Saturday

October 1, 2016
Total # Posts: 731

**chem**

so if i gives me CO how would i know what it is if i cant look up the hardness or softness? i can just look at the periodic table

*October 12, 2010*

**Int. science**

Which hemisphere of Mars appears oldest and most heavily cratered?

*October 10, 2010*

**Physics**

A skier traveling 12.0 m/s reaches the foot of a steady upward 18° incline and glides 18.2 m up along this slope before coming to rest. What was the average coefficient of friction?

*October 5, 2010*

**Math **

Using the digits 1 thru 9 complete the following number sentence ___ \ _____ x ____ +_____x_____x____ \ _____ + ____x _____=100

*September 30, 2010*

**Math**

Using the digits 1 thru 9 complete the following number sentence ___ \ _____ x ____ +_____x_____x____ \ _____ + ____x _____=100

*September 30, 2010*

**Math**

Using the numbers 2, 5, 10 , 50 solve the following equation to make the number sentence true... ? - ? Divided by ? + ? equals 50

*September 30, 2010*

**Math**

This is impossible!!! So very sorry could not help... :(

*September 30, 2010*

**Math**

Using the numbers 2, 5, 10 , 50 solve the following equation to make the number sentence true... ? - ? Divided by ? + ? equals 50

*September 30, 2010*

**Math**

Using the numbers 4, 9, 36 ... What is the sequence that I would put these numbers in to solve the equation ? - ? : ? Equals zero

*September 30, 2010*

**physics**

use cosine to find the east component. you use the equation x=Vcos37. 5.00km * cos37 will give you the answer.

*September 27, 2010*

**english **

what does this line mean? A man being sometimes more generous when he has but a little money than when he has plenty

*September 21, 2010*

**Math **

The following figure is a rectangular box in which EFGH and ABCD are rectangles and BF (with a bar on top) is perpendicular to planes EFGH and ABCD.Are BD and GH parallel?

*September 19, 2010*

**biology**

positive.

*September 7, 2010*

**statistics**

A mean is the average of the all the numbers. You add all the numbers and divide by how many numbers you add together. A median is the middle. Arrange the numbers from smallest to largest and find what number is in the middle. A mode is whichever number that occurs/shown the ...

*September 7, 2010*

**staticis**

Average and mean are the same thing. So the best term to describe it is average or mean, either is good.

*September 7, 2010*

**science**

conducting -------------is what a scientist does to reduce effegts of chance errors

*August 25, 2010*

**scientist**

a person who "does" science?

*August 25, 2010*

**6th grade**

the step-by step you follow when conducting an experiment is called what?

*August 25, 2010*

**scientist**

scientists do their experimentl tests more than onceto reduce the chance of error is called conducting-----?

*August 25, 2010*

**Math**

Solve by using the quadratic formula. x^2=5x+2

*June 9, 2010*

**Physics**

A projectile is launched horizontally with a speed of 80.0 m/s. If the projectile is launched 1.5m above the floor, how long does it take the projectile to hit the floor?

*June 8, 2010*

**language arts **

yay shakespeare was

*May 4, 2010*

**6th grade math**

if its a percent its always over 100 so 40/100 simp. again 4/10 simp. again 2/5

*May 4, 2010*

**AP Stats**

The mean weight of pears grown in a certain orchard is 6 ounces with a standard deviation of .5 ounces. A random sample of 30 pears is selected. What is the approximate probability that the sample mean weight is less than 5.5 ounces?

*April 25, 2010*

**Science**

Info: 4 cm = 1 side, 3 cm = 1 side, 2 cm = 1 side, mass = 19.2 grams. As long as you know how to convert mass to density, the density of water, and the density of olive oil, this would have been a lot easier, but the densities of water and olive oil seen't listed. Density...

*April 20, 2010*

**math**

crazy caps is giving away free caps. they gave away 4 caps in first hour.8 in the second hour. 12 in the third hour. 16 in the fouth hour. how many crazy caps will they give away in the six hour.

*April 14, 2010*

**math**

Carson needs to purchase 5.6 meters of tape for a project. If each roll of tape contains 80 cm and costs 5,what is the total cost of the tape that carson must bu

*March 31, 2010*

**math**

In 1991 the population of Kenosha, Wisconsin, was 132,000. Between 1991 and 1996, the population of Kenosha increased by approximately 2000 people per year Question: Use the model to estimate the population of Kenosha in 2006

*March 3, 2010*

**Science**

In order to sail through the frozen Artic Ocean, the most powerful icebreaker ever built was constructed in the former Soviet Union. At the heart of the ship's power plant is a nuclear reactor with a power output of 5.60X10^7 W (5.60 times ten to the power of seven W) How ...

*March 2, 2010*

**Volume of a rectangular prism**

102

*March 1, 2010*

**5th grade**

A KIND OF ROCK

*February 23, 2010*

**college physics**

m = 3.5kg x = 0.88m f = 25N speed = 1.63m/s coefficient of kinetic friction = ? we know, fk=fnormal*coefficient of kinetic friction where fk = kinetic frictional force so, fk= mg*coefficient fk=3.5*9.8*cefficient a=? so applying the equation v^2=u^2+2ax a= 1.1m/s^2 fnet=ma so...

*February 18, 2010*

**4th grade math**

How did you come up with 27? I'm I missing something?

*February 17, 2010*

**math**

what is the product of the 10 single digets numbers?

*February 14, 2010*

**4th grade**

box A has 3 red marbels, and 2 yellow marbels. box B has 2 red marbels and 1 yellow marbel Which box has a greater chance of picking a red marbel from it?

*February 14, 2010*

**English**

Identify the prepositional phrases in the following sentences. 5. Seven very bright stars surrounded by dust form the Seven Sisters. PP=By dust Is this right?!?!?!

*February 7, 2010*

**English**

Identify the prepositional phrases in the following sentences. 4. Clusters of stars form constellations. PP= of stars 5. Seven very bright stars surrounded by dust form the Seven Sisters. PP= form the Seven Sisters, PP= Seven very bright Identify the prepositional phrases in ...

*February 7, 2010*

**English**

Identify the prepositional phrases in the following sentences. 1. Can anyone count the stars in the Milky Way? PP=in the Milky Way 2. The Milky Way looks beautiful on a clear night. PP=on a clear night 3. I enjoy stargazing from a nearby hilltop. PP=from a nearby hilltop. 4. ...

*February 7, 2010*

**US HISTORY**

The Executive Branch of Government

*February 7, 2010*

**US HISTORY**

The Executive Branch of Government

*February 7, 2010*

**physics**

what is the downward force of the atmosphere on the top of your head right now. Assume your head has an area of .025 m^2

*February 2, 2010*

**spelling**

Hi. I am a finalist for a spelling bee competition but I want to understand something: Why do most spellers need to know the root of the word. I want to know so that if it is usfull I can use it as well. Thank You In Advance!

*January 30, 2010*

**english**

i am so confused it really making me have an attack this is a practice test from last year for my study guide

*January 26, 2010*

**english**

27. Choose the label that best describes the verb in the sentence. We have been preparing for the track meet all month. (Points: 5) present perfect progressive past perfect progressive present perfect present progressive 28. Which of the following sentences contains a shift in...

*January 26, 2010*

**spelling**

Hi. I want to know how i can defeat a hard word in a spelling bee competition? Thank You in advance

*January 24, 2010*

**spelling**

Hi my name is Lily. This is the first time I am oing o be in a spelling bee. Our class is practicing my teacher will choose three students I really want to be one of them can you please help me so I can have a good peperation? Thank You in advance

*January 24, 2010*

**Comp150. **

Well it surely helps knowing about the article itself I do not need anymore help

*January 24, 2010*

**Comp150. **

What kind of supporting paragraphs would go with the following topic?Scientist have discovered human remanis thought to be more then 2 million years older then Lucy Explain why

*January 24, 2010*

**social studies**

where can i find an essy about Queen Elizabeth as a monorchy? to find more information. Thank You in Advance for haelping me!

*January 21, 2010*

**social studies**

which countries have communism?

*January 13, 2010*

**Texas History**

I have to draw and color pictures for the events that happend in 1836. I have most of them but i am stuck on a picture for the Battle of San Jacinto. Help?

*January 12, 2010*

**social studies**

Is canada a good place to live? For example does it have good educaion, does it have a good economy where peoples' needs are for filled?

*December 18, 2009*

**Math **

thats ok, so would it be 4 ? I now got -3x+y=-2

*November 30, 2009*

**Math **

How would you get a positive 2 though?

*November 30, 2009*

**Math **

x+y=-2 ?

*November 30, 2009*

**Math **

Write an equation in a standard form of the line that passes thru (3,1) and has a y-intercept of-2 . My book does not have problems like this so PLEASE help me!!!!!!!!!

*November 30, 2009*

**Physics**

No, I thought the answer was positive too, but when I entered it in, a message popped up and said "Your anwer has the wrong sign". That's why I asked.

*November 27, 2009*

**Physics**

I also got about 1.4 rad/s, but is the answer negative? -1.4 rad/s? Thanks!

*November 27, 2009*

**Physics**

A bicycle is turned upside down while its owner repairs a flat tire. A friend spins the other wheel and observes that drops of water fly off tangentially from point A. She measures the heights reached by drops moving vertically (see figure). A drop that breaks loose from the ...

*November 27, 2009*

**Physics**

Yes, I also got -0.06 and 3.00 seconds, so obviously the answer is 3.00 seconds. Thanks for your help :)

*November 27, 2009*

**Physics**

I tried doing the problem your way, but I got confused at the end. For the equation S = w*t + (1/2)(-9.8)t**2, what was the value of w? When I tried using w = v0 (17.844m/s), I got the same answers as yours But when I tried using w = v0sin54 (14.4363m/s), I got different ...

*November 27, 2009*

**6th grade**

Idk!!!!

*November 17, 2009*

**Algebra**

Factor by Grouping. 15r^2-19r+6

*November 14, 2009*

**algebra**

the answer from Reiny didn't work! The calculator won't take that big of a number using that A B/C key. I am reducing a fraction

*November 10, 2009*

**algebra**

what is the simplest form of 765 over 2023

*November 10, 2009*

**social stuudies**

who is Margaret Mitchell, and what is her connection to the civil war era?

*October 29, 2009*

**AP chemistry **

what is the balanced equation of H+ + [Al(OH4]- and [Al(H2O)6]3+ + K+ + SO4

*October 15, 2009*

**AP chemistry **

what is the balanced equation of Aluminum + Koh

*October 15, 2009*

**English**

How do you right an article about a school recieving computers as a reward?

*October 4, 2009*

**algebra 1**

Reiny is mostly correct how I think about it is I think about what I know write it down I see what they are asking me and try to figure it out. Try to make it easier for you to understand

*September 29, 2009*

**Biology**

In the two-kingdom system, why were fungi classified in the kingdom Plantae?

*September 22, 2009*

**va.studies**

the words economics and ecomony refer to....

*September 8, 2009*

**biology**

Hi, i have some doubts i would like to clear. What is the difference between codominance, incomplete dominance, and complete dominance?? i'm getting rather confused. What type of gene is the sickle cell anemia? Say r stands for the recessive allele for sickle cell anaemia...

*June 19, 2009*

**science**

why is it dangerous and how can we solve this problem .. for a limestone statue downwind from a power station.. i don't understand that question at all ? any help .. thank you for any answers :) x

*May 30, 2009*

**history**

what is peace of equitment used long time a go to send message by electricity over wire?

*May 7, 2009*

**math**

write an equation in slope-intercept formfor the line passing thru each pair of points. (12,5) and (-4,1) pleae help me!!!! i dont understanf how to solve it

*May 7, 2009*

**English**

How do you find an prepositional phrase?

*February 24, 2009*

**math**

so the circle equals 3.14rsquare (r=3.5 square) and that equals 11 then for the square 5square and that equals 20 then 20-11=9 the answer is 9?

*February 17, 2009*

**math**

yes ma'm

*February 17, 2009*

**math**

sorry my sister typed in her name so it says her name not mine thats my answer...12.7

*February 17, 2009*

**math**

Miguel cuts a square with a 5inch sides out of a circle with a 12inch diameter. Find the area of the remaining piece to the nearest tenth. I dont undersand how to figure ou the problem.

*February 17, 2009*

**science**

yes i would like help, im not doing to go in this class and i would like to have a better grade

*January 12, 2009*

**science**

2. Assignment: Psychological Disorders’ Presentation For this assignment, you will create a Microsoft® PowerPoint® presentation. Your presentation must briefly summarize how psychological disorders are classified including the role of the DSM IV. Your presentation...

*January 12, 2009*

**medical termenology**

calpocy

*January 6, 2009*

**chemistry**

Is 0.2% is 2/100 or 0.02/100

*January 5, 2009*

**physics**

coefficient of static friction = 0.20 fs = static frictional force mass = m g = 9.8m/s^2 as we know that fs = fnormal*coefficient of static friction so, fs= mg*0.20 as fnormal= mg = 9.8m N now, acc to newtons law fnet = fs ma = 9.8*0.20*m m's get cancel a= 1.96m/s^2 ...

*December 11, 2008*

**spanish**

i have to unscramble spanish words for homework and i can't figure this one out! the topic is clothing items (la ropa) and i need help unscrambling the word ROBNAAD

*November 24, 2008*

**math**

i dont knw

*October 31, 2008*

**7th grade math**

find each product 1 3/8 .2 2/3

*October 23, 2008*

**Math**

What properties are expressed in these equations? a=b a + [c + (-c)] = b + [c + (-c)] Also, would the property expressed in -a=-b be the substitution property of equality?

*October 19, 2008*

**INvisible man**

Is the brotherhood in the book invisible man, a white brotherhood or black?

*October 7, 2008*

**science**

Where do bob cats fall in the food chain?

*September 16, 2008*

**Design and Technology**

Why is the acrylic memory process only possible with thermo plastics?

*September 13, 2008*

**College Algebra**

4(x-6)-5(y+8)=90 F(x)=

*September 6, 2008*

**chemistry**

i'm not sure on this one but i dont think the volume ever changes, just the form that it is in.

*September 4, 2008*

**math**

68 2* 34 2* 17* 2 x 2 x 17

*September 4, 2008*

**Chemistry**

How do atoms bond to form molecules?

*September 2, 2008*

**math asigment**

EXAMINATION NUMBER: 05074800 7. Convert 3 5 9 to a mixed number written in lowest terms. A. 4 5 7 C. 7 4 5 B. 5 4 7 D. 7 5 4 8. What is the total of 49 1 4 + 3 3 8 ? A. 45 1 8 C. 52 1 2 B. 45 7...

*July 13, 2008*

**#2**

How might Michael’s or Jennifer’s situation illustrate adjustment? How might this situation become an opportunity for personal growth?

*June 5, 2008*

**analyzing smybolism**

Thank you soooooooooooooo much!!!!!

*April 30, 2008*