Tuesday

July 26, 2016
**statistics**

The time needed to complete a final examination in a particular college course is normally distributed with a mean of 79 minutes and a standard deviation of 8 minutes. Answer the following questions. Assume that the class has 60 students and that the examination period is 90 ...
*Sunday, November 15, 2015 by margaret*

**College Algebra**

Gary owns a car dealership that sells cars, SUVs and minivans. Gary has three times as many SUVs as Minivans. He has eight more cars than SUVs. If he has a total of 127 vehicles on his lot, how many of each type does he have?
*Sunday, November 15, 2015 by Need Help*

**College Algebra**

The students in a political science class are divided up into three categories: liberal, conservative, or moderate. There are five more conservatives than moderates, and twice as many liberals as conservatives. How many of each type are there if there is a total of 87 students...
*Sunday, November 15, 2015 by Test*

**college math**

A survey indicated that 3 out of 5 doctors use brand x aspirin. If 2000 doctors were surveyed how many used brand x? please show me how to solve this ?
*Sunday, November 15, 2015 by LISA COLLEGE MATH*

**college algebra**

john can usually wash a car in 45 mins. where as jim took 30 mins. for the job. one weekend they were in a hurry, so they worked together. How long did it take them?
*Sunday, November 15, 2015 by Britz*

**College algebra**

One pipe can fill the swimming pool in 6h and on other in 8h. If the first run for 2h and then the second is opened. How long before the pool is full?
*Sunday, November 15, 2015 by Britz*

**college algebra**

The rodent population in a city is currently estimated at 70,000 and is growing according to the Malthusian model. If it is expected to double every 3 years, when will the population reach one million? (Round your answer to one decimal place.)
*Thursday, November 12, 2015 by Taylor *

**Statistics **

the length of times it takes college students to find a parking spot im the library parking lot follows a normal distribution with a mean of 5.5 minutes and a standard deviation of 1 minute. find the cut off time which 75.8% of the college students exceed when trying to find a...
*Thursday, November 12, 2015 by Cody*

**Language Arts**

Question and answer review Please help Story. (Arturo’s mother asked him to visit his grandfather, who lives in a nursing home. Arturo did not want to go, but he finally agreed and is now sitting with his grandfather.) ^^^^^^^^paragraph 1^^^^^^^^ His name is Arturo too. I...
*Thursday, November 12, 2015 by An hour with Abuelo*

**Math**

Nico is saving money for his college education. He invests some money at 8%, and $1900 less than that amount at 7%. The investments produced a total of $257 interest in 1 yr. How much did he invest at each rate?
*Thursday, November 12, 2015 by G*

**English**

This is an essay dealing with Henry David Thoreau, Mahatma Gandhi, and Martin Luther King Jr. The prompt asked how do these men individually reflect the "sprit of optimism" hence this is the name of the essay (: I need help to REVISE & EDIT as far as grammar, correct...
*Wednesday, November 11, 2015 by Emma*

**top ville college**

Chemistry What volume of carbon (iv) oxide at s.t.p is evolved when o.5moles of NaHCO3 is heated
*Wednesday, November 11, 2015 by olamide*

**College Physics**

A 10 kg mass (initially at rest) is attached to a rope, which is wrapped about a thin-walled hollow cyclinder of diameter D = 50 cm and mass = 20 kg. After the 10 kg mass drops a distance of 1.4 m, what is the angular speed of the cylinder? What is the acceleration of the ...
*Wednesday, November 11, 2015 by Steve*

**College Physics**

A 10 kg mass (initially at rest) is attached to a rope, which is wrapped about a thin-walled hollow cyclinder of diameter D = 50 cm and mass = 20 kg. After the 10 kg mass drops a distance of 1.4 m, what is the angular speed of the cylinder? What is the acceleration of the ...
*Tuesday, November 10, 2015 by Steve*

**College Algebra**

The winning candidate for president of the freshman class received 2988 votes. If that was 150 more than half the votes cast, how many freshmen voted?
*Tuesday, November 10, 2015 by Hey*

**Statistic**

A researcher wants to know if the mean Body Mass Index (BMI) among a group of college students differs from 22. He took a random sample of 20 students and obtained their BMI: 22 21 21 22 26 24 20 24 24 27 36 28 20 25 22 19 24 26 22 21
*Monday, November 9, 2015 by Khoo*

**college of the redwoods**

x+9y=-42 3x+8y=-50 solve using the substitution method.
*Monday, November 9, 2015 by paulette*

**Spanish**

Almost all students in Spanish-speaking schools ______ . a. learn a foreign language*** b. are under 13 years of age c. play at least one sport d. take at least two years of college Just checking my work:) *** - My Answer Thanks, Kaai97
*Monday, November 9, 2015 by Kaai97*

**technical college**

inscribe a circle into the given triangle in which r=75degree, q=45 degree and qr=8.5
*Sunday, November 8, 2015 by oluaser*

**college**

Select the properly punctuated sentence. a. Please let me know; when I may contact you. b. Please let me know, when I may contact you. c. Please let me know when I may contact you.
*Sunday, November 8, 2015 by Ann*

**liberty college**

I am in grade 12 and I have taken History, matches literacy, English language/ literacy,life science, business studies and economics, what course will these subjects allow me take in university? Regards Rita.
*Sunday, November 8, 2015 by Rita Petlane*

**saint Teresa's college nsk .subject: mathematics**

find the 10th term of 8/9,_4/3,2
*Saturday, November 7, 2015 by Raphael*

**St Ann's College (DDL) Enugu**

In A Class Of 60 Students, 30 Offer Physcis And 40 Offer Chemistry, (a)Use Venn Diagram To Represent This Information (b) How Many Students Offer Both Subject
*Saturday, November 7, 2015 by Ikechukwu*

**history**

HOW DOES the number of electoral college votes a presidential candidate has compare to the number of popular votes a presidential candidate has A.)sometimes the electoral college votes do not reflect the popular vote. it's the number of electoral college votes that ...
*Friday, November 6, 2015 by YRN DJ*

**college algebra**

A piece of machinery valued at $30,000 depreciates at a rate of 10% yearly. How long will it take for it to reach a value of $15,000?
*Thursday, November 5, 2015 by Gabriella*

**COLLEGE ALGREBRA**

A horse breeder wants to construct a corral next to a horse barn that is L=20 feet long, using the barn as part of one side of the corral as shown in the figure above. The breeder has 320 feet of fencing available.
*Thursday, November 5, 2015 by Anonymous*

**c$s college**

the first term of an arithmetic progression is 3 and the fifth term is is 9.find the number of terms in the progression if the last term is 81
*Wednesday, November 4, 2015 by Umaru Monsurat*

**College Algerbra**

A student must leave for campus in 10 minutes or he will be late for class. Unfortunately, he is snowed in. He can shovel the driveway in 18 minutes, and his brother claims to be able to do it in 12 minutes. If they shovel together, how long will it take to clear the driveway...
*Monday, November 2, 2015 by Anonymous*

**College Algerbra**

I=N/P+c, solve for P
*Monday, November 2, 2015 by Anonymous*

**College Algerbra**

P=N/1+i is used to determine what amount of principle P should be invested for one year at simple interest rate i in order to have N dollars after a year. Solve the formula for i.
*Monday, November 2, 2015 by Anonymous*

**Word Problem**

Ivanna takes classes at both Westside Community College and Pinewood Community College. At Westside, class fees are $98 per credit hour, and at Pinewood, class fees are $115 per credit hour. Ivanna is taking a combined total of 12 credit hours at the two schools. Suppose that ...
*Sunday, November 1, 2015 by Kaleb*

**city college**

what are the three important formulars for projectile
*Sunday, November 1, 2015 by shady*

**English & Composition! **

This is my conclusion to my surveillance essay. Can someone help me revise this or suggest any changes. I tried to make the conclusion as mature as possible to be a college/ university type of conclusion. Any further suggestions would be much appreciated. *I used "society...
*Saturday, October 31, 2015 by Diana *

**Spanish**

Hi there, I need to answer a few questions and I want to make sure I wrote them out correctly. Can you please check my answers? 1. if you were president, what would be your most important decision Si yo fuera presidente, me gustaría bajar los impuestos 2. Do you work ...
*Saturday, October 31, 2015 by Jenny*

**college physics **

you are driving home from school at 90 km/h. it then began to rain and you slow to 50km/h. your arrive home after driving 3 hours and 20 minutes, how far is your hometown from school? what is the average speed?
*Friday, October 30, 2015 by zain*

**omega int'l college**

x sinx Lim e -e/x-sinx X=0
*Thursday, October 29, 2015 by amit*

**Liberia Christian Community College**

Who is the father of geography
*Thursday, October 29, 2015 by J. Jeremiah Sampson *

**college chemistry**

Describe the preparation of 250cm^3 of 0.05M H2SO4 given the following stock bottle solution. %purity=98 Specific gravity=1.84 Molecular weight=98
*Wednesday, October 28, 2015 by Ezinase*

**Dallas Community College**

A 2.00 kg blob of clay is moving with a velocity of 6.00 m/s at 49.0° when it collides and sticks to a 4.00 kg blob of clay that is moving with a velocity of 5.00 m/s at -123.0°. What is the magnitude and direction of the velocity of the resulting big blob of clay?
*Wednesday, October 28, 2015 by Harry*

**college algebra help********

You intercepted the following message from Boris and Natasha. 25 19 19 30 41 17 15 26 27 41 15 28 18 41 18 29 41 34 22 19 41 27 15 34 22 You do not now the encoding or decoding function but from previous work with Boris and Natasha you know their encoding and decoding ...
*Wednesday, October 28, 2015 by Anonymous*

**San Jose city college**

Suppose a plane flying west a distance of 600 miles take 6 hours .The return trip take 5 hour . Find the airspeed of the plane and the effect wind resistance has on the plane?
*Wednesday, October 28, 2015 by Hung*

**Algebra**

At Phillips college 40% of the students are male. If there are 1200 male students, then how many total students are there?
*Wednesday, October 28, 2015 by Brenda*

**Science college**

An elements X having mass and atomic number A and Z react with neutron to give gamma ray and P with mass and atomic number 1.what is X?
*Tuesday, October 27, 2015 by Bauras*

**College Algebra**

The centripetal force of an object moving around a circle varies directly with the square of the speed and inversely as the radius of the object. Suppose the force is 300 N when the speed is 15 m/s and the radius is 5m. What would the force be if the speed was increased to 20 ...
*Tuesday, October 27, 2015 by Gabriella*

**Harrisburg Area Community College **

find the equation of a rational function that passes through (0,1) and (2,1), has the x axis as a horizontal asymptote, and has two vertical asymptotes at x=3 and x=-3
*Tuesday, October 27, 2015 by Alanna*

**11 Grade College Prep Math-Based Physics**

Not good at physics, so could someone check these practice test questions please? Explanations are appreciated. 1. Which of Newton's Laws says you cannot touch anything without being touched? a) 4th b) 2nd c) 1st d) 3rd *** 2. A 3.00 kg ball is dropped from rest from the ...
*Tuesday, October 27, 2015 by Ana*

**mam college**

find the common ratio of the geometric progression ¼ ½ 1—2
*Tuesday, October 27, 2015 by jabeer*

**math**

7. Professors’ Salaries The average salary for a Queens College full professor is $85,900. If the average salaries are normally distributed with a standard deviation of $11,000, find these probabilities. a. 0.3557 (TI: 0.3547) a. The professor makes more than $90,000. b. ...
*Monday, October 26, 2015 by Alma*

**COLLEGE CALCULUS HELP**

If two resistors with resistances R1 and R2 are connected in parallel, as in the figure below, then the total resistance R, measured in ohms (Ω), is given by 1 R = 1 R1 + 1 R2 . If R1 and R2 are increasing at rates of 0.3 Ω/s and 0.2 Ω/s, respectively, how fast ...
*Monday, October 26, 2015 by Anonymous*

**math**

Bass: The bass in Clear Lake have weights that are normally distributed with a mean of 2.3 pounds and a standard deviation of 0.6 pounds. (a) If you catch one random bass from Clear Lake, find the probability that it weighs less than 1 pound? Round your answer to 4 decimal ...
*Monday, October 26, 2015 by robin*

**College Chemistry**

Suppose 15.0 grams of solid sodium hydroxide solid at 20.5 oC is dropped into 120 grams of water in a container that has a heat capacity of 10.0 J/oC, temperature also 20.5 oC. A solution that has a density of 1.04 g/mL forms at a temperature of 38.0 oC. What is the heat of ...
*Sunday, October 25, 2015 by Matt235*

**math**

one-half of the students in a city school plan to enter liberal arts colleges and one-third of the students plan to go to junior college.The remaining 300 pupils expect to seek permanent employment after graduation.How many students are there in this school?
*Sunday, October 25, 2015 by Linda*

**College Physics**

A student throws a 140 g snowball at 7.5 m/s at the side of the schoolhouse, where it hits and sticks. What is the magnitude of the average force on the wall if the duration of the collision is 0.19 s ?
*Friday, October 23, 2015 by Anonymous*

**Math**

The time needed to complete a final examination in a particular college course is normally distributed with a mean of 83 minutes and a standard deviation of 13 minutes. Answer the following questions. What is the probability of completing the exam in one hour or less (to 4 ...
*Thursday, October 22, 2015 by Kelsey*

**Math**

First year students at a particular college must take one English class, one class in mathematics, a first year seminar, and and elective. There are 2 English class to choose from, 3 mathematicss classes, 5 electives, and everyone takes the same first year seminar. Represent ...
*Thursday, October 22, 2015 by Sierra*

**college algebra**

a cake recipe calls for 1 2/4 cups of sugar. A caterere has 15 1/2 cups of sugar on hand. how many cakes can he make?
*Wednesday, October 21, 2015 by Trina*

**college algebra**

21/3 cups tomato sauce makes dnough sauce for seven people. how much tomato sauce for one serving
*Wednesday, October 21, 2015 by Anonymous*

**college writting two**

Could this be a thesis lower minimum wages are detrimental for disabled and college students.
*Tuesday, October 20, 2015 by Angel*

**Math**

Three fourths of college students use the internet more than the library. Nine hundredths use the library more. How many times more students use the internet?
*Tuesday, October 20, 2015 by Amaru*

**College Physics**

A 1670 kg car rolling on a horizontal surface has a speed of 80 km/hr when it strikes a horizontal coiled spring and is brought to rest in a distance of 6.5 m. What is the spring constant (in N/m) of the spring? (Ignore nonconservative forces such as friction.) Now I've ...
*Tuesday, October 20, 2015 by Keya*

**college**

A tank for storing water is conical in shape, with maximum radius 20 m and maximum depth 15 m. The large, circular end of the tank points vertically upwards and is open to the air. It is known that the volume of water in the tank will decrease at a rate proportional to ...
*Monday, October 19, 2015 by Pankaj*

**College Algebra**

The equationS = 1.3x + 6.4 represents the amount of sales of statin in billions of dollars in 2005. a. According to this equation, people in the U.S spent ---- billion dollars on statins in the year of 2011. b. According to this equation, sales of statin will reach 20.41 ...
*Sunday, October 18, 2015 by Sara*

**College Chemistry**

the acid dissociation constant for acetic acid is 1.85x10^-5. Calculate the pH at the equivalent point and the pH at one-half the equivalence point for the titration of 25.00 mL of 0.100 M acetic acid with 0.100 M NaOH?
*Sunday, October 18, 2015 by Courtney*

**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*