
mathsurgently needed
A manufacturer lists the price of the goods at Rs.240 per article. The wholesaler gets a discount of 25% on the goods from the manufacturer.The retailers are allowed a discount of 15% on the list price by the wholesaler. The prescribe rate of sale tax at
asked by Anonymous on February 1, 2013 
Physics(Please check)
A gas, while expanding under isobaric conditions, does 660 J of work. The pressure of the gas is 1.40 x 105 Pa, and its initial volume is 1.70 x 103 m3. What is the final volume of the gas? Would I multiply the two values? W = p*dV = p(Vf  Vi)for
asked by Hannah on June 22, 2012 
physics
A 2.00mlong diving board of mass 12.0 kg is 3.00 m above the water. It has two attachments holding it in place. One is located at the very back end of the board, and the other is 25.0 cm away from that end. 1Assuming that the board has uniform density,
asked by NaNa on April 24, 2013 
physics
A hiker starts at his camp and moves the following distances while exploring his surroundings: 70.0m north, 2.75 x 10^2m east, 130m at an angle 30.0 degrees north of east, and 1.50 x 10^2m south. a.) find his resultant displacement from camp. (take east as
asked by george on January 30, 2013 
Physics
A block of mass m1=1.6kg, initially moving to the right with a velocity of +4m/s on a frictionless horizontal track, colides with a massless spring attached to a second block of m2=2.1kg moving left with a velocity of 2.5m/s. The spring constant is 600
asked by Andrea on June 5, 2013 
Algebra
1.Simplify the following expression. 4(20+12)÷(43) 4(20+12 ÷ 1 4 32 ÷ 1 128 2.A gym membership cost $25 to join and $14 a month. Write and use an algebraic expression to find the cost of the gym membership for 6 months. $25+$14x6m =$109 Did I solve the
asked by GummyBear on August 31, 2015 
Math
Flying to the wind, an airplane takes 4 hours to go 960 km. The same plane flying with the wind takes only 3 hours to make the same trip. Find the speed of the plane and the speed of the wind. I wasn't here for the lesson from my teacher but told me to ask
asked by Njex on February 21, 2015 
science
A ball is throen vertically downward from the rop of a 36.6 m tall building . The ball passes the top of a window that is 12.2 m above the groung 2.00s after being thrown. What is the speed of the ball as it passes the top of the window? Would i need to
asked by Jen on September 12, 2006 
My Friend Needs Help With a Calc Problem.
how does five degrees east of north keep a plain going north when the wind pushes the plain four point six degrees west of north? This is not calculus. It is a vector problem. THe wind is pushing the plane west. If you need the solution, to find the
asked by Sarah on October 12, 2006 
Chemistry
7) A 3.33 g sample of iron ore is transformed into a solution of iron (II) sulfate. And this solution is titrated with 0.0150 M potassium dichromate. If it requires 41.40 mL potassium dichromate solution to titrate the FeSO4, find the percentage of iron in
asked by CHIPNDALE on November 21, 2015 
physics
A 20 g bullet moving horizontally with a speed v hits a 2kg block of wood resting on a table. After hitting the block the bullet is embedded in the block of wood and the block and the bullet moves a distance of 40 cm before it stops. If the coefficient of
asked by Edward on July 23, 2012 
PHYSICS 3
A solid disk (mass = 1 kg, R=0.5 m) is rolling across a table with a translational speed of 9 m/s. a.) What must the angular speed of the disk be? rad/s d.) The disk then rolls up a hill of height 2 m, where the ground again levels out. Find the
asked by kelsey on October 20, 2008 
calculuscan someone please help me with this ques
I have two questions if someone can PLEASE help. 1.solve the equation in the real number system. x^4+11x^3+24x^223x+35=0 **Please show work** 2.Use the remainder theorem to find the remainder. When f(x)is divided by x3. Then use the factor theorem to
asked by Jennifer on December 30, 2012 
physics
A Venturi flow meter is used to measure the the flow velocity of a water main. The water main has a diameter of 40.0 cm, and the constriction has a diameter of 10.0 cm. The two vertical pipes are open at the top, and the difference in water level between
asked by Anonymous on December 14, 2013 
physics
An archer fires an arrow, which produces a muffled "thwok" sound after it hits a target. The archer hears the "thwok" exactly 3.0 s after firing the arrow and the average speed of the arrow is 32 m/s. Find the distance separating the archer and the
asked by dakota on August 30, 2018 
Geometry
I have another question that stumped me Line segment AB with length a is divided by points P and Q into three line segments: AP , PQ, and QB , such that AP = 2PQ=2QB. Find: A)the distance between point A and the midpoints of the segments the segment QB B)
asked by Ava on September 24, 2016 
Algebra
Minimum Wage. In 1995, the minimum wage was $4.25 per hour, and by 2010 it had increased to $7.25 per hour. a) Find the slope of the line passing through the points (1995, 4.25) and (2010, 7.25) b) Interpret the slope as a rate of change. c) If this trend
asked by tee on March 14, 2013 
Physics Classical Mechanics
A Venturi flow meter is used to measure the the flow velocity of a water main. The water main has a diameter of 40.0 cm, and the constriction has a diameter of 10.0 cm. The two vertical pipes are open at the top, and the difference in water level between
asked by Anonymous on December 11, 2013 
Algebra
Hello, I have been trying a few ways to do this problem and am not having success. The sum of four consecutive odd integers is 212. Write an expression for the second, third and fourth odd integers. Use these expressions to write, and solve an equation to
asked by Martha on September 18, 2011 
college algebra
a cub measures n inches on each edge. If a slice 1 inch thick is cut from one face of the cube and then a slice 3 inches thick is cut from another face of the cube, the resulting solid has a volume of 1560 cubic inches. Find the dimensions of the original
asked by Missy on April 16, 2012 
geography
An artist is commissioned to paint a large painting on a wall. The wall is a rectangle and it measures )( feet by '& feet. The artist charges $') per square yard. The artist gives no discount for any chunk of area less than a square yard. Find the total
asked by mary on October 23, 2015 
math
An artist is commissioned to paint a large painting on a wall. The wall is a rectangle and it measures 87 feet by 65 feet. The artist charges $68 per square yard. The artist gives no discount for any chunk of area less than a square yard. Find the total
asked by mary on October 23, 2015 
Math
A rectangular solid has a base area of 43.3 sq inches and a height of 50 inches a triangular prism has a base in the shape of an equilateral triangle and a height of 50 inches. the volumes for both shapes are equal. find the side of the equilateral
asked by Joshua on May 12, 2012 
Algebra
The changes in the price of a certain stock each day from Monday to Thursday of one week were $2.25, +$0.50, +$1.50, and +$0.75. If the overall change in the stock price for the week was $0.50, write an equation that can be used to find the change in the
asked by Shantel on September 24, 2014 
Chemistry
The specific heat of solid silver is 0.237 J/g degrees celsius and the heat of fusion of silver at its melting point of 961 degrees celsius is 11 J/g. Find the final temperature is 1490 J is used to heat 40 g of silver initially at 20 degrees celsius.
asked by bbsdn on January 27, 2013 
Algebra ( QUAdratic)
a person plans to fence a pig pen with 100 meters of fencing. Derive a function that determines the area of the pig pen that can be enclosed by the fencing [A(w)] with respect to the pig pens width w. find the maximum area of the pig pen that can be
asked by hans on January 10, 2016 
Physics
At the start of a trip, a driver adjusts the absolute pressure in her tires to be 2.84 ✕ 105 Pa when the outdoor temperature is 281 K. At the end of the trip she measures the pressure to be 2.95 ✕ 105 Pa. Ignoring the expansion of the tires, find the
asked by Mark on November 13, 2014 
Algebra
The area of a square garden in square feet is 49x^214x+1. Find the dimensions of the garden in terms of x. FActor the quadratic:(7x1)^2 Gee, a square. the dimensions are 7x1 on each side. FActor the quadratic:(7x1)^2 the dimensions are 7x1 on each
asked by bailey on January 9, 2007 
Calculus  dimensions of a box?
A rectangular box with a square bottom and a volume of 256 cubic feet is to be constructed. The top and bottom cost $ .10 per square foot to make and the four sides cost $ .05 per square foot to make. Find the approximate dimensions of the box which would
asked by Amy on February 12, 2011 
Statistics
In a survey of 1233 people, 917 people said they voted in a recent presidential election. Voting records showed that 72% of eligible voters actually did vote. Given that 72% of eligible voters actually did vote, find the probability that among 1233
asked by Jana on June 15, 2013 
classical mechanics
A Venturi flow meter is used to measure the the flow velocity of a water main. The water main has a diameter of 40.0 cm, and the constriction has a diameter of 20.0 cm. The two vertical pipes are open at the top, and the difference in water level between
asked by Jhon on January 3, 2014 
physics!
A person standing at the edge of a seaside cliff kicks a stone over the edge with a speed of 18m/s. The cliff is 52m aboce the water's surface. How long does it take for the stone to fall to the water? With what speed does it strike the water? I got how
asked by emily on December 9, 2008 
physics
A dime .334 m away from, and on the optical axis of, a concave spherical mirror produces an image on the same side of the mirror as the source. The image is .093 m away from the mirror. If the dime is moved on the axis to .229 m from the mirror, how far
asked by help? on May 25, 2008 
physics (Urgent)!!!!!!!!!!!!!!!!!!!!!!
A Venturi flow meter is used to measure the the flow velocity of a water main. The water main has a diameter of 40.0 cm, and the constriction has a diameter of 10.0 cm. The two vertical pipes are open at the top, and the difference in water level between
asked by Anonimus on January 6, 2014 
math
HELP PLEASE! The distance d that an object falls is directly proportional to the square of the time of the fall,t. A person who is parachuting for the first time is told to wait 12 seconds before opening the parachute. If the person falls 64 feet in 2
asked by kayla on July 24, 2015 
Business Law Ethics
I'm not sure how to go about doing this. I feel like it's an easy question but im thinking to far into it. I want to say that Davis would be the first person to be let off & Carter would be the last person to be let off. I'm not sure what order the rest
asked by Josh on April 28, 2011 
English
what does sojourn mean as it is used in the following lines from act III,Scene 3,in The Tragedy of Romeo and Juliet? Friar:Go hence;good night!and here stands all your state:Either be gone before the watch be set, Or by the break of day disguis'd from
asked by GummyBears16 on March 24, 2016 
com170
Can you tell me if I correct all grammar errors?There are three kids in the room. We have been married for 20 years, and are relationship is as strong as ever. I am having trouble with my car. Can you give me some advice? The diplomats are doing what they
asked by angela on January 9, 2011 
Calculus
A University of Rochester student decided to depart from Earth after his graduation to find work on Mars. Before building a shuttle, he conducted careful calculations. A model for the velocity of the shuttle, from liftoff at t = 0 s until the solid rocket
asked by Emily on April 21, 2013 
Physics Elena please help!
An accelerometer in a control system consists of a 2.42 g object sliding on a horizontal rail. A lowmass spring is connected between the object and a flange at one end of the rail. Grease on the rail makes static friction negligible, but rapidly damps out
asked by Anonymous on October 7, 2012 
my math
True or false? Intentionally writing a check on an account with insufficient funds is allowed under certain conditions. I say false? Ben Spender writes a $50 check which is returned by his bank with additional charges. The company he wrote the check to,
asked by Zoey on January 26, 2010 
physics
"By means of a rope, whose mass is negligible, two blocks (mass: 11kg and 44 kg) are suspended over a pulley. The pulley can be treated as a uniform solid cylindrical disk. The downward acceleration of the 44 kg block is observed to be exactly one half the
asked by Seth on April 3, 2011 
Chemistry
How many grams of dry NH4Cl need to be added to 2.10L of a 0.600M solution of ammonia,NH3 , to prepare a buffer solution that has a pH of 9.00? Kb for ammonia is 1.8x10^5. I just wanted to make sure I dd this write, can you please check my work? Thank
asked by Jessica on October 8, 2011 
college finite math
A division of a company produces "Personal Income Tax" diaries. Each diary sells for $6. The monthly fixed costs incurred by the division are $30,000, and the variable cost of producing each diary is $1. (a) Find the breakeven point for the division. (x,
asked by Dee on January 19, 2014 
geologyimportant!
hi i am looking for geologically relevant song lyrics or poetry published after 1990. i realllly need to find this any help i would appreciate so much!!! thank you. http://www.danneyball.com/_51.htm
asked by ash on December 2, 2006 
Math calculus 2
A propane tank is in the shape generated by revolving the region enclosed by the right half of the graph of (4*x^2)+(64*y^2)=144 and the yaxis about the yaxis. If x and y are measured in meters find the depth of the propane in the tank when it is filled
asked by Anonymous on February 15, 2018 
physics
"By means of a rope, whose mass is negligible, two blocks (mass: 11kg and 44 kg) are suspended over a pulley. The pulley can be treated as a uniform solid cylindrical disk. The downward acceleration of the 44 kg block is observed to be exactly one half the
asked by Seth on April 1, 2011 
Physics PLEASE HELP
An accelerometer in a control system consists of a 2.42 g object sliding on a horizontal rail. A lowmass spring is connected between the object and a flange at one end of the rail. Grease on the rail makes static friction negligible, but rapidly damps out
asked by Anonymous on October 9, 2012 
Physics (Science)
Hi, For my physics class, we have to design our own experiments to calculate the amount of power exerted for each situation. However, I'm really unsure of how to go about finding the power for the situations. The first situation is doing a pushup, and the
asked by Krissy on October 25, 2012 
Math
1.During the last 5 shifts, Gary delivered 9,8,14,17, and 12 pizzas. What is the mean number of pizzas delivered during a shift? 12 2.Stephie's science experiment produced the following results:183,204,179,191,186.What is the range? 26 3.What is the mode
asked by Jerald on April 2, 2013 
phsyics
An accelerometer in a control system consists of a 4.70 g object sliding on a horizontal rail. A lowmass spring is connected between the object and a flange at one end of the rail. Grease on the rail makes static friction negligible, but rapidly damps out
asked by Anonymous on October 10, 2012 
Physics URGENT!!!
An accelerometer in a control system consists of a 2.42 g object sliding on a horizontal rail. A lowmass spring is connected between the object and a flange at one end of the rail. Grease on the rail makes static friction negligible, but rapidly damps out
asked by Anonymous on October 9, 2012 
solid mensuration? help.
Window glass formerly was made by gathering a lump of molten glass on the end of a hollow rod blowing it into the form of a large hollow cylinder about 6 ft. long and 1 1/2 ft. in diameter. This was cut longitudinally and then placed in an oven and heated
asked by sara on May 12, 2012 
math
read the clues to find each number. it is a 7 digit number. it has a 0. the greatest digit is in the hundered thousands place. the value of the digit 1is i,000,000. the digit 6 stands for 6,000. the value of the digit 5 is 5 ones. the digit 8 has a value
asked by Winnie on September 6, 2012 
Language Arts
I'm reading the glory field in language but i'm having trouble understanding it. Do you have any ideas of where to find chapter by chapter guides to help me? My teacher doesn't have a clue and Sparknotes doesn't have one either. Help?
asked by Emily on March 13, 2007 
french!
for homework tonight we are to write a french poem about someone. i am doing it on my friend carly. does anyone have a french word that begins with the letter 'y'? haha i cant find anyword! (accept YOGA.) thanks! yeux bandes (with an accent on the e in
asked by L. on January 9, 2007 
FRENCH
Bonjour! Pourriezvous me dire, s'il vous plait, comment on dit le suivant en français? "As to the French language, at this point I find it easier to read and write French than to speak it." Quant à la langue française, en ce moment je le toruve plus
asked by E.G. on December 27, 2008 
Foreign languages
Writeacher, could you please check these sentences? Thank you. 1) I'm forwarding you the link to the requirements for next year's Comenius exchange programme. I really hope to receive some good news from you. 2) We are looking for a hotel accommodation for
asked by John on June 17, 2012 
Misc
Are there any improvments I can make in this paragraph? also i need a word for the place where there is a . i can't seem to find a word to put in there: This is a new concept, designed specifically for gaming. It was designed so it could allow people
asked by mysterychicken on September 12, 2009 
Math Analysis
31. Radioactive decay of material is determined using the formula N = Noe^kt. Find the constant k for Plutonium239 given that its halflife is 24,390 years. ==> I don't really get where to start here because the problem does not give you how much
asked by Emily on December 10, 2009 
physics
Objects with masses of 190 kg and a 490 kg are separated by 0.380 m. (a) Find the net gravitational force exerted by these objects on a 57.0 kg object placed midway between them. N (b) At what position (other than infinitely remote ones) can the 57.0 kg
asked by Kelsey on April 5, 2010 
precal
a pilot wants to fly on a bearing of 66.4 degrees. by flying due east, he finds that a 57mph wind, blowing from the south, puts him on course. Find the airspeed of the plane. Sketch this. He flys east unknown speed. The plane goes at 66.4, unknown speed.
asked by brandy on June 5, 2007 
physics
A small cube of mass m1= 1.0 kg slides down a circular and frictionless track of radius R= 0.4 m cut into a large block of mass m2= 4.0 kg as shown in the figure below. The large block rests on a horizontal and frictionless table. The cube and the block
asked by Garry on January 11, 2014 
Physics
A solid iron cylinder of mass 0.2 kg is quickly transferred from inside boiling water in a beaker at 100 C into 90g of water at 15 C contained in a calorimeter of mass 150g and specific heat capacity equal to 800 J/kg/K. Find the final temperature of the
asked by Claire on October 9, 2008 
Algebra
The tour de France is a bicycle race that begins in Ireland but is primarily a race through France. On each day, racers cover a certain distance depending on the steepness of the terrain. Suppose that one particulAr day the racers must comp,tee 210 mi. One
asked by Anonymous on April 18, 2011 
Language Arts
1. List some ideas that The Giver includes. Why did you choose those ideas? 2. Tell how using a reading role helped you understand the book. Support your response with at least two pieces of evidence from the novel. For the first one can someone help me
asked by Hello on June 5, 2018 
Repost for Rafah  physics
Rafah  Please use Post a New Question when you need help with your own question. a woman who weights 5.00x10^2 N is leaning against a smooth vertical wall, as the drawing shows.find the force exerted on her shoulders by the wall and the horizontal (F2)
asked by Writeacher on April 2, 2018 
physics
A curcial part of a piece of machinery starts as a flat uniform cylindrical disk of radius R0 and mass M. It then has a circular hole of radius R1 drilled into it. The hole's center is a distance h from the center of the disk. Find the moment of inertia of
asked by Sleepless on April 12, 2008 
Sin/Cos
I'm having trouble with a concept. I don't understand how the answer was found. 1. Find three other angles, such that cos[beta] = cos [25]. Answers are 25, 335, 335. In my Calc class, the teacher showed it by using a circle, with an angle. Can anyone
asked by Joey on December 2, 2007 
Physics Classical Mechanics Help ASAP
A small cube of mass m1= 1.0 kg slides down a circular and frictionless track of radius R= 0.6 m cut into a large block of mass m2= 4.0 kg as shown in the figure below. The large block rests on a horizontal and frictionless table. The cube and the block
asked by Anonymous on January 10, 2014 
math
The CN Tower in Toronto, Canada, is the tallest freestanding structure in North America. A woman on the observation deck, 1150 ft above the ground, wants to determine the distance between two landmarks on the ground below. She observes that the angle
asked by Anonymous on October 23, 2013 
PreCalc
The CN Tower in Toronto, Canada, is the tallest freestanding structure in North America. A woman on the observation deck, 1150 ft above the ground, wants to determine the distance between two landmarks on the ground below. She observes that the angle
asked by Susan on November 19, 2015 
algebra
I have been working this one for awhile and have become more confused. Please assist. Problem: Find two consecutive odd integers such that 5 times the first interger is 12 more than 3 times the second. The key thing is to realize that odd numbers, just
asked by ken on April 21, 2007 
Physics
If the distance between two slits is .05mm and the distance to the screen is 2.5m find the spacing between the first and second order bright fringees for yellow light of wavelenght 600nm. d=5x10^5m L=2.5m wavelength= 6x10^7m x=? x=wavelength*L/d
asked by Jason on April 23, 2008 
Chemistry(Webwork)
Enter the numerical energy values (X, Y, & Z) on the yaxis and calculate the Ea and G. (Note: This is a multipart problem. First input your values for X, Y, and Z. When you are satisfied with your values submit them and check the box Go on to next part
asked by Anth on July 19, 2010 
Maths
Plastic drinking straws are manufactured to fit into drinks cartons which have a hole in the top. A straw fits into the hole if the diameter of the straw is less than 3 mm. The diameters of the straws have a normal distribution with mean 2.6 mm and
asked by Anon on September 13, 2016 
physics
A small cube of mass m1= 2.0 kg slides down a circular and frictionless track of radius R= 0.6 m cut into a large block of mass m2= 5.0 kg as shown in the figure below. The large block rests on a horizontal and frictionless table. The cube and the block
asked by Anonymous on January 12, 2014 
Algebra
If x pounds of cashews valued at $6.00 per pound are to be mixed with y pounds of peanuts valued at $4.00 per pound to obtain a 40 pound cashewpeanut mixture. Find x and y so that when the mix is sold for $4.75 per pound, the same amount of revenue is
asked by Shay on October 13, 2016 
physics
A solid sphere of radius 35 cm is positioned at the top of an incline that makes 20 ◦ angle with the horizontal. This initial position of the sphere is a vertical distance 3.4 m above its position when at the bottom of the incline. The sphere is released
asked by Rebecca on March 9, 2017 
PHYSICS PLEASE HELP
A large balloon of mass 237 kg is filled with helium gas until its volume is 318 m3. Assume the density of air is 1.29 kg/m3 and the density of helium is 0.179 kg/m3. (b) Calculate the buoyant force acting on the balloon. ____________N (c) Find the net
asked by AMY on November 8, 2012 
Physics repost
A 2.00 resistor, and a 12.0 resistor are connected in parallel across a 20.0V battery. What is the current flowing through the 2.00 resistor? A)1.67 A B)1.40 A C)11.6 A D)10.0 A This is all I understand. Can you explain step by step and show how to get
asked by Jon on April 9, 2008 
Math
An instructor gives regular 20point quizzes and 100point exams in a mathematics course. Average scores for six students, given as ordered pairs (x,y) where x is the average quiz score and y is the average test score, are (18, 87), (10, 55), (19, 96),
asked by Re on March 7, 2011 
chemistry
there are 5 naturally occurring isotopes of the element zinc. the relative abundance and mass of each are as follow 64 30zn=48.89% 63.929 amu 66 30zn=27.81% 65.926 67 30zn=4.11% 66.927 68 30zn = 18.57% 67.925 70 30zn = 0.62% 69.925 find the average atomic
asked by 000 on October 29, 2010 
Pharmacist
Could you please give me links to where I can find out about Pharmacists. Powerpoints would be good. This is what I need, since Im doing a career Research project on this. Job duties/Responsibilities Education/Training Requirements Demographics (where can
asked by Anonymous on April 21, 2011 
English poetry
Can anyone find any poetic devices in this poem? (metaphors, similes, personification, etc) AMBITION BY DES WALSH Once upon a time A poor man Named Marcus Sat all day Hoping for food Outside a kitchen door At night he would think Of the golden sands Where
asked by Leanne on September 22, 2011 
Math
An object suspended from a spring is oscillating up and down. The distance from the high point to the low point is 30cm, and the object takes 4s to complete 5cycles. For the first few cycles, the distance feom the mean position, d(t) centimetres, with
asked by Katlyn on March 25, 2013 
English poetry
Can anyone find any poetic devices in this poem? (metaphors, similes, personification, etc) AMBITION BY DES WALSH Once upon a time A poor man Named Marcus Sat all day Hoping for food Outside a kitchen door At night he would think Of the golden sands Where
asked by Leanne on September 22, 2011 
social studies
1. All of the following embraced the “national view” of federalism except a. John Marshall. b. Roger B. Taney. c. Franklin D. Roosevelt. d. Lyndon B. Johnson. e. Alexander Hamilton. I can't find the answer for this, they all federalist right? 2. What
asked by kenji on October 5, 2010 
calculus
Consider the motion of a particle of mass m falling vertically under the earth’s gravitational field, and suppose the downward motion is opposed by a frictional force p(v) dependent on the velocity v(t) of the particle. Then the velocity satisfies the
asked by HELPPPP on May 20, 2014 
calculus
Consider the motion of a particle of mass m falling vertically under the earth’s gravitational field, and suppose the downward motion is opposed by a frictional force p(v) dependent on the velocity v(t) of the particle. Then the velocity satisfies the
asked by help on May 18, 2014 
electriacl safety
What are some important elements that should be included in any good training program. Explain. I will be happy to critique your thinking on this. If this subject isn't thoroughly covered in your text or class notes, you may find some helpful information
asked by Mary on June 25, 2007 
Maths trigonometry
Find the acute angles A and B satisfying secAcotBsecA2cotB+2=0 Ans : secAcotBsecA2cotB+2=0 2cotBsecAcotB+secA=2
asked by Aarti on January 7, 2015 
statistics
in throwing two dice find the probability ofcoming even number on both probability of coming odd number on dice probability of different number on both dice
asked by shumaila.imtiaz on April 18, 2014 
math
The base of a triangle is 5cm greater than the height. The area is 18cm^2. Find the height and the base. The height is triangle is?cm The base of the triangle is?cm
asked by Tina on February 4, 2010 
math(again)
the ? says "a cone has the surface area of 160 sq. in. If the dimensions are reduced by 1/2,what is the surface area of the new cone?" i just cant seem to find the formula for the surface area of the cone.
asked by brianna on January 5, 2009 
Math
A box of chalk and 2 staples cost $10. Three box of chalk and 2 staplers cost $18. Find the total cost of 1 box of chalk and 1 stapler.
asked by Anonymous on October 24, 2012 
Math  Algebra 2
In a certain math class, each student has a text book, every 2 students share a book of tables, every 3 students share a problem book, and every 4 students share a mathematics dictionary. If the total number of books is 75.. how many students are in a
asked by AS on December 2, 2006 
Chemistry
Rubbing alcohol often contains propanol, C3H7OH. Suppose you have an 85.9 g sample. a) How many carbon atoms are in the sample? b) How many hydrogen atoms are in the sample? c) How many oxygen atoms are in the sample? For a, I have tried dividing 85.9 by
asked by Gale on April 30, 2016 
physics
A water bed has dimensions of 1.83mx1.86mx.238m. The floor of the bed room will tolerate an additional weight of no more than 6660N. Find the weight of the water in the bed and determine whether it should be purchased. The weight of the water in the water
asked by CJ on April 7, 2007 
Physics!!!
A small sphere of mass m = 6.40 g and charge q1 = 30.3 nC is attached to the end of a string and hangs vertically as in the figure. A second charge of equal mass and charge q2 = −58.0 nC is located below the first charge a distance d = 2.00 cm below the
asked by anna on January 19, 2012
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