Friday

July 31, 2015

July 31, 2015

**Math Ms Sue**

Which expression would you use to find the area of a rectangle with a width of 4 inches and a length of 6 inches? 4+6 4x6 8x12 8+12 Ms Sue this is Karen you helped in College English so well I am trying to help my 3rd grade granddaughter with no math book just problems
*Wednesday, February 18, 2015 by Adara*

**math/Do not understand**

At a local college,153 of the male students are smokers and 357 are non-smokers. Of the female students,145 are smokers and are 355 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 ...
*Wednesday, February 18, 2015 by mary ann*

**College Algebra**

Flight of a Ball If a ball is thrown upward at 96 feet per second from the top of a building that is 100 feet high, the height of the ball can be modeled by S(t)=100 + 96t -16t^2 feet, where t is the number of seconds after the ball is thrown. How long after the ball is thrown...
*Tuesday, February 17, 2015 by Bridgett*

**College Algebra**

Write an equation that has the given solutions. 0, 2, and 9
*Monday, February 16, 2015 by Monica *

**statistics**

A teacher is interested in finding out how many hours a day a college student at Monroe Community College exercises. The teacher randomly chooses 1000 college students and asks them, “How many hours do you exercise?” Explain whether there could be any bias in the ...
*Sunday, February 15, 2015 by Dana*

**Calculus**

A wealthy patron of a small private college wishes to endow a chair in mathematics with a gift of G thousand dollars. Suppose the mathematician who occupies the chair is to receive $110 thousand dollars per year in salary and benefits. If money costs 8% per year compounded ...
*Friday, February 13, 2015 by C*

**main ideas**

I REALLY NEED HELP WITH THIS!!! Mastery test 3 Mastery test 5 ten steps to improving college reading skills sixth edition by John Langa
*Friday, February 13, 2015 by xt*

**college physics 1**

As part of a fundraiser, the Chancellor has agreed to bungee jump from a crane 45 m above a pool filled with Jello. The plan is for the bungee cord to stop the Chancellor just before his head enters the Jello. Your task is to select a bungee cord that will safely stop the ...
*Thursday, February 12, 2015 by somoan*

**Lusaka business and tecnical college**

A uniform rod AB is 2m Long. The rod, which exerts a downward force of 60N at its center, is placed on a knife edge support positioned 0.8m from A. Determine the vertical downward force required at A to prevent rotation.
*Monday, February 9, 2015 by Isaac*

**College physics**

How much work (kJ) must a car produce to drive 239 miles if an average force of 369 N must be maintained to overcome friction?
*Monday, February 9, 2015 by Jessy*

**College Physics **

A sled at rest is suddenly pulled in three horizontal directions at the same time, but it does not move. Paul pulls to the northeast with a force of 31 lb. Johnny pulls at an angle of 36° south of due west with a force of 52 lb. Connie pulls with a force to be determined. ...
*Monday, February 9, 2015 by Sadarhri *

**college algebra**

Solve the equation with rational exponents. (X-1)^2/3=36
*Sunday, February 8, 2015 by Brittany*

**College Physics**

What is the centripetal force acting on an object with a mass of 20 kg moving at a velocity of 10 m/s in a circle with a diameter of 5 m? When the object is moving with circular motion, are the forces balanced on the object? Why or why not?
*Friday, February 6, 2015 by Nicole*

**College Physics**

A rope can withstand a maximum tension force of 500N before breaking. If we use the rope to pull a 24 kg bucket of water from a well, what is the maximum acceleration upward we can use without breaking the rope?
*Friday, February 6, 2015 by Nicole*

**College Physics**

A 750 kg rocket accelerates straight upward from the ground at 60 m/s2. What is the force (thrust) provided by the engine?
*Friday, February 6, 2015 by Nicole*

**College Physics**

Human nerve impulses travel at about 10 m/s. Estimate the minimum reaction time from the moment you perceive an obstacle in front of your car and the moment that your foot receives the command to press on the brakes. Consider your height as 1.73m. If the car is traveling at ...
*Friday, February 6, 2015 by Nicole*

**College Physics**

Find (a) the magnitude and (b) the direction of the net force on an object given that the following forces act on the object at the same time: 10N east, 20N down, 20N west, 30N down, and 20N up.
*Friday, February 6, 2015 by Nicole*

**college algebra need help asap**

Solve the system of equations using substitution. 2x−8y = 2 x+4y = 0 What is the solution? Select the correct choice below and fill in any answer boxes in your choice. A. m (Type an ordered pair.) B. There are infinitely many solutions. C. There is no solution.
*Thursday, February 5, 2015 by mako*

**college algebra**

A limousine service charges $20 plus $0.50 per mile and a taxicab company charges $1.50 per mile. Write and graph a system of equations for the cost of each ride, find the number of miles for each ride to cost the same, and determine ...
*Thursday, February 5, 2015 by mako*

**College Algebra**

give the domain and the range for the following set of ordered pairs and determine if the ordered pairs represent a function. A) (1,2)(3,4)(5,5)(4,4)(5,4) B) (4,1)(5,1)(6,1)(7,1)(8,1)
*Thursday, February 5, 2015 by meri*

**College Alegbra**

A rectangular room has an area of 400 sq. ft. The length is 7 ft less than twice the width. Find the dimensions of the room.
*Wednesday, February 4, 2015 by Diego*

**College Algebra**

solve for b, A=1/2(a+b)h
*Tuesday, February 3, 2015 by Monica *

**College Algebra**

s=c+rc solve for c
*Tuesday, February 3, 2015 by Monica *

**College Human Geography**

"Why is there inadequate action by the state to curb the violence?" Can someone explain what the question is asking?
*Tuesday, February 3, 2015 by Ana*

**College Algebra**

A grocer mixes peanuts that cost $1.49 per pound and walnuts that cost $2.69 per pound to make 100 pounds of a mixture that costs $2.21 per pound. How much of each kind of nut did the grocer put into the mixture?
*Tuesday, February 3, 2015 by Monica *

**College Algebra**

A person who is 6 feet tall walks away from a 50-foot tower toward the tip of the tower's shadow. At a distance of 32 feet from the tower, the person's shadow begins to emerge beyond the tower's shadow. How much farter must the person walk to be completely out of ...
*Tuesday, February 3, 2015 by Monica *

**College Algebra**

A truck driver traveled at an average speed of 55 miles per hour on a 200-mile trip pick up a load of freight. On the return trip (with the truck fully loaded), the average speed was 40 miles per hour. What was the average speed for the round trip?
*Tuesday, February 3, 2015 by Monica *

**college algebra**

A rectangular auditorium seats 1920 people. The number of seats in each row exceeds the number of rows by 8. Find the number of seats in each row.
*Tuesday, February 3, 2015 by Katlyn*

**College Human Geography**

"What role does race play in the film?" Can someone explain this question?
*Monday, February 2, 2015 by Ana*

**college physics**

two forces act simultaneously on a box. one pulls with a force of 12 pounds due south. the other pulls with a force of 8 pounds in a direction 20 degrees north od east. what is the resultant of these two forces?
*Monday, February 2, 2015 by Kayla*

**Intermediate College Algebra**

The larger of two numbers is ten more than twice the smaller number. The sum of the numbers is forty. Find each number.
*Sunday, February 1, 2015 by Alecia *

**math**

one out of 42 high school ball players plays college ball. one out of 47 college players plays professional ball. what fraction of high school players professional ball?
*Saturday, January 31, 2015 by Anonymous*

**College interview**

Hi! I was just wondering if one of the teachers could tell me whether or not it is unprofessional to wear colored contact lenses to a college interview? The colors aren't drastic colors but they are contact lenses nonetheless. thanks!
*Friday, January 30, 2015 by Mary*

**college Algebra**

ANemployee is paid a base salary of $2,150 a month plus an 8% commission on all sales over $7,000 during the month. How much must he sell in one month to earn a total of $3,120 for the month/
*Friday, January 30, 2015 by Chuck*

**college mathematics 1**

describe the graph of g(x)=f(x)+1 relitave to f(x)
*Thursday, January 29, 2015 by chris*

**college chemistry**

A sample of gas has an initial volume of 5.9L at a pressure of 759mmHg. If the volume of the gas is increased to 8.4L , what will the pressure be?
*Thursday, January 29, 2015 by Daywana*

**College Algebra**

Allison drove home at 65 mph, but her brother Austin, who left at the same time, could drive at only 41 mph. When Allison arrived, Austin still had 144 miles to go. How far did Allison drive?
*Thursday, January 29, 2015 by Sierra*

**personal finance**

As a college senior, Jessica was offered a new credit card that allowed her to take a 10% discount on the first month's purchases. She accepted the offer and made purchases that totaled $156.19. How much did she owe after the discount was deducted from the $156.19?
*Thursday, January 29, 2015 by star*

**college algebra**

x represent the unknown value eight more than one-sixth of a number
*Thursday, January 29, 2015 by Meche*

**EdTech **

1.what contributes to your passive digital footprint? A)entering your address into a website to sign up for a contest B) cookies that track your online habits**** C) uploading a profile picture to a social media site D) posting information on your personal web page 2. Why ...
*Thursday, January 29, 2015 by Ziggy*

**social studies **

Regarding the Electoral College, which of the following statements is false? A. Electors vote on the first Monday after the second Wednesday in December. B. The electoral vote results are transmitted to the Secretary of State. C. The electoral college is located in Washington...
*Thursday, January 29, 2015 by tamijah23*

**college chemistry**

1)what is the final pH of CHECOOH 0.18M ,CHECOONa 0.08M, HNO3 0.08M and NaOH 0.08M ? Ka=1.8^10(-5) 2)what fraction of free edta is in the form )y^4-) at ph=10?
*Tuesday, January 27, 2015 by airam*

**MATH**

Sabah has $450 to pay for college textbooks. She expects to pay about $75 per book. Her friend told her that 4 of them can be checked out of the library for free. Complete the equation below to find the total number of books that Sabah can get for her classes. Use b to ...
*Monday, January 26, 2015 by Anonymous*

**College Algebra**

Find all real numbers x satisfying the equation: 2^x + 3^x - 4^x + 6^x - 9^x = 1. Please help me. I really dont know what to do.
*Monday, January 26, 2015 by Alexandra*

**College Geography**

"The desert was tamed but the price was calamitous, the worst climatic disaster in the history of the Soviet Union." Can someone explain what tamed means in the sentence? This sentence has to do with the Aral Sea.
*Sunday, January 25, 2015 by Ana*

**College Trigonometry**

Eliminate t from the two equations x = vtcos(theta) and y = vtsin(theta) - (gt^2/2) and obtain a relationship between x and y (assume that v, g and theta are constants)
*Sunday, January 25, 2015 by Jhersey*

**College Algebra and Trigonometry**

if x = ucos(pi/4) - vsin(pi/4) and y = usin(pi/4) + vcos(pi/4), find A, B and C so that, 5x^2 - 6xy + 5y^2 = Au^2 + Buv + Cv^2. Thanks, I really dont know what to do, I've already used almost 20 sheets of paper. Please help me. Thanks.
*Sunday, January 25, 2015 by Nicole*

**psychlogical statistics**

A random selection of files from a student counseling center revealed the following reasons why college students seek services: Mental health issues - 25 Learning/school issues - 15 Relationship issues - 5 Other - 5 What is the probability that if we pulled another student ...
*Saturday, January 24, 2015 by theresa*

**College Physics**

Two pucks traveling at each other collide and deflect at 30.0° angles from their original velocities. The mass of Puck B is 20% greater than the mass of Puck A. Before colliding, the pucks approach each other with momenta of equal magnitudes and opposite directions. After ...
*Saturday, January 24, 2015 by Bill Smithers*

**College Physics**

An electron in a television tube travels the 12 cm distance from the grid to the screen at an average speed of 7.00 107m/s. How long does the trip take?
*Saturday, January 24, 2015 by John*

**Education/college **

I had to create some learning goals for a personal Finance course (I am pretending to teach. I have these learning goals that I need to make less ambiguous. Can you help me? Balance a checkbook Understanding the banking process Identify pros and cons of credit cards Assess ...
*Saturday, January 24, 2015 by Cathy*

**accounting,life science and history**

What course can I do in college o university and career job can I persue after I've got my degree
*Saturday, January 24, 2015 by nokuthula molekoa*

**College Algebra**

Let f(x) = (2/4^x + 2) for real numbers x. Evaluate f(1/2001) + f(2/2001) + ... + f(2000/2001).
*Friday, January 23, 2015 by Alec*

**college algebra **

the distance d in feet that an object travels after t seconds is the modeled by the formula d=16t^2, if you drive from a height of 128 feet how long will it take to hit the water?
*Friday, January 23, 2015 by meri*

**college algebra**

If the length of molding to create the frame is 84 inches. If the frame surrounding the picture is 3.5 inches wude and the length is 4 inches longer than the width?
*Friday, January 23, 2015 by meri*

**College Algebra**

Suppose that $6,400 is invested at 0.5% interest, compounded monthly. How much, to the nearest penny, is in the account after 7 years?
*Friday, January 23, 2015 by Liz*

**statistics**

The batting averages of the first three batters in the Eureka College women’s softball team lineup are .310, .301, and .277. If the first three batters are considered as the “lead-off group”, what is the batting average of the group?
*Thursday, January 22, 2015 by patricia*

**College Algebra**

Eliminate t from the two equations x = vtcos(theta) ; y = vtsin(theta)-(gt^2/2) ; and obtain a relationship between x and y (assume that v; g and are constants).
*Thursday, January 22, 2015 by Cheska*

**Social Studies**

1: The government must provide some goods and services because A: they are too expensive for entrepreneurs to provide. B: demand for them is greater than supply. C: private producers have no incentive to do so. D: not many people are interested in buying them. Is the Answer C...
*Wednesday, January 21, 2015 by Anonymous*

**English**

What is the warrant in this article? BOULDER, Colo. — JUST after Christmas, Veronica Rutledge of Blackfoot, Idaho, took her 2-year-old son to a Walmart store to spend holiday gift cards. As they strolled by the electronics section, according to news reports, the toddler ...
*Wednesday, January 21, 2015 by Anonymous*

**English **

What is the claim, warrant, and grounds in this article? Smart Guns Save Lives. So Where Are They? BOULDER, Colo. — JUST after Christmas, Veronica Rutledge of Blackfoot, Idaho, took her 2-year-old son to a Walmart store to spend holiday gift cards. As they strolled by the...
*Wednesday, January 21, 2015 by Anonymous*

**college chemistry **

calculate the average kinetic energies of CH4 and N2 molecules at 273k and 546k
*Tuesday, January 20, 2015 by Ellie *

**Career**

Of the following career paths, which is NOT likely to have an apprenticeship program? Electrician Carpenter Accountant Fire Fighter What is the main difference between a college and a university? Only universities offer 4-year degree programs Only colleges can be public or ...
*Sunday, January 18, 2015 by 2phoneeeeee *

**algebra**

Montgomery College has a 64-piece band and a 35-piece orchestra. If 14 people are members of both the band and the orchestra, can the band and orchestra travel in two 45-passenger buses?
*Sunday, January 18, 2015 by jeanette*

**algebra**

From a survey of 100 college students, a marketing research company found that 70 students owned iPods, 50 owned cars, and 40 owned both cars and iPods. (a) How many students owned either a car or an iPod (but not both)?
*Sunday, January 18, 2015 by jeanette*

**Statistics**

A survey or college students collected information on several variables: distance from home, age, major, gender, and class. The variable major is A) neither categorical nor numerical B) categorical C) quantitative Please help :)
*Sunday, January 18, 2015 by Macy*

**college/education**

I have to answer the following questions and just need help finding the right place to look. Guess I am no posting the questions right because I get stuff that will not help me. 1. Why is it logical to write test items or assessments before producing instructional strategies? ...
*Thursday, January 15, 2015 by Cathy*

**ss**

which of the following are true statements about the qualifications of state legislature? a.senators must be at least 21 years old b.no one without a college degree may be a legislature c.legislatures must be Georgia residents for at least 2 years d.legislatures may serve any ...
*Wednesday, January 14, 2015 by sam*

**Maths**

College Education and Business world success R. H. Bruskin Associates Market Research found that 40% of American do not think that having a college education is important to succeed in the business world. if a random sample of five Americans is selected, find these ...
*Monday, January 12, 2015 by saima*

**chemistry college**

At a constant temperature of 20oC and the partial pressure of 760 mmHg, the solubility of CO2 in water is 0.169g per 100mL. If the partial pressure is changed to 43,000 mmHg, what is the solubility of CO2?
*Sunday, January 11, 2015 by Anonymous*

**college pre-calculus**

4x^2+4y^2-16x-24y+51=0 is the equation of a circle. where is the center of the circle and what is it's radius? A. center (2,3) radius=1/4 B. center (2,3) radius=1/2 C. center (-2,-3) radius=1/4 D. center (-2,-3) radius=1/2
*Sunday, January 11, 2015 by Derek*

**college pre-calculus**

if 1-1/x=2-2/x, then 3-3/x=? A. -3 B. -1/3 C. 0 D. 1/3 E. 3 idek how to do it?
*Sunday, January 11, 2015 by Derek*

**ap college pre-calculus**

if 3abs(x+4)=8, then x=? A. {-10,2} B. {-2,2} C. {-19,11} D. {-22,-14} which one? idek
*Sunday, January 11, 2015 by Derek*

**college pre-calculus**

simplify: (y+1)(y/1-y^2) which answer: A. Y/y-1 B. y/1-y C. y+1/y-1 D. -1 this is what i got y+1/1* Y/1-y^2=-1
*Sunday, January 11, 2015 by Derek*

**college pre-calculus**

simplify: 6-y/6/1/6-1/y 6-y/6*6y/y-6= 6y/6=y Is this correct help i need help!! answers: A. -y B. y C. -6/y D. -1/y which one?
*Sunday, January 11, 2015 by Derek*

**college pre-calculus **

simplify: square root (4/3)-square root (3/4) A. 2-sqaure root(3)/2 square root (3) B. square root (7/12) C. square root (3)/6 D. 2/square root (3) which answer? this is what i got square root (16/12)- square root (9/12)= square root (7/12)
*Sunday, January 11, 2015 by Derek*

**college pre-calculus help**

simplify: 6-y/6/1/6-1/y 6-y/6*6y/y-6= 6y/6=y Is this correct help i need help!!
*Sunday, January 11, 2015 by Derek*

**college chemistry**

what major concepts makes chemistry useful in everday life?
*Saturday, January 10, 2015 by edward*

**U.S History**

1. Which of these was a precedent that George Washington set? (5 points) a)constitutional amendment process b)formal presidential dinners c)singing of the national anthem d)use of a presidential cabinet 2. "The time for the new election of a citizen to be president of the...
*Friday, January 9, 2015 by ~Eun Woo~*

**College Algebra**

According to data from the National Vital Statistics Report, the marriage rate (marriages per 1000) can be described by y=-0.146x+11.074, where x is the number of years after 1980. For what years does this model indicate that the marriage rate was above 9 marriages per 1000? ...
*Thursday, January 8, 2015 by Math Sucks*

**College Algebra**

A pharmacist wants to mix two solutions to obtain 100 cc of a solution that has an 8% concentration of a certain medicine. If one solution has a 10% concentration of the medicine and the second has a 5% concentration, how much od each of these solutions should she mix? I am ...
*Wednesday, January 7, 2015 by Math H of the medcater*

**college chemistry**

a solution of CH4N2O in water has a vapor pressure of 19.6 torr. at 25C. what is the mole fraction of CH4N2O in this solution? HELP ME WATER PURE PRESSURE (P0) IS 23.8 TORR VAPOR PRESSURE IS 19.6 TORR DONT KNOW HOW TO SOLVE IT ? P(SOLUTION)= X (CH4N2O) WATER (PURE PRESSUR
*Tuesday, January 6, 2015 by yeng*

**government**

Some might suggest that the Constitution favoured placing power in the hands of economic elites. Which of the following does NOT fit this argument? A. The Electoral College B. The election of senators C. The Tenth Amendment D. The presidential veto I think D-don't think ...
*Tuesday, January 6, 2015 by Carrie*

**college pre-calculus**

what is the equation of lowest degree with real coefficients if two of its roots are -1 and 1+i? A. x^3+x^2+2=0 B. x^-x^2-2=0 C. x^3-x+2=0 D. x^3-x^2+2=0 e. none of the above i dont get it is it (x+1) (1+i)
*Tuesday, January 6, 2015 by kyle*

**college**

a solution is prepared by mixing 50.0 mL toluene (C6H5CH3 d=0.867 g/mL) with 125 mL Benzene (C6H6 d=0.874 g/mL). assuming that the volumes add upon mixing, calculate the mass percent, mole fraction, molality, and molarity of the toluene.
*Monday, January 5, 2015 by Kyle *

**college chemistry**

a solution is made by dissolving 25 g NaCl in enough water to make 1.0 L solution. Assume that density of the solution is 1.0 g/mL. calculate the mass percent, molarity, molality, and mole fraction of NaCl.
*Monday, January 5, 2015 by Kyle *

**Government**

The cost of the Iraq War, as of June 2009, equals: A. Giving 32 million four-year college scholarships B. enrolling more than 100 children in Head Start programs C. building 5 million new public-housing units D. either A or B is correct The books says that 114 million kids in ...
*Monday, January 5, 2015 by Carrie*

**History **

1.Which of these was a precedent that George Washington set? A. constitutional amendment process B.formal presidential dinners C.singing of the national anthem D.use of a presidential cabinet 2.“The time for a new election of a citizen be president of the United States is...
*Monday, January 5, 2015 by Lizzy*

**College Math**

variance of 30 for a data, what is the standard deviation
*Sunday, December 21, 2014 by Patricia*

**College Math**

numbers given are: 3.5, 2.6, 3, 3.1, 2.6, 2.8, range is 0.9 z-score of 3.1 is Okay I am lost
*Sunday, December 21, 2014 by Patricia*

**College Math**

mean of 21 and standard deviation of 1.2, what is the z-score of 21 No clue how to figure this out
*Sunday, December 21, 2014 by Patricia*

**College Math**

The number of visitors to your business website increased at a rate of 60% per day, going from 30 per day to 30,000 per day. How many days did it take to go from 30 to 30,000 visitors per day? 30,000(1+0.6) but I need to solve for t that's where I get lost.
*Sunday, December 21, 2014 by Patricia*

**staticsits**

65 % college students believe that their online education. give the null hypotheis for testing the claim made by survey what is the null hypothesis
*Thursday, December 18, 2014 by jacqueline *

**Math**

For a college football field with the dimension shown, the angle for kicking a field goal from a ( horizontal) distance of x feet from the goal post is given by∅(x)=tan^(-1)〖(29.25/x〗)-〖tan^(-1) (〗〖10.75/x〗...
*Wednesday, December 17, 2014 by Amna*

**College Math**

Brent invested $5607 in an account at 2% compounded weekly. Calculate the total investment after 7 years. Please show me the steps. I tried using this formula but it did not work. A=P(1+r/n)^6x1
*Tuesday, December 16, 2014 by Pat *

**college student**

Two spheres of mass 2 kg and 3 kg are attached to the ends of a light rigid rod of length 1.0 m. What is the moment of inertia of the system about an axis perpendicular to the rod and (i) passes through the centre of the rod (ii) passes through the 2 kg sphere
*Tuesday, December 16, 2014 by saalim*

**Life Span Development**

Question 1 1-The quality of a children’s attachments has been found to affect a-what children expect social interactions to be like. b-whether children remember positive or negative aspects of events better. c-children’s concepts of themselves. d-all of the above. (I...
*Tuesday, December 16, 2014 by Sharon*

**essex couty college **

translate this sentence into an equation rita's score decreased by 16 is 61
*Monday, December 15, 2014 by rosa arias *

**College math 100**

A midwestern music competition awarded 40 ribbons.The number of blue ribbons awarded was 2 less than the number of white ribbons. The number of red ribbons was 3 more than the white ribbons. How many of each kind of ribbons was awarded?
*Friday, December 12, 2014 by Hicks*

**To Morgan**

Where are you getting all of this stuff? What university/college? Where do the exercises(questions) come from? What sources to you have for study? What percentage are you getting from Jiskha? Thanks. I'm just curious.
*Friday, December 12, 2014 by DrBob222*