# Questions Asked onOctober 12, 2011

1. ## Problem Solving

John bought a shirt on sale for 25% off the original price and another 25 % off the discounted price. If the final price was \$16, what was the price before the first discount? (Please i need to present it to our school. I don't know how to solve it. Can

2. ## physics

A thin 2kg box rests on a 6kg board 50cm long with 20cm hanging off the edge of a table. How far can the center of the box be from the end of the table before the board begins to tilt?

3. ## Physics

Starting from rest, a 5.00 kg block slides 2.50 m down a rough 30.0 degree incline. The coefficient of kinetic friction between block and the incline is .436. Determine the work done by the friction force between block and incline and the work done on the

4. ## OChem

What intermolecular forces are important in the binding of organic molecules to the absorbent in absorption chromatogrpahy? Select all that apply. A) London forces B) Van der Waals forces C) Covalent Bonding D) Hydrogen bonding E) Dipole-dipole

5. ## American Literature

How does Franklin's scheme for moral perfection compare with the self-help books available today, in general? Well Franklin's scheme is similar to self-help because both are for your benefit, making you a better person in life, to yourself and others. An

6. ## trig

To the nearest degree, determine the measure of angle X for each value of tan X a. tan X = 0.49 Just not sure how to solve these questions

7. ## American Literature

Which virtue on Benjamin Franklin's list do you think is least important?Why? I think that if i had to pick out of the thirteen virtues, industry would be least important. But im not really sure how to explain why its least important. All of the virtues

8. ## Physics

A tether ball of mass 0.25 kg is attached to a vertical pole by a cord 1.4 m long. Assume the cord attaches to the center of the ball. The cord makes an angle of 20° with the vertical. (a) What is the tension in the cord? (b) What is the speed of the

9. ## trig

tan x = n tan y, sin x = m sin y then prove that m^2-/n^2-1 = cos^2x

10. ## operating car

Which one of the following sources is most likely to give you objective information about the expected performance of a new car model? A:Newspaper ad B:Dealer's local radio commercial C:Manufacturer'stelevision advertising D:Consumer reports magazine

11. ## Math

determine the value of k such that g(x)=3x+k intersects the quadratic function f(x)+2x^2-5x+3

12. ## physics

A golfer tees off and hits a golf ball at a speed of 31 m/s and at an angle of 35 degrees. What is the vertical velocity component of the ball? Round the answer to the nearest tenth of a m/s.

13. ## Physics

A child of mass m sits in a swing supported by two chains, each of length R. The tension in each chain at the lowest point is T. Find the force of the seat on the child at the lowest point

14. ## physics

Janet jumps off a high-diving platform with a horizontal velocity of 3.5 m/s and lands in the water 1.7 s later. How high is the platform, and how far from the base of the platform does she land?

15. ## physics

A shot-putter throws the shot ( mass = 7.3 kg) with an initial speed of 15.0 m/s at a 33.0 degreCalculate the horizontal distance traveled by the shot if it leaves the athlete's hand at a height of 1.90 m above the ground.e angle to the horizontal.

16. ## physics

The leg and cast weigh 200 N, with the center of mass as indicated by the blue arrow in the diagram. The counterbalance w1 weighs 105 N. Determine the weight w2 and the angle α needed so that no force is exerted on the hip joint by the leg plus cast.

17. ## Physics

A 0.30 kg stone attached to a 0.8 m long string is rotated in a horizontal plane. The string makes an angle of 15° with the horizontal. Determine the speed of the stone.

18. ## Chemistry Help!!

how many joules of heat are needed to vaporize 50.0 g water at 100.0 C?

19. ## physics

The force required to stretch a Hooke’s-law spring varies from 0 N to 62.4 N as we stretch the spring by moving one end 17.2 cm from its unstressed position. a) Find the force constant of the spring. Answer in units of N/m b) Find the work done in

20. ## physics

a dike in Holland springs a leak through a hole of area 1cm squared at a depth of 2m below the water surface. How much force must a boy apply to the hole with his thumb to stop the leak? can he do it?

21. ## Chemistry Help!!

Propane(C3H8), the major component of LP game, is often used as heating and cooking fuels in homes. When propane is burned( reacted with oxygen), CO2(g) and H2O(g) are produced. 1) Write an equation for the reaction and calculate the enthalpy change for

22. ## physics

A billiard ball rolling across a table to the right at 2.2 m/s makes a head-on elastic collision with an identical ball. The mass of a billiard ball is 36 g. If the second ball is initially at rest, what is the velocity of the first ball after the

23. ## Physics

Cheryl runs a race on a 400.0 m circular track. She starts running east of the starting line and then circles the track and falls, stopping 1.00 m west of the starting line. Her time is 80.0 s. What was her average velocity? I believe that it would be

25. ## Stats

An airline estimates that 91% of people booked on their flights actually show up. If the airline books 80 people on a flight for which the maximum number is 78, what is the probability that the number of people who show up will exceed the capacity of the

I have to read this and answer these questions for homeowrk-I'm not sure if I did this correctly. Could you please check-I put the reading and then questions and my answers under it-thank uyou for checking-I'm really not sure about my answers-I'm a little

27. ## math

The dimensions of a rectangle measuring 32cm by 24cm are enlarged in the ratio 5:2.find the new dimensions

28. ## Chemistry

A student reacts 0.1212 g of an Mg/NaCl mixture with hydrochloric acid. The volume of hydrogen saturated with water vapor collected at 20.0C was measured to be 42.7 ml. The column of water that remained in the buret was 10.3 cm high. If vapor pressure of

29. ## geometry

Find the area of each figure. Round to the nearest hundredth. There is a picture of a circle with a diameter of 6 squared root of 2

30. ## Physics

A 64kg driver gets into an empty taptap to start the day's work. The springs compress 1.9×10−2 m . What is the effective spring constant of the spring system in the taptap?

31. ## Chemistry Help!!

How many joules of heat are required to melt 60.5g of ice at 0 degrees C?

32. ## math

farmer fred had chickens and cows on his farm. he knows that together there are 108 legs and 30 heads. how many of each type of animal does he have?

33. ## Physics

Divers at Acapulco dive from a cliff that is 60 m high. If the rocks below the cliff extend outward for 23 m, what is the minimum horizontal velocity a diver must have to clear the rocks safely?

34. ## Physics

A 4.6-kg block slides down an inclined plane that makes an angle of 26° with the horizontal. Starting from rest, the block slides a distance of 2.6 m in 4.9 s. Find the coefficient of kinetic friction between the block and plane.

35. ## physics

A lift is used to carry boxes to the top floor of a hotel 20m high.A total weight of 100kg of boxes was caried up in 20second.If the useful output of the engine driving the lift mechanism is 1.2 kilowatt.calculate the efficiency of the engine of the lift

36. ## Physics

Stretching DNA. With its double-helix structure, DNA is coiled like a spring. A biophysicist grabs the ends of a DNA strand with optical tweezers and stretches it 26µm producing 1.2pN- tension in the strand. What's the DNA's spring constant?

37. ## Microeconomics

The poverty rate would be substantially lower if the market value of in-kind transfers were added to family income. The largest in-kind transfer is Medicaid, the government health program for the poor. Let's say the program costs \$7,000 per recipient

38. ## Math

Write a real word problem where you would have to multiply 120 and 75?

39. ## physics

A 42-kg pole vaulter running at 14 m/s vaults over the bar. Her speed when she is above the bar is 1.7 m/s. Neglect air resistance, as well as any energy absorbed by the pole, and determine her altitude as she crosses the bar.

40. ## physics

a 70 kg box slides along the floor by a 400N force. the coefficient of friction between the box and the floor is 0.50 when the box is sliding. find the acceleration of the box.

41. ## Physics

A Carnot engine uses a steam boiler at 100°C as the high-temperature reservoir. The low-temperature reservoir is the outside environment at 16.5°C. Energy is exhausted to the low-temperature reservoir at a rate of 185 W. (c) How much steam will it cause

42. ## Physical Science

A 43.0 g silver spoon at 22.3°C is placed in a cup of coffee at 90.0°C. The spoon absorbs heat from the coffee to reach a temperature of 89.0°C. If the silver spoon placed in the coffee causes it to cool 0.89°C, what is the mass of the coffee?

43. ## chemistry

a 30.0ml sample of diprotic acid is titrated with .260M KOH. if 68.5ml is required to reach the equivalence point, what is the concentration of the acid?

44. ## physics

An apple falls off a tree branch located 35 meters off the ground. How many seconds does it take to hit the ground?

45. ## Science

We made t-pentyl Chloride in Lab today using HCl and t-pentyl alcohol. I know t-pentyl chloride is not soluble in water, but I'm still not sure the answer to some of my post lab questions. I've answered a few, but I have 3 that still confuse me. We

46. ## Physics

A tether ball of mass 0.25 kg is attached to a vertical pole by a cord 1.4 m long. Assume the cord attaches to the center of the ball. The cord makes an angle of 20° with the vertical. (a) What is the tension in the cord? (b) What is the speed of the

47. ## physics

A 48.2 kg girl is standing on a 129 kg plank. The plank, originally at rest, is free to slide on a frozen lake, which is a flat, frictionless surface. The girl begins to walk along the plank at a constant velocity of 1.66 m/s relative to the plank. What is

48. ## Algebra 2

How do you set up this?I am lost Find an equation for the linear model of the situation below and use it to make a prediction. A train is traveling north at a constant rate. At 3:00 P.M. it is 55 miles north of a city. At 4:15 P.M. it is 80 miles north of

49. ## Math - Word Problem

Word problems confuse me >_> You are choosing between two long-distance telephone companies. Company A charges \$.09 per minute plus \$4 monthly fee. Company B charges \$.11 per minute with no monthly fee. X = number of minutes you call long distance y =

50. ## Jiskha

I want to be a tutor here... I have answered plenty of questions and I think it would be cool to actualy be a tutor. The thing is I don't have an email adress. Is tere any way I could become a tutor without one???

51. ## chemistry

1) MgO (s) + 2H (aq) -> Mg+2 (aq) + H2O (l) 2) Mg+2 (aq) + H2 (g)-> Mg(s) + 2H+ (l) 3) equation 1+ equation 2 = MgO (s) + H2 (g) -> Mg (s) + H2O (l) is it correct? if so, i need to write an expression which could be used to obtain the heat of formation of

52. ## Help with Physics PLEASE

A baseball is hit at 29.0 m/s at an angle of 50.0° with the horizontal. Immediately an outfielder runs 4.90 m/s toward the infield and catches the ball at the same height it was hit. What was the original distance between the batter and the outfielder?

53. ## Applied Calc 2

the marginal cost function for a manufacturing company is given by dollars per box,c'(q)=q^2-10q+30 where q is the number of boxes manufactured. If , find the total cost of manufacturing 10 boxes. Round to the nearest dollar.

54. ## English

We're studying a Dickinson poem Wild Nights-- I have a question Wild Nights--Wild Night! Were I with thee 1. Is that an example of an internal rhyme, slant rhyme, alliteration or caesura? 2. The poem has two stanzas that are ABBA and then two ABCB and ABCB

55. ## Chemistry

The empirical formula for Brilliant Blie dye is C37 H34 N2 O9 S3 Na2, and the formula weight is 792.86 g/mol. How would you prepare a 4.73 X 10^-6 M solution of Brilliant Blue dye? How many grams of the dye do you need to add to a 1.00 L of water to make

56. ## physics

A projectile is fired straight up at a speed of 15 m/s. How long does it take to reach the top of its motion? The acceleration of gravity is 9.8 m/s2 .

57. ## Physics

A dynamite blast at a quarry launches a rock straight upward, and 1.5 s later it is rising at a rate of 19 m/s. Assuming air resistance has no effect on the rock, calculate its speed (a) at launch and (b)4.6 s after launch.

58. ## Statistics

The production process of computer parts uses two machines one old & one new. If the old machine is used the probability that the defected part is produced is .13 if the new machine is used the probability that the defective part is produced is .04.

59. ## Physics

A 4.3-kg block slides down an inclined plane that makes an angle of 26° with the horizontal. Starting from rest, the block slides a distance of 2.1 m in 5.1 s. Find the coefficient of kinetic friction between the block and plane.

60. ## Math

Lee Holmes deposited \$16,600 in a new savings account at 9% interest compounded semiannually. At the beginning of year 4, Lee deposits an additional \$41,600 at 9% interest compounded semiannually. At the end of year 6, what is the balance in Lee’s

61. ## statistics

he owners of a two-person business make their decisions independently of each other and then compare their decisions. If they agree, the decision is made; if they do not agree, then further consideration is necessary before a decision is reached. Each has

62. ## math

A store offers a 15% discount on all items in the store during a sale. All store employees get an additional 10% employee discount. In the equation below, C represents the cost of an item for an employee including tax, and x represents the original price

63. ## Chemistry Help!!

how many joules of heat are needed to heat 900.0g water from 18.0 C to 98.0 C?

64. ## physics

a worker pushing a wheelbarrow of mass 50 kg with a constant velocity along a horizontal surface whose coefficient of friction is 0.5 and the angle of force is 30 degree

65. ## geography

How are the Nile,Amazon and Mississippi Rivers alike?

66. ## physics

( 1.) An objectis thrown upward from the edge of a tall building with a velocity of 10m/s. Where will the object be 3s after it is thrown? Take g = 10m/s^2 15m above the top of the building 30m below the top of the building 15m below the top of the

67. ## Physics

A baseball is hit at 29.0 m/s at an angle of 50.0° with the horizontal. Immediately an outfielder runs 4.90 m/s toward the infield and catches the ball at the same height it was hit. What was the original distance between the batter and the outfielder?

68. ## math

of 500 employees, 200 participate in a company's profit- sharing plan (P), 400 have major-medical insurance coverage (M). and 150 employees participate in both programs. Construct a Venn diagram and find out the probability that a randomly-selected

69. ## Clowney

A shallow pan and a deep bowl hold equal amounts of salt water. If you left both containers in the sun for a day and then measured the salinity of the water in each, which would be saltier? Why?

70. ## Physics

a 3329lb car traveling initially a speeed of 40 mph CRV(estimated speed at time of impac, brakes had been applied) in an easterly direction crashes into the rear end of a 3430lbs CRV moving in the same direction at 0 mph. How far does the car hit move?

71. ## College Algebra

A ferris wheel has a diameter of 320 feet and the bottom of the Ferris wheel is 9 feet above the ground. Find the equation of the wheel if the origin is placed on the ground directly below the center of the wheel.

72. ## physics

A projectile is fired straight up at a speed of 15 m/s. How long does it take to reach the top of its motion? The acceleration of gravity is 9.8 m/s2 .

73. ## math

The radius of a sphere immersed in an infinite ocean of incompressible fluid with density according to the equation, R(t) = A + a cos(nt), where R(t) is a function of time, t, and A, constants, with ‘a’ being positive. The fluid moves radially under no

74. ## Physics

A 1340 kg car going 21 m/s has to stop suddenly. The driver locks the brakes, and the car skids to a halt in a distance of 67 m . What was the car's acceleration while stopping? How much work was done by friction to stop the car? What is the coefficient of

75. ## chemistry

How many grams of K3PO4 would be needed to prepare a 1.73 M solution in a total volume of 427 mL?

76. ## math

suppose walmart stock is selling at \$59 a share and mattel stock is selling at \$28 a share. Amy waller has a maximum of \$6000 to invest. she wishes to purchase four times as many shares of walmart as of mattel. only whole shares of stock can be purchase.

77. ## Chemistry

Balance: NH3 + [Cd(NH3)4] > Cd2+ + NH4+

78. ## science

A boy runs 7 blocks North, 9 blocks Northeast, and 18 blocks West. Determine the length of the displacement vector that goes from the starting point to his final position.

79. ## algebra2

you are creating a window display at a toy store using wooden blocks. the display involves stacking blocks in triangular forms. you begin to display with 1 block, which is your first "triangle," and then stack three blocks, two on the bottom and one on the

80. ## language

how has workng together changed history?

81. ## chemistry

Hello, im having major issues with this problem...I need to find a pH for a 100.0-mL solution of 0.017 M CH3COOH (Ka = 1.8 10-5) is titrated with 0.025 M NaOH. Now, I've gotten some the answers all ready (right answers have *)....but three of them are

82. ## Geometry

An engineer designed a 620 ft long water canal to drain a rainwater detention pond. It is to have a trapezoid cross-section that is 8 ft deep, 15 ft across the bottom, with walls sloping outward at an angle of 40. (a)Calculate the volume of earth that

83. ## chemistry

How many grams of K3PO4 would be needed to prepare a 1.73 M solution in a total volume of 427 mL?

84. ## human behavior in organization pls. need help.

please can you help to get an answers from your own words. this is my assessment and i need tosubmit but i relly could not get the best answer.it's maybe because of my mother tongue is not an english.i would be very happy if you can help me so that i can

85. ## Chemistry

Alkali metals are so reactive that they react directly with water in the absence of acid. For Example... 2 K(s) + 2 H2O(l) ¨ 2 K+(aq) + 2 OH− (aq) + H2(g). How many milliliters of hydrogen will be evolved over water when 4.52 g K reacts with an excess

86. ## social studies

How does a republic represent the public interest

87. ## aaa

You find that if you hang a 1.85 weight from a vertical spring, it stretches 5.50 . What is the force constant of this spring in N/m? How much mass should you hang from the spring so it will stretch by 8.45 from its original, unstretched length?

88. ## Physics

An object traveling at a constant 20 m/sec in a circular path is changing its 1. velocity. 2. speed. 3. weight. 4. mass.

89. ## Science

Calculate:what is the density of a metal block that has a mass of 750 grams and a volume of 55 cubic centimeters?

90. ## Literature the novel

The death of Curly is an example of A. the will to power. B. the theory of evolution. C. the law of club and fang. D. racial unconsciousness.

91. ## Physics

What is the impact speed when a car moving at 95km/h bumps into the rear of another car traveling in the same direction at 93km/h?

92. ## operating system

Process Management Exercise Given the following data, prepare a Gantt Chart to a system based on priority andinterrupts ("preemptive"), where priority 1 is the highest and 3 is the lowest. Process Priority Burst Time Tiempo de Llegada P1 3 2 0 P2 1 3 0 P3

93. ## physics

A person with a mass of 77.5 kilograms is pushed on a sled across the frictionless surface of a frozen pond with a constant horizontal force of 14.8 Newtons. What is their acceleration?

94. ## PHYSICS

Suppose the force of friction on a sliding object is 25 N. What is the force needed to maintain a constant velocity?

95. ## math

the chess club has 55 members 22 of them are in 6th grade what percent of the club is not in 6th grade

96. ## Math WORD PROBLEM

The time in hours it takes a satellite to complete an orbit around the earth varies directly as the radius of the orbit (from the center of the earth) and inversely as the orbital velocity. If a satellite completes an orbit 860 miles above the earth in 12

97. ## math

write the expression for a number used as a factor seventeen times being multiplied by a number used as a factor fourteen times. then write the product as one power

98. ## physics

A model rocket is launched straight upward with an initial speed of 51.6 m/s. It accelerates with a constant upward acceleration of 1.96 m/s2 until its engines stop at an altitude of 230 m. What is the maximum height reached by the rocket? The acceleration

99. ## Algebra

In how many ways can a teacher arrange 10 students in the front row if there are 25 total students?

100. ## Physics

An arrow is shot at a 30.0° angle with the horizontal. It has a velocity of 49 m/s. (a) How high will the arrow go? m (b) What horizontal distance will it travel? m

101. ## Geography

Discuss the ways in which geographers employ the ideas of distance, accessibility, and connectivity to describe the process of spatial interaction.

102. ## physics

A 1970 kg car traveling at 13.8 m/s collides with a 2960 kg car that is initally at rest at a stoplight. The cars stick together and move 1.91 m before friction causes them to stop. Determine the coefficient of kinetic friction between the cars and the

103. ## physics

You’re standing outside on a windless day when raindrops begin to fall straight down. You run for shelter at a speed of 5.3 , and you notice while you’re running that the raindrops appear to be falling at an angle of about 30 from the vertical.

104. ## physics

A man is driving his car ata velocity of 100km/h on a straight road. H e sees a traffic jam at a distance and slows down to 12.5m/s in 3.0s. What is the average acceleration of the car? pls help. I know that the formula for average acceleration is V2-V1

105. ## chemistry

N2 (g) + 3H2 (g) → 2NH3 (g)ΔH = -92.6 Calculate ΔH (in kJ) for the decomposition of 30.5 g NH3 (g) into N2 (g) and H2 (g)

106. ## math

A whole brick is balanced with ¾ pound and ¾ brick. What is the weight of the whole brick?

107. ## Physics

A 60 kg block slides along the top of a 100 kg block with an acceleration of 3.0 m/s2 when a horizontal force F of 320 N is applied. The 100 kg block sits on a horizontal frictionless surface, but there is friction between the two blocks. (a) Find the

108. ## Physics

A toy car runs off the edge of a table that is 1.357 m high. If the car lands 0.442 m from the base of the table, (a) how long does it take for the car to fall? s (b) what is the horizontal velocity of the car? m/s

109. ## managerial accounting

. (TCO 4) Paschal’s Parasailing Enterprises has estimated that fixed costs per month are \$115,600 and variable cost per dollar of sales is \$0.38. This means that the contribution margin ratio is 62 percent. (a) What is the break-even point per month in

110. ## Pre Algebra

A phone company charges \$27.95 monthly fee and .12/min. for local calls. Another phone company charges \$12.95 a month and .32/minute for local calls. For what number of minutes of local calls is the cost of the plans the same?

111. ## physics

A dog with a mass of 15kg jumps forward at 0.50m/s to catch a frisbee coming in the opposite direction at 5m/s. the dog catches the frisbee in its mouth and in doing so its velocity drops to 0.45m/s. What was the mass of the frisbee?

112. ## arthmetic

in an arthmetic progression or series,the 13th term is 27 and the 7th iterm is 3 times the 2nd term ,find first term the common difference the sum of rhe squence

113. ## Physics

A horizontal spring with K = 110 N/m has one end attached to the wall. A 250g block is pushed onto the free end, compressing the spring by 0.190 . The block is then released, and the spring launches it outward. Neglecting friction, what's its speed when it

114. ## physics

Average destance between Earth and the moon is 384 790 km. How many days would it take sound to travel to the moon?

Starting from rest, a 5.00 kg block slides 2.50 m down a rough 30.0 degree incline. The coefficient of kinetic friction between block and the incline is .436. Determine the work done by the friction force between block and incline and the work done on the

116. ## ndiit eco

Sonia has a limited income which she spends on goods x and y with market price of x given as rs 15 per unit and y as rs 20 per unit. When she draws budget line it terminates x axis at 50 units. Find sonia's income and slope of her budget line

117. ## Physics

A pelican flying along a horizontal path drops a fish from a height of 4.7 m. The fish travels 8.5 m horizontally before it hits the water below. What was the pelican’s initial speed? The acceleration of gravity is 9.81 m/s2 . Answer in units of m/s

118. ## Applied Calc 2

he marginal cost function for a manufacturing company is given by dollars per box, where q is the number of boxes manufactured. If , find the total cost of manufacturing 10 boxes. Round to the nearest dollar.

119. ## IPS

If I have 1.9 g of sulfur and need to do three trials using 0.030 mol of S each time, how do I find out if I have enough sulfur?

120. ## crucible

Which of these does not occur in Act Four? Choose one answer. a. The cows need milking. b. The people argue over ownership of the cows. c. The townspeople stop going to church. d. Children wander from house to house.

121. ## algebra

Perform the indicated operation and, if possible, simplify. Please show all of your work. Write your final answer exactly as a fraction in lowest terms. 14/45 / 26/27

122. ## Physics

A 3.5 kg bucket of water is raised from a well by a rope. If the upward acceleration of the bucket is 4.0 m/s2, find the force exerted by the rope on the bucket.

123. ## Physics

A glider (mass = 0.12kg ) on a frictionless horizontal air track is connected by a light string over a pulley to a metal block (mass = 0.13kg ) hanging vertically (see figure below). The objects are released from rest and move 0.44 m . a)Find the objects'

124. ## English

I urgently need you to check these sentences. Whad do you think I should do? 1) I graduated with honours in modern languages and I know how important memory is in learning a foreign language. 2) The headmaster of the school I'm teaching at has warned me

125. ## physics

If a rope is 24cm long and a stone whirled at the end make 13 complete revolution in 4|2 seconds. Find the angular velocity, the linear speed and the covered distance in 8 seconds.

126. ## Math 117B Help

subtract (xy-ab-6)-(xy-5ab-5) How do I do this

127. ## MATH

Solution A is 25% and solution B is 40% acid. How many gallons of each solution must be used in order to create a 50 gallon mixture that is 34% acid? Solution A___ Solution B___

128. ## Music Theory

How do you change a natural minor scale to a harmonic minor scale? For example: d harmonic minor

129. ## calc

A farmer wishes to enclose a rectangular pen with area 100 square feet next to a road. The fence along the road is to be reinforced and costs \$34 per foot. Fencing that coast \$16 per foot can be used for the other three sides. What dimensions for the pen

130. ## operating car

A promise made by a manufacturer or dealer that a product meets certain quality standards and that defective parts will be replaced is called a : A:gusrantee B:premium C.warranty D."good faith"pledge i got C

131. ## physics

( 1.) A passenger in a moving car and a passerby standing at the road side see each other as moving in the opposite direction. Which of the following is not true?< (A) The passenger is in motion relative to the passer-by (B) The passer-by is stationery

132. ## math

how many inches are in cenimeters 25 ceinmeters = ? inchs

133. ## physics

You’re standing outside on a windless day when raindrops begin to fall straight down. You run for shelter at a speed of 5.3 m/s , and you notice while you’re running that the raindrops appear to be falling at an angle of about 30 degrees from the

134. ## Calculus

find the horizontal tangents of the curve and show how. y=x^3-2x^2+x+1

135. ## english

How do I cite an in- text citation in mla format that has more than 3 authors do I list all the authors and how will this ciation appear in my work cited page

136. ## Statistics

In an exam, we randomly chose some students who get both the pretest and the posttest. We are interested in the difference of the score of two test. Assume that the ¦Ò of score difference is 10 and the difference follows a normal distribution. If the H0

137. ## math

Suppose the clerk had to stack 200 boxes of cereal in a triagle. How many boxes would be on the bottom row?

138. ## contemporary mathematics

in terms of paying less in interest, which is more economical for a \$230,000 mortgage: a 30 year fixed-rate at 9% or a 20 year fixed-rate at 8.5%? How much is saved in interest?

139. ## Algebra

Factor the polynomial completely x^3+27

140. ## Physics

A wrench falls out of the gondola of a balloon that is 520 m above the ocean. Assuming negligible air resistance, what was the wrench’s speed as it hit the water? The acceleration of gravity is 9.8 m/s2 .

141. ## medical coding

dr. hannah tells a patient about the surgery needed to treat cholecysistis. she gives the patient a paper that decribes the produre, its risks and why it will be preformed and asks the patient to sign the paper if he agress to the procedure, this document

142. ## World History (Revolutions)

what are some differences and similarities between the American Revolution of 1776, the French Revolution of 1789, and the Latin American Revolution of 1791 to 1820s? I need three similarities and differences! Help and thanks!

143. ## chemistry

Hello, im having major issues with this problem...A 100.0-mL solution of 0.017 M CH3COOH (Ka = 1.8 10-5) is titrated with 0.025 M NaOH. Now, I've gotten some the answers all ready (right answers have *)....but three of them are wrong, can someone tell me

144. ## law

A/an __________ is an occupation requiring knowledge of the arts or sciences and advanced study in a specialized field, such as law. (Points: 5) regulation profession rule association is it "profession"

145. ## Chemistry

number of moles of NaOH required to titrate 38.05mL of a 1.500 M H3PO4 solution

146. ## chemistry

A sample of gold is at a initial temperature of 350 k. Once dropped into a coffe cup calorimeter of heat capacity 400 k^-1 it contains 50 g of water at 300 k. Specific heat capacity is 0.129 for gold and 4.18 for water. what is the final temp of all gold,

147. ## physics

A horizontal force of 142 N is used to push a 47.0 kg packing crate a distance of 6.00 m on a rough horizontal surface. The acceleration of gravity is 9.81 m/s2 . If the crate moves with constant velocity, calculate a) the work done by the force. Answer in

148. ## Statistics

The mean graduation time is 5 years with a standard deviation of 6 months for the Monte Carlo College, in which the graduation time is related to the grade of the students. The class size is normally 40. Calculate how many students may graduate by the end

149. ## math

order the following list of numbers from smallest to largest. desricbe any restrictions that apply. respond the general case, not a specific example. Then explain where .cb wold appear in the list. .ab .aca .a

150. ## Chemistry

The number 80710 is rounded to 2 SF? The choices are confusing: A) 80700 B)81000 C)8070 D)8100 E) None Is E correct? or do you round up to 81000? (B and D are both 2SF A and C are 3SF?) Thanks for you help.

151. ## computers

TMA1PHY111 ( 1.) A passenger in a moving car and a passerby standing at the road side see each other as moving in the opposite direction. Which of the following is not true?< (A) The passenger is in motion relative to the passer-by (B) The passer-by is

152. ## Social Studies 9

I NEED THIS BY TOMORROW!!!!!! What were the taxes introduced during the 17th century england (aka English Civil War)- list 4 facts about it . and WHAT were the taxes introduced during the french revolution also list 4 facts about it . and how are they

153. ## Calculus

Find the measure of feta, to the nearest degree where o degrees is less than feta which is less than 360 degrees. 6 sin feta = -1 I really don't get how to solve, I hate algebra, and I feel that it's gonna be getting used in this question.

154. ## chemistry

is flourosulfonic acid a polar or non polar?

155. ## physics

A 2.9 kg object oscillates with simple harmonic motion on a spring of force constant 430.0 N/m. The maximum speed is 0.8 m/s. What is the total energy of the object and the spring?

156. ## Chemistry

What is the threshold energy of Chromium? I know the answer but i need to show work and through all the equations to get done i get lost. So can someone help me.

157. ## physics

A horizontal force of 142 N is used to push a 47.0 kg packing crate a distance of 6.00 m on a rough horizontal surface. The acceleration of gravity is 9.81 m/s2 . If the crate moves with constant velocity, calculate a) the work done by the force. Answer in

158. ## Music

Explain how music and culture influence one another. Provide an example of a song or album that affected culture. Provide examples of songs with cultural references.

159. ## chemistry

Silver chloride decomposes in light to produce silver and chlorine. What mass of silver is produced when 25g of silver chloride completely decomposes? What volume of chlorine is produced at STP?

160. ## chemistry

Silver chloride decomposes in light to produce silver and chlorine. What mass of silver is produced when 25g of silver chloride completely decomposes? What volume of chlorine is produced at STP?

161. ## calculus

find the volume of the spherical segment with diameter 20inches and a zone area of 160 pi in2

162. ## geometry

If the given is AB is perpendicular to BC, and BC is perpendicular to CD, and you have to prove that angle 7 is congruent to angle 8, how would you write a two column proof for that??

how do I find the mean of 92;96;99;103;88

164. ## Phyics

A projectile is fired horizontally from a 39 m cliff at 30m/s . Find the speed and velocity of the projectile when it strikes the ground. Find vx Find vy Find v

165. ## chem

ok my professor lost me when explaining this material so please bare with me and help me step by step one of the questions is: after absorbing 1850J of energy as heat, the temperature of a .500-kg block of copper is 37C what was its initial temperature

166. ## English

1) As I know you are a retired teacher, I'd like to know your opinion on that. I really need your help. The headmaster keeps giving me classes with a very poor knowledge of the language and my students don't like my method of teaching. What do you think I

168. ## physics

Vibration of the dishwasher causes standing waves in a cup. crests form four concentric rings and the diameter of the cup is 6.0cm v=1.5m/x . What is the frequency of the vibrations?

169. ## physics

The earth orbits the sun once every 365.24 days. The distance between the earth and sun is 1.49x 10^8 Km. The mass of the earth is 5.96 x 10 ^24 kg. A) Find the magnitude in newtons of the centripetal force acting on the earth. The mass of mars is 6.56 x

170. ## chemistry

During a reaction, you see that the heat (q) given off is 3.8 calories. Knowing that you used a mass of 100 g and that the temperature change was 7.85°C, what is the specific heat of this reaction?

171. ## Chemistry

A sample of 30.0 mL of sulfuric acid solution was titrated with 0.720 M KOH. It was found that 46.9 mL of the base was needed to neutralize the acid. What is [H2SO4]? would you do (30.0)(0.720) / 46.9 ?

172. ## Physics

Solve this question, the resultant of two force acting at right angle to each other on a body is ten newton. If the angle between the resultant and one of the force is sixty degree, find the force.

173. ## law

A state’s highest court is called the state: (Points: 5) District Court. Court of Appeals. Supreme Court. County Court. is it supreme court

174. ## Calc

A farmer wishes to enclose a rectangular pen with area 100 square feet next to a road. The fence along the road is to be reinforced and costs \$34 per foot. Fencing that coast \$16 per foot can be used for the other three sides. What dimensions for the pen

175. ## math

168p divided by -14

176. ## math

A student visits a sports club everyday from monday to friday after scholl hours and plays one of the three games:Cricket,Tennis,Football.In how many ways can he play each of tje 3 games atleast once during a week?

177. ## U.S History

what were the effects of the townshend acts?

178. ## Chemistry

What is the correct set up for: How many milligrams are in 67 Kilograms? I think this might be correct but I am unsure. 67kg x (1g/10^3kg) x (1mg/10^-3g) Thank you!

179. ## Science

Which of the following quickly changes the land when gravity pulls loose rocks and soil down the side of a hill? A)a volcanic eruption B) an earthquake C) a fault D) a landslide

180. ## PHYSICS

a 50 kg person running to the east at 8.5 m/s jumps into a 100 kg initially at rest. A)find the velocity of the wagon and person together as they move away.B) If they coast 30 m before coming to a stop, find the average force of the friction that slows

181. ## Valid statements

Determine which statement follows validly from the statements included. 1) If Delta is an alpha, then Delta is a beta. If Delta is a theta, then Delta is a beta. Either Delta is an alpha or Delta is a theta. Therefore, Delta is ... 2)Either Delta is an

182. ## Fibonacci Numbers: Understand one part not another

I understand how to use a calculator to write the decimal point using the golden ratio which is 1.618034 and the conjugate is -.618034. I also know that the relationship between the decimal expansions is that everything to the right of the decimal is the

183. ## physics

The force of gravity between two people is 4.9 x 10-13 Newtons. Person 1 has a mass of 61.3 kilograms, and person 2 has a mass of 93.5 kilograms. The value of G is 6.67 x 10-11 m3/s2 kg. How far apart are they from each other?

184. ## Math

a trapiziod has vertices A(-2,3) B(4,1) C(-1,-1) and D(2,-2). prove that the line joining the midpoints of the non-parallel sides is the average length of the two parallel sides of the trapaziod.

185. ## psy

I have read prior post and my book but I can not figure out what is the connection between learning theory and mechanistic and reciprocal interactionism? I am not even sure if the definitions I have are correct although my answers were graded and excepted.

186. ## Geography

Is this correct? Madison Wisconsin is closer to the equator than the North Pole?

187. ## Computer

You interview with a financial services firm on Wall Street and you are offered a management training position which pays \$40,000 annually. You eagerly accept the offer! You find out from your prospective employer that you will be paid twice each month and

188. ## chemistry

is flourosulfonic acid a polar or non polar?

189. ## Statistics

A set of 50 data values has a mean of 15 and a variance of 25. Find the standard score of a data value = 20

190. ## calculus

find the horizontal tangents of the curve and show work y=5x^3-3x^5

191. ## Biology

What is the first step in replication?

192. ## Math Help

The base of a trianglr is 8cm greater then the hight. the area is 64cm ^2 find the hight and the length of the base.

193. ## Physics

In the figure below, m1 = 3.1 kg, m2 = 5.8 kg, and the coefficient of kinetic friction between the inclined plane and the 3.1-kg block is μk = 0.27. Find the magnitude of the acceleration of the masses and the tension in the cord. The incline is at at 30

194. ## English

Thank you very much. However, my first- and second-year students have both a course and an exercise book (with plenty of activities) to complete. The lazy and unmotivated students are those from the fourth and fifth year. They are expected to learn

195. ## math

O is the midpoint of MN.If MN=4,what is MO?ON?

196. ## SCI 275 week 9 capstone question

If you were an environmental researcher and were giving funding to assist with one environmental issue, which one of the following topics would you choose to spend your funds on? Human Population Atmospheric Pollution Water Resources Terrestrial Resources

197. ## English

I forgot to include that my students have always got top marks in their exams. Last year the mother-tongue examiner told me that their preparation was excellent! According to the headmaster, the results achieved by the students in their exams are

198. ## statistics

Using the data set below please calculate the 2;8;6;9;5 Range What would be the percentile rank of the number 6? Help please!

199. ## chemistry

what is the density of solid that has a mass of 250.g and a volume of 200.ml

200. ## Astronomy/Physics

I cannot calculate the gravitational force between these two objects. I am confused. Jupiter (R=800 million km, M = 2 x 10 to the 27th power kg and a 100 kg person on earth. Please help!

201. ## Algebra

Hi this question was already asked but there is still no correct answer. I can't seem to solve this for x correctly...I got 128 over 55 as an answer which can't be correct. Please help me find the correct answer! Thanks The equation is: .05x-.6(x+2)=.08

202. ## Calculus

Determine the x-value for each inflection point on the graph of the following function. f(x)=3x^5-5x^4-80x^3+360x^2+1000x+850

203. ## math

Please show me the steps to solve this problem: The total shipping weight of two crates is 358 pounds. One crate weighs 124 pounds more than the other. What does eah crate weigh?

204. ## math

Gino just opened a pizza restaurant. He had 1 customer the first day, 3 the second day, 6 the third day, and 10 the fourth day. a. If this pattern continues, how many customers should gino expect on the seventh day? Day 10? Show the data table (for rate of

205. ## Life of a Soldier

Could you please give me some points, details explaining life of an average canadain soldier. Ive jotted down a few, but if you could give me some more, that would help me loads. Didn't get many hours of sleep Poor Living Conditions Had to stand out in the

206. ## algebra

Find the value of - 18 + | -12|

207. ## algebra

The perimeter of a picture frame has to be between 36cm and 48cm. If the length is four cm longer than the widyh, find a range for the width

208. ## Math Help

Simplify assume Y=not to 0 (3y^-3)^4 would the answer be 1/81y^12

209. ## math

What is the sign of the answer when an odd number of negative numbers are multiplied?

210. ## statistics

mean wage of 5 employee is Rs.1000 of the wages of 4 emoloyee are Rs 800 rs 1200 rs 1300 rs 900.find the wages of 5th employee?

211. ## Algebra

I can't seem to solve this for x correctly...I got 128 over 55 as an answer which can't be correct. Please help me find the correct answer! Thanks! The equation is: .05x-.6(x+2)=.08 Please show the work as well as the answer. Thanks again.

212. ## MATH

THE ALL-CITY BAND IS MADE UP OF STUDENTS FROM 3 SCHOOLS BAYSIDE,LINCOLN AND HENDRICK.20 STUDENTS ARE IN THE ALL-CITY BAND.5 STUDENTS COME FROM BAYSIDE .LINCOLN HAS 1 MORE STUDENT IN THE BAND THAN HENDRICK.HOW MANY STUDENTS IN THE ALL-CITY BAND COME FROM

f I have 3 geese in the first pattern, 5 in the 2nd pattern, & 7 in the 5th pattern, how many geese will be in the 10th and 100th patterns?

214. ## Law

A relationship characterized by harmony and good communications comes as a result of __________ with the client. (Points: 5) substantive legality rapport primary Is it "Rapport"

216. ## Chemistry

how much 2% solution do I need to convert 20 ml of 5% solution to a 3% solution?

217. ## physics

A 4.2 kg mass undergoes an acceleration given by ~a = ax ˆı + ay ˆ , where ax = 0.6 m/s 2 and ay = 4.8 m/s 2 . Find the magnitude of the resultant force. Answer in units of N

218. ## science

How is the temperature of a substance related to the energy of movement of the particles in the substance?

219. ## anatomy

Which one of the following is an example of epithelial tissue? A. Lining of the digestive tract B. Aponeuroses C. Subcutaneous skin layer D. Larynx

220. ## english

what is the plural from of "child"

221. ## English Lit

We just atarted a unit on analyzing poetry and I have a few questions I'm not sure of-I have all the terms defined 1. What is the dominant sound device used in this line: "I all alone beweep my outcast state" a. alliteration b.assonance c.internal rhyme

222. ## math grd 10

a trapiziod has vertices A(-2,3) B(4,1) C(-1,-1) and D(2,-2). prove that the line joining the midpoints of the non-parallel sides is the average length of the two parallel sides of the trapaziod.

223. ## Introduction to life Sciences

What are examples of exergonic and endergonic kinds of chemical reactions from everyday life?

224. ## math

If the twelfth term of an arithmetic sequence is 58 and the constant difference is 2, what is the first term of the sequence?

225. ## operating cars

When the buyer assumes full responsinility for all post-sale repairs,the vehicle is said to be sold : A:with a limited warranty B:as is C:with a full warranty D:outright i got A

226. ## social studies

as companies grew,why were new types of businesses nedded ? pertaining to the rise of the big business

227. ## math

How do you write the following statements as integers: 4 degrees below zero, 20,000 legues under the sea, a gain off 11 yards in football, and a loss of \$36,000.

228. ## math

A painter covers 4 square yards of surface in 1.5 minutes. The area of a tennis court is 800 square yards. Using one of these painters, how many hours will it take to paint a tennis court?

229. ## algebra

Choose some other possibilities for the dimensions of the pen using all 20 feet of the fencing for the 3 sides that are needed. Make a table that uses the distance d, away from the house (in the diagram it’s 5 feet or the width) as input and the area as

230. ## physics

A airplane traveling 1019 m above the ocean at 135 km/h is to drop a box of supplies to shipwrecked victims below. (a) How many seconds before being exactly overhead should the box be dropped? ______ s (b) What is the horizontal distance between the plane

231. ## chemistry

if 30 grams of sodium (Na reacts completey with 28 grams of water, what is the mass of Sodium hydroxide (NaOH)formed?

232. ## need help asap, plz help! math10

a trapiziod has vertices A(-2,3) B(4,1) C(-1,-1) and D(2,-2). prove that the line joining the midpoints of the non-parallel sides is the average length of the two parallel sides of the trapaziod.

233. ## writing

I need help writing this 3-10 page essay and I need someone to look at what I got so far so i know if it sounds good or if Im going the wrong way in this essay. Introduction: I remember that as a little girl, I would have this fascination with babies. The

234. ## chemistry

How many moles are in 1.18g of 4.7x10^-4 M AgNO3?

235. ## chemistry

Does one gram of 4.7x10^-4 M AgNO3 equal one cm^3 of AgN03?

236. ## Algebra-HELP

Find the x and y intercepts of f(x)=x^2-x-6.

237. ## managerial accounting

The building and equipment are estimated to cost \$1,100,000 (ignore depreciation). The building and equipment have zero estimated residual value at the end of 10 years. Munster’s required rate of return for this project is 12 percent. Net Cash Flow

238. ## Physics

Malaan is travelling from Makhado to Polokwane by taxi at a speed of 120km/h.A Nissan bakkie passes the taxi while it is on its way to Polokwane and is moving at 150km/h. a) Determine Malaan's velocity with respect to the Nissan bakkie b) what is the taxi

239. ## MATH

THE WIDTH OF A RECTANGLE IS TWO-FIFTH OF THE LENGTH . WHAT ARE THE DIMENSION IF THE PERIMETER IS 112 FEET?

240. ## Math Help

Find the greatest Common factor for the list of terms -X^9, -3x^5, -6x^7 WOULD THE ANSWER BE x?????

241. ## math

sara is thinking of a number that is a repeating deciaml of the form 0. abcdabcd...find sara's number using the following clues. a. the digit that is located 100 places after the deciaml is 4. b. the digit that is 150 places after the deciaml is 5. c. the

242. ## chemistry

What is the molarity (M) of a 627 mL solution that contains 12.7 g of ethanol, CH3CH2OH?

243. ## math

danielle has 18 marbles.all the marbles are either black or gold.ther are 4 more gold marbles than black .how many black marbles are there.

244. ## algebra

need help don't exactly understand the question: Factor and check by Multiplying 6x + 10y -2

245. ## chemistry

What is the molarity (M) of a 627 mL solution that contains 12.7 g of ethanol, CH3CH2OH?

246. ## intro to phsics

if one vector points north at 3m/s, and another points east at 4m/s, what would be the "resultant" of those two when combined?

247. ## math

SHAWN IS WRITING DOWN THE FAMILY RECIPES IN A COOKBOOK .HE HAS21 RECIPES LEFT TO WRITE DOWN.HE HAS 3 PAGES LEFT TO FILL UP.IF HE WANTS TO PUT THE SAME NUMBER OF RECIPES ON EVERY PAGE,HOW MANY GO ON EACH

248. ## English

Of course not. I let them repeat things orally and I keep repeating things to them. I have them do listening tests and summarize them. The problem is that they don't want to learn. If I ask them to repeat, they complain to the headmaster about my

249. ## Math

If you jog for half an hour everyday for nine days. Write an improper fraction that shows the total number of hours you jogged.

250. ## chemistry

if 30 grams of sodium (Na reacts completey with 28 grams of water, what is the mass of Sodium hydroxide (NaOH)formed?

251. ## Math

This is for a project, I wanted to know what automobile insurance injury loss ratings meant? I tried searching this, but could someone explain what it is?

252. ## law

Like all relationships, the __________ relationship is based on rapport. (Points: 5) compulsory attorney-client law firm-court Judicial Is it "Attorney-Client"

253. ## Calc

Determine the x-value for each inflection point on the graph of the following function. f(x)=3x^5-5x^4-80x^3+360x^2+1000x+850

254. ## Statistics

Using the 68-95-99.7 Rule. Find the percentage of ACT score within 9.6 of the mean of 21.1?

255. ## Chemistry

3.4 L at 328 torr and 37 Celsius how many moles are there?

256. ## Math

If f and g are inverse functions, f (7) =10 and f (10) = −1 , find g(10).

257. ## English

How has media convergence changed American culture?

258. ## English

Thank you. I really need you to check this paragraph I prepared for a listening. 1) Bamboo fibre has a round surface which makes it soft and smooth. In contrast, petrol-based synthetic fibres cause skin irritation and in some cases a rash. 2) Another

259. ## Meaning of Sentence

Artillery fire which pounded down on your position ^^ Does that mean that you got hit by it?

260. ## Calculus

find an equation for the line tangent to the curve at the given point and show how y=(x^4+2)/x^2, x=-1

261. ## math

If an incompressible fluid rotates like a rigid body with an angular velocity, θ ˆ q = ωR , about a vertical zaxis and gravity, g, is the only external force acting, prove that, a) −∇gz −   ∇p = ∇   ωR − 2ωRR. b) The pressure

262. ## Math Help

Divide and siplify w^8/W^5 would it be 1/w^13 I add the 8and the 5 right???/

263. ## Math

do the following moves in a coordinate system: start at the origin facing in the positive y direction and move 1 unit. For each subsequent move, it is to turn 90 degrees clockwise and go forward 1 unit farther than it went in the previous move. What is the

264. ## english

what is a conjunction give example

We're learning direct object pronouns so I had to replace the "sellos" in the first sentence-did I do it correctly? Tú coleccionas sellos. Tú los coleccionas.

266. ## geometry

M is the midpoint of AB. AM=5x and MB=3x+4. find x.

267. ## math

explain how u round 85 to nearest ten.

268. ## chemistry

What is the molarity (M) of a 627 mL solution that contains 12.7 g of ethanol, CH3CH2OH?

269. ## college biology

In testing synaptic transmission, you found that there were 300 failures in 1000 trails of stimulating a presynaptic neuron. The average EPSP size was .7 mV +/- .2mV (mean +/- SD), and the average 'mini' EPSP size was .6mV +/- .1mV. Does the synapse obey

270. ## Algebra 2

How do you set up this?I am lost Find an equation for the linear model of the situation below and use it to make a prediction. A train is traveling north at a constant rate. At 3:00 P.M. it is 55 miles north of a city. At 4:15 P.M. it is 80 miles north of

271. ## Math Help

How would I factor the trinomial s^2-11s+30

272. ## Math Help

How do I simplify when there is a negative power? 1 over /7^-3

273. ## Basic Communication Skills

What could be another aspect when I compare and contrast 2 fast food restaurants? I've thought of the price and overall quality so far.

274. ## Chemistry

Convert a pressure of 23.8 in. Hg into kilopascal. Ok so I looked up kilopascal and it Said 1 Kpa = 1000 pa So I began to set it up like this 23.8 / 29.2 x1000 am I correct

275. ## Stats

A set of 50 data values has a mean of 15 and a variance of 25. Find the standard score of a data value = 20. I'm not sure how to do this....please help

276. ## Help plz!! Math....

A set of 50 data values has a mean of 15 and a variance of 25. Find the standard score of a data value = 20

277. ## Language Arts

In the sentence...She did not notice the hours passing. Is "not" included in the verb phrase?

278. ## law

Attorneys’ membership in local and national bar associations is: (Points: 5) required to practice law. delayed for three years from the licensing date. compulsory. voluntary. is it "compulsory"

279. ## social studies

In Korea, Modern ways are much more visible in? a)villages b)communes c)cities d)farming communities I picked B Communes but not sure

280. ## Math help

Multiply (x^4+6x)(x^4+6x) I get the answer to be 2x^8+12x^10+36X^2 I think I lost something somewhere help!!!!

281. ## Calculus

Determine the x-value for each inflection point on the graph of the following function. f(x)=3x^5-5x^4-80x^3+360x^2+1000x+850

282. ## Organic chemistry

What is the IUPAC name for--- phenyl(group)-c=o-o-ch2-ch2-ch3 ???? I put phenyl propanoate as my answer, but that was incorrect.

283. ## english

Write (3) three paragraphs with a minimum of (4) four sentences each in which you describe your experiences as a write.

284. ## College Algebra

Find the center (h,k) and the radius (r) of the circle with the given equations: 1. 2(x-2)^2+2(y+5)^2=28 2. 4x^2+4y^2-12x+16y-5=0

285. ## science

Is there such a thing as "black silver jewelry"?

This is in regard to my earlier post about the conversation- Thank you for all your help.Thank you for your patience too Could you recheck this? I don't understand about who talks much-my number 10 but I think you put it at #9You said it was the brother

287. ## accounting

I do not understand why stock option compensations need to be included as an expense when calculating the company's net income?

288. ## Chemistry

To calculate the percent error you would use the error in measurement divided by accepted value times 100 correct? So for an experiment in which you had to find the concentration of a dye in a powdered drink solution, to find the percent error would you

Write the equation of the line parallel to the line y+2x+3 containing the point (2,6). Slope intercept form.

290. ## geometry

you have a square wiht an 8-inch side. you want to draw a triangle with a base 3 times greater that a side of the square. what is the altitude of the triangle?

291. ## Math Help

Sovle w^2-13w+42=0 I get -6,-7 is this correct????

292. ## Math

The book is problem-solving strategy my question is what is counters on objects that do not belong?

294. ## Maths

The fuel rods for a certain type of nuclear reactor are bundled into a cylindrical shell. Consider this cross-section showing 19 identical fuel rods: a) If the diameter of the one rod is 2.8cm, calculate the shaded area of the cross-section. b) If the

295. ## math

one freezercan hold 100 frozen yougurt bars .how many frozen yougurt bars are in.10 freezers?60 freezers?3 freezers?100 frteezers?

296. ## Science

What is the x and y axis

297. ## Math Help

multiply (2t-7)(2t+7) Would the answer be 4t^2-28t-49? or are the signs wrong???

298. ## Math Help

If I was to write this in a decimal notation 10^-3 Would it be .00010?

299. ## algebra

how can factoring of 9x^2+18x+8 help factor 9a^2+18ab+8b^2

301. ## Math

If something is less than five what will be rounding for that number for example 43, 44, 42

303. ## impact math

explain how you could find a decimal equivalent to 9/20

304. ## Math

find the domain of the function: X/sq rt. of (x-a)

305. ## hcs/465

What is the meaning of reliability and validity as used in the research process? Provide specific examples used at workplace or in personal life?

306. ## Math help

Factor completly 3s^2-14s+8 I get 3s(s-4)-2(s-4) but I don't think I can go farther is this non factorable?

307. ## Geography

Explain the theory of plate tectonics. Explain why the zones of active volcanism and earthquakes coincide.

308. ## statistical

a real world situation problem selected address, independent dependent variables selected. statistical null alternative hypotheses a description information effect size would probabiliyt not, hypothetical results a sentence

309. ## physics

i have a big problem with 2 loads being on two different inclined planes,both attached to a pulley.How to get started.I mean u have to resolve forces and then?How du u know where is the direction of tension or acceleration because i learnt with only one

310. ## Help plz!! Math....

Start with x = 100 and add four x values to make a sample of five data such that the standard deviation of these data equals 0

311. ## Spelling vowels.

I need the sinomo job , task

312. ## Law

It is important for legal assistants to understand how to __________ like a professional. (Points: 5) a.behave, work, and dress b.move, dress, drive c.drive, shop, behave d.dress, sing, work

what is the range of 4min 30 sec, 5min 12 sec, 4min 24sec, 4min 51sec, 5min and 3sec?

314. ## math

subtract 31 m-31=r

315. ## law

In their professional capacity, attorneys strive to make sure that their clients’ interests are protected by: (Points: 5) regulation. law. the bar association. guidelines Is it "Law"

316. ## College Algebra

Find f(x-1) when f(x)=4x^2+5x+4

317. ## Social studies

Prior to 1951, what major even happened that contributed to the spike in the national debt? I NEED THIS ASAP!!!

318. ## Statistics

Start with x = 100 and add four x values to make a sample of five data such that the standard deviation of these data equals 0

319. ## math

What is the probability that one selected at random will read between -1.2 and 1.3 knots?

Describe how the owner uses capital and human resources to ensure revenue or control.

321. ## chemistry

What is the molarity (M) of a 627 mL solution that contains 12.7 g of ethanol, CH3CH2OH?

322. ## Algebra

Given the hyperbola (x2/4) – (y2/9) = 1, find the equations for its asymptotes A. x = (1/3)y, x = (–1/3)y B. y = (3/2)x, y = (–3/2)x C. y = (1/3)x, y = (–1/3)x D. x = (3/2)y, x = (–3/2)y

323. ## chemistry

I have this question: A 71.7-mL solution of 0.182 M NaOH is titrated with 0.2086 M HC. And I got the rest of the question of right...but for this one part. 4.) after addition of 50.0 mL of HCl i keep on getting 12.95 but I'm wrong...can someone tell me

324. ## math help

Divide (x^6-12x^3-35)/(x^3-7)

325. ## Biololgy

how and why will boiling affect an inorganic catalyst differently than an organic catalyst

I'm supossed to cme up with a real world problem and then solve it with decimals... HOW AM I SUPPOSED TO DO THAT??? Can anyone help me???

327. ## Math Help

(6a)^8*(6a)^7 I get 36a^15 but I feel this is wrong

328. ## social studies

what did the Arctic Region play for games :(

329. ## algebra

(x2 + 16 = 36) what is x?

330. ## math

Which number in each pair is larger? -31, -42 or -18, 0

331. ## Car Insurance Question

This is for a project, I wanted to know what automobile insurance injury loss ratings meant? I tried searching this, but could someone explain what it is?

332. ## Algebra 2

Solve for B: P.S. How do you solve for variables? Show your work. 3V=4(pi)a^2(b) I would truly appreciate it, if you helped! ^-^

334. ## operating care

When the buyer assumes full responsinility for all post-sale repairs,the vehicle is said to be sold : A:with a limited warranty B:as is C:with a full warranty D:outright i got C

335. ## math

how to solve (4.8 x 10 to the 2nd power) divided by 2.4 x 10 to the 10 th power)

336. ## sentence

what sentence can i write using the word appreciation?

337. ## social science

hey im doing a research about the golden rice. so i wnt 2 ask the following questions. wat could the benefits be of introducing golden rice?

338. ## Math

find the domain of the function: x/ã(x-4)

339. ## human services

techniques for creating behavior change outline

340. ## english

would anyone please explain simple compound and complex sentences

341. ## math

is forty-five hundredths inches longer than 9.06?

342. ## English

How would you rephrase the sentence "fashion has gone to the dogs"? Thank you.

343. ## social studies

what are new york features

344. ## U.S History

what were the effects of the sugar act?

345. ## math

whats the scientific notation? 1) 2,100,000 2) 0.0389

346. ## Math

write an addition problem that requires regrouping

347. ## Math

what is rule of rounding a number.

348. ## math

what is the value of -18+|-12|=-6

349. ## math

2+2+2+2+2+2+2+2+2+2+2+2+2+2-2+2x0