100,552 results

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 ...

Algebra 2
Dana invests \$8,000 into her son college fund when he is born. The college fund earns 3% interest and is compounded daily. What will the value of his account be if he takes the money out at 18 to go to college? Please write answer rounding to 2 decimal places.

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 ...

find the f and g, so that fOg= H H(x)=sqrt x^2+17 please show work

solve the following equation 9^x-1 = 144(6x) please show work.

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 ...

college algebra
I don't understand the steps for doing synthetic division in college algebra

find the domain of the composite function fog. f(x)= 2/x-3; g(x)= 7/x please show all work.

College Algebra

college algebra

college algebra

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

College Algebra
Penn foster College Algebra exams...

College Algebra
Can anyone please show me how to solve (5¡Ì7 ¨C 10¡Ì2)(4¡Ì7 + 8¡Ì2)

college algebra

College Algebra URGENT

College Algebra
Could you please help me with this problem? We are to graph each compound inequality. x ¡Ý -2y and x - 3y < 6

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

college algebra
can someone check my answer for me please! 5x+6y=18 solve for y 6y=18-5 y=3-5/6x

college algebra
Please show me how to work this e^.05t =1600

algebra

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!

find the domain of the composite function of fog f(x)=x^2+8;g(x)ãx-5

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

math
Mr. Doodle’s 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 ...

college algebra

College Algebra

College Algebra

college algebra
write the expression as a single logarithm In(x/x-2)+In(x+2/x)-In(x^2-4) Please show work

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

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!!

Math
Mr. Doodle’s 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 ...

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(...

College Algebra
Solve 2x(squared)-3x-2=0 using the quadratic formula. Can someone explain this to me please?

college algebra
solve the equation below. Please show all work. log3(x/2-9)=4

solve the following logarithmic equation 2log2(lower than g)^(x-2)+log2^2=3 x=?

college algebra
find functions f anf g so that fog equals H H(x)=ãx^2+17 please show work

College Algebra
3x^4=648x someone help please im so confused. i am trying to find the solution set?

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 don't know what to do.

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 ...

Math
Mr. Doodle’s 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 ...

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.

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.

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.

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

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.

college Algebra

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.

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.

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

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/

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.

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

Can someone give me some real life applications that I can use for a quadratic function.

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?

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 don't make sense to me... please show work!! thanks

I don't 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)

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 ...

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?

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

college algebra
Solve the following equation in the real number system. Please show all of your work. 2x^3-3x^2-14x+15=0

college algebra
Solve the following equation in the complex number system. Please show all of your work. 2x^5-3x^4-32x+48=0

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

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

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.

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.

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

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

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!

college algebra
Passing through 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

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

Math College Algebra

college algebra
factor... (x+4)^-3/5+(x+4)^-1/5+(x+4)^1/5 Please explain the process used to solve this type of expression. Answer should be in equation form if that helps....

College Pre-Algebra

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

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

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.

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 .

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...

college algebra

College Algebra
need help finding the distance using the distance formula please!!! (0,0) (x,y)

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)???

college algebra
previous question, can hannah xx please explain how she got the answer to that question

college algebra
solve the following logarithm equation log (4x+7)=1+log(x-6) x=? please show work

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?

college algebra
Please show me the steps to solving this equation:-) √5(x-1.2)-√3x<5(x-1) Your help is greatly appreciated.

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!

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= ? "

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 don't know what to do, I've already used almost 20 sheets of paper. Please help me. Thanks.

college algebra
solve the logarithmic equation. Please show all work. log5x+log5(x-3)=log5(x+5)

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.

Math College Algebra (urgent before 2hours)

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.

College Algebra
What is the difference between direct variation and joint variation and please put into words an example.

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

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!

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!

(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

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

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