Friday

July 29, 2016
**math**

random sample of 9600 students. Multistage design effect similar to an SRS (for those still in school) 46% had at least one parent who was a college graduate. Estimate with 99% confidence the proportion of all students who had at least one parent who was a college grad. b) ...
*Tuesday, April 2, 2013 by Please Help*

**college algebra**

f(x)=√x-2 Find the domain of the function is it x-2 the range of function is it (00,-2) the domain of the inverse is it x>-2 The range of the inverse is it (-2,00) Thanks
*Tuesday, April 2, 2013 by Anonymous*

**college algebra**

How much paper would you need to wrap a box 10cm wide, 25cm high, and 50cm long?
*Tuesday, April 2, 2013 by tom*

**college algebra**

I need help solving this equation. 3√z+1=-3 How do I do this problem? Thanks for your help.
*Monday, April 1, 2013 by Anonymous*

**college math**

An initial investment of $1000 is appreciated for 4 years in an account that earns 6% interest, 2) compounded semiannually. Find the amount of money in the account at the end of the period.
*Sunday, March 31, 2013 by lisa*

**math**

random sample of 9600 students. 46% had at least one parent who was a college graduate. Estimate with 99% confidence the proportion of all students who had at least one parent who was a college grad. b) Sample does not include drop outs so estimate is valid only for students. ...
*Sunday, March 31, 2013 by Sejul*

**College Statistics**

A random variable X has a Gamma distribution with (alpha = a, beta = b). Show that P(X > 2ab) < (2/e)^a. hint: X > c is equivalent to e^Xt > e^ct
*Saturday, March 30, 2013 by Allie*

**statistics**

1. 35% of North Americans do not think that college education is a contributory factor to economic success. A random sample of seven North Americans is selected
*Friday, March 29, 2013 by joanna*

**college physics**

a bus that is traveling at 30.0km/h speeds up at a constant rate of 3.5m/s2. what velocity does it reach 6.8s later?
*Friday, March 29, 2013 by susan*

**college physics**

a bicyclist rides off a flat roof at 13.4m/s, the roof is 3.6m above the ground, how far from the edge of the building does the bicyclist land? round the answer to the nearest meter.
*Friday, March 29, 2013 by susan*

**college physics**

an airplane starts from rest and accelerates at a constant 3.00m/s2 for 30.0s before leaving the ground. a). how far did it move? b). how fast was the airplane going when it took off?
*Friday, March 29, 2013 by sue*

**college physics**

a woman driving at a speed of 23 m/s sees a deer on the road ahead and applies the brakes when she is 210m from the deer. if the deer does not move and the car stops right before it hits the deer, what is the acceleration provided by the car's brakes?
*Friday, March 29, 2013 by sue*

**valencia college**

can 4/5 be the probability of an event
*Friday, March 29, 2013 by joline*

**Statistics**

Hello. I would like to ask a college statistics question. Q. One hundred draws are made at random with replacement from the box [1,2,2,5]. The draws come out as follows:17 [1]'s, 54 [2]'s, 29 [5]'s. Fill in the blanks, using the options below; show work. (a) For ...
*Thursday, March 28, 2013 by Daniel*

**college algebra**

P=t^2-35t+300 the profit made when t units are sold t>0, is given by P=t^2-35t+300. Determine the number units to be sold in order for P<0 (a loss is taken). How do I solve this? Thanks for your help.
*Wednesday, March 27, 2013 by Anonymous*

**college algebra**

Solve the equation. How do you solve a fraction? X^2/3=1/16 Thanks
*Wednesday, March 27, 2013 by Anonymous*

**10 grade algebra**

please help with this problem Your dad is taking Biology as part of the veterinarian program at the local community college. This semester he will spend a total of 40 hours in the biology lab, and he will take notes in class 6 hours per week. Define a variable for the number ...
*Wednesday, March 27, 2013 by mary*

**college algebra**

Solve the equation. How do you solve a fraction? X^2/3=1/16 Thanks
*Wednesday, March 27, 2013 by Anonymous*

**college algebra**

Rational equation -5/x-3 - 3/x+3=2/x^2-9 how do I solve?
*Wednesday, March 27, 2013 by Anonymous*

**Englisj**

1. Which of the following is NOT an example of persuasive writing? a position paper from an elected official a college admissions essay a movie review *a summary of a textbook reading assessment 2. Identify the following as a fact or an opinion: “Video games are too ...
*Wednesday, March 27, 2013 by Jack*

**College algebra**

Use the rationals theorem to find all the zeros of the polynomial function. Use the zeros to factor f over the real numbers, F(x)=7x^3-x^2+7x-1
*Wednesday, March 27, 2013 by Alley*

**College Algebra**

Use the rational zeros theorem to find all the real zeros of the polynomial function. Use the zeros to factor f over the real numbers. f(x)=2x^3-x^2+2x-1
*Wednesday, March 27, 2013 by Chama*

**college algebra**

√3x+7=3x+5 How do I solve when the answer is -1?
*Wednesday, March 27, 2013 by Anonymous*

**algebra 10th grade**

please help with this problem Your dad is taking Biology as part of the veterinarian program at the local community college. This semester he will spend a total of 40 hours in the biology lab, and he will take notes in class 6 hours per week. Define a variable for the number ...
*Tuesday, March 26, 2013 by mary*

**College Algebra! help!**

Form a polynomial f(x) with the real coefficients having the given degree and zeros. Degree 5; Zeros: -4; -i; -2+i f(x)=a( )
*Tuesday, March 26, 2013 by Hailey*

**College Algebra**

Form a polynomial f(x) with real coefficients having the given degree and zeros. Degree 5; Zeros: -3; -i; -6+i F(x)=a ( )
*Tuesday, March 26, 2013 by Chama*

**College algebra**

Form a polynomial f(x) with the real coefficients having the given degree and zeros. Degree 5; Zeros: -3; -i; -6+i f(x)=a( )
*Tuesday, March 26, 2013 by Ashley*

**College algebra**

Use the rationals theorem to find all the zeros of the polynomial function. Use the zeros to factor f over the real numbers. f(x)=x^3-2x^2-13x-10 x=
*Tuesday, March 26, 2013 by Karlee*

**college physics**

A 30.3-kg child starting from rest slides down a water slide with a vertical height of 10.5 m. (Neglect friction.) (a) What is the child's speed halfway down the slide's vertical distance?
*Monday, March 25, 2013 by Anonymous*

**Proctology**

Hi, I am an 11th grade student beginning to look into some college options. I am interested in pursuing a career in proctology and have been reading some preliminary books on the topic. Can anyone recommend a college or pre-med program that would offer a strong proctology ...
*Monday, March 25, 2013 by Greg*

**college algebra**

I'm stuck on 2 problems I know the answers but need to learn to show the work. X^4+x^3=16-8x-6x^2. Answer: -2,1,+-√8 3x^3+4x^2+6=x. (-2,1/3, i√8/3) Please help so I know how to figure these equations out.A big THANKS
*Monday, March 25, 2013 by Anonymous*

**College algebra**

Form a polynomial f(x) with real coefficents having the given degree and zeros degree 5; zeros: 5; -i; -9 +i f(x)=a
*Monday, March 25, 2013 by Jenn*

**College Gen. Math**

There are 6 times as many dimes as quarters, and 6 times more nickels than quarters. If you have $5.70, how much money do you have in quarters?
*Monday, March 25, 2013 by Lorie*

**College Physics**

A child's toy consists of a toy car of mass 0.100kg which is able to roll without friction on the loop-the-loop track shown. The car is accelerated from rest by pushing it with force F over a distance d, then the car slides with a constant velocity until it encounters the ...
*Sunday, March 24, 2013 by C*

**College algebra**

Find the vertical, horizontal, and qblique asymptotes, if any, for the following rational function. T(x)=x^2/x^4-256
*Sunday, March 24, 2013 by Jenn*

**college algebra **

determine the vertical asymptotes of the graph of function.g(x)=x^3 diveded by 5x^3-x^2-22x
*Sunday, March 24, 2013 by Anonymous*

**MA 107 college algebra**

Simplify the expression using the power rule.(3to the power of 2)to the power of 5
*Sunday, March 24, 2013 by tinysong*

**MA 107 college algebra**

Each side of a square is lengthened by 2 inches. The area of this new, larger square is 81 square inches. Find the length of a side of the original square.
*Sunday, March 24, 2013 by tinysong*

**college math **

How many different committees can be formed from 9 teachers and 39 students if the committee consists of 2 teachers and 3 students? In how many ways can the committee of 5 members be selected?
*Sunday, March 24, 2013 by Craig*

**College Algerbra**

Solve the inequality. 0.1(0.1x+0.1) _< -0.8
*Sunday, March 24, 2013 by Eric*

**College Algerbra**

Solve the inequality. - 5x / 7 -2>-1
*Sunday, March 24, 2013 by Eric*

**College Algerbra**

THE TEMPERATURE ON A SUMMER DAY IS // DEGREES FAHRENHEIT.the formula to convert the temperature to degrees Celsius is C = 5/9(F-32) what is the corresponding temperature in degrees Celsius?
*Sunday, March 24, 2013 by Eric*

**math**

Mark averaged 60 miles per hour during the 30-mile trip to college. Because of heavy traffic he was able to average only 40 miles per hour during the return trip. What was Mark's average speed for the round trip?
*Sunday, March 24, 2013 by sam*

**chemistry 2 college**

explain how to find the mass of solute in the solution: 50.0g of solvent in a 10.0% NaCl solution?
*Sunday, March 24, 2013 by deedee*

**college algebra**

A rectangular box with no top is to be constructed from a 10 in. x 10 in square piece of cardboard by cutting equal square of side x from each corner and then bending up the sides. Write the volume of the box as a function of x.
*Saturday, March 23, 2013 by k*

**college algebra**

A rectangular box with no top is to be constructed from a 10 in. x 10 in square piece of cardboard by cutting equal square of side x from each corner and then bending up the sides. Write the volume of the box as a function of x.
*Saturday, March 23, 2013 by k*

**college algebra**

A roll of 640 feet of chicken wire is used to enclose a rectangular vegetable garden.Express the area A of the garden in terms of its length (x)
*Saturday, March 23, 2013 by k*

**college algebra**

A rectangular box with no top is to be constructed from a 10 in. x 10 in square piece of cardboard by cutting equal square of side x from each corner and then bending up the sides. Write the volume of the box as a function of x.
*Saturday, March 23, 2013 by k*

**college algebra**

A roll of 640 feet of chicken wire is used to enclose a rectangular vegetable garden.Express the area A of the garden in terms of its length (x)
*Saturday, March 23, 2013 by k*

**College math**

Rebekah's recipe for 41/2 dozen cookies call for 6 cups of sugar. How many cups of sugar are needed to make 8 dozen cookies?
*Saturday, March 23, 2013 by Anonymous*

**psychology**

2. Last week, Roger suddenly quit his job. He told his family he had decided to learn carpentry. He purchased a truckload of wood and nails, which now sits in his driveway because he changed his mind and decided to enroll in a school for massage therapy. The school confirms ...
*Friday, March 22, 2013 by bookie*

**college**

A solid is known to be either BaCO3 or CaCO3. It is dissolved in 6 M acetic acid. A pale yellow precipitate forms when K2CrO4 solution is added. The subsequent flame test with that precipitate shows an orange-red color. Which cation is present? Briefly explain
*Friday, March 22, 2013 by Anonymous*

**college algebra**

x^3+4x^2-2x-3 ; x+1 factor theorum to decide whether or not second polynomial is a factor of the first.
*Thursday, March 21, 2013 by Anonymous*

**college stats**

iN manoa Valley on the island of Oahu Hawaii the annual rainfall averages 43.6 inches with a standard diviation 7.5 inches. for a given year, find the probability that the annual rainfall will be..(solve for a,b,and c) show work a)more than 53 inches b)less than 28 inches c)...
*Thursday, March 21, 2013 by luvmmmath*

**College Math**

I need help solving these problems by using the substitution problem 2x-3y=16 5x+2y=21
*Wednesday, March 20, 2013 by Cam*

**college- find domain and range**

y= X^2 + X - 500/10 and y is the number of milliliters of fuel consumed per second and X is the speed of the engine in revolutions per minute. If the engine operates between 100 revolutions per minute and 400 revolutions per minute what is the domain and range Is this correct...
*Wednesday, March 20, 2013 by lucky bee*

**college physics**

If the initial tension in the string is (2.10+/- 0.02)N, what is the tension that would double the wave speed?
*Wednesday, March 20, 2013 by Anonymous*

**college chemistry**

for my lab i used 2.0mL of NaOH solution and it doesnt have a density in (g/mL)... is there still a way to calculate the moles to it? unless there is a density to NaOH
*Tuesday, March 19, 2013 by Anonymous*

**English**

Please help with this question that has been bothering me! I take bio college class and we have graduate/student assistant for labs & when taking an exam. The professor is never there during those sections.Due to my low exam results,I feel I'm not being graded on fairly ...
*Tuesday, March 19, 2013 by Leah*

**Arithmetic**

A box in a college bookstore contains books, and each book in the box is a history book, an English book or a science book. If one-third of these books are history books and one-sixth are English books, what fraction of the books are science books? A. 1/3 B. 1/2 C. 2/3 D. 3/4...
*Tuesday, March 19, 2013 by Peltier*

**Arithmetic**

A box in a college bookstore contains books, and each book in the box is a history book, an English book or a science book. If one-third of these books are history books and one-sixth are English books, what fraction of the books are science books?
*Tuesday, March 19, 2013 by Peltier*

**college algebra**

Solve, what is the easiest way to solve this equation? 9x^4+4=13x^2 and x^6-19x^3=216 Thanks, in advance..
*Tuesday, March 19, 2013 by Anonymous*

**college physics**

for the resonance frequencies: fn=nv/2L If the speed (v) doubles my fn will also doubles ? why?
*Monday, March 18, 2013 by Anonymous*

**College Math - Probability**

Briefly summarize the experimental design for deciding whether a proposed treatment should go on for further study. Note where independence came into play. If you were more conservative and reject the treatment only if the probability that it is 30% effective is less than .05 ...
*Monday, March 18, 2013 by Ilya*

**College Mathematics**

Counting principles and permutations. A social security number consists of 9 digits. How many different social security numbers are possible if repetition of digits is permitted. digits 0-9
*Monday, March 18, 2013 by slomomo*

**College Mathematics**

U.S. Presidents. The ages of the 44 presidents at their first inauguration (as of 2011) are: 57 57 49 52 50 42 54 55 64 61 61 64 56 47 51 51 56 46 57 54 50 46 55 56 60 61 54 57 68 48 54 55 55 62 52 47 58 51 65 49 54 51 43 69 a. Construct a frequency distribution with a first ...
*Monday, March 18, 2013 by slomomo*

**College Mathematics**

Counting Principles and Permutation. A social security number consists of 9 digits. How many different social security numbers are possible if repetition of digits is permitted
*Monday, March 18, 2013 by slomomo*

**college physics**

If I travel to Mexico and buy a 55g gold braclet for 20 dollars and take the braclet and submerge it in water starting out with 50cc and after it is submerged in the water it is 52.8cc. What is the buoyant force on the braclet? I also need to know if the braclet is real gold. ...
*Monday, March 18, 2013 by patti*

**college physics**

If a coyote is standing at the top of a 125 m cliff getting ready to drop a 230 kg boulder on a road runner. What is the potential energy of the boulder just as he is ready to drop it? What is the kinetic energy of the boulder at the instant it hits the ground? How fast is the...
*Monday, March 18, 2013 by patti*

**college physics**

If a girl drops a coin into a wishing well. After exactly 5 seconds she hears it splash into the water. How fast was the coin going after 1 second? After 2 seconds? How fast was the coin going when it hit the water? How far down is the water? Could you please help with the ...
*Monday, March 18, 2013 by patti*

**math**

A community college has 2,000 students and 50 instructors. Next year the enrollment will be 6,000. How many new instructors should be hired if the college wants to keep the same studentto instructor ratio?
*Monday, March 18, 2013 by naomie*

**college physics**

if a girl pulls on a 15 kg wagon with a constant horizontal force of 35N.Her friend pushes on the wagon in the same direction with a constant horizontal force of 10 N. and there is a friction force of 15 N. I need to draw a diagram of this problem and calculate the Net Force ...
*Monday, March 18, 2013 by patti*

**college algebra**

I need help bad. Don't know which formula to use. Please explain step by step. 2x^2-12x+19. Find the interval where f is increasing and decreasing.
*Monday, March 18, 2013 by Jackie*

**College Math**

A ice cream shop sells 4 flavors of ice cream, assume that all orders of two scoops are equally likely, what is the probability that in an order of two scoops both are of the same flavor?
*Sunday, March 17, 2013 by Peter*

**College Algebra**

a box with an open top is constructed from a rectangular piece of cardboard with dimensions 14 inches by 18 inches by cutting out and discarding equal squares of side x at each corner and then folding up the sides as in the figure. The cost to create such a box is 2.50 per ...
*Sunday, March 17, 2013 by John*

**College Chemistry/Lab Math**

I think I have this problem figured out correctly, but is there anyone who can tell me if I'm doing something wrong. The question is... "One troy ounce of gold is worth $380. There are 33.8 grams per troy ounce. You have a stock colloidal solution of a very fine gold ...
*Sunday, March 17, 2013 by James*

**math**

From a survey of 100 college students, a marketing research company found that 85 students owned iPods, 45 owned cars, and 35 owned both cars and iPods. (a) How many students owned either a car or an iPod (but not both)? 1 students (b) How many students do not own either a car...
*Sunday, March 17, 2013 by buffy*

**ECONOMICS**

Suppose your college charges you separately for tuition and for room and board. What is a cost of attending college that is not an opportunity cost? What is an explicit opportunity cost of attending college? What is an implicit opportunity cost of attending college?
*Friday, March 15, 2013 by RAJA*

**college physics**

if a 12kg ball rolls down a ramp at 3 m/s and crashes into a pillow and it takes 0.65 s to stop the ball what is the momentum of the ball and the force exerted by the pillow? I would like to know the formula on how to figure this out.
*Friday, March 15, 2013 by patti*

**College algebra**

Given the following quadratic equation find. a) the vertex b) the axis of symmetry c) the intercepts d) the domain e) the range f) the interval where the function is increasing g) the interval where the function is decreasing h) graph the function y= -x^2-6x
*Friday, March 15, 2013 by Anonymous*

**College algebra**

Find the value of f(x) = -3x^2 + 12x-8
*Friday, March 15, 2013 by Sara*

**College algebra**

Determine without graphing, whether the given function has a maximum value and then find the value. f(x)=3x^2+18x-6
*Friday, March 15, 2013 by Jenn*

**College algebra!**

For the linear function f(x) = 5x + 3 (a) Determine the slope and y-intercept (b) Use the slope and y-intercept to graph the linear function. (c) Determine the average rate of change of the function (d) Determine whether the linear function is increasing, decreasing, or constant.
*Friday, March 15, 2013 by Jenn*

**College algebra**

Answer the questions about the following functions. f(x) = 14^2/x^4 + 49 (a) Is the point (-sqrt 7,1) on the graph of f? (b) If x=1, what is f(x)? What point is on the graph of f? (c) If f(x)=1, what is x? what point(s) are on graph of f? (d)What is the domain of f? (e) list ...
*Thursday, March 14, 2013 by Jenn*

**calculus**

A new college textbook edition typically generates most of its sales in the year of its publication. Sales drop off in subsequent years as a result of competition from the used book market. Suppose that the annual sales of a particular textbook may be modeled by S(t) = 30,000 ...
*Thursday, March 14, 2013 by bobbi33*

**calculus**

A new college textbook edition typically generates most of its sales in the year of its publication. Sales drop off in subsequent years as a result of competition from the used book market. Suppose that the annual sales of a particular textbook may be modeled by S(t) = 30,000 ...
*Wednesday, March 13, 2013 by bobbi33*

**can some1 plz recheck my answers**

1. Which of the following is a specific goal? A. I will pass as many of my courses as possible. B. I will finish my college degree. C. I will devote Wednesday this week to work on my English research paper. D. To become a doctor is my goal. is it C 2. Which goal is realistic? ...
*Wednesday, March 13, 2013 by Amy*

**English**

1. Which of the following is a specific goal? A. I will pass as many of my courses as possible. B. I will finish my college degree. C. I will devote Wednesday this week to work on my English research paper. D. To become a doctor is my goal. is it C 2. Which goal is realistic? ...
*Wednesday, March 13, 2013 by Amy*

**College Chemistry**

Calculate activities of Ca2+ and F- and the solubility of fluorite (CaF2) in pure water at 25C without regard to possible hydrolysis. Assume that all activity coefficients are equal to one. Express the solubility of fluorite in terms of mol/L and g/L.
*Wednesday, March 13, 2013 by Ren*

**English**

1. Which of the following is a specific goal? A. I will pass as many of my courses as possible. B. I will finish my college degree. C. I will devote Wednesday this week to work on my English research paper. D. To become a doctor is my goal. is it C 2. Which goal is realistic? ...
*Wednesday, March 13, 2013 by Amy*

**College physics**

A toroidal solenoid has a mean radius of 8.00cm and a cross-sectional area of 4.80cm^2 and is wound uniformly with 90.0 turns. A second coil with 500 turns is wound uniformly on top of the first What is the mutual inductance of these coils?
*Wednesday, March 13, 2013 by Anonymous*

**College Physics**

A 22 μF capacitor and a 5.20 mH inductor are connected in series with an open switch. The capacitor is initially charged to 6.70 μC. What is the angular frequency of the charge oscillations in the capacitor after the switch is closed? W = _____ rad/s
*Wednesday, March 13, 2013 by Anonymous*

**calculus**

A new college textbook edition typically generates most of its sales in the year of its publication. Sales drop off in subsequent years as a result of competition from the used book market. Suppose that the annual sales of a particular textbook may be modeled by S(t) = 30,000 ...
*Wednesday, March 13, 2013 by bobbi33*

**English**

I split this sentence into 2 parts is the colon use correct between football and There's? I love college football: There’s nothing like the sound of a fully packed stadium.
*Wednesday, March 13, 2013 by Bernie*

**College Chemistry**

2NO(g)+O2(g)<->2NO2(g) has KP = 2.77 × 1011 at 25 °C. Suppose a mixture of the reactants is prepared at 25 °C by transferring 0.943 g of NO and 589 mL of O2 measured at 30.7 °C and 829 torr into a 1 L vessel. When the mixture comes to equilibrium, what ...
*Tuesday, March 12, 2013 by Peter*

**College Mathematics**

This is a repost. I posted a question 2 days ago and the response was wrong. The question was on Probability. The question was One card is selected from a deck of playing cards. Determine the probability of selecting a jack OR a club. use this rule P(A or B) = P(A) + P(B) - P(...
*Tuesday, March 12, 2013 by slomomo*

**College Mathematics**

Probability. Select one card. One card is selected from a deck of playing cards. Determine the Probability of selecting a Jack OR a club. P(AorB)= P(A) + P(B) - P(A and B)
*Tuesday, March 12, 2013 by slomomo*

**College Math**

Find the area of a triangular piece of carpet that has a 12-inch base and is 18 inches high.
*Monday, March 11, 2013 by Linda*

**valculus**

A new college textbook edition typically generates most of its sales in the year of its publication. Sales drop off in subsequent years as a result of competition from the used book market. Suppose that the annual sales of a particular textbook may be modeled by S(t) = 30,000 ...
*Monday, March 11, 2013 by clerkbob*

**English**

i have a hard time calculating my grade & am in college. Please tell me the grade I have so far & will have, thank you!365 points in the course is needed. Lecture exams and quizzes are worth about 60% of the total grade &90 ≤ A 80 ≤ B < 90 70 ≤ C < 80 ...
*Monday, March 11, 2013 by jessica*