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Last Question Plz helppp:((im soo sleepy!!:(

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Last Question Plz helppp:((im soo sleepy!!:(
1)The reaction between solid sodium and iron(III) oxide, Fe2O3(s), is one in a series of reactions that occurs when an automobile air bag inflates. 6Na(s) + Fe2O3(s) -> 3Na2o(s) + 2Fe(s) If 100.0 g of iron(III) oxide are used in this reaction, what mass of solid iron will ...

grade 12 math
i have a test tomarow and i am soo lost with this this question is on my review sheet 16^2 = 2^x how do i solve this tell me in detail plz ty :)

SCIENCE!!--ANONYMOUS PLEASE ANSWER MY QUESTION!
plz answer the question we were talking about plz plz. Go back to the problem. I got 184 but the worksheet answer says 136 which is correct?? plz help!! thx

Maths plz help
A test contain of 12 question out of which candidate are to answer 10.if the first 6 question are compulsory,in how many ways can each candidate select her question????? Plz show working

chemistry
In the Michaelis-Menten equation, KM = Ks only when the equilibrium assumption is valid. Which of the following conditions would have to be satisfied for Ks to be within 10% of KM? 1. k-1 = 0.9 × k2 2. k2 = 0.09 × k1 3. k2 = 0.9 × k-1 4. k-1 = 9.0 × k1 5. k2 = 0.09 × k-1 ...

Chemistry
OMG i'm soo screw for chem.. >_<ahhh i wonna drop it soo bad!!! PLEASE help me.... AND THANK U!!! Balance redox equations MnO4 - + HCO2H --> Mn^2+ + CO2 K2S3O6 + KClO + KOH --> K2SO4 + KCL + H2O

history
hi. I need to write a 5 page paper describing how Martin Luther King's leadership was not needed in the civil rights movement. I need a lot of help and information. Thank you soo soo much.

social studies
confucianism lost influence because__________ the sui and early tang dynasties . people wanted a more _________ escape that promised _________ from _________ (plz helppp)

Calculus i need help plz plz
If y=ws^3/d^4 find the % increase in 'y' when 'w' increases by 2% and 's' decreases by 3% and 'd' increasee by 1%...... There a little error in the first question i post here it is plz i need the working and explanation

LIVING ENVIRONMENT
the ability to grow in size is a characteristic of living organism .Although an icicle may grow in size over time,it is considered nonliving because there is 1)an incerase in matter ,but no increase in the number of icicle. 2)an interaction between the icicle and the ...

math
identify the value of x that makes each pair of the ratios equivalent x:4 and 45:20 A.8 B.9 C.10 plz plz plz plz help me!!!!!!!! PLZ!!!!!

computer
Hi my question is that that i`ve downloaded mozilla now my question is that by mistake i pressed a button and screen became too small of that site now how shall i make it back to normal as large as it was??? plz i need help coz i have to study so plz help me.

Physics plz
Do any teacher here have an email plz becouse I want to send some pictures for question ,,, physics plz or how can I attach picture here ????

I NEED HELP!!:(!!!! HELP ME PLZ!!
I GOT A FEW QUESTIONS SO what is a cell part that has the funcion of a gel-like material inside cells... and what releases energy into the cell.?? plz plz plz plz HELP!!!

math plz plz plz plz help plz .....thank you
mark bought a notebook for $1.45 and some pencils that cost $0.42 each if the total cost was 6.91,how many pencils did he buy A.12 B.13 C.14 D.15 is 14 the answer plz help thank you

Physics
Plz plz answer this question..... "what is ment by the energy-mass relationship?explain it with the help of examples.....

gatsby ENGLISH HELP PLZZ!!
what role does dan cody play in gatsby's development?? plz help the answer is 1 mark for my quiz but my teacher gave me only 1/2 a mark because i wrote "dan cody was the man who gatsby was with after he left home. gatsby worked for dan cody and that is where he made his wealth...

US HISTORY PLZ ANSWER MY QUESTION
name 1 person that was influential to delaware when it was first founded. plz n thnx!

physics(URGENT!!!!!)
EDXers!!! Plz help with MITx 8.01x I don't know how to solve HW8 Problem 3 Question c) Can anybody help me???? Explain Plz

Math 1 question plz help asap
Write an equivalent time using only the smallest unit. 3hrs 14 min A. 74 min B. 166 min C. 180 min D. 194 min I would give u an answer but I don't understand what the question means im asking if you could help me plz

physics
Plz plz answer this question..... I need this immediate.... "what is ment by the energy-mass relationship?explain it with the help of examples.....

social studies? i think idk
what new ideas came from the automobile? plz help plz plz plz ASAP

Math ....urgent help
i just don't get this elimination method ..... plz help me plz.....teach me how to keep the x and y in a parallel line. and which number to multiply.....plz help -5x-4y=-11 10x=-6-y help me plz......

SS plz help me plzzzzzzz
What are the two major forces that reshape earth? Describe how itworks. plz plz plz help me there are no answer choices hope u can still help

english
thank you Ms.Sue soo much,,, my question is if a sentence has an original statement with quotation marks may also have a comma? Is this true?

SS PLZ HELP ME ASAP
What are the two major forces that shape and reshape earth? Describe how each one works. plz plz plz help me there are no answer choices hope u can still help

sir steve sir reiny any 1 plz help me maths har
Question. Find the greatest common divisor d of 159 and 51, and find integers x and y solving the equation 159 x + 51 y = d . Answer. d = 3. The extended Euclidean algorithm gives x = 9 and y = -28. (There are other solutions for x and y; these are not unique.) plz show step ...

biology
a boy inherits genes for tallness,but his growth is limited as a result of poor nitrition. this is an example of 1)an inherited disorder. 2)environmental influence on gene expression . 3)expression of a hidden trait 4)a characterstic controlled by more than one pair of genes. ...

social studies
DO SOME RESEARCH ON JAMES 1. WRITE A CHARACTER SKECTH OF JAMES. WHAT DIRECTIONS WOULD YOU GIVE TO AN ACTOR ASKED TO PORTRAY JAME 1 IN A FILM? plz help me. i totally don't get this question. im failing social. the only thing i know is that, james was an intelligent man, but ...

Biology question plz
Which of the following depends on bacteria? conversion of dead organic matter to fossil fuel photosynthesis dissolution nitrogen fixation I think its A but I feel it could also be D, could you plz help?

plz plz help me belive me have tried
cosx+cosy=a and sinx+siny=b show that sin2x+sin2y=2ab(1-(2/(a^2+b^2)) plz plz show step

plz help english
my question is:- Complete the sentence below by interrupting it with two parallel if clauses: The problem of race relations, if………., and if………. must be solved. question is i wrote:- the problem of race relation, if it goes on increasing, and if it causes a major ...

Ela
How could I put all these words: 1. Submit 2. Omit 3. Missionary 4. Emit 5. Remittance 6. Emissary 7. Permission 8. Transmit 9. Admit 10. Premise in one paragraph plz help and answer the question not just give in a tip plz

Language Arts(1 question plz help)
which word that can be used to describe michah's personality has the most positive conntation? A. strange B. unique*** C. odd D. weird *****SOMEONE PLZ HELP ASAP I JUST GUESSED CUZ IDK WHAT THEY WANT******

Math 1 question plz help ASAP
A bah of oranges weighs 5 1/4. How much does 1 1/2 weigh?(that's the question my question is do we add, subtract, multiply or divide plzzzzzzzzz help meeeeee im new to this website =)

Geometry i need help urgently plz plz plz
The lenght of a line segement is of 10units and the co-ordinate of one end point are (2,-3) if the abscissa of the other end is 10 find the ordinate of the other end?? Working plz plz

chem
Hers's a question im not sure how to do Write a mechanism for the acid-catalyzed transesterification reaction of ethyl acetate with 1-butanol, which gives butyl acetate. Thank you soo much!!!!!!!!!!!!!!!!!!!!!!

Science 1 question help plz thank you
Which of the following is not true about bias. A. Personal bias involves the influence of your own likes and dislikes B. Ethical bias involves basing a conclusion on too little data C. Cultural bias is influence from culture in which you grew up D. Experimental bias is a ...

calculus help me plz too hard show step
charge Q coulombs at time t seconds is given by the differential equation RdQ/dt+Q/C=0, where c is the capacitance in farafd and R the resistance in ohms.solve the equation for Q given that Q=Qo where t=0 plz show step plz plz plz

Algebra
I know that I posted a similar question yesterday, but I am still confused about how to solve this. $1000 grows to $1440 in 2 years. My teacher taught us a way that involved square roots. Please help if you can! Thank you soo much!

MAth
Ok so basically we have to choose a topic of interest and then survey it... one that you can obtain numerical data from that has the potential to have responses with a significant amount of variation. and then create a question to ask/investigate. Be sure this question is a ...

5 th math
sorry, i was to sleepy my type got mess up. my question is if 8 counters are one whole, then what is half? if 9 counters are one whole, then what is one/third? please help my last one. !!

Math plz help it only one question
What is the volume of the rectangular prism? (there is a rectangular prism with a height of 7 mm width of 9.6 mm and a length of 5 mm) Plz help and can you show me how its done? thanks!

Genetics (plz check answer)
Question: Calculate the frequency of the AA, Aa, and aa genotypes after one generation if the initial population consists of 0.2 AA, 0.6 Aa, and 0.2 aa. What I have done is: P = (0.2)+(0.5)(0.6)= 0.50 q = 1-p = 1 - 0.50 = 0.50 Can someone check my answer plz.

bio (plz check answer)
Question: Calculate the frequency of the AA, Aa, and aa genotypes after one generation if the initial population consists of 0.2 AA, 0.6 Aa, and 0.2 aa. What I have done is: P = (0.2)+(0.5)(0.6)= 0.50 q = 1-p = 1 - 0.50 = 0.50 Can someone check my answer plz.

math
the volume of a rectangular solid is given by expressions given below.in each case find the dimentions of the solid. a)15x^2-51x+18. b)x^3+13x^2+32x+20. c)x^2-5x/2-3/2. d)x^4+x^3-x-1 plz everyone help me out.till 2 o'clock...plz plz plz

math
the volume of a rectangular solid is given by expressions given below.in each case find the dimentions of the solid. a)15x^2-51x+18. b)x^3+13x^2+32x+20. c)x^2-5x/2-3/2. d)x^4+x^3-x-1 plz everyone help me out.till 2 o'clock...plz plz plz

maths plz
∫√(x²+1)/(x+1)dx plz show step i know it messy plz i really need it

math test
ok this past week i was sick 4 2 days and i need 2 finish this math test by today!!!! and i didn't get 2 learn anything like u know, not practive soo plz anwser these questions: 1.what is a concave polygon 2.what are concentric cicles? 3. what does this mean: a polygon that is...

American Literature
What is the tone in The Legend of Sleepy Hollow?

sociology
How about -- class structure in your town or school? prejudice about a particular ethnic group? classroom group projects? perceptions about authority figures? sorry i wrote in dat language i need to do a project in sociology for 20 marks and i am not able to decide on a topic ...

pscychology
Could someone pretty plz plz plz help me...What are the 2 biggest parts of the human brain??

NEED Math Help ASAP PLZ!!!
I don't know how i got this question wrong. In a direct variation, the constant of proportionality is -3. Which of the following would be its equation? A) y = x - 3 B) -3y = x C) y = -3x D) -3 = xy I put A as my answer... but it says the answer is C! How is C the answer? PLZ ...

Math
If f(1)=-2 & f'(x)_< 1.8 for 1_< x_< 8, what is the largest possible value of f(8)? Can someone help me on this question and plz provid me some calculation for this question.

Maths plz help
X^x+y^y=31 x+y=5 plz help i was told to use newton litrate method plz help

english
what are the reasons why the students feel sleepy during classes?

physics
please tell me f(x)=rho_1*g*A the solution of which question I cannot understand plz give the 3 to 4 words of question as a hint

biology 11
i am soo stuck on this question please help. 3. It is hard to understand how seemingly random events like mating could lead to evolution in a particular direction. What must we understand about natural selection that would allow this to happen?

spanish
"Cual es la primera cosa que haces despues de levantarte?" "_____" a. me acuesto b. te vistes c. me visto d. te despiertas i'm soo stuck..the question means "what is the first thing you do after waking up?"..but i don't know what each of the choices means..PLEASE HELP!

social studies idk
how did the automobile negatively impact society???!!!?!?! PLZ help me I have been on it since morning plz pretty plz cherry on top help me

SOCIAL STUDIES 1 QUESTION PLZ HELP ASAP
How did European affect Africa during the 18 hundreds how did Africa Africans respond in the 1900 Plzzzzzz help I swear I have read my text read a link about but I still don't understand plz help!!!!!#

help plz
Which word is a synonym of the word evolve? a}recession b}decline c}progress d}retrogression p.s.ive been working on this same question for 1 month todaysthe last day i have can some1 plz just give me the answer plzzz lol btw:who likes boxing?0_o

present and past perticiple
The lion basking in the sun looked sleepy

random question
Do bears eat wolfs? plz help I need it for presentation also im new to this website so ya answer the question plzzzzzzzzzzzzzz

physics!! plz answer me!
A 0.15 kg baseball moving at +26 m/s is slowed to a stop by a catcher who exerts a constant force of -390 N. How long does it take this force to stop the ball? How far does the ball travel before stopping? plz plz plz help!!

General
This is a question to everybody: I was just wondering if anyone had any science related questions or things they wonder about that may require experiments. If you have any ideas please mention them. I need this for a science for a science fair project and have at most a 6 ...

maths
plz i cerious need help i posted dis qustion bt due 2 my wrong typing it was nt anser plz here it is:x^4+3x-2/(x^2+1)=Ax+B/(x^2+1)+Cx+D/(x^2+1)^2+(Ex+F)/(x^2+1)^3+G/(x-4)+(Hx+1)/(x-4)^2.find ABCDEFGH? plz it a partial fraction thank yo u and Godbless u

science
what difference would there be in the product cells at telophase II of the meiosis if there had been one crossing over at a position half way betwwen the huntington disease gene and the centromere from one pair of autosomes (chromosome 4)has a short arm and a long arm on the ...

Math help plz
Dresser is 3 3/4 feet from 8 foot ceiling .what height of dresser in feet . Plz answer the question , I try to do my mind is hurting could not figure out. My answer is 4. 75 ...I don't know if I m wrong or right.

MATH
I need help on this question plz The mean of Five numbers is 28. Two of the numbers are the same. If three of the numbers are 20,25, and 35,what are the other two numbers? plz write back asap thanks

CALC..plz help
hello again..i have another question... it says sketch the curve <3cost,t,2sint> i know the parametric equations are x=3cost y=t z=2sint but what do i do to sketch them..plz help me

chem
stilll didn't get it .. .. can u plz explain in detail ... how did u get the answer.. plz plz plz plz plzp l zp thnks Bond enthalpy is the energy required to break a mole of a certain type of bond. O=O = 495 kj/mol S-F = 327 kj/mol S=O = 523 kj/mol Use average bond enthalpies ...

Do I have enough time
I am going to bed at 8:30 it's 7:45 or 7:47 so do I have enough time to complete my eassy that's 4 paragraph plz tell me This is not a homework question but plz help me Thanks

English 9
Like i get that example but unforunutly i wouldnt be able to use that because if she searched she would say im plagiarizing :'( Soo. Would this work P.S. do u see reply if i stay on same question ?? William Shakespeare was literature's Jewel He shouldn't Be forgotten as a ...

Gr 12 math
I need to calculate the volume of a parallelepiped using the scalar triple product. I can do this if i have vectors. however instead we've been given 8 points which mark the corners. HELPPP this is the question: Calculate the volume of the parallelepiped with vertices at: (9,4...

Chemisty (Sig Figs)
this is my last question for the whole assigment and im soo glad!!! (9465 + 45 - 9.9) 8.1 X 10^6 i got 76950.e6 it said it was half right and said check your number of sig figs

Math
On the six tests in her social studies course, Jerelyn's score were 92, 78, 86, 92, 95, and 91. Determine the median and the mode of her scores. If Jerelyn took a seventh test and raised the mean of her scores exactly 1 point, what was her score on the seventh test? .......I ...

maths
sir steve plz am a little confuse (x-y)³=A(x+y) prove that (2x+y)dy/dx=x+2y if y is a function of x and x=e^t/(e^t+1) show that dy/dt=x(1-x)dy/dx plz explain to me very well sir damon answered that but i still dont get it If u want me to show my work i will do it sir plz plz ...

Reading
4. Which one of the following words is an example of a literal meaning for the noun dog? A. Mutt C. Cur B. Hound D. Canine 5. Whom does Irving describe as being “plump as a partridge”? A. Brom Bones C. Hans Van Ripper B. Katrina Van Tassel D. Baltus Van Tassel 6. What ...

Explain the question!
Question 1: Focus on stereotyping (in it’ many forms) and it’s positive and negative impacts in the workplace. Question 2: Focus on employee happiness and employee productivity and the relationship between these terms and behaviours Can anyone tell me what these questions ...

Ms.Sue (ONLY)
can you plz help me in science? PLZ HELP ME! YOU HELP ALL THE TIME! *begs* plz help! i am my knees!!!!! (really i am!) its called "science 8th grade"

grade 10 history
I have a SUPER HUGE project due called National History day and need lots of help with it, plz plz plz help!!!!!

Plz,plz help!
Can you help me write: real-world scenario in which you would write an inequality rather than an equation? Plz, I really need help! :D

maths sir steve plz reiny plz sir damon plz help
express 1.1 in surd form pllllllz step

Calculus i need help plz plz
Integrate:Sinxcosx/a^2cos^2(x)+b^2sin^2(x))dx??? plz i need the full working too hard for me

math plz help ;-;
What is the y-coordinate of the y-intercept of the linear equation 2x - 3y = 12? Plz help I don't understand how to do this can you show me step by step plz, sorry ;-;

maths sir steve plz reiny plz sir damon plz help
express 1.1 in surd form pllllllz

Math HELPPP
In a survey of 2000 adults 50 years and older of whom 40% were retired and 60% were pre-retired, the following question was asked: Do you expect your income needs to vary from year to year in retirement? Of those who were retired, 33% answered no, and 67% answered yes. Of ...

HISTORY!! help plz and thannks
what are protective tariffs and the factory system? I want to know what a factory system si because the question is Why was the factory system beneficial to Canadians. help plz and thank u!

Math help plz
How thick is a pile of paper? Find a relationship between the number of folds and the number of layers. Note your observations. Number of folds Number of layers 0 1 1 2 2 4 3 8 4 14 5 23 Plz help im so stuck on this question Are you sure 4 14 and 5 23 are copied right? If so I...

calculus too hard
the velocity of a chemical reaction is given by dx/dx=k(a-x) where x is the amount transfered in time t,k is a constant and a is the condition at time t=0 when c=0 solve the equation and determine x in terms of t? Plz show work plz plz

MATH
f(x)=x/x^2 – x simplify g(x)=????helppp

Physics HELPPP
(0 m/s)^2 - (23.7 m/s)^2 divided by 2(9.00 m/s)^2 ?

plz plz plz help in science
An elastic object strikes to ground and compress when it touches the ground. What is energy transformation? a- gravitational to electric b- electric to gravitational c- A ---Answer i don't know which one is right for the second one. A study shows treatment of peptic ulcer with...

Math
Write a brief answer to each question. Provide examples. a) When is the sum or difference of two monomials a monomial? b) When is the product of two monomials a monomial? c) When is the quotient of two monomials a monomials? Plz help, the questions confuse me. I have no clue ...

1question last one plz help meeeeeeeeeeeeeeeeeeeee
5. Identify the benefits that your space mission might provide for modern society. Explore the possibility of connecting your space mission with satellites that are already gathering information as they orbit Earth. I DON'T UNDERSTAND THIS ONE QUESTION I UNDERSTAND THE REST...

Vector Calculus
Hello...i had a question. I would really appreciate it if someone could help me...tnx in advance! K my question is Find the T(t) , N(t), B(t) for r(t)=<2sint,2cost,t>; t=pie/4 ...which are normal vectors, binomial vector and i am not sure about T(T)...anyhow...i have the...

math
A water balloon is shot into the air so that its height h, in metres, after t seconds is h = —4.9t^2 + 27t + 2.4 a)How high is the balloon after 1 s? b)For how long is the balloon more than 30 m high? c)What is the maximum height reached by the balloon? d)When will the ...

Algebra HELP!!
Plz help me!! And what is your question?

Percentage
34=54%x? How to do this question. Plz help ...

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