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March 6, 2015

March 6, 2015

Post a New Question | Current Questions

**college algebra**

use the properties of logarithms to find the exact value of the expression loglower 3^18 - log lower3^6 **how do I make the three lower in the log equation?
*Tuesday, November 27, 2012 at 11:41pm*

**college algebra**

solve the following exponential equation. 7^x=8 a. x= Write in exact solution b. then with that answer move the decimal 3 points over
*Tuesday, November 27, 2012 at 11:21pm*

**college algebra, Please help!!**

solve the following logarithmic equation 2log2(lower than g)^(x-2)+log2^2=3 x=?
*Tuesday, November 27, 2012 at 11:00pm*

**College Physics**

A satellite in an elliptical orbit has a speed of 9.00km/s when it is at its closes approach to the Earth(perigee). The satellite is 7.00x10^6 m from the center of the Earth at this time. When the satellite is at its greatest distance from the center of the Earth (apogee), its...
*Tuesday, November 27, 2012 at 10:51pm*

**college algebra, Please help!!**

change the exponential expression to an equivalent expression involving a logarithm. 1.9=a^6 a=1.1129 is this the correct logarithmic expression???
*Tuesday, November 27, 2012 at 10:29pm*

**college algebra, Please help!!**

find the f and g, so that fOg= H H(x)=sqrt x^2+17 please show work
*Tuesday, November 27, 2012 at 9:57pm*

**College Physics**

A satellite in an elliptical orbit has a speed of 9.00km/s when it is at its closes approach to the Earth(perigee). The satellite is 7.00x10^6 m from the center of the Earth at this time. When the satellite is at its greatest distance from the center of the Earth (apogee), its...
*Tuesday, November 27, 2012 at 8:50pm*

**College Physics**

Suppose a planet is discovered that has the same total mass as the Earth, but half its radius. Calculate the acceleration due to gravity on the surface of this planet.
*Tuesday, November 27, 2012 at 7:28pm*

**College Chem 1**

a chemistry handbook lists the solubility of NaI as 184 per 100mL of H2O at 25 degrees Celcius. 1) How many moles of NaI can be dissolved in 100mL of H2O at 25 degrees Celcius? 2) What would be the molarity of a saturated aqueous solution of NaI prepared at 25 degrees Celcius...
*Tuesday, November 27, 2012 at 2:10pm*

**college course**

•unscramble letters for phrases - I / _ _ _ _ _ / _ _ _ _ / _ _ / / _ _ _ _ / a / _ _ _ _ _ / I / _ _ _ / but/ _ _ _ _/ _ _ _ _ _/ _ _ e_ _ / the / _ _ _ e_/. One sentence. this is what they have given me already and said I can use only these letters but can use more than...
*Tuesday, November 27, 2012 at 11:36am*

**time value**

For the last 19 years, Mary has been depositing $500 in her savings account , which has earned 5% per year, compounded annually and is expected to continue paying that amount. Mary will make one more $500 deposit one year from today. If Mary closes the account right after she ...
*Monday, November 26, 2012 at 10:06pm*

**college algbra**

find the domain f(x)=x/x-8,g(x)=-7/x solve the following exponential equation equation exact answers only 3e x-1 = 2+e^x-1
*Monday, November 26, 2012 at 7:45pm*

**College International Affairs**

How did the US affect the dissolution of the Soviet Union? What was the US/ Soviet Union relationship at the time period?
*Monday, November 26, 2012 at 1:35pm*

**Math**

37% of college students say they use credit cards because of the rewards program. You randomly select 10 college kids and ask each to name the reason he or she uses credit cards. Find the probability that the number of college students who say they use credit cards because of ...
*Sunday, November 25, 2012 at 9:04pm*

**math**

Maggie is driving home from college. She drives at a constant speed for 2 hours and then lowers her speed for the next two hours. Which graph best illustrates Maggie's trip home from college?
*Sunday, November 25, 2012 at 6:19pm*

**college algebra--I really need help!!**

solve the following exponential equation. exact answers only. 1-9x 2x 2 = e I hope that you understand this question. I don't and need some help please. Can you show all answers please.
*Sunday, November 25, 2012 at 3:29pm*

**college algebra--I really need help!!**

Find the domain of the composite function FOG f(x)= 2/x-3; g(x)= 7/x please show work so I can undestand
*Sunday, November 25, 2012 at 9:44am*

**college algebra--need help please!!**

find the domain of the composite function fog. f(x)= 2/x-3; g(x)= 7/x please show all work.
*Saturday, November 24, 2012 at 4:43pm*

**college algebra--need help please!!**

solve the following exponential equation. use exact answers only. not sure how to put it into the equation but it is 2 then 1-9x where the 1-9x is above the 2=e2x where the 2x is above the 2. Can someone tell me or explain to me how to put this equation the right way here.
*Saturday, November 24, 2012 at 4:40pm*

**college algebra**

solve the inequality algebraically 11x-3 is greater than or equal to - 4x^2
*Friday, November 23, 2012 at 3:56pm*

**college algebra, Please help!!**

use the remainder theorem to find the remainder when f(x) is divided by x-2. then use the factor theorem to divide x-2 is a factor of f(x). f(x)=4x^4-7x^3-5x+2 the remainder is ? is x-2 a remainder of f(x)=4x^4-7x^3-5x+2 please show work
*Friday, November 23, 2012 at 3:49pm*

**college algebra--need help please!!**

solve the equation in the real number system. 2x^4-23x^3+75x^2-88x+28=0 What are the real solutions of the equations? please show work. I do not know how to work this at all
*Friday, November 23, 2012 at 3:40pm*

**college algebra--need help please!!**

information is given about a polynomial f(x)whose coefficients are real numbers. Find the remaining zeros of f. degree:5, zeros: -6, 6-i please help and show all work.
*Friday, November 23, 2012 at 3:00pm*

**college algebra--need help please!!**

information is given about a polynomial f(x)whose coefficients are real numbers. Find the remaining zeros of f. degree:5, zeros: -6, 6-i please help and show all work.
*Friday, November 23, 2012 at 3:00pm*

**college algebra--need help please!!**

information is given about a polynomial f(x)whose coefficients are real numbers. Find the remaining zeros of f. degree:5, zeros: -6, 6-i please help and show all work.
*Friday, November 23, 2012 at 2:59pm*

**college algebra--need help please!!**

use the intermediate value theorem to show that the polynomial function has a zero in the given interval. f(x)=x^5-x^4+9x^3-5x^2-16x+5;[1.3,1.6] f(x)1.3= ? simplify answer f(x)1.6= ? "
*Friday, November 23, 2012 at 2:55pm*

**Math/statistics**

Thirty five percent of adult americans are regular voters. A random sample of 250 adults in a medium size college town were surveyed, and it was found that 110 were regular voters. Estimate the true proportion of regular voters with 90% confidence and comment on the results. ...
*Friday, November 23, 2012 at 4:46am*

**college english**

what is a good attention getter sentence on carpal tunnel syndrome?
*Wednesday, November 21, 2012 at 2:04pm*

**college algebra--please help**

solve the following inequality 70x-51<70/x I get this--but I do not know how to write the final answer in a solution set 70x-51<70/x 70x^2/x - 51x /x - 70/x < 0 70x^2 - 51x - 70/x <0 (10x + 7) (7x - 10)/x <0 x=0 (10x + 7)= 0 (7x - 10)=0 Can you please help me to...
*Tuesday, November 20, 2012 at 10:00pm*

**college algebra**

Solve the inequality algebraically 11x-3¡Ý-4x^2
*Tuesday, November 20, 2012 at 9:40pm*

**college algebra--please help**

Find a bound on the real zeros of the polynomial f(x)=x^4+4x^3-8x-6 can someone help me, I am confused and don't know where to start.
*Tuesday, November 20, 2012 at 5:25pm*

**college algebra--please help**

Form a polynomial f(x) with real coefficients having the given degree and zeros. degrees 5; zeros 1; -i; 7+i please show all work. I am having a hard time understanding this.
*Tuesday, November 20, 2012 at 5:21pm*

**college algebra**

find the complete zeros of the polynomial function. write f in factored form. f(x)=x^3-7x^2+25x-39 please show all work. I do not understand this.
*Tuesday, November 20, 2012 at 5:16pm*

**college bookkeeping**

you would transfer the net profit for a period to? a. an asset account b. a liability account c. an owner's equity account d. to the general ledger I am stumped!! seems to me it could be a or c????
*Monday, November 19, 2012 at 10:39pm*

**college algebra--please help**

what does Descartes rule of signs tell you about the possible number of positive real number zeros and the possible number of negative real zeros of the function? 1. f(x)=2x^5-5x^2+x-1 2. f(x)=5x^6+7x^4-x-6 please show work
*Monday, November 19, 2012 at 7:08pm*

**college algebra**

use the remainder theorem to find the remainder when f(x) is divided by x+2. then use the factor theorem to determine whether x+2 is a factor of f(x). f(x)=4x^6+36x^3+32 please show work
*Monday, November 19, 2012 at 6:59pm*

**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)=11x^3-x^2+11x-1 please show all work
*Monday, November 19, 2012 at 6:55pm*

**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)=x^3-8x^2-31x-22
*Sunday, November 18, 2012 at 11:47pm*

**college algebra, Please help!!**

find a bound on the real zeros of the polynomial. f(x)=x^4+2x^3-8x-7 every real zero of f lies between -? and ? *pleasae show all work*
*Sunday, November 18, 2012 at 11:42pm*

**college algebra, Please help!!**

use the intermediate value theorem to show that the polynomial function has a zero in the given interval. f(x)=4x^3+3x^2-8x+7;[-5,-2] please show all work
*Sunday, November 18, 2012 at 11:31pm*

**college algebra**

form a polynomial f (x) with real coefficients having the given degree and zeros. degree 5; zeros 5; -i; -6+-i f(x)= a(?) Please show step by step work.
*Sunday, November 18, 2012 at 10:58pm*

**college algebra**

find the complex zeros of the polynomial function. write f in factored form. f(x)=x^3-10x^2+37x-52
*Sunday, November 18, 2012 at 10:53pm*

**college finite math**

Find the marginal average cost function: C(x)=10-e^-x
*Sunday, November 18, 2012 at 6:24pm*

**math 104**

From a survey of 100 college students, a marketing research company found that 50 students owned iPhones, 45 owned cars, and 35 owned both cars and iPhones.
*Sunday, November 18, 2012 at 3:53pm*

**college**

square root 9v+7=5
*Sunday, November 18, 2012 at 2:31pm*

**Chemistry..**

I want to be a pharmacist, so after high school do I go to a 4 year college and then another 4 year of pharmacy school? And also, how can I be well prepared as a high school student?
*Sunday, November 18, 2012 at 12:57am*

**college math**

A lawn mower handle makes an angle of 60° with the ground. A woman pushes on the handle with a force of 30 pounds. How much work is done in moving the lawn mower a distance of 75 feet on level ground?
*Saturday, November 17, 2012 at 11:06pm*

**College Math **

Suppose the supply and demand for a certain videotape are given by: Supply: p=1/3q^2 Demand: p=-1/3q^2+48
*Saturday, November 17, 2012 at 8:04pm*

**College Algebra**

In an assembly line of a factory, which produces networking switching hubs, two robots are utilized. The first one (A) is able to produce 40 microchips per hour, whereas the second one (B) produces 30 microchips per hour. For a total production of 400 microchips, the two ...
*Friday, November 16, 2012 at 8:37pm*

**math**

At a certain college, there are 7 men for every 5 women. If there are 440 more men than women, what is the total enrollment?
*Friday, November 16, 2012 at 5:53pm*

**math**

At Strawberry State College, the ratio of females to males is 2:1. If there are 2100 students, how many are female and how many are male?
*Friday, November 16, 2012 at 5:52pm*

**Personal Dimension of Educatio**

Select the sentence that has correct subject-verb agreement. 1. Applied mathematics was my major in college. 2. Applied mathematics were my major in college. My answer is 1
*Friday, November 16, 2012 at 12:34pm*

**college algebra**

use the remainder theorem to find the remainder when f(x) is divided by x-2. Then use the factor theorem to determine whether x-2 is a factor of f(x). f(x)=4x^3-10x^2+13x-13
*Thursday, November 15, 2012 at 8:42pm*

**college algebra--need help please!!**

(Using the seven steps to analyzing the rational function of R), analyze the graph of the following function. R(x)=x^2-49/x^4-16
*Thursday, November 15, 2012 at 6:12pm*

**college algebra**

find all the zero's of the followig polynomial. write the polynomial in form. f(x)=x^2-256
*Thursday, November 15, 2012 at 4:46pm*

**college algebra, Please help!!**

which of the following best describes how the graph of f can be obtained from the graph of y=1/x^2? f(x)=14/x^2 choose the correct answer a.vertical stretch by a factor of -4 b. reflection over the y-axis, vertical shrink by a factor of 4 c. reflection over the x-axis, stretch...
*Wednesday, November 14, 2012 at 7:42pm*

**college algebra, Please help!!**

the graph of y=1/3 3square root x+5 can be obtained from the graph of y=3square root x by which transformations? Horiztonal shift: a. 5 units to the left b. 3 units to the right c. 3 units to the left d. 5 units to the right By what factor of y=3 square root x be stretched or ...
*Wednesday, November 14, 2012 at 5:28pm*

**college algebra, Please help!!**

How can the graph of g(x)=3square root x+3 be obtained from the graph of g(x)= 3 square root x? A. shift the graph 3 units right b. shift the graph 3 units up c. shift the graph 3 units down d. shift the graph 3 units left I am having problems with the square roots. Can ...
*Wednesday, November 14, 2012 at 5:17pm*

**college algebra, Please help!!**

How can the graph of g(x)=3square root x+3 be obtained from the graph of g(x)= 3 square root x? A. shift the graph 3 units right b. shift the graph 3 units up c. shift the graph 3 units down d. shift the graph 3 units left I am having problems with the square roots. Can ...
*Wednesday, November 14, 2012 at 5:17pm*

**college algebra, Please help!!**

How can the graph of g(x)=3square root x+3 be obtained from the graph of g(x)= 3 square root x? A. shift the graph 3 units right b. shift the graph 3 units up c. shift the graph 3 units down d. shift the graph 3 units left I am having problems with the square roots. Can ...
*Wednesday, November 14, 2012 at 5:17pm*

**college algebra**

use completeing the square to describe the graph of f(x)=4-16x-x^2 support your answers graphically
*Wednesday, November 14, 2012 at 5:06pm*

**college algebra**

find the intercept of the equation (x+6)^2(x-1)^2 does this crosses the x axis the smaller or touches the x axis or does it touch at the larger x intercept or crosses the larger
*Wednesday, November 14, 2012 at 3:45pm*

**college algebra**

q(x)=3x^2-11x-4/5x^2-16x-16 what are the oblique horizontal vertical asyptote
*Wednesday, November 14, 2012 at 3:20pm*

**college algebra**

determine the quadratic function f whose vertex is (2,-4) and passes through (3,-1) f(x)= what? type answer in form of f(x)=ax^2+bx-c
*Wednesday, November 14, 2012 at 2:47pm*

**college algebra**

determine the quadratic function of f whose graph is the vertex of (1,-4) and the y-intercept is -3.
*Wednesday, November 14, 2012 at 1:44pm*

**college algebra**

F(X)= -3x^2 -30x-70 what is the vertex what is the axsis of symmetry what are the intercept what is the domain what is the range intervals increase intervals decrease
*Wednesday, November 14, 2012 at 12:26pm*

**College Algebra**

I am using Hawkes Learning System (8.7 Nonlinear Systems of Equations)and my problem is x^2+y^2=13 and y+7=x^2. The answers I came up with are 2 square root of 3 and 3 for my x's. And I received (5,-4) as the y-coordinates. Is this correct?
*Wednesday, November 14, 2012 at 11:25am*

**physics**

a college student takes her book to class by placing them in a box and pulling it around school. She pulls on the box with a force of 90N at a angle of 30 relative to the horizontal. the box of books has a mass of 20 kg and the coefficiant of kinetic friction between the ...
*Wednesday, November 14, 2012 at 1:18am*

**physics**

a college student takes her book to class by placing them in a box and pulling it around school. She pulls on the box with a force of 90N at a angle of 30 relative to the horizontal. the box of books has a mass of 20 kg and the coefficiant of kinetic friction between the ...
*Wednesday, November 14, 2012 at 1:18am*

**College Algebra**

Find a polynomial function f(x), with real coefficients, that has 1 and 3+2i as zeros, and such that f(-1)=2 (Multiply out and simplify your answer)
*Tuesday, November 13, 2012 at 11:20pm*

**College Algebra**

6000 seat theater tickets for sale $25 and $40 how many tickets should be sold at each price for total revenue of $192,000
*Tuesday, November 13, 2012 at 8:18pm*

**Algebra**

Task Type: Individual Project Deliverable Length: 3 Parts: See Assignment Details Points Possible: 150 Due Date: 11/5/2012 11:59:59 PM CT Weekly tasks or assignments (Individual or Group Projects) will be due by Monday and late submissions will be assigned a late penalty in ...
*Tuesday, November 13, 2012 at 12:51am*

**college algebra**

John invests $2500 in an account that pays a rate r compounded annually. If after 2 years the total interest earned is $650, find the approximate rate of interest
*Monday, November 12, 2012 at 11:05pm*

**college algebra--need help Please!!!**

I need to find the vertex and axis of symmetry of the folowing quadratic function. Can someone PLEASE help me!! y= -x^2-6x
*Monday, November 12, 2012 at 10:19pm*

**statistics**

Use the multiple regression equation to predict a person's salary. Assume that the variable A is the number of years of college. Assume that the variable B is the number of years of experience. Suppose the person has 7 years of college and 3 years of experience. What ...
*Monday, November 12, 2012 at 9:40pm*

**college chemistry**

How many milliliters of a 9.0\% ({\rm v/v}) propyl alcohol solution would you need to obtain 4.0{\rm mL} of propyl alcohol
*Monday, November 12, 2012 at 8:58pm*

**College Algebra**

How do you solve 3 log(base 2)*(x-1)+ log(base 2)4=5
*Monday, November 12, 2012 at 12:15pm*

**college algebra**

solve for X -7=7x^2-10x+6
*Sunday, November 11, 2012 at 10:28pm*

**statistics**

For which of the following situations would a repeated-measures research design be appropriate? a. comparing mathematical skills for girls versus boys at age 10 b. comparing pain tolerance with and without acupuncture needles c. comparing self-esteem for students who ...
*Sunday, November 11, 2012 at 9:13pm*

**college algebra**

find the zero's for the following polynomial and give the multiplicity for each zero. For each zero, state whether the graph crosses the x-axis or touches the x-axis and turns around. f(x)=5(x-2)(x+4)^3 I am having trouble with this. Can you please show me how you got the ...
*Sunday, November 11, 2012 at 4:17pm*

**College Math**

Fiona invested $1100 at 8% compound comtinously. At the same time, Maria ivested $1200 at 8% compounded daily. How long will it take for their investments to be equal in value?
*Sunday, November 11, 2012 at 8:09am*

**college algebra**

Given the following rational function, find: A. horizontal asymptotes B. vertical asymptote(s), if any C. oblique asymptote(s), if any f(x)=x^2-x-2/2x^2-x-21
*Saturday, November 10, 2012 at 6:04pm*

**Statistics**

Use the multiple regression equation to predict a person's salary. Assume that the variable A is the number of years of college. Assume that the variable B is the number of years of experience. Suppose the person has 7 years of college and 3 years of experience. What ...
*Friday, November 9, 2012 at 11:09pm*

**college algebra**

find the function that is finally graphed after the following transformations are applied to the graph of y=sqrt x in the order listed. 1. relected about the x-axis 2. shift down 9 units 3. shift left 2 units y=
*Friday, November 9, 2012 at 2:26pm*

**college algebra, Please help!!**

Answer the following function. f(x)=2x^2-x-1 A. Is the point (-2,9) on the graph of f? B. If x equals 2, what is fx? What point(S) are on the graph of f? c. if f(x)= -1, what is x? what point(s) are on the graph of f? d. what is the domain of f? e. List the x-intercpts, if any...
*Friday, November 9, 2012 at 1:11pm*

**college algebra, Please help!!**

Answer the following function. f(x)=2x^2-x-1 A. Is the point (-2,9) on the graph of f? B. If x equals 2, what is fx? What point(S) are on the graph of f? c. if f(x)= -1, what is x? what point(s) are on the graph of f? d. what is the domain of f? e. List the x-intercpts, if any...
*Friday, November 9, 2012 at 1:11pm*

**college algebra**

deteermine algebracially whether the given function is even,odd, or neither. f(x)= -3x-/9/
*Thursday, November 8, 2012 at 11:25pm*

**college algebra**

for the function f(x)=7/x+6, find the average rate of change of f from 1 to x.
*Thursday, November 8, 2012 at 11:22pm*

**college algebra**

write the function whose grapg is the graph of y=(x+5)^2, but is reflected about the y-axis. would it look like this: y=(x+5)-2??
*Thursday, November 8, 2012 at 11:20pm*

**college algebra**

For the given functions f and g find the following and state the domain of each. f(x)=sqrt x; g(x)=7x-3 A.what is the domain of f*g? B. What is the domain of f/g? Please show all work.
*Thursday, November 8, 2012 at 10:49pm*

**College Math**

i'm having trouble calculating this. can someone help please? A $7,000, 4%, 120-day note, dated March 20, is discounted on July 15. Assuming a 3% discount rate, the bank discount is: a) $1.74 b) $1.77 c) $7.11 d) $17.68 e) None of these .
*Thursday, November 8, 2012 at 1:35pm*

**College Math 111**

Assuming evey year is 365 days, and that you were counting one dollar each second,how long would it take to count 3.803 trillion dollars? Write your answers as years+days,rounded to the nearest day
*Thursday, November 8, 2012 at 12:27pm*

**college**

The measure of a third angle in an isosceles triangle is 82.5 more than the measure of the two equal angles. whats the angle of the third.
*Thursday, November 8, 2012 at 8:04am*

**statistic**

Suppose a random sample of 25 students is selected from a community college where the scores in the final exam (out of 125 points) are normally distributed, with mean equal to 112 and standard deviation equal to 12. Find the probability that the sample mean deviates from the ...
*Thursday, November 8, 2012 at 12:40am*

**College Algebra**

How much money would you have to invest at 8% compounded semiannually so that the total investment has a value of $2,280 after one year?
*Wednesday, November 7, 2012 at 4:22pm*

**Persuasive Wrtiting**

Teen Moms: Aren’t Ready Did you know that three out of ten teen girls in the U.S. will get pregnant at least once at the age of nineteen or younger, so if you totaled that up, it is about 750,000 pregnancies each year? Ninety-percent of teenagers won’t use some form ...
*Wednesday, November 7, 2012 at 1:54pm*

**College Physics**

The electric motor of a model train accelerates the train from rest to 0.660 m/s in 31.0 ms. The total mass of the train is 650 g. Find the average power delivered to the train during its acceleration.
*Wednesday, November 7, 2012 at 12:09pm*

**college algebra**

given the following rational, find the horizontal asympotes the vertical asymptotes if any and the oblique asymptotes if any f(x)=x^2-x-2 over 2x^2-x-10
*Tuesday, November 6, 2012 at 8:53pm*

**college algebra**

given the folowing quadratic equations find the vertex the axis of symmetry the intercept the domain the range the interval where the function is increasing andthe interval where the function is decreasing graph the function y=X^2+4x
*Tuesday, November 6, 2012 at 8:46pm*

**college math**

loverdale-Nurseries obtained a $60,000 loan at 7.5% compounded monthly to build an additional greenhouse. Construct a partial amortization schedule for payments of $1000 per month (except for a smaller final payment)showing details of the first 2 payments. Payments 56 and 57 ...
*Tuesday, November 6, 2012 at 6:28pm*

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