# A model rocket is launched from a roof of a building. Its path is described by the relationship h=-5t*2+35t+10, where h is the height in metres and t is the time in seconds. How tall is the building? What is

13,356 questions, page 95-
## maths

Calvin stays on the 7th floor in his building. Between each floor, there are exactly 12 stairs. If he starts from the 1st floor and climbs his way up to the 7th floor, how many stairs does he climb?

*asked by ashu on August 21, 2013* -
## math

On the blueprint of Lauren’s new office building, the scale is 3 inches equals 8 ft. What will be the actual of Lauren’s office if it measures 6 inches long on the blueprint?

*asked by Anonymous on March 16, 2008* -
## Math

1) Which sum best represents the model shown below? There are 3 blue blocks, and each of them separately equal x^2. There are 2 green blocks that each separately equal x. There are 2 red blocks that each separately equal -1. And there is 1 yellow block

*asked by sasha on April 29, 2015* -
## Algebra 1

The attendance at a baseball game was 400 people. Student tickets cost $2 and adult tickets cost $3. ( Man those are some cheap tickets.) Total ticket sales were $1050. How many tickets of each type were sold? DIRECTIONS- Write an equation to model this

*asked by Lorexi on September 26, 2007* -
## History (this is my daughters)

Will you please check this, my daughter didn't bring home her history book and I have know idea about this. Thank you in advance. In 1846, ELIAS HOWE patented a sewing machine. In 1847, CYRUS McCORMICK opened a factory in chicago that made mechanical

*asked by Crystal on March 29, 2010* -
## Physics

A stone, initially at rest, is dropped from the top of a building. On its way down, it passes a window that is 2.52m tall. It takes 0.134 seconds to pass the window. From how far above the top of the window was the stone dropped?

*asked by Bill on October 12, 2009* -
## math

if a stone is tossed from the top of a 330 meter building, the height of the stone as a function of time is given by h(t)=-0.8t^2-10t+330, where t is in seconds, and height is in meters. After how many seconds will the stone hit the ground?

*asked by Toya on February 17, 2011* -
## physics

an object is dropped from the window of an apartment in a high rise building reaches the ground in 3 seconds. on which floor the apartment is located if height of each floor is 4m and window is 1 meter above the ground of that floor?

*asked by fatimah on May 30, 2014* -
## Physics

A ball is thrown with initial velocity Vo=20.0 m/s from the top of a 50.0m tall building. Find the velocity Vg with which the ball strikes the ground. Find time Ttotal it takes for the ball to move to the ground.

*asked by Myyke on July 10, 2011* -
## algebra

The height above the ground of a ball thrown up with a velocity of 96 feet per second from a height of 6 feet is 6+96t-16^2 feet, where t is the time in seconds. According to this model, how high is the ball after 7 seconds? Explain (Thank you in advance!

*asked by Matthew on May 4, 2011* -
## Math

Barbara is tiling her craft room with square tiles. She wants 6/10 of the square tiles to be red. If she used 18 red tiles, how many square tiles will be used to cover the floor . Draw an area model to help solve

*asked by Judy on February 27, 2017* -
## maths

luke rode his bicycle 2/5 of a mile from his house to the library. He then rode 1/2 of a mile from the library to the mall. Sketch a visual model to find the total distance that luke rode

*asked by pinks on April 21, 2014* -
## Math

Luke rode his bicycle 2/5 of a mile from his house to the library.He then rode 1/2 of a mile from the library to the mall.Sketch a visual model to find the total distance that Luke rode.

*asked by Anonymous on April 22, 2014* -
## Math

the concentration of a certain substance in our organism is given by the model Q9t) = Q(subscript 0) e^-0.1960t a) what quantity of substance is present in the organism of this individual 3 hours after ingestion? b) after how many hours will there only be

*asked by Ralph on April 7, 2011* -
## physics - PLEASE HELP!

Sam is sitting in her fishing boat watching a trout swim below the surface. She guesses the apparent depth of the trout at 2.0m. She estimates that her eyes are about 1.0 m above the water's surface, and that the angle at which she's observing the trout is

*asked by Sarah N H on January 15, 2010* -
## Physics

How many arrows of force would be needed in a free body diagram of a rocket taking off from the moon? Ignore any solar system objects other than the moon itself. One Two Four Three A person is trying to lift a crate that has a mass of 15.3 kg. The normal

*asked by BlessedGalPal on October 10, 2018* -
## Physics

A centrifuge is a device in which a small container of material is rotated at a high speed on a circular path. Such a device is used in medical laboratories, for instance, to cause the more dense red blood cells to settle through the less dense blood serum

*asked by Mo on September 23, 2018* -
## Physics

A centrifuge is a device in which a small container of material is rotated at a high speed on a circular path. Such a device is used in medical laboratories, for instance, to cause the more dense red blood cells to settle through the less dense blood serum

*asked by Mo on September 23, 2018* -
## Physics

In the Bohr model of the hydrogen atom, the speed of the electron is approximately 2.41 × 106 m/s. Find the central force acting on the electron as it revolves in a circular orbit of radius 4.92 × 10−11 m. Answer in units of N. i used 9.10938188 ×

*asked by JRD on June 22, 2011* -
## pHYSICS

Packages dropped by planes in the olden days didn't have onboard guidance or propulsion systems such as are found today. The path of the package was determined by the initial veloctiy (of the person that dropped that the package) and the acceleration due

*asked by McSmarty on September 20, 2007* -
## math

Braden has 10 red model cars, Which are 2/5 of the total number of cars in his collection. How many cars does Braden have in his collection? 4. (MY ANSWER) 10. 25. 50.

*asked by LOVE on February 4, 2016* -
## English

I left out these sentences. Thank you very much for your cooperation. 1) We would eventually like to build on not only the sharing of information between schools but on building an eventual student exchange programme between the schools. 2) This project is

*asked by Henry2 on January 26, 2012* -
## Social studies

How has Aztec culture survived in Mexico? The Mexican military uses Aztec fighting tactics. Mexico still uses the Aztec calendar. The Mexican people have adopted many Nahuatl words into their language. My choice An Aztec Palace in Mexico city serves as the

*asked by Katy on January 15, 2016* -
## Calculus

A ball is thrown straight down from the top of a 445-foot building with an initial velocity of -24 feet per second. Use the position function below for free-falling objects. s(t) = -16t2 + v0t + s0 What is its velocity after 2 seconds? V(2)= _____ ft/s

*asked by Anonymous on March 30, 2018* -
## physics

a moving sidewalk in an airport terminal building moves 1.00 m/s and is 150.0 m long.If man steps on at one end and walks 2.0 m/s relative to the moving sidewalk, how much time does he require to reach the opposite end if he walks in the same directions as

*asked by has on September 13, 2011* -
## math

A construction crew has just finished building a road. The road is 10 kilometers long. If the crew worked for 4 2/3 days, how many kilometers of road did they build each day? (Assume they built the same amount each day.) Write your answer as a mixed number

*asked by Joy on October 3, 2015* -
## Math

Hi! I need help with the following math problem: A building has 4 columns, each of which is 15 ft high and has a circumference of 1 2/3 yards. 1. Find the lateral surface area of the 4 columns. 2. How much will it cost to paint the 4 columns if paint costs

*asked by Suomynona on May 27, 2008* -
## diploma in pre school

Hi, can u pls check the english i used in my assigment is correct? if not pls correct and tell me where is my weekness. T/C INITIAL - K T/C SEX - Male T/C AGE - 3.8 yrs SETTING - Painting area & Jigsaw table area. PEOPLE - 1 Targeted child T/C - 3

*asked by ssebby on October 11, 2010* -
## Precalculus

1.A plane takes off at an angle of 6 degrees traveling at the rate of 200 feet/second. If it continues on this flight apth at the same speed, how many minutes will it take to reach a n altitude of 8000 feet? 2. A plane takes off at an angle of 5 degrees.

*asked by Ms. Suzie on March 2, 2009* -
## Physics

A proton is projected perpendicularly into a magnetic field that has a magnitude of 0.32 T. The field is then adjusted so that an electron will follow a circular path of the same radius when it is projected perpendicularly into the field with the same

*asked by Breanna on September 29, 2011* -
## science

which of the following shows the path followed by nerve impulses in a reflex motor neurons,interneurons in brain,sensory neurons or sensory neurons,interneurons in brain, motor neurons

*asked by Anonymous on November 21, 2014* -
## maths

An ant must walk from one vertex of a cube to the "opposite" vertex (that is, the vertex that is farthest from the starting vertex) and back again to its starting position. It may only walk along the edges of the cube. For the entire trip its path must

*asked by john on September 12, 2014* -
## Math

A manufacturing company is thinking of launching a new product. The company expects to sell $950,000 of the new product in the first year and $1,500,000 each year thereafter. Direct costs including labor and materials will be 45% of sales. Indirect

*asked by Joplin on September 16, 2012* -
## PHYSICS

WORKER ARE LOADING EQUIPMENT INTO A FREIGHT ELEVATOR AT THE TOP FLOOR OF A BUILDING HOWEVER THEY OVERLOAD THE ELEVATORAND THE WORN CABLE SNAPS THE MASS OF THE LOADED ELEVATOR AT THE TIME OF THE ACCIDENT IS 1600KG..AS THE ELEVATOR FALLS,THE GUIDE RAILS

*asked by WASEEM on January 23, 2016* -
## Math

A manufacturing firm is thinking of launching a new product. The firm expects to sell $950,000 of the new product in the first year and $1,500,000 each year thereafter. Direct costs including labor and materials will be 45% of sales. Indirect incremental

*asked by Nena on March 3, 2013* -
## Physics

a small body of mass m revolving in a horizontal circle with velocity V of a constant magnitude at the end of a cord of length L. As the body swings around its path, the cord sweeps over the surface of a cone. The cord makes an angle è with the vertical,

*asked by Cole on February 16, 2011* -
## Physics

Jane is sitting on a chair with her lower leg at a 30.0° angle with respect to the vertical, as shown. You need to develop a computer model of her leg to assist in some medical research. If you assume that her leg can be modeled as two uniform cylinders,

*asked by Dante on October 24, 2007* -
## physics

A particular tower clock similar to Big Ben has an hour hand 2.70 m long with a mass of 62.0 kg, and a minute hand 4.80 m long with a mass of 100 kg. Calculate the total rotational kinetic energy of the two hands about the axis of rotation. (You may model

*asked by mary on April 16, 2011* -
## Maths

When a ball is thrown up into the air, it makes the shape of a parabola. The equation S= -10t^2 + v*t + k gives the height of the ball at any time, t in seconds, where “v” is the initial velocity (speed) in meters/sec and “k” is the initial height

*asked by Anonymous on February 19, 2010* -
## Physics

A merry-go-round with a a radius of R = 1.95 m and moment of inertia I = 192 kg-m2 is spinning with an initial angular speed of ω = 1.41 rad/s in the counter clockwise direection when viewed from above. A person with mass m = 63 kg and velocity v = 4.7

*asked by Lis on December 7, 2018* -
## Physics

Two blocks move along a linear path on a nearly frictionless air track. One block, of mass 0.107 kg, initially moves to the right at a speed of 4.70 m/s, while the second block, of mass 0.214 kg, is initially to the left of the first block and moving to

*asked by koko on October 18, 2012* -
## algebra

An initial population of 298 quail increases at an annual rate of 8%. Write an exponential function to model the quail population. What will the approximate population be after 3 years f(x)=298(1.08)^x;375 f(x)=298(0.08)^x;153 f(x)=298(8)^x;305

*asked by Helen on January 12, 2014* -
## main ideas

Scientists generally agree that Earth is getting warmer due to what's called the greenhouse effect. A greenhouse used for plants stays warm because sunlight and heat coming through the glass roof are mostly trapped. The heat doesn't radiate back into the

*asked by bob on September 6, 2013* -
## physics

An 83.2-kg propeller blade measures 2.24m end to end. Model the blade as a thin rod rotating about its center of mass. It's initially turning at 175rpm. Find the blade's angular momentum, the tangential speed at the blade tip, and the angular acceleration

*asked by Tyler on November 12, 2011* -
## Physics

An 83.2-kg propeller blade measures 2.24m end to end. Model the blade as a thin rod rotating about its center of mass. It's initially turning at 175rpm. Find the blade's angular momentum, the tangential speed at the blade tip, and the angular acceleration

*asked by Jessica on November 11, 2011* -
## physics

An 83.2-kg propeller blade measures 2.24m end to end. Model the blade as a thin rod rotating about its center of mass. It's initially turning at 175rpm. Find the blade's angular momentum, the tangential speed at the blade tip, and the angular acceleration

*asked by Tyler on November 12, 2011* -
## PHYSICS NEED HELP ASAP

A freshman smart alek lips off onces too often! The assistant principle loses her cool and grabs the 38.0kg punk by the hair- swinging him in a vertical circle of radius 1.20m! if the freshman is moving at 6.30m/s at the bottom of the swing, calculate: A)

*asked by greoge on March 30, 2015* -
## physics

A freshman smart alek lips off onces too often! The assistant principle loses her cool and grabs the 38.0kg punk by the hair- swinging him in a vertical circle of radius 1.20m! if the freshman is moving at 6.30m/s at the bottom of the swing, calculate: A)

*asked by greoge on March 30, 2015* -
## Physics

A 0.2 kg baseball located at the top of a building which is 100 m above the ground is thrown with an initial velocity 30 m/s at an angle of 30o above the horizontal. (a) Determine the total energy which the ball will have just after the instant that the

*asked by Aria on June 24, 2012* -
## intermediate algebra

if a stone is tossed from the top of a 310 meter building, the height of the stone as a function of time is given by h(t)=-9.8t^2-10t+310. where t is in seconds, and height is in meters. After how many seconds will the stone hit the ground? Round to the

*asked by ROCKY on July 28, 2011* -
## Math

If a stone is tossed from the top of a 330 meter building, the height of the stone as a function of time is given by h(t)=-9.8t^2-10t+330, where t is in seconds, and height is in meters.After how many seconds will the stone hit the ground? round to the

*asked by Mike on February 16, 2011* -
## Physics

A pool ball initially traveling 5 m/s strikes a second pool ball of identical mass in a totally elastic collision. After the collision the first ball has veered off its original path and is now traveling at 3 m/s. Find the speed and angle of each pool ball

*asked by Mary on April 9, 2012* -
## Language Arts

Which of the following best describes the author’s purpose in “Harriet Tubman”? A. to explain how Tubman taught others to become Underground Railroad conductors B. to explain the path Tubman would take if she conducted the Underground Railroad today

*asked by Anonymous on October 2, 2015* -
## physics

A mass hangs on the end of a massless rope. The pendulum is held horizontal and released from rest. When the mass reaches the bottom of its path it is moving at a speed v = 2.3 m/s and the tension in the rope is T = 22.4 N. 1. What is the mass? 2. If the

*asked by hater of physics on September 28, 2012* -
## PHYSICS......

Q1.a building has three alternative routes from the ground to the first floor. i)a flight of stairs at an angle of 45 degree. ii)a near flight ladder angle 85 degree. iii)a long zig-zag slope at an angle of 15 degree. what are the disadvantages and

*asked by Riana on March 26, 2013* -
## government

all of the following are loopholes in the current federal election laws EXCEPT: a. the use of soft money for "party building" activities b. money spent by an independent person or group on behalf of a candidate c. the prominent use of issue ads d.

*asked by jere on December 23, 2007* -
## algebra

Pythagorean Theorem, The height of sueLo's 5th floor apartment window off the ground is 10 feet longer than the distance from the base of the apartment building to wall. She is concerned that the fire department's 50-foot ladder would not be able to reach

*asked by Ashley on October 14, 2010* -
## science

How much work is needed to raise a 110-kg load of bricks 12m above the ground to a building under construction? According to the law of conservation of energy, the work required equals the change in potential emergy. To get the increase in potential

*asked by tasha on February 19, 2007* -
## Math

The National Park Service is building a 16-mile hiking trail.They will post a sign every 1/8 mile along the trail, including one at the end.There will not be a post at the beginning of the trail.How many signs will they post along the trail?...

*asked by ... on June 9, 2017* -
## MATH_2016ii

A boy was building up his collection of marbles.He decided to increase his collection by 12 a week.After 13 weeks he had 161 marbles. (i) How many marbles did he have after 4 weeks? (ii) After how many complete weeks will he reach his target of 809

*asked by Anonymous666_3 on March 21, 2016* -
## Physics

(a)A car travels exactly once around a circle of radius 5.0 m at constant speed of 3.0 m/s. What is the car’s average velocity (magnitude and direction) during this interval? Explain/justify. (b)Repeat the calculation of average velocity if the car

*asked by Sonya on September 19, 2009* -
## calculus

A 160-lb man carries a 25-lb can of paint up a helical staircase that encircles a silo witha radius of 20 ft. If the silo is 90 ft high and the man makes exactly three complete revolutions, how much work is done by the man against gravity in climbing to

*asked by Bryant on April 16, 2012* -
## Geometry

Need to use a ladder to reach a window that is 8 meters above the ground. The base of the ladder will be 6 meters from base of the building. How long must the ladder be?

*asked by Des on August 28, 2012* -
## Physics 1

a piece of stone was dropped from the top of the building. the stone took 10 s to hit the ground. what is the veocity of the stone just before it hit the ground?

*asked by Marvin I. Rojas on January 1, 2015* -
## Corporate Finance

Electronic Timing Inc (ETI) is a small company founded 15 years ago by electronic engineers Tom Miller and Jessica Kerr. EIT manufactures integrated circuits to capitalize on the complex nixed-signal design technology and has recently entered the market

*asked by Khulood on May 25, 2010* -
## Algebra 1

Jared is 5 years older than Stacy. The sum of their ages is 17 a) Write a system to model Jared's age and Stacy's age. (I know that Jared is 11 and Stacy is 6)

*asked by Jalyn on November 11, 2018* -
## Unit 4 - Memory, Thinking, and Intelligence

research Spearman's Model of Intelligence and Gardner's Multiple Intelligences. Based on your findings, compare and contrast the two models. Provide several comparisons and several contrasts. Which of the two models do you feel is more in line with

*asked by candy on September 21, 2006* -
## english

Can soneone help me to combine each of the following groups of simple sentences into two longer sentences. Thanks 1. Darryl works as a model. He has to look his best. He gained ten pounds recently. He had to take off the extra weight. He would have lost

*asked by Kc on March 10, 2008* -
## statistics

Hi all i have this assignment,please help me :D . . . . . 1.The following table presents the monthly consumption (C) and income (I) of 5 families, in Jordanian Dinars: (C) (I) 290 400 210 230 200 200 150 220 250 450 A) Plot the data; B) Write the estimated

*asked by hani on May 25, 2009* -
## Algebra

Hello! This is a question from my math practice worksheet, and I have no clue how to solve it. Any and all help is greatly appreciated! The table shows a hospital’s patient count for two successive days. Write a linear function using the data (with x

*asked by Amy on June 11, 2014* -
## Physics

We can reasonaly model a 75 W incandescent lightbulb as a sphere 6 cm in diameter. Typically, only about 5% of the energy goes to visible light; the rest goes largely to nonvisible infrared radiation. (a) What is the visible light intensity (in W/m^2) at

*asked by J on March 31, 2008* -
## Physics

consider two solid cones made from a uniform material. The smaller cone is a ½ scale model of the bigger one. They are released from equal height, quickly reach their terminal velocities and fall in air until they hit the ground. Use scaling reasoning to

*asked by Jason on September 23, 2015* -
## Physics?

consider two solid cones made from a uniform material. The smaller cone is a ½ scale model of the bigger one. They are released from equal height, quickly reach their terminal velocities and fall in air until they hit the ground. Use scaling reasoning to

*asked by Jay on September 24, 2015* -
## physics

A transparent cube with index of refraction n = 1.6 and side length a = 4.0 cm is free to rotate about an axis passing through its center. A laser beam is aimed at the cube. After passing through the cube the beam hits a screen on the other side forming a

*asked by Rams on April 29, 2012* -
## physics

A transparent cube with index of refraction n = 1.6 and side length a = 4.0 cm is free to rotate about an axis passing through its center. A laser beam is aimed at the cube. After passing through the cube the beam hits a screen on the other side forming a

*asked by Rams on May 1, 2012* -
## History

What was a prevailing characteristic of Renaissance architecture? renaissance architecture followed classical Greco-roman design renaissance architecture used a Byzantine-style known as Romanesque renaissance architecture included building decorated with

*asked by malia on October 12, 2017* -
## math

im trying to help my son any help would be great When a ball is thrown up into the air, it makes the shape of a parabola. The equation S= -16t^2 + v*t + k gives the height of the ball at any time, t in seconds, where “v” is the initial velocity (speed)

*asked by joni on January 12, 2010* -
## physics

A centrifuge is a device in which a small container of material is rotated at a high speed on a circular path. Such a device is used in medical laboratories, for instance, to cause the more dense red blood cells to settle through the less dense blood serum

*asked by Tyler on January 26, 2017* -
## physics!

*asked by Gina on February 14, 2011* -
## Physics

*asked by Tyler on October 3, 2013* -
## physics

*asked by Natasha on February 22, 2012* -
## Physics

A centrifuge is a device in which small container of material is rotated at a high speed on a circular path. Such a device is a used in medical laboratories, for instance, to cause the more dense red blood cells to settle through the less dense blood serum

*asked by Kelli on July 15, 2011* -
## Physics

A centrifuge is a device in which small container of material is rotated at a high speed on a circular path. Such a device is a used in medical laboratories, for instance, to cause the more dense red blood cells to settle through the less dense blood serum

*asked by Kelli on July 15, 2011* -
## Physics!!

A centrifuge is a device in which small container of material is rotated at a high speed on a circular path. Such a device is a used in medical laboratories, for instance, to cause the more dense red blood cells to settle through the less dense blood serum

*asked by Kelli on July 18, 2011* -
## help asap statistic

I need someone to check a statistic test can anyone help me. Unit 4 Test Multiple Choice 1. Which choices listed below indicate that a linear model is not the best fit for a dataset? Choose all that apply. (3 points) • Scatterplot shows a strong linear

*asked by helen on January 7, 2014* -
## physics

in 2005, the space probe Deep Impact launched a 30 kg projectile into Comet Tempel 1. Observing the collision helped scientists learn about the comet’s characteristics. The come is estimated to have a mass of 9.0 x 1013 kg. a. Assuming the estimated mass

*asked by dreamygirl on May 15, 2012* -
## algebra

In a movie stunt, a car is driven off a cliff and falls into the ocean 200 feet below. If the car is going 50 feet/second (horizontally) when it goes over the cliff, its horizontal position is described as x = 50 t, where t is the time in seconds. Its

*asked by leigh on March 16, 2016* -
## need help with 2 physics problems

1. While following the directions on a treasure map, a pirate walks 45.0 m north, then turns and walks 7.5 m east. What single straight-line displacement could the pirate have taken to reach the treasure? 2. A hummingbird flies 1.2 m along a straight path

*asked by Anonymous on October 4, 2006* -
## algebra 2

a car enters 15 miles north of a city. it travels due north at an average speed of 62.5 miles per hour. write an equation to model the car's distance D from the city after traveling for H hours. graph the equation

*asked by mel on September 28, 2011* -
## pre calc

in many parts of the coutry the average temp of a particular area may be modeled by a sin usoidal function. According to NCDC the average temp of k city is 92.2 in july and 32.2 in january assume that the period is 12 what is the best model for when july

*asked by bandit55751 on March 8, 2011* -
## math

10. Sales of televisions grow at a rate proportional to the amount present (t is measured in days). (a)Set up a differential equation to model this problem. (b)Solve the differential equation if at t = 0, there are 20 televisions sold and after 3 days,

*asked by dougal on May 31, 2007* -
## precalc

in many parts of the coutry the average temp of a particular area may be modeled by a sin usoidal function. According to NCDC the average temp of k city is 92.2 in july and 32.2 in january assume that the period is 12 what is the best model for when july

*asked by bandit55751 on March 8, 2011* -
## Science

Hi, could someone check my answers? The nucleus of an atom is made of _______. electrons and empty space protons and neutrons** protons and electrons neutrons and electrons Niels Bohr's model of an atom looked like a (n) ___. galaxy solar system** electron

*asked by Lauren on February 6, 2018* -
## geometry

you are planning on purchasing a new car and have your eye on a specific model. you know that new car prices projected to increase at a rate of 5%per year for the next few years find the cost of the car 4 years from now if the curent price is 27,000. Write

*asked by LaTonia on August 27, 2011* -
## MAth

In one area of the Bay of Fundy, the tides cause the water level to rise to 7.2 m above average sea level and to drop to 7.2 m below average sea level. The time between the peak and the trough is approximately 6 hours. Determine the equation of a

*asked by Anonymous on July 17, 2016* -
## Elementary Statistics help

It is generally believed that electrical problems affect about 14% of new cars. An automobile mechanic conducts diagnostic tests on 128 new cars on the lot. a. Describe the sampling distribution for sample proportion by naming the model and telling its

*asked by LT on October 29, 2007* -
## STATISTICS

It is generally believed that electrical problems affect about 14% of new cars. An automobile mechanic conducts diagnostic tests on 128 new cars on the lot. a. Describe the sampling distribution for sample proportion by naming the model and telling its

*asked by LT on October 30, 2007* -
## chem11

Suppose you have a large supply of sponge balls with weights in the centre, so that when the balls are piled on each other the bottom ones are flattened. Sketch a graph that generally describes mass vs. volume for these sponge balls. Also, would weighted

*asked by girl on February 22, 2012* -
## math

Last year's computer model is on sale for $799. You can add more memory to the computer. Each chip of 8 megabytes of memory costs $25. How many megabytes of memory can you add if you have at most $1,000 to spend.

*asked by steven on March 1, 2011* -
## math

Last year's computer model is on sale for $799. You can add more memory to the computer. Each chip of 8 megabytes of memory costs $25. How many megabytes of memory can you add if you have at most $1,000 to spend.

*asked by steven on March 1, 2011*

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