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March 29, 2017

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Homework Help: College

College Math
Michael is a software salesman. Let y represent his total pay (in dollars). Let x represent the number of copies of History is Fun he sells. Suppose that x and y are related by the equation 1700+90x=y .
Tuesday, March 28, 2017 by Michelle

Math
A college football coach wants to know if there is a correlation between his players' leg strength and the speed at which they can sprint 40 yards. He sets up the following test and records the data: Every day for a week, he counts how many times each player can leg press 350 ...
Tuesday, March 28, 2017 by Anon

differential equation
i need help understanding this question? can some one tell me what exactly i have to do in it 7. Suppose a student carrying a flu virus returns to an isolated college campus of 1000 students. Determine a differential equation for the number of people x(t) who have contracted ...
Tuesday, March 28, 2017 by javeria

College
I have a genuine question.. I have taken 3 years of Spanish in high school, but when I go into college, do I need to take another language class for my prerequisite, or do I not have to take any more language classes?
Monday, March 27, 2017 by Anonymous

College Algebra
I need to insert 1 or more sets of parenthesis or brackets to make the following equation equal 0 and then equal 1: -2^2+2^2/1/3-1/3*3-4 I have tired every combination I could think of and can't get it right.
Monday, March 27, 2017 by Kelsie

life orientation
why do learners stop their studies and fall in their first year of studies at college or universities?
Monday, March 27, 2017 by Anele

stats.help!
Each year, 64 college basketball teams compete in the NCAA tournament . Sandbox . com recently offered a prize of $10 million to anyone who could correctly pick the winner in each of the tournament games. A. How many games are required to get one championship team from the ...
Sunday, March 26, 2017 by Jen

college algebra
Aki's Bicycle Designs has determined that when x hundred bicycles are​ built, the average cost per bicycle is given by​ C(x) =0.1x^2−1.4x+8.096​, where​ C(x) is in hundreds of dollars. How many bicycles should the shop build to minimize the average cost per​ bicycle?
Friday, March 24, 2017 by marie

college algebra
A rocket is fired upward from some initial distance above the ground. Its height in​ feet, h,above the​ ground, t seconds after it is​ fired, is given by h=−16t^2+64t-3072
Friday, March 24, 2017 by marie

College Algebra
Consider the function f(x)=4 - x^2 for the domain [ 0,∞). Find f^−1 (x), where f^−1 is the inverse of f. Also state the domain of f^−1 in interval notation. f^-1 (x) = ___ for the domain ___
Tuesday, March 21, 2017 by Jermaine

College algebra
If 70% of a radioactive element remains radioactive after 400 million years , then what percent remains radioactive after 600 million years? What is the half-life of this element
Monday, March 20, 2017 by Alexus

College Algebra
I can't seem to figure this quadratic - An aircraft factory manufactures airplane engines. The unit cost C (the cost in dollars to make each airplane engine) depends on the number of engines made. If x engines are made, then the unit cost is given by the function C(x) = 0.2x^2...
Sunday, March 19, 2017 by Jermaine

College Algebra
On May 18, 2010, a company reported that it had a net profit of $15.1 million, which represented an increase of 206.3% for 12-month period ending on March 31, 2010. Estimate the net profit for the previous year ending on March 31, 2009 by creating an exponential growth ...
Sunday, March 19, 2017 by Shelia

College Algerbra
the value of a particular investment follows a pattern of exponential growth. In the year 2000, you invested money in a money market account. The value of your investment t years after 2000 is given by the exponential growth model A = 1600e^(0.052t). By what percentage is the ...
Saturday, March 18, 2017 by Hilary

College Algebra
What would be an extraneous solution to the equation 4/(x+7) +3 = -2/13
Saturday, March 18, 2017 by Lisa

College
Two motorcycles of equal mass collide at a 90 intersection. If the momentum of motorcycle A is 450 kg km/h west and the momentum of motorcycle B is 725 kg km/h south, what is the magnitude of the resulting momentum of the final mass?
Saturday, March 18, 2017 by Sotha Bun

College statistics- SCWK450
One hundred students took a statistics exam where the mean score was 78. The distribution was normal. The standard deviation was 4. If Chris earned an 80 on the exam, at approximately what percentile did his grade fall? (Round your answer to the nearest whole number.)
Sunday, March 12, 2017 by ShaQuana Mitchell

english
are these thesis good? 1) Cell phones are becoming increasingly popular and are in use almost anywhere one goes. 2) Now a day computers are so valuable and accessible that you can find them almost anywhere such as schools, offices and public places. 3) Even though basketball ...
Sunday, March 12, 2017 by elean

English
What does the word “pentimento” mean, and what is its specific implication in this context? "Now General Eisenhower and I were alone in his studio. What on earth to say—with those five stars in pentimento on his shoulders, me a nineteen-year-old college student. The ...
Thursday, March 9, 2017 by Emma

Communications
I need help brainstorming ideas for the following below: our assignment is that : "You have been asked by the college union to research a way that will make the lives of its students easier. You should consider ONE facet of a students’ life that you would like to help with (...
Tuesday, March 7, 2017 by Ria

College English
Compare and contrast Azar Nafisi's "Reading Lolita in tehran" work to Frederick Douglass " Learning to Read and Write" work. I've read both but I'm not sure what to write for contrast. They both Had No freedom, social obligations and Strived for Education. I need to Write an ...
Monday, March 6, 2017 by Alissa

College Algebra
Jim wants to build a rectangular parking lot along a busy street but only has 2,700 feet of fencing available. If no fencing is required along the​ street, find the maximum area of the parking lot. I got the answer 911.25 which was incorrect I'm not sure what im doing wrong
Saturday, March 4, 2017 by Angelica

history
1. What is allocation by need? (1 point) pricing goods based on want rather than need giving or selling goods only to people who most need them giving or selling goods to whoever will stand in line the longest pricing goods so that even the most vulnerable members of society ...
Thursday, March 2, 2017 by check pleaseee

Math
A group of students were asked to select their preferred breakfast drink from among coffee, tea, and orange juice. The results of the survey are shown in the table along with information about whether the students are in high school (HS) or in college (C). Create a two-way ...
Sunday, February 26, 2017 by Anonymous

math
The probability that Jeff will be accepted to Green Valley College is 3/4, and the probability that Justin will be accepted to Blue Ridge College is 2/5. What is the probability that Justin will be accepted and Jeff will not?
Sunday, February 26, 2017 by Rachel

College Algebra
Robert invested $10000 and earned a total of $550 interest. He invested part of the $10000 in an account paying 5% and rest in an account paying 6%. How much did he invest in each account.
Saturday, February 25, 2017 by Keonn'a

english help asap
Senator Warren states that women are "ready to fight back" against unequal pay. Is this a valid argument supported by accurate evidence? A.No; Warren weakens her point by noting that "Today, more young women go to college than men." B.Yes; Warren supports her point by noting ...
Friday, February 24, 2017 by lily

History
Please check my answers. Question 1(Multiple Choice Worth 5 points) [06.06 MC] Which answer best describes how the Supreme Court viewed Maryland's taxing of the national bank created after the War of 1812? The Supreme Court decided Maryland was within its rights as a state. ...
Wednesday, February 22, 2017 by Anonymous

stats
A preliminary survey shows that 35% of college students smoke. In a class of 42 students, what is the probability that more than half the students smoke?
Monday, February 20, 2017 by ......

College Algebra
For fx=6x-5 and gx=3x^2-4 find the following (fog)(x) Having problems understanding (gof(x)=g(f(x))= 3(f(x))^2-4 3(6x-5)^2-4 (36x-9-25)-4
Monday, February 20, 2017 by Lisa

college chemistry
Calculate how much carbon you use in a year, by considering how much driving you do a year. If I use 500 gal per year, what is my answer? balanced combustion equation which shows how the main component in gasoline reacts in your car and produces carbon dioxide: 2C8H18(l) + ...
Monday, February 20, 2017 by Alex

english 101
which word or phrase is wrong? Her mother asked her what would she do after she graduated from college. her-would-she do-from
Monday, February 20, 2017 by engl1301

college chemistry
How many grams of NaCN are needed to react with 50.0 g of MgCl2?
Saturday, February 18, 2017 by Al

College Chem
A 1000 g sample of metal with a specific heat of 0.50 J/goC is heated to 100.0oC and then placed in a 50.0 g sample of water at 20.0oC. (Hint: Specific heat of water at 20.0oC is 4.182 J/goC). What is the final temperature of the metal and the water? Write your answer to the ...
Friday, February 17, 2017 by nia

COLLEGE CHEMISTRY
write the net ionic equation (including phases) that corresponds to zn(no3)2 + Na2CO3--->ZnCO3+2NaNO3.
Friday, February 17, 2017 by Alex

college chemisrt
write the net ionic equation (including phases) that corresponds to zn(no3)2 + Na2CO3--->ZnCO3+2NaNO3
Friday, February 17, 2017 by Alex

Math (Algebra 2)
Ann and Tom want to establish a fund for their​ grandson's college education. What lump sum must they deposit at a 9.39​% annual interest​ rate, compounded annually​, in order to have ​$20,000 in the fund at the end of 10 ​years? I cannot get the right answer.
Thursday, February 16, 2017 by John

math
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.)
Tuesday, February 14, 2017 by mary

College Algebra
Consider the amount of gas in your car during a road trip. You start out with 45 gallons and drive for 4 hours, leaving you with 27 gallons in the tank. You stop for lunch for 2 hours and then drive for 2 more hours, leaving you with 18 gallons. t= time C (t)=_____ if 0 </ ...
Tuesday, February 14, 2017 by Kriss

college algebra
A rock is thrown upward with a velocity of 20 meters per second from the top of a 37 meter high cliff, and it misses the cliff on the way back down. When will the rock be 4 meters from the water, below? Round your answer to two decimal places.
Monday, February 13, 2017 by sharena

college algebra
A rock is thrown upward with a velocity of 20 meters per second from the top of a 37 meter high cliff, and it misses the cliff on the way back down. When will the rock be 44 meters from the water, below? Round your answer to two decimal places.
Monday, February 13, 2017 by sharena

College Algebra
suppose you go on a road trip, driving at a constant speed of 75 miles per hour. create an equation relating distance ,d, in miles and time traveled, t, in hours. d= __?__
Monday, February 13, 2017 by lilly

college algebra
A rock is thrown upward with a velocity of 28 meters per second from the top of a 38 meter high cliff, and it misses the cliff on the way back down. When will the rock be 7 meters from the water, below? Round your answer to two decimal places. Gravity Formula
Sunday, February 12, 2017 by denise t

college math
two cars are approaching an intersection one is 3 miles south of the intersection and is moving at a constant speed of 20 miles per hour. at the same time the other car is 4 miles east of the intersection and is moving at the constant speed of 30 miles per hour. a)express the ...
Sunday, February 12, 2017 by Jennifer

college math
a rectangular dog pen is to be constructed so that one side is against an existing stone wall and the other three sides are to be fenced. of 500 feet of fence is to be used, determine the dimensions and area of the pen with maximum area. I have no idea how to solve this problem.
Sunday, February 12, 2017 by Jennifer

College calculus
Find the dy/dx A. y = u sqrt u + 1; u = 2x^2 - 2/3 B. x = u/ (1 + u^3); y = u^2 /(1 + u^3) Can someone help me
Sunday, February 12, 2017 by Nicole

Math College freshman
What is the linear equation for the following table? x h(x) 20 20 40 -100 60 -220 80 -340 100 -460
Friday, February 10, 2017 by Maritza Rodriguez

College Algebra
Determine the equation for the linear function p t 5 0.75 10 1.50 15 2.25 20 3.00 25 3.75 T= .15p+___
Friday, February 10, 2017 by Dinora Eeyes

English writting
I have to write an essay andnit has to do with barbie dolls. I really do not know what way to take this essay or where to start. It's for college & please opinions ?
Tuesday, February 7, 2017 by Brianna juarez

Trinity college Gboko ..
What is the reason for using just a small quantity of indicator during acid-base titration?
Sunday, February 5, 2017 by M.jude

buisness
If you find a job posting for a community college that clearly states that the job will close on 08/15/2017, what does this mean? a. Someone will be hired by that date. b. The employer is only hiring until that date. c. After that date, the employer will no longer accept job ...
Friday, February 3, 2017 by daisy

College Algebra
Consider the following Matrix: A= [-2 0 1 -1 -2 1 1 -1 0 ] Choose the correct description of A. Find A−1 if it exists. Multiple Choice homework question: 1) A is Nonsingular; that is, it has an inverse. A^-1= 2) A is singular; that is, its inverse doesn't exist. Thanks!
Wednesday, February 1, 2017 by Moses

College Algebra
A motorboat takes 5 hours to travel 100mi going upstream. The return trip takes 2 hours going downstream. What is the rate of the boat in still water and what is the rate of the current?
Wednesday, February 1, 2017 by Moses

College Algebra
Find the difference quotient f(x+h)-f(x)/h, where h cannot be equal to 0 , for the function below. f(x)=1/x+9 Simplify your answer as much as possible.
Wednesday, February 1, 2017 by Moses

English
The passage: Suppose the state is considering a proposal to raise the legal driving age from 16 to 18. The following letter addresses this proposal. Dear Editor, I understand that the state wants to raise the driving age to 18. That change would be a great mistake. The reason ...
Tuesday, January 31, 2017 by PleaseHelpMe777

psych
Identify each of the following consequences either positive reinforcement (PR), negative reinforcement (NR), negative punishment (NP) or positive punishment (PUN). NP 1. A teacher meeting with a parent makes that parent feel less powerful by having her sit on small, ...
Friday, January 27, 2017 by SAM

College Chemistry
If the reaction rate increases by 2.6 when the temperature increases from 20-30 degrees Celsius, what is Ea? Do we use 2.6 in place of (k2/k1) or multiply something by 2.6? Lost, please help.
Friday, January 27, 2017 by ts

College Algebra
x+2y=0 x+3y+z=1 -4x-y-z=23
Friday, January 27, 2017 by Robert

financial literacy
A college professor's compensation package includes the total cost of a $350-per-month health insurance plan, the total cost of a $45-per-month life insurance plan, and a salary of $65,000 per year. What is the yearly value of the compensation package?
Tuesday, January 24, 2017 by Anonymous

College Stats
Suppose that two random variables X1 and X2 have a bivariate normal distribution, and Var(X1) = Var(X2). Show that the sum X1+X2 and the difference X1− X2 are independent.
Tuesday, January 24, 2017 by Sophia

college algebra
a 1 degree equation -4 over 2x+3 + 1 over x-1 equals 1 over (2x+3)(x-1)
Monday, January 23, 2017 by Dawn

college algebra
total of $10,000 is to be divided between sean and george, george will receive $3000 less than sean. how much will each get? thank you in advance
Monday, January 23, 2017 by Dawn

college algebra
The sum of two positive numbers is 34. When the smaller number is subtracted from twice the larger, the result is 26. Find the two numbers,
Sunday, January 22, 2017 by marytidwell29

college algebra
It is 473,000,000 miles from Jupiter to the sun. Light travels 186,000 miles per second. How long does it take light to travel from the sun to Jupiter? (Express your answer in minutes. Round your answer to two decimal places.)
Sunday, January 22, 2017 by Anonymous

Government
Does the popular vote matter at all in presidential elections? If so, why does the electoral college have the right to elect the president?
Friday, January 20, 2017 by Maya

eng
the primary purpose to al gore's an inconvenient truth is a. to inform the readers that there is environmental hazard in burning fossil fuels b. to entertain readers with stories from his college days and his professor's quotations c. to persuade the readers that by taking ...
Thursday, January 19, 2017 by help

Math-Ratios
In a college library, there are 4 times as many nonfiction books as fiction books. A.Find the ratio of the number of nonfiction books to the number of fiction books. B.How many times the number of nonfiction books is the number of fiction books? C.Suppose the fiction books is ...
Thursday, January 19, 2017 by Elizabeth

MATH HELP
I am trying to work this problem out. I know that the systematic counting principle is used. However, I cannot get the right answer. For the first part, I took R=2 N=6 6!/(6-2)! (Permutation). Answer: 30 choices for the Chair/Vice The second part, I took R=2 N=8 Combination ...
Wednesday, January 18, 2017 by Johnathan (John)

math
A student made 8 round trips to and from college.If each round trip was 214 miles about how many miles did the student travel in all?
Wednesday, January 18, 2017 by Lonhe

MATH HELP
I am trying to work this problem out. I know that the systematic counting principle is used. However, I cannot get the right answer. For the first part, I took R=2 N=6 6!/(6-2)! (Permutation). Answer: 30 choices for the Chair/Vice The second part, I took R=2 N=8 Combination ...
Wednesday, January 18, 2017 by Johnathan (John)

Math Help
I am trying to work this problem out. I know that the systematic counting principle is used. However, I cannot get the right answer. For the first part, I took R=2 N=6 6!/(6-2)! (Permutation). Answer: 30 choices for the Chair/Vice The second part, I took R=2 N=8 Combination ...
Wednesday, January 18, 2017 by John

English
1. The sound device in which vowel sounds of nearby words are repeated is called (1 point) alliteration assonance consonance onomatopoeia 2. The word wail is an example of (1 point) alliteration assonance consonance onomatopoeia 3. In “The Rime of the Ancient Mariner,” why...
Wednesday, January 18, 2017 by boo

Math
I am trying to work this problem out. I know that the systematic counting principle is used. However, I cannot get the right answer. For the first part, I took R=2 N=6 6!/(6-2)! (Permutation). Answer: 30 choices for the Chair/Vice The second part, I took R=2 N=8 Combination ...
Wednesday, January 18, 2017 by John

English
I need help coming up with 3 supporting sentences for the following sentences. 1. My poor study habits are ruining my self-confience. 2. My poor study habits are destroying my hopes for a college scholarship.
Tuesday, January 17, 2017 by HAYDEN

Algebra
Nico is saving money for his college education. He invests some money at 8% and $1400 less then the amount at 7%. The investments produced a total of $217 interst in one yeat. How much did he knvest at each rate? So far I have 0.08 (1400)(0.07)
Tuesday, January 17, 2017 by Sue

College Math - Quantitative Reasoning
Hello, I could really use some help with this problem. If the national economy shrank at an annual rate of 7​% per year for three consecutive​ years, then the economy shrank by 21​% over the three​-year period. - Of course, I understand 7% would be 93. I have tried ...
Monday, January 16, 2017 by Emily

Pre Calc
The Department of Foreign Languages of a liberal arts college conducted a survey of its recent graduates to determine the foreign language courses they had taken while undergraduates at the college. Of the 500 graduate 207 had at least one year of Spanish. 171 had at least one...
Sunday, January 15, 2017 by Laura

accounting
Which college or university could I go after grade 12
Sunday, January 15, 2017 by Ndlandla

FINANCIAL MANAGEMENT
11-16 NPV and IRR John’s Publishing Company, a new service that writes term papers for college students, provides 11-page term papers from a list of more than 500 topics. Each paper will cost $7.50 and is written by a graduate in the topic area. John’s will pay $20,000 for...
Saturday, January 14, 2017 by NAY

College Physics
A 0.697-kg basketball is dropped out of a window that is 6.98 m above the ground. The ball is caught by a person whose hands are 1.73 m above the ground. (a) How much work is done on the ball by its weight? What is the gravitational potential energy of the basketball, relative...
Wednesday, January 11, 2017 by Cameron

College Physics
The space probe Deep Space 1 was launched on October 24, 1998. Its mass was 474 kg. The goal of the mission was to test a new kind of engine called an ion propulsion drive. This engine generated only a weak thrust, but it could do so over long periods of time with the ...
Wednesday, January 11, 2017 by Tyler

College Physics
Two forces  and  are applied to an object whose mass is 5.75 kg. The larger force is . When both forces point due east, the object's acceleration has a magnitude of 0.979 m/s2. However, when  points due east and  points due west, the acceleration is 0.639 m/s2, ...
Thursday, January 5, 2017 by Thomas

College Physics
An airplane has a mass of 3.19 × 104 kg and takes off under the influence of a constant net force of 1.56 × 104 N. What is the net force that acts on the plane's 82.1-kg pilot?
Wednesday, January 4, 2017 by Micah

math college readiness
Find the midpoint of the segment below and enter its coordinates as an ordered pair. If necessary, express coordinates as fractions, using the slash mark ( / ) for the fraction bar.
Wednesday, December 21, 2016 by kiandra

Algebra 9th
24. Correlation -0.015 How confident can you be? I'm confident in -0.015 because it's closer to 0 than anything else, therefore has no correlation. 25. 25. A college football coach wants to know if there is a correlation between his players' leg strength and the time it takes ...
Monday, December 19, 2016 by bleh

Algebra
10. Write an equation in point-slope form for the line through the given point with the given slope. (5, 2); m=3 a. y+2=3(x-5) *** b. y+2=3x-5 c. y-2=3(x+5) d.y-2=3(x-5) 11. Write an equation in point-slope form for the line through the given point with the given slope. (-10,-...
Monday, December 19, 2016 by bleh

English
Write each noun and tell whether it is concrete or abstract. Mary and John study English at the college. Mary and John= concrete English= abstract college= concrete
Sunday, December 18, 2016 by Kimmy

Cardinality of Intersection
In a loan database, there are 15 loans to clients with 9 years of business experience. Also, there are 60 loans made to clients with a College education. In the database there are 63 loans to clients with 9 years of experience or who have a College education. How many loans ...
Friday, December 16, 2016 by Edna

College Statistics
How much should you invest each month in order to have $800,000 if your rate of return is 5.3% compounded monthly and you want to achieve your goal in 40 years? How much interest will you earn? How much should you invest each month in order to have $800,000 if you want to ...
Friday, December 16, 2016 by onlyzoe_!

Business
If a new college graduate wants a car costing $21,000, how much must be saved annually over the next four years if the funds earn 5%?
Wednesday, December 14, 2016 by Tori

American Government
Which process came under scrutiny during the 200 presidential election of George W. Bush? (1 point) A) Due process B) Electoral College C) Declare war D) Legislative process
Tuesday, December 13, 2016 by Samantha

Social Studies, Civil War
Most of the questions have maps or images to go with them, I answered those but I need help/answers checked on the ones that don't. I need to get a good grade on this so I can finally get out of this stupid online school!!! What was the importance of slave codes? A. They ...
Tuesday, December 13, 2016 by UrgentHelpNeeded

Society and Culture before the Civil War SS
Most of the questions have maps or images to go with them, I answered those but I need help/answers checked on the ones that don't. I need to get a good grade on this so I can finally get out of this stupid online school!!! What was the importance of slave codes? A. They ...
Monday, December 12, 2016 by UrgentHelpNeeded

opf girls college
find the angle of projection for which max height of a projectile is equal to half of its horizontal range?
Monday, December 12, 2016 by mahnoor raza

marian university college
The molar constant-pressure heat capacity of a certain solid at 4.2 K is 0.43 J K−1 mol−1. What is its molar entropy at that temperature?
Monday, December 12, 2016 by emmanuel

College Physic
A 1.54 x 10-2-kg block is resting on a horizontal friction-less surface and is attached to a horizontal spring whose spring constant is 129 N/m. The block is shoved parallel to the spring axis and is given an initial speed of 8.84 m/s, while the spring is initially unstrained...
Sunday, December 11, 2016 by David

college statistic
A study was done on skull sizes of humans during different time periods. The results are shown in the table. Assume that the two samples are independent simple random samples selected from normally distributed​ populations, and do not assume that the population standard ...
Saturday, December 10, 2016 by Anonymous

College Chem 2
Calculate the solubility Ag2CrO4(s) in a 0.100 M solution of AgNO3 and compare its solubility with Ag2CrO4 solubility in pure water at room temperature. The Ksp for Ag2CrO4 is 9.0 x 10^-12 at room temperature. The Kspfor Ag2CrO4 at room temperature in pure water is 1.3 x10^-4.
Friday, December 9, 2016 by Avery

Art History, college
Is there a difference between the Flamboyant style and the Late Gothic style of architecture?
Thursday, December 8, 2016 by Alex

Art History, college
Q:Describe, with specific examples, what kind of art the Hiberno-Saxons are best known for. Include a basic progression of this art-type’s development ? A: The kind of art that the Hiberno-Saxons are best known for is their illuminated manuscripts as many of the earliest ...
Wednesday, December 7, 2016 by Alex

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