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October 21, 2014

Homework Help: College

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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 at 5:09pm

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 at 4:45pm

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 at 3:50pm

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 at 3:05pm

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 at 5:29pm

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 at 5:29pm

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 at 5:28pm

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 at 5:26pm

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 at 5:25pm

valencia college
can 4/5 be the probability of an event
Friday, March 29, 2013 at 3:35pm

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 at 4:56pm

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 at 7:49pm

college algebra
Solve the equation. How do you solve a fraction? X^2/3=1/16 Thanks
Wednesday, March 27, 2013 at 7:25pm

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 at 7:06pm

college algebra
Solve the equation. How do you solve a fraction? X^2/3=1/16 Thanks
Wednesday, March 27, 2013 at 6:21pm

college algebra
Rational equation -5/x-3 - 3/x+3=2/x^2-9 how do I solve?
Wednesday, March 27, 2013 at 4:14pm

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 at 1:47pm

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 at 12:23pm

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 at 8:15am

college algebra
√3x+7=3x+5 How do I solve when the answer is -1?
Wednesday, March 27, 2013 at 1:03am

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 at 8:41pm

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 at 8:23pm

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 at 7:14pm

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 at 6:42pm

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 at 5:07pm

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 at 10:54pm

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 at 8:53pm

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 at 7:53pm

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 at 1:49pm

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 at 12:06pm

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 at 10:36pm

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 at 9:34pm

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 at 8:22pm

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 at 7:38pm

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 at 7:34pm

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 at 4:54pm

College Algerbra
Solve the inequality. 0.1(0.1x+0.1) _< -0.8
Sunday, March 24, 2013 at 3:24pm

College Algerbra
Solve the inequality. - 5x / 7 -2>-1
Sunday, March 24, 2013 at 3:20pm

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 at 3:10pm

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 at 2:37pm

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 at 12:25pm

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 at 6:00pm

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 at 5:31pm

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 at 5:19pm

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 at 4:58pm

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 at 4:42pm

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 at 4:23pm

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 at 9:21am

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 at 12:28am

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 at 8:01am

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 at 12:49am

College Math
I need help solving these problems by using the substitution problem 2x-3y=16 5x+2y=21
Wednesday, March 20, 2013 at 11:28am

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 at 11:12am

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 at 1:28am

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 at 9:33pm

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 at 8:36pm

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 at 10:24am

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 at 10:23am

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 at 12:08am

college physics
for the resonance frequencies: fn=nv/2L If the speed (v) doubles my fn will also doubles ? why?
Monday, March 18, 2013 at 10:03pm

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 at 7:56pm

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 at 2:09pm

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 at 2:04pm

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 at 1:26pm

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 at 1:07pm

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 at 12:54pm

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 at 12:46pm

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 at 12:39pm

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 at 12:39pm

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 at 2:04am

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 at 10:49pm

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 at 6:37pm

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 at 1:46pm

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 at 12:35pm

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 at 11:44pm

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 at 7:12pm

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 at 5:45pm

College algebra
Find the value of f(x) = -3x^2 + 12x-8
Friday, March 15, 2013 at 2:41pm

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 at 11:21am

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 at 10:41am

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 at 11:05pm

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 at 12:17pm

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 at 9:32pm

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 at 4:18pm

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 at 4:04pm

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 at 3:44pm

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 at 3:40pm

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 at 3:26pm

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 at 3:09pm

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 at 12:32pm

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 at 12:02pm

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 at 9:55pm

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 at 1:10pm

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 at 11:04am

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 at 3:59pm

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 at 3:09pm

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 at 12:50pm

College Mathematics
(odds) Playing Bingo:When playing bingo, 75 balls are placed in a bin and balls are selected at random. Each ball is marked with a letter and a number as indicated in the following chart: B: 1-15 I: 16-30 N:31-45 G:46-60 O:61-75. For example there are balls marked B1,B2 up to ...
Monday, March 11, 2013 at 12:10am

College Mathematics
Probability: "or" and "and" problem. Select one card, one card is selected from a deck of playing cards. Determine the probability of selecting a jack or a club.
Sunday, March 10, 2013 at 11:37pm

college general chemistry
3Co(NO 3 ) 2 (aq) + 2Na 3 PO 4 (aq) &---> Co 3 (PO 4 ) 2 (s) + 6NaNO 3 (aq) how do I find the molar mass of precipitate.X hydrate
Sunday, March 10, 2013 at 1:48pm

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