# 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

33,545 results, page 61-
## Chemistry

The vapor pressure, P, of a certain liquid was measured at two temperatures, T. Represented in a table: T (in Kelvin) ------- P(in kPa) [325] --------------- [4.00] [775] --------------- [8.59] What is the enthalpy of vaporization for this liquid? (Delta H

*asked by Eric on January 23, 2012* -
## math

What is the union of the 4 half-planes determined by 2 intersecting lines. a. the entire plane b. the entire plane except for the two intersecting lines c. the entire plane except for one of the lines d. the entire plane except for the point of

*asked by Anonymous on November 6, 2018* -
## Math

The cost for a business to make greeting cards can be divided into one-time cost (e.g., a printing machine) and repeated costs (e.g., ink and paper). Suppose the total cost to make 30 cards is $800, and the total cost to make 550 cards is $1,300. What is

*asked by Anonymous on October 21, 2015* -
## math

I need help calculating (a) the total installment price. (b) the carrying charges, and (c) the number of months needed to save the money at the monthly rate to buy the item below for its cash price (remember to round up). A bike with a cash price of $500,

*asked by Carly on January 26, 2010* -
## Physics

Why would normal force be set to zero to calculate the minimum possible speed a rider can have at the top of a loop. Please i need help, this is due in few hours

*asked by Ted on April 18, 2013* -
## stat

Find the area under the standard normal curve to the left of z = 1.88, P(z < 1.88). (Give your answer correct to four decimal places.)

*asked by janet on July 7, 2012* -
## maths

find equations for the tangent and the normal at P (1n2, 2k) on the curve with equation y=ke^x, where k is a constant. (b) given that y=sin^-1x, show that (1-x^2)d^2y/dx^2-xdy/dx=0

*asked by skangele on October 3, 2013* -
## Science

The normal melting and boiling point of O2 are -218C and 49.8atm. a)Sketch the phase diagram for O2. b) Which is denser, O2(S) or O2 (l)? explain.

*asked by Joseph on August 21, 2010* -
## statistics

A population of scores forms a normal distribution with a mean of µ = 40 and a standard deviation of SD = 12. a. What is the probability of randomly selecting a score less than X = 34?

*asked by Anonymous on June 3, 2011* -
## Math

The functional determinant of x, e^x, and e^-x is equal to___ The orthogonal trajectory of y^2 - x^2 = C is__ The slope of the normal line to y^2 = x/2 at P(1/8,1/4) is ____ help please...

*asked by Alvin on December 14, 2009* -
## english

The antonyms of ignore,optimistic,humility,indolent,boring,attack,normal,innocuous,preserve,commence

*asked by chi on January 24, 2013* -
## math

Find two point on a circle x^2+y^2=1 where the slope of the tangent line is -2 write the equation for the normal lines at these points.

*asked by help on October 10, 2010* -
## Math

Find the z-scores that bound the middle 55% of the standard normal distribution ____ small value _____ larger value

*asked by Teresa on May 11, 2013* -
## calculus

Given f(x,y,z)= use stokes theorem to determine the flux integral curlF dot ds, where S is the graph of z=9 - x^2 - y^2 for z>=0 , oriented by the upward normal. please help!

*asked by sam on December 15, 2014* -
## Math

A district mathematics test for third-graders had a normal distribution with a mean of 74 and a standard deviation of 11. What percentage of students scored between 63 and 85?

*asked by Clement on February 15, 2016* -
## math check

Consider a normal population with ì = 49 and ó = 6. Calculate the z-score for an x of 44.2 from a sample of size 22. (Give your answer correct to two decimal places.) 3.75 is what I got.. and I have only one more try on this one.

*asked by Sue 74 on June 17, 2013* -
## Biology

How does meiosis and fertilization in humans and other sexual reproductive organisms maintain the normal chromosomes number for each species?

*asked by Anonymous on April 9, 2016* -
## chemistry

The normal boiling point of Rh is 3727°C. What is its vapor pressure in mm Hg at 2914°C, if its heat of vaporization is 557.0 kJ/mol?

*asked by hershi on February 5, 2014* -
## Math

Find the z-scores that bound the middle 55% of the standard normal distribution ____ small value _____ larger value

*asked by Teresa on May 11, 2013* -
## statistics

a standardized test has a mean of 88 and a standard deviation of 12. What is the score at thr 90th percentile? Assume a normal distribution.

*asked by cw on February 8, 2011* -
## Science - Pls Help! Thanks ' (:

normal double glazing windows is made from two layers of glass with air trapped in between them. So How Can They Keep The House Warm ??

*asked by fern on January 11, 2009* -
## Statistics

Find the number x such that the proportion of observations that are less than x in a Normal distribution with mean 100 and standard deviation 25 is 0.3. (Use 2 decimal places.)

*asked by Sarah Lacks on May 31, 2016* -
## trigonomentry using either exponential or complex

give the expansion of sin^8@ as a series of cos@ plz help me i only know the normal way of doing that but i do not know how to apply complex number or exponential

*asked by sam on September 21, 2016* -
## science

when light travels from air into glass at an angle of incidence greater than o degrees, how is it bent in relations to the normal?

*asked by siva on December 6, 2013* -
## math check

Find the area under the standard normal curve between -1.32 and the mean, P(-1.32 < z < 0.00). (Give your answer correct to four decimal places.) 0.0968

*asked by Nora 62 on June 2, 2013* -
## stats

Some IQ tests are standardized to a Normal model with a mean of 100 and a standard deviation of 16. About what percent of people should have IQ scores above 116?

*asked by Jamie on September 26, 2010* -
## biology

How does meiosis and fertilization in humans and other sexual reproductive organisms maintain the normal chromosomes number for each species?

*asked by Hannah on April 11, 2016* -
## biology

what genotypes would I use on a punnett sqare to shoe a man(color blind) and a woman (homozgous for normal vision

*asked by debbie on February 25, 2009* -
## college

Consider a normal population with μ = 36 and σ = 4.9. Calculate the z-score for an x of 47.6 from a sample of size 14. (Give your answer correct to two decimal places.)

*asked by samantha on July 23, 2012* -
## 12th

Assuming a normal distribution of Blood pressure of a mean of 120 with standard deviation of 10, what person would be considered to be unusual ?

*asked by michael perez on November 10, 2015* -
## medical terminology

the period of time when the uterus returns to its normal size is the? A) luteal phase B)menarche C)puerperium D)ovulation

*asked by ceecee on October 17, 2010* -
## physics

why is it that drivers place cement blocks and other heavy items in the trucks of their vehicles? (think of friction and normal force)

*asked by William on October 24, 2014* -
## maths

find equations for the tangent and the normal at P (1n2, 2k) on the curve with equation y=ke^x, where k is a constant. (b) given that y=sin^-1x, show that (1-x^2)d^2y/dx^2-xdy/ dx=0

*asked by gibbsm on October 6, 2013* -
## public health

Most of the increase in medical cost is due just to normal inflation that has affected the entire economy.” Comment on the above statement.

*asked by thafer on March 29, 2011* -
## Grammar

There is normal DTRs noted on examination. The prosthetic hardware was freed from the surrounding tissues and removed. I think both sentences are ok as are.

*asked by Cathy on November 10, 2014* -
## BUSINESS 101

If a firm has a current ratio of 2.00,it means that for every $2in ___it has $1in___ A.total assets;current liabilities B.current assets;current liabilities C.total assets;total liabilities D.current assets;total liabilities my answer is c can somebody

*asked by bella on October 15, 2013* -
## math

Brenda has taken out a $1300 loan to pay for a hot tub. She will make monthly payments for a year at an interest rate of 10 %, compounded monthly. How much interest will she end up paying? Select one: a. $213.45 b. $71.49 c. $112.56 d. $110.89 What i don't

*asked by Miyabi123456789 on June 6, 2017* -
## Math

Hey guys I need some help with this question PLZ: A telecommunications company offers a rental deal which costs $30 per month plus 50c per call. a) Find the total cost (T1) for making x calls in a given month b)Find the total cost for making 52 calls in a

*asked by Liam on November 4, 2015* -
## Science

1 kg of Nitrogen is mixed with 3.5 m3 of hydrogen at 300 K and 101.3 kPa and sent to ammonia converter. The product leaving the converted analyzed 13.7% ammonia, 70.32% hydrogen and 15.98% nitrogen. (a) Identify the limiting reactant? (b) What is the

*asked by Man Singh Chouhan on March 26, 2015* -
## physics

If a car is travelling at 60. miles per hour and the brakes are applied so that it accelerates at -15.0 ft/s2, how many feet will it take to stop? i realize i am posting a lot of questions, but i don't understand them!

*asked by Anonymous on January 21, 2011* -
## physics

Suppose that in the same Atwood setup another string is attached to the bottom of m1 and a constant force f is applied, retarding the upward motion of m1. If m1 = 5.30 kg and m2 = 10.60 kg, what value of f will reduce the acceleration of the system by 50%?

*asked by TPAIN on October 25, 2009* -
## science

A 1600kg car starts at rest and reaches 40 m/s in 6 seconds. I need to find: a) the change in kinetic energy b) work c) distance d) applied force of the engine

*asked by Abby on May 15, 2017* -
## Physics

Suppose that in the same Atwood setup another string is attached to the bottom of m1 and a constant force f is applied, retarding the upward motion of m1. If m1 = 5.30 kg and m2 = 10.60 kg, what value of f will reduce the acceleration of the system by 50%?

*asked by Rachel on October 25, 2009* -
## Physics

The flywheel is initially at rest. A force of 250 N is applied tangentially to the rim, causing it to rotate about its central axis. what is the energy acquired by it after 1 minute? can anyone help me with this?

*asked by Oisin on August 11, 2010* -
## PHYSICS HELP

A disk has a moment of inertia of 3.0x10^-4 and rotates with an angular speed of 3.5 rad/sec. WHat net torque must be applied to bring it to rest in 3.0s? can some one help me out with this im lost!!!

*asked by PHYSICS HELP on November 14, 2007* -
## physics

When brakes applied to a moving car travelling at 60km/hr it decelerates at a uniform rate of 5ms-2. Calculate the time taken to reach a velocity of 36km/hr

*asked by bola on February 23, 2010* -
## Written communication

Often applied to politicians, the term _______ suggests hiding one's feelings while obscuring or "spinning" facts. A. vacillate B. simulate C. dissimulate D. dissemble plz help me

*asked by Tank on August 26, 2014* -
## English

Sigmund Freud coined the term _______,which he applied to people who were extremely self-absorbed. A. Dryad B. suspension of disbelief C. moral D. narcissistic Answer: B?

*asked by Ciara on March 4, 2013* -
## Physics

What net braking force must be applied to stop a car with a mass of 900 kg initially travelling at a velocity of 100 km/h within a straight-line distance of 50 m?

*asked by Syafiqa on July 17, 2010* -
## Chemistry

A clear colorless liquid in an open beaker was heated to boiling. The liquid began to boil at 110°C, and as vapors escaped, the temperature of boiling gradually increased to 115°C, at which the heating was stopped. On the basis of this information, we

*asked by Chris on May 12, 2010* -
## chemistry

A clear colorless liquid in an open beaker was heated to boiling. The liquid began to boil at 110°C, and as vapors escaped, the temperature of boiling gradually increased to 115°C, at which the heating was stopped. On the basis of this information, we

*asked by jasmine on May 18, 2010* -
## Physics/Math

A stuntman drives a car (without negative lift) over the top of a hill, the cross section of which can be approximated by a circle of radius R = 110 m. What is the greatest speed at which he can drive without the car leaving the road at the top of the

*asked by COFFEE on February 13, 2007* -
## Physics

How come a heavy truck and a small car can both travel safely at the same speed around an icy, banked-curve road? I would think that since mass is increased, normal force is therefore increased, and force of friction is therefore increased. And since the

*asked by Hannah on October 20, 2010* -
## Biostats

I am having problems in this course with following the professor. Can anyone help me with this problem Thanks need to calculate 99% CI for true mean with the following data: n=100, mean is 126 with sample variance of 402. I have to know the answer,

*asked by Grace on June 8, 2007* -
## Accounting

March 3 Inventory units 60 per unit $1,500 total $90,000 March 8 Purchase 120 units $1,800 per unit total $216,000 March 11 Sal units 80 per units $5,000 total $400,000

*asked by Pat on August 28, 2011* -
## engineering

in a proposed telesurgery application the image will be transmitted at 2*10^8m/s ovwe a roundtrip distance of 740km, the compression and decompression process for the images will take a total of 60m/s. what is the largest permissible value for the sources

*asked by Kenji86 on April 15, 2010* -
## chemistry

Given the following chemical reaction: Zn+HCl-->ZnCl2+H2(g) If you measured the total volume of collected gas over water at 20 degrees celcius t be 428ml at a total pressure of 845 torr, how many milliliters of 2.6M HCl would be required to produce the

*asked by regina on December 5, 2010* -
## Physics

If 400 gm of aluminum are put into 200 gm of water at 20 C in 110 gr. calorimeter of specific heat .093, and the temp.or stable equilibrium is 28.8 C, what is the initial temperature of the aluminum? specific heat of aluminum is .22..

*asked by Lambo on December 6, 2012* -
## physics

a helicopter is ascending vertically with a speed of 5.20 m/s. at a height of 110 m above the Earth, a package is dropped from a window. how much time does it take for the package to reach the ground ? (hint: v0 for the package equals the speed of the

*asked by mary on April 15, 2012* -
## science

how do you do this question An aqueous solution of calcium chloride contains 2 grams of calcium chloride ( molar mass 110.98 g mol-1) in 100 ml calculate the concentration of chloride ion (Cl-) in the solution

*asked by Slaysliver on January 22, 2009* -
## math

The ratio of the tens digit to the units digit is 1:4. If the digits are reversed, the sum of the new number and the original number is 110. Find the original number by using a systems of equations with elimination

*asked by misa on September 11, 2008* -
## pprecalc

a windshield wiper on a a plymouth acclaim is 20 in. long and has a blade of 16in long. if the wiper sweeps through an angle of 110 degree, how large an area does the wiper blade clean?

*asked by greeny on October 3, 2012* -
## Medical Information Management and office practice

At Allendale Psychiatric Hospital, the hospital census on January 4 is 110. According to the following data, what's the hospital census for January 5? Admissions 10 Discharges 2 A & D A. 99 B. 100 C. 108 D. 118 What is the correct answer?

*asked by jules on January 9, 2011* -
## Chemistry

Suppose that you had a mercury-in-glass thermometer and calibrated to measure temperatures from -10 degrees C to 110 degrees C and you wished to measure a temperature of approximately 115 degrees C accurately. How might you use your thermometer to do it?

*asked by James on April 3, 2011* -
## Algebra

Ms. Jones has two job offers as a car salesperson. At one dealership, she will receive $600 per month plus a commission of 2% of the total price of the automobiles she sells. At the other dealership, she will receive $1000 per month plus a commission of

*asked by Tucker on January 31, 2013* -
## Chemistry

I need to find out what the total acid concentration is in Kool-Aid. If 23.3 mL of 0.1043M NaOH neutralize a 60 mL solution of Kool-Aid (10 mL) and water (50 mL), what is the total concentration in a 10.00 mL aliquot of Kool-Aid? If you prepared a standard

*asked by Julie on February 15, 2011* -
## Early Child Ed.

Can you please check my questions and answers? 1. A three-year-old child who is developmentally delayed might: A. need training wheels on his two-wheel bike. B. speak in two-word sentences C. not be able to read. D. need someone to help cut his meat at

*asked by Tamera on July 12, 2007* -
## physics

What is the magnitude of your total displacement if you have traveled due west with a speed of 23 m/s for 125 s , then due south at 12 m/s for 255 s ? 2sf What is the direction of your total displacement in part A.

*asked by sintia on February 20, 2017* -
## Algebra/Word problem

media services charges $20 for a phone and $30/month for its economy plan. what is the total cost for 10 months service C(t)= 30t +20= total cost is $500 for 10 months?

*asked by Amy on September 8, 2010* -
## statistics

The pie chart below shows how the total annual income for a certain family is spent. If the total annual income is , what amount is budgeted for Savings and Insurance combined?

*asked by donna on January 4, 2016* -
## math

Tim sells sneakers. He receives $9.75 an hour and 3% commission on sales. One week he works 24 hours and his sales total $1,879.95. What are his total earnings for the week ? Please help

*asked by sam on March 23, 2015* -
## algebra

a) Find a polynomial R(p) that represents the total revenue when the shirts are p dollars each. b) Find R(5), R(10), and R(20). c) Use the bar graph to determine the price that will give the maximum total revenue.

*asked by Anonymous on November 12, 2010* -
## math

In December the average total rainfall in all of the deserts together is 0.89mm.Explain how to use the figures from the table to write a comparison of the total desert rainfall in August and December.

*asked by tiffany on March 31, 2011* -
## Accounting

Cupid Co. has total assets of $600,000 and its liabilities are equal to two-thirds of its total assets. What is the amount of Cupid Co.'s Owner's Equity? Please explain how you got this answer.

*asked by Anon on February 8, 2017* -
## financial math

Mary is buying several items that cost $128.25 total. She is using a store coupon for 35% off her purchases. She has to pay 4% sales tax. Calculate the total cost of the items.

*asked by Anonymous on January 24, 2013* -
## Biology

Heterozygous tall and red flowered pea plants were selfed and total 2000 seeds are collected. What is the total number of seeds for both heterozygous traits?

*asked by Mini on March 5, 2018* -
## Math

A cashier has a total of 37 bills consisting of ones, fives and twenties. The number of twenties is 15 less than the number of ones. The total value of money is $191. How many of each denomination of bill are there? There are ___ ones, ___fives,

*asked by Dustin on September 6, 2016* -
## Business math

what the rebate of the finance charge and payoff would be if the pickup truck loan were paid off after 27 months instead of 60. Total of monthly payments 60 x 194.38. I don't know how to get the total finance charge

*asked by Rebecca on November 14, 2010* -
## Physics

A car goes North at 55mi/hr for 1.3 hrs. It then goes East at 65mi/hr for 45 min. What is the total distance travelled, total displacement,average speed and average velocity of the car?

*asked by Erica on September 9, 2016* -
## Algebra

Write a system of equations to model the problem and solve the system: Benjamin has nickels and dimes and his toy bank he has a total of 45 coins the total value of $3.60. How many coins of each kind does he have?

*asked by Brianna on November 27, 2014* -
## Algebra

Write a system of equations to model the problem and solve the system: Benjamin has nickels and dimes and his toy bank he has a total of 45 coins the total value of $3.60. How many coins of each kind does he have?

*asked by Brianna on November 27, 2014* -
## Albegra

Tickets to a school play were sold for $3.50 for each adult and $2.00 for each child. A total of 325 people attended the play and the total amount that was taken in was $875. How many of each kind of ticket was sold.

*asked by Lurye on October 23, 2015* -
## Physics

Three charges q1= 2uc(0,0)cm q2=4uc(0,10)cm and q3=_3uc(15,0)cm acts on one another, find the magnitude of the total electric force and the angle that the total electric force makes with positive x_axis.

*asked by Gboss on July 22, 2018* -
## MATH

PLEASE HELP ME PLEASE I REALLY NEED HELP!!!!!!!! :-( Complete the table below.Draw the next few squares as needed.Write all ratios in simplest form. Shaded Blocks: 1 | 4 | 9 | 16 | 25 | | ----------------------------------------------------- Total Blocks:

*asked by Jen on November 28, 2013* -
## Math

Each week Rosa receives a salary of $200 plus a 6 percent commission on her total sales. To the nearest dollar, how much would Rosa have to sell in one week to earn a total of $300

*asked by Stephanie on October 21, 2017* -
## geometry

An open rectangular glass tank with a horizontal base PQRS measures 80 cm by 50 cm by 34 cm. 110 liters of water is poured into the tank. v The tank is tilted towards edge PQ until the water just reaches the edge TU. w Calculate the value of d. s

*asked by pamela on June 19, 2012* -
## physics

A light spring having a force constant of 110 is used to pull a 15.0 sled on a horizontal frictionless ice rink. The sled has an acceleration of 1.60 ? [2/27/12 9:41:56 PM] Matt Yeager: By how much does the spring stretch if it pulls on the sled at

*asked by Charlie on February 28, 2012* -
## Math Trivia! :)

Three friends arrive at an In late one night and rent a room for $30 (each of them contribute $10). THe next mornnig, the Innkeeper decides to give them a $5 discount because of a leak in the roof. Since he can't split the $5 evenly, he gives each of the

*asked by Dawn on February 14, 2011* -
## Summer School Calculus

Add the following vectors , 7m/s [N30E] and 2m/s [S17E], using trigonometry. Once you draw these out into diagrams, you use the triangle law yes? How do you find the angles to use in the cosine and sine law? A little confused, thanks for the help.

*asked by Derek on June 29, 2008* -
## physics

Two sound sources radiating in phase at a fre- quency of 540 Hz interfere such that maxima are heard at angles of 0◦ and 21◦ from a line perpendicular to that joining the two sources.

*asked by Anonymous on March 8, 2011* -
## Pre-Algebra

Can someone help me with this one- Quadrilaterals are a special type of polygon because _______________. A. they always have exactly four sides B. the sum of their interior angles always measures 180° C. they always have opposite sides that are parallel

*asked by mysterychicken on May 26, 2009* -
## Math

The directions that came with the kite pattern that Andre ordered on the internet said to cut out 2 supplementary angles so that the measure of one is twice the measure of the other. How many degrees are in each angle? Justify your answer.

*asked by Jenny on February 18, 2014* -
## trig

Find all angles θ between 0° and 180° satisfying the given equation. (Enter your answers as a comma-separated list. Round your answers to one decimal place.) cos θ = 1/7

*asked by stellar on September 30, 2011* -
## math

calculate the measures of the point angles of the star-shaped polygons shown. I know you can see the firgure but its 140 degree angle. To measure them do I do 360/140=2.57?

*asked by Alvin on April 7, 2010* -
## geometry

If four angles of a convex pentagon measure 120°, 93°, 108°, and 101°, find the measure of the fifth angle. Show equations and work that lead to your answer.

*asked by sharon on January 8, 2012* -
## Trig

Find all angles θ between 0° and 180° satisfying the given equation. (Enter your answers as a comma-separated list. Round your answers to one decimal place.) Sin θ = 1/4

*asked by Amanda on November 9, 2015* -
## trig

TA and TB are two cables helping to brace a 500 ft radio tower, FT. If the angles which the cables make with the horizontal are 62 and 50 (degrees), find the distance between their anchor points

*asked by Michael on May 10, 2010* -
## physics

a fire hose hold near the ground shoots water at speed of 6.8 m/s at what angle(s) should the nozzle point in order that the water land 2 dm away why are there two diffent angles?

*asked by kit flores on September 6, 2014* -
## physics

A girl uses a spanner of length 20cm to tighten a nut. If she pulls at right angles to the end of the spanner with a force of 50N,calculate the moment of her pull

*asked by atiyya on November 19, 2016* -
## Physics

A loudspeaker of mass 20.0kg is suspended a distance of h = 1.60m below the ceiling by two cables that make equal angles with the ceiling. Each cable has a length of l = 4.00m .

*asked by Anonymous on September 30, 2013*