## math

I dontunderstand this question can you please help me. "Explain why 3 separate lines can all be parallel to each other,but 3 separate lines cannot all be perpendicular to each other. Use a drawing to show your answer."

221. ## mechanics

A metal bar with a cross-sectional area of 50mm2 is subjected to a tensile strain of 0.001. What is the tensile force responsible for the strain given that the material has a Young's modulus of 15GNm raise to the power -2 A 0.003N B 7.5x103N C 7.5x 10-10N

222. ## mechanics

An aluminum alloy bar with a Young's modulus of 70GPa is under a tensile stress of 10MPa, Which of the following is the equal to the strain in the bar? A 0.0014 B 7.0x103 c 700 D 1.4x10-4

223. ## Finance

Suppose that an insurance agent offers you a policy that will provide you with a yearly income of \$40,000 in 30 years. What is the comparable salary today, assuming an inflation rate of 5% compounded annually?

224. ## mechanics

The change in length of a steel wire under an applied load can be halved by keeping all other conditions constant but using: A. a different material having a Young's modulus half that of steel B half the cross sectional area of the steel wire C half the

225. ## Physics -Impulse-

1.)A 0.5 kg hockey puck moving at 35 m/!@#\$%^&s a straw bale, stopping in 1 s. a) What impulse is delivered to the ball? b) What force is exerted on the puck? 2.) A racing car with a mass of 1400 kg hits a slick spot and crashes head-on into a concrete

226. ## math

a sprinter runs the first 50 meters in 5 seconds. What will be the velocity at the end of the 5 seconds?

227. ## Math

a+p =5 p 11/4 >a

228. ## Physics

A spaceship of mass 175,000 kg travels from the Earth to the Moon along a line that passes through the center of the Earth and the center of the Moon. At what distance from the center of the Earth is the force due to the Earth twice the magnitude of the

229. ## physics

(a) What is the resistance of a 120 , a 2.50 k, and a 4.00 k resistor connected in series? (b) What is the resistance if they are connected in parallel?

230. ## Math

Which line below is parallel to y=-2/3x+5? a. 2x-3y=6 b. 2x+3y=6 c. 3x-2y=6 d. 3x+2y=6

231. ## physics

Your car's 31.5 W headlight and 2.15 kW starter are ordinarily connected in parallel in a 12.0 V system. What power would one headlight and the starter consume if connected in series to a 12.0 V battery? (Neglect any other resistance in the circuit and any

232. ## English

Is a cardboard box a specific site? A staircase or chair would be a specific site, but what about boxes?

233. ## Quantum Physics

Alice and Bob share a state a|++> + b|-->, where the first qubit is Alice's and the second qubit is Bob's. Alice measures her qubit in the standard basis and sends the measurement outcome to Bob. If Bob wants his qubit in a|+> + b|->, what gate does he

234. ## Education/Technology

Many classroom resource materials include Web resources that assist you in the tasks required for your classroom. What tool generates a seating chart or stores student progress? A) Electronic gradebook tool B) Lesson plan tool C) Test generator tool D)

235. ## Math 209

THE FEDERAL DEBT D IN TRILLIONS OF DOLLARS HELD BY FOREIGN AND INTERNATIONAL INVESTORS x YEARS AFTER 1970 CAN BE MODELED BY D(x) = WHERE 15 ≤x≤ 40.

236. ## algebra

Provide A Reason For Each Step Of Simplifying The Expression 3 3(4p-1)-7p

237. ## American History *URGENT*

so i have some multiple choice questions that i am confused on. *PLEASE TAKE THE TIME TO READ* i know it's alot, but it would really help me out so much! this is due in the morning! I had a total of 122 questions, but got stuck on a few. on the first one I

238. ## Writing

is this sentence considered a metaphor sentence "I think I should indicate why i am her in Brimingham, since you have been influenced by the vie which argues against "outsideres coming in."

239. ## algebra

what are the intercepts of y=2x+2

240. ## statistics

A store manager claims that the average age of his customers is less than 40 years old, while the industry average is 40 years old. He asks you to test his thinking. You collect a sample of 50 customers and found that the average age is 38.7. Assuming that

241. ## Chemistry

A very old and tired , grey haired AP Chem instructor wanted to determine the Ka of an unlabelled monoprotic acid in his stockroom. He dissolved an unknown amount of acid in an unknown amount of water and proceeded to titrate the sample with a solution of

242. ## Physics

Suppose we have a one-qubit unitary U that maps |0⟩ to 13|0⟩+2−2i3|1⟩ and |1⟩ to 2+2i3|0⟩−13|1⟩. What is U? Explicitly indicate multiplication with a * symbol. For instance, you should write 3*i+2 instead of 3i+2.

243. ## Physics

Suppose we have a one-qubit unitary U that maps |0⟩ to 12|0⟩+3√i2|1⟩ and |+⟩ to 1−3√i22√|0⟩+3√i−122√|1⟩. What is U? Explicitly indicate multiplication with a * symbol. For instance, you should write 3*i+2 instead of 3i+2.

244. ## algebra

can anyone help me solve 14+ 6/18x = 40

245. ## Physics

5. What is ZX applied to |0⟩? 6. What is ZX applied to H|0⟩?

246. ## Physics

Suppose we have a qubit in the state |ψ⟩. We know that if we measure it in the standard basis, the probability of getting a 0 is 79. Now, if we instead first apply a Hadamard gate and then measure the resulting qubit H|ψ⟩ in the sign basis, what is

247. ## English

I myself would enjoy going to Europe if I had the opportunity. reflexive? intensive Do you know _______ our new gym teacher will be? who? whom The doctor held the light above _______. he him? We were grateful for _______ bringing in old grocery bags for

248. ## Physics

Specify the state of each qubit after we applied the circuit. First qubit: Second qubit:

249. ## Book: Fahrenheit 451 Ray Brad Bury

. What does Granger mean when he says “I am Plato’s Republic” or that Montag is “the book of Ecclesiastes”?

250. ## Biology

Which of the following mutations would you expect to have the greatest effect on a living cell? A. A mutation that changes a single base in a region of noncoding DNA B. Energy release from plutonium C. Consumptions of preexisting organic compounds