# total normal stresses of 110 and 40 kpa are applied to two planes at right angles in an element of soil. the shear stress acting on those palnes is 20 kpa. what must be the value of the pore pressure

33,844 results, page 81
1. ## stats

A normal population has mean 100 and variance 25. How large must the random sample be if we want the standard error of the sample average to be 1.5? I know the answer is 12. Would someone please be able to explain! and share what formula they used

asked by sam on December 3, 2014
2. ## statistics

The HR department of an organization collects data on employees' age, salary, level of education, gender, and ethnicity. Which data is more likely to follow normal distribution? Why?

asked by Bob on October 10, 2012
3. ## statistics

the amount of time spent in North American adults watching television per day is normal distributed with a mean of 6 hours and a standard deviation of 1.5 hours

asked by Marcus on September 6, 2010
4. ## Health

Bulimia can be difficult to discover because most sufferers hide there condition and they tend to be a normal weight, sometimes overweight*** severely underweight slightly underweight obese

asked by Jacob on May 7, 2016
5. ## agebra

The graph represents the normal distribution of recorded weights, in pounds, of cats at a veterinary clinic. Which weights are within 2 standard deviations of the mean? Check all that apply.

asked by Anonymous on July 12, 2016
6. ## physics

A car is traveling up a hill that is inclined at an angle θ above the horizontal. Determine the ratio of the magnitude of the normal force to the weight of the car when (a)  θ = 17o and (b)  θ = 30o

asked by Kyle on January 8, 2017
7. ## statistics

Consider a binomial experiment with 20 trials and probability 0.45 on a single trial. Use the normal distribution to find the probability of exactly 10 successes. Round your answer to the thousandths place.

asked by coya on May 17, 2011
8. ## physics

A car (m = 1540 kg) is parked on a road that rises 18.9 ° above the horizontal. What are the magnitudes of (a) the normal force and (b) the static frictional force that the ground exerts on the tires?

asked by Shelby on February 19, 2012
9. ## Statistics

A distribution of test scores of 600 examinees follows a normal distriburion with an everage of 80 having a standard deviation 12, how many examinees would you expect to find above a score of 100?

asked by noel on February 5, 2016
10. ## statistics

Consider a binomial experiment with 20 trials and probability 0.45 on a single trial. Use the normal distribution to find the probability of exactly 10 successes. Round your answer to the thousandths place.

asked by lee on August 2, 2011
11. ## physics

Two books of mass m1 = 6.9 kg and m2 = 3.8 kg are stacked on a table as shown in the figure below. Find the normal force acting between the table and the book on the bottom. im confused where to start

asked by tommy on September 9, 2010
12. ## PHYSICS

A car is traveling up a hill that is inclined at an angle θ above the horizontal. Determine the ratio of the magnitude of the normal force to the weight of the car when (a) θ = 15o and (b) θ = 32o.

asked by Anonymous on October 4, 2015
13. ## psychology

Aresearcher is studying people of normal weight and obese individuals.She wants to know how the time of day affects hunger feelings in these two groups. when, during the experiment, the researcher looks at her watch, she has introduced what into the

asked by SHERRY on September 12, 2012
14. ## Math

The percent of fat calories that a person in America consumes each day is normally distributed with a mean of about 36 and a standard deviation of about 10. Suppose that 16 individuals are randomly chosen. Is it appropriate to use the normal approximation

asked by Brandy on November 20, 2015
15. ## There is one more

Mr.Carter worked many hours last week overtime - his pay tripled and he received an additional \$700. What is his usual and normal weekly salary? Sorry for the spamming but I just had a 3 - question trouble. And can you tell me how I can do it? -Written

asked by Dire on June 27, 2014
16. ## Physics

A horizontal circular platform (m = 110.1 kg, r = 3.21m) rotates about a frictionless vertical axle. A student (m = 98.3kg) walks slowly from the rim of the platform toward the center. The angular velocity, omega, of the system is 3.9 rad/s when the

asked by Emily on April 6, 2016
17. ## maths

the total area is 480sq ft. if an area increases by 1ft then what is the total area

asked by amit on May 23, 2017
18. ## Programming

Design a program in pseudocode that calculates the amount of money a person would earn over a period of time if their salary is one penny the first day, and then doubles each day. The program should ask the user for the number of days. Display what the

asked by Ant on May 22, 2010
19. ## Math

Suppose you borrowed \$25,000 for a car at an APR of 8%, which you are paying off with monthly payments of \$510 for 5 years. a) What’s the loan principal? b) What’s the annual interest rate? c) How many payments do you make in a year? d) What’s the

asked by Emilio on February 21, 2016
20. ## math

For its fleet of trucks, Overland Transport, Inc., purchased 580 tires rated at 50 pounds each. The tires had a retail price of \$85 each. The sales tax in 4.5%, and the federal excise tax is \$0.15 per pound. A. What are the amount of sales tax per tire and

asked by Kik on April 9, 2014
21. ## math

For its fleet of trucks, Overland Transport, Inc., purchased 580 tires rated at 50 pounds each. The tires had a retail price of \$85 each. The sales tax in 4.5%, and the federal excise tax is \$0.15 per pound. A. What are the amount of sales tax per tire and

asked by Kik on April 8, 2014
22. ## math

For its fleet of trucks, Overland Transport, Inc., purchased 580 tires rated at 50 pounds each. The tires had a retail price of \$85 each. The sales tax in 4.5%, and the federal excise tax is \$0.15 per pound. A. What are the amount of sales tax per tire and

asked by Kik on April 8, 2014
23. ## Finance

I am very lost with this assignment can someone please help me. I just need one sample thank you. The Lanford Corporation had 2008 sales of \$110 million. The other pertinent financial data for 2008 is as follows: 2008 Sales \$110,000,000 Dividend Payout

asked by Martha on May 11, 2010
24. ## algebra 2

. A tile setter is joining the angles of two tiles, A and B, to make a 90-degree angle. The degree measure of Angle A can be represented as 3y + 2 and of Angle B as 5y. Which equation represents this situation? these are the one I neeeed help with

asked by hannah on October 24, 2013
25. ## Math

If a ray divides an angle into two acute angles, then it bisects the original angle Find the maximum area of a rectangle with the perimeter of 54 cm. Do ray CD and ray CE form line DE?

asked by Anonymous on November 1, 2009

Proving quadrilaterals PLEASE PLEASE PLEASE HELP *the diagonals of a square bisect the vertex angle * the diagonal of a rhombus are perpendicular *each diagonal of a rhombus bisects the opposite angles of the rhombus help me prove please how ? tell me

asked by Julia on September 30, 2013
27. ## math

The angles of elevation of a balloon directly above a straight road, from two points of the ground on opposite sides of the balloon, are 78¡ã15' and 59¡ã47'. If the points are 5000ft apart, what is the height of the balloon?

asked by james on July 20, 2016
28. ## math

A, B, C are three points on a horizontal plane, where A is due south of B. The bearing of C from A is 060 degrees. At B, there is a vertical mast BD. The angles of elevation of its top D from A and C are 25 degrees and 20 degrees respectively. Find the

asked by somay on January 28, 2016
29. ## trig

In a right triangle the hypotenuse has length 10 and the the sum of the cotangents of all three angles of the triangle equals 2. What are the lengths of the other two sides of the triangle? (A) 5 and 5p3 (B) 5p2 and 5p2 (C) 1 and3 p11 (D) 4 and 2p21 (E)

asked by dat on May 8, 2011
30. ## math

fedrick ordered a new sign for her store. The sign has 4 sides . It also has 2 right angles. 1 acute angle , and 1 obtuse angle . What is the shape of the sign. 1. Hexagon 2. Trapezoid 3. rhombus 4. parallelogram

asked by raj on April 10, 2014
31. ## math

In a grand prix automobile race, Speedy Ryder averaged 110 miles per hour for the first half of the course and 130 miles per hour for the second half of the course. Cannonball Carter maintained a constant speed of 120 miles per hour throughout the race.

asked by DC on December 3, 2015
32. ## Math

If the radius of a circle is 3960 the angle is 1.59 the arc length is 110 how would I find the hypotenuse? I think it is 3960/cos1.59 but I know that you just don't automatically know that wouldn't it start out as cos1.59 = A/H (adjacent/ Hypotenuse) Could

asked by Amy~ on May 25, 2011
33. ## statistics

It is a known fact that accidents happen more often driving the car rather than flying. Jim drives 180 days and flies 120 times per year. If for every 110 days driving you get into one accident and for every 10000 flying you get into 3 accidents, what is

asked by Emelda on September 29, 2014
34. ## math

In a Grand Prix automobile race, Speedy Ryder averaged 110 miles per hour for the first half of the course and 130 miles per hour for the second half of the course. Cannonball Carter maintained a constant speed of 120 miles per hour throughout the race.

asked by lucy on July 24, 2018
35. ## geometry

A news helicopter 60 meters above the road spotted two accidents. The angles of depression are 10.2° and 8.7°. How are apart are the accidents? (The accidents are in the same general direction from the helicopter.) please help. i'm not sure what i am

asked by morgan on July 6, 2017
36. ## math

Frank cut a pie into 10 equal slices. There are only 3 slices left. What is the measure of the angles for the 3 slices that are left? PLZ HELP I AM A 4 GRADER IN TROUBLE

asked by sherkiramoses on March 5, 2014
37. ## Algebra

Hi I need help with this problem full solution only please: Two angles of a triangle have the same measure and the third one is 9 degrees greater than the measure of each of the other two. Find the measure of the LARGEST angle in the triangle.

asked by Seymour on January 27, 2016
38. ## Math

A triangle has 2 angles that measure 60 each. Which of the following best describes thiz triangle. A. Right isoseles triangle B. Equilateral triangle C. Obtuse isosceles triangle D. Acute scalene triangle

asked by Help on March 2, 2011
39. ## calculus

A door is opened by pushing inward explain in terms of torque why this is most easily accomplished when pushing at right angles to the door as far as possible from the hinge side of the door?

asked by Emily on July 15, 2016
40. ## trig

At 2 points 95 ft apart on a horizontal line perpendicular to the front of a building, the angles of elevation of the top of the building are 25 degrees and 16 degrees. How tall is the building?

asked by Greg on February 14, 2011
41. ## Epidemiology

Can some one please check this for me. I am not sure if I am on the right track. Complete the problem below. Disease X is one that often results in severe illness, but never is fatal. On March 21, 1990, 30 students developed disease X among all students in

asked by DANIELLE on May 4, 2008
42. ## Chemistry

A 110.-g sample of copper (specific heat capacity = 0.20 J/°C · g) is heated to 82.4°C and then placed in a container of water at 22.3°C. The final temperature of the water and copper is 23.5°C. What is the mass of the water in the container, assuming

asked by Brittney on July 11, 2011
43. ## Computer Organization

Help me solve this question by using 1's complement (i) 110(Base2) - 010(Base2) (ii) 1010(Base2) - 1000(Base2) Help me solve this question convert The Value -40 and 52 to 8-Bit digit in form of: (i) Sign and Magnitude (ii) 1's Complement (iii) 2's

asked by Rushab on December 5, 2012
44. ## MATH-PERCENTILES

I JUST TOOK A TEAS TEST(FOR PRACTICAL NURSING ADMISSIONS). THE REQUIREMENTS MUST BE A GRADE IN AT LEAST THE 40TH PERCENTILE IN EACH SUBJECT. THERE WAS A MATH, READING,ENGLISH, AND SCIENCE SECTION. TOTAL OF QUESTIONS WERE 170.MATH-45? READING-40? ENGLISH-55

asked by TORI on February 9, 2008
45. ## Math

KILOWATT-HOURS OF ELECTRICITY USED MONTH KWH USED/ MONTH DWH USED JAN 2,640 JUL 960 FEB 2,190 AUG 1,380 MAR 1,500 SEP 1,110 APR 1,620 OCT 840 MAY 1,440 NOV 1,260 JUN 1,080 DEC 1,820 A. Describe how to find the range of the data set. B. Find the range.

asked by Denise on October 9, 2014
46. ## Physics

Car is pulling a 3198kg trailer producing a accerlation of 0.2m/s2. Frictional force on the wheels is 740n. What is the applied force on the trailer?

asked by Tahia on June 16, 2014
47. ## Physics

A force was applied on a mass of 2kg moving at velocity of 5m/s. If the velocity changed to 20m/s in 4s find the change in momentum and the force

asked by Shazra on February 4, 2013
48. ## chemistry

If 125cal of heat is applied to a 60.0-g piece of copper at 20.0(Deg C), what will the final temperature be? The specific heat of copper is 0.0920cal/(g.degC)

asked by Anonymous on February 16, 2013
49. ## Physics

A force of 20N is applied to a mass of 5kg resting on a rough horizontal surface. If the friction force is 5N, what is the acceleration of the mass?

asked by Jessica on September 14, 2014
50. ## physics

When 115 V is applied across a wire that is 10 m long, the magnitude of the current density is 1.4*10^4 A/m2. Find the resistivity of the wire. R=V/I; R=pL/A => V/I=pL/A => A(x)V/I(x)L=p :(π(5^2))(115)/(1.4*10^4)(10) Is this right? Do I just plug and chug

asked by dani on May 24, 2016
51. ## Physics

2. A person exerts a perpendicular force of 75 N on a door. Calculate the torque on the door hinges if the force is applied a distance of 30 cm, 50 cm, and 75 cm from the hinge.

asked by andrew on November 4, 2010
52. ## physics

When the frequency of a force applied to a system matches the natural frequency of vibration of the system, it starts vibrating with a: (I believe its larger amplitude)

asked by ashley -- on April 13, 2011
53. ## physics

a roller whose diamater is 1.0m.weight 360N.what horizontal force is necessary to pull the roller over a brick 0.1m,heigh when the force is applied at the centre?

asked by jack on September 10, 2011
54. ## physical

A 1.67-kg block (M1) and a 5.07-kg block (M2) are connected by a massless string. Applied forces, F1 = 11.3 N and F2 = 4.85 N, act on the blocks, as shown in the figure. a) What is the acceleration of the blocks?

asked by duygu on October 20, 2014
55. ## goverment

Which term is applied to a legislator who introduces a bill? president pro tempore sponsor of the bill proponent of the bill director of the bill B OR d

asked by jimm on March 26, 2015
56. ## PHYICAL

\ A 100 N block is on rough horizontal surface. If a horizontal force F=40 N is applied and the block just start slide. What is the value of the static coefficient.

asked by bbbb on July 8, 2012
57. ## physics

Forces of F1=975 N,F2= 745 N, f3= 1175 N and are applied at the same point. The angle between f1 and f2 is 60.0 degree and the angle between f2 and f3 is 30.0 degree. F2 is between f1 and f3 find the resultant force.

asked by carol on November 24, 2013
58. ## Science

How much work is done on the trolley by the force,if the force applied is 200N at an angle of 37 degrees to the horizontal and the trolley moves a distance of 10m.

asked by ANNAH on May 1, 2014
59. ## Physics

The coefficient of static friction between the 3.00 kg crate and the 35.0 degree incline is .300. What minimum force must be applied to the crate from sliding down the incline?

asked by Dee on September 28, 2011
60. ## PHYICAL

A 100 N block is on rough horizontal surface. If a horizontal force F=40 N is applied and the block just start slide. What is the value of the static coefficient.

asked by a AL on July 8, 2012
61. ## physics

A train is traveling south at 25.6 m/s when the brakes are applied. It slows down with a constant acceleration to a speed of 6.90 m/s in a time of 8.38 s. What is the acceleration of the train during the 8.38-s interval?

asked by Anonymous on September 8, 2015
62. ## PHYICAL

100 N block is on rough horizontal surface. If a horizontal force F=40 N is applied and the block just start slide. What is the value of the static coefficient.

asked by a on July 8, 2012
63. ## science

A uniform solid sphere is placed on a smooth horizontal surface and a horizontal force F is applied on it at a distance h above the surface. The acceleration of the center?

asked by harry on December 27, 2015
64. ## algebra

Chris has \$100 in his savings account and he adds \$20 a month to the account. The total amount can be represented by the linear function T = 20x + 100. His goal is to have a total of \$300 in four more months. What should he change in the function to reach

asked by Nikki on May 21, 2013
65. ## Solutions

When adding 100mL of water to a solution of 50grams of KI in 400mL of water, the total amount of KI in the new solution will be how many grams? Did I miss something here? The total amount of KI, if no extra is added and none taken away, MUST be 50 grams?

asked by Kellie on February 25, 2007
66. ## I need help!

You and some friends rent a limousine for a formal reception the bill for the evening is \$53.00. A tax of 6% will be added to your total. And you want to tip the chauffeur for his excellent driving. you decide to leave him a tip that is 20% of the bill

asked by DJ on January 2, 2018
67. ## algebra

The total sales made by a salesperson was \$25,000 after 3 months and \$68,000 after 23 months. Using an equation for the line whose graph depicts this data, predict the total sales after 40 months

asked by allice on August 23, 2010
68. ## Math

X Number Of Months 1 2 3 4 Y Total Charges 170 230 290 350 What is the independent quantity? What is the dependent quantity? I know that independent means the one that changes. Would the total charges be independent

asked by M on November 11, 2014
69. ## Math

Alex scored 13 points in the basketball game. This was 1/5 of the total points the team scored. Write and solve an equation to determine the total points t the team score.

asked by rachel on September 24, 2012
70. ## math

Grandpa says sam can have all the coins in his pocket if he discover the correct total valeu of the coins. What is the total value of the coins in grandpas, pocket that same should discover?show all mathematical thinking.

asked by Anonymous on August 4, 2016
71. ## Math

Lucas says that since 40x70 and 60x50 both have factors with a total of two zeros, they will both have products with a total of two zeros. Is this correct? Explain. 40x70=2800 and 60x50=3000. They both have zeros in the answer. Right

asked by Amari on October 2, 2014
72. ## math

The total sales made by a salesperson was \$25,000 after 3 months and \$68,000 after 23 months. Using an equation for the line whose graph depicts this data, predict the total sales after 40 months.

asked by Anonymous on July 30, 2010
73. ## math

while waiting in the checkout line at the grocery store you add the prices up of your 3 items to make sure you have enough money.explain how to use mental math and the properties of addition to find the total costs of 3 items if the prices are \$1.85,

asked by hunter on February 20, 2011
74. ## math

You and some friends rent a limousine for a formal reception. The bill for the evening is \$70.00. A tax of 8% will be added to your total, and you want to tip the chauffeur for his excellent driving. You decide to leave him a tip that is 20% of the bill

asked by jjiiddss on February 17, 2016
75. ## maths-equation

Six persons initiated a campiagn against child labour. Each time they visit a new locality, two persons join them in the campaign from that locality. Taking x as the no. of localities and y as the total no. of persons, form a linear equation in two

asked by anoynomous on March 6, 2013
76. ## Chemistry

The total volume of seawater is 1.5 times 10 to the twenty- first power L. Assume that seawater contains 3.1 percent sodium chloride by mass and that it's density is 1.03 g/mL. Calculate the total mass of sodium chloride in kilograms and in tons. ( 1 ton =

asked by Brooklynn on August 25, 2012
77. ## economics

A research firm calculated that students who attend University spend about \$2,760 each in the local economy for a total of \$50.45 million. In total, the impact of their spending on the local economy is £63 million. Calculate the size of the student

asked by tommy on May 17, 2013
78. ## Correcting Math

You and some friends rent a limousine for a formal reception. The bill for the evening is \$65.00. A tax of 7% will be added to your total, and you want to tip the chauffeur for his excellent driving. You decide to leave him a tip that is 20% of the bill

asked by Agal on November 29, 2016
79. ## Math

Question: over the last year, stormy and her 2 sisters saved money for their family trip this summer. They are now getting right to know how much they can spend on each of the 15 days of their trip. If they saved a total of \$420, what is the total amount

asked by Abbey on June 2, 2015
80. ## Math

Jean has a total of 24 coins consisting of just quarters and nickels. The coins total \$3.40. How many of them are quarters?

asked by Gemma on December 9, 2013

what is the mathematical relationship between the total charge in the nuclei and the total charge of the nuclei in the products.

asked by Anonymous on December 16, 2009
82. ## MATH

35 PERCENT OF THE TOTAL LENGTH OF THE SCREEN AT THE IMAX IS 51.8 FEET. wHAT IS THE TOTAL LENGTH OF THE SCREEN?

asked by kim on April 28, 2015
83. ## Accounting

A company had stock outstanding as follows during each of its first three years of operations: 2,500 shares of \$10, \$100 par, cumulative preferred stock and 50,000 shares of \$10 par common stock. The amounts distributed as dividends are presented below.

asked by Ant on June 15, 2013
84. ## Statistics

Airline overbooking is a common practice. Many people make reservations on several flights due to uncertain plans and then cancel at the last minute or simply fail to show up. Jet Green airlines’ planes hold 100 passengers. Past records indicate that 20%

asked by Precila on April 16, 2013
85. ## Statititics

Airline overbooking is a common practice. Many people make reservations on several flights due to uncertain plans and then cancel at the last minute or simply fail to show up. Jet Green airlines’ planes hold 100 passengers. Past records indicate that 20%

asked by bobb on April 19, 2016
86. ## Math

20.Proms earned 82 dollars last week.She earned 6 dollars each hour and received a bonus of 10 dollars for exceptional work.Which equation can be used to find h the number of hours Proma worked last week A.6h+10=82 B.6h-10=82 C.10h+6=82 D.10h-6=82 A An

asked by Jerald on March 23, 2013
87. ## Physics

I was wondering if you could clarify this question. How much thermal energy is needed to change 100 g of ice at -20 degrees celsius into steam at 110 degrees celsius? Q = mLv (Lv = Specific latent heat of vapourization) I can't find the Lv for ice. Is this

asked by JavaUtility on March 1, 2016
88. ## Physics

Two blocks lie on a triangle as shown in the figure. Block m has a mass of 5 kg and block P has a mass of 14 kg. Assume the inclines and pulleys are frictionless find the tension in the string. They lie with the string resting on the peak of a 110 degree

FORMAT INSTRUCTIONS Each question requires the use of MINITAB to solve. Please submit your work as a WORD or similar document. You can prepare this by cutting and pasting the results generated in MINITAB to such a document. Then you can edit that file with

asked by Amer on April 20, 2015

FORMAT INSTRUCTIONS Each question requires the use of MINITAB to solve. Please submit your work as a WORD or similar document. You can prepare this by cutting and pasting the results generated in MINITAB to such a document. Then you can edit that file with

asked by Amer on April 20, 2015
91. ## Math

Please Help!!!! I do not understand and if someone could help that would be great! Thanks !! Problem #1: Find the total amount if you deposit \$500 at a rate of 5% for two years using simple interest. Year 1 Year 2 Problem #2: Find the total amount if you

asked by Lela on March 10, 2017
92. ## Physics

A car moving with a speed of 180km/h was brought uniformly to rest by the application of the breaks in 20s. How far did the car travel after the breaks were applied?

asked by Coco on March 7, 2016
93. ## Geometry

If the rule (x, y) ¡ú (x + 3, y ¨C 3) is applied to the original triangle, give the coordinates of and draw the image. Show your work for calculating the coordinates of the resulting image.

asked by Christian on September 25, 2011
94. ## Physics

A hydraulic hoist has a ram of 30 cm diameter and a plunger of 1 cm diameter. If 70 N effort is applied to the plunger and the efficiency is 80%, find the maximum load it can raise.

asked by Z on March 7, 2017
95. ## physics

A car starts from rest and travels for 4.5 s with a uniform acceleration of +1.8 m/s2. The driver then applies the brakes, causing a uniform acceleration of -1.8 m/s2. The breaks are applied for 1.80 s.

asked by jake on September 4, 2012
96. ## Kinematics. Newtons Laws

Two objects are in contact on a frictionless surface. A horizontal force is applied to one object as shown in the figure below. Use m1 = 1.2 g, m2 = 254 g and F = 0.7 N to find the force between the two objects.

asked by Natasha on October 6, 2009
97. ## history

After being elected, President Nixon continued the process of "Vietnamization"... Can anyone explain what is meant by this term, "Vietnamization" (as applied by both the Johnson and Nixon administrations)?

asked by meshelle on May 15, 2011
98. ## Physics

Two objects are in contact on a frictionless surface. A horizontal force is applied to one object as shown in the figure below. Use m1 = 1.2 g, m2 = 254 g and F = 0.7 N to find the force between the two objects.

asked by Natasha on October 6, 2009
99. ## Physics

Given: 90m skid mark .50 coefficient of friction between the tires and skid mark How fast is the car moving when the brakes initially applied?

asked by JC on November 18, 2010
100. ## Chemistry

Three 75.0-g samples of copper, silver, and gold are available. Each of these samples is intially at 24.0 degrees C, and 2.00 kJ of heat is applied to each sample. Which sample will end up at the highest temperature?

asked by Joe Schmo on May 1, 2011