129,882 results

### 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.

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

### 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 ...

### 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--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

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.

### 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.

### 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

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

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

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= ? "

(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

### algebra 1b

i need help!!!!!!!!!!!! Please post your problem and your attempts to solve it. Then we'll be glad to help you. what's the problem? I have a test on wednesday or thursday and I think I'm gonna pass it! I need help with Simplifying i need help with sketching the graph of the ...

### 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.

### algebra

For the quadratic function f(x) = - x^2 +2x + 6, find the vertex and the axis of symmetry, and graph the function. Again, I need help with this as these are practice examples for an upcoming quiz and I stink at this part of algebra and I need to get it otherwise I won't ...

### 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

### algebra

Uhhhh... well i need help with this algebra but i kinda need it explained as well...meaning if you can help please explain what you did because i have no idea how to do this kind of problem r+3 ---- = 1 12 i need to know what r is 12

### College Algebra

I have tried and struggled I really need osme help. I have an A average and this is the second time I am taking this course I totally suck at math and I don't get this at all, somebody help please lol!

write the standard form of the equation and the general form of the equation of the circle with radius r and center (h,k) r=10; (h,k)=(8,-6)

### College Algebra

Please, I need your help!How much water must be evaporated from 16oz of a 2% salt solution to make a 4% salt solution?

### College algebra

i need help finding

### 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 ...

### College algebra

-I need help solving this 72/(-4)+3(-4) _________ 5-(-5)

### College Algebra

Hello I need help with this problem. I need to identify if the equation is identity, contradiction, or conditional equation. -(5x-3)+2x=11-4(x+2)

### College Algebra

Hello I need help with this problem. I need to identify if the equation is identity, contradiction, or conditional equation. -(5x-3)+2x=11-4(x+2)

### College Essay

Hi, I need somebody to review my college essay but I would like to send an email to that person. Can somebody please help me?

### College Algebra

(ex)x·e4x + 4 = 1… so i need to solve for x…. how the hell do I do that???

### college algebra

2x+y=-2 (1) x+y-z=-4 (2) 3x+5y+z=0 (3) solve the system need help quick!

### college algebra

Need to solve what are the steps to do so? 1.5<9.1-0.5x<6.8. <they are underlined. Thanks

### College Algebra

need help in solving how many miles can i drive on 60 gallons of gas, with the Mpg 30 in the city, and 42 highway. I would like all the steps, never had algebra before, so i am very lost.

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

### persuasive essay!!

Is it better to go to college and be successful or open your own business without a college degree? Need help writing thesis. What are some benefits of going to college rather than not going to college and opening your own business

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

### HELP WRITING A COLLEGE ESSAY!

Hi! For one of my college essays I have to write a 300 word essay on how "the world is better with the computer chip". I just needed some help making an outline.. I know in the intro I should probably state the revolutionary things it has done (need help finding those things...

### college algebra

I need help solving this equation. 3√z+1=-3 How do I do this problem? Thanks for your help.

### college algebra

i need help with elimination and substitution linear equation

We are presently in need of E-tutor volunteers at Jiskha. If you feel you have a need to help others, and enjoy helping students in grasping ideas in their schoolwork, we are looking for additional volunteers. Specifically, we need competent and helpful persons in Algebra ...

### college

I NEED A GUIDELINE ON HOW TO SET UP THIS COMPILE INVENTORY FOR POPULAR CULTURE THAT I COME IN CONTACT WITH I NEED TO DESCRIBE THE IMPACT THAT THESE ARTIFACT HAVE ON MY PERSONAL DESCISION MAKING I NEED TO IDENTIFY THE PATTERNS OR SIMILARITIES IN MY INVENTORY ALSO NEED TO ...

### 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

### math 098

I made 3 f's on my tests in math 098, do you think i need to withdraw and take math 090 instead. this is my first semester and i really want to do my best please help. math 098 is algebra math 090 is basic for college. the score were equations--52,distance problems---55, ...

### College Algebra

Do variables with exponents in algebraic terms need to be alphabetical?

I need help on the algebra with pizzazz worksheet page 8 Objective 1-h. Need the answers to letters O-R or just the puns answer straight out please! ^_^

### college level algebra

I need to explain why subtracting a negative is like adding

### College Algebra..LOG

log4(little four) (40 - 3x) = 0 now i need to solve for x...

### College Algebra..LOG

log4(little four) (40 - 3x) = 0 now i need to solve for x...

### college algebra

I need to find out the solution in terms of natural logarithms for this 10^x=2.5

### college algebra

I need to find out the solution in terms of natural logarithms for this 10^x=2.5

### college algebra

Need help finding the x-intercepts y=x^3+x^2-100x-100 I know that the answer is (10,0),(-10,0),(-1,0) I don't understand how to get (-10,0) and (10,0)

### 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

2/5(5x-3) - 1/3(12x-5). Have the correct answer but need someone to show me how to solve for it.

### college algebra

graphing a hyperbola. -4x^2+9y^2+8x+72y-4=0 - just need help setting it up into an equation

### college algebra

12x+4y+2z=-7 (1) 3x-12y+6z=-4 (2) 9x-16y+4z=-3 (3) solve the system just need the steps how to do it

### college algebra

x y z rhs 1 1 2 3 2 1 6 3 0 3 4 13 i need to multiply some number and add to r3 answer quick!

### college algebra

x y z rhs 1 1 2 3 2 1 6 3 0 3 4 13 i need to multiply some number and add to r3 and get o in r3 answer quick!

### 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

For the Function F(x)=4x^2-x-1; Find F(-2)=

For the functions F(x)=4x^2+3x+5 and g(x)=3x^2+2x+2, Find: A. (f+g)(3) B.(f+g)(x) C. (f-g)(x) D. (f-g)(-3)

For the functions f(x)=x-4 and g(x)=2x^2-3x-1, Find: A. (f*g)(x) B. (f*g)(-1)

### college algebra

How do you solve f(x)=square root of 2x+1 using the difference quotient? I need to see the steps.

### college algebra

Need help in finding all vertical, horizontal, and slant asymptotes, x- and y-intercepts, and symmetries of f(x)=(x-3)/(x-4)

X- 0 1 2 3 4 5 6 Y- -7 -4 -1 2 5 8 11 this is a x and y table I need to find out wat the rule is to get y. So the equation would start out like: Y=?????? wat do u need to do with x to get y? and I need help badly! so please!

### college math

the Laplace transform of e^4t(cos 2t)?? please i need help. thanks

### College Algebra URGENT

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.

### 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 1A

How is algebra a useful tool? what concepts investigated in algebra can be apply to personal and professional life? I need help answering this question. Please help?

### college algebra

i need some help with this pleez! f(x+6) f(x)=3x^2-5x+3 if u could explain in steps that would be great! :) If f(x) = 3x^2-5x+3, then f(x+6) = 3(x+6)^2 + 5(x+6) + 3 Multiply that out and combine terms.

### College Algebra

Mukul has \$1.60 in nickels, dimes, and quarters. He has nine more dimes than quarters and six more nickels than quarters. How many of each coin are in his pocket.- I need little hint please. My answer is coming out wrong.

### 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

### College Algebra

I need help with the following problem. I do not understand how to finish working it. -3y^4/5+72=-15 -3y^4/5=-87 y^4/5=29 y=29^5/4 What next? Round answer to two decimal places. Thanks for your help.

### college algebra

How much paper would you need to wrap a box 10cm wide, 25cm high, and 50cm long?

### College Physics

I keep getting answer wrong. I don't know what I did wrong. I really need help please. I need help with 1 question. Can you help with this please if you don't mind? 1) Suppose you are given that z = c y^3/x^2 where c is some number. For a particular value of c, x and y, z is ...

### 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

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

### Algebra

Hi. I need help on this homework problem. I don't know where to start of how to do this. Will you please help me? Find the value of digit A if th give-digit number 1243bis to be divisible by both 4 and 9, with A not equal to B. I don't understad this at all. I need your help ...

### 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 ...