Questions Asked on
January 7, 2015

colligative properties
a solution of CH4N2O in water has a vapor pressure of 19.6 torr. at 25C. what is the mole fraction of CH4N2O in this solution? HELP ME WATER PURE PRESSURE (P0) IS 23.8 TORR VAPOR PRESSURE IS 19.6 TORR DONT KNOW HOW TO SOLVE IT ? P(SOLUTION)= X (CH4N2O)
asked by yeng 
ap chemistry
a solution is prepared by dissolving 4.9 g C12H22 O11 (nonelectrolyte) in 175 grams of water. calculate the freezing poitn and osmotic pressure (25C) of this solution.
asked by yeng 
maths
Area of major segment of a circle having centre o n radius 7 is 115.5 find length of corresponding arc
asked by sanjay 
algebra
Sheila has 7y craft sticks. Mark has 4y fewer craft sticks then Sheila and y craft sticks more than Linda. Then Sheila gave 2y craft sticks to Mark and Linda. How many craft sticks in terms of y did Mark and Linda have in the end? If mark had 6 more craft
asked by Kar 
colligative
how do you find melting point in colligative properites?
asked by yeng 
mechanics
find the tension in the chord of a 50 lbs mass hang on the angles 25 degrees.
asked by mercedes 
Algebra
I can find no solution to this system of equations. Solve the system of equations using the substitution method 2x + 4y = 2 2x  y = 4
asked by slomo 
Algebra
I have been trying to solve this for two hours help. Determine whether the ordered pair (5,2) is a solution of the following system of equations x  3y = 1 y= 3x  17
asked by slomo 
Math
(x^2(1x))/((x1)(2x3)) Can this be simplified as x^2/(2x3)? If so, how?
asked by Anonymous 
Maths trigonometry
Find the acute angles A and B satisfying secAcotBsecA2cotB+2=0 Ans : secAcotBsecA2cotB+2=0 2cotBsecAcotB+secA=2
asked by Aarti 
phy
A 10kg mass and a 2.0kg mass are connected by a light string over a massless, frictionless pulley. if g=9.8ms^2, what is the acceleration of the system when released? (98ms^2)
asked by saima 
physics
a girl is using a rope to pull a box that weighs 300N across a level surface with constant velocity. the rope makes an angle of 30 degree above the horizontal and the tension in the rope is 100N. What is the normal force of the floor on the box?
asked by saima 
physics
A rifle with weight of 30N fires a 5.0g bullet with a speed of 300ms^1. a) Find the recoil speed of the rifle. b) if a700N man holds the rifle firmly against his shoulder, find the recoil speed of man and rifle.
asked by saima 
physics
A rocket with mass of 60,000 kg is placed on a launching platform verticlly. its engine is started and the rocket gives out gas at rate of 50kgs^1 with a speed of 5000ms^1 a) calculate the up trust force caused by the gas. b) can the rocket be launched
asked by saima 
physics
An object A, of mass 1 kg that is moving at a velocity of 6ms^1 collides with a stationary object of mass 3kg. after the collision, the object move in the directions as shown. Determine the value of V1 and V2.
asked by saima 
maths
Area of major segment of a circle having centre o and radius 7 is 115.5 find length of the corresponding arc
asked by sanjay 
math
Jackson have a piece of wood that is 6 feet long. He is cutting it into pieces that are 1/3 of a foot. How many pieces of wood will he have after he cuts it?
asked by Cam 
MATHS
6. (42)^2  (38)^2  (17)^2= ? / 0.1
asked by sowmya 
Maths
An arithmetic series consists of five terms; the second term is 7 and the last term is 22. write out the full series.
asked by Abdul 
math
Jessica buys a lamp that costs $35 and a table that costs $75.00. If the tax rate is 10%, what will be the total cost of the lamp and table?
asked by Anonymous 
Physic
Two capacitor 3.0 pico Farad and 6.0 pico Farad are connected in series. If the capacitor connected to a potential difference of 1000v, calculate a. Magnitude of the charge on each capacitor b. The potential difference across the capacitor
asked by Syam 
physics
a pool ball weighing 2 kg is traveling at 30 degree at 0.8 meter hits another ball moving at 0.5 m/s at 180 degree. if the second ball leaves the collision at 0 degree and the first moves away at 150 degree, find the final velocity vectors of the balls.
asked by winnsie 
chemistry
what is formula of pepsi?
asked by komal yaseen 
Biology
Dominant  an organism with the dominant allele For a trait _________? Answer: that produces the same phenotype Recessive  an organism with the recessive Allele for a trait will __________? Answer : ?
asked by HELP 
Biology
Monohybrid Cross  crossing one single Trait to _______? Answer: two alleles
asked by HELP 
Language arts
Which of the following events is part of the novels falling action? A. Paul reveres ride to Lexington B. Johnnys injury of his hand and need to find another trade C. Johnnys acceptance of Dr. Warrens offer to operate on his hand D. General gage and the
asked by Sal 
Math
1) Proove that for every x>=0 and 0
asked by david 
Math
You lean a 30 foot ladder against your house and it reaches exactly to the top. The ladder makes a 24˚ angle with the ground. How tall is your house? (I drew a picture of a house and the ladder)
asked by Rae 
Chemistry
If 3.79x1024 formula units (molecules) of hematite react with excess carbon, what mass of iron will be produced?
asked by Brooke 
math
The record for the fastest speed on a bicycle is 133 kilometers per hour. How long would it take a person traveling at this speed to travel 365.75 kilometers? hours and minutes
asked by gabrielle 
math
A large bag of sugar weighs 7 1/2 pounds. How much does 1 1/4 bags of sugar weigh? I really need help with this question. the first problem is that I don't know what operation to use and second I don't understand the main problem of this question.
asked by abigail pope 
Math
Solve for y: x = (x+1)(x+y)
asked by Terry 
math
Emily's family loves to work together in the garden. They have a slight preference for flowers, as 60% of their plants are flowers and 40% are vegetables. They have 50 plants growing in the garden. How many vegetable plants do they have?
asked by halo 
algebra 2
What is a quartic function with only the two real zeros given? x = 4, x = 1
asked by Lisa 
English
Which of the following assertions about love is contradicted by the tale of Pyramus and Thisbe? A. Love cannot be forbidden. B. Love can always find a way. C. Love is always illfated. D. Love is like a flame that burns hot. I am guessing B?
asked by Asther 
betty queen international school
using kinetic theory,why a baloon kept warm in water?
asked by KHADIJAH M SANI 
english
I don't understand what v/vc pattern verses vc/v pattern is. I have to idenify what the spelling words are
asked by Jaylen Watkins 
Algebra
thirty more student tickets than adult tickets were sold for the game. Student tickets cost $2, adult tickets cost $5 and $1,450 was collected. how many of each kind of ticket were sold
asked by Ajae 
Math
Simplify each expression and state any nonpermissible values. ( 3 marks  show your work) x/ x^23x4  4/x+1
asked by Alex 
Physical Science HELP
What and how do I balance this if it needs to be done? Help please Balance the equation, if necessary, for the reaction between zinc and iodine. Zn + I2 „_ 2ZnI2
asked by tracey 
Math
Simplify each expression and state any nonpermissible values. (5 marks  show your work) 3x+1/2x^22 + 2x+2/2x^28x+6 is the expression Can you help please?
asked by Alex 
Math
1) Prove that for every x>=0 and 0
asked by david 
Math
Solve: 1+2x/x+4=3/x1
asked by Alex 
FUNDAMENTALS OF BUSINESS MGMT
Your program has a proposed RDT&Efunded project scheduled to start in January 2015 which is expected to take 16 months to complete. The project is expected to cost a total of $16 million (thenyear dollars), with cost expected to be incurred at a rate of
asked by DUANE 
Algebra
For log(4)(3x + 4)^5 = 15, do I have to expand (3x + 4)^5, or is there a faster way?
asked by Anonymous 
English help
the date, time, and location of a robbery would most likely be included in? A feature article an editorial article a hard news article a letter to the editor I thought a featured article but really not sure
asked by tracey 
english check answer
To run a fourminute mile, excellent physical condition is important. Phrase fragment Dangling modifier (******) Runon sentence Misplaced modifier Next ones is underlined words so I put * around them *The dog ate the shoe* that was lying on the closet
asked by bam 
Language arts check answers
If you fail to plan, you plan to fail. simple complex compound
asked by Sandy 
social studies
1)An interest rate is a special type of? a. loan b. price c. bank d. service 2) How does a compound interest rate differ from a simple interest rate? a. Compound interest rates pay more interest over time b. Compound interest rates are calculated only once
asked by Leah 
English
Can someone check my my post? Thank you very much in advance. Franco At the end of the 19th century and the beginning of the 20th century, millions of people emigrated to the USA as they wanted to escape from poverty, unemployment, and political and
asked by Franco 
math
Sara has 6 necklaces, but her mother will only allow her to wear two at a time. How many different ways can Sara wear two necklaces? A. 30 B. 15 C. 360 D. 12
asked by Anonymous 
health
Which one of the following chemicals does the body generate during regular exercise?
asked by Quan 
LAC1
Identify the underlined word in the sentence. Write either D for direct object or I for indirect object. Get that dog and those puppies out of here! (puppies is underlined) My Answer Is: Indirect Object
asked by Nicole 
math
on a certain day the propellers complete 20 revolutions per minute and have a speed at of 45 m/s calculate the radius of a propeller to one decimal place using pie as 3.14 ?
asked by emily 
Algebra 1
The length of a rectangle is 2 more than 3 times the width. If the perimeter is 100 meters, what is the width of the rectangle?
asked by Abby 
math
(2,−2);{y−x+1
asked by michele 
math
y/4 divided by 1/4 1,y,4y, or 4 cn you show how to solve?
asked by Katt<3Bobby 
physics
A roller coaster car with a mass of 130 kg travels through a loop with a diameter of 20meters. What is the minimum speed at the top of the loop so that the car stays on the tracks? m= 130kg r= 10m v= ?
asked by angelica 
world history
Why did Greek colonies spread throughout the Mediterranean region? a.Tyrants created many of them. b.Population pressures caused them to develop. c.Persia attacked mainland Greece. d.Pericles founded them. i think it is c. am i correct
asked by Eden S. 
physics
5000J of heat is supplied to 10kg of water at 30degrees. What will be the water's final temperature
asked by arnold 
Math
A strand of lights had 50 light bulbs. 8 bulbs burned out. Write the ratio of the total number of bulbs to the bulbs that are burned out. Show the ratio all 3 ways, in simplest form.
asked by Amy 
Math
Find the value of (2/3)^4
asked by Amy 
Physics
How fast would a 4.8 kg object slide down a frictionless incline of 10.3 degrees?
asked by Paige 
adding and subtracting rational
5/6+4/9=
asked by lily 
adding and subtracting rational
10 11/127 1/4=
asked by lily 
adding and subtracting rational
11/15+1/8=
asked by lily 
adding and subtracting rational
15/163/4=
asked by lily 
Math
Find the vertex: 1/4x^2+9/5x+2
asked by maria 
Math
75 75 84 81 84 81 81 80 What is the mode of the data set?
asked by Amy 
math
A car traveled 180 miles and use 6 gallons of gas if the same car traveled 1260 miles under similar conditions how many gallons of gas would be used
asked by thaylorah 
Math
A rectangle has a length of 15 inches and a width of 12 inches, what is the perimeter? Is this answer correct. 54
asked by Amy 
Science
How does a change in medium affect light?
asked by jeje 
Math
A company prints 22,860 tickets. The tickets are placed into groups of 125. How many groups of tickets are made? Is this correct 182
asked by Amy 
Science
IF the medium is changed, THEN the refraction of light will increase*** decrease
asked by jeje 
Algebra please help
Pain says she should get $3 discount on the price of each shirt and a $3 discount on the price of each pair of jeans. Part 1 Write and simplify an expression to find the amount she would pay if this is true. Part 2 why are the amounts Pani pays in a and b
asked by Stephen 
Science
What was Henri Becquerel studying when he accidentally discovered radioactivity? Photography Properties of black light Properties of Xrays *** Solar energy
asked by jeje 
is10
write a story
asked by erik 
Science
When Marie Curie Isolated uranium from pitchable, she realized that the [itchable was more radioactive than the uranium she had extracted. What did she conclude about her observations? pitchblende itself is a radioactive element the pitchblende sample
asked by jeje 
Physics
A block of mass 4 kg slides down a frictionless inclined plane angled 30 degrees above the horizontal. The force accelerating the block down the plane is thus: a. zero, since there is no friction b. 9.8N c. 19.6N d. 33.9N e. 39.2N
asked by Buck 
English
What is the social context in Edgar Allan Poe’s story, “A Telltale heart.”
asked by Jessica 
Science
1. Name the components of the respiratory system in the order incoming air would encounter them during breathing. trachea, pharynx, larynx, alveoli, bronchi bronchi, larynx, alveoli, trachea, pharynx larynx, trachea, bronchi, pharynx, alveoli pharynx,
asked by lol 
british lit
how to mark the syllables him still must serve,him still obey
asked by Anonymous 
algebra
Andy has four less than twice the number of marbles that Beth has. If Andy has 28 marbles, how many does Beth have?
asked by ki 
Science
H2SO4. It's asking for the number of atoms and the total atoms. Do I just put 7 atoms for both questions?
asked by M 
social studies
what would the history of the U.S. be different if Tecumseh against the us troops had not occurred? please help!
asked by ChannyBoo 
physics
A racing car travels on a circular track of radius 399 m, moving with a constant linear speed of 40.5 m/s. Find its angular speed. Answer in units of rad/s
asked by Amanda Om 
Physics
Suppose the position of an object at time t is (6 + 5t, 2t2, 7t − 5t3). (a) What is the instantaneous velocity at time t? (b) What is the acceleration at time t? (c) What is the instantaneous velocity at time t = 0? (d) What is the acceleration at time t
asked by Sarah 
English
(I just need 2 writer ideas) In the middle of the 19th century, political philosopher Alexis de Tocqueville claimed, "The inhabitants of the United States have...properly speaking, no literature." In other words, de Tocqueville believed that America’s
asked by Jessica 
mah
holly spend 7 and 3/5 hours in school each day. her lunch period is 1/2 hour long, and she spends a total of 7/10 hour switching rooms between classes.the rest of her day is spent in 6 classes that are all same length. how long is each class?
asked by rose 
Problems with measurements
1 liter of paint covers 10 square feet of wall. How many liters of paint is needed to cover a wall that's 15ft by 8ft?
asked by Mashayla 
Psychological Statistics
For a population with a mean of 80 and a standard deviation of 12, what is the Z score corresponding to an individual score of 92
asked by Anonymous 
Math
In the Atlantic ocean off the coast of Bermuda lies a 500,000 square mile region called th Bermuda triangle . If the sides of the triangle are about 959 miles, 1,011'miles, and , 1,033, prove whether or not the Bermuda trian is a right triangle ?
asked by Christine 
mah
holly spend 7 and 3/5 hours in school each day. her lunch period is 1/2 hour long, and she spends a total of 7/10 hour switching rooms between classes.the rest of her day is spent in 6 classes that are all same length. how long is each class?
asked by jessica 
Physics
The coefficient of friction sliding on wood is 0.30. The force needed to slide a wooden block weighing 500N across a horizontal surface is: a. 50N b. 150N c. 300N d. 500N
asked by Buck 
physics
Two 4.6 g bullets are fired with speeds of 36.9 m/s and 74.8 m/s, respectively. a) What is the kinetic energy of the first bullet? Answer in units of J. b) What is the kinetic energy of the second bullet? Answer in units of J. I got part A), which is
asked by allan 
math
yesterday, molly lunch cost $9.80 and she left a $1.49 tip, today molly lunch cost $12.60 if she tips at the same rate that she did yesterday how much of a tip should molly leave
asked by jessica 
Area and Perimeter Word Problems
1 liter of paint covers 10 square feet of wall. How many liters of paint does Bob need to buy if he wants to cover a wall that is 15ft by 8ft? Must show the breakdown of the problem.
asked by Mashayla 
physics
A child is pulling a sled across a horizontal surface by a rope that makes a 27.5 degree angle with the ground. The child pulls with a force of 32.7 N and the total mass of the sled is 23.5 kg. Find the weight of the sled.
asked by Michael 
math
I'm very confuse my teacher talk bout her life in never teach us students the math lesson. y=3/2x1 y=x+4
asked by keidra 
8th grade math
iPhone is designing a smart phone with a square screen. The area of the screen will be 169 cm with an exponent of 2. What is the height of the screen? I think the answer is 13. Am I correct.
asked by Christine 
English
What genres, subjects, themes, settings, and characters has Emily Dickinson developed?
asked by Alleyna 
Physics
A box is pulled along a level floor at a constant speed by a rope that makes a 45 degree angle with the floor. The box weighs 100N. The coefficient of sliding friction is 0.75. The normal force exerted on the box by the floor is?
asked by Ava 
Math
Ava, Keirra, and Victoria ate exactly 3/4 of their candy bars. Ava ate 3 pieces, Kierra ate 6 pieces and Victoria ate 9 pieces. How is this possible?
asked by Danielle 
Living a Healthy Life
In a child care setting, physical hazards include A. plant allergens, microorganisms, and arthropods. B. radiation, temperature extremes, and noise. C. climbing stairs, lifting, and jumping in place. D. carbon monoxide, lead, and radon.
asked by Amanda 
Animal Farm
Was Snowball really a criminal, like Napoleon says, or is this just a false accusation?
asked by Anonymous 
math
lucy had 2 1/2 apples.she cut them into fourths.if she had enough fourths her self and the friends with her ,how many of them were there?
asked by viene 
Math
There are 7 cupcakes for the party. Each cupcake has 1 candle for each year of the boy's birthday age. There is also an extra candle on each cupcake for good luck. If 49 candles were used on the cupcakes, how old is the birthday boy? Explain.
asked by Alexia 
math
On Monday, 247 students went on a trip to the zoo. All six buses were filled and seven students had to travel in cars.How many students were in the bus
asked by alexis 
mechanics and heat
Four point masses are located at the four corners of a rectangle as shown in the figure. Calculate the total moment of inertia of this system measured from (a) axis 1 (b) axis 2 (c) axis 3, and (d) an axis that passes through A and perpendicular to the
asked by awash 
physics
A riﬂe ﬁres a(n) 5 g bullet with a muzzle velocity of 360 m/s into a block of wood. The bullet comes to rest after it has made a(n)19 cm deep hole in the wood.A riﬂe ﬁres a(n) 5 g bullet with a muzzle velocity of 360 m/s into a block of wood. The
asked by Anonymous 
mechanics and heat
At the same instant that a 0.5 kg ball is dropped from 25 m above earth , a second ball , with a mass of 0.25 kg , is thrown straight upward from earth’s surface with an initial speed of 15 m/s . They move along nearby lines and pass without colliding.
asked by awash 
English
What genres, subjects, themes, settings, and characters has Mark Twain developed
asked by Alice 
mechanics and heat
The position vector of a particle of mass m = 2kg in the xy plane is given: r = (t2)i + (2t +1)j (meter) where t is in seconds . Find the torque exerted on the particle about the origin.
asked by awash 
math
answer and solution of lucy had 2 1/2 apples.she cut into fourths. if she had enough fourths for herself and the friends with her, how many of them were there?
asked by viene 
Geography
What would be the climate region for ivvavik national park?
asked by thi 
math
nina bought 2 1/2 meters of yellow cloth and 1 1/2 meters red cloth.she used 8/3 meters for a costume dress. how much cloth remained?
asked by viene 
physics
A dart player throws a dart horizontally at a speed of 13.5 m/s. The dart hits the board 0.32 m below the height from which it was thrown. How far away is the player from the board?
asked by Jade 
mechanics and heat
A tennis ball of mass m and radius R = 3 cm rolls up without slipping an inclined plane of inclination angle of 37 degree as shown in the figure at the bottom of the incline the center of mass velocity of the ball is v = 10 m/s . The ball stops after
asked by awash 
Math
write a multiplication expression with a product of 5 to the 13th power
asked by hamptom 
Geography
what is the difference between a sink with caulk around it and a sink without caulk around it? advantages? disadvantages? websites don't have answers i'm looking for.
asked by 5 
math
answer and solution of nina bought 2 1/3 meters of yellow cloth and 1 1/2 meters of red cloth. she used 8/3 meters for a costume dress. how much cloth remained?
asked by viene 
Math
Maddie plays her guitar for 60 minutes each day. She uses 25% of her practice time to practice chords. How many minutes does Maddie practice chords each day?
asked by Amy 
write an equation to represent each situation
Mary covered her floor with 10 tiles. the floor measures 6 feet long by 5 feet wide. the tiles are each 3 feet long and w feet wide. My answer is 6*5=w is my answer correct?
asked by Stephon 
math
find a fraction between 2/3 and 3/4 with a numerator of 17.
asked by viene 
Math
The bases of a prism are right trinanges with side lengths 6 meters, 8 meters and 10.. The height of the prism is 3 meters. What's is the lateral area of the prism? What is the total surface area?
asked by Belle 
Math
14 16 18 18 17 16 17 20 What is the range of the data set? Is this correct? 2014=6
asked by Amy 
Algebra
Simplify 4^3 – 2 * 4^2 45 ÷ 3^2 – (3216) There should be a line between the top numbers and the bottom, like in a fraction but longer. I typed it on word but when I tried to copy the line never showed when I pasted. Thanks!!
asked by slomo 
Math
Please help :( find the lateral and total surface of each prism round if nesccesary and a rectangle has one side 2 ft one 4ft and one 4.5
asked by Belle 
Math
Hi im lost on my last question. k^3 = 1/256 this is negative exponets "^3" that is a negative exponent, I need to know the value of k? a)64 b)4 c)4 d)64 I was thinking 64, eh I don't understand this one. Thanks!
asked by Sally. 
Chemistry
A solution is prepared by dissolving 10.8 g of ammonium nitrate in enough water to make 100.0 mL of solution. A 10.0 mL portion of this sample is diluted to 50.0 mL total volume. What is the molarity of the final solution?
asked by Juan Hernandez 
Math
Writing a formula to the surface area of a cube of its length x is edge length=x over six right ? Or I did it wrong
asked by Belle 
Physics
A car travels around a curve banked at 45 degrees at 30 m/s. The radius of the track is 40m. What is the resultant force on the driver of the car?
asked by Jody 
Algebra
Determine if the ordered pair ( 5,2) is a solution to the following system of equations. x + 3y = 1 y = 3x + 17
asked by slomo 
math
five oranges and an apple cost 87.00; five apples and one orange cost 99.00. how much do 2 oranges and 2 apples cost?
asked by viene 
Math
Evaluate 6(w+7)5x W=1.3 and x=0.9
asked by Amy 
geo..very urgent
describe some factors that likely affect the climate of the ivvavik national park. Think of LOWERN.
asked by thi 
Physics
"A moving object has a kinetic energy of 145 J and a momentum with a magnitude of 40.0 kg·m/s. Determine the mass and speed of the object." I simply cannot figure it out. I know that KE=.5mv^2 and that p=mv but I can't seem to piece it together. Please
asked by Jane 
AP Calc. AB
let f be the function given by f(x)=2e^x^3. F0r what value of x is the slope of the line tangent to the graph of f at (x,f(x)) equal to 6
asked by Rachel 
Math
What is the period of the function? f(x)=sin(1/7)x I think its 2pi
asked by Anonymous 
math
how is finding a fractional part of a set different than finding a fractional part of a whole?
asked by grace 
math
the length of a rectangle is 10 cm longer than the width. what is the area of the rectangle if the width is 15 cm?
asked by viene 
Physics
A 0.500 kg bead slides on a straight frictionless wire with a velocity of 1.50 cm/s to the right. The bead collides elastically with a larger 0.750 kg bead initially at rest. After the collision, the smaller bead moves to the left with a velocity of 0.70
asked by Wendell 
Math
Solve: 1 + 2x/x+4=3/x1
asked by Alex 
Math
Simplify each expression and state any nonpermissible values. ( 3 marks  show your work) x divided by x^23x4 subtracted by 4 divided by x +1
asked by Alex 
Science
H2SO4. It's asking for the number of atoms and the total atoms. Do I just put 7 atoms for both questions?
asked by M 
math
find the fraction between 2/3 and 3/4 with a numerator of 17.
asked by viene 
Math
How much money would a person need to deposit today at 9% annual interest compounded monthly to have 12000. in the account after 6 Years?
asked by Gail 
Math
there is two questions that I need help with: The variable x represents a real number between 10 and 20 inclusive.The variable Y represents a real number between .2 and 5,inclusive.What is the greatest possible integer value of the quotient x/y? 2nd
asked by sashaa 
pacific rim
Mrs Garcia had 2/3 of a pumpkin pie left.Her sons at 3/8 of what was left. What fraction of the whole pie did her sons eat? 2/3*3/8=6/24
asked by tom 
math
517 men,3418 women and 6281 children visited a fair.round each number to the nearest hundred and estimate the number of people who visited the fair.
asked by viene 
physics
1. A billiard ball of mass mA = 0.4 kg moving with a speed vA = 2 m/s strikes a second ball, initially at rest, of mass mB = 0.4 kg. As a result of the collision, the first ball is deflected off at an angle of 30.0o with a speed v’A = 1.2 m/s. Taking the
asked by Jesse 
PHYSICS!
A 3.0 g coin moving to the right at 27.0 cm/s makes an elastic headon collision with a 20.0 g coin that is initially at rest. After the collision, the 3.0 g coin moves to the left at 12.5 cm/s. (b) Find the amount of kinetic energy transferred to the 20.0
asked by Sara 
Physical Science
An 80.00 kg man playing hockey catches a puck moving at 20 m/s. The man is initially at rest. The man and puck move together after the collision. The puck's mass is 0.16 kg. What is the final velocity? A. 13.6 m/s B. 0.04 m/s C. 1.36 m/s D. 4.0 m/s
asked by jenell 
math
max has a total of 30 cars in 5 packages he gave his brother 2 packages how many cards di he have left
asked by lavone 
Science
To lift an object weighing 21,000 N, how much force is needed on a piston with an area of 0.060 m2 if the platform being lifted has an area of 3.0 m2 ? If the weight is 21,000 N which is also a force and to find Buoyancy force then 3.0 m2 + .06 m2 = 3.6 m2
asked by Alex 
math
a delivery truck is loaded with 1200 melons. if 3/8 of the melons were given to one store, 1/2 of the remainder to a second store and rest to a third store, how many melons were given to the third store?
asked by viene 
sixth grade math
Write a realworld situation that could be modeled by the equation 24/y=3. Then solve the problem. My answer: There are 24 seats available at the movies. There were total of 3 rows after the seats were divided and more seats on each row. Did I solve this
asked by Stephon 
Englis
My father and I have already visited several states this month.On June 20, dad's friends Helena and Franco Garabis met us in Brownsville, Texas. I had to capitalize all the errors in the above sentence but it still has one more that is capitalized and I'm
asked by Hayden 
Math
Find the yintercept of the line whose equation is y=1.3x0.4 Thank you Could you show me how to do this problem.
asked by Mary Ann 
math
The perimeter of a sheet of paper is 38 cm. If the width is 8 cm what is the length of the paper?
asked by Anonymous 
science
Daniel is riding the giant drop at great america if Daniel free falls for 2.6 seconds?
asked by nino 
Math 10 aw
george is in a hot air balloon that is 125 metres high. the angle of elevation from a house below, to the balloon is 18 degrees. how far is george from the house
asked by Simran 
physics
A baseball has a mass of about 0.15 kg, and it is pitched towards home plate at a speed of about 60 m/s. If the bat exerts an average force of 8600 N for 2.4 ms, what is the final speed of the ball in m/s?
asked by han 
math
two complementary angles are drawn such that one angle is 10° more than seven times the other angle find the measur of each angle
asked by abebe 
Math
A search on colony of bacteria triples and links every 10 minutes it's links is now 1 mm how long will it be in 40 minutes?
asked by Alyssa 
History
Why and how was the judiciary act of 1800 passed? Who all was involved?
asked by Emily 
chemistry
Calculate the entropy increase in the evaporation of 1 mole of a liquid when it boils at 100 degree centigrade having heat of vaporisation at 100 degree as 540cals\gm
asked by charu 
math
joshua won $250000 in a draw to support the local hospital. he does not need the money for 3 months, so he decides to invest it in an account that pays 8% simple interest annually. calculate the interest paid on joshua's investment at the end of the 3
asked by sam 
chemistry
Calculate the entropy increase in the evaporation of 1 mole of a liquid when it boils at 100 degree centigrade having heat of vaporisation at 100 degree as 540cals\gm
asked by charu 
ELA
The main character of the story and the "owner" of the central conflict is... Protagonist, Antagonist, Sympathetic character, or Dynamic character?
asked by Cody 
College Algebra
A pharmacist wants to mix two solutions to obtain 100 cc of a solution that has an 8% concentration of a certain medicine. If one solution has a 10% concentration of the medicine and the second has a 5% concentration, how much od each of these solutions
asked by Math H of the medcater 
physics
A proposed space station consists of a circular tube that will rotate about its center(like a tubular bicycle tire). The circle formed by the tube has a diameter of 1.1km. What must be the rotation speed(revolutions per day) in an effect nearly equal to
asked by Alexis 
English
Can anyone write a real issue and list who would be on the pro/con side of it. (Preferably 4 or more please) Thanks.
asked by Zero 
ChemStoich
A 1.605g sample of dry calcium carbonate and calcium chloride mixture was dissolved in 35.00mL of 1.000moldm3 hydrochloric acid solution. The only portion of the mixture that reacts with the hydrochloric acid solution is the calcium carbonate. What was
asked by :) 
ELA
"The general opinion was that we were going to remain in the ghetto until the end of the war, until the arrival of the Red Army. The everything would be as before. It was neither German nor Jew who ruled the ghetto it was illusion." The passage contains
asked by Amara 
Math
Eryn and seven of her friends go out to lunch. The total bill comes to $143.35. They decide to leave a 15% tip. Each person will contribute an equal amount to the total tip. Estimate what each person should contribute.
asked by Chris 
Algebra help thx
Pani says she should get $3 discount on the price of each shirt and $3 discount on the price of each pair of jeans. Part 1 write and simplify an expression to find the pint she would pay if this is true. Part 2 if you were the shop owner, how would change
asked by Val 
French
My instructions are to replace "le dîner à mes grandsparents dans" with pronouns in this sentence: "Alors, nous servons le dîner à mes grandsparents dans leur chambre." I got "Alors, nous l'y servons leur chambre." Is this right?
asked by Andrew