alex

This page lists questions and answers that were posted by visitors named alex.

Questions

The following questions were asked by visitors named alex.

In Ancient Greece, what portion of the population of Athens were citizens?

I need help I have to answer this question and I don't understand. 4+x=8-2

Systems in space are called blank science?

THE PRACTICAL USE OF SCIENCE;APPLIED SCIENCE

hi im supposed to create a children’s story about Roger the Rock. Roger is a rock that has been a part of the rock cycle for millions of years. Your job is to tell Roger’s story. What volcanoe he came from and where he lived. You must describe how Roger w...

Can anyone help? the resistance of the side lights on an automobile are 10 ohms. How much current flows in them when connected to 12 volts

A distance of 1 meter separates two negative electric charges of 1-coulomb each. With what force (in Newtons) do they repel each other. The coulomb constant is 9x10^9 Nm^2/C^2 would this be 1 N???

do the resonance structures only apply for oxygen and double bonds?

when drawing molecular shapes, how do you decide which atoms go on axial or equtorial? (the more electronegative goes on _____)

when drawing molecular shapes, how do you decide which atoms go on axial or equtorial? (the more electronegative goes on _____) please help, my textbook confuses me with exmaples that follow both sides!

how do you find the rate of change and explain what it means for thhe situation? heres the table: Time(hours) Distance(miles) 4 260 6 390 8 520 10 650

1.How many strands of mRNA are transcribed from the two "unzipped" strandsof DNA? 2.What are the three parts of an RNA nucleotide? 3.How does base pairing differ in RNA and DNA? 4.What is the function of mRNA? 5. What is a codon?

i have some notes but before christmas break was here i had surgery so i didn't get to finish my notes in class and i don't understand much of my work so heres part of my notes: DNA and RNA Differences: #of strands for DNA? RNA? sugar DNA? RNA? Base that...

what is the concentration of [H+} in molars, millimolars, and micromolars for a solution of pH 5? In case you need this information: milli= 10^-3 micro=10^-6 Thank you.

In a mixture of ethanol and water, the strongest intermolecular force present between the two chemicals is

5. At 2pm the number of bacteria in a colony was 100, by 4pm it was 4000. Write an exponential function to model the population y of bacteria x hours after 2pm. 6. Using the information in problem 5, how many bacteria were there at 7pm that day? 7. Kaplan...

A cordless telephone will work if it is within 50m of its base, If while you are talking on the phone, you walk 15m away from the base in a southerly direction, then, turn to face west and walk 42m, will the phone still work?

please check my answer thank which of the following is a government- owned,federal facility ? 1. Veteran's Administration Hospital 2. Jones County Hospital 3. Sate medical center 4. City health clinic I picked #1

please check my answer thanks True or False If John Dale is responsible for accounting services for Weston Hospital he's the hospital's chief fisnical officer. I picked True

Morris Wesley Hospital is a multi-facility, for-profit hospital. What type of owneship is this ? 1.Church affiliated 2. Federal 3. State 4. Non-governmet proprietary I picked 4 please check my answer thanks

the problem is 2cos^2x + sinx-1=0 the directions are to "use an identity to solve each equation on the interval [0,2pi). This is what i've done so far: 2cos^2x+sinx-1=0 2cos^2x-1+sinx=0 cos2x + sinx =0 1 - 2sin^2x + sinx = 0 -2sin^2x+sinx-1=0 2sin^2x-sinx...

please help me with this question! a 1g sample of naoh contaminated with na2co3 is titrated with 0.500MHCl, and it is found that 46.5mL of HCl are required for neutralization. Find the percentage by mass Na2Co3

what is an example of political, and economic features?

3(a/7)+7(a/3) answer 3a/21+7a/21 = 10a/21 am i on track

what do the angle measures of a triangle add up to? is it 180?

the straight line l1 has equation y=2x+3 the straight line l2 is parallel to l1 l2 passes through the point (3,2) find an equation for l2

what is the measurement of angles on a regular hexagon

it takes janet 9 hours to do a task and it take jancie 10 hours to do the same task how long will it take both of them to do the task together

Problem sloving question - Using addition to solve equations Mr wilheim made 342 gallons of brown wax. Unfortunately, he burned some of the wax while it was cooking. He was able to save 256 gallons. How many gallons of wax burned ?

Using Addition to Solve Equations Mr wilheim wrote down the amount of wax used for the Betsey Ross Statute. For the queen, he would .6 gallons less for the arms and 1.5 gallons less for the legs. That meant he would use 39.4 gallons of wax for Queen Eliza...

what organs can the body do without

whats the formula for area of a triangle pyramid?

I am haveing trouble with Complete Subjects and Predicates. We have to write a short paragraph about an organization whose purpose we admire.

how to write a debate? I mean does it have a special form? is it like a letter? what kind of language do you use when writting a debate?

Find all sets of integers {x,y,z} such that when any one of these numbers is added to the product of the other two numbers, the result is always 2.

In a class of 110 students, 22 received the grade of A. what fraction of the students did not receive the grade A?

Was Sun Yat Sen's party (KMT) disorganized or supportive?

you start with an equilateral triangle and then trisect each of the sides with a new equilateral triangle on the middle third of each trisection, repeat the process indefinitely how would you prove that the perimeter is infinite?

does anyone know how to do pizzazz worksheets, i'm having trouble with mine.

Let x and y be positive real numbers such that x + y = 1. Prove that (1 + (1/x)) * (1 + (1/y)) ≥ 9

how do you show that lim((e^(h)-1)/h)=1 as h approches 0 given the series e^x= 1+x+(x^2/2!)+(x^3/3!)... And given F(x)=e^x how do you find the lim((f(x+h)-f(x))/h)as h approches 0

what is the thme of this poem

Where willcampers sleep in 20 years?

12a-18b/-6 simplify

what are the properties of exponential function?

whats the analogie that goes with brush that starts with scr spr str or thr?

Are there any reasons why Japan didn't go into war after World War 2?

how is singapore prospering without going into war?

factor the following equation: 6x^2 - 21x - 9 i've tried to factor it and can only get answers for 6x^2 - 21x + 9!

Can you tell me where I can find some good ansewer

Can you tell me where I can find some good places where I can learn about dogs

Can you give me more information on an organic compound called padimate? Stuff like its uses/applications or any other interesting points like source, discovery, etc. (other than from wikipedia, please.)

jim ate 1-4 of a pie and helen ate 1/8. how much pie was eaten altogether? how much pies was left?

in 5 days she made 80 sandcastles. each day she made 4 fewer castles than the day before. how many castles did she make each day? Lisa went on making 4 fewer castles each day. how many castles did she make altogether?

I am supposed to correc t the parenthesis in this equation (a+b)second power+ a to the second + b to the second

Is establishing an open pit diamond mine in the far north (tundra) a sustainable practice or a not a sustainable practice?

is replacing trees in a forest clear cut a sustainable practice or not a sustainable practice?

how do i do a spider diagram of globle warming

find the 25th term of a geometric sequence having a common ratio r=1/4 and term a=3

if a car has an initial velocity of 103m/s and acclerates at 1m/s for 3 seconds what will its final velocity be

if a vehicle travels with a constant acceleration of 3km/hr for 5 hours, what was its intial velocity if the final velocity was 100km/hr

what were the effects of the Indian Wars?

I need the answers and the work shown steb by step today pls^^ For each direct variation find the constant of variation.Then find the value of y when x= -5 1.y=2 whne x=7 2.y=-2 when x=2 3.y= 17 when x=-4 y varies directly with x. 1.if y=6 when x=2,find x...

The train made 7 stops before sue fell asleep if the average time between stops was 40 minutes, how much time passed between the time the train left chicago and the time the train made the seventh stop?

1. In which one of the following sentences could you best use a semicolon? A. If you ask me, Jerry is a tennis whiz. B. Lucille bought a new tennis racket and brought it home. C. Jerry loves tennis he plays every day. D. When she is worried, Lucille eats...

Discuss the role of northern capital in the development of the New South. How did the rise of industry affect the lives of rural Southerners? Analyze these changes from the point of view of African Americans.

Is the U.S. meeting it's economic goals?

you have 40 coins, quarters dimes and nickles and they equal $6.00. you have two more quarters then nickles. how many of each do you have

what does the word "boodle" mean?

How would you translate this from english to latin? Tomorrow, you and your sister will have lost the harsh beginning of youth, is trasnlated as:

To what extent did America uphold its democratic ideals from 1880-1920?

An electric force moves a charge of +1.65 multiplied by 10-4 C from point A to point B and performs 6.40 multiplied by 10-3 J of work on the charge. (a) What is the difference (EPEA - EPEB) between the electric potential energies of the charge at the two...

i have a six digit question my 100 thousands is one less than my ones digit,eight greater than my thousands digit,twice my tens digit and four times my hundreds digit,my ten thousand digit is zero,what number am i

one way to find the equivgalent percent of 2/3 without using a calculator

I need to perform a chemical demonstration on thermochemistry or kinetics or colligative properties for chemistry class. However I cannot have demonstrations involving fire.

log[3](7x-3)>=log[3](5x)

is this true or false. in 1922, the Anti Lynching Crusaders had 700 women working in 25 states.

how many molecules of calcium are needed to produce 90.87 moles of carbon dioxide? please explain.

What market segments are the target markets of NASCAR?

2. What market strategy is NASCAR using to reach its target markets

I'm looking for an artivcle by a credible news site (eg: bbc, cnn, TIME, etc). It must be about education. I'm searching for articles mostly about rote learning, and whether or not school will better prepare you for jobs, or about the school curriculum. A...

Does the following sentence have faulty co-ordination or run-on errors? "Harry Houdini left home at the age of 12, and his real name is Erich Weiss."

a car sells for $25000. if the rate depreciation is 15% what is the value of the car after 7 years

what is the domain, range, zeros, Initial value, sign, variation and extrema

how do reciprocating heat engines work?

i am a two-digit number over 50. when you put me in groups of seven, two are left over. the sum of my digits is 11. what number am i

Find a recent (from 2009 June onwards) and interesting article from the mass media with a theme that is related to topics learnt in Cell Biology. So far I've learnt Membrane Structure & function,Organelles and their structure & function, as well as their...

does "fin" have an accent?

i'm supposed to come up with different questions for 11-12 year olds, 13-14 year olds, and 17 year olds. the topic is the triangular number sequence. any ideas for them?

Why is cell culture one of the most valuable technical achievements in the entire study of biology?

consider the experiment of selecting a card from an ordinary deck of 52 playing cards and determine the probability of the stated event. A card that is not a king and not a spade is drawn. I know there are 52 cards in a deck and there are 4 kings to a dec...

what is an example of autocatalysis? what will the graph of the rate of an autocatalytic reaction versus time look like?

why is sodium thiosulfate readily soluble in water? how can a large amount of it be dissolved into only 3 ml of water?

which of these salts is least soluble in water? 1. LiCl 2. RbCl 3. FeCl2 4. PbCl2

use fraction bars to find the quotient 2/9 divided by 1/6

two numbers are reciprocals of each other and one of them is four times as large as the other. what are the two numbers?

what 3 things would i miss the most if there were no pulleys and gears in the world?

which of the following food items should have the highest energy content? a. nuts b. popcorn c. marshmallow d. apple

which one of the following is a direct result of "hard water"? a. formation of a bathtub ring b. discoloration of clothers c. water spots on dishes d. maeks your skin feel slipper to the touch. I think its A but just wanted to double check.

Answers

The following answers were posted by visitors named alex.

I don't know if that's right that's what I got but wasn't sure

two girls werw born onn the same day of th same year, they hava the same mother and father. but the girls are not twins how could this be

how do you know when to draw the resonance strcutres?

thank you. the reason i had put those questions is because im not good with a book i kinda need a verbal explination. But in the mean time i am reading my text book over and over and over but i just can't seem to find the answers.

yes i do have to have it by the time i get back to school. and none of my friends don't want to help me and my mom or dad doesn't know much about it so thank you for trying. o and i have my notes its just b4 c-mas break came i had surgery so i didn't get...

mchi t7awaw la ma3raft ta9alwa

ano josei ha mary no nihongo no sensei da to omoi masu.

although, after looking at this problem i'm still not sure why i had to change the original problem? I've just been following the notes that were given to me by my teacher and that's what she has done but why do i have to change the original problem it se...

what can i do 2 learn spanish online quickley before school starts?

58/21 or 2 16/21

wat is llatetpsh un scrambled

are u sure its not -220? i think we're looking for the same answer lol

An express bus and a local bus starty out at 1st Street together. The express bus stops every 15 blocks. The local bus stops every 4 blocks. How many blocks will it be before there is a bus stop where both buses stop?

lively, brisk, rapid

how do i determne the distance with the work at 472Nm using 210N

but if you are asked to write a debate how do you start? you see I've got to write a debate about media in our society and I completely don't know how to start and develop thing...

maybe I misunderstood but the question exactly says to: "debate" a motion that media has too much power in todays society... does it mean I have to write a debate or what? now I'm quite confused///

thanks(: is there any reason why those are the answers? like is there any pattern in finding them?

1. Twice d would be d + d d + d = 2d 2. -(y+48)= -1(y+48) = -1(y) + (-1)(48) = -y + (-48) = -y -48

Please someone give me the answer i've been working on it for 2 half hours. Please somone help!

for 2 its cus he is an old man.... it never says he has been to california before he says he wants to see it

thanks :D is it okay to include Article 9 of the National Constitution of Japan?

or a reason why singapore can still prosper without war?

i'm sorry, i meant the question in another way. is there a reason why singapore can still prosper without war? like is there any treaties signed or anything?

they asked to name the products and type of reaction

tht is all that is given..i don't know they asked to name the products and type of reaction//thanks

it is d for the first part but not b and a for the second two

well i think to show the layers of soil

i have the same name as me

wat is a consenrt

is that right im just gessing

hi im only in 4th grade so i really kind of need simple answers

thanks ms.sue u rock

Well thanks but in the other questions im guessing that y stays the same so 1. will be equal to 1/2 and 2.-7/1 correct me if im wrong pls but is also suspicious because it says y varies direclty with x idk what that means

i need help unscrambling this word yos the second word is power here is the word levabira it has something to do with thawing out food in da microwave

does this sound right elle est un ami sympaqthique

I don't have the vocab with me for harsh begginings of youth. however i know that harsh begginings should be in the accusative form and of youth should be genative. so far i have cras tu tuusque sora amiterint is any of that correcT?

thank you so much, i just needed some background info i didn't know where to begin

i looked through some of these already and i am having trouble finding what exactly were the democratic ideals.

log[3](7x-3)>=log[3](5x)

1) e! 3) d (6 beats per s) formula: f_beat = |f1-f2| at above person..lol! what were you doing here yourself..if not searching for help to do these questions?

Also, I'm not sure if the following sentences have run-on errors. "Houdini was born in Budapest, Hungary in 1874 when he was 4 his family immigrated to the United States." "Houdini made his name as an escape artist and magician at the turn of the century...

how we write painting intirperitation paper

I am using Na2S2O3.5H2O. By large amount i mean about 15 grams

just roll it and through it away

thanks....I haven't even been shown that way to figure it out. Thanks so much!

the answer I got is 1027 J/g.. right??

Bob pursle answered a very similar question this one has 2 drops and unknown hardness...

what about this?? what is the ratio of water drops to EDTA if 2 DROPS of EDTA was needed to change the color of 20 drops of water with UNKNOWN HARDNESS? a. 10 b. 5 c. 0.1 d. 1.0

so would the answer be a. 10??

that proportion solving for X doesnt give me a number listed as an option..I got 470

No, when dealing with fractions, how do you fracture?

thank you for your help!!

16x^2 + 56x + 33y^2

I've figured out that the missing one the "copyright disigns and pantent act" anyway

my answer to this is 1.519 from 0.44

my answer is 0.633 is this correct , it not exact but closer

my answer is equals 15.7 is this correct

yes statistics it is

resipical x/7=-5 ?

the endpoints of a line segment graphed on a cartesian coordinate system a (-2,6) and (1,2). what are the aoordinates of the midpoint of the segment?

what is the latin greek word for single PLZ HELP ME!!!

can someone pls show me how to work this 1) x+y=0 7x-7y=0 2) 2x-5y=1 3x+y=-7 3) 1/3x-4=6 x-3y=0 can someone show me how to work these please asap today thanks

science what is a control group

I don't understand your answer, please explain more.

What are your formulas?

Hmm that sounds right , But mr fuchs said that the equation was y=30 * 2.25x , So i don't know , This is confusing :/

Hmm, well yesterday when i was on here someone told me that the answer was - $30 / $.85 = 35.3 or 36 videos. and i think that's right.. But idk . didn't he say we needed a chart ?

I know right. Um who do you know that would know the chart ?

Okay . We should of coppied off the board when he had it today.. But whats the real answer ? 36 ?? Or 13??

A list? but what has to go in the list?

wait but up to what number do i have to keep multiplying , like 30+.85* 2,3,4,5,6,7,8,9 - up to what number ??

it gives the person encouragement and a sence of accomplishment

good question. i have often wondered that my self

oranises is supposed to be "organizes" thought u should know.

the study of the physical and natural world and phenomena, especially by using systematic observation and experiment

a component or assembly of components that performs a specific function

thanks anna. i figured it out thanx 2 u.

Yea i know i don't get this either !!

I got 3 . lol hbu ?

Hmm . but wait. we got 3 ? So the fewest number of flips needed to make the change is 3 ? I don't understand what the answer 3 is .

ohh ohh i get it i get it now . Yea we did it right.

where did you get the .5M from? Ca(NO3)2 is .25M

thank doctor bob pursley that's right i know who you are.

o oops hahah thankss for answering my question!

How high is the ball when it hits the wall?

How long does it take for the ball to reach the wall if it is 5.2 m away?

add 9 + 3 =12 there are 24 hours in a day so 24 - 12 =12 answer 12

No, his plan will banrupt the country and it will allow the government to run healthcare. They will decide who gets what and when they get it. The United States is not a socialist country. If you ask many Canadians about their health care plan they would...