
physics
A billiard ball moving at 6.00 m/s strikes a stationary ball of the same mass. After the collision, the first ball moves at 5.39 m/s, at an angle of 26.0 with respect to the original line of motion (a) Find the velocity (magnitude and direction) of the
asked by Anonymous on October 19, 2011 
physics
One gram of water changes from liquid to solid at a constant pressure of one atmosphere and a constant temperature of 0°C. In the process, the volume changes from 0.90 cm3 to 1.10 cm3. The work done by the water is .02J, but I'm not sure how to find the
asked by Rob on November 17, 2011 
math
A tree on a hillside casts a shadow 200 ft down the hill. If the angle of inclination of the hillside is 23 to the horizontal and the angle of elevation of the sun is 54, find the height of the tree. Please round the answer to the nearest integer.
asked by amaa on November 29, 2012 
Job: Quick Question
Hello, I am a college student who is currently living in New York city. Do you know of any legitimate job websites that would help me find fulltime or parttime jobs in the New York City Area. I have been to hotjobs, careerbuilder, monster... do u know of
asked by Mia on February 2, 2009 
Caculus
y = 500/1+75e^.625 x = egg mass y = number of tree (thousand) The function is show the forest defoliation1. Find the percent of forest defoliation if the egg mass are 100? (Using derivative) Thank you
asked by alex on November 2, 2011 
Physics
A meter stick whose mass is 0.200 kg is supported at the zero cm mark by a knife edge and a force F at the 100 cm point. A mass of 700 grams is attached to the stick at 40 cm mark. Find the magnitude of N and F in Newton's.
asked by Lauren on November 16, 2016 
math
A ball is dropped from the roof a building which is 256 m high. The height h of the ball at any instant t is described by h(t) = – 16t2 + 256 Find i) Instantaneous velocity of ball at t = 3 seconds ii) The time taken by ball to reach the ground level.
asked by malik on October 12, 2015 
physics
Starting at rest at the edge of a swimming pool, a 72.0kg athlete swims along the surface of the water and reaches a speed of 1.15 m/s by doing the work Wnc1 = +170 J. Find the nonconservative work, Wnc2 done by the water on the athlete.
asked by Ed on November 16, 2011 
biology
Name at least 3 useful purposes for bacterial endospores. I have only 2, which are: produce antibiotics and produce toxins that kill insects. Also, how is the spore location within the cell used to differentiate species? All I could find is that the
asked by Holly on February 2, 2010 
Electricity
Find the voltage across each resistor in a series circuit. Note: R is the lowest value and all others are multiples of that value as indicated. (there is no diagram for this circuit) double battery cell = 15v resistor1 = R resistor2 = 2R resistor3 = 4R my
asked by anonymous on April 15, 2019 
Maths
Mrs jasmine Invested $4000 in a building society which paid simple interest at a rate of 7.25% per annum to its investors. After 2 years, the rate was increased to 7.6% per annum. Find the amount she had T the end of 7 years
asked by Ranya on February 11, 2018 
BIO. LIFE SCIENCE
IN GARDEN PEAS, THE ALLELE FOR TELLOW PEAS IS DOMINATE T OTHE ALLELE FOR GREEN PEAS. SUPPOSE YOU HAVE A PLANT THAT PRODEUCES YELLOW PEAS, BUT YOU DON'T KNOW WHETHER IT IS HOMOZYGOUS DOMINANT OR HETEROZYGOUS. WHAT EXPERIMENT COULD YOU DO TO FIND OUT?
asked by DREW on May 12, 2010 
anthropology
I am so confused!! Can anyone help me by explaining what it means by international development? Provide 2 reasons in support and 2 against the position that anthropologists should be involved in applying their knowledge and skills to the goals of
asked by Savannah on September 26, 2017 
diff calculus
1.) triangular corner lot has perpendicular sides of lengths 120 feet and 160 feet. Find the dimensions of the largest rectangular building that can be constructed on the lot with sides parallel to the streets.
asked by west on October 17, 2014 
Math
The angle of elevation from Jet fighter. A ground on 60 degree after a flight takeoff 15 seconds the angle of elevation 30 degree if you at speed of 720 km per hour then find the constant height reached at the flying
asked by Himanshu on December 21, 2018 
maths word problem help!
A and B are two alloys of gold and copper,prepared by mixing metals in the ratio 7:2 and 7:11 respectively.if equal quantity of alloys are melted to form a third alloy C.find the ratio of gold and C show working thanks GOD bless
asked by luiz on April 8, 2016 
Maths: Probability Distrubution
The consecutive interarrival times of a certain arrival process are i.i.d. random variables that are equally likely to be 5, 10, or 15 minutes. Find the expected value of the length of the interarrival time seen by an observer who arrives at some
asked by Fin on December 3, 2018 
Calculus
A blast blows a rock straight up at 150 ft/sec. The path of the rock is described by the s(t) = 150t16t^2 where s is measured in feet and t in seconds. Find the velocity of the rock when it is 200 ft above the ground and when the rock hits the ground.
asked by Desperate!!!! on February 18, 2012 
math
A square canopy is supported on 4 corners by poles. Each pole is supported by 3 cables, each cable is attached to the top of the 12 foot pole and 5 feet away from the base. Find he total length needed for all of the cables.
asked by Anonymous on January 14, 2016 
Science
A car weighing 15,000N rounds a curve of 60m at an angle of 30 degrees. Find the friction force acting on the tires when the car is travelling at 100kph. The coefficient of friction between tires and the road is 0.90
asked by Marck on August 18, 2014 
Math
Find the derivative of y=(sinx/(1+cosx))^2. I used the chain rule, but the second part involved the quotient rule which gives a very complicated expression that u do not know how to simplify. Could you please give me a detailed step by step solution for
asked by Beth on December 27, 2015 
math
Assume that the weight loss for the first tow months of a diet program has a uniform distribution over the interval 6 to 12 pounds. Find the probability that a person on this diet loses more than 11 pounds in the fisrt two months. How do you do this, is
asked by Rmz on January 27, 2010 
PreCalculus
Consider a class with 10 sophomores, 8 juniors, and 6 seniors. Two students are selected at random. 1) What is the probability of selecting 1 junior and 1 senior. 2) Find the odds of selecting two students who are not seniors. How do I set these up to
asked by Lucy on September 14, 2008 
physics 2 !!**
A 8 kg crate is placed at rest on an incline plane (s=0.8, k=0.5), whose angle is 60o. It then slides 3 m down the incline. work done by gravity: ?J work done by friction force: ?J Using your results from part a, find the speed of the crate after sliding
asked by kelsey on October 6, 2008 
Math
The revenue from the sale of a product is, in dollars, R = 1500x + 3000(2x + 3)^−1 − 1000 where x is the number of units sold. Find the marginal revenue when 150 units are sold. (Round your answer to two decimal places.)
asked by KeAndre on February 9, 2017 
Calculus
Suppose a reflector is attached to a 26 inch diameter bike wheel, 8 inches from the center. If the bike wheel rolls without slipping, find parametric equations for the position of the reflector. I thing i use parametrics????
asked by Reggie on December 9, 2012 
Chemistry
What's the difference between a galvanic and electrolytic cell when trying to find which halfrxn is the anode or the cathode? So like when you have two equations, depending on what kind of cell it's in, how can you tell which one is the anode and which
asked by Nikki on April 13, 2010 
maths
A building is in the form of a cylinder surmounted by a hemispherical vaylted dome and contains 1144/21 m3 of air. If the internal diameter of the dome is equal to 4/5th of the total height above the floor, find the height of the building
asked by Anonymous on December 19, 2012 
physics
to move a crate across a rough floor ,you push on it at an angle of 21degrees below the horizontal. find the force necessary to star the crate moving ,given that the mass of the crate is32kg and the coefficient of static friction between the crate and the
asked by shadad on February 5, 2012 
Calculus
Find the length in the first quadrant of the circle desribed by the polar equation r = 2sin theta + 4 cosTheta. The circle is graphed in the accompanying figure. A. (Square Root 2)Pi B. (Square Root 5)Pi C. 2Pi D. 5Pi
asked by Anonymous on August 7, 2012 
Calculas
A book designer decided that the pages of a book should have 1in. margins at the top and bottom and 1 2 in. margins on the sides. She further stipulated that each page should have an area of 52 in.2. Find a function in the variable x, giving the
asked by Hannah on September 8, 2013 
College Algebra and Trigonometry
A weight is attached to an elastic spring that is suspended from a ceiling. If the weight s pulled 1 inch below its rest position and released its displacement in inches after t seconds is given by x(t)=(5pt+p/3. Find the first two times for which the
asked by Madlyn Roberts on April 30, 2014 
sc
A garden pea plant heterozygous for both stem height allele and flower colour is crossed with another plant which is dwarf and white in flower colour.Find the genotypic and phenitypic ratio of their offspring
asked by chn kh on August 20, 2017 
physics
8. a light beam enters a piece of window glass (n=1.47) at an incidence angle of 59. Find the angle it makes to the normal as it exists from the other side of the flat window glass. What general rule can you conclude?
asked by alessandra on December 5, 2012 
Applied Calculus......
A book designer decided that the pages of a book should have 1in. margins at the top and bottom and 1/2 in. margins on the sides. She further stipulated that each page should have an area of 60 in.2. Find a function in the variable x, giving the area of
asked by Jacob on January 29, 2013 
Math
Can some please explain what I have to do to get the answer? An airplane passes directly over Seneca High School. A student at Cherokee High School, which is 4.3 miles away, finds the angle of elevation of the plane to be 19°. Find the altitude of the
asked by Claire on July 16, 2015 
classroom management
I need to find the meaning of the ff: terms...please help... Aspects of Classroom Teaching: 1. Approaches a. assertive b. behavior modification c. group guidance d. business academic e. group management 2. Classroom Management and Discipline please help
asked by klar maesen on January 8, 2008 
math
Triangle CAT is located at C (5, 2), A (4, 4), T (1, 2). Find the coordinates of its image after a dilation with a scale factor of 4. 19. Square ABCD was dilated to form square A’B’C’D’. What scale factor was used? 20. Tell whether the pair of
asked by answer's please on November 8, 2018 
math
a hotel chain charges $120 per room and rents an avg of 40 rooms per night at this rate. For each $10 reduction in price, they rent an avg of 10 more rooms. Find the rate they should be charging to maximize revenue. Help please! Thanks!
asked by cat on April 6, 2011 
Math
The size of the beaver population at a national park increases at the rate of 4.3% per year. If the size of the current population is 142, find how many beaver there should be in 4 years. Use the function f(x)=4e^0.043t and round to the nearest whole
asked by Anonymous on December 19, 2018 
physics
Four charges with equal magnitudes of 6.50 x 1015 C are placed at the corners of a rectangle. The lengths of the sides of the rectangles are 4.07 cm and 5.28 cm. Find the magnitude of the electric field at the center of the rectangle, assuming that three
asked by Mike on February 9, 2012 
probablity
The consecutive interarrival times of a certain arrival process are i.i.d. random variables that are equally likely to be 5, 10, or 15 minutes. Find the expected value of the length of the interarrival time seen by an observer who arrives at some
asked by Anonymous on December 11, 2018 
physics
A centrifuge in a medical laboratory rotates at an angular speed of 3,550 rev/min. When switched off, it rotates through 54.0 revolutions before coming to rest. Find the constant angular acceleration (in rad/s2) of the centrifuge.
asked by jojo on March 25, 2016 
math
Suppose that people's heights (in centimeters) are normally distributed, with a mean of 175 and a standard deviation of 6. We find the heights of 40 people. (a) How many would you expect to be between 169 and 181 cm tall? 127 27 (b) How many would you
asked by apryl on September 7, 2011 
Algebra
I am having a hard time with this question. A boat went 15 miles downstream in 1 hour and then returned upstream to its dock in 5/3 hours. if the current of the stream was constant, find the speed of the boat in still water and the speed of the current
asked by Marina on October 27, 2015 
statistics
Assume that a set of test scores is normally distributed with a mean of 100 and a standard devaiton of 20. Use the 689599.7 rule to find the following quantities: a. percentages of scores less than 100 b. relative frequency of scores less than 120
asked by terry on July 19, 2010 
Statistics
Suppose that out of 15,351 convicts who escaped from U.S. prisons, only 7667 were recaptured. Let p represent the proportion of all escaped convicts who will eventually be recaptured. Find a point estimate for p. Round your answer to four decimal places.
asked by Desperate on July 8, 2012 
Algebra
You have 600 feet of fencing to enclose a rectangular plot that borders on a river. If you do not fence the side along the river, find the length and width of the plot that will maximize the area. What is the largest area that can be enclosed?
asked by Tori on October 17, 2010 
English
Okay my English teacher set up this assignment to relate a person (needs to be alive) to a character in the a man for all seasons by Bolt. I chose Richard rich, but I am failing to find someone.. any idea of who I can relate Richard rich to?
asked by JL on July 14, 2009 
physics!
An electric car accelerates for 8.0s by drawing energy from its 320V battery pack. During this time, 1300C of charge pass through the battery pack. Find the minimum horsepower rating of the car. I need some ideas to do it!!PLEASE HELP!!!THANK YOU SO
asked by Karmen on March 26, 2008 
Probability
Let X be a random variable that takes nonzero values in [1,∞), with a PDF of the form fX(x)=⎧⎩⎨cx3 if x≥1, 0,otherwise. Let U be a uniform random variable on [0,2]. Assume that X and U are independent. What is the value of the constant c? c=
asked by A on April 20, 2014 
math(urgent)
At the end of every year for 3 years, RM1000 will be invested in an account that offers 8% compounded annualy.Find the account amount at the end of the 3 years. the answer is $ 3246.40 in my calculation i solve 1000(1+o.08/1)^(31) =11664
asked by fizz on May 15, 2014 
math
Using the present value formula you deposit $12,000 in an account that pays 6.5% interest compounded quarterly. A. find the future value after one year? B. Use the future value formula for simple interest to determine the effective annual yield?
asked by marie on August 14, 2011 
Geometry
Find the perimeter of a region bounded on three sides by a rectangle with a base of 600 ft and a height of 800 ft and bounded above by a semicircle with a radius of 300 ft. Use the approximation π = 3.14. (Do not include the lower half of the semicircle
asked by Juanita on March 7, 2017 
Math
A set of wrenches with metric unit sizes consists of those listed in the next chart. Convert each size to a corresponding U.S. customary unit wrench. In each case, find a U.S. customary size rounded to the nearest 1/32 of an inch.
asked by Anonymous on June 27, 2017 
PreCalculus
I am having trouble with several problems: 1) Find the coordinates of the center, foci, and the vertices, and the equations of the asymptotes of the graph of the equation (x+1)^2/2  y^2/8 =1 2) Write the standard form of the equation of the circle that is
asked by Lucy on September 27, 2008 
ALGERBRA
THE PRINCIPAL IS BORROWED AT SIMPLE INTREST RATE OF R FOR A PERIOD OF TIME t. Find the simple interest rate owned for the time use of the money. Assume 360 days in a year. P=$5000, R=8.5% t =9 months.
asked by JOHN DUNN on May 29, 2014 
physics
A 300g particle oscillating in SHM travels 35cm between the two extreme points in its motion with an average speed of 30cm/s. Find: a) The angular frequency. b) The maximum force on the particle. b) The maximum speed.
asked by kara on February 13, 2017 
Principal of Math
a tree casts a shadow 29m long. at the same time the shadow cast b a 61cm tall statue is 82cm long. find the height of the tree. round results to the nearest unit.
asked by Christine on April 14, 2013 
Physical Science
Judy (mass 45.0 kg), standing on slippery ice, catches her leaping dog, Atti (mass 12kg), moving horizontally at 4.0 m/s. Use the conservation of momentum to find the speed of Judy and her dog after the catch.
asked by Shannon on September 19, 2013 
Tech Math
A 490 newton woman stands on a bathroom scale while riding in a elevator that is accelerating downward at 2m/sec/sec. Find her apparent weight and her apparent mass. Compare to her starting mass.
asked by Jennifer on July 19, 2012 
statistics
On standard IQ tests, the mean is 120 and the standard deviation is 15. The results are very close to fitting a normal curve. Suppose an IQ test is given to a very large group of people. Find the percent of people whose IQ score is less than 120.
asked by Anonymous on February 16, 2012 
Civics
You pick up a newspaper and are disappointed to find that part of the headline is missing. It reads, "Youngest candidates ever! Presidential candidate is __________; candidate for Senate is __________." Complete the headline by filling in the blanks. 20;25
asked by MeowCat97 on October 22, 2015 
College Physics
A convergent lens forms a real image 2.41 times the size of the object. The distancebetween object and image is 62.6 cm.Find the distance of the focal point fromthe center of the lens.Answer in units of cm
asked by Molly on July 3, 2012 
probability
The consecutive interarrival times of a certain arrival process are i.i.d. random variables that are equally likely to be 5, 10, or 15 minutes. Find the expected value of the length of the interarrival time seen by an observer who arrives at some
asked by David on November 27, 2018 
Physics 1
At t = 0, a stone is dropped from a cliff above a lake; 1.3 seconds later another stone is thrown downward from the same point with an initial speed of 33 m/s. Both stones hit the water at the same instant. Find the height of the cliff. No idea how to get
asked by PhysicsGuy on September 20, 2011 
College Trigonometry
From a point 200 yards from the foot of a building, the angle of elevation to the top of the building is 37 degrees. Find the measure of the angles of the triangle formed by the building, the ground, and the line of sight to the top of the building?
asked by Marie on January 16, 2013 
College Algebra and Trigonometry
A weight is attached to an elastic spring that is suspended from a ceiling. If the weight s pulled 1 inch below its rest position and released its displacement in inches after t seconds is given by x(t)=(5pt+p/3. Find the first two times for which the
asked by Madlyn Roberts on April 30, 2014 
Algebra 2
For a typical basketball shot, the ball's height in feet will be a function of time in flight in seconds, modeled by an equation such as h = 16t^2 + 40t + 6. Find when the shot might reach the height of the basket which is 10 feet.
asked by Eenra on April 16, 2016 
STATS
Suppose we are testing the null hypothesis H0: ì = 20 and the alternative Ha: ì 20, for a normal population with ó = 5. A random sample of 25 observations are drawn from the population, and we find the sample mean of these observations is = 17.6. The
asked by Tracy on April 5, 2014 
Algebra
Solve the system of equations and check your solution. x^2+y^2=25 x+2y=10 I tried but I got only the 2 x values 8 plus or minus the square root of 164 all over 2. I know the answer is wrong but I can't find my mistake. Can you show me stepbystep how to
asked by Anonymous on April 6, 2016 
PreCalculus
I am having trouble with several problems: 1) Find the coordinates of the center, foci, and the vertices, and the equations of the asymptotes of the graph of the equation (x+1)^2/2  y^2/8 =1 2) Write the standard form of the equation of the circle that is
asked by Lucy on September 28, 2008 
Grade 11th Physics
This question is based upon differential calculus. Velocity of the particle is given by the equation: v = (2t^2+5)cm/s. Find: (i) The change in velocity of the particle during the time interval t1 = 2s and t2 = 4s. (ii) Average acceleration during the
asked by Akashdeep on July 8, 2010 
math
At takeoff, a plane flies at an angle of 10° with the runway. After it has traveled a ground distance of 2,800 feet, find the vertical distance the plane has gained from takeoff. Round your answer to the nearest foot.
asked by queen on January 25, 2019 
Computers
I have an assignment where I had to interview a classmate about an experience over the Summer. He told me about his trip to California, to participate in a boot camp for the company Idel Information. The class was soon over, and I did not find out much
asked by Coralia on September 22, 2008 
Statistics
Please Help!!! I am having a small Problem Working this Problem. I am just not understanding. Could someone please assist? The lifetime of a brand of DVD player follows a normal distribution with a mean of 8 years and a standard deviation of 6 months. Find
asked by Stacy on December 5, 2012 
statistics
The average age of a vehicle registered in the U.S. is 8 years, or 96 months. If a random sample of 36 vehicles is selected, find the probability that the mean of their age is between 98 and 100 months. Assume the standard deviation for the population is
asked by Jana on December 20, 2010 
Physics (vectors)
I am stuck with this question.Please help. I have a triangle that is not a right triangle with sides A, B, and C.(no values).The arrow's heads of A and B are joined and the arrow's head of C is in the tail of B. If the resultant is A,what is the vector
asked by Kathy on February 15, 2013 
Algebra
Please show me step by step if possible: Find dimensions of a rectanglar rug whose perimeter is 28 ft and whose area is 45 ft². The length (longer side) equal ___ft and width (shorter side) equal ____ft.
asked by sandy on December 4, 2012 
Algebra
Please show me step by step if possible: Find dimensions of a rectanglar rug whose perimeter is 28 ft and whose area is 45 ft². The length (longer side) equal ___ft and width (shorter side) equal ____ft.
asked by sandy on December 4, 2012 
math
a hotel chain charges $120 per room and rents an avg of 40 rooms per night at this rate. For each $10 reduction in price, they rent an avg of 10 more rooms. Find the rate they should be charging to maximize revenue. Help please! Thanks!
asked by cat on April 6, 2011 
Physics
This question has to do with kinematics graphing. I CAN NOT REPRODUCE THE GRAPH BUT hope that some help can be given to me with this question. The position versus time for a certain object moving along the xaxis. The object's initial position is 2 m.
asked by Deawn on September 4, 2013 
Standard Deviation
On standard IQ tests, the mean is 100 and the standard deviation is 16. The results are very close to fitting a normal curve. Suppose an IQ test is given to a very large group of people. Find the percent of people whose IQ score is more than 100.
asked by Anonymous on February 14, 2012 
Calculas
A book designer decided that the pages of a book should have 1in. margins at the top and bottom and 1 2 in. margins on the sides. She further stipulated that each page should have an area of 52 in.2. Find a function in the variable x, giving the
asked by Hannah on September 8, 2013 
Physics
Two bodies having masses 20kg and 10kg are moving with uniform velocities 20m/sec and 10m/sec from opposite direction and make elastic collision. find the final velocities of two bodies.
asked by Dhritiraj Talukdar on September 17, 2017 
statistics
The heights of 1000 students in a college are normally distributed with a mean 5’10” and SD 2”. Find the approximate number of students in each range of the heights: 1) 5’8”6’ 2) 5’6”6’2” 3) Above 5’10” 4) Below 6’ 5) Above
asked by Anonymous on July 27, 2010 
Math
Mrs. Renu wants to deposit a regular amount at the beginning of each quarter for 3 years. The bank pays interest @ 8% per annum. Find the quarterly deposits if Mrs. Renu will get Rs. 40000 at the end of 3 years.
asked by Sonu on January 31, 2017 
math
knowing that 2(theta) can be written as theta + theta, find the expression for sin2(theta) and cos2(theta). Is it 2sin(theta)cos(theta)?
asked by Steve on March 31, 2013 
investments
Can you please give me coipuke website where i can learn how to compute a bond price, yield maturity, macaulay duration bond, modified duration of the bond, interest paid semiannually,etc..... What is a "coipuke" website? Try this. I know it is a lot but,
asked by titi on July 18, 2007 
algebra
_______________________________________ MATH133 Unit 1 Individual Project 2 A 1) The following graph shows the depreciation for the corporate airplane from 2006 to 2009. The plane was purchased new in 2006; therefore, x = 0 represents the year 2006. X –
asked by Michelle on October 10, 2011 
math
We consider the nonhomogeneous problem {y''16y} = {256x^{2}} First we consider the homogeneous problem {y''16y} = 0 : 1) the auxiliary equation is a r^2+br+c = =0 . ________________ 2) The roots of the auxiliary equation are (enter answers as a comma
asked by Leah on April 2, 2016 
physics
I need help with an equation for: Find the force of attraction between a bowling ball of mass 7.26 kg and the earth if the bowling ball was located at sea level. How does this compare to the weight of the bowling ball as calculated by Fg = mg? Thank you
asked by anonymous on December 12, 2010 
Essay
What main points do you think I should include in my essay ("Why I should be in this advanced class")? I've written most of it. The topic was so general that I am not sure that I've hit all the points I should have. Could you provide some points that you
asked by Anonymous on February 24, 2008 
math
a boy travels 15 km due north,then goes 9 km due east,then 3km due south.how far is he from his starting point find the distance the boat would have traveled if it had gone directly from point p to point t
asked by cathy on February 20, 2013 
Algebra 1
Christopher orders a 3 topping pizza for $15.25 and a 5 topping pizza for $17.75. Write and solve a system of linear equations to find the price of a plain pizza( no toppings) and the cost of each topping.
asked by janet on November 14, 2012 
probability
among the exames in the examination 30%, 35% & 45% failed in statistics, in maths, & in atleast one of the subjects respectively. one student is selected at random. find the probability that: (a)he has failed in maths, (b)he passed in statistiics if it is
asked by hhhh on October 27, 2010 
math
Two planes left at the same time from two airports which are 4,500 miles apart and flew toward each other. In 5 hours, they passed each other. The rate of the fast plane was twice the rate of the slow plane. Find the rate of each plane.
asked by MP on January 17, 2013 
statistics
among the exames in the examination 30%, 35% & 45% failed in statistics, in maths, & in atleast one of the subjects respectively. one student is selected at random. find the probability that: (a)he has failed in maths, (b)he passed in statistiics if it is
asked by hhhh on October 27, 2010 
physics
A force of 15N acts in the forward direction on a carton of 3kg. Suppose a friction force of 6N opposes the carton motion. Find the following: 1) the net force 2) the acceleration of the carton
asked by Rasha on March 16, 2014 
science and calculation
50 gram of steel at 100 degree centigrade is addae to 100grame of water at 30 degree centigrade the resultant temperature is 35 degree centigrade find the specific heat of metel
asked by Anonymous on February 26, 2015
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