Sunday

August 28, 2016
**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 by Ashton*

**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 by Jason*

**college math**

v=1/3ttr^2h; h(geometry)
*Thursday, September 11, 2014 by Anonymous*

**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 by Anonymous*

**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 by Anonymous*

**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 by Linda*

**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 by Amy*

**college math**

if $110 is invested for one year at 13% simple interest, how much interest is earned?
*Wednesday, September 10, 2014 by jessica*

**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 by Anonymous*

**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 by Anonymous*

**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 by Anonymous*

**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 by Meghan*

**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 by Debra*

**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 by Tracey*

**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 by Jhon*

**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 by Monika*

**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 by jai*

**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 by Michelle*

**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 by Anonymous*

**College Chemistry**

Suppose there are two known compounds containing the generic elements X and Y. You have a 1.00-g sample of each compound. One sample contains 0.29 g of X and the other contains 0.38 g of X. Identify plausible sets of formulas for these two compounds. Check all that apply. XY ...
*Wednesday, September 3, 2014 by Christina*

**college algebra**

1. simplify x^2+x-6/x^2-4 divided by x+3/2x+4
*Tuesday, September 2, 2014 by james*

**college algebra**

1.build the fraction x+5/x+3 to an equivalent fraction whoes denominator is x^2-x-12 2. add and simplify: x/x+2 +4x-3/x^2-4
*Tuesday, September 2, 2014 by linda*

**college algebra**

question 1: build the fraction x+5/x+3 to an equivalent fraction whoes denominator is x^2 question 2: simplify (x^2+6x+9)(3-x)/(x-3)(2x+6) question 3. find the product in simplest from x^3-9x/x^5+27x^2 * x^2-3x+9/x^2+3x
*Tuesday, September 2, 2014 by ashley*

**KIPP Believe **

The student-to-faculty ratio at a small college is 17:3. The total of students and faculty is 740. How many faculty members are there at the college? How many student?
*Monday, September 1, 2014 by Keith*

**Accounting 2**

Match each of the following steps that took place as Books on Wheels moved through the decision making, production, marketing, and sale of The Campus Cart with the correct phase of the management process: planning/organizing, directing/leading, and controlling. A. Planning/...
*Monday, September 1, 2014 by Mia*

**college algebra**

1. divide and simplify x^2+x-56/x^1-1 / x-7/2x+2 2. find the product in simplest from for x^2+x-6/2x^2-x-3 * x^7-2x^6+4x^5/x^4+8x 3. perform the indicated operations and simplify: 2/3x +4/3x^2 y^4 -6/2x^4 y^5 4. perform the indicated operation and simplify x/x-1 + 2x+3/x^2-1 5...
*Monday, September 1, 2014 by ashley*

**math**

A college student earned $8900 during summer vacation working as a waiter in a popular restaurant. The student invested part of the money at 10% and the rest at 9%. If the student received a total of $831 in interest at the end of the year, how much was invested at 10%?
*Monday, September 1, 2014 by help*

**Accounting 2**

Match each of the following steps that took place as Books on Wheels moved through the decision making, production, marketing, and sale of The Campus Cart with the correct phase of the management process: planning/organizing, directing/leading, and controlling. A. Planning/...
*Sunday, August 31, 2014 by Mia*

**Math**

A classroom in a college is 15m long and 12m broad. If the sum of the areas of its floor and the ceiling is equal to the sum of the areas of 4 walls of classroom , the volume of the classroom is.
*Saturday, August 30, 2014 by Noor*

**College Algebra**

Use the position equation given below, where s represents the height of the object (in feet), v0 represents the initial velocity of the object (in feet per second), s0 represents the initial height of the object (in feet), and t represents the time (in seconds), as the model ...
*Wednesday, August 27, 2014 by Angie*

**College Algebra**

A and B share a $21 pizza. B eats 2/3 as much as A. How much should they each pay. Hint: There is still some pizza left.
*Wednesday, August 27, 2014 by Rebecca*

**Math for college readiness**

Find the greatest common factor of these two expressions. 16w^3x^8v^4 and 28x^2v^7
*Wednesday, August 27, 2014 by Amber R.*

**College Algebra 1**

Using the factoring method, solve for the roots of quadratic equation 4x^2=16
*Saturday, August 23, 2014 by James*

**College Algebra 1**

Using the factoring method, solve for the root: 10x^2-41x=-21
*Saturday, August 23, 2014 by Kenny*

**College Algebra 1**

Factor by using the difference of two square formula 1-25z^2
*Saturday, August 23, 2014 by James*

**college algebra**

store mixes a Brazilian coffee worth worth $10 per kilogram and a turkish coffee worth $13 per kilogram. The mixture is to sell for $12 per kilogram. Find out how much of each should be used to make a 420-kilogram mixture. my calculations all came out super wrong
*Friday, August 22, 2014 by college*

**College ALGEBRA**

. Manny plans to save of his salary each week. If his weekly salary is $ 444, find the amount he will save each week.
*Friday, August 22, 2014 by MARIE JONES*

**Economics**

Production Possibilities Curve (PPC) Worksheet All PPC’s Reflect Increasing Opportunity Costs For Numbers 1-10, think the change affects all markets. On all graphs, place “Consumer Goods” on the X Axis and place “Capital Goods” on the Y. 1) Hurricane ...
*Thursday, August 21, 2014 by Ana*

**Algebra 1**

A college student is looking at her monthly checking account records. On September 1, 2008, her checking account held a balance of $1,050. At the end of March 2009, her checking account held a balance of $800. What is the monthly rate of change for the student’s checking ...
*Thursday, August 21, 2014 by Sabrina*

**college algebra**

Pump A alone can empty the city pool in 12 hours. If only pump B is used, it takes 24 hours to empty the pool. How long would it take to drain the pool if both pumps were used together?
*Wednesday, August 20, 2014 by keekee*

**college algebra**

factor (x+9)(x-16)=0
*Wednesday, August 20, 2014 by cortina*

**Advanced algebra**

The number of freshmen entering college in a certain year is 621. What type of data is 621? A. Discrete data B. categorical data C. Continuous data
*Monday, August 18, 2014 by Maddie*

**statistics**

The number of hours that college students sleep on a week night is approximated by a normal curve with a mean of 7 hours and a standard deviation of 1.7 hours. Answer the question below using a z table: On a week night, what percentage of students sleep between 5 and 10 hours
*Monday, August 18, 2014 by Anonymous*

**fitness**

1.The leading cause of death between ages 25 and 44 is A. heart disease. B. malignant neoplasms (cancer). C. unintentional injury. D. chronic low-respiratory disease. 2.Nearly _______ percent of the United States population dies from heart disease, cancer, and stroke. A. 20 B...
*Saturday, August 16, 2014 by patience*

**visual basic programming**

Write a Visual Basic program that will calculate the assessment marks of a student taking the Computer Programming subject in College. The program must be able to determine the total result and finally display the grade of that student. The program will also ensure that each ...
*Thursday, August 14, 2014 by diana*

**Education/College**

Do you believe that men and women develop in similar ways across the socioemotional domain in middle adulthood. I have read chapter 16 of my book but it is confusing me!
*Tuesday, August 12, 2014 by Cathy*

**cOLLEGE mAJORS**

ACCOUNTING VS IT WHICH IS HARDER? WHICH IS EASIER?
*Tuesday, August 12, 2014 by AJ*

**college algerba**

on a map 1" equals 630 miles. How much does 2/7 inches equal
*Monday, August 11, 2014 by chazz*

**College Chemistry II**

What is the pH of rainwater at 30C in which atmospheric Co2 has dissolved, producing a constant [H2Co3] of 1.40x10^-5 M? Take into account the auto ionization of water. Im very confused on how to even start this problem
*Sunday, August 10, 2014 by Monica *

**College Chemistry II**

What is the solubility of ZnCO3 at 25C in a buffer solution with a pH of 10.21? ZnCO3 <----> Zn++ + CO3 – - CO3-- + H2O ----> HCO3- + OH- pOH = 14 – 10.21 = 3.79 [OH-] = 1.62x10^-4 M = [CO3--] = [Zn++] Ksp = [Zn++][CO3-] = (1.62x10^-4)( 1.62x10^-4) = 2.63x10...
*Sunday, August 10, 2014 by Monica *

**MATH**

At one college, GPA’s are normally distributed with a mean of 2.9 and a standard deviation of 0.6. Find the 70th percentile.
*Thursday, August 7, 2014 by KDIZZLE*

**college algebra**

A store sells cashews for $5.00 per pound and peanuts for $1.50 per pound. The manager decides to mix 30 pounds of peanuts with some cashews and sell the mixture for $3.00 per pound. How many pounds of cashews should be mixed with the peanuts so that the mixture will produce ...
*Tuesday, August 5, 2014 by addy2017*

**college algebra**

How many gallons of a 30% alcohol solution must be mixed with 60 gallons of a 14% solution to obtain a solution that is 20% alcohol
*Tuesday, August 5, 2014 by yvette*

**college physics**

Calculate the angular speed of the moon if it makes a revolution around the earth in 27.3 days?
*Tuesday, August 5, 2014 by Silent*

**college physics**

A wheel starts from rest and increase it's rotational speed;time required to reach that speed;Uniform angular acceleration.
*Tuesday, August 5, 2014 by Silent*

**college physics**

What is the force applied in the direction of the wire at a point attached to the patient in a traction system, if the mass applied is equal to 5kg?
*Tuesday, August 5, 2014 by Silent*

**Human Resources**

3. Design a Pilot Test. Following are descriptions of three situations in which a test has been developed. Read each situation and then design a pilot test. Answer the following questions about the pilot test: a. Who will take the test? b. What information will you gather, and...
*Tuesday, August 5, 2014 by Anonymous*

**Pre-College Algebra**

multiply the polynomial (x-1)(2x squared - x- 3)
*Monday, August 4, 2014 by Nola*

**algebra**

From a survey of 100 college students, a marketing research company found that 65 students owned ipods, 45 owned cars, and 15 owned both cars and Ipods. (a) How many students owned either a car or an ipod (but not both)? (b)How many students do not own either a car or an ipod?
*Sunday, August 3, 2014 by Sheena*

**college math**

On August 4, 2007, NASA's Phoenix Mars Lander was launched into space to search for life in the icy northern region of the planet Mars; it touched down on Mars on May 25, 2008. As the ship raced into space, its jet fuel tanks dropped off when they were used up. The ...
*Saturday, August 2, 2014 by Pamala*

**College math**

Express the following in terms of Sum(or differnece) of logarithm's: log sub-b T^5 W^2 Z
*Saturday, August 2, 2014 by Chris*

**College math**

Convert to an exponential equation: -In45=3.80666249 and -Log sub.B T^5=W
*Saturday, August 2, 2014 by Chris*

**College math**

Determine whether the following function is a one-to-one function,and if the function is a one-to-one, find a formula for the inverse. F(x)=x^3-27
*Saturday, August 2, 2014 by Michala *

**College math**

Determine whether the following function is a one-to-one function,and if the function is a one-to-one, find a formula for the inverse. F(x)=(5x-6)/(2x+3)
*Saturday, August 2, 2014 by Michala *

**College math**

Determine whether the following function is a one-to-one function,and if the function is a one-to-one, find a formula for the inverse. F(x)=5/(x+3)
*Saturday, August 2, 2014 by Michala *

**College Physics 2.. HELP**

A 6 cm high object is placed 43ncm from a converging lens of focal length 24 cm. Find the image’s position and draw a ray diagram approximately to scale.
*Saturday, August 2, 2014 by seanmarch58*

**College Physics 2**

the Apollo 10 spacecraft traveled at 11 km/s just prior o its re-entry, setting a speed record for humans. Suppose advanced technology raises the speed record by a factor of 100, to 1100 km/s. if a time travel of 1 hour elapsed on a ground-based clock, by how many seconds ...
*Saturday, August 2, 2014 by seanmarch58*

**College Physics 2**

A broken-down spaceship (star Wreck?) flies across an international soccer field (Regulation length = 100 m) at a speed of 0.55c. A.) How long does the spaceship pilot measure the field to be? B.) From the spaceship pilot’s perspective, how long does it take to make this ...
*Saturday, August 2, 2014 by seanmarch58*

**College Physics 2**

An unstable particle called Bullroarium has a lifetime of 6x10E-10 seconds, measured at rest. If a Bullroariom particle zips past a stationary observer at 0.67c , find the stationary observer’s measurements for A.) Bullroarium lifetime as measured by the stationary ...
*Saturday, August 2, 2014 by seanmarch58*

**statistics**

Conduct a chi square analysis to determine whether sex and year in college are related. I have tried to submit the data but I can't seem to make the submission work. For my data I used 20 males and 20 females. and for the year in college I have 10 freshman, 10 sophomore, ...
*Thursday, July 31, 2014 by angela*

**greatbay community college**

A 5.00 kg stone is thrown upward at 7.50 m/s at an angle of 51.0 degrees above the horizontal from the upper edge of a cliff, and it hits the ground 1.50 s later with no air drag. Find the magnitude of its velocity vector just as it reaches the ground.
*Thursday, July 31, 2014 by Anonymous*

**College Physics 2**

Find the resonant frequency of a circuit that has a 400 mH inductor and a 30 nF capacitor connected in series. A) Canadian FM radio station (CLAW) broadcasts lobster information at 95.9 MHz. find the wavelength of this station. B) What would be the frequency of a station for ...
*Wednesday, July 30, 2014 by seanmarch58*

**College Physics 2**

A) Canadian FM radio station (CLAW) broadcasts lobster information at 95.9 MHz. find the wavelength of this station. (B) What would be the frequency of a station for which the carrier wave was 400 m long?
*Monday, July 28, 2014 by seanmarch58*

**College English**

Red Jacket and Tecumseh in their respective speeches (again, as translated and transcribed), make frequent reference to “brothers” and brotherhood. Why such emphasis, at that historical moment, upon fraternity and unity? CAN SOMEONE CHECK MY ANSWER TO SEE IF I ANSWER...
*Monday, July 28, 2014 by Kiara*

**College English**

Discuss, in “Sinners in the Hands of an Angry God,” Edwards’ description of God’s wrath and Edwards’ use of the metaphors of storm and thunder, flood and fire. CAN YOU TELL ME DID I ANSWER THE QUESTION RIGHT? Jonathan Edwards is a name that is getting ...
*Monday, July 28, 2014 by Kiara*

**College Bio **

If two parental organisms of genotype pp and PP were crossed, what percentage of F1 offspring would be homozygous recessive? (Assume simple Mendelian pattern of inheritance and unlinked alleles.)
*Saturday, July 26, 2014 by Jay*

**College English**

John Winthrop “A Model of Christian Charity" Discuss the manner in which the theories expressed by Winthrop are in some degree evident in American government and culture today. CAN SOMEONE TELL ME IF I ANSWER IT RIGHT? In Prospero's America, Walter W. Woodward ...
*Saturday, July 26, 2014 by Kiara*

**Economics**

Of your implicit and explicit costs of attending college, which is more, why?
*Saturday, July 26, 2014 by Jake*

**College Algebra**

Give two functions f(x) & g(x) such that (fg)(-1) = 4
*Friday, July 25, 2014 by Salas*

** college English**

Discuss the manner in which the theories expressed by John Winthrop are in some degree evident in American government and culture today. Can someone tell if my answer is right. In Prospero's America, Walter W. Woodward looks at the exchange of catalytic society to America ...
*Friday, July 25, 2014 by kiarra*

**College Algebra**

Hello Steve, it didn't work for "t" i can't get the actual value... Find the time required for an investment of 1 dollars to grow to 7200 dollars at an interest rate of 7.5 percent per year, compounded quarterly
*Friday, July 25, 2014 by Chris*

**College Algebra**

1.Give a quadratic function q(x) with a vertex of (-1, 2). 2. Give a function h(x) which does not have an inverse function. 3. Give a polynomial function g(x) with zeros 1,2,3 4. Give an exponential function s(x) passing through (0,2) and (4,1). 5. Give a rational function R(x...
*Friday, July 25, 2014 by Chris*

**College Algebra**

You wish to fence a circular garden of area 70 square meters. How much fence do you need?
*Friday, July 25, 2014 by Morgan*

** college English**

Discuss the manner in which the theories expressed by Winthrop are in some degree evident in American government and culture today. Can Someone read my response and see if I answer it right Winthrop Theory uses the central necessities of disguises and, particularly, the ...
*Thursday, July 24, 2014 by kiarra*

**College Algebra**

Give a piece-wise function p(x) where p(2)=5 and p(-1)=3
*Thursday, July 24, 2014 by jay*

**English/ Help**

Choose the sentence that does not include a usage error. A) Today’s college students may have grown up in the age of music sampling and file-sharing; however, they should realize that cutting and pasting sentences from a Wikipedia article constitutes plagiarism. B) Today...
*Tuesday, July 22, 2014 by Dulce*

**English/ Help**

Choose the sentence that does not include a usage error. A) In his article, the author implies that plagiarism is more prevalent among today’s generation of college students than it was among previous generations. B) In his article, the author infers that plagiarism is ...
*Tuesday, July 22, 2014 by Dulce*

**Chemistry**

Phosphoric acid, H3PO4(aq), is a triprotic acid, meaning that one molecule of the acid has three acidic protons. Estimate the pH, and the concentrations of all species in a 0.200 M phosphoric acid solution. pKa1 = 2.16 pKa2 = 7.21 pKa3 = 12.32 Ok I haven't been able to ...
*Monday, July 21, 2014 by Rachel*

**College math**

A rock is thrown from the top of a tower that is 400 feet tall. If its height above the ground can be modeled by h = -16t2 + 64t +400 where h is in feet, and t is in seconds. To the nearest tenth of a second, how long does it take the rock to reach the ground? To the nearest ...
*Sunday, July 20, 2014 by Michala *

**College math**

7) A rectangular pen can be constructed using the side of a barn as one boundary and 5500 ft. of fence to make the other three sides. Find the length and width of the rectangle to make the largest area. Hint: Draw a picture- and label the sides of the rectangle. And solve the ...
*Sunday, July 20, 2014 by Michala *

**college statistics**

The CEO of ABC manufacturing commissioned a study to look at the differences between the current salaries of her employees (n = 474) and their starting salaries. The study collected current and beginning salary data for each of the 474 employees and the researcher conducted a ...
*Sunday, July 20, 2014 by samantha*

**Education/College**

I have to invent a fictional character and do charts on them from infancy to early childhood,middle and late childhood adolescence, and early adulthood. I have to give this character a name , race, gender and parents. I will have to find pictures to portray my character at all...
*Monday, July 14, 2014 by Cathy*

**Education/College**

I am now in a Life Span Development course. I need an example of a personal experience that involves nurture in regard to human development
*Monday, July 14, 2014 by Cathy*

**college algebra 1**

Order the fraction in each set frim least to greater 2/7,6/7,2/3,1/7,5/7
*Saturday, July 12, 2014 by dongz sacal*

**Education/College**

In what ways does understanding the origins of the educational system in the U.S. be useful to me as a future educator?
*Saturday, July 12, 2014 by Cathy*

**Education/College**

The role of education is society.... What types of educational opportunities were available to people in a global society? Do people need education in a Global society? What types? Why or Why not? What is the role of education in society today? What is it designed to ...
*Friday, July 11, 2014 by Cathy*

**College Algebra**

15x^2-23x-21 /3x-7
*Thursday, July 10, 2014 by Valeri*

**college physics 2**

steel train rails are placed end to end with space in between on a day where a temperature is 30 degrees. How much stress will be build if the temperature is increase to 150 degrees .assume that the original is 1.5m
*Monday, July 7, 2014 by joy*

**College Algebra I **

5x – 9y = 7, 7y – 3x = -5
*Sunday, July 6, 2014 by michael43*

**Finance**

Debbie Snyder has just graduated from college and needs to buy a car to commute to work. She estimates that she can afford to pay about $ 450 per month for a loan or lease and has about $ 2,000 in savings to use for a down payment. Develop a plan to guide her through her first...
*Sunday, July 6, 2014 by Tonya*