# Questions Asked onOctober 27, 2012

2. ## college math

3.15 A bank branch located in a commercial district of a city has developed an improved process for A bank branch located in a commercial district of a city has developed an improved process for serving customers during the noon-to-1:00 p.m. lunch period.

3. ## calculus

The volume V of a cube with sides of length x in. is changing with respect to time. At a certain instant of time, the sides of the cube are 6 in. long and increasing at the rate of 0.3 in./sec. How fast is the volume of the cube changing at that instant of

4. ## geology

what is the Sample Locality Age (Million years)in Granite: Scottish Highlands, Gabbro: Sudbury Canada and Gneiss: Greenland?

5. ## physics

Piston 1 has a diameter of 0.643 cm. Piston 2 has a diameter of 4.59 cm. In the absence of friction, determine the force required on piston 1 necessary to support an object, m, with weight 1151 N. (Neglect the height difference between the bottom of the

6. ## tri

Points A and B are separated by a lake. To find the distance between them, a surveyor locates a point C on land such that ÐCAB = 48.8°. He also measures CA as 318 ft and CB as 523 ft. Find the distance between A and B. Please round the answer to the

7. ## math

The following is a set of data from a sample of n = 5: 7 4 9 8 The following is a set of data from a sample of n = 5: 7 4 9 8 2 a. Compute the mean, median, and mode. b. Compute the range, variance, standard deviation, and coefficient of variation. c.

8. ## geometry

Each base of an isosceles triangle measures 42 degrees, 30'. The base is 14.6 meters long. a. Find the length of a leg of the triangle b. Find the altitude of the triangle c. What is the area of the triangle?

9. ## Physics HELP!

A coin rests 18.0 cm from the center of a turntable. The coefficient of static friction between the coin and turntable surface is 0.420. The turntable starts from rest at t = 0 and rotates with a constant angular acceleration of 0.650 rad/s2. (a) After

10. ## Statistics

The manager of the customer service division of a consumer electronics company was interested in determining whether customers who had purchased a DVD player over the past 12 months were satisfied with their products. Using the warranty cards submitted

11. ## calculus

c)The price (in dollars) p and the quantity demanded q are related by the equation: p2+2q2=1100. If R is revenue, dR/dt can be expressed by the following equation: dR/dt=A(dp/dt), where A is a function of just q. i)Find A. ii)Find dR/dt when q=20 and

12. ## Spanish help!

Complete with ser. Puerto Rico y la Republica Dominicana _____ dos islas en el mar Caribe.

13. ## Science

Fill in the blanks: 1. Minerals are classified in many ways, including hardness, streak, and _______ properties. 2. There are some minerals that are valued as _______ because of their hardness, color, and beauty. 3. Non-silicates make up less than 10% of

14. ## Physics

A 35 kg box rest in the bed of a truck. The coefficient of static friction between the box and the truck bed is 0.30 and the coefficient of friction of kinetic friction is 0.10. A) Calculate the maximum acceleration the truck can have before the box slides

15. ## Calculus

Let R be the region bounded by y=6sin((pi/2)x), y=6(x-2)^2, y=3x+3 containing the point (2,6). Find the area of R, find the volume of R rotated about the x-axis, find the volume of R rotated about the y-axis, and Suppose R is the base of a shape in which

16. ## calculus

lim x^(3)+x x->2 Suppose x^(2)+1 is greater than equal to f(x) is greater than equal to 4x-3 for all x. Compute lim f(x) x->2

17. ## Economics

Would Wells Fargo's market structure be Monopolistic competition?

18. ## Physics URGENT!!!

A coin rests 18.0 cm from the center of a turntable. The coefficient of static friction between the coin and turntable surface is 0.420. The turntable starts from rest at t = 0 and rotates with a constant angular acceleration of 0.650 rad/s2. (a) After

19. ## biology

When the stereocilia of a hair cell in the inner ear bends, it causes: a. potassium ions to enter the hair cell b. you to hear low frequency sounds c. chloride ions to leave the basilar membrane d. all of the above

20. ## applied algebra

An artifact was found and tested for its carbon-14 content. If 74% of the original carbon-14 was still present, what is its probable age (to the nearest 100 years)? Use that carbon-14 has a half-life of 5,730 years. 1 yr

21. ## physics

A computer is reading data from a rotating CD-ROM. At a point that is 0.0382 m from the center of the disk, the centripetal acceleration is 118 m/s2. What is the centripetal acceleration at a point that is 0.0791 m from the center of the disc?

22. ## Algebra

The table shows men's shoe sizes in the United States and the corresponding European shoe sizes. Let y = f(x)represent the function that gives the men's European shoe size in terms of x, the men's U.S. size. Men's U.S. shoe size, Men's European shoe size 8

-15-√-18/33

24. ## stat

AluminiCorp is a major producer of aluminum cans that produces 40 billion aluminum cans every year. You work as a quality control officer for AluminiCorp, and are responsible for ensuring that the aluminum cans produced meet certain specifications. Each

25. ## Math

dx/dy cos x sin y + x^5 = 11 i got dx/dy= (-cos x cos y)/ (-sin x sin y +5x^4) But the wolfram got (1- cos x cos y)/(5x^4-sin y sin x), where is the 1 come from?

26. ## Chemistry

I did a melting point test for menthol and the question is asking what type of compound is demonstrated and the answer should include inter molecular forces I also need to explain this same question for a solubility in water test and solubility in oil test

27. ## Physics

A railroad car (m=3000 kg) is coasting along a level track with an initial speed of 22 m/s. A load of coal is then dropped into the car as sketched in the figure below. (a) What are the velocities of the car and the coal before the collision along the x

28. ## Physics

The particles in the figure below (m1=1.6 kg and m2=3.5 kg) undergo an elastic collision in one dimension. Their velocities before the collision are v1i=12 m/s and v2i=-7.5 m/s. Find the velocities of the two particles after the collision. (Indicate the

29. ## geometry

graph ABCD...is it a square...A(-3,1) B(1,4)C(4,0)D(0,-3) JUSTIFY YOUR ANSWER AND SHOW WORK..THANK YOU

30. ## math

a fair of die is tossed 180 times. Find the probability P that the face 6 will appear between 29 and 32 times inclusive?

31. ## physics-mechanics-collisions,momentum, impulse

You are at the controls of a particle accelerator, sending a beam of 2.40×107 protons (mass ) at a gas target of an unknown element. Your detector tells you that some protons bounce straight back after a collision with one of the nuclei of the unknown

Point S is the midpoint of RT. compplete the statement: ST = 11 in., RT = __

asked by rawr... im a dinosaur.... rawr
33. ## Algebra

If a number is not a rational number then it is a? 1.an integer 2.an irrational # 3.a whole # 4.a radical I believe its irrational but that seems to easy? Please help

34. ## Math

1)one number is four more than a second number. Twice the second is three more than the first. Find the numbers. 2)four times one number minus a second is 11, and the sum of the numbers is 14. Find the numbers.

35. ## Science Asap

As a substance is heated from its liquid phase to its gas phase, what happens to the spacing and speed of its molecules? Thank You for helping.

36. ## Physics

How do you know how long you need to draw the vectors? Like if the gravity vector line is longer than the normal force, or if the friction line is longer than the applied force or whatever..?

37. ## math problem

Two large containers each contain the same amount of juice. When 54oz. of the first container are poured into the second container, the second container has 4 times as much juice as the first container. How many ounces of juice did the first container

38. ## science

what is grossular used for

39. ## Python - Tkinter

how can I make my program to freeze in certain conditions .. unless I click "r" it will continue to work ?

40. ## Math - 10th grade

Simplify: (1-i)^3 Here's how I break it down using the formula (x-y)^3 but I just don't know how to get to the final answer. Please help. = 1-3i+3(i)^2-(i)^3 Thank you

41. ## geography

what happens the the mass of moist air with the type of precipitation relief? what happens the the mass of moist air with the type of precipitation frontal? what happens the the mass of moist air with the type of precipitation convectional?

Part of a roller-coaster ride involves coasting down an incline and entering a loop 30.0 m in diameter. For safety considerations, the roller coasters speed at the top of the loop must be such that the force of the seat on a rider is equal in magnitude to

A open-topped box can be created by cutting congruent squares from each of the four corners of a piece of cardboard that has dimensions of 20cm by 30cm and folding up the sides. Derermine the dimensions of the square that must be cut to create a box with a

44. ## physics

An evacuated spherical diving bell containing a camera is in the ocean at a depth of 107 m. It has a flat, transparent, circular port with a diameter of 10.5 cm. Find the magnitude of the total force on the port. For the density of seawater use 1025 kg/m3.

45. ## math problem

In the multiplication at the right,A,B,C represent different non-zero digits. each time the same letter appears it presents the same digit. Find the 2 numbers represnted by AA and BC.(0is zero). A A x B C ------ B B O A A ------- 6 6 0

46. ## Math 9

Please help me on this question. Thanks! One pole measured 1.35m and the smaller pole measured 0.83m. They needed to be tied together. They were attached by overlapping the ends and tying them together. The length of the overlap was 12cm. What is the total

I know how to do this problem, but I am having a difficult time figuring out the distance . I thought that from wire 1 to P2 the distance is 45 cm, and the distance from wire 2 to the p2 the distance is 35 cm. However, I believe I am wrong, can someone

48. ## Goverment

What is a bias paragraph?

49. ## calculus (math)

Simplify exactly log_2 1/16

50. ## math

t(seconds) 0 1 2 3 4 5 s(feet) 0 10 32 70 119 178 Find the average velocity for the time period beginning when t=2 and lasting 1.3s Estimate the instantaneous velocity when t=2

51. ## Physics

A car of mass 1100 kg starts from rest at sea level and climbs a hill of altitude 50 m. At the top of the hill the car has a speed of 25 m/s. From the top of the hill the driver turns off the engine and coasts down to an altitude of 15 m. Assume the

52. ## Spanish help!

Y quienes _____? Complete with ser. THNX!!!

53. ## Physics

A block is resting at the top of a rough incline with coefficients of kinetic and static friction of 0.25 and 0.45 respectively. The angle of the incline is gradually increased until the block begins to slip. Calculate the angle that the block begins to

54. ## Physics HELP!

A toy race car starts from rest on a circular track of radius 4.30 m. The cars speed increases at the constant rate of 8.80 m/s2. At the point where the magnitudes of the centripetal and tangential accelerations are equal, determine (a) the speed of the

55. ## Accounting

Which of the following would be most likely to lead to a higher level of interest rates in the economy? Answer a. Corporations step up their expansion plans and thus increase their demand for capital. b. Households start saving a larger percentage of their

56. ## Physics

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, as shown in the figure. Find the force necessary to start the crate moving, given that the mass of the crate is m = 29 kg and the

57. ## Physics URGENT!!!

A massless spring of constant k =84.8 N/m is fixed on the left side of a level track. A block of mass m = 0.5 kg is pressed against the spring and compresses it a distance d, as in the figure below. The block (initially at rest) is then released and

58. ## Accounting

Which of the following would be most likely to lead to a higher level of interest rates in the economy? Answer a. Corporations step up their expansion plans and thus increase their demand for capital. b. Households start saving a larger percentage of their

A luggage carousel at an airport has the form of a section of a large cone, steadily rotating about its vertical axis. Its metallic surface slopes downward toward the outside, making an angle of 21.0° with the horizontal. A 37.0 kg piece of luggage is

60. ## chemistry

if 3.0 moles of nitrogen gas are collected in a 35.0 liter container at 20 C what would be the the pressure exerted on the container in atmospheres

61. ## biology

If your ears were larger, you would: a. be able to hear sounds at lower amplitude (softer sounds) b. lose the ability to hear low amplitude high frequency sounds c. not experience any difference in your hearing ability d. none of the above

62. ## physics

Calculate the magnitude of the electrostatic force the two down quarks inside a neutron exert on each other if they are separated by a distance of 0.71 fm.

63. ## math

7 less than 3 times x

64. ## PHYSICS!

In scuba diving, a regulator is used so that the pressure of the air the diver breathes is close to that of the ambient water. A reckless swimmer decides to use a hose sticking out of the surface to breathe underwater while diving in a lake. When the air

65. ## math problem

In the multiplication probelem at the right,A,B,C represent different non-zero digits. Each time the same letter appears it represents the same digit. Find the 2 numbers represnted by AA and BC.(0 is zero). A A x B C ------ B B O A A ----- 6 6 0

66. ## Personal Finance

determining the future value of education jennyfranklin estimates that as a result of completeing her naster's degree she will earn \$7,000 a year more for the next 40 years what would be the total amountof these additional earnings?

67. ## management science

Kim Davis has decided to purchase a cellular phone, but she is unsure about which rate plan to select. The "regular" plan charges a fixed fee of \$55 per month for 1,000 minutes of airtime plus \$0.33 per minute for any time over 1,000 minutes. The

68. ## Art 101 college

Explain how Florence reflects the ideals of the dominant city-state and how some of the geographical, economical, social, and artistic forces shape this ideal. Use one example from Gardner’s Art through the Ages and one example from the Internet.

69. ## Health

Gonorrhea is spread through contact with the ________. A. Anus, !@#\$%^&, Mouth, Skin B. !@#\$%^&, Anus, Mouth, !@#\$%^& C. !@#\$%^&, Skin, !@#\$%^&, Anus D. Mouth, !@#\$%^&, !@#\$%^&, Fingers I think it's B?

70. ## Grand Canyon University

Show that 480 W of power is expended by a weightlifter when lifting a 60-kg barbell a vertical distance of 1.2 m in a time interval of 1.5 s.

71. ## College math

(-2+6i)+(4-i)

-8i(2i-7)

3/4+i

√-81- √-144

(-2+√-11)^2

(2-3i)(3+5i)

77. ## Physics

A bullet of mass m=0.060 kg hits a 5.0 kg block with an initial speed of 225 m/s. The block is connected to a spring that is attached to a wall. The friction between the block and the table is negligible. Upon impact, the bullet bounces back from the box

78. ## organic chemistry

Arrange the following compounds in order of increasing ease of elution from an activated alumina column: a. Cyclohexane b. Butyl acetate c. Benzoic acid d. M-xylene e. Decyl alcohol

79. ## math

Two swimmers competed in a 20 mile race. Person 1 swam at a rate of 4 miles every 25 minutes. Person 2 swam at a rate of 3 miles every 20 minutes, Who won and what was each swimmers time?

80. ## statistics

determine whether the following formula is a probability distribution P(X)=X/20 for X=1,4,7 AND P(X)=X+0.1 for X=0.24,0.26,0.15

81. ## math

i don't know but the question is to circle the object that is heavier(shoe,sock,feather,marble,brick and tape measure)i know a brick,and the tape measure is heavy but i'm not sure about the shoe and the marble

82. ## physics

An airplane traveling 1007 m above the ocean at 150 km/h is going to drop a box of supplies to shipwrecked victims below. (a) How many seconds before the plane is directly overhead should the box be dropped?(b) What is the horizontal distance between the

83. ## Physics

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, as shown in the figure. Find the force necessary to start the crate moving, given that the mass of the crate is m = 36 kg and the

84. ## math help

1/4 divided by 3/8 pls help me im confuss i forgot the ste pls explain

85. ## physics

A railroad car of mass 2.7 104 kg moving at 3.50 m/s collides and couples with two coupled railroad cars, each of the same mass as the single car and moving in the same direction at 1.20 m/s. (a) What is the speed of the three coupled cars after the

86. ## Math

A local animal shelter had four more than six times as many adult cats as kittens. After eight of the kittens were adopted, the shelter had four fewer than eight times as many adult cats as kittens. How many adult cats are at the shelter?

87. ## Calculus

lim (2Q^(2)+5)/(q+2) q->2 lim |y+3| y->-3

88. ## calculus

Write a formula for f^-1 (x) if f(x) = (x+5)/(3x-4) and state the domain of F^-1

89. ## geometry

graph ABCD...is it a square...A(-3,1) B(1,4)C(4,0)D(0,-3) JUSTIFY YOUR ANSWER AND SHOW WORK..THANK YOU

90. ## computer science

Write a method main that demonstrates class Employee's capabilities by creating two Employee objects. Initialize one of the objects (give values to the instance variables) using the constructor and display its instance variable values through the display

91. ## Physics

The soccer goal is 32.26 m in front of a soccer player. She kicks the ball giving it a speed of 20.62 m/s at an angle of 28.29 degrees from the horizontal. If the goalie is standing exactly in front of the net, find the speed of the ball just as it reaches

92. ## Physics

HELP ! Two acrobats, each of 60.0 kg, launch themselves together from a swing holdings hands. Their velocity at launch was 8.00 m/s and the angle of their initial velocity relative to the horizontal was 46.0 degrees upwards. At the top of their trajectory,

93. ## Alegebra

what is one-fourth the sum of n and 2 equals one

How are a segment bisector and midpoint of a segment related?

asked by rawr... im a dinosaur.... rawr
95. ## bio

the genotype of a particular autosomal trait refers to: a) the appearance of that trait b)the allele responsible for the trait c)the 2 alleles an individual has fot that trait d) one of the genes of a chromosomal trait

96. ## financial accounting

The lake theater opened on april 1.all facilities were completed on march 31. During april,the following events and transactions occured. Apr.2 paid film rental of \$800 on first movie. 3 ordered two additional films at \$1,000 each. 10 made \$2,000 payment

97. ## Physics

You have a boat that is capable of moving at 14.5 m/s through still water. You wish to cross a river that flows due north at 5.3 m/s. At what numerical compass heading must you pilot your boat so that you will reach a destination that is due west of your

98. ## math help

1/3 . 7 help me plss is it gonna be 7/1 or 1/7

99. ## Math problem

Mrs. Jones owns 4/7 of the stock in a small business and Mrs.Brown owns the rest. Mrs. smith agrees to give \$21,000 in exchange for 1/3 of the stock. The \$21,000is to be divided between Mrs. jones and Mrs. Brown so that all three will now have equal share

100. ## math

2poles are placed vertically in a pool.one third of the longer pole and two fifths of the shorter pole is under water.if the difference in leng 42 cm,how deep is the pool?th

101. ## math

two numbers have a sum of 600,if the smaller number is divided into the larger number,the quotient is 3 and the remainder is 24.what is the larger number?

102. ## math

5 people took turns to sit in the two seats so that each person had equal time to sit.if the total took 1 hour 10 minutes,how long did each person have the seat for?

103. ## Chemistry Stoichiometry

Sulfuric acid can dissolve aluminum metal according to the following reaction. Suppose you wanted to dissolve an aluminum block with a mass of 25.7 . How many grams of H2 gas would be produced by the complete reaction of the aluminum block?

104. ## gts

examined 200 primary oocytes, in how many would you expect to see a chiasma between the two loci ?

105. ## Chemistry

0.3 grams NaOH dissolved in 2.5litres. How many moles?

106. ## physics

A long thin rod is cut into two pieces, one being as long as the other. To the midpoint of piece A, piece B is attached perpendicularly, in order to form the inverted "T" shown in the figure. The application of a net external torque causes this object to

107. ## physics

In co2 laser, the co2 vibrates when it collides with nitrogen atoms instead of getting excited to next level.Why? why is this vibration after collision is not seen in Helium-neon laser?please explain me

108. ## maths magic

There are A,B,C,D at one end of the bridge.they have to cross within 17 minutes.only 2 can cross the bridge at atime .since it is very dark one has to come back to show the light and its said that A can cross the bridge in 1 min ,B can cross at 3min ,C in

109. ## Pre-Algebra

Write the expression for a number used as a factor fifteen times being multiplied by the same number used as a factor ten times. Then, write the product as one power. Thanks, Michaela

110. ## chem

why is the ring of ammonium chloride closer to the hydrochloric acid end in the ring of gases experiment? i can say is that NH4Cl has greater amount of molecular weight than ammonium. is it right. pls help

111. ## Math

How to d/dx y= (9+((x-9)/6)^1/5)^1/2 ? Hope u can give me the way how to calculate it. ^^ I got 1/60 ((x-9)/6) ^ (-9/10), i think my answer is wrong because i check at wolfram website the ans is differrent from mine (sorry i didn't write the ans bcus the

112. ## Math

The product of two consecutive postive even numbers is 1088. What are the numbers.

113. ## Math

Slove equation 5x^2= 29x +6.

114. ## Math

How do you graph the line, y=3x+8.

115. ## Math

X^2-2x-15= can this be done.

116. ## Algebra

Solve the equation 4L/5=3 L=

117. ## calculus

lim (x^(2)-4)/(x-2) x->2 lim x->1 (x+1)/(x-1)

119. ## math

Simplify each of the following exactly: (8^(-1000) sqr2^10000)/16^500 log_(8) 2

120. ## math

why does 3/10-2/11 =13/110?

121. ## math

2/3x4 in simplest form

122. ## chem

How Graham's Law can be used to predict the ring of gases that will occur in the glas tube.

123. ## Physics

An archer wishes to shoot an arrow at a target at eye level a distance of 45.0 m away. If the initial speed imparted to the arrow is 68.2 m/s, what angle should the arrow make with the horizontal as it is being shot?