# Please help find the rational roots of f(x)=4x^4 - 3x^3 + 2x^2 +x - 3 another is f(x)=-3x^3 - 2x^2 + x - 1 I tried but still confuse please help really really need help Thank you very much!

143,398 results, page 37

1. ### Physics, still don't get it!

I'm sorry bobpursley I don't understand your response, please clarify. When an object of mass m1 is hung on a vertical spring and set into vertical simple harmonic motion, its frequency is 12 Hz. When another object of mass m2 is hung on the spring along with m1, the frequency...
2. ### 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 ...

Fill in the following blanks to find other expressions for 5%: A: ___ for every 100 B: ___ for every 50 C: 1 for every ___ D: 8 for every ___ E: 0.5 for every ___ Please help, very confused by this problem.
4. ### English

what the purpose of the olympic torch/flame? The purpose of the olympic torch/flame is to give everyone the strength to protect themselves from danger and help struggle for victory. Can someone please give me a better purpose than this. I tried to fit these words in my answer...
5. ### Chemistry: Partial Pressure

A mixture of 0.166 moles of C is reacted with 0.117 moles of O2 in a sealed, 10 L vessel at 500 K, producing a mixture of CO and CO2. The total pressure is 0.640 atm. What is the partial pressure of CO? Please provide a step by step explanation with the answer so I can ...

Your bumper car is travelling at 2 m/s. The total mass of you and your car is 350 kg. An empty motionless bumper car with a mass of 250 kg is in your path. How fast in m/s will the empty bumper car move after you collide with it head on? I tried using (m1v1 + m2v2)/m1 + m2 = ...
7. ### Physics - please, I really need help

a car attempts to stop and slides 25.5m while accelerating at -4m/s^2. The car's initial velocity was 20m/s. Find the time the slide took. Note that the final velocity is not known and that you need a quadratic solution. I know the quadratic formula, but I'm not sure how to ...
8. ### College math

Can someone please assist me The problem reads "use the rule of 78 to find the payoff amount for the loan paid in full before the date" Finance charge: \$717 Total number of payments 41 Amount per payment \$155 Remaining payments when paid in full 10 Please help. Thanks in advance
9. ### Physics HELP!!!!!!!!

A recording engineer works in a soundproofed room that is 47.5 dB quieter than the outside. If the sound intensity in the room is 1.40 x 10^-10 W/m2, what is the intensity outside? I have done this numerous times and it is still wrong! -47.5 = 10 log (1.4x 10^-10/1x 10^-10) -...
10. ### physics

A 29 kg child, with a 4.5 kg backpack on his back, first stands on a sidewalk and then jumps up into the air. Find the magnitude and direction of the force on the sidewalk from the child when the child is (a) standing still and (b) in the air. Now find the magnitude and ...
11. ### Repost physics

PLEASE SOMEONE HELP ME!! I POSTED DOWN AT AROUND 10 something!! PLEASE!!! I NEED HELP!!!
12. ### Information Technology.

please could someone list 5 or more output deivces of a computer for me please.......

i am really confused about how to do comparison questions in history! anyone please tell me how!!!!!

what is the probability of not throwing 7 or doubles for 6 consecutives throws with a pair of dice? help please?!?!!
17. ### Trig Proofs

If y varies directly as x and y is 3 when x is 8, what is the constant of the variation? I don't understand what they are asking and how to solve this. Please help if you can! Thank you so much! :)
19. ### URGENT ALGEBRA

CAN ANYONE PLEASE HELP ME I HAVE NO CLUE WAT TO DO AND I AM SO CONFUSED HELP ANYONE PLEASE 4x-5y=-19 2x+17=y what is the solution of the system?

can someone please look at my earlier post on socials, I would like all the help i can get, thank you
21. ### music

What is the solution of x-4 is less than 4 and x + 4 is greater than 7 Please show how you did it so I can look at it and learn how to do them in the future Thanks
23. ### math

please can you help me solve the following equations and please can you show your method. thanks 1) 4x+3/5x-6 = x-1/x-6 2) 4x-5/1-6x = x+10/x-6 thanks once again

25. ### marketing

can you help me please to differentitae this follows... 1.synthetic vs. fabricating process what does it mean please i need your help

28. ### prealgebra

how do you solve this problem and can you help me please: wholesale price: \$13 and markup percent: 110% can u help please
29. ### Algebra I

What is a set notation? Please explain what it is and give examples as well please. It would help a lot. Thank you.
30. ### logic

what are three important thing for an evaluating and inequalities and abs. values please and thank you

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

Which of the following is the strongest reducing agent? a) Li+ b) Zn c) Sn d) H2 Is it Li? Can someone please explain what the answer is and why?
34. ### math

Multiple choice please help :) Which of the following is equivalent to one ampere? 10 s/10 C 10 C/10 m 1.5 C/1.5 s 15 C/10 s

40. ### FINANCE

hi! could someone give me a well known company with direct and indirect competitors ( at least 3) please!! please help me <3
41. ### Physics

Please help I have to do something but do not get what these words mean. Post heart rate Duration
43. ### math

Multiply 2/3 and 6/7 A. 4/7 B. 4/21 C. 12/21 D. 3/7 PLEASE HELP if you could please tell me all the answers for this mixed numbers practice if u know them

45. ### Math

Can the numbers 24, 32, 40 be the lengths of the three sides of a right triangle? Please explain why or why not thank you.
47. ### AP Chem

Please! This is urgent! I don't know how to do this. Determine the solubility at 25°C of Cd(IO3)2 in water and in 0.20 M CdCl2. Ksp of Cd(IO 3) 2 is 2.5 × 10 –8 at 25°C. Please help!
48. ### Science

The drawing shows an edge-on view of two planar surfaces thatintersect and are mutually perpendicular. Surface 1 has an area of 1.7 m^2, while surface 2 san area of 3.2 m^2. The electric field in the drawing is uniform andhas a magnitude of 250 N/C. Find the electrical flux ...
49. ### MACRO

Suppose last year's inflation rate was 5%, but Wall Street analysts expect this year's interest rate to be 4%. Which of the following correctly describes people's beliefs according to rational or adaptive expectations theories? A.) According to rational expectations, people ...

Determine whether the solution is basic, acidic, or neutral. Write net ionic equations to show how it behaves in aqueous solutions. 1) Fe2(SO4)3 I know it is acidic Do I do hydrolysis equations for the net ionic or do I do redox reactions?

can you please help me with this please. thank you. A small mass m hangs at rest from a vertical rope of length l that is fixed to the ceiling. A force then pushes on the mass, perpendicular to the taut rope at all times, until the rope is oriented at an angle delta and the ...
52. ### Economics

A buyer is usually not willing to spend a lot of time and energy researching the market when: c. savings to be made are small or d. prices vary but quality is still the same I read the text but I couldn't really find this exactly, both answers seem like they could be right but...
53. ### English

e.g. People were just standing still. (What is the part of speech of 'still' in the sentence? Adverb or adjective?))
54. ### Geometry

For questions 38-40 use the triangle. |\ 45° angles for the top of the | \ triangle and the bottom right | \C | \ 38: If a=12, find b | \ 39: If b=2,find c | \ 40: If c=12,find a -------- B. Is this pythagorean Therorem? When I try it that way it's not working out? Could ...
55. ### language arts

there are three words to use to fill in each blank... the words are 1. automatic 2. tenant 3.volley here are the sentences: 1. OCCUPANT is to _________ as CHILDISH is to JUVENILE 2. BY HAND is to _________ as PALE is to BRIGHT 3. BARRAGE is to _________ as TOUGH it to ...
56. ### Math

Could someone please explain to me how you get answers when you add a negative number to a negative number or a positive number to a positive number or a negative and positive number added together, because my teacher tried explaining it to me, but I'm completly lost. The ones...
57. ### speech

Can you please help me out with a speech? I'm in 10th grade at High School and we're doing speeches soon. I'm not lazy and trying to get someone to write a speech for me but I seriously suck at speeches and have no idea what to write or talk about. Can you please write me a ...

The probability that Shania is on time for school is 1/2. Find the probability that Shania arrives on time for school for the next 5 days. Express your answer as a percent, to the nearest tenth of a percent. A. 50% B. 15.6% C. 11.4% D. 3.1% ALSO, PLEASE EXPLAIN THOROUGHLY!! ...
59. ### Please tell me if i did this correct

Given the following frequency distribution, find the mean, variance, and standard deviation. Please show all of your work. Errors Frequency 51-53 9 54-56 19 57-59 16 60-62 24 63-65 25 This is what I got: Mean = 59.19 Variance = 1.43 Standard Deviation = 2.05
60. ### Math

Dedi has a rectangular pool in his backyard. The surface area of the pool in 30m^2 and the width is 5m. There are 4 lights, equally spaced along each of the longer sides of the pool, including a light at each corner. What is the shortest distance between two lights? I tried ...
61. ### Science

Still very confused 5. Darth Vader unleashed the power of the DARK SIDE (1225 watts) on the unsuspecting Jedi.If he did 727 joules of work how much time did it take? First I tried to divide it did not make sense then I multiple and did not make sense if I did multiple I would ...
62. ### CountIblis, can i bother you

Countiblis, i know that you might be busy do you mind if i ask you the following for help.Only if you can please. can you explain to me just one more thing so i can undestand it. Now i have an equation which is : 3x = 3x + 5 which I know has no solution to it, now whereas the ...
63. ### Chemistry

if i place C6H14 and KI in a test tube, then some metal salt (MNO3) is added... If the M+ reacts with and oxidizes the I, What color is c6h14? I think its purple.. but im not sure why it would be that color .. :S .. care to explain please ? and if it doesnt react .. what color...
64. ### Algebra

I need to test the integral bounds for the roots. 6x^3-7x^2+7x+9=0 I used synthetic division to find my answer. 1 6 -7 7 9 6 -1 6 6 -1 6 15 0 6 -7 7 9 0 0 0 6 -7 7 9 -1 6 -7 7 9 -6 13 20 6 -13 20 29 2 6 -7 7 9 12 10 34 6 5 17 43 my answer: -1<x<1 I don't understand why ...
65. ### math

find the three cuberoots of 8( cos 264 + jsin 264) and state which is the principal cuberoot. Show all three roots on an argand diagram.

what exactly is a prime factor would x-5 x+5 and x2+25 all be prime factors of x4-625? Yes, I believe those would be the prime factors. x^4 - 625 can be factored into (x^2 -25)(x^2 + 25) and once again into (x-5)(x+5)(x^2 + 25) That is what you have done. Any additional ...
67. ### Algebra

With the polynomial: f(x) = 5x^3 + 8x^2 -4x + 3 a. The Fundamental Theorem of Algebra states that this polynomial has ______ roots. b. Find f(-x).
68. ### Science

I am trying to find examples of how the human body uses diffusion and osmosis. I have tried searching using various combinations, but have been unable to find any examples. Any suggestions on where I might look to find examples? Thanks
69. ### chem

ive tried the ice method but i keep on getting it wrong please help. If the initial pressure of NH3(g) is 3.168 atm, calculate the % decomposition of NH3(g) when the reaction comes to equilibrium according to the balanced equation. The value of Kp at 427.0 °C is 12800.00. The...
70. ### Algebra

If anyone could please just look these over: The given measures are the perimeters of squares. Find (a) the length of a side and (b) the area of the square. Perimeters: 1.) 20 cm 2.) 100mm 3.) 4ft 4.) 2in 5.) 2.8m My answers: 1.) a- 5cm b- 25cm squared 2.) a- 25 mm b- 625mm ...
71. ### Social Studies

Past President John Quincy Adams said of the Missouri Compromise that it was “but a title page to a great and tragic volume.” Past President Thomas Jefferson remarked that the Missouri Compromise was “a fire bell in the night.” (or a warning bell). What are these two ...
72. ### Physics

A converging lens (f = 27.5 cm) is used to project an image of an object onto a screen. The object and the screen are 113 cm apart, and between them the lens can be placed at either of two locations. Find the two object distances. (Enter your answers from smallest to largest...
73. ### Chemistry

HELP PLEASE. I have no idea how to set this up. I tried using the q=mc(change in temp) equation but its not working out. A 59.8 g block of an unknown metal at 87.5 degrees Celsius was dropped into an insulated vesssel containing approximately 33 g of ice and 23 g of water at 0...
74. ### Pre-Cal

Solve the given equation. (Enter your answers as a comma-separated list. Let k be any integer. Round terms to two decimal places where appropriate.) cos θ = −1/2 1).θ= Answer-->(2π/3)+2πn, 4π/3+2πn 2). List six specific solutions a). b). ...
75. ### journalism

Hi I'm supposed to write a story on the school's CSTs scores and eve though I have tried, I haven't been able to find a website with school's scores. If you could find it, I would be very pleased. Thank you in advance Thank you for using the Jiskha Homework Help Forum. If you ...
76. ### bio 106

List foods that you find in the store from each plant part listed below: a. roots or underground stems b.leaves c.seeds or nuts d.. flowers or flower bud e.fruits f. aboveground stems
77. ### algebra

write (27a^-3)^(-2/3) in simplest form. solve log(6x+11)=2 please and thanks I am not going to give you the answers. I will be happy to critique your work. In the first, remember that (a^b)^c= a^bc I am not looking for the answers. And I told you: I'm not quite sure what to do...
78. ### Math

A message was encoded using the matrix [7 2 3 1] and you can decode the message 2 numbers at a time in a [1 x 2] matrix. Here are the first four numbers: 66 21 119 35 I know it's coded row matrix times the decoder = the uncoded row matrix. (The key is A=1, B=2, etc.) I'm just ...
79. ### Trigonometry and Analysis

Oscar has twice as many pennies than he has dimes. All together he has \$.84. How many dimes and pennies does he have? I tried to solve this, but I know I did it wrong, because I got a decimal for the amount of dimes. Here's what I did: P=D*2 (.01)(P)+(.10)(D)=.84 (.01)(D*2)+(....

Sheds R Us sells \$600 sheds on a monthly payment plan over 2 years. a) If the interest rate is 1.5% per month, find the monthly payment. Answer = \$ b) If instead the interest rate is 1.75% per month, find the monthly payment Answer = \$ can anyone help me with which format i ...

(-3)^3-(-8)(-2)= -3 to the 3 power is -27 subtract -27 - -8 = -19 multiply by -2 =38 is this right please help (-3)^3-(-8)(-2) Use BODMAS rule So the answer is (-3)^3-16 ==>-27-16 =-43

83. ### trigonometry

Please solve this equation. As you write down the steps, please give me a description on what you did. y^3 - 16y^1/2 + 64 = 0
84. ### Trig.

Please solve this equation. As you write down the steps, please give me a description on what you did. y^3 - 16y^3/2 + 64 = 0

How do you do a word cited page? please help me so confused. Paper due tomorrow. Thank you
86. ### math

PLEASE EXPLAIN HOW I CAN SOLVE MIXED NUMBERS PLEASE GIVE ME A EXAMPLE FOR PARTS THAT ARE SHADED THANKS
87. ### Math -please check me

what is the perimeter of a rectangle if the length is 5/9 cm and the width is 2/9 cm? a. 5/9 cm b. 1 5/9cm c. 7/9 cm d. 1 7/9 cm the answer I got was 14/9 please help me.
88. ### English

Can you please tell me what a teen's life was like durin WWII? Please include sources
89. ### algebra

i don't know how to do this with the fractions. can you please please help? simplify the expression and combine like terms. 2n^2+4m n^2-m _______ + ______ 3 3
90. ### Algebra

Can someone please tell me what the domain of the following equation is? Please explain how you got that answer. g(x)=5^x
91. ### science

PLease someone help me!!! What are some of the names of acids and alkalis that are in shampoo!!! PLEASE HELP MEEEEEEEEEEE!!! thank youuuuuuuuuuuu!!!
92. ### algebra

can someone please check my answer for me? 6-2x=6x-10x+14 I got x=-2 is this correct? if not please let me know which step I missed.. thank you
93. ### Algebra 1

Formulas: Please solve the equation for x. y=2/3x+8 2/3 is a fraction. PLEASE SHOW YOUR WORK I REALLY NEED HELP.
94. ### Algebra 2 honours

can someone please tell me how to factor out (x^6+1)^4? please show me how you got the answer... Thank You... :D

Can someone please go over my posts quickly, I was waiting for a response since yesterday:-(
96. ### math

Please help me answer this.. Suppose that 2^(x/2)= p 3^(x/3-1)= q [5^(x/2)]/3 = r Express (0.48)^x in terms of p, q and/ or r. this question came from our reviewer.. please and thank you!