Saturday

December 20, 2014

December 20, 2014

Number of results: 103,436

**math**

Urban Community College is planning to offer courses in Finite Math, Applied Calculus, and Computer Methods. Each section of Finite Math has 40 students and earns the college $40,000 in revenue. Each section of Applied Calculus has 40 students and earns the college $60,000, ...
*October 16, 2010 by liz*

**college finite math**

Find the marginal average cost function: C(x)=10-e^-x
*November 18, 2012 by Jenny*

**math**

If A is a finite set and B is a proper subset of A, prove that |B| < |A|. Hint: B is finite. What is the union of the disjoint sets B and A - B? Note: |A| = size of A
*April 10, 2007 by sara*

**College Finite Math**

Involving a true-false test. Assume that 8 questions are answered by guessing. What is the probability of at least 6 correct answers? I know this a Burnoulli Trial problem and that N=8 and p=.5 and q=.5 I just don't know where to go from there.
*April 9, 2009 by Taymor*

**math**

Prove that the union of two finite sets is finite. Hint: A U B = (A - B) U (B - A) U (A ∩ B) where U = union and ∩ = intersection
*April 10, 2007 by sara*

**college Finite**

Find the probability of at least 3 successes and at least 2 failures. N(trials)=10 and p=3/10
*October 10, 2010 by Fiona*

**Math (polynomial functions)**

Hi there, Can someone please help me understand the relationship between the FINITE DIFFERENCE and leading coefficient in a polynomial? I need to be able to determine the leading coefficient from a finite difference.
*May 10, 2008 by Rumer*

**Dr.Bob**

Please explain your convaluted answer? There is a finite answer. If you care to not give the finite querys answer,Don't reply
*September 25, 2010 by kary*

**math**

Resource allocation podunk institute of technologys math deaprtment offers two cources: finite math and applied calculus.each section of finite math has 60 studnets, and each section of applied calculus has 50. The department is allowed to offer a total of up to 110 sections...
*November 29, 2013 by Swayne*

**Math Finite**

College students were polled about favorite types of food. 50% liked pizza, 40% liked hamburgers, and 20% liked both. What percent liked pizza OR hamburgers?
*December 8, 2010 by Erkaluv*

**Finite: College Math**

A student wants to buy 3 CDs, but assume that there are 6 CDs featuring the piano, 4 CDs featuring the trumpet, and 7 CDs featuring the saxophone. In how many ways can the selection be made if CD's featuring at least 2 different instruments are selected?
*January 20, 2012 by Laura*

**College Finite Math**

Suppose for this problem that Pr[E]=13/24 and Pr[F]=5/8 and Pr[(E U F)'] = 0. Finding Pr[E/F] and Pr[F/E]. For this problem I added 13/24 + 5/8 and got 1.17, therefore, I assumed that .17 is the intersection between Pr(E) and Pr(F). I know that to solve these problems I have ...
*March 16, 2009 by Rory*

**college finite math**

Cowling's Rule is a method for calculating pediatric drug dosages. If a denotes the adult dosage (in milligrams) and if t is the child's age (in years), then the child's dosage is given by D(t) = (t + 1/24)a (a) Show that D is a linear function of t. Hint: Think of D(t) as ...
*January 19, 2014 by Dee*

**college finite math**

Cowling's Rule is a method for calculating pediatric drug dosages. If a denotes the adult dosage (in milligrams) and if t is the child's age (in years), then the child's dosage is given by D(t) = (t + 1/24)a (a) Show that D is a linear function of t. Hint: Think of D(t) as ...
*January 19, 2014 by Dee*

**calculus**

what is the property that distinguishes finite sets from infinite sets (give examples of each to accompany explaination). finite sets are countable. Infinite sets are not. so what would be an example of an infinite set? one that never ends? yes. 1,2,3,4,... is an infinite set...
*March 27, 2007 by Anonymous*

**calculus/finite**

I am taking an online finite math class, so I dont have an instuctor to sit down with me and help me. The text book is so hard to follow. One of the problems I have having a hard time with gives an initial tableau and asks us to use the simplex method to solve each ...
*December 6, 2009 by Amanda*

**College Finite**

Assume that the student has a cup with 13 writing implements: 7 pencils, 4 ball point pens, and 2 felt-tip pens. In how many ways can the selection be made if no more than one ball point pen is selected?
*September 6, 2012 by Devin*

**physics :thinking check please**

I think that: psi= A sin kx; is a solution to Schrodinger's time independent eqn for a particle confined: a) within an infinite pot well, and b) within the walls of a finite well;but psi= B exp(-kx) would only be a solution for outside the walls of a finite well. Am I close? ...
*April 30, 2009 by charlie*

**Finite Math**

A {r,u,v,y} B {r,v,w,x} C {r,u,w,z} t and s are on the outsides. (a) (A B) Cc (b) (A B C)c
*May 7, 2011 by Dee*

**finite math**

does 4/2x + 3 define y as a function of x?
*November 19, 2008 by dessy*

** finite math**

Maximize z= 5x + 5y Subject to 3x + 2y < 6 -x + 2y < 4 x,y >0
*April 7, 2012 by tinkle*

**Finite Math**

True or false. [A (B C)]c = (A B)c (A C)c
*August 3, 2013 by keith*

**College Finite**

A student wants to buy 3 CDs, but assume that there are 3 CDs featuring the piano, 5 CDs featuring the trumpet, and 3 CDs featuring the saxophone. In how many ways can the selection be made if CD's featuring at least 2 different instruments are selected?
*January 23, 2013 by Emily*

**math**

What is a finite, infinite and an empty number?
*September 25, 2007 by Pat*

**finite math**

find the x and y-intercepts of the function y=x+32
*July 6, 2008 by freedom*

**finite math**

find the y-intercept of the function y=2x-8
*July 6, 2008 by freedom*

**finite math**

find the equation of the line 0.3,0.4 0.4,0.3 0.1,0.2 0.3,0.1
*March 5, 2009 by Princess*

**Finite Math**

Determine the 5th term of (2x+3y)^12
*May 6, 2012 by MV*

**finite math**

Suppose that E and F are two events P(E and F)=0.1 and P(E)=0.5. what is P(F/E)?
*June 17, 2014 by carol*

**finite math**

Suppose that E and F are two events P(E and F)=0.1 and P(E)=0.4 what is P(F/E)?
*June 17, 2014 by carol*

**finite math**

find he inverse of matrix A and verify A= 1 -1 2 2 -3 -5 -1 3 5
*June 27, 2009 by crystal*

**Finite Math**

1. Find the inverse of the following matrix: [ 1 0 1 ] [ 2 -2 -1 ] [ 3 0 0 ]
*July 23, 2009 by Mike*

**Finite Math**

Solve the matrix equation AX =B for X using A=[2-3] [1 5] B=[4 ] [2 ]
*July 23, 2009 by Mike*

**Finite Math**

True or false. P (n, r) = r! C (n, r). explain why please, thanks
*August 3, 2013 by Keith*

**finite math**

Find the probability of P(E or F) if E and F are mutually exclusive P(E)=0.25 and P(F)=0.47
*June 17, 2014 by carol*

**college finite math**

A division of a company produces "Personal Income Tax" diaries. Each diary sells for $6. The monthly fixed costs incurred by the division are $30,000, and the variable cost of producing each diary is $1. (a) Find the break-even point for the division. (x, y) = (6000, 36000) (b...
*January 19, 2014 by Dee*

**Finite Math**

Find the slope of a line through the points (11,-2) and the origin.
*July 23, 2009 by Mike*

**Finite Math**

Pivot the system about the element in row 2, column 1. [3 3| 2] [9 4| 1]
*September 15, 2011 by Dee*

**Finite Math**

Sinking fund which the goal of $100,000 to reach with n=22, i= 0. 03
*February 7, 2012 by Ashley*

**Finite Math**

How long will it take $800 to earn $18 at 6% simple interest?
*February 17, 2013 by Matt*

**finite math**

how do I work this problem simple intrest I=Prt P= $54 r=4% and t=9months
*June 22, 2014 by carol*

**MATH**

I have been trying to do this problem for a couple of days but i cant seem to get the answer. Any help would be greatly appreciated. For each of the following forms determine whether the following limit type is indeterminate, always has a fixed finite value, or never has a ...
*April 16, 2012 by bobby*

**math,help,bobpursly**

What are some challenges for rational expressions? Also on my previous question about why are polynomials important bobpursly can you expalin it to me towards what you ment about your responce because i still do not undertand...thanks when you get a chance. Polynomials are ...
*March 5, 2007 by jas20*

**finite math**

solve the system of equation for all variables using a matix x-y-z=1 2x-3y+z=10 x+y-2z=0
*June 26, 2009 by crystal*

**Finite Math **

A coin is tossed 10 times. What is the probability that at least 8 heads appear?
*March 19, 2012 by MECCA *

**Finite Math**

Let A,B be events in a sample space. you are given the following probabilities: P(A)=0.8, P(B|A)=0.3, P(B|A^c)=0.8 Find: 1) P(B) 2) P(A|B) 3) P(A^c|B^c)
*July 23, 2012 by Preet*

**Physics...help please!**

A body of mass m moves in the +x direction, subject only to drag force: Fx= (-1/2)(CD*rhoair*S*vx^2) With drag coefficient CD, air density rho air, cross sectional area S, and velocity component vx. At time t=0 the body is at postion x=0 and has velocity of vx=v0 where v0 is ...
*March 7, 2011 by Roberto*

**Physics...help please!**

A body of mass m moves in the +x direction, subject only to drag force: Fx= (-1/2)(CD*rhoair*S*vx^2) With drag coefficient CD, air density rho air, cross sectional area S, and velocity component vx. At time t=0 the body is at postion x=0 and has velocity of vx=v0 where v0 is ...
*March 7, 2011 by Roberto*

**Finite Math**

Solve the matrix equation AX =B for X using: A= [ 2 -3] B= [4 ] [ 1 5] [2 ] (theres a blank space between the 4 and the 2)
*July 23, 2009 by Mike*

**Finite Math**

Consider an experiment with five possible outcomes, labeled as a,b,c,d and e. Give P(a)=P(b)=0.2, P(c)=0.25, P(d)=0.1 and let event H={a,b,c}, K={b,c,d} Find: 1) P(H|K) 2) P(H|K^c) 3) P(K|H)
*July 23, 2012 by Jessica*

**math**

A community college has 3,000 students and 90 instructors. The college plans that enrollment will be 3,500 next year. How many new instructors should be hired if the college wants to keep the same student to instructor ratio?
*November 11, 2009 by s*

**math**

A community college has 3,000 students and 90 instructors. The college plans that enrollment will be 3,500 next year. How many new instructors should be hired if the college wants to keep the same student to instructor ratio?
*November 25, 2009 by tara*

**Math**

A community college has 3,000 students and 90 instructors. The college plans that enrollment will be 3,500 next year. How many new instructors should be hired if the college wants to keep the same student to instructor ratio?
*September 5, 2010 by Diane*

**math 214**

Henry claims that a line segment has a finite number of points because it has two endpoints. How do you respond?
*February 16, 2010 by alicia *

**finite math**

using continous compound interest formula to find the indicated value A= 99000 P= 72466 R= 7.8% T= ?
*June 23, 2014 by carol*

**Math**

23 college sophomores at Crocodile Community College, 12 preferred pepperoni pizza, 7 preferred supreme, and 4 preferred cheese. If we picked a college sophomore at Crocodile Community College at random, what is the probability that he or she would prefer supreme? Give ...
*July 22, 2011 by Jen*

**finite math**

What is the present value of an ordinary annuity which has payments of $1100 per year for 19 years at 5% compounded annually.
*April 2, 2013 by Debra *

**8th grade math**

Henry claims that a line segment has a finite number of points because it has two endpoints. How do you respond?
*September 11, 2014 by Enis*

**college finite math**

A product may be made using Machine I or Machine II. The manufacturer estimates that the monthly fixed costs of using Machine I are $17,000, whereas the monthly fixed costs of using Machine II are $14,000. The variable costs of manufacturing 1 unit of the product using Machine...
*January 19, 2014 by Dee*

**Finite Math**

Find (a) the final amounts and (b) the total interest earned on the original investment. 1. $4500 is invested at 7.5% compounded annually for 6 years.
*February 17, 2013 by Matt*

**Finite Math**

Determine the amount of the ordinary annuities at the end of the given periods. $200 deposited monthly at 1% per month for 20 months.
*February 18, 2013 by Matt*

**smallest algebra**

Let F be a family of subsets of a set X such that empty set is the element of F. A subset A of X belongs to F1 if and only if either A is a subset of F or complement of A is the subset of F. A subset B of X belongs to F2 if and only if B is a finite intersection of sets in F1...
*January 15, 2009 by sxxx123456*

**Math Finite**

2. How much should be deposited now at 9% compounded semiannually to make possible withdrawals of $13,000 every 6 months for the next 12 years
*March 18, 2011 by Phan*

**finite math**

SYGYZY BEEKEEPER RAZZMATAZZ LILOYPILLY QUINQUENNIUN WHIPPERSNAPPER NONANNOUNCEMENT STRAWBERRYRASPBERRY How many ways indistinhuishable arrangements can be made of the above letters?
*August 8, 2012 by jon*

**Math Finite**

How many years will it take for $12,000 to grow to $15,000 at 5.75% compounded monthly?
*December 8, 2010 by Ericka*

**Finite MAth**

Assume that the set S has 7 elements. How many subsets of S have at most 3 elements
*January 26, 2012 by Bryan*

**Finite Math**

Determine which is the better investment. 6.8% compounded semiannually or 6.6% compounded quarterly?
*February 18, 2013 by Matt*

**Finite Math**

If A = (aij ) is a matrix of size 2x3, and if aij = 2i- 3j for all i and j write down A.
*March 21, 2010 by Bryce*

**Finite Math**

If A = (aij ) is a matrix of size 2x3, and if aij = 2i- 3j for all i and j write down A.
*March 21, 2010 by Bryce*

**FInite Math**

-.30x+.20y +.25z =0 .20x -.40y +.05z =0 .10x +.20y -.30z =0 x=? y=? z=?
*February 20, 2012 by Exhausted*

**FInite Math**

-.30x+.20y +.25z =0 .20x -.40y +.05z =0 .10x +.20y -.30z =0 x=? y=? z=?
*February 20, 2012 by Exhausted*

**finite math **

for the previous ? it as to be set up in five steps I just can't figure out how to set it up to get the answers
*September 22, 2012 by cheryl*

**Math/Algebra**

If the first term of a finite geometric sequence is .4 and its ratio is .3 what is the sum of the first 5 terms?
*October 29, 2012 by Libby*

**College Finite**

Assume that you have a total of 9 people on the committee: 2 black males, 1 black female, 1 white male, and 5 white females. Party rules require that at least one black and at least one female hold one of the three offices. In how many ways can the officers be chosen while ...
*January 23, 2013 by Emily*

**Finite Math**

Assume that you randomly select 8 cards from a deck of 52. What is the probability that all of the cards selected are hearts?
*February 15, 2012 by Rachel*

**Finite Math**

Kathy borrowed $800 at 6% interest. The amount of interest paid was $144. What was the length of the loan?
*February 17, 2013 by Matt*

**finite math**

If the population of the country is growing 3.7% compounded contionously. Quaterly. how long will it take the population to triple
*June 23, 2014 by carol*

**finite math**

what is the cost to install new carpet in an 15' by 21' room if the price of the carpet including installation is $14.50 a square yard?
*March 14, 2012 by rita*

**Finite Math**

A pair of dice is cast. What is the probability that the sum of the numbers landing upwards is 8 if it is known that the two numbers are different?
*March 19, 2012 by Anonymous*

**Business math/Finite**

How long to the nearest year, will it take an investment to double if it is continuously compounded at 4% per year
*November 28, 2012 by Karla*

**finite math**

Suppose a coin is tossed 100 times 57 heads and 43 tails what is the probability the next one will be heads.
*June 17, 2014 by carol*

**Math Finite**

A two card hand is dealt from a standard deck. What is the probability of drawing at least one face card?
*December 9, 2010 by Ericka*

**Math**

The combined math and verbal scores for students taking a national standardized examination for college admission, is normally distributed with a mean of 620 and a standard deviation of 220. If a college requires a student to be in the top 10 % of students taking this test, ...
*February 9, 2014 by Ashley*

**Math-Statistics**

A marketing research company needs to estimate which of two soft drinks college students prefer. A random sample of n college students produced the following 98% confidence interval for the proportion of college students who prefer drink A: (0.384, 0.424). Identify the point ...
*November 28, 2009 by Ashley*

**College Help**

I'm going to college this September, and would like to know of any good web sites for beginning college students.
*July 28, 2008 by Sally*

**misc.**

if something says your pursuing a college degree does that mean your in college are are planning in the future to go to college?
*May 27, 2011 by Sara*

**Finite Math**

An NBA player makes a successful free-throw 80% of the time. Find the probability that he is successful exactly 4 times in 5 attempts?
*October 17, 2012 by Cindy*

**Finite Math**

What interest rate, compounded monthly, would you need to be paid in order to grow a $2000 investment into $3500 over a five year period?
*December 7, 2010 by Ericka*

**Finite Math**

What interest rate, compounded weekly, would you need to be paid in order to grow an $8000 investment into $12,000 over a ten year period?
*December 7, 2010 by Ericka*

**Finite Math**

The purchases made by customers at a convenience store are normally distributed, with a mean of $5.50 and a standard deviation of $3.50. What is the probability that a randomly chosen customer makes a purchase between $2.00 and $9.00?
*March 9, 2014 by Tanisha *

**finite math**

three cards are randomly drawn without replacement from a standard deck of 52 cards. What is the probability of drawing an ace on the third draw?
*November 13, 2012 by ryan*

**finite math**

three cards are randomly drawn without replacement from a standard deck of 52 cards. What is the probability of drawing an ace on the third draw?
*November 13, 2012 by ryan*

**finite math**

using the formula for present value of ordinary annuity or the amortization formula to solve this problem. PV=13000 I= .015 PMT=550 n?
*June 23, 2014 by carol*

**Finite Math (college)**

EventProbability Too much enamel0.27 Too little enamel0.2 Uneven application0.35 No defects noted0.43 (1) What is the probability of a paint defect? (2) What is the probability of a paint defect which includes an improper amount of paint? (3) What is the probability of a paint...
*September 17, 2012 by Jarrod*

**Math**

i go to college and it take 40 to 45 gallon every monthto go to college, some time cost of the gallon varies 2.96 to 3.61 /gallon . what would be my weakly cost to drive college. please answer . i come up with 21 dolor.Am i right or miss some thing .
*December 1, 2011 by hiba*

**Finite Math**

A bank deposit paying simple interest at the rate of 8% per year grew to a sum of $1200 in 10 months. Find the principal. (Round your answer to the nearest cent.)
*May 7, 2011 by Dee*

**Finite Math**

Find the effective rate corresponding to the given nominal rate. (Round your answer to two decimal places.) 11%/year compounded semiannually
*May 6, 2011 by Dee*

**finite math**

suppose that 3 digits are selected at random from the set S={1,2,3,4,5,6} and are arranged in random order. Find the probability that the resulting 3-digit number is less than 300.
*September 4, 2012 by allen*

**finite math**

Okay,so: Assume that there are 8 unfilled roles: 3 male and 5 female. There are 5 men and 6 women, including Sally, auditioning for a part in the play. How many of these casts include Sally?
*September 5, 2012 by Tyler*

**Finite Math**

The amount (future value) of an ordinary annuity is given. Find the periodic payments. A = $2500, and the annuity earns 6.5% compounded annually for 4 years.
*February 18, 2013 by Matt*

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