Questions Asked on
February 19, 2009

math
ab+cd=34 ac+bd=38 ad+bc=43 what is a+b+c+d=? multiple choice: a)15 b)16 c)17 d)18 e)19 First, I tried guessing and testing, but couldn't find the correct answer. Then I tried isolating a a=(34cd)/b I'm stuck, there are too many variables
asked by sh 
chemistry
A current of 0.965 A is passed through 500 ml of 0.2 M solution of ZnSO4 for 10 min. The molarity of Zn2+ after deposition of Zn is 1. 0.1M 2. 0.5M 3. 0.8M 4. 0.194M
asked by hriday 
mathhelp solve please
find out how long it takes a $2700 investment to double if it is invested by 7% compounded semiannually. Round to the nearest tenth of a year . Use the formula A=P[1+r/n]^nt
asked by tasha 
math need now
solve the equation by expressing each side as a power of the same base and then equating exponents 3125^x=1/square root 5
asked by amber 
Math
What is half of 3/4?
asked by Stephanie 
spanish sra jmcguin
complete sentence with subjunctive of verb in parentheses. My answers are the ones with the astericks  Are they correct  thanks 1 No es verdad que Raul ( ser) ______ un mal excursionista ** sepa 2 Es probable que Titi y o ( ir) _______a caminar en el
asked by sam help please very confused 
Math
Assume that the set S has 10 elements. How many subsets of S have at most 4 elements? This question is from the section in my book called "Counting Partitions: Combinations." I would greatly appreciate any help! Thanks!
asked by Eleanor 
math
he said to his sister, he siad to his brother. What did the witty raindrop exclaim to all the others?
asked by breanna 
Calc help
find the area of the region enclosed by y=e^2x, y=e^5x, and x=1. i am having trouble seeing how this region looks like and having problems with how to start the problem in general. Much help is appreciated.
asked by James 
math
v = h(6  (1/3)(2  (2 h/5))^3 ) i try to solve this equation and i got (350+4h^2)/75 im not sure if this is correct please check it for me!
asked by kk 
social studies
how people reduce air pollution in their city?
asked by bianka 
7th grade sci.
Is the SI unit of temperature celsius or kelvin? thanks
asked by Alexa 
Chemistry
How do you determine the number of atoms in 28.7 grams of gold (Au)
asked by Kristina 
Chemistry
C7H6O3(s) + C4H6O3(l) → C9H8O4(s) + HC2H3O2(l) is the equation. At 20 degree celsius, how many liters of acetic acid, HC2H3O2, would be formed? The density of acetic acid is 1.05g/cm3.
asked by Emat 
Reading 3rd grade
What is generalization? What words signal generalization and what words do not signal generalization?
asked by Onassia (Parent) 
algebra
Solve graphically. xy=0 y=x² The reason I don't understand the question is the second equation with the x². How do I graph that? I'm not sure if I ever graphed with an exponent, and if I did, it was a long time ago. Thanks!
asked by Tessa 
5th grade
We are working on Fractions, mixed numbers and decimals. the problem says  write each decimal as a fraction or mixed number in simplest form... 0.7 or 0.08 ....ugg HELP
asked by Cam 
math
#1 If v=(6(r^3/3))h and h/(2r)=5/2 write V as a function of h . Simplify the function so that you can express it as a polynomial in h . #2 If y=ln(x) , write ln(x^x) as a simple function of y thxs alot!
asked by kk 
Chemistry
What is the molecular formula of a molecule that has an empirical formula of CH2O and a molar mass of 120.12g/mol?
asked by asdfjkl; 
Math 116
On three consecutive passes, a football team gains 8 yards, lose 26 yards, and gain 16 yards. The total net yardage is how many yards. 826+16=32 yards. Is this right.
asked by Johnnie 
Algebra
Solve graphically. xy=0 y=x² The reason I don't understand the question is the second equation with the x². How do I graph that? I'm not sure if I ever graphed with an exponent, and if I did, it was a long time ago. I'm reposting this because I didn't
asked by Tessa 
sentence
somebody can help me to make sentence with this words? sat,sit,tub,top,stop,step Thank you for help!
asked by cosmin 
Combinations
Assume that the set S has 10 elements. How many subsets of S have at most 4 elements? This question is from the section in my book called "Counting Partitions: Combinations." I would greatly appreciate any help! Thanks!
asked by Eleanor 
Pharmacy
I am in need of some help in being able to locate information for this assignment as it seems as though I am unable to locate the information for it. Select a culture with which you may or may not be familiar with. Trace its evolution into what is the
asked by Johanna 
spelling
flower:rose::tree:??????
asked by D 
U.S.History
not sure Western farmers wanted "free silver" because they felt it would a. stabilize interests b. increase crop prices c. depress crop prices d. decrease the amount of money in circulation
asked by y912f 
U.S.History
What was a negative impact of "bonanza" farms? a. Output declined b. Farms got smaller c. Farms became disorganized d. oversupply led to lower prices D
asked by y912f 
Algebra
I have to write each of the following percent change into a ratio comparing it to the original quantity. Then I have to write it as a constant multiplier. This is the example in my book: 3% increase, 103/100, 1+0.03 So I understand how to do single digit
asked by Katy 
Chemistry
In a acidbase titration, 22.81 mL of an NaOH solution were required to neutralize 26.18 mL of a 0.1121 M HCl solution. What is the molarity of the NaOH solution?
asked by Jake 
Chemistry
A 0.2861 gram sample of an unknown acid (HX) required 32.63 mL of 0.1045 M NaOH for neutralization to a phenolphthalein endpoint. What is the molar mass of the acid?
asked by Jake 
U.S.History
i really need help with this question Describe the major territorial advances made by the United States in the 19th Century. any info will be helpful
asked by y912f 
English
Who does the monster care about in Mary Shelley's "Frankenstein"?
asked by Kimmy 
calculus
evaluate: integration of x^2 (square root of (12x^3))dx
asked by joel 
Chemistry
What volume of 0.1209 M HCl is necessary to neutralize 0.5462 grams Ca(OH)2? Include a balanced chemical equation.
asked by Jake 
English
Would the real monster in Mary Shelley's Frankenstein be Victor Frankenstein because he just leaves the monster to care for himself and wants nothing to do with it? or someone else?
asked by Kimmy 
spelling
ocean:sea::river???
asked by deirra 
Physics
(1) A virtual image 7 cm tall and 17 cm away from a mirror is created by an object 7 cm away from a mirror. How tall is the object? What kind of mirror created the image? What is its focal length? (2) If a 1.75 m tall man is looking at a plane mirror from
asked by Al 
Dr.Bob, response to your reply to last answer
Sorry, I didn't see this. Actually you have only one mixture; it happens to have two components. There is a more or less standard procedure for separating complete unknowns (that's where you know nothing about it) and if you know nothing about it that is
asked by ~christina~ 
Law college level
Tragedy unfolded early this morning around 7:15 am as a local police officer failed to stop at a red light crashing into a crossing car wounding the officer but unfortunately killing a woman, and three children. Reports show that alcohol was not associated
asked by Sparklez 
spelling
ocean:sea::river?? must start with scr,spr,str,thr
asked by deirra 
Math
I need 3 ordered pairs of points that would be solutions to this equation. Can anyone help please, thanks! 4x  y = 7
asked by Robert 
Chemistry
If 150 mL of 1.73 M aqueous NaI and 235 g of Pb(NO3)2 are reacted stoichiometrically according to the balanced equation, how many grams of Pb(NO3)2 remain? Pb(NO3)2(aq) + 2NaI(aq) → PbI2(s) + 2NaNO3(aq) Molar Mass (g/mol) NaI 149.89 Pb(NO3)2 331.21
asked by Jake 
Math
identify fraction relationship of 5/10 of 20=
asked by Joseph 
8th grade Science
I need help really bad. What are the three ways that unbalanced forces can cause an object to change it's motion?
asked by Katy 
Maths  Trig
I just had a test, and one question I tried heaps of times and I still couldn't answer. It was "Prove secèsinè + cosecè cosè = 2cosecè " Can someone please tell me if proving this is possible at all? (But don't tell me how to solve it)
asked by TP 
spelling
whirlwind:breeze::downpour:???
asked by D 
3rd grade
identify fraction relationships 5/10 of 20=
asked by Joseph 
Spanish
Actividad 10  ¿Y tú? Contesta las preguntas. (Answer the questions.) 1 ¿Qué clases tienes? ¿Son fáciles o difíciles? Yo tengo la clase de español y historia. Son fáciles. 2. ¿A qué hora tienes la clase de español? Yo tengo la clase de español
asked by Larry 
calculus i need help please
evaluate: integration of x^2 (square root of (12x^3))dx
asked by joel 
Medical Terminology
devise memory aids for any five terms relating to the musculoskeletal system
asked by Kendra 
Chemistry
I converted 789,032 calories to Kilo Joules, and I got 3,301,309,888. I feel like this number is way to big. I set up the proportion like this: 789,032 x 4.184J/1c x 1000 kj/1J. Was this incorrect?
asked by Brandon 
spelling
glue:sticks::thorns:?????
asked by D 
To NEO LOUIS  Math
I've removed your very complicated post, for which you have supplied no thinking on your own. Please repost when you can demonstrate that you have tried to answer all these questions  and/or when you ask specific questions about your assignment.
asked by Writeacher 
science
is solubility a chemical, or a physical property? Thanks
asked by Rora 
GCSE Biology
what is the process of carbon dioxide leaving leaves?
asked by rebecca 
math
how far will the bike travel if the wheel makes 5 revolutions? the diameter is 40cm. show work
asked by makyla 
algebraNeeded Quick
find the domain of a logarithmic function of f(x)=log[2](x9)
asked by john 
actuarial science
To get into an actuarial science program I was wondering was sort of high school courses I would need to take and what kind of marks I'd need to acheive. I`ve tried googling this but I can't seem to find information on this anywhere :S
asked by Lena 
spelling
broom:sweep::brush:??? start with scr,spr,str,thr
asked by D 
Chemistry
What would be the molality of a solution made up of 75cm^3 of water and 0.21 g of NaCl?
asked by Alice 
math
solve: x lnx  30 + 5 lnx  6x = 0
asked by jason 
science
Where in nature could you find a source of energy just like batteries
asked by Kyla 
U.S.History
Which best describes the main goal of the social gospel and settlement movements a. to improve living conditions for the poor b. to strengthen political machines c. to encourage immigration d. to create jobs for the unemployed A
asked by y912f 
U.S.History
not so sure about this Most African American Exodusters migrated west to a. work as sharecroppers on bonanza farms b. escape racial violence in the South c. find relatives who had fled during the Civil War d. prospect for gold and silver
asked by y912f 
algebra
What percent of 320 is 220 my answer is 6.88 make as a decimal.is this right. 12(
asked by Keaton 
college Econ
Suppose Fred and Ethel need to divide 20 pizza slices and 10 cans of beverage. Fred's utility function is given by the equation U=Min(Z,B), where Z is the amount of pizza and B is the amount of beverage. Ethel's utility is given by the equation
asked by Brett 
U.S.History
this is what i have. please add more. i'm adding detail by detail which is taking me very long, please just tell me the MAJOR territorial advances that i should add Describe the major territorial advances made by the United States in the 19th Century.
asked by y912f 
computer
unscramble this word ienerpgcd
asked by justin 
physics
Could you please help me: Does plasma have a definite shape or volume?
asked by Don 
math
a number between 1 and 100. If it is divided by 3 or 5, remainder is 1. If it is divided by 7, there is no remainder: what is my member?
asked by tyler 
english
when did bad behavior be considered the cool thing to do? is there like a history of bad behavior being the right thing to do to be accepted into society?
asked by jon 
U.S.History
What was a negative impact of "bonanza" farms? a. output declined b. farms got smaller c. farms became disorganized d. oversupply led to lower prices i got D according to my book heres what my book says: The farms' massive output caused problems, however.
asked by y912f 
science
Is milk a homogenous mixture? ThanksElise
asked by Elise 
english
I'm having trouble understanding how to answer this question about a reading I did, the question is "could Joe have anticipated John's approach?" could anyone possibly help me understand what this question means better.....thanks
asked by tina 
Chemistry
A 0.2861 gram sample of an unknow acid (HX) required 32.63 mL of 0.1045 m NAOH for neutralization to a thenolphthalein end point. what is the molar mass of the acid?
asked by Kourtney 
Math...Applying the Order of Operations
Can you please show me where i'm going wrong? Here's the question: 2(14+35/7)  ((14 + 35)/7) A.28 B.31 C.26 D.26 E.38 Here are the rules that apply: Multiplying and Dividing Integers. *If the signs are the same,then give the answer a positive sign. *If
asked by Ryan 
Chemistry
What volume of 0.1209 M HCl is necessary to neutralize 0.5462 grams Ca(OH)2? Include a balanced chemical equation.
asked by Kourtney 
science
If the volume of 26.100 grams of chloroform has a density of 1.49 g per ml, then what is the mass? I got 18.125. Is this correct? My other question is, if the mass of an aspirin is 250 mg, then what is the mass in kg? I got, .00025. Is this correct?
asked by Elise 
Chemistry
I had to convert 95.4 km/hr to m/sec. Would this be the correct series of proportions? 95.4 km x .62m/1km x .60m/1hr x 60 sec/1 minute I then got 212932.8. If this is not correct, then what is the correct way? Thank you so much.
asked by Brandon 
Physics
What is the difference between radiant, solar, and thermal energy? Thanks
asked by Don 
7th grade
what is lateral and total surface area? What does "B" stand for? What does "P" stand for? What does "H" stand for?
asked by Anonymous 
what number am i
i am a three digit number i am less than 200 i am divisible by 12 and by 9 my units digit is less than my tens digits
asked by kayla 
math
bayside insurance offers two health plans.Under plan A, Gisselle would have to pay the first 110 dollars of her, plus 25% of the rest. Under plan b, giselle would pay the first 230dollars , but only 20 % of the rest.for what amount of medical bills will
asked by tera 
Science
Is it that the higher or lower the gradient, the steeper a distance is? Which one, higher or lower?
asked by Angie 
Chemistry
How do you determine the number of moles in 78.6 grams of carbon tetrachloride (CCl4) ?
asked by Kristina 
science
Technetium is a transition metal similar to manganese. what chemical and physical properties would you expect technetium to have?
asked by fern 
Civics
Can ayou Vote? Can you be elected? 1)You are a 43 year old Jewish merchant in Pennsylvania in 1705. can you be eleected to [rovincial counicle? Why or why not? 2) Yo are a 56 year old roman catholic farmer in new haven in 1646. Can you vote?
asked by Con 
Language
Just a curious question. Which language would be more useful, Spanish or French.
asked by Larry 
chemistry
Dose the law of conservation work when doing an expirement with vinegar and baking soda.
asked by jaz 
Classroom Management
In the 6th grade social studeis class Mrs. Jones asked Tom to stop talking with his neighbor, but he continued. After three other reminders, Mrs Jones asked Tom to move to another seat. Tom refused saying "You can't make me move.: What would you do? Short
asked by Cece 
Geometry
What is the math equation to find the scaled version if 1"=2' for Bed dimentions 6'3"L X 3'2"W
asked by Marie 
Math 116
I post some question this morning why have no one help me
asked by Keaton 
history
why, after 1765, did the American colonists increasingly find British imperial rule unacceptable? What had changed  and why?
asked by james 
Financing
During the sixth month of the fiscal year, the program director of the Westchester HomeDelivered Meals (WHDM) program decides to again recompute fixed costs, variable costs, and the BEP using the high–low method. Here are the number of meals served and
asked by shannon 
accounting
The Mountain View Senior Adult Program (MVSAP) is interested in starting a visiting nurse program. The program would use licensed practical nurses to make home visits once a week to fullpay clients in the community. The MVSAP will treat the visiting nurse
asked by shannon 
Health
When were baked potato chips invented?
asked by Angie 
science
What is the difference between radiant, solar, and thermal energy? Thanks
asked by Don 
Literature
what is an example of modern day hero? because my work asks me to compare modern heroes with Huck and Jim from Huck Finn. I need to tell if modern heroes will give up their lives and freedoms for friendship, loyalty and other important things...the answer
asked by Bella 
Science
If the volume of 26.100 grams of chloroform has a density of 1.49 g per ml, then what is the mass? I got 18.125. Is this correct? My other question is, if the mass of an aspirin is 250 mg, then what is the mass in kg? I got, .00025. Is this correct?
asked by Elise 
Math
You've got a bucket labeled Apples, and a bucket labeled Oranges, and a bucket labeled Apples and Oranges. You know they're all incorrectly labeled. How many pieces of fruit do you need to pull out, and from which buckets, before you can correct the
asked by Chase 
Western Civilization
I have a essay for Next Wednesday about The massacre on SAint Bartholomew's day. so i have to consider it again from perspective of four imaginary observers. One of them is Marcel, who is soldier in the royal army. then compose essay on how he is react or
asked by mimi 
Adv. Math
In January, gasoline cost $1.05 per gallon. In July, gasoline cost $1.20 per gallon. Find the percent of increase. Would the answer for this question be 14.3? And how do you do percent of decrease? _______________________________________ The original cost
asked by Kenya 
Math
Joe and Anna collect football cards.The greatest common factor of the numbers of cards in their collections is 15.Altogether Joe and Anna have 75 cards.If Joe has more cards than Anna,how many cards do they each have?
asked by Joseph 
health
I have to make a 3D model of the urinary system for health class. I'm thinking clay might be best to use, but I'm not that artistic. Any other ideas??
asked by sandie 
8th grade history
how many battles were going on during the civil war please help soon
asked by tj 45 
Kodaly Beats
Hi i have found a nursery rhyme and sounded out the beat using Kodaly below. Hickory Dickory Dock The Mouse ran up the Clock The Clock Struck one The mouse ran down Hickory Dickory Dock The pattern of this song is as follows: Titi titi titi ta Titi
asked by Anonymous 
Algebra
Translate to a system of equations. DO NOT SOLVE. A nontoxic scouring powder is made up of 4 parts baking soda and 1 part vinegar. How much of each ingredient is needed for a 16oz mixture? What are the two equations? For most problems, I can easily find
asked by Tessa 
Adv. Math
Can someone else explain it but more easier for an 8th grader ______________________________________ In January, gasoline cost $1.05 per gallon. In July, gasoline cost $1.20 per gallon. Find the percent of increase. Would the answer for this question be
asked by Kenya 
Physical Science
what 2 substances found in my home that could conduct electricity and explain why?
asked by Kristin 
math 116
62(3x3) =18 66x6=18 12x=6=18=24 12x=24 x=2 check this problem is it right.
asked by johnnie 
chemistry
which stage of ionization is likely favored?
asked by moises 
chemistry
which stage of ionization is likely favored?
asked by moises 
Song of Myself+English
Has anyone read Song of Myself by Walt Whitman?? I can't find any themes for it. So hard to understand. Would slavery be a theme? I need atleast 4 themes associated with Song of Myself.
asked by Chopsticks 
Social Studies/American Government
Could you check my answers by the way they have to do with the Missouri State Missouri State Constitution. Missouri State Constitution. 1. What is the Preamble? Answer: The Preamble is the first paragraph of the Constitution, and it states why the
asked by Tammie 
algebra
C leaves home going 40 km/h. when c is 9 km from home, d starts after c from the same place, going 58 km/h. how long does it take d to catch up to c?
asked by kurt 
U.S.History
A major failure or Reconstruction was that a. the South's cotton production never recovered b. war debts remained unpaid c. racist attitudes continued in the North and South d. no African Americans were voted into Congress any idea on this
asked by y912f 
Social Studies/Missouri Facts
Could you also check these thanks. Could I get a letter grade I'm in 9th grade 1. Who is the Governor of the State of Missouri? Answer: Jay Nixon 2. Name the two major cities in Missouri. Answer: St. Louis and Kansas City 3. Where is the capital of
asked by Tammie 
math
what is the least common positive integer that meets the following conditions: divided by 7 with remainder 4 divided by 8 with remainder 5 divided by 9 with remainder 6 i thought you could add 7 and 4 to get 13, then divide 13 and 7 with r=4, but it has to
asked by amanda 
math
x lnx  30 + 5 lnx  6x = 0
asked by kk 
10th grade History
What were Caesar's reasons for attacking Gaul? (Be Specific) What was his "Campaign against the Helvetti" and what did he do during his years in Gaul?
asked by Dominic 
college
Ethernet or Token Ring
asked by Anonymous 
algebra
7/d=14/d^ help with this problem 3(58)3126)= help with this problem
asked by johnnie 
algebra
find f^1(x) f(x)=x5
asked by lila 
U.S.History
i cant find this in my book. i've probably read about it but i don't remember In the 1890s, immigration patters shifted dramatically, with most immigrants now coming from a. northern European countries b. southern and eastern European countries c. Mexico
asked by y912f 
Algebra I
Write each percent change as a ratio comparing the result to the original quantity. Then write it as a constant multiplier. Book's example: 3% increase, 103/100, 1+0.03 I don't understand double digit numbers. The one that I have to solve is an 11%
asked by Katy 
U.S.History
The Pendleton Civil Act was passed to a. place additional regulation on the railroads b. end Japanese immigration to the U.S. c. end the spoils system d. print money backed by silver rather than gold C
asked by y912f 
Chemistry
I am supposed to add up these numbers, using the significant digits rules. 150 76.9 209 .036 I got 435.936. Following the sig. digs. rules, it would be 435.9, right? How does this then equal 440 as my science books says? Thank you so much.
asked by Brandon 
Algebra
Were doing factoring and i don't get these (^ means squared) 1) m^3m2 2) 6c^5c4 3) ab+mn+an+mb 4) The length of a rectangular garden is 5ft more than the width. The garden has a 3ft wide cement walk sorrounding it. The total area of the garden and the
asked by Chirs 
Algebra cont
d^=7d12 (factoring the same as the last one
asked by Chirs 
Math
Determine whether the function is onetoone. If it is, find itd inverse. f(x)= 3x+4 over 5
asked by Kim 
calculus please
given f(x) = abs(sin x) and g(x) = x^2 for all real x: 1) let H(x) = g(f(x)) and write an expression for it. 2) find domain and range of H(x). 3) find an equation of the line tangent to the graph of H at the point where x = pi/4.
asked by jane 
Math 116
42/6=7 check these problem 3(c5)= 3c15= c= 3/15 C=5 Check this answer for me. Find decimal notation for the fraction 1/17. The decimal notation for the1/17 is round to the nearest hundreth i get 589
asked by Keaton 
Chemistry
What is the STP for 2.84g of (NH3)2(SO4)
asked by :))) 
chemistry
what is the volume at standard temperature and pressure for 28.4g of N2H6SO3?
asked by asdfjkl; 
U.S.History
please check these are some questions from the opening lines of Gettysburg Address. a. when Lincoln referred to "four score and seven years ago" what year was he talking about? 1776 b. What did Lincoln say the Civil War was testing? whether our nation can
asked by y912f 
chemistry acids and bases
which solution is potentially more hazardous to your eyes: .1M HCl or .1M NaOH? Why? are they equally hazardous since one is an extremely strong acid and one is an extremely strong base?
asked by casey 
U.S.History
Prohibitions and purity crusaders shared the goal of a. making charity "scientific" b. redistributing the nation's wealth c. ending immigration from Asia d. improving the personal behavior of individuals i'm not 100% sure but i think D
asked by y912f 
spanish sra jmcguin
complete sentences with indicative or subjunctive forms of verb in parentheses 1. (ser) No dudi que Juan _____la mejor persona pra hacer el trabejo. **sea 2. ( tener) El conductir no niega que _____poca experencia por estas calles **tenga 3. ( decir )
asked by sam help please very confused 
Languages
How do you say, Happy Valentines Day in Spanish and in French?
asked by KerryAnn 
U.S.History
someone answered this a while back, i just want to know if its correct What happened at the Massacre at Wounded Knee? a. American soldiers killed more than 200 unarmed Sioux b. General Custer's cavalry was completetly wiped out c. the Nez Perce fought for
asked by y912f 
Accounting
The Ritz Manor is a popular seaside resort. A double room costs $220 for one night. In order to reserve a room, guests must pay one night’s stay in advance. On each floor of the hotel, Vendalite Company operates vending machines with energy bars, juices,
asked by Precious 
math
hi, could someone please help me solve this problem, i know the answer is 24, i just need to know how to solve it. a "lucky dollar" is one of nine symbols on each reel of a slot machine with three reels. a player receives one of the various payouts
asked by kelly 
History
In granting or gaining of civil rights to or by many groups in America, what were the 3 most important? Why were they the most important?
asked by Pat 
Chemistry
Determine the percent composition by mass of ammonia sulfate.
asked by asdfjkl; 
3rd Grade Poems
Do all poems need to rhyme? If so, give me the examples> Thanks.
asked by Yan 
algebra
how to simplify these expressions using positives exponents to express the final result 63= 5XO= (2x)1=
asked by maria 
Chemistry+balancing equation tips
We are on combustion reaction at the moment in chemistry, and I have to say, these reactions are like extremely hard to balance(well, just alot of erasing). It takes me a while to balance combustion reactions and I want to know if theres any tips in
asked by Chopsticks 
Algebra
Find the decimal notaiton for the fraction 1/17, the decimal notation for the 1/17 is 0.5889 round it the hundreth.
asked by Johnnie 
science
how does a food web start?
asked by star 
algebra
Find the decimal notation for the fraction1/17, The decimal notation for the1/17 equal 0.589. rounded it to hundreth. my answer is 0.589 is this right.
asked by Johnnie 
Chem
I have to convert inches to 250 cm.My book states the expression to calculate this as 250 cm x 1in/2.54 cm. I followed through to divide, and got 98.425, which following the rules of significantdigits, would equal 98, right? 250 only has 2 sig digs, it'd
asked by Brandon