Tuesday

September 30, 2014

September 30, 2014

Post a New Question | Current Questions

**Finance**

Professor Anderson has a daughter who is 3 years old. In 15 years she will go to college and he is uncertain whether he has saved enough to finance her college education. Based on his reading, he believes that it will cost $208,000 to pay for his daughter’s education in ...
*Monday, September 24, 2012 at 11:24pm*

**math**

A college bookstore ordered six boxes of red pens. The store sold 32 red pens last week and 35 red pens this week. Five pens were left on the shelf. How many pens were in each box?
*Monday, September 24, 2012 at 10:08pm*

**Finance**

Professor Anderson has a daughter who is 3 years old. In 15 years she will go to college and he is uncertain whether he has saved enough to finance her college education. Based on his reading, he believes that it will cost $208,000 to pay for his daughter’s education in ...
*Monday, September 24, 2012 at 9:30pm*

**college physics**

A new planet has been discovered that has a mass one-tenth that of Earth and a radius that is one-sixth that of Earth. Determine the free fall acceleration on the surface of this planet. Express your answer in the appropriate mks units.
*Monday, September 24, 2012 at 4:19pm*

**college physics**

Although astronauts appear weightless, they are not. They only appear weightless because they are in free fall. If a 79 kg astronaut is orbiting Earth with an orbital radius of 5.31×107 m, determine how much the astronaut would weigh. Earth's mass is 5.974 1024 kg.
*Monday, September 24, 2012 at 4:17pm*

**college physics**

new planet is discovered orbiting a distant star. Observations have confirmed that the planet has a circular orbit with a radius of 21 AU and takes 118 days to orbit the star. Determine the mass of the star. State your answer with appropriate mks units. [NOTE: AU stands for &...
*Monday, September 24, 2012 at 4:17pm*

**Houston community college**

A projectile is fired from ground level with an initial velocity of 50m/s and an initial angle of 30degree. Assuming g= 9.8 m/s*2, find: (a) The projectile total time of flight. (b) The maximum height attained (c) The total horizontal traveled (d) The final horizontal and ...
*Monday, September 24, 2012 at 12:35pm*

**College Algebra**

Use the distributive property to rewrite the expression (b+6)8=
*Sunday, September 23, 2012 at 7:57pm*

**1301 history (college)**

What did the massachusetts bay puritans do?
*Sunday, September 23, 2012 at 12:16pm*

**college algebra**

Deshaun is going to rent a truck for one day. There are two companies he can choose from, and they have the following prices. Company A has no initial fee but charges .70 cents for every mile driven. Company B charges an initial fee of $50 and an additional .20 cents for every...
*Saturday, September 22, 2012 at 1:35pm*

**college-chemistry**

How do you know when a base is weak or strong?
*Saturday, September 22, 2012 at 1:15am*

**College Math**

In a suburb, housing costs have been increasing at 5.2% per year compounded annually for the past 8 years. A house worth $260,000 now would have had what value 8 years ago?
*Friday, September 21, 2012 at 11:32pm*

**college math**

its estimated that between 1815 and 1975 some 2,580,071,000 copies of the bible were printed. write the word name for 2,580,071,000.
*Friday, September 21, 2012 at 11:22pm*

**Question regarding college**

Alright, I have a question. Last year was my freshman year in high school, and I didn't really care about my grades. I wasn't failing, but they werent excellent. They were about average. This year, I am making almost all a's, im in honors classes, and im working my...
*Friday, September 21, 2012 at 8:46pm*

**essay**

Imagine that you are hosting a group of exchange students next term. You are responsible for welcoming the students to campus and acquainting the students with life on campus socially as well as academically. Develop a "Welcome Letter" for the visiting students. Keep...
*Friday, September 21, 2012 at 6:01pm*

**college us history to 1877**

you need to compare and Contrast the New England, Southern and Middle colonies using geography including a appraisal of a geographic perspective that considers physical and cultural processes as they effect the areas, population, reason for coming to America, religion, and ...
*Thursday, September 20, 2012 at 6:30pm*

**college us history to 1877**

compare and Contrast the New England, Southern and Middle colonies using geography including a appraisal of a geographic perspective that considers physical and cultural processes as they effect the areas, population, reason for coming to America, religion, and economy.
*Thursday, September 20, 2012 at 2:52pm*

**music**

why college students learn about music that is not their favorite type
*Thursday, September 20, 2012 at 3:20am*

**statistics**

Suppose a college's SAT scores are normally distributed with mean 1000 and standard deviation 1 for students above 1200. What percentage of students is eligible for scholarships
*Wednesday, September 19, 2012 at 2:55pm*

**college-physics**

how to write scientific report on physics
*Wednesday, September 19, 2012 at 2:19am*

**statistics**

Pre study scores versus post-study scores for a class of 120 college freshman english students were considerated. The residual plot for the least squares regression line showed no pattern. The least square regression line was y = 0.2 + 0.9x with a correlation coefficient r = 0...
*Tuesday, September 18, 2012 at 11:59pm*

**college algebra**

x^4+2x^2-15=0
*Tuesday, September 18, 2012 at 9:56pm*

**SS8R: The National Convention The Female Voice**

Here it is: National Convention Speeches: The Female Voice During the month of September 2012, both the Republicans and Democrats held their national conventions. Several political figures, entertainers and everyday people were invited to speak in favor of their respective ...
*Tuesday, September 18, 2012 at 6:31pm*

**college pre-calculus**

An investment of $4000 is deposited into an account in which interest is compounded monthly. Complete the table by filling in the amounts to which the investment grows at the indicated times. (Round your answers to the nearest cent.) r = 4%
*Tuesday, September 18, 2012 at 3:34pm*

**Physics**

I am in need of some basic tools in which to become better prepared to excel in my "Conceptual Physics" college course. I am a retired veteran of the Army and have not been in school for 25 years. Some reference charts for Trigonometry, basic glossary for any ...
*Tuesday, September 18, 2012 at 7:05am*

**college-chemistry**

calculate the ph of a buffer solution prepared by adding 0.397 mole of the sodium salt of a weak organic acid HA to 0.474 L of 1.023m acid HA with pka=4.82 and diluting to 1.00 L WITH WATER
*Tuesday, September 18, 2012 at 3:26am*

**Finite Math (college)**

EventProbability Too much enamel0.27 Too little enamel0.2 Uneven application0.35 No defects noted0.43 (1) What is the probability of a paint defect? (2) What is the probability of a paint defect which includes an improper amount of paint? (3) What is the probability of a paint...
*Monday, September 17, 2012 at 10:10pm*

**Math 132 Trigonometry (College)**

when the angle of elevation of the sun is 58 degrees. the shadow cast by a tree is 28 ft. long. how tall is the tree?
*Monday, September 17, 2012 at 6:39pm*

**College Algebra**

Solve each equation. If an equation has no solution, so indicate. (no complex #) a - 1 = _ 3a + 2 a+2 a2 + 4a + 4 reads: a over a+2 minus 1 equals -3a+2 over a2 (a squared) + 4a + 4
*Sunday, September 16, 2012 at 6:32pm*

**College physics**

The magnitude of vector is 40.0 units and points in the direction 315° counterclockwise from the positive x-axis. Calculate the x- and y-components of this vector.
*Sunday, September 16, 2012 at 5:23pm*

**college algebra**

to travel 132 miles it take sue riding a moped 2 hours less time then it takes doreen to travel 56 miles riding a bike. sue travels 15 miles per hour faster then doreen find the time and rates
*Sunday, September 16, 2012 at 4:11pm*

**Database**

Following report shows a grade report that is mailed to students at the end of each semester. Prepare an E-R diagram reflecting the data contained in the Grade Report. Assume that each course is taught by one instructor. MILLENIUM COLLEGE GRADE REPORT FALL SEMESTER 199X NAME: ...
*Sunday, September 16, 2012 at 12:37am*

**Database**

Following report shows a grade report that is mailed to students at the end of each semester. Prepare an E-R diagram reflecting the data contained in the Grade Report. Assume that each course is taught by one instructor. MILLENIUM COLLEGE GRADE REPORT FALL SEMESTER 199X NAME: ...
*Saturday, September 15, 2012 at 10:58pm*

**college algebra**

f(x)= 4x+3 what is f(x+h) - f(x) divided by h
*Saturday, September 15, 2012 at 10:16pm*

**College Stat**

A pair of fair dice is rolled. What is the probability of each of the following? (Round your answers to three decimal places.) (a) the sum of the numbers shown uppermost is less than 5 and (b)at least one 5 is cast
*Saturday, September 15, 2012 at 3:46pm*

**college algebra**

x y z rhs 1 1 2 3 2 1 6 3 0 3 4 13 multiply some number by r2 and add result to r3(2) have to get o in r3 (1)- steps:------------------
*Friday, September 14, 2012 at 7:49pm*

**college algebra**

x y z rhs 1 1 2 3 2 1 6 3 0 3 4 13 i need to multiply some number and add to r3 and get o in r3 answer quick!
*Friday, September 14, 2012 at 7:44pm*

**college algebra**

x y z rhs 1 1 2 3 2 1 6 3 0 3 4 13 i need to multiply some number and add to r3 answer quick!
*Friday, September 14, 2012 at 7:41pm*

**math**

Steven collected data from 20 college students on their emotional responses to classical music. Students listened to two 30-second segments from “The Collection from the Best of Classical Music.” After listening to a segment, the students rated it on a scale from 1 ...
*Friday, September 14, 2012 at 8:20am*

**college algebra**

12x+4y+2z=-7 (1) 3x-12y+6z=-4 (2) 9x-16y+4z=-3 (3) solve the system. show steps and answers i tried this problem really difficult
*Thursday, September 13, 2012 at 7:57pm*

**college algebra**

12x+4y+2z=-7 (1) 3x-12y+6z=-4 (2) 9x-16y+4z=-3 (3) solve the system just need the steps how to do it
*Thursday, September 13, 2012 at 7:50pm*

**college algebra**

2x+y=-2 (1) x+y-z=-4 (2) 3x+5y+z=0 (3) solve the system need help quick!
*Thursday, September 13, 2012 at 7:25pm*

**statistics**

Pre- study scores versus post- study scores for a class of 120 college freshman english students were considerated. The residual plot for the least squares regression line showed no pattern. The least squares regression line was y^=0.2+0.9x withwith a correlation coefficient r...
*Thursday, September 13, 2012 at 2:20am*

**College Algebra**

What do I do to graph: (x-2)^2+(y-4)^2=9
*Thursday, September 13, 2012 at 12:49am*

**College Physics**

A hunter wishes to cross a river that is 1.6 km wide and flows with a speed of 5.0 km/h parallel to its banks. The hunter uses a small powerboat that moves at a maximum speed of 15 km/h with respect to the water. What is the minimum time necessary for crossing? min
*Wednesday, September 12, 2012 at 3:58pm*

**College Physics**

The best leaper in the animal kingdom is the puma, which can jump to a height of 3.7 m when leaving the ground at an angle of 45°. With what speed must the animal leave the ground to reach that height? _____m/s
*Wednesday, September 12, 2012 at 3:45pm*

**College Algebra**

Solve the equality.5(x^2-1)> -24x
*Tuesday, September 11, 2012 at 8:21pm*

**College Algebra**

You plan to invest $12,000 in two funds paying 41/2% and 5% simple interest. (There is more risk in the 5% fund.) Your goal is to obtain a total annual interest income of $580 from the investment. What is the smallest amount you can invest in the 5% fund and still meet your ...
*Tuesday, September 11, 2012 at 7:50pm*

**college biology**

Describe some reasons why a patient might have abnormally low blood cholesterol.
*Tuesday, September 11, 2012 at 5:14pm*

**college biology**

Why LDL is considered the bad cholesterol and HDL the good cholesterol
*Tuesday, September 11, 2012 at 5:13pm*

**college math**

can you build or generate at least 5 pythagorean triples using one of many formulas? and can u verify each one of them in the pythagorean theorem equation
*Monday, September 10, 2012 at 4:50pm*

**College Physics**

An object moves with constant acceleration 4.95 m/s2 and over a time interval reaches a final velocity of 13.2 m/s. (a) If its initial velocity is 6.6 m/s, what is its displacement during the time interval? (b) What is the distance it travels during this interval?
*Monday, September 10, 2012 at 1:00pm*

**college physics**

A race driver has made a pit stop to refuel. After refueling, he leaves the pit area with an acceleration whose magnitude is 5.40 m/s2; after 4.0 s he enters the main speedway. At the same instant, another car on the speedway and traveling at a constant speed of 69 m/s ...
*Sunday, September 9, 2012 at 6:54pm*

**math**

mr. Rodriguez, a college instructor, can grade his class papers in 3 hours while it takes his assistant 4 1/2 hours. If Mr. Rodriguez graded the papers for 1 hour and then left the job for his assistant to complete, how long will it take his assistant to finish grading ...
*Sunday, September 9, 2012 at 6:26pm*

**College Physics**

A 6107 kg elevator is moving 4.6 m/s up. The tension in the elevator cable is 66,512.6 N. Determine the acceleration of the elevator (state the appropriate mks units).
*Sunday, September 9, 2012 at 2:24pm*

**College Biology**

Calculate the concentration in Moles for a 5mgMgCl2 sample in 2L of solution. Then how many ions are in it?
*Sunday, September 9, 2012 at 2:03pm*

**College Algebra**

The period (the time required for one complete swing) of a simple pendulum varies directly as the square root of its length. If a pendulum 12 feet long has a period of 4 seconds, find the period of a pendulum 3 feet long.
*Sunday, September 9, 2012 at 1:52am*

**College Physic**

Here is the Hw question: An archerfish hunts by dislodging an unsuspecting insect from its resting place with a stream of water expelled from the fish’s mouth. Suppose the archerfish squirts water with a speed of 2.3 m/s at an angle of 50 degrees above the horizontal, ...
*Saturday, September 8, 2012 at 9:39pm*

**College Physic**

Here is the Hw question: An archerfish hunts by dislodging an unsuspecting insect from its resting place with a stream of water expelled from the fish’s mouth. Suppose the archerfish squirts water with a speed of 2.3 m/s at an angle of 50 degrees above the horizontal, ...
*Saturday, September 8, 2012 at 7:32pm*

**college algebra**

How do you solve f(x)=square root of 2x+1 using the difference quotient? I need to see the steps.
*Friday, September 7, 2012 at 3:04pm*

**college physics**

A 2000kg van and a 1500 kg car both travelling at 40ms^-1 in opposite directions collide head on and lock together. what are their speed and direction immediately after the collision?
*Friday, September 7, 2012 at 11:47am*

**college physics**

in a pinball machine, a force of 24 N is used to compress a spring a distance of 0.080m. a. What is the potential energy stored in the spring? b. What is the maximum speed tha it van produve in a ball of mass 0.15kg?
*Friday, September 7, 2012 at 11:38am*

**College Finite**

Assume that the student has a cup with 13 writing implements: 7 pencils, 4 ball point pens, and 2 felt-tip pens. In how many ways can the selection be made if no more than one ball point pen is selected?
*Thursday, September 6, 2012 at 5:43pm*

**college calc**

Give a formula for the function illustrated using a vertical shift of an exponential function. The two points marked on the graph are A=(−1,17) and B=(1,2). The red horizontal line is given by y=1, and is a horizontal asymptote of the function. What is the equation?
*Thursday, September 6, 2012 at 4:16pm*

**college algebra**

use the given zero to find the remaining zeros of the function h(x)=x^4-15x^3+60x^2+70x-816 zero: 5-3i
*Wednesday, September 5, 2012 at 9:37pm*

**Nutrition**

Josephine is a 20 year old female who is present for an eating disorder not otherwise specified. She currently teaches salsa lessons at the community college and is in her last semester of college. She reports she is living at home and the food her mom prepares is not the ...
*Wednesday, September 5, 2012 at 9:37pm*

**college alg :(**

if f(x)=lnx, g(x)=e^3x, and h(x)=x^4 find following A)(f of g)(x)and the domain of f of g B) (g of f)(x) and the domain of g of f C) (f of h)(x) and the domain of f of h
*Wednesday, September 5, 2012 at 9:31pm*

**college alg**

consider the function f(x)=9/x and g(x)=9/x find f(g)x))and any values that may be excluded what is g(f(x)) and any values that may be excluded and functions f and g inverse of eachother
*Wednesday, September 5, 2012 at 9:23pm*

**college alg**

the function f(x)=6x+9/3x-7 is one to one. find its inverse and check your answer. f^-1(x)=? please show work
*Wednesday, September 5, 2012 at 8:55pm*

**college alg**

solve the following inequality x^2(8+x)(x-5)/ (x+5)(x-2)> or equal too 0 this looks like a fraction please show work
*Wednesday, September 5, 2012 at 8:31pm*

**college elg**

the function f(x)=6x+9/3x-7 find inverse and check it f^-1(x)=? please show work
*Wednesday, September 5, 2012 at 8:29pm*

**college alg**

solve the following logarithm equation log (4x+7)=1+log(x-6) x=? please show work
*Wednesday, September 5, 2012 at 8:24pm*

**college alg**

the function f(x)=6x+9/3x-7 find the inverse and check answer f^-1(x)=? please show work
*Wednesday, September 5, 2012 at 8:23pm*

**precal college**

a rocket is shot straight up into the air with an inicial velocity of 250 ft per second and from a height of 100 feet above the ground. h= -16x2+ 250x+ 100
*Wednesday, September 5, 2012 at 8:07pm*

**college alg**

solve the following exponential equation. (e^x-e^-x)/2=6 what is the exact answer? x=? what is the answer approx to 3 decimal places? x=?
*Wednesday, September 5, 2012 at 7:43pm*

**college Alg**

graph the parabola, then determine the domain and range. f(x)=x^2x-4x-4
*Wednesday, September 5, 2012 at 7:29pm*

**college alg**

the function f(x)=6x+9/3x-7 find the inverse and check answer f^-1(x)=? please show work
*Wednesday, September 5, 2012 at 6:53pm*

**college algebra**

solve the following exponential equation. (e^x-e^-x)/2=6 what is the exact answer? x=? what is the answer approx to 3 decimal places? x=?
*Wednesday, September 5, 2012 at 6:44pm*

**college algebra**

solve the following logarithm equation log (4x+7)=1+log(x-6) x=? please show work
*Wednesday, September 5, 2012 at 6:42pm*

**college algebra**

graph the parabola, then determine the domain and range. f(x)=x^2x-4x-4
*Wednesday, September 5, 2012 at 6:01pm*

**college alg**

for the given functions f and g find the following and state the domain of each result f(x)=3x+1/8x-9; g(x)=5x/8x-9 (they look like fractions) A) (f+g)(x)=? B)domain of (f+g) c) (f/g)(x)=? d) domain of f/g? please show work
*Wednesday, September 5, 2012 at 5:27pm*

**college algebra**

A circle has the equation x^2+y^2+6x-46=0 graph using (h,k) radius r what are the intercept?
*Wednesday, September 5, 2012 at 5:21pm*

**Government**

I am looking for help. I have read this article in the New York Times Several times. It is a lengthy article. It is "A Genratin Hobbled by the soaring cost of college bt Andrew Martin and Andrew Lehran. I cannot figure out the authors purpose or what the main ideas ideas...
*Wednesday, September 5, 2012 at 11:30am*

**College Biology help!**

Is this true? Explain. To make a 100 osmolar solution of magnesium chloride, 60g of the salt are placed in a liter of water.
*Wednesday, September 5, 2012 at 12:43am*

**college alg**

find the equation of a line that is perpendicular to line y=1/6x+6 and contains point (-7,0) y=? please show work so i can see how its done
*Tuesday, September 4, 2012 at 10:49pm*

**college alg**

find the equation of a line that is parallel to the line x=6 and contains the point (-8,9) please show work, it also wants me to show the answer in an equation
*Tuesday, September 4, 2012 at 10:42pm*

**physics**

Hello everyone, I need help with this question: A dart gun is fired while being held horizontally at a height of 1.00m above ground level and while it is at rest relative to the ground. The dart from the gun travels a horizontal distance of 5.00m. A college student holds the ...
*Tuesday, September 4, 2012 at 7:42pm*

**college math**

last month bill's electric bill was $80.77. This month , bill bill was $69.06. what is the%degrease
*Tuesday, September 4, 2012 at 3:44pm*

**college math**

3-x=12(x-1)
*Tuesday, September 4, 2012 at 3:36pm*

**English**

Did help with finding the authors purpose and main ideas in this article "A Generation Hobbled by the Soaring Cost of College by Andrew Matin and Andrew Lehren in the New yOrk times
*Tuesday, September 4, 2012 at 2:38pm*

**college math II**

how do you translate the product of 10 and three more than a number in algebraic expression?
*Tuesday, September 4, 2012 at 9:05am*

**statistics**

4. Suppose you administered an anxiety test to a large sample of people and obtained normally distributed scores with a mean of 45 and standard deviation of 4. Do not use web-calculator to answer the following questions. Instead, you need to use the Z distribution table in ...
*Monday, September 3, 2012 at 8:55pm*

**college**

A blue ball is thrown upward with an initial speed of 19.8 m/s, from a height of 0.5 meters above the ground. 2.4 seconds after the blue ball is thrown, a red ball is thrown down with an initial speed of 7.9 m/s from a height of 22.5 meters above the ground. The force of ...
*Monday, September 3, 2012 at 7:33pm*

**College Math**

What would 10 to the 16th power be?
*Monday, September 3, 2012 at 7:28pm*

**College Math**

How do you solve a quadratic equation using the indian method?
*Monday, September 3, 2012 at 5:16pm*

**college physics**

A water-skier is being pulled at a steady speed in a straight line. her mass plus the mass of the ski is 65 kg. the pull of the tow rope on her is 520 N. a...i) What is the vertical component Y of the push of the water on the ski?? ....ii) What is the horizontal component X of...
*Monday, September 3, 2012 at 2:25pm*

**Probability**

4.3. In a certain college town, 27.5 percent of the students failed Mathematics (Math), 19.8 percent failed Biology (Bio), and 11 percent failed both Math and Bio. A student is selected at random. Let A represent the event of failing Math, so that A' is the probability of ...
*Sunday, September 2, 2012 at 11:32pm*

**college alg**

use the transformations to identify the graph of the function. then determine its domain, range, and horizontal asymptote. f(x)=4+3^X/3 please show work
*Sunday, September 2, 2012 at 9:53pm*

**COLLEGE ALG**

use the transformations to identify the graph of the function. then determine its domain, range, and horizontal asymptote. f(x)=4+3^X/3
*Sunday, September 2, 2012 at 5:44pm*

**math**

A college offers nine different psychology courses,four different history course,thirteen different math course,and five different business courses. If a student is required to take one course in each of those four subjects,how many different ways are there for the student to ...
*Sunday, September 2, 2012 at 11:45am*

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