Friday
December 19, 2014

Posts by ben


Total # Posts: 748

language arts
Which of the following passages from the novel could be used to support the idea that sam adams was a rebel intent on war with England? (Johnny Tremain) A "the first of the tea ships the yarmouth is entering the harbor. She'll be at castle island by nightfall" B...
December 17, 2014

language arts
How has the political climate of cotton changed since the beginning of the book? (Johnny Tremain, as in how has it changed from the beginning of the book to now, chapter 6) A Previously Boston considered themselves loyal British subjcts, but after parliament passed the tea act...
December 17, 2014

Math
Another question. The floor of Raj's classroom has an area of 525 feet. The room is 12 feet high. What is the volume of Raj's classroom? I had got 6300. Is this correct? I had used the formula V = B x H.
December 16, 2014

Math
Oh thank you Ms.Sue, at first I was scared because I thought it was to high.
December 16, 2014

Math
I want to check this. I had used formulas V = B x H and I x w x h to solve these What is the volume of the box that is 14 inches long, 7 inches wide and 10 inches high? I got 980. Am I right?
December 16, 2014

Math
Thank you very much. I understand now. Thanks for the help!
December 15, 2014

Math
Write each of the fractions below as a division expression. Then write each fraction as a whole number or mixed number (I need help with this, because it confuses me as to how to write it as a division expression. Also sorry for no work saw.) 1. 5/4 2. 16/8 3. 14/3 4. 17/12
December 15, 2014

language arts
thank you! do you know the answer to the other question i posted?
December 15, 2014

language arts
Which of the following sentences from the novel johnny remain (chapter 5) provides evidence that Rab is having a positive effect on Johnny? A. he liked to make a handsome entrance. Even if he and Goblin had dawdled a bit on country roads, they both liked arriving at the inns ...
December 15, 2014

language arts
I'm in Jonny Tremain chapter 5 1. Which of the following is the most significant event in the plot following Jonny's accident? A. Johnny releases that Rab and his uncle are Whigs B. Rab teaches Jonny how to ride Goblin C Mrs. Lapham recruits Mr. Tweedie to replace ...
December 15, 2014

Language arts
hi brit! i have the same question? do you know the answer?
December 12, 2014

6TH GRADE MATH
Create a number line model that represents the equation below. -5 x -2 = 10 Can some help me please?
December 11, 2014

Langue Art
was it right? @i am awesome
December 10, 2014

language arts
ok thank you!
December 10, 2014

language arts
From which point of view are the sentences written from Johnny tremain? It was past dawn when he woke, his feeling of contentment still in him. He was no longer his own problem but Merchant Lyte's. Tomorrow at this time what would be calling him? 'Uncle Johnathan?'...
December 10, 2014

language arts
Thanks!
December 10, 2014

language arts
Which type of person is Merchant Lyte? A kind and generous B crass and sloppy C devious and manipulative D intelligent and hardworking Which lines from the novel best supports the answer to the previous question? A "He's sly" When merchants agreed not to import ...
December 10, 2014

algebra 1
A store’s cost for a stereo was $27. Th e markup was 75%. A customer purchased it on sale at 40% off the marked up price. What was the purchase price of the stereo? Please help!
December 9, 2014

algebra 1
A store’s cost for a stereo was $27. Th e markup was 75%. A customer purchased it on sale at 40% off the marked up price. What was the purchase price of the stereo? Please help!
December 9, 2014

algebra 1
A chemist has one solution containing 30% insecticide and another solution containing 50% insecticide. How much of each solution should the chemist mix to get 200 L of a 42% insecticide? My teacher explained how to set up the problem: 3x+5y=84 x+y=200 what I dont get is why ...
December 4, 2014

Pre-calc/Trignometry
Two boats leave at an angle of 25 pie/36 radians, one has a speed of 100km/hr and the second has a speed of 65 km/hr. How far apart are they after two hours?
December 2, 2014

Astronomy
How do astronomers know whether they are seeing planets or stars when they are distant?
November 24, 2014

chemistry physics
507Hz was the answer according to the textbook so I got it right according to that. Thanks
November 24, 2014

chemistry physics
Thanks, I used translatorscafe, has most units
November 24, 2014

chemistry physics
Had to convert 40.0 mi/h to 18m/s and 1090ft/s to 332 m/s So the answer 480*332/(332-18) =507hz Thanks for the link
November 24, 2014

chemistry physics
A car is traveling toward you at 40.0 mi/h. The car horn produces a sound at a frequency of 480 Hz. What frequency do you hear? Assume that the sound velocity in air is 1090 ft/s. Do I need to convert ft/s to m/s?
November 24, 2014

Chemistry Physics
What frequency is heard by an observer who hears the 450 Hz siren on a police car traveling at 35 m/s away from her? Assume that the velocity of sound in air is 345 m/s. Is this the correct? 450*345/(345+35) =408Hz
November 24, 2014

math physics
What frequency is heard by an observer who hears the 450 Hz siren on a police car traveling at 35 m/s away from her? Assume that the velocity of sound in air is 345 m/s. Is this the correct? 450*345/(345+35) =408Hz
November 24, 2014

Math Physics
would it be (3)(10^8/10^14)
November 24, 2014

Math Physics
What is the wavelength in metres of an electromagnetic wave with a frequency of 10^14/s?
November 24, 2014

Chemistry Physics
would this be the setup? 3*10^8/10^14
November 24, 2014

Chemistry Physics
What is the wavelength in metres of an electromagnetic wave with a frequency of 10^14/s?
November 24, 2014

Chemistry Physics
What is the wavelength of an electromagnetic wave with frequency 50.0 MHz? Am I starting this problem like this? 3.00*10^8/50*10^6 =6*10^12
November 24, 2014

Math Physics
thank you
November 24, 2014

Math Physics
What is the wavelength of an electromagnetic wave with frequency 50.0 MHz? Am I starting this problem like this? 3.00*10^8/50*10^6 =6*10^12
November 24, 2014

Physics
A plane designed for vertical takeoff has a mass of 6.4 ✕ 103 kg. Find the net work done by all forces on the plane as it accelerates upward at 8.4 m/s2 through a distance of 30.0 m after starting from rest.
November 20, 2014

Physics
A skier of mass 67.0 kg is pulled up a slope by a motor-driven cable. How much work is required to pull the skier 59 m up a 32° slope (assumed to be frictionless) at a constant speed of 2.0 m/s?
November 20, 2014

math
i have 50 coins in quarters and nickels. if the total value is $5.90, how many of each coin do i have ?
November 18, 2014

Chemistry Physics
yes I noticed it, but its still the right setup. thanks
November 17, 2014

Chemistry Physics
=6072btu thank you for clearing this up, really appreciate all the help.
November 17, 2014

Chemistry Physics
thanks 144 BTU/lb is the heat fusion of water and ice and the specific heat for ice is 0.51BTU/lb So would I need to set it up Q1 like this? 0.51*33.0*144
November 17, 2014

Chemistry Physics
I got it all wrong, confusing the tables But for Q1 Q1=0.51*33.0*80cal/kg (not sure how to convert to BTU)
November 17, 2014

Chemistry Physics
on q2 I mean (72-32)
November 17, 2014

Chemistry Physics
So,is this the setup to find heat? q1= 33.0 X 3.35X10^5 q2=2.26X10^6*1*(72-42)
November 17, 2014

Chemistry Physics
How many Btu of heat are required to melt 33.0 lb of ice at 32°F and to raise the temperature of the melted ice to 72°F?
November 17, 2014

math
2 bananas for 25 cent how many dose 6 cost
November 13, 2014

Physics Science
How many grams of water at 20°C are necessary to change 800g of water at 90°C to 50°C?
November 5, 2014

Physics
A 250 g piece of tin at 99°C is dropped in 100 g of water at 10°C. If the final temperature of the mixture is 20°C, what is the specific heat of the tin?
November 5, 2014

Physics - Method Of Mixtures
Mary mixes 5.00 lb of water at 200°F with 7.00 lb of water at 65.0°F. Find the final temperature of the mixture. -Specific Heat of water is 1.00 BTU/lbs°F
November 5, 2014

Physics Science
Mary mixes 5.00 lb of water at 200°F with 7.00 lb of water at 65.0°F. Find the final temperature of the mixture. -Specific Heat of water is 1.00 BTU/lbs°F
November 5, 2014

Physics Math
A flat-bottom river barge is 30.0 ft wide, 85.0 ft long, and 15.0 ft deep. (a) How many ft3 of water will it displace while the top stays 3.00 ft above the water? (b) What load in tons will the barge contain under these conditions if the empty barge weighs 160 tons in dry dock?
October 30, 2014

Math Physics
Find the water pressure at ground level to supply water to the third floor of a building 8.00 m high with a pressure of 325 kPa at the third level So the given is h=8.00 Ptop=325kPa Density water = 1000 Would I need to set it up like 325+1000*9.81*8.00
October 28, 2014

Fluid Mechanics
Find the water pressure at ground level to supply water to the third floor of a building 8.00 m high with a pressure of 325 kPa at the third level So the given is h=8.00 Ptop=325kPa Density water = 1000 Would I need to set it up like 325+1000*9.81*8.00
October 28, 2014

Fluid Mechanics
What must the water pressure be to supply the second floor (18.0 ft/up) with a pressure of 50.0 lb/in² at that level?
October 27, 2014

Fluid Mechanics
Thanks
October 27, 2014

Fluid Mechanics
(a) Find the total force on the bottom of a cylindrical gasoline storage tank 15.0 m high with radius 23.0 m. (b) Find the total force on the side of the tank.
October 27, 2014

Physics Science
(a) Find the total force on the bottom of a cylindrical gasoline storage tank 15.0 m high with radius 23.0 m. (b) Find the total force on the side of the tank.
October 27, 2014

Calculus 1
Given f(x)= 3e^(1-x^2)*ln(x), find the equation of the tangent line at x = 1.
October 26, 2014

Calculus 1
A right triangle has a fixed base of length 6 meters and a height that is increasing at a rate of 2 meters/second. At what rate is the length of the hypotenuse increasing when the height is 8 meters?
October 26, 2014

math
How long will it take a car 3m long travelling at 100km/h to overtake a truck 10m long travelling at 50km/h, if the car is 10m behind the truck
October 15, 2014

College Chemistry lab
did you manage to solve this?
October 13, 2014

Math @Reiny
Did I do #2 right? 2.) (1-2i)/2i (1-2i)/2i = (1-2)/i x i/i = (1i-2i)/i^2 = (1i+2) =2+1i
October 8, 2014

Math
1.) If a = 2 and the vertex of a parabola is (3, -4), will there be a minimum or maximum value for the parabola? What is the value? 2.) If a = 2 and the vertex of a parabola is (3, -4), what is its axis of symmetry?
October 7, 2014

Physics-Intro
(massbullet * velocitybullet)/massgun (60.0 * 575/4.50) = 7666.66666 Which rounded off becomes 76.7m/s
October 7, 2014

Physics-Intro
A bullet with mass 60.0 g is fired with an initial velocity of 575 m/s from a gun with mass 4.50 kg. What is the speed of the recoil of the gun?
October 7, 2014

physics
A car travels along a straight stretch of road. It proceeds for 15.9 mi at 51 mi/h, then 25.3 mi at 41 mi/h, and finally 34.3 mi at 38.6 mi/h. What is the car’s average velocity during the entire trip? Answer in units of mi/h
October 3, 2014

physics
Find the total force necessary to give a rocket of mass 25,000 slugs an acceleration of 28.0 ft/s2.
September 30, 2014

physics
One ball is dropped from a cliff. A second ball is thrown down 1.00 s later with an initial speed of 40.0 ft/s. How long after the second ball is thrown will the second ball overtake the first?
September 30, 2014

physics
A bullet is fired vertically upward from a gun and reaches a height of 7000 ft. Find its initial velocity. How long does it take to reach its maximum height? How long is it in flight?
September 26, 2014

Physics
A rock is dropped from a bridge to the water below. It takes 2.40 s for the rock to hit the water. Find the speed (in m/s) of the rock as it hits the water. How high (in metres) is the bridge above the water?
September 26, 2014

Math (Pre-Calculus)
@bobpursley How did you get 3 and 5?
September 18, 2014

Math (Pre-Calculus)
Can someone help me with this? Thanks! Find the zeros of the function algebraically. f(x)=x^2-8x+15 ---------------- 10x
September 18, 2014

Physics
When I work this problem I get an answer different from what's given not sure why? A basketball is launched with an initial speed of 8.8 m/s and follows the trajectory shown. The ball enters the basket 0.98 s after it is launched. What are the distances x and y? Note: The ...
September 14, 2014

Calculus
Using the definition of derivative state the function, f(x) and the value of a for lim as h->0 of (square root of (121+h) -11)/h
September 7, 2014

Math
Olivia's chessboard is 11 sq centimeters. A chessboard. Has 8 sq on each side. To the nearest tenth what is the width of the chessboard
September 2, 2014

Algebra
It should be on your formula sheet if not then look it up.
August 24, 2014

Algebra
Use the distance formula.
August 24, 2014

Algebra 2. Please Help Someone!!
an airplane's altitude is 100 feet as it descents for a landing on a runway whose touchdown is 5000 ft away. Let the x-axis represent the ground and the y-axis represent the airplane's altitude. What is the slope of the airplane's descent? What is the y-intercept ...
August 24, 2014

maths
A man uses a fifth of his income on his rent,a third on education and one half of the remainder on clothing. (A) what fraction of his income does he spend on clothing? (B)How much does he spend on clothing,if his income is $2,000,000?
August 4, 2014

Math
A model airplane is shot up from a platform 1 foot above the ground with an initial upward velocity of 56 feet per second. The height of the airplane above ground after t seconds is given by the equation h=-16t^+56t+1, where h is the height of the airplane in feet and t is the...
July 24, 2014

Math
Solve the following quadratic-linear system of equations. y=-x^2-x-6 y=2x-2 A. (3, 6) and (–1, 2) B. (4, 6) and (–1, –4) C. (3, –6) and (2, 4) D. (–4, 3)
July 24, 2014

science
Calculate the volume of a graduated cyclinder that has a radius of 10 mm and a height of 120 mm.
July 15, 2014

math 8th grade
what the answer to the worksheet how does a hawaiian baritone?
May 21, 2014

Math
A spinner numbered 1-10 is spun. what is the probability of spinning a multiple of 3 and a multiple of 2?
May 11, 2014

Steps in Chemistry
add lime. plot sections for water, lime and salt to compare.
May 8, 2014

econ
What percentage of GDP in 2000 is consumption Calculate net exports for 2001. (Express your answer in billions of dollars.)
April 7, 2014

health
I got B
April 2, 2014

health
A was correct for me
March 29, 2014

physics
a car traveling at 43m/s decelerates at a rate of 7.1 m/s squared. how long did it take the car to stop? what distance did the car travel while stopping?
March 27, 2014

Health
As mixed-doubles teammates in tennis, Kara and Tran are trying to devise their best strategy against an opponent that has two excellent servers but his physical fitness level is not as good as Kara and Trans. How can Kara and Tran use their superior cardiovascular endurance to...
February 25, 2014

physics
A spring of force constant 655 N/m is used to launch a 5.25 kg mass from the edge of a frictionless table that is 1.20 m above the floor. How far horizontally away from the table will the mass land if the spring was compressed 42.0 cm before launching?
February 13, 2014

Chemistry
how many grams of potassium iodide can be produced by the reaction of 150 grams of iodide and 45.6 grams of potassium?
February 6, 2014

physics
A stream of water strikes a stationary turbine blade horizontally, as the drawing illustrates. The incident water stream has a velocity of + 17.4 m/s, while the exiting water stream has a velocity of – 15.0 m/s. The mass of water per second that strikes the blade is 33.6 ...
January 30, 2014

physics
A stream of water strikes a stationary turbine blade horizontally, as the drawing illustrates. The incident water stream has a velocity of + 17.4 m/s, while the exiting water stream has a velocity of – 15.0 m/s. The mass of water per second that strikes the blade is 33.6 ...
January 30, 2014

physics
A stream of water strikes a stationary turbine blade horizontally, as the drawing illustrates. The incident water stream has a velocity of + 17.4 m/s, while the exiting water stream has a velocity of – 15.0 m/s. The mass of water per second that strikes the blade is 33.6 ...
January 30, 2014

physics
A stream of water strikes a stationary turbine blade horizontally, as the drawing illustrates. The incident water stream has a velocity of + 17.4 m/s, while the exiting water stream has a velocity of – 15.0 m/s. The mass of water per second that strikes the blade is 33.6 ...
January 30, 2014

Health
The coach noticed that Caleb really started to kick the soccer ball with great amount of power after the kicking drills. Caleb adjusted the power of his soccer kick by increasing the speed of his kicking leg prior to and upon contact with the ball starting his kick from a two ...
January 30, 2014

Physics
A baggage carousel at an airport is rotating with an angular speed of 0.397 rad/s when the baggage begins to be loaded onto it. The moment of inertia of the carousel is 2440 kg·m2. Ten pieces of baggage with an average mass of 16.5 kg each are dropped vertically onto ...
January 27, 2014

science
if 4 cars were going 100m the entire time what happens to speed,velocity and accelerationas one car completes one full lap
January 23, 2014

science
What is the acceleration of a 7kg rocjet if a force of 68.6 kg m/s/s (N) is used to move it away from the earth
January 21, 2014

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