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 42

1. Math - need help ASAP!! Please!

The question relates to application of sine functions. -------------- A carnival Ferris wheel with a radius of 7m makes one complete revolution every 16 seconds. The bottom of the wheel is 1.5m above the ground. a) Draw a sketch to show a person's height (h) above the ground ...
2. College Chemistry

I think this should be easy but im stuck. Please help: Suppose a compound could point in any of two directions in the solid and still have the same energy. How many molecules would there be if the total entropy of a solid sample of this compound was 8.174e-9J/K I used S= klnW ...

My, My, My My, My, My The World running by Way too fast fo your eye Could we slow it down Just to say goodbye Or am I even justified because of all the lies Could we slow it down Or will we just die My, My, My I will miss my life as the days go by And yet, I still wont cry I ...
4. To Desire

Your posts have been removed, mainly because you have given absolutely no thought to how you'll solve those problems in your assignment. In the future, please remember these things: 1. This is a homework help website; please put your subject (math, science, English, or ??) in ...
5. Applied Chemistry Project Help!!!

Research and describe one current application of the knowledge of the atom. This application can be in any field of your choice. This means the field can be scientific, such as medicine, or nonscientific, such as entertainment. The purpose of this assignment is to learn the ...
6. Algebra

Please check all of my answers and tell me if they are right. 1.   What is the simplified form of the following expression? 7m^2 + 6.5n – 4n + 2.5m^2 – n (1 point) A. 9.5m^2 + 1.5n*** B. 4.5m^2 + 1.5n C. 1.5m^2 – 4.2n D. 9.5m^2 – 1.5n 2.   Simplify the ...

please tell me where and how i can find daycare equipment on low prices or on sale in the Atlanta Georgia area. i don't know where to look for basic daycare equipment like tables, chairs, boards, sleeping mats, and playground equipment for children of ages 3-4. any help is ...
8. diffeq

how do i find the bifurcation for this: d^x/dt^2 = -.3 x - (x - 1)/((x - 1)^2 + a^2)^(3/2) - (x + 1)/((x + 1)^2 + a^2)^(3/2) we've tried using mathematica but it just runs forever...
9. Algebra 1

s(x)=1/5x^2 Can anyone help me find the vertex of this equation and the line of symmetry I tried to do it but am finding in difficult. Thanks.
10. science

Lab 1.1 Can somebody please, please help me with this lab?! I know it requires sketching and modeling which only i can do , but please, any help will be appreciated. I find these labs so hard to do, but my teacher said there's no alternative assignment and I HAVE to do them. ...
11. science

Lab 1.1 Can somebody please, please help me with this lab?! I know it requires sketching and modeling which only i can do , but please, any help will be appreciated. I find these labs so hard to do, but my teacher said there's no alternative assignment and I HAVE to do them. ...
12. Chemistry

separate this redox reaction into its component half-reactions. O2 + 4Cu-->2CuO Oxidation half-reaction: ? Reduction half-reaction: ? I believe that the Oxidation is copper and that reduction is oxygen. So I tried to write it as 4Cu^+ --> 4Cu + 4e^- O2^2- +4e^- ---> ...
13. PHYSiCS --

A pendulum makes 120 complete oscillations in 3.00 minutes at a location where g= 9.98m/s^2 Find the period of the period Find the length I tried using the 2pi sqrt. L/g formula I don't know why I got this huge number
14. Algebra

can you please help me with this problem: 30y2^ + 60y + 300 = 5y2^ + 120y -24 25y - 60y + 324 = 0 used the quadratic equation (used the square root) x = -60 (60)2^ - 4(25)(324) / 50 x = -60 (3600 + 32,400)/50 x = -60 +or minus(-28,800) / 50 x = -60 + 169.706 / 50 = 109.706/50 ...
15. Algebra

Use the rational zeros theorem to list the potential reational zeros of the polynomial function. Do not attempt to find the zeros. f(x)=6x^4+9x^3+30x^2+63x+28
16. Algebra

Find a polynomial function of lowest degree with rational coefficients that has the given numbers as some of its zeros.    3-i,sqrt2 f(x)=??
17. Chemistry

"Suppose some sort of clamp is applied to hold an electron fixed at the distance of 2.5 Angstroms from a lithium nucleus Li3+ which is also clamped into position. Calculate the magnitude of the force between the two fixed particles." The books says the answer is: -2.304 x 10^-...
18. TX History

Which tactical mistake by Santa Anna gave the Texans a major geographic advantage just before Sam Houston had his men begin their attack ? a) He decided to take no prisoners of war b) He split his large army into five columns c) He tried to capture the Texas government at ...
19. PHYSICS. HELP.

A motorboat heads due west at 10 m/s. The river has a current that travels south at 6 m/s. a) what is the resultant velocity? b) If the river is 200 m wide, how long doe sit take the boat to cross the river? c) How far downstream is the boat when it reaches the other side? ...
20. testing of materials

Could you please show me how to solve this problem ! A soil sample is 5.08 cm in diameter and 47.3 mm high. Find volume in cm^3. Also find density (g/cm^3) if its mass is 137.33 g.
21. Math

Use a double or half angle identity to find the exact value of the following expression: if cos x= 4/5 and 270° < x < 360°, find sin 2x Please help! Thanks
22. physics

Can anyone please help me with this? Find the force acting on a 12,500 kg F4 Phantom jet in the following situations: 1. It is catapulted from rest to 250 km/hr in 2.2 seconds. How can I find the acceleration for this problem??

Hi Ms. Sue, can you please give me links to find the answers to these questions? I have looked everywhere!!!! Thanks!!! What other Things did the Telegraph lead to? What was Life Like Before The Telegraph? What Was Life Like After The Telegraph? What are The Positive And ...

suppose a species od flowering plant produces primarily blue flowers but also some very pale blue (almost white) flowers the blue color attracts pollinators but the white color does not herbivores feed on this plant and locate it by its blue flower color the white flower color...
25. Math

I was wondering if you can help me with math real quickly. I just cant figure this out. For the first question I have to find the surface area for the given cylinder. I have to use 3.14 and round to the nearest whole number. The radius is 6ft and the height is 20 ft. A. 180 ...
26. Math

The following rational function describes blood concentration of a certain drug taken via IV over time, find a. the horizontal or oblique asymptotes b. the vertical asymptote c. describe their possible meanings f(x)= x+1/x
27. education

I needs some help please, I need to create a list of the top ten characteristics of a multicultural school environment. Could someone help me please?

Rewrite each polynomial as the product of two binomials. 1. y^2 + 6y + 9 2. 25x^2 - 10x + 1 3. 36 - y^2 I don't understand how to do these problems, especially what the direction is telling me to do. Someone help me please?
29. english

when the legends die by hal borland when tom reflects that he succeeded in killing the past, what does he mean? why did he need to kill it, and how did he? please please help me .
30. science

Please help. I have been trying to figure this problem out for an hour now. Solve the following system of equations. X + 8y = 5 (1) x=8-8y (2)
32. Chemistry

I am a being from another planet, please explain to me which is alive: a clock or a fish? Compare the two, similarities and differences.Can you help me answer this question ? thank you.
34. Calc

The total area enclosed by the graphs of y=10x^2-x^3+x y=x^2+19x Please Please help me solve this. I have done it amny times, but getting it wrong

36. Science

Please Help Thank you. If you had to argue the benefits of wind energy, what would they be? and What are the risks? can you please answer these question in 120 words or more Thank you.
37. Physics

How long would it take a fighter jet to accelerate from 0 to 250m/s if the force from the engine was 180000N and the mass was 10000kg ? please help please

Will someone please help me withthis question I couldn't solve it. What is the length of the segment whose endpoints are A(2, 3) and B(10, 7)? a)2 Sqrroot29 b)2 Sqrroot41 c)4 Sqrroot2 d)2 Sqrroot5
40. mathURGENT!!!!!!

what is the greatest value of m such that 25!/5^m is an integer? hint: the exclamation point means "factorial". 3!=3*2*1=6 4!=4*3*2*1=24 etc. please answer and explain how you got it!!!!please???
41. Science ~ Structures and Properties of Matter

How do the principles of convection, conduction, and radiation explain how the water in the saucepan gets hot? Help ME PLEASE! PLEASE

I was wondering who won the French and Indian War, I decided to ask my mom, and my little sister says.. George Washington!! well, I know that isn't the answer, haha, help please?

Explain how transportation innovations of the time period affected migration patterns in the united states. Can someone help me with this please?
44. English

So, we were asked to write an essay pertaining to the question: "How does *war poetry* 'shape' our world?" I'm stuck with finding three reasons. I have an idea of one reason - "it is able to recite the story of the soldiers and their views in a more complex and emotional ...
45. math

There are 10 different pairs of shoes in a wardrobe. Find the probability of the event that there is at least one pair among them in choosing 4 shoes by chance. Express your answer in rational form.
46. Physics

I have to create a teaching aid for physics based on the principles i have learnt like gravitation , mechanical properties and many more. I am not able to find the right experiment to demonstrate infront of my teacher.Please help me deal with this by providing information ...
47. Physics

I have to create a teaching aid for physics based on the principles i have learnt like gravitation , mechanical properties and many more. I am not able to find the right experiment to demonstrate infront of my teacher.Please help me deal with this by providing information ...

Andrew decides to wait until age 65 to begin receiving social security benefits. Find the present value of his estimated \$26,000 per year in payment assuming 6%per year and payment until his 90th birthday. A. \$265,263.20 B. \$322,3667.36 C. \$338,082.42 D. \$281,059.48 (Please ...

A wedge is cut from a right circular cylinder of radius r by two planes, one perpendicular to the axis of the cylinder and the other making an angle (beta) with the first. Find the volume of the wedge by slicing perpendicular to the y-axis. Please show all steps Note: this is ...

1) Two angles are complementary. The measure of one angle is 21 more than twice the measure of the other angle. Find the measure of the angles. 2) If a supplement of an angle has a measure 78 less than the measure of the angle, what are the measures of the angles? Please don't...

Krystal grilled 21 burgers at a block party. She grilled the same number of pounds of turkey burgers as hamburgers. Each turkey burger weighed 1/4 punds and each hamburger weighed 1/3 pound. How many of each did Krystal grill? ~Please help me and provide an explanation for ...
52. math

i would like any help or suggestions you have please as i am very stcuk on these questions thanks here is the scene: each phone call made to the emergency services has probability 0.02 that it is not legitimate. assume that the legitimacy of one call is independant of weather ...
53. English

Please check for any errors. If there are some errors please correct them for me. When you were in my office last Tuesday, you stated that you wanted to alter your will to include two additional heirs. I have now prepared a will in compliance with your instructions. Please ...
54. ENGLISH

Please check for any errors. If there are some errors please correct them for me. When you were in my office last Tuesday, you stated that you wanted to alter your will to include two additional heirs. I have now prepared a will in compliance with your instructions. Please ...
55. ENGLISH

Please check for any errors. If there are some errors please correct them for me. When you were in my office last Tuesday, you stated that you wanted to alter your will to include two additional heirs. I have now prepared a will in compliance with your instructions. Please ...
56. Integrating Factors

I've been working on this hw problem for a while now, but I'm stuck in the integration process. I'm pretty sure I made an error, cause I can't seem to be able to integrate the right side of the equation. Q: (1/(x^(2)+1))y' + xy = 3 using the equation d/dx(ry)=f(x)r(x) I found ...
57. Science

If a ball is thrown upward on Mars with an initial velocity of 10.0 m/s and lands 1.50 m below its launch point 5.54 seconds after it is thrown , what is the local acceleration due to gravity one Mars .... Plzzzzzzzzz answer it's really important I have to submit it tomorrow...

PLEASE HELP!! sin(theta)= 1/3 pi/2 < theta < pi Find: cos(theta)= ______ ? tan(theta)= ______ ? cot(theta)= ______ ? sec(theta)= ______ ? csc(theta)= ______ ?
59. XD

In a 24 km race, during which each runner maintains a constant speed throughout, Alice crosses the finish line while Becky is still 8 km from finishing and Caitlin is 12 km from finishing. When Becky crosses the finish line, Caitlin still has d kilometers to go. Find all ...
60. EDU310

please help me with this two questions I am in the hospital because i have a car accident please help 1- There are many groups that influence education in schools today. Who are these stakeholders and how do they impact the way children are educated in America. 2- How has the ...
61. English- URGENT! due date tommorow!!

my teach gave me a project in which i have to make my own advertisement on a product of my choice. i have no idea what product i shud use!! please help!! The due date is tommorow and i still havent done it!!
62. ART

i need to describe my public identity by drawing. can you please give me some ideas? please? i want to know your public identity so that i understand mine. i don't know anything ... but is it ok if i say, i catch the bus to school everyday and i like shopping... i don't know ...
63. COURSE HELP PLEASE ms sue qq

What course should i really take if i want to be a pediatrician ? COURSE HELP PLEASE - Ms. Sue, Friday, January 31, 2014 at 11:47am You should take all of the hardest courses offered, especially in math and sciences. ================ HI what are those ? really all ? not just ...
64. hypothesis testing by mean levels

hi everyone... i have this homework.. i tried to solve it... can anyone check if it's right or not, please?? Question: The maximum acceptable level of a certain toxic chemical in vegetables has been set at 0.2 parts per million (ppm). A consumer health group measured the level...
65. math(help)

please answer this one question because im clueless lol!!! A number is written with the following factorization:2exponet is 3 multiplied 4 multplied 5. is this factorization a prime factorization?please explain to me or why not?if its not correct,please give me the correct ...
66. College Math - Quantitative Reasoning

Hello, I could really use some help with this problem. If the national economy shrank at an annual rate of 7​% per year for three consecutive​ years, then the economy shrank by 21​% over the three​-year period. - Of course, I understand 7% would be 93. I have tried ...
67. computers

Dear Sir, thanks very much for your the very detail instruction which I am still working on it. I need some help in using Microsoft Excel to format rational number in the form a/b( not in reduced form :eg. 3/6 but Excel will return value either in reduced form 1/2 or .5). What...
68. Algebra

Now this next question I unfortunately don't get at all: ~Chow Li is planting a border of 48 seedlings that will completely surround a rectangular garden plot. He wants to plant the seedlings 2 feet apart. If the garden plot is to be 30 feet long, how wide should it be?~ Can ...
69. Physics

The Victoria Falls is the tallest waterfall on Earth measuring 108 meters at its highest point. How long will it take for a single drop of water to fall over its edge into the chasm below? Please check answer, if I am doing it incorrectly help me set it up. the last person who...
70. technoligy

1. What function would you use to find the mean in a microsoft(R) excel document a=ROUND b=AVERAGE c=SUM d=HYPERLINK 2. What is the first thing you should do to find the mean and range of data? a=put the numbers in order from least to greatest b=count the numbers c= add the ...
71. technoligy

1. What function would you use to find the mean in a microsoft(R) excel document a=ROUND b=AVERAGE c=SUM d=HYPERLINK 2. What is the first thing you should do to find the mean and range of data? a=put the numbers in order from least to greatest b=count the numbers c= add the ...
72. Algebra2 again

How do you: Complete the square as an aid in graphing. [I put exponents in ().] y = x(2) + 4x - 2 Please Help? The complete square of the x^2 binomial is x^2 + 4x + 4 = (x+2)^2 Therefore, add 6 to each side of the equation and you will have this still-valid equation with a ...
73. science

6 FeCl2(aq) + K2Cr2O7(aq) + 14 HCl(aq) ==> 6 FeCl3(aq) + 2 CrCl3(aq) + 2 KCl(aq) + 7 H2O(l) How many milliliters of 0.0750 M K2Cr2O7(aq) will react with 0.038 mol of FeCl2(aq)? I used the equation Molarity=Mole/Volume and divided my answer by 1000 to get milliliters. I'm ...
74. Chemistry

6 FeCl2(aq) + K2Cr2O7(aq) + 14 HCl(aq) ==> 6 FeCl3(aq) + 2 CrCl3(aq) + 2 KCl(aq) + 7 H2O(l) How many milliliters of 0.0750 M K2Cr2O7(aq) will react with 0.038 mol of FeCl2(aq)? I used the equation Molarity=Mole/Volume and divided my answer by 1000 to get milliliters. I'm ...
75. Science

Name two types of evidence used to support the theory of evolution. Explain how scientists use each type of evidence to provide support for evolution. Give one example of each. I need 6 sentences please help I still need to finish other classes and I only have 3 days
76. English

1. I feel painful in the stomach. 1-1. I feel painful on the stomach. (Which one is correct?) 2. The first seed was bigger than the second seed at first. However it was afraid of the cold. So it didn't try to go out. It waited for warm weather. However, the second seed wanted ...
77. rounding to sig figs

round the following to THREE significant figures: i tried some of them...please check to see if i did them right...thank you a) 356,309 a. Answer: 356,000 b) 0.05738949 a. Answer: 0.0574 c) 0.05999999 a. Answer: 0.0510 d) 583,689 a. Answer: 584,000 e) 3,556 a. Answer: 3,560 f...
78. found of tech

Lab 1.1 Can somebody please, please help me with this lab?! I know it requires sketching and modeling which only i can do , but please, any help will be appreciated. I find these labs so hard to do, but my teacher said there's no alternative assignment and I HAVE to do them. ...

12. Write a sequence of transformations that maps triangle ABC onto triangle A''B''C''. It is a graph, so here are the coordinates: A is 1,8 B is 3,12 C is 4,4 A'' is 3, -3 B'' is 5, -6 C'' is 6, 2 Please help! I have no idea how to write a "sequence of transformations "!! I ...
80. Algebra Work Check

Find the roots of x^4 - 16 = 0. √ x^4 = √ 16 x^2 = 4 √ x^2 = ± √ 4 2,-2
81. micro

Homework or not, you need to post your question and how far you've gotten in your thinking toward the "answer" in order for someone here to be helpful to you. Please be patient and wait for someone with economics expertise to respond to you. Thanks. that's not homework.the ...

Which of these statements about saltwater is correct? Saltwater freezes at a lower temperature Saltwater freezes at a higher temperature Saltwater does not freeze at any temperature Saltwaters freezing point depends on the temperature of the ocean floor***** PLEASE HELP ME
83. English

Does this sentence make sense. Students may not still have a sweet tooth by Thanksgiving. OR Would it be more correct to leave the still out?
84. Math ~CHECK MY WORK PLEASE~

Briana is allowed to watch no more than 5 hours of T.V a week. So far this week, she has watched 1.5 hours. Write and solve an inequality to show how many hours of T.V Briana can still watch this week. MY ANSWER: T<5 T - 1.5 < 5 - 1.5 T = 3.5
85. Socials Studies *URGENT*

Research Territory, Food, Shelter, Transportation and Effect of European contact for Ojibwa, Assiniboin, Cree, Chipewyan, Inuit. Please help this is URGENT. I can't seem to find "Effects of European contact" for any of the groups. Although I don't quite understand what it ...
86. Government

his meaning as his own words impar, and still more conclusively as illustrated by the example in his eye, can amount to no more than this, that where the whole power of one department is exercised by the same hands which possess the whold power of another department , the ...
87. Math

I still do not understand Today was my first day learning how to add 3 sets of fractions with different denominators and I did not get it. I need help with the following please. 1/8 + 1/2 + 3/4 = Waht is the LCM? Answer 8. So convert all the other denominators to eights. 1/8...
88. PRECALCULUS

1.) determine two pairs of polar coordinates for the point (-4sqrt3, 4sqrt3)with 0degrees less than or equal to theta less than or equal to 360degrees 2.) Use DeMoivre's Theorem to find (1-i)^10. write your answer in the form a+bi. 3.) Find the cube roots of -8. Write your ...
89. chemistry abs spectrum and wavelength

Hello, can someone please help me? I'm stuck on a question: I'm doing an analysis of the absorbance of FeSCN2+ at it's max wavelength (i.e. 450nm where abs=0.154)The species I used to make the solution tested were Fe(NO3)3, HNO3, and KSCN. Now, the question is: Suppose there ...

1. What groups did Roosevelt's last New Deal programs try to help? A: Roosevelt's last New Deal programs tried to help the nation's poor and tenant farmers. 2. What was the legacy of Roosevelt's New Deal? A: The New Deal expanded the role of the federal government in society ...
91. psychology

What is the realm of mind and consciousness? Could some one explain to me what Realm means in this question I do not want the answer to the question just what realm means I have look at the dictionary and still have no glue what the instructor is wanting in this question ...

A scuba diver has an air tank with a volume of 0.010 m^3. The air in the tank is initially at a pressure of 1.0x10^7 Pa. Assume that the diver breathes 0.400 L/s of air. Find how long the tank will last at a depth of each of the following. (a) 1.0 m min (b) 10.0 m min Please ...
93. Chemistry

A silicon chip is used in an integrated circuit of a microcomputer has a mass of 5.68 mg. How many Si Atoms are present in this chip. Okay here is how I worked it. Can someone please tell me if its right? 1 mole of Si = 28.086g = 6.022 x 10^23 5.68mg of Si 1g/1000mg = .00568g ...
94. physics

A mass of 5.6 kg lies at the top of a frictionless incline. It is inclined at an angle such that the normal force on the mass is 30 Newtons. If the length of the incline is 58 meters and the mass is originally at rest at the top of the incline and then released, how long does ...
95. English

1. Let me call roll to make sure you're all here. 2. Let's decide the turns first. Who would like to go first? 3. Could you please fetch it from the staff room? 4. Could you please fetch it from the teachers' room? 5. Could you please fetch it from the teacher's room...
96. Math Help Plz fast

13. Describe the number of solutions for the equation. 10(x-2)=10x A.) one solution B.) no solution C.) infinite solutions*** 14. Describe the number of solutions for the equation. -2(y-3)=2y-6 A.)one solution B.)no solution*** C.)infinite solutions 18. Solve b-9>20. I don'...