Saturday
April 30, 2016

Homework Help: College

gaya ,college science
Which one of the following is an alkaline earth element? a) carbon b)sodium c)zinc d)iron
Sunday, October 18, 2015 by gaurav verma

College
Please,i need a chemical balanced equation between diethyl ether+ conc.sulphuric acid+ glacial acetic acid
Friday, October 16, 2015 by Rachel

Intermediate Algebra for College
Imagine that you are looking to rent a car that costs $15 a day, and you will be charged an additional 25 cents for every mile you drive it during the day. The following formula can be used to calculate the cost for driving the car for a day: C = 0.25m + 15 If you were to ...
Thursday, October 15, 2015 by Michelle

joint heirs college, Fola agoro, shomolu Lagos.
CHEMISTRY (1) What is the equation for reaction when calcium oxide and coke are heated in electric furnace (2) what solid remains when the following is heated-(a) lithium trioxonitrate (v), (b) potassium trioxonitrate (v), (c) calcium trioxonitrate (v). (3) addition of water ...
Thursday, October 15, 2015 by Agunlejika Precious

College/Career Math
You choose a tile at random from a bag containing 5 tiles with A, 9 tiles with B, and 4 tiles with C. You pick a second tile without replacing the first. Find each probability. P (A then C) P (C then B)
Wednesday, October 14, 2015 by Bethanie

college algeb
1.) 3(t+1)>2t 2.) 2p+1/5 > -3 3.) x^2-3x-10 >= 10 please help and show solution
Wednesday, October 14, 2015 by Denzel

college algeb
Inequalities 1.) 3(t+1)>2t 2.) 2p+1/5 > -3 3.) x^2-3x-10 >= 10
Wednesday, October 14, 2015 by Denzel

U.S. History
1. Explain why Secretary of State James G. Blaine convened the Pan-American conference in 1889. A: James Blaine convened the Pan-American conference because he wanted to create a customs union between Latin America and the United States. A customs union would require American ...
Tuesday, October 13, 2015 by Victoria

college algebra
Throwing A ball: A ball is thrown vertically from ground level with an initial speed of 108 ft/s. A. When will the ball hit the ground? B. When will the ball be 180 ft above the ground? h=-16t^2VT+H
Tuesday, October 13, 2015 by Hugo

college algebra
SELLING PEANUTS-samuel operates a small peanut stand. He estimates that he can sell 600 bags of peanuts per day if he changes 50 cents for each bag. He determines that can sell 20 more bags for each 1 cent reduction in price. A. What would his revenue be if he changed 48 cent ...
Tuesday, October 13, 2015 by Hugo

college algebra
r75x^8/121y^12
Tuesday, October 13, 2015 by Hugo

gov
How many votes does each state have in the Electoral College? is equal to number of members the state has in congress Just checking if this is correct.
Monday, October 12, 2015 by Adam

College Algebra
A train leaves New York for Boston, 200 miles away, at 3:00 P.M. and averages 70 mph. Another train leaves Boston for New York on an adjacent set of tracks at 4:00 P.M. and averages 55 mph. At what time will the trains meet? (Round to the nearest minute.)
Monday, October 12, 2015 by Sarah

College Algebra
The monthly cost in dollars from producing x units of an item is given by the cost function C(x)=2x^2-160x+18400. How many units will result in the minimum cost? I do not know how to start this problem. Thank you for your help!
Monday, October 12, 2015 by Hannah

Statistics
A researcher is studying the effects of caffeine on exam scores of college students. In this study: What would be the population and sample of this research? Extrapolate your views of the advantages and disadvantages of samples and populations to this example. Why would the ...
Friday, October 9, 2015 by Slomo

M.L.T college,saharsa
√x+y=11 x+√y=7
Thursday, October 8, 2015 by Vimal Shukshma Raj

College algebra
Suppose that a sales person observes that if an item is priced at $3 per item then 11 items are sold. If 9 items are sold for $5 per item then find a liner equation to model the number y of items sold for x dollars per item. Find the slope intercept form of the equation of the...
Thursday, October 8, 2015 by Raven

college algebra
fish population: the fish population in a certain lake rises and falls according to the formula F=1000(30+17t-t^2) , Here F is the number of fish at time t, where t is measured in years since January 1, 2002, when the fish population was first estimated. a) On what date will ...
Thursday, October 8, 2015 by sheen

Quick english check
Use adapt, alleviate, anecdote, attributed, diminutive, distinct, endowed, enhance, facilitating, incantation, irony, linguistic, mitigates, ponderous, restitution, and resuscitate to put in the correct sentence. Please correct me if I’m wrong! On July19, 2015, the ...
Wednesday, October 7, 2015 by Anonyomous

english
Q5. Repair Fragments. ( 2.5 ) i. Wanting to participate in the full college experience. ans. In the full college experience,wanting to participate. ii. The announcement of the return of intercollegiate athletics. ans. (I am unable to answer this) iii. For example, blueberry ...
Tuesday, October 6, 2015 by javeria

Himma International College Minna
Chemistry: 30cm^3 of a mixture of methane and ethyne require 70cm^3 of oxygen for complete combustion. Calculate the composition of the mixture
Tuesday, October 6, 2015 by Khadeejah

college algebra math help
Laura owns and operates Aunt Linda's Pecan Pies. She has learned that her profits, P(x), from the sale of x cases of pies, are given by P(x) = -x^2 + 14x + 51. a. The company will "break-even" when the profit is zero. How many cases of pies should Laura sell in ...
Saturday, October 3, 2015 by Anonymous

Math
The student to faculty ratio at a small college is 17:3. The total of students to faculty is 740. How many faculty members are there at the college? How many students?
Friday, October 2, 2015 by Anaalicia

Physics - Inverted pendulum
Hello. My son is in pre-school, but he's already starting his Undergraduate for college. Never too early to start, right? So he got this problem for homework. Can anyone help? He supposedly needed "nap time" and slept through the entire lecture the professor was ...
Friday, October 2, 2015 by John Cena

College Algebra
find all zeros of the function 6x^3+43x^2+6x+7
Friday, October 2, 2015 by Anonymous

statistics
The Economic Policy Institute periodically issues reports on wages of entry level workers. The Institute reported that entry level wages for male college graduates were $21.68 per hour and for female college graduates were $18.80 per hour in 2011 (Economic Policy Institute ...
Thursday, October 1, 2015 by gabby

math
There are 80 questions on a college entrance examination. Two points are awarded for each correct answer, and one-half point is deducted for each incorrect answer. How many questions does Tami need to answer correctly in order to score at least 100 on the test? Assume that ...
Wednesday, September 30, 2015 by K. Smith

college algebra
Kiran drove from City A to City B, a distance of 242 mi. She increased her speed by 10 mi/h for the 351-mi trip from City B to City C. If the total trip took 12 h, what was her speed from City A to City B?
Wednesday, September 30, 2015 by Maggie

College english
The phrase that signals a contrast context is A. Such as. B.on the other hand C.for instance D.to illustrate I think it is D
Wednesday, September 30, 2015 by jeny

segi college
Do you think that southwest actions are consistent with its mission?explain ways in which the firms action are consistent or inconsistent with its mission
Tuesday, September 29, 2015 by alex

College Algebra
simplify expression (no negative exponents) -2^-3(xy^3)^-2/x^-1y^-3 I got 1/-8x^2y^2
Tuesday, September 29, 2015 by Tim

College Algebra
factor completely: 16x^2 + 16x-21 I got not factorable...
Tuesday, September 29, 2015 by Tim

College algebra
A seamstress is designing a triangular flag so that the length of the base of the triangle, in inches, is 7 less than twice the height h. Express the area of the flag as a function of the height. I have figured out the area, but i'm not sure what the question means when it...
Tuesday, September 29, 2015 by Amber

College Algebra
1 - 1 = 1 ______________________________________ 4x-12 2x-6 x^2-3x Solve the equation (its subtracting the first two fractions and equalling the last fraction)
Tuesday, September 29, 2015 by Tim

College Algebra
Use quadratic formula to solve: 5x^2-10x+6=0
Tuesday, September 29, 2015 by Tim

College algebra
A seamstress is designing a triangular flag so that the length of the base of the triangle, in inches, is 7 less than twice the height h. Express the area of the flag as a function of the height.
Monday, September 28, 2015 by quel

College Algebra
Consider two circles. A smaller one and a larger one. If the larger one has a radius that is 8 ft longer than the smaller one, and if the ratio of the circumference is 3:1, then what are the radii of the two circles?
Monday, September 28, 2015 by Tim

College Algebra
write in standard form a+bi: (2+3i)^3
Monday, September 28, 2015 by Tim

History
1) Which of the statements describes someone who would have been most likely to move to New Mexico after World War II? A)a Pueblo woman who lives near Santa Fe B)a college student in nearby Colorado C)a pilot who trained at Kirtland Air Force Base during World War II D)a ...
Monday, September 28, 2015 by Appreciated Help

College algebra
Curt can be paid in one of two ways for the sales he generates: Plan A: 900$ per month plus 10% sales commission. Plan B: $1200 per month plus 15% commission on sales above $8,000. Assuming he always exceeds $8,000 in sales, for what amount interval of $ sales is Plan B better?
Sunday, September 27, 2015 by quel

college algebra
Marissa is designing a rectangular poster whose width is 2/3 of its height. Its perimeter will be 100 inches. what are the dimensions of the poster?
Sunday, September 27, 2015 by quel

college algebra
A freight rain leaves a station and travels north at a constant rate of 60 mph. One hour later a passenger train leaves the same station traveling north on a parallel track at 80 mph. How long will it take for the passenger train to draw even with the freight train?
Sunday, September 27, 2015 by quel

St Teresas College
Subject:Chemistry What is the difference between seawater and pure water in terms of osmotic pressure and vapour pressure?
Saturday, September 26, 2015 by Sulu

St Teresas College
What would be the difference between seawater and pure water in terms of osmotic pressure and vapour pressure?
Saturday, September 26, 2015 by Anonymous

Kabe college
What is the resultant of two equal forces of magnitude f,acting at right angles to each other
Friday, September 25, 2015 by Emmanuella

College Algebra
Find the time required for an investment of 5000 dollars to grow to 7900 dollars at an interest rate of 7.5% per year, compounded quarterly
Thursday, September 24, 2015 by Marina

College Algebra
A wooden artifact from an ancient tomb contains 45% of the carbon-14 that is present in living trees. How long ago, to the nearest year, was the artifact made
Thursday, September 24, 2015 by Marina

college chemistry
From your mass of MgNH4PO4.6H2O collected, calculate your value a) for the mass of "P2O5" in the initial mass of fertilizer analyzed b) the % "P2O5" in the fertilizer. Compare this with the manufacturer's specification. Just want to know how i would go ...
Wednesday, September 23, 2015 by ali

college chemistry
From your mass of MgNH4PO4.6H2O collected, calculate your value a) for the mass of "P2O5" in the initial mass of fertilizer analyzed b) the % "P2O5" in the fertilizer. Compare this with the manufacturer's specification. Just want to know how i would go ...
Wednesday, September 23, 2015 by ali

green valley college
automotive airbags inflate when sodium aside NaN3 Rapidly decomposes to its consistent elements. the equation for the chemical reaction is NaN3=Na+In2 The gaseous N2SO generated inflates the airbag. How many moles of NaN3 would have to decompose in order to generate 253 ...
Wednesday, September 23, 2015 by rosvel

green valley college
the principal constituents of natural gas is methane which burns in air according to the reaction CH4+O2=CO2+H2O How many grams of CO2 is produced when you have 50g of both CH4 and O2 what is the limiting reactant?
Wednesday, September 23, 2015 by rosvel

L.A
Which of the following expresses 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 Lins family life, travel experiences, and education provided her a background necessary for a winning design. c....
Tuesday, September 22, 2015 by Amber

statistics
Pharmaceutical companies advertise for the birth control pill an annual efficacy of 98.6% in preventing pregnancy. However, under typical use the real efficacy is only about 95%. That is, 5% of women taking the pill for a year will experience an unplanned pregnancy that year. ...
Monday, September 21, 2015 by angelica

probability
The National Center for Educational Statistics reported that in 2009 the ACT college placement and admission examination were normally distributed and had a mean of 21.1 and standard deviation of 5.1. A college requires applicants to have an ACT score in the top 20% of all ...
Monday, September 21, 2015 by matt

College Physics
A snowball off a roof that slopes downward at an angle of 40degrees. The edge of the roof is 14 m above the ground and the snowball has a speed of 8 m/s as it rolls off the edge of the roof. If a 1.8 m tall man is standing 4 m from the top of the edge of the roof, will he be ...
Monday, September 21, 2015 by Bryan

College Algebra
Randall is 105 years old. Colleen is 5 years old. How many years until Randall's age is 5 times Colleen's age?
Sunday, September 20, 2015 by Jai

physics
In college softball, the distance from the pitcher's mound to the batter is 43 feet. If the ball leaves the bat at 105 mph, how much time elapses between the hit and the ball reaching the pitcher? I figured out how many ft there would be in a second, but I'm not so ...
Friday, September 18, 2015 by Laura

college algebra
The total yearly food bill for a family of four is $9395.59. To the nearest cent, what is the mean weekly food bill?
Friday, September 18, 2015 by Jacqueline

U.S history
Was Slavery the basis of freedom in colonial America? This what I hvae written I feel like its to much and would like to shorten it and make it sound more college level plz help. In colonial America slavery was the basis of freedom. In areas such as Europe and foreign ...
Wednesday, September 16, 2015 by rachel

Writing
Please check this thesis statement. Thesis: While some college students want to be completely independent by leaving home, it is worthy to note that dependence is necessary at times.
Wednesday, September 16, 2015 by Anonymous

college algebra
195, 176, 215, 200, 189, 232, 201 mean= median= mode= 25% percentile= 75% percentile= maximum= minimum= range=
Wednesday, September 16, 2015 by tim

Writing
I concede that my thesis is vague. This is still vague to me. What are these "essential life skills"? If you list some (and make them specific), I'll help you work them in. • Re-write: Through their difficult times in college, students will be armed with ...
Wednesday, September 16, 2015 by Anonymous

college algebra
Country CO2 Emissions (tons of carbon dioxide) 2012 population  Emissions per Capita  China 8,782,000,000 1,359,750,000    United States 5,144,000,000 316,597,000   India 2,185,000,000 1,233,460,000  Russia &#...
Wednesday, September 16, 2015 by tim

college algebra
In Japan, there were 94,848 deaths attributed to heart disease and the population of Japan is about 128 million. If the United States were able to reduce its number of deaths to be proportional to that of Japan, about how many deaths due to heart disease would be expected? (...
Wednesday, September 16, 2015 by tim

Writing-Writeacher
This is still vague to me. What are these "essential life skills"? If you list some (and make them specific), I'll help you work them in. • Re-write: Through their difficult times in college, students will be armed with perseverance and determination which ...
Wednesday, September 16, 2015 by Anonymous

Writing
This is still vague to me. What are these "essential life skills"? If you list some (and make them specific), I'll help you work them in. • Re-write: Through their difficult times in college, students will be armed with perseverance and determination which ...
Wednesday, September 16, 2015 by Anonymous

Writing
Please check my rewrites (the ones with a black dot/bullet). Thank you! a. The importance of your family. Thesis: The success of a child depends on the support of his or her family. * I think this is debatable because the other side could argue that the success of a child ...
Wednesday, September 16, 2015 by Anonymous

college algebra
Are total emissions or per-capita emissions a better gauge when comparing the CO2 emissions of various countries? Why?
Wednesday, September 16, 2015 by tim

college algebra
In Japan, there were 94,848 deaths attributed to heart disease and the population of Japan is about 128 million. If the United States were able to reduce its number of deaths to be proportional to that of Japan, about how many deaths due to heart disease would be expected? (...
Wednesday, September 16, 2015 by tim

college algebra
According to the CDC there were 597,689 deaths in the US in 2010 attributed to heart disease. Given that the US population in 2010 was close to 308 million, what was the death rate per capita for heart disease in the US for 2010? (round to five decimal places)
Wednesday, September 16, 2015 by tim

Chemistry college
You are given a recipe for a buffer that contains 5% (w/v) MgSO4.7H2O. However, you only have MgSO4 anhydrous available to you. How much MgSO4 anhydrous do you need to make 0.5L of the buffer with the same molar concentration as in the recipe? Show your calculations
Wednesday, September 16, 2015 by Anna

college algebra
The Johnsons plan to put down all-weather carpeting on the porch. The length of the porch is 2 feet longer than twice the width, and the perimeter is 64 feet. Find the dimensions of the porch.
Wednesday, September 16, 2015 by Cornelius

college algebra
In the state of Indiana, 192,031 people claim not to speak English very well. If this is 3.2% of the population of Indiana residents aged 5 years and older, estimate the population of Indiana residents aged 5 years and older. (round to the nearest person)
Tuesday, September 15, 2015 by tim

college algebre
There are approximately 314 million people in the U.S. If the world population is 7.1 billion people, what percent of the world population is in the U.S.? (round to one decimal place)
Tuesday, September 15, 2015 by tim

Writing
Please check my rewrites (the ones with a black dot/bullet). Thank you! a. The importance of your family. Thesis: The success of a child depends on the support of his or her family. * I think this is debatable because the other side could argue that the success of a child ...
Tuesday, September 15, 2015 by Anonymous

Writing
Please check my rewrites (the ones with a black dot/bullet). Thank you! a. The importance of your family. Thesis: The success of a child depends on the support of his or her family. * I think this is debatable because the other side could argue that the success of a child ...
Tuesday, September 15, 2015 by Anonymous

Writing
Formulate a workable thesis statement for each of the following general subjects and topics. Please give me some feedbacks on my thesis statements. Thank you! a. The importance of your family. Thesis: The success of a child depends on the support of his or her family. * I ...
Tuesday, September 15, 2015 by Anonymous

Social Studies
Please check my answers :) 1. Which of the following means producing just enough to meet the families' needs, with little left to sell or exchange? a. harvesting b. substance farming**** c. cash crop d. tidewater farming 2. The Proclamation of 1763 called for a. settlers ...
Tuesday, September 15, 2015 by Alexis

Writing
Formulate a workable thesis statement for each of the following general subjects and topics. a. The importance of your family. Thesis: The success of a child depends on the support of his or her family. b. The difficulty of adjusting to college. Thesis: Despite the difficulty ...
Tuesday, September 15, 2015 by Anonymous

College Chemistry
When one mole of C6H6 is burned, 3.27 MJ of heat is produced. When the heat from burning 7.59 g of C6H6 is added to 5.69 kg of water at 21.0°C, what is the final temperature of the water?
Tuesday, September 15, 2015 by Angel

College Chemistry
A 43.70 g sample of a substance is initially at 24.7 °C. After absorbing 1757 J of heat, the temperature of the substance is 120.5 °C. What is the specific heat (c) of the substance?
Tuesday, September 15, 2015 by Angel

College Chemistry
The specific heat of a certain type of cooking oil is 1.75 cal/(g·°C). How much heat energy is needed to raise the temperature of 2.83 kg of this oil from 23 °C to 191 °C?
Tuesday, September 15, 2015 by Shannon

College Chemistry
When one mole of C6H6 is burned, 3.27 MJ of heat is produced. When the heat from burning 5.43 g of C6H6 is added to 5.69 kg of water at 21.0°C, what is the final temperature of the water?
Tuesday, September 15, 2015 by Shannon

satistics
Among a random sample of 500 college students, the mean number of hours worked per week at non-college related jobs is 14.6. This mean lies 0.4 standard deviations below the mean of the sampling distribution. If a second sample of 500 students is selected, what is the ...
Tuesday, September 15, 2015 by Lissa

math
A researcher wishes to estimate the proportion of college students who cheat on exams. A poll of 560 college students showed that 27% of them had, or intended to, cheat on examinations. Find the 95% confidence interval. A. 0.2323 to 0.3075 B. 0.2325 to 0.3075 C. 0.2325 to 0....
Tuesday, September 15, 2015 by Jenny K

College Algebra
An executive invests $26,000, some at 8% and some at 6% annual interest. If he receives an annual return of $1,800, how much is invested at each rate?
Tuesday, September 15, 2015 by Kendra

College Physics
At a firing range, a target is placed 300 m from where someone is firing a rifle. The muzzle speed of this rifle is 700 m/s. If the rifle is aimed directly at the center of the target, by how far will the target miss? At what angle would the rifle need to be aimed at to hit ...
Monday, September 14, 2015 by Tom

College english
some hallucinogens can be found in plants. mescaline comes from a cactus called peyote. And certain mushroom, also known as magic mushrooms, are hallucinogens.But many hallucinogens are chemicals that don't occur in nature. some examples are: LSD,MDA, MDMA, PCP Topic ...
Sunday, September 13, 2015 by peral

college physics
You step onto a hot beach with your bare feet. A nerve impulse, generated in your foot, travels through your nervous system at an average speed of 124 m/s. How much time does it take for the impulse, which travels a distance of 1.60 m, to reach your brain?
Sunday, September 13, 2015 by jess

College Algebra
how do you find the sloution of each of the following rational euations ?? ▶ 4 / m+2 - 2 / m-3 = 6 /(m+2)(m-3) ▶ 3x-2 / 5x+5 = 4x-3 / 6x+7
Sunday, September 13, 2015 by slime

college algebra
A car salesperson's annual income depends on the amount of his sales. His annual income is a salary of $11500 plus 12% of his annual sales. Write a linear equation for his annual income for sales of x dollars. ( I = mx + b ). 11500=I i Don't know what is mx+b is.
Saturday, September 12, 2015 by JTR

hoerner college
A man sells a tv set for rs 3,450 and makes a profit 15% he sells a second tv set at loss 10%,find the cp ?
Thursday, September 10, 2015 by shishu singh

college algeb
help :) 1.) cube root of 3x^2 multiplied to square root of 2x? 2.) square root of 3+2sqrt2 multiplied to sqrt of 3 - 2sqrt2 3.) sixth root of 12 divided by (sqrt 3 multiplied to cube root of 2) 4.) 4/cuberoot of 16
Wednesday, September 9, 2015 by alaine

College english
Don't want to forget what you learned today? Sleep on it. Naps, ideally 90 minutes long, help you register the happenings and how-to's learned during the day. Then when you catch your z's at night, your brain creates memories of the day's events. But overload ...
Tuesday, September 8, 2015 by lki

college algebra
Barbara has $4.40 worth of change in nickels and dimes. If she has 2 times as many nickels as dimes, how many of each type of coin does she have?
Monday, September 7, 2015 by lun

stats 200
. At a college, 72% of courses have final exams and 46% of courses require research papers. Suppose that 32% of courses have a research paper and a final exam. Let F be the event that a course has a final exam. Let R be the event that a course requires a research paper. a. ...
Sunday, September 6, 2015 by edi

sita college
It took 20 seconds for a certain volume of oxygen to effuse through an orifice(small opening) at 298K. How long will it take the same volume of each of the following gases to effuse through the same orifice at the same temperature?. The gases are hydrogen, helium, and chlorine...
Sunday, September 6, 2015 by aweda

English
1. What fact best explains why it is significant that Angelou's narrative is set in 1940? A. In 1940 the united states was not yet involved in world war 2 B. In 1940 segregation of blacks and whites was still the norm *** C. In 1940 most high school students did not go on ...
Friday, September 4, 2015 by Abby

st stevens college baja
A light inextensible string passes over a smooth light pulley and masses of 3 and 7 kg are attached to its ends.the masses are released from rest when 7kg mass is 1m above a horizontal table. 1) show that 7kg mass hits the table about 5/9 seconds if released.
Tuesday, September 1, 2015 by matovu Emma

English
1. He is an old college buddy of mine. 2. He is an old university buddy of mine. ================ Are both OK? Which one is commonly used? Does 'buddy' mean 'friend'? Can we substitute 'friend' for 'buddy'?
Tuesday, September 1, 2015 by rfvv

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