Thursday

March 26, 2015

March 26, 2015

Post a New Question | Current Questions

**PHYSICS 1301 (COLLEGE)**

As shown in the figure below, two masses m1 = 4.10 kg and m2 which has a mass 50.0% that of m1, are attached to a cord of negligible mass which passes over a frictionless pulley also of negligible mass. If m1 and m2 start from rest, after they have each traveled a distance h...
*Saturday, October 18, 2014 at 3:13pm*

**PHYSICS 1301 (COLLEGE)**

A box of unknown mass is sliding with an initial speed vi = 5.10 m/s across a horizontal frictionless warehouse floor when it encounters a rough section of flooring d = 4.20 m long. The coefficient of kinetic friction between the rough section of flooring and the box is 0.100...
*Saturday, October 18, 2014 at 2:38pm*

**Language arts **

Which of the following exoresses a main idea from "Always to Remember"? A. Maya Ying Lin was a talented and smart college student who became a designer. B. Maya Ying Lin's family life, travel ecperiences, and education provided er a background necessary for a ...
*Friday, October 17, 2014 at 7:20pm*

**Algebra**

From a survey of 100 college students, a marketing research company found that 45 students own ipods, 45 owned cars and 25 owned both cars and ipods. How man students owned either a car or an ipod (but not both) and how many do not own either a car or an ipod?
*Friday, October 17, 2014 at 2:52pm*

**statistics**

A college student takes a standardized test and scores a 163. If the mean is 155 and the standard deviation is 7, what is the student’s percentile rank? (Assume a normal distribution.)
*Friday, October 17, 2014 at 2:25pm*

**college physics**

two billiard balls of equal mass undergo a perfectly elastic collision. if the speed of one ball was initially 5.72 m/s and the other 1.64 m/s. what will their speeds be after the collision
*Thursday, October 16, 2014 at 7:50pm*

**Statisitics **

Identify the population, and the sample in each of the following: A small college has 275 tenured full and associate professors. Twenty professors are randomly chosen to take part in a survey about the incorporation of technology into their teaching approach. A survey of 1023 ...
*Thursday, October 16, 2014 at 10:51am*

**vocabulary help**

When the realtor realized that there was a large dent in the floor, he tried to __________ cover it before the potential buyers noticed it. flagrantly ostensibly (my answer) surreptitiously latently Choose the word that best completes the sentence. After traffic made them late...
*Wednesday, October 15, 2014 at 10:43am*

**math college algebra**

lynne is 24 years old. lynne is twice as old as jean was when lynne is as old as jean is now. how old is jean ?
*Wednesday, October 15, 2014 at 12:00am*

**Pre-Cal**

The prerequisite for Statistics is precalculus. College of Nursing students (only) are eligible to have the prereq waived. What does waived means?
*Tuesday, October 14, 2014 at 5:38pm*

**Finance**

As a college student, you probably receive many credit card offers in the mail. Consider these two offers. The first card charges a 17 percent APR. An examination of the footnotes reveals that this card compounds monthly. The second credit card charges 16.25 percent APR and ...
*Monday, October 13, 2014 at 9:29pm*

**College Physics 1401**

The Space Shuttle travels at a speed of about 7.60 103 m/s. The blink of an astronaut's eye lasts about 100 ms. How many football fields (length = 91.4 m) does the Shuttle cover in the blink of an eye?
*Monday, October 13, 2014 at 9:06pm*

**College Chemistry lab**

How do I Calculate the concentration of iron(lll) with absorbance measurement. Wavelength is 480nm, solution is 1 ml FeCl3 : 9ml HCl, absorption is .250A, concentration of stock FeCl3 solution is 0.00050M and stock HCl solution is 2.0M. I not sure how to use beer's law to ...
*Monday, October 13, 2014 at 4:20pm*

**College Physics**

Two crates are connected by a massless rope that passes over a pulley. If the crates have mass 33 kg and 82 kg, find their acceleration. If the system begins at rest, with the more massive crate a distance 12 m above the floor, how long does it take for the more massive crate ...
*Monday, October 13, 2014 at 3:43pm*

**College Physics**

A hockey puck is sliding down an inclined plane with angle θ = 12.4° as shown in the figure below. If the puck is moving with a constant speed, what is the coefficient of kinetic friction between the puck and the plane?
*Monday, October 13, 2014 at 3:42pm*

**College Physics**

There are two forces acting on an object. One force has a magnitude of 35 N and is directed along the +x axis. The other force has a magnitude of 20 N and is directed along the +y axis. What is the direction of the acceleration of the object? Express your answer by giving the ...
*Monday, October 13, 2014 at 3:41pm*

**College Physics**

A skier is traveling at a speed of 39.7 m/s when she reaches the base of a frictionless ski hill. This hill makes an angle of 14° with the horizontal. She then coasts up the hill as far as possible. What height (measured vertically above the base of the hill) does she reach?
*Monday, October 13, 2014 at 1:48pm*

**College Math**

5) A landscaper wants to make a small planter and surround it with edging material for a client. She is deciding between two designs. Design 1: A square planter Design 2: A circular planter Edging material costs $4 per ft. for the straight variety which she would use for ...
*Monday, October 13, 2014 at 2:08am*

**college intermediate**

In a group of 200 high school students, 36 are taking biology, 52 are taking Spanish, and 126 are taking neither biology nor Spanish. If one of these 200 students is to be chosen at random, what is the probability that the student chosen is taking biology but not Spanish?
*Sunday, October 12, 2014 at 4:03pm*

**College Algebra**

When MyKing Burgers charges a price p dollars for one of its burgers, its revenue in dollars is given by R(p) = −200p(p − 10) For what prices does the company have no revenue? for this problem do i set the equation at 0=-200p(p-10) and solve from there?
*Sunday, October 12, 2014 at 1:42pm*

**Math College (Algebra)**

How to solve this system? x + [(3x-y)/(x^2+y^2)] = 3 y - [(x+3y)/(x^2+y^2)] = 0
*Saturday, October 11, 2014 at 7:19pm*

**College Algebra**

How to find the values of x,y and z and to show the condition stated below? 2yz + zx − 5xy = 2 yz − zx + 2xy = 1 yz − 2zx + 6xy = 3 Show that xyz = ±6 and find all possible values of x, y and z.
*Saturday, October 11, 2014 at 9:27am*

**College Algebra**

How to solve this system? x + [(3x-y)/(x^2+y^2)] = 3 y - [(x+3y)/(x^2+y^2)] = 0
*Saturday, October 11, 2014 at 9:25am*

**College Algebra**

Solve for x in terms of the other symbols: rsx^2 + s^2 x + rtx + st = 0
*Saturday, October 11, 2014 at 9:21am*

**College Physics**

A 0.300-kg ice puck, moving east with a speed of 5.86m/s , has a head-on collision with a 0.990-kg puck initially at rest. Assume that the collision is perfectly elastic. What is the speed of the 0.300-kg puck after the collision? What ise the speed of the 0.990-kg puck after ...
*Friday, October 10, 2014 at 8:01pm*

**College chemistry**

What is the volume in milliliters of 0.1069 M Cr2O72- required to react with 252.4 mL of 0.08013 M Cl- according to the reaction below? 6 Cl-(aq) + Cr2O72-(aq) + 14 H+(aq) ® 3 Cl2(g) + 2 Cr3+(aq) + 7 H2O(l)
*Friday, October 10, 2014 at 4:59pm*

**Algebra**

Business Computers English Foreign Languages Health Home Economics Math Music Physical Education Science Social Studies GRADE LEVELS Preschool Kindergarten Elementary School 1st Grade 2nd Grade 3rd Grade 4th Grade 5th Grade 6th Grade 7th Grade 8th Grade High School 9th Grade ...
*Thursday, October 9, 2014 at 8:35pm*

**College question**

I'm a high school senior and I'm planning on applying to SBU. I have a 4.0 gpa, a 1690 on the SAT(am going to retake), a 24 on the ACT, took 3 AP classes and am currently taking 2 more, part of National Honor Society, in the top 5% of my school, have an advanced ...
*Thursday, October 9, 2014 at 6:47pm*

**College Math **

A block with a mass of m = 31 kg rests on a frictionless surface and is subject to two forces acting on it. The first force is directed in the negative x-direction with a magnitude of F1 = 11 N. The second has a magnitude of F2 = 22.75 N and acts on the body at an angle θ...
*Thursday, October 9, 2014 at 1:22pm*

**College Science **

A chandelier is suspended by two identical, vertical chains side by side. The chandelier's mass is m = 5.3 kg. A. If the tension in one chain is represented by T, write an expression for this tension in terms of m and g, the gravitational acceleration on the Earth's ...
*Thursday, October 9, 2014 at 1:17pm*

**English**

I can't find on the web how to quote an article from the New York Times that appeared on the web--the catch is it has a column name This is the info: Title: Is College Worth It? Clearly New Data Say Author: David Leonhardt Column Name: The Upshot Publication date: May 27, ...
*Wednesday, October 8, 2014 at 10:38am*

**College chem**

what is the empirical formular of the following compound: 0.142 g phosphorus with 0.436 g of fluorine.
*Tuesday, October 7, 2014 at 5:20pm*

**College Physics**

Col. John Stapp led the U.S. Air Force Aero Medical Laboratory's research into the effects of higher accelerations. On Stapp's final sled run, the sled reached a speed of 284.4 m/s (632 mi/h) and then stopped with the aid of water brakes in 1.4 s. Stapp was barely ...
*Monday, October 6, 2014 at 8:58pm*

**math**

Alice took out a $15,000 loan for college. She is borrowing money from two banks. Bank A charges an interest rate of 6%, and Bank B charges an interest rate of 7%. After one year, Alice owes $960 in interest. How much money did she borrow from Bank A?
*Monday, October 6, 2014 at 2:28pm*

**statistics**

how to identify the 5 W's in the problem of the student averages in a High School college algebra class for the last semester. the teacher wanted to see how well the class did and constructed the Distribution from the grade book. who- Students what- average when last ...
*Saturday, October 4, 2014 at 8:58am*

**houston community college**

while the pressure of 1.40 L of a gas is kept constant its temperature increased from 27.0 C to 177 C . calculate the new volume.
*Friday, October 3, 2014 at 5:11pm*

**College Physics**

A box with a mass of 3.5 kg is resting on a horizontal frictionless incline plane which is inclined at 28 degrees. Another force is applied at an angle of 13 degrees above the direction parallel to the incline. What does the magnitude of this force need to be, in Newtons, such...
*Wednesday, October 1, 2014 at 9:05pm*

**Math help!**

The number of students taking sophomore mathematics at Union College has been decreasing at the rate of 20 per year for many years. Assuming this trend continues, write a multiplication problem that describes the change in the number of sophomores taking mathematics at Union ...
*Wednesday, October 1, 2014 at 6:18pm*

**math**

hello im having problems with my math 1 Wells College in Aurora,New York was previously an all -girls college.In 2005,the college began to allow boys to enroll. By 2012, the ratio of boys to girls was 3 to 7. if there were 200 more girls then boys in 2012, how many boys were ...
*Wednesday, October 1, 2014 at 4:38pm*

**College algebra**

There were 40,000 people at a ball game in Los Angeles. The days receipts were 298,000. How many people paid $12.00 for reserved seats and how many paid $5.00 for general admission?
*Wednesday, October 1, 2014 at 4:02pm*

**Statistics**

The age distribution of students at a community college is given below. Age (years) Number of students (f) 11) Over 35 26 1103 A student from the community college is selected at random. Find the conditional probability that the student is at most 35 given that he or she is at...
*Wednesday, October 1, 2014 at 1:13pm*

**College Alg**

The revenue and cost equations for a product are R=x (50-0.002x) and C= 12x+ 150000. Where R and C are measured in dollars and x represents the number of units sold. How many units must be sold to get a profit of at least 1,650,000
*Wednesday, October 1, 2014 at 10:45am*

**Physics College**

What is the rate of deceleration of a 1400-kg SUV that is going 75.0 km/h and then slows to 25.0 km/h in 8.20 s?
*Tuesday, September 30, 2014 at 9:22pm*

**college chemistry **

a 1.0kg sample of metal with a specific heat of 0.50KJ/Kg C is heated to 100.0C and then placed in a 50.0g sample of water at 20.0C . What is the final temperature of the metal and the water?
*Tuesday, September 30, 2014 at 5:31pm*

**College Prep Math 4**

The formula is S=2 times the square root of 5 times L. S equals the estimated speed of a car and L equals the length of the skid marks prior to the accident. 100=2(square root of 5x) I have no idea how to solve this
*Tuesday, September 30, 2014 at 9:24am*

**College Algebra**

Jen recently rode her bicycle to visit her friend who lives 12 miles away. On her way there, her average speed was 10 miles per hour faster than on her way home. If Jen spent a total of 1 hour bicycling, find the two rates.
*Tuesday, September 30, 2014 at 1:27am*

**college algebra**

y = 1 − (x − 2)^2
*Monday, September 29, 2014 at 10:16pm*

**science**

Which of the follow comparisons would be an inaccurate analogy between prokaryotic cells and eukaryotic cells? A - A eukaryotic cell is like a college campus was a prokaryotic cell is like a one-room schoolhouse B - A eukaryotic cell is like a flip phone while a prokaryotic ...
*Sunday, September 28, 2014 at 9:10pm*

**biology**

Which of the follow comparisons would be an inaccurate analogy between prokaryotic cells and eukaryotic cells? A - A eukaryotic cell is like a college campus was a prokaryotic cell is like a one-room schoolhouse B - A eukaryotic cell is like a flip phone while a prokaryotic ...
*Sunday, September 28, 2014 at 7:39pm*

**college**

The density of an alloy is 5000 kg/m3. What is the density in g/cm3?
*Sunday, September 28, 2014 at 3:32pm*

**english b**

Hughes received financial assistance from Charlotte Mason. In 1930, he broke away from Mason and her financial assistance to a. travel the world. c. to maintain his integrity. b. go back to college. d. to get married.
*Friday, September 26, 2014 at 4:54pm*

**business**

college students purchase many more energy drinks during finals week than during the rest of the semester shift of the demand curve or movement along the demand curve
*Thursday, September 25, 2014 at 2:04pm*

**business **

college students rush and buy discount furniture to take advantage of a one day sale shift of the demand curve or movement along the demand curve
*Thursday, September 25, 2014 at 2:03pm*

**Brown Mackie College**

At the end of the fiscal year, what accounts are debited and credited to record the division of net income among partners?
*Wednesday, September 24, 2014 at 6:45pm*

**College Pre-Calculus**

find a function m such that m(f) is the number of miles in f feet
*Tuesday, September 23, 2014 at 12:07am*

**Reading**

Read each sentence. On the lines provided,write simple if it has one independent clause. Write compound if it has two or more independent clauses. Write compound if it has two or more independent clauses. 1. I wanted to go to the concert,but my parents wouldn't let me. 2. ...
*Monday, September 22, 2014 at 4:01pm*

**college physics**

A 52.2 kg parachutist lands moving straight downward with a speed of 3.75 m/s. If the parachutist comes to rest with constant acceleration over a distance of 0.794 m, what force does the ground exert on her?
*Monday, September 22, 2014 at 1:23pm*

**college physics**

tennis ball rolls off the edge of a tabletop 0.900m above the floor and strikes the floor at a point 1.60m horizontally from the edge of the table. A: Find the time of flight of the ball B: Find the magnitude of the initial velocity of the ball. C: Find the magnitude of the ...
*Monday, September 22, 2014 at 12:44am*

**College Physics**

A Balloon carrying a basket is descending at a constant velocity of 20.0 m/s. A person in the basket throws a stone with an initial velocity of 15.0 m/s horizontally perpendicular to the path of descending balloon and 4.00 (s) later this person sees the stone strike the ground...
*Sunday, September 21, 2014 at 8:45pm*

**Physics College - Circular motion **

At time t1 = 2.00 s, the acceleration of a particle in counterclockwise circular motion is (6.00 m/s2) i^+ (4.00 m/s2) j^. It moves at constant speed. At time t2 = 5.00 s, its acceleration is (4.00 m/s2) i^+ (-6.00 m/s2) j^. What is the radius of the path taken by the particle?
*Sunday, September 21, 2014 at 8:38am*

**Math**

The college president asks the statistics teacher to estimate the average age of the students at their college. How large a sample is necessary? The statistics teacher decides the estimate should be accurate within half year and be 92% confident. From a previous study, the ...
*Sunday, September 21, 2014 at 5:21am*

**econ 2110**

Suppose that we want to test whether the mean selling price of houses with is the same as the mean selling price of houses without a garage. We collect two samples and obtain the following information: Houses with garage Sample size: 71 Mean selling price (in thousands of ...
*Friday, September 19, 2014 at 7:02pm*

**College Physics**

An uncharged 3.20-μF capacitor is in series, through a switch, with a 5.55-M Ω resistor and a 36.0- V battery (with negligible internal resistance.) The switch is closed at t = 0 and a current of Ii immediately appears. Determine Ii. How long will it take for the ...
*Tuesday, September 16, 2014 at 10:20pm*

**College Physics**

What is the smallest capacitor needed in a computer power supply in order to supply at least 0.2 A of current for 0.35 s after the power goes off? (DATA: Assume that the resistance of all the components of the computer mother board is 5 Ω and it uses a 5 V supply.)
*Tuesday, September 16, 2014 at 10:19pm*

**College Physics**

After 2.5 time constants, what percentage of the final voltage, emf, is on an initially uncharged capacitor C, charged through a resistance R?
*Tuesday, September 16, 2014 at 10:18pm*

**College Physics**

A heart pacemaker fires 66 times a minute, each time a 27.0–nF capacitor is charged (by a battery in series with a resistor) to 0.632 of its full voltage. What is the value of the resistance?
*Tuesday, September 16, 2014 at 10:17pm*

**College Physics**

A circuit consists of 3 components connected between 2 terminals: A 6 V source, a 90 Ω resistor and a 0.01 F capacitor. The capacitor is initially uncharged. The voltage source is turned on. What is the voltage across the capacitor after a very long time? What is the ...
*Tuesday, September 16, 2014 at 10:16pm*

**College Physics**

What is the internal resistance of a 15.0 V car battery whose terminal voltage drops to 13.40 V when the starter draws 50.1 A? What is the resistance of the starter?
*Tuesday, September 16, 2014 at 10:15pm*

**college algebra**

A jazz group on tour has been drawing average crowds of 600 people. It is projected that for every $1 increase in the $15 ticket price, the average attendance will decrease by 60. At what ticket price will nightly receipts be $7,560?
*Tuesday, September 16, 2014 at 8:33pm*

**college algebra**

The Vilas County News earns a profit of $20 per year for each of its 3,000 subscribers. Management projects that the profit per subscriber would increase by 1¢ for each additional subscriber over the current 3,000. How many subscribers are needed to bring a total profit ...
*Tuesday, September 16, 2014 at 5:56pm*

**college algebra**

An advertising company orders a poster that is 342 square feet. If its length is 1 foot greater than its width, find the dimensions of the poster.
*Tuesday, September 16, 2014 at 5:05pm*

**college algebra**

A contractor leans a 23-foot ladder against a building. The distance from the ground to the top of the ladder is 7 feet more than the distance from the building to the base of the ladder. How far up the building is the ladder to the nearest tenth of a foot?
*Tuesday, September 16, 2014 at 5:05pm*

**college algebra**

The Vilas County News earns a profit of $20 per year for each of its 3,000 subscribers. Management projects that the profit per subscriber would increase by 1¢ for each additional subscriber over the current 3,000. How many subscribers are needed to bring a total profit ...
*Tuesday, September 16, 2014 at 3:11pm*

**english**

which is a better thesis A. Because it has become outdated, the electoral college should be replaced by a system that allows the US president to be elected by direct popular vote. B. Rather than voting for a presidential candidate, voters in a US presidential election merely ...
*Monday, September 15, 2014 at 12:55pm*

**college algebra**

An executive invests $29,000, some at 8% and some at 4% annual interest. If he receives an annual return of $1,680, how much is invested at each rate?
*Monday, September 15, 2014 at 12:19pm*

**statistics**

A random sample of 8 male college students was taken and asked to report their shoe size and height in inches
*Sunday, September 14, 2014 at 11:52pm*

**College Chemistry **

how many liters of ethanol contain 1.5 kg of ethonal?
*Sunday, September 14, 2014 at 7:29pm*

**college physics**

Show that the motion of a particle in a central force field is always confined to a plane.
*Saturday, September 13, 2014 at 5:10am*

**Veterinarian assisted **

1. In the __________, an animal patient's hair is clipped and its skin is scrubbed to prepare for surgery. A. hospital ward B. surgical suite C. treatment area D. grooming area 2. Supervision of the treatment area is usually the responsibility...
*Friday, September 12, 2014 at 6:17pm*

**Language Arts - Please Check My Answer For This**

Please help me with the following: Read the sentence. Juanita used her affinity for numbers to help her design a computer program that relied on college-level math formulas, even though she was only in middle school. Based on the context clues in the sentence, what is the best...
*Friday, September 12, 2014 at 2:29pm*

**Statistics**

In a survey of 80 high school football players who committed to play in the Division III CCIW conference, 64 said that they would work out in their high school weight rooms in the summer before college. The margin of error for the survey was 6%. A census of all CCIW football ...
*Friday, September 12, 2014 at 1:04pm*

**College Algebra**

A boy can row a boat at a constant rate of 5 mi/hr in still water, as indicated in the figure. He rows upstream for 24 minutes and then rows downstream, returning to his starting point in another 16 minutes. (Round your answers to two decimal places.) (A) Find rate of the ...
*Friday, September 12, 2014 at 9:07am*

**Science (college level)**

1. What solar temp is needed for the peak intensity of radiation to occue at .2 micrometers? Remembering that humans can see light only between .4 and .7 microns, would the sun look brighter or dimmer at this new temp? 2. How much variation in earth orbital distance from the ...
*Friday, September 12, 2014 at 5:07am*

**college math**

v=1/3ttr^2h; h(geometry)
*Thursday, September 11, 2014 at 8:20pm*

**college math**

How many liters of water should be evaporated from 110 liters of a 12% saline solution so that the solution that remains is a 20% saline solution
*Thursday, September 11, 2014 at 8:18pm*

**college math**

A motorboat left a harbor and traveled to an island at an average rate of 11 knots. The average speed on the return trip was 10 knots. If the total trip took 4.2 hours, how far is the harbor from the island?
*Thursday, September 11, 2014 at 8:18pm*

**college chemistry**

Express the concentration of a 0.0620M aqueous solution of fluoride, F-, in mass percentage and in parts per million. assume the density of the solution is 1.00g/mL.
*Thursday, September 11, 2014 at 7:29pm*

**Statistics**

A poll was taken of a random sample of 1189 college students. Of these students, 789 reported that they had a drinking binge (more than 10 drinks in an evening) in the past month. Select the most believable conclusion. A. About 66.358% of college students indulged in binge ...
*Thursday, September 11, 2014 at 1:15pm*

**college math**

if $110 is invested for one year at 13% simple interest, how much interest is earned?
*Wednesday, September 10, 2014 at 4:47pm*

**college algebra**

A doctor prescribes an ointment that is 4% hydrocortisone. A pharmacist has 1% and 5% concentrations in stock. How many ounces of each should the pharmacist use to make a 3-ounce tube?
*Wednesday, September 10, 2014 at 4:03pm*

**college algebra**

An executive invests $22,000, some at 8% and some at 6% annual interest. If he receives an annual return of $1,680, how much is invested at each rate?
*Wednesday, September 10, 2014 at 3:23pm*

**college algebra**

A taxi cab company charges a flat fee of $3.30 and then an additional $2.20 for each mile. If a taxi fare is $29.70, how many miles was the trip?
*Wednesday, September 10, 2014 at 12:43pm*

**College Physics**

How many gallons of Oil would be in a cylindrical tank that was 24 feet long and had a diameter of 6 feet if the oil was 6 inches deep at the bottom of the tank?
*Wednesday, September 10, 2014 at 8:05am*

**college algebra**

compare and contrast the ways in which solving a linear inequality is similar / dissimilar to solving a linear equation please explain
*Tuesday, September 9, 2014 at 9:09pm*

**statistics**

At a local college, 81 of the male students are smokers and 729 are non-smokers. Of the female students, 350 are smokers and 350 are non-smokers. A male student and a female student from the college are randomly selected for a survey. What is the probability that both are ...
*Monday, September 8, 2014 at 1:23pm*

**Young Harris College**

How much energy is needed to heat 8.50 g of ice from -30.0 C to 70.0 C? The heat of fusion of water is 6.01 kJ/mol, and the molar heat capacity is 36.6 J/(mol.K) for ice and 75.3 J/(mol.K) for liquid water. I got 19.24kJ but it isn't correct!!
*Sunday, September 7, 2014 at 7:54pm*

**college physics**

A 49-kg lead ball is dropped from the leaning tower of Pisa. The tower is 54 m high. (a) How far does the ball fall in the first 2.4 seconds of flight? (b) What is the speed of the ball after it has traveled 4.1 m downward? (c) What is the speed of the ball 1.7 s after it is ...
*Sunday, September 7, 2014 at 4:51pm*

**college algebra**

A large rectangular movie screen in an IMAX theater has an area of 7200 square feet. Find the dimensions of the screen if it is 10 feet longer than the width.
*Saturday, September 6, 2014 at 10:27pm*

**Math**

An all girl college began enrolling boys in 2005. By 2012 the ratio of boys to girls was 3 to 7. If there are 200 more girls than boys how many boys are there?
*Saturday, September 6, 2014 at 8:08am*

**statistics**

The mean height of students in a college is 155 cms and standard deviation is 15. What is the probability that the mean height of 36 students is less than 157 cms
*Thursday, September 4, 2014 at 5:08pm*

Pages: <<Prev | 1 | 2 | 3 | **4** | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | Next>>

Post a New Question | Current Questions