Friday

March 6, 2015

March 6, 2015

Number of results: 84,373

**statistics**

At a small college it is known from previous years that 35% of all college freshman start in college algebra. The new freshman class has 100 students in it, What is the probability that between 35 and 42 freshman will start in college algebra? Is it reasonable to approximate ...
*March 23, 2012 by lola*

**College Algebra**

20. Growth of an Account If Russ (see Exercise 19) chooses the plan with continuous compounding, how long will it take for his $60,000 to grow to $80,000? 3. (1/8) to the 2x-3= 16 to the x +1 13. e to the 4x= 4 to the x-2 15. ln (x-4) ln 3= ln(1/5) to the x power 20. Tripling ...
*June 20, 2013 by Phoebe*

**college algebra, Please help!!**

find the f and g, so that fOg= H H(x)=sqrt x^2+17 please show work
*November 27, 2012 by Heather*

**college algebra, Please help!!**

solve the following equation 9^x-1 = 144(6x) please show work.
*November 28, 2012 by confused*

**College Algebra**

Solve the following equation in the complex number system x^4+x^3+4x^2+10x-60=0 College Algebra - Reiny, Monday, January 2, 2012 at 11:49pm hint x = 2 and x = -3 are roots so either do long division by x-2 and x+3 to get a quadratic or do it by synthetic division. Solve that ...
*January 3, 2012 by Jennifer*

**college algebra**

I don't understand the steps for doing synthetic division in college algebra
*June 21, 2011 by Louis*

**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.
*November 24, 2012 by Heather*

**College Algebra**

4x^2=8x-5 Please someone help
*October 21, 2008 by Courtney*

**college algebra**

please help with these 2 problems a) 2/3x+1/6x=2 b) -2x-4<10
*November 16, 2008 by tina*

**college algebra**

x/2-x/x-4=-4/x-4=-4x^2/2 check this please
*May 24, 2010 by Gregory*

**College Algebra **

Write the following a+bi form i(3.14-3i) Please help. I believe that the answer is 3.14i-3i, which would be (3.13*-1)-3*-1. however this was incorrect please tell me where I went wrong
*May 28, 2014 by Anonymous*

**College Algebra**

Penn foster College Algebra exams...
*January 2, 2012 by Sam Shah*

**College Algebra**

Can anyone please show me how to solve (57 C 102)(47 + 82)
*May 29, 2010 by Amber*

**college algebra**

please help me solve this equation x-1/3x-1/2x-5=0
*February 25, 2013 by ray*

**College Algebra URGENT**

f(x)=1/(x+4) g(x)1/(6x+4) what is f(composed)g(x) if x does not equal -4/6 please help me
*October 29, 2010 by Jess*

**College Algebra**

Could you please help me with this problem? We are to graph each compound inequality. x -2y and x - 3y < 6
*September 10, 2007 by Shana*

**College Algebra**

Can some please help me and explain this problem to me! Or if you know of any website that will help! Thanks. -2x+4>12
*November 15, 2007 by Alicia*

**college algebra**

can someone check my answer for me please! 5x+6y=18 solve for y 6y=18-5 y=3-5/6x
*November 16, 2007 by Alicia*

**college algebra**

Please show me how to work this e^.05t =1600
*January 31, 2012 by Betty*

**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
*November 12, 2012 by ladybug*

**algebra**

1/2x+6=1/3x Please help. my college grad mom can't help with my 8th grade math!
*September 2, 2008 by Josh*

**College Algebra :( **

Sketch the graph of y=mx for the given values of m. m=3,-2,2/3,-1/4 please help me, I'm so confused!
*September 26, 2011 by Divgar*

**college algebra, Please help!!**

find the domain of the composite function of fog f(x)=x^2+8;g(x)x-5
*November 30, 2012 by confused*

**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
*November 18, 2012 by ladybug*

**math**

Mr. Doodles grade distribution over the past 3 years for a course in college algebra is shown in the chart below. Grade Number A 45 B 180 C 210 D 95 F 65 I 5 If Jane plans to take a college algebra course with Mr. Doodle, determine the empirical probability that she receives ...
*May 29, 2011 by kozy*

**college algebra**

Please help in solving this problem using the method of substitution -2/3x + Y= 2 2x -3y =6 thanks for your time.
*November 25, 2009 by cheryl*

**College Algebra**

Directions: Find the REAL solutions of the equation x^3-2.6x^2=3.93 Please help, its for my final!
*December 8, 2010 by Courtney*

**College Algebra**

Please help me Divide. (9x^3-10+19+6x^4)/(-2x^2+3x-3) Write your answer in the form Q(x)+ R(x)/ -2x^2+3x-3, where Q(x) is the quotient and R(x) is the remainder.
*January 22, 2011 by jen*

**college algebra**

write the expression as a single logarithm In(x/x-2)+In(x+2/x)-In(x^2-4) Please show work
*November 27, 2012 by Ladybug*

**Math**

Mr. Doodles grade distribution over the past 3 years for a course in college algebra is shown in the chart below. Grade Number A 45 B 180 C 110 D 95 F 65 I 5 If Jane plans to take a college algebra course with Mr. Doodle, determine the empirical probability that she receives ...
*July 19, 2011 by Jen*

**college algebra**

please solve by method of substitution 0.3x-0.4y-0.33=0 0.1x + 0.2y -.21=0 please give all steps to solve.I think I understand the basic concept but this is little more complicated for me. Thanks in advance
*November 24, 2009 by Nadia*

**college algebra**

Can someone please help me find the x-intercepts and y-intecepts of this equation. I have the radius, and center but I can't seem to get the intercepts. x^2+y^2=16x-18y+145=25 Please show work. Thanks!!
*December 4, 2012 by confused*

**college algebra--please**

I am not understanding this question and I have read the chapter many times. Please help. given the function of f(x)=4x-8 a. find the the rate of change between the stated values for x:5 to 7 b. find the equation of a secant line containing the given points (5,f(5)), and (7,f(...
*November 2, 2012 by ladybug*

**College Algebra**

Solve 2x(squared)-3x-2=0 using the quadratic formula. Can someone explain this to me please?
*November 18, 2007 by Alicia*

**college algebra**

solve the equation below. Please show all work. log3(x/2-9)=4
*March 4, 2012 by Tammy*

**college algebra, Please help!!**

solve the following logarithmic equation 2log2(lower than g)^(x-2)+log2^2=3 x=?
*November 27, 2012 by ladybug,I need help please. *

**college algebra**

find functions f anf g so that fog equals H H(x)=x^2+17 please show work
*November 30, 2012 by confused*

**College Algebra**

3x^4=648x someone help please im so confused. i am trying to find the solution set?
*February 1, 2013 by Adrianna *

**Math**

Mr. Doodles grade distribution over the past 3 years for a course in college algebra is shown in the chart below. Grade Number A 45 B 180 C 110 D 95 F 65 I 5 If Jane plans to take a college algebra course with Mr. Doodle, determine the empirical probability that she receives ...
*July 20, 2011 by Jen*

**College Algebra**

Why am I still not getting this one even after going back through websites and notes? Please explain in detail so I know for next time. Two angles are complementary. The sum of the measure of the first angle and one-fourth the second angle is 62.25 degrees. Find the measures ...
*November 18, 2009 by LeAnn*

**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.
*November 23, 2012 by ladybug*

**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.
*November 23, 2012 by ladybug*

**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.
*November 23, 2012 by ladybug*

**College Algebra**

Can someone check my answer please? Find the corresponding y values for x= -2,-1,0,1,2,3 if y= x^-x-2. My answers are under Y. X Y -2 -4 -1 -2 0 -2 1 0 2 4 3 10
*November 20, 2007 by Alicia*

**college algebra**

The graph of a power function is f(x)=kx^p, where k and p are constants. Do you expect k to be positive or negative ? Explain please.
*December 8, 2007 by cedric benson*

**college Algebra**

solve by the substitution method. 8x+3y=-40 x=48-7y THE ANSWER SHOULD BE AN ORDERED PAIR. PLEASE HELP ASAP
*April 21, 2010 by Tonia*

**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.
*November 20, 2012 by confused*

**college algebra, Please help!!**

a circle has the equation x^2+y^2+6x-6y-46=0 find the center and the radius of the euation. If there are any intercepts list them.
*December 9, 2012 by Heather*

**College Algebra **

Write the following in a+bi form (-5-i)/(3-3i) -5/3 and 1/3i (-5/2i)/(-1/5i) 23 and 0i (-2i)^3 -2 and 0 Im having trouble with these probems and here is my answers. PLEASE HELP
*May 28, 2014 by Anonymous*

**College Algebra **

Let Z be equal to (2-5i) The question is z^2 +iz -(5+i) The answer I got for this was -22 + 18i but it isn't correct on my homework page please help/
*May 28, 2014 by Anonymous*

**College Algebra**

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

**College Algebra**

I'm still having trouble with this problem. Can someone please explain the steps to me. -2x+4>12 Is this the next step? -2x+4-4=12-4
*November 16, 2007 by Alicia*

**College Algebra ~ Please Help**

Can someone give me some real life applications that I can use for a quadratic function.
*November 20, 2007 by Alicia*

**College algebra**

I need help finding an equation of the line containg (-5,-9)and (-2,-7) the answer has to be in slope-intercept form y=? Can anyone please help me with this?
*November 28, 2009 by muff*

**SAT**

please help. I am a foreigner. I need to get into a US college for a bright future. I bought the College Board SAT book. It has no word lists. How do I do well in the SAT? Any tips? Please give me help.
*January 19, 2014 by Mohammed*

**College Algebra**

A bank credit card charges interest at the rate of 23% per year, compounded monthly. If a senior in college charges $1,700 to pay for college expenses, and intends to pay it in one year, what will she have to pay?
*October 28, 2013 by Dee*

**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
*November 23, 2012 by confused*

**english **

how about this for starters? The shift from being a high school student to a college student can be both pleasurable and discomforting at the same time for the simple fact that college is nothing like high school. In college there are no boundaries, telling the students what...
*January 25, 2010 by layla *

**college algebra**

Solve the following equation in the real number system. Please show all of your work. 2x^3-3x^2-14x+15=0
*October 29, 2011 by julez*

**college algebra**

Solve the following equation in the complex number system. Please show all of your work. 2x^5-3x^4-32x+48=0
*January 18, 2012 by Jo *

**college algebra**

graph the function and state the vertex axis of symmetry, the intercepts, if any: f(x)=x^2-8x+15 Please show work so i can understand this. thank you
*August 18, 2012 by alli*

**college algebra**

analyze the graph of the following function. r(x)= x^2+x-6 -------- x^2-x-2 there are 8 steps but they dont make sense to me... please show work!! thanks
*August 21, 2012 by alli*

**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
*November 25, 2012 by Ladybug*

**College Algebra help please**

I dont understand this. The question is use the remainder theorem to evaluate P(x) as given. 1. P(x)=3x^3+11x^2+2x-16 and it gives me P(1/3)
*February 25, 2013 by Kristen*

**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.
*November 20, 2012 by Heather*

**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.
*November 25, 2012 by Ladybug*

**college algebra**

how long would it take $3,100 to grow to $8,800 if the annual rate is 3.5% and interest is compounded monthly? please help
*July 25, 2011 by Ash*

**college algebra**

Solve the exponential equation. Express your solutions in exact form only. Please show all of your work. 3^x-70*3^-x=9
*January 4, 2012 by Sunny*

**college algebra**

determine the quadratic function f whose graph is given. the vertex is (1,-3) y intercept is -2 please show work so i can see how this is done, thank you!
*August 19, 2012 by alli*

**college algebra**

Passing thru point (1,4); perpendicular to 2x+y=5 How do I solve this? I think it might be this but not sure please let me know what step I left out Thanks:-) 2x+y=5 y=5-2x y=2x-5 M1=2 4=-1/2(1)+c=1+c C=4 Y=-1/4x-1
*February 6, 2013 by Anonymous*

**College Algebra **

The problems reads: "The equation x^2-9x=0 has 2 solutions A and B. Where A < B. The answers I got where x=0 and x=9, however my online homework is saying its incorrect. Please help me (x-9)x=0 x^2=9x (x-9/2)^2-81/4=0
*June 2, 2014 by Anonymous*

**College Pre-Algebra**

Solve -14x-7(4-x)< 3(2x-15). Write your solution using set builder notation. Please show all of your work.
*November 22, 2011 by Kameesha*

**college algebra**

find the vertical, horizontal, oblique asymptotes, if any, for the given rational function. R(x)=10x^2+19x-15 -------------- 2x+5 please show how you arrived with the answer! thank you
*August 17, 2012 by alli*

**college algebra**

solve the following inequality. write the answer in interval notation x^3-4x^2-21x<0 please show work so i can understand this problem better! thanks
*August 19, 2012 by alli*

**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.
*November 20, 2012 by Heather*

**college algebra**

x-y=3 i need to graph the linear equation and i need 3 plots. please help
*January 23, 2011 by someone*

**College Algebra**

need help finding the distance using the distance formula please!!! (0,0) (x,y)
*February 23, 2013 by Marie*

**college algebra**

Can anyone please help me with this? for the function f(x) =1/x....f(x)is increasing on the interval(s) and f(x) is decreasing on the interval(s)???
*February 28, 2012 by Carol*

**college algebra**

previous question, can hannah xx please explain how she got the answer to that question
*March 8, 2009 by Joe*

**college algebra**

solve the following logarithm equation log (4x+7)=1+log(x-6) x=? please show work
*September 5, 2012 by ALLI*

**College Algebra**

Why is t= ln(2)/.04 the same as t= 25ln(2)? Please explain it step by step. What rule do you use or how do you change the .04 to the 25?
*December 21, 2012 by Linda*

**college algebra**

Please show me the steps to solving this equation:-) √5(x-1.2)-√3x<5(x-1) Your help is greatly appreciated.
*February 10, 2013 by Anonymous*

**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*

**Education facts**

What percent of high school graduates go onto college(can be either 2,4or 8 year degree) and.. What percent of those that go onto college graduate from college with a degree. Please post your reliable sources that you got the information from. If you could put in in mla format...
*July 13, 2010 by Hannah*

**college algebra**

6y-7x=12, 7x-6y=-12 solve by graphing method. classify as consistent/inconsistent and dependent/independent. i have been working on this problem and i can't figure it out. please help!
*July 9, 2011 by heather*

**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= ? "
*November 23, 2012 by ladybug*

**college algebra **

solve the logarithmic equation. Please show all work. log5x+log5(x-3)=log5(x+5)
*March 4, 2012 by Tammy*

**College Algebra **

2/9+-5/6= -8 -(-3/7 k) The answer I got found was 82k=-903 I then divided that by 82 and found k=-11.0121. Which was incorrect, please help me.
*May 28, 2014 by Anonymous*

**college algebra**

Solve the following inequality. x^3+9x^2-108 less or equal to 0. Then write your solution in interval notation. I am sooo confused and do not have any idea how to do this. Can someone please show me step by step please??? Thanks in advance. Someone who is confused.
*December 25, 2012 by allison-please help!!!*

**College Algebra**

What is the difference between direct variation and joint variation and please put into words an example.
*April 6, 2011 by Kathy*

**College Algebra and Trigonometry**

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

**college algebra**

Could I please have 1 example of a piecewise-defined function problem, with 2 function pieces and the domain and range of each piece. Thank you
*September 27, 2011 by Trish*

**college algebra**

graph the function using transformations, show and state , a) the domain, B) range c) the asymptotes F(x)= 1/x^2-4 please show work!
*August 17, 2012 by alli*

**College algebra**

graph the function using transformations, show and state , a) the domain, B) range c) the asymptotes F(x)= 1 ----- -4 x^2 please show work!
*August 18, 2012 by alli*

**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
*November 15, 2012 by ladybug*

**college algebra, Please help!!**

find the line with the given properties. Parellel to the line 7x-y= -7; containing rhe point (0,0) plz show work
*December 9, 2012 by James*

**College Algebra**

I have t = ln(2)/.04 and the book has the answer as 25ln(2) I know these are the same but please show me the steps to go from ln(20)/.04 to 25ln(2) What rules etc. make it so I can do that so I can do it on later problems Thank you
*December 20, 2012 by Linda*

**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.
*March 18, 2013 by Jackie*

**College Algebra**

Verify that the function f and g, are inverses of each other by showing that f(g(x))=x and g(f(x))=x. Graph both the functions on the same graph. Please show all of your work. f(x)=-7/x-4 g(x)=4x-7/x
*January 18, 2012 by Jo *

**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*
*November 18, 2012 by ladybug*

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