Questions Asked on
January 7, 2009

chemistry
What happens in terms of energy and stability when a covalent bond forms?
asked by Kate 
Calculus
I am lost. Find dy/dx by implicit differentiation. 1) 5y2x^2=x3
asked by Jane 
english
Rewrite the following as complete sentence neithernor 1.Shanti doesnot have an extra pen.Neelima doesnot have an extra pen either.
asked by ritu 
Calculus
Thanks Remy. I have one more  2y + 9xy4=0 I got 9y/2 + 9x
asked by Jane 
Chemistry
The temperature of a sample of neon is raised from 20 degrees C to 40 degrees C, the average kinetic energy of the neon atoms changes by a factor of? The answer is suppose to be 313/293, but I don't get how. My idea was since average KE = (3/2) kT then the
asked by Unsure 
chem
A sample of 45.0 ml of 0.750M AgNO3 solution is added to 65.0ml of 1.375M Cr(NO3)3 solution. Calculate the resultant concentration of nitrate ions in the mixture.
asked by bec 
Organic Chemistry
When 2methylpropene is bubbled into dilute sulfuric acid at room temperature, it appears to dissolve. What new substance has been formed?
asked by Joy 
english
what are the reasons why the students feel sleepy during classes?
asked by jaya4 
business law
A company has a problem with one of their directors, they have written to say that he is failing to contribute fully with the company. They would like to remove him, but would this cause them any financial problems?
asked by sabi 
English/Latin Translation
How do you say "live free" in latin?
asked by Stephanie 
English
Please check my essay and make corrections. In the famous play, Julius Caesar, the most important characters would have to be Caesar and Brutus. Each character has its distinctive role, Caesar as the ruler of Rome and Brutus as one of the Caesar¡¯s best
asked by Andy 
English
Please check my essay and make corrections. In the famous play, Julius Caesar, the most important characters would have to be Caesar and Brutus. Each character has its distinctive role, Caesar as the ruler of Rome and Brutus as one of the Caesar¡¯s best
asked by Andy 
math
Sam can do a job in 4 days that Lisa can do in 6 days and Tom can do in 2 days, how long would the job take if Sam, Lisa, and Tom worked together to complete it? A. 0.8 days B. 1.09 days C. 1.23 days D. 1.65 days E. 1.97 days thanks.
asked by tammy 
eth 125
Post your response to the following: If someone made the below statements to you, how would you explain that the statements are misconceptions? Include whether you think most Americans believe these misconceptions, and why or why not. o Asian Americans and
asked by Meshell 
math
could someone please check these problems for me? Thank you! 1. 0.7x
asked by deedra 
math
Solve system of equations x+3y=7 (1) x=83y (2) no solution
asked by deedra 
essay
In the famous play, Julius Caesar, the most important characters would have to be Caesar and Brutus. Each character has its distinctive role, Caesar as the ruler of Rome and Brutus as one of the Caesar¡¯s best friends. They both have the same goal, but
asked by Andy 
math
In 1993, the life expectancy of males in a certain country was 61.3 years. In 1999, it was 64.7 years. Let E represent the life expectancy in year t and let t represent the number of years since 1993. The linear function E(t) that fits the data is? answer:
asked by deedra 
science
earth science physical geology; If rock A cuts across rock B, then rock A is rock B a. younger than b. the same age c. older than
asked by Ruthie 
math
If Steven can mix 20 drinks in 5 minutes, Sue can mix 20 drinks in 10 minutes, and Jack can mix 20 drinks in 15 minutes, how much time will it take all 3 of them working together to mix the 20 drinks? A. 2 minutes and 44 seconds B. 2 minutes and 58 seconds
asked by tammy 
English
Why is Edgar Allan Poe insane?
asked by Kate 
science
The liquid in which a solid dissolves is known as a
asked by ritu 
english grammar
He can bake cakes He can make pastries and pies.
asked by girl 
Calculus
Here's another one  I think that I am starting to understand it. Find dy/dx by implicit differentiation: x^7 = cot y My answer is csc^2y / 7x^6
asked by Jane 
English
Why is Edgar Allan Poe insane?
asked by Kate 
health care
Does the AMA ethics opinion mention encryption as a technique for security
asked by Dorothy 
Assistance Dogs
Please check my answer thanks:) Heidi and her sightimpaired owner Becky are walking from school back to Becky's apartment. There's a watermain break in the next block and Heidi turns to take an alternate route to the apartment. Becky tries to continue
asked by Malie 
math
What does it mean to have two matrix variables written vertically inside parentheses? In other words, if A and B are matrices, what does this mean (imagine there is one set of parentheses spanning both rows): (A) (B) I'm trying to understand a least
asked by sergei 
Algebra
I am having problems figuring out some of my word problems for this week. Could someone check these? The equation y=1777x+27,153 can be used to predict the number of gun deaths in the U. S. x years after 2000, that is, x=0 corresponds to 2000, x=2,
asked by Samantha 
algebra
On 3 consecutive passes, a football team gains 5 yards, loses 28 yards, and gains 41 yards. What number represents the total net yardage? 528+41 18
asked by Samantha 
math
could someone please check these problems for me? Thank you! 1. 0.7x
asked by deedra 
algebra
Amy paid $62.18 for shoes during a 15% off sale. What was the regular price? $71.51 is this correct?
asked by Samantha 
algebra
Trains A and B are traveling in the same direction on parallel tracks. Train A is traveling at 100 mph and train B is traveling at 110 mph. Train A passes a station at 3:10 pm. If train B passes the same station at 3:40pm, at what time will train B catch
asked by Samantha 
Assistance Dogs
Please check my answer thanks :) . Which of the following is not an important job for a puppy foster family to teach? A. Socialization B. Housetraining C. Appropriate chewing D. Play bowing I think it is D
asked by Malie 
Assistance Dogs
Please check my answer thanks :) Service dogs are often taught to recall to a person A. sitting in a wheelchair. B. lying down. C. standing with crutches. D. kneeling down I picked A
asked by Malie 
psychology
When the XY genetic code begins to assert itself A ovaries begin to differentiate B testes begin to differentiate C estrogen begins to be produced D brain development begins to occur more rapidly i believe the correct answer is B
asked by tzeni 
math
Can someone help me finish this problem I am stuck! 5/4x+1/8x=11/8+x 10/8x+1/8x=11/8+x 11/8x=11/8+x 19/8x=11/8
asked by deedra 
psychology
Betty's cervix is fully dilated and contractions are strong. Nurse Lee explains to Betty's husband that his wife is in the 'blank' stage. A crowning B effacing C placental D transition i believe the correct answer is D.
asked by tzeni 
psychology
A pregnant mother may be wise to avoid all alcohol, since even social drinking may result in A fetal alcohol effect B a near certainty of miscarriage C schizophrenia D growth retardation i believe the correct answer is A
asked by tzeni 
Assistance Dogs
Please check my answer thanks :) 10. Guide dogs are usually at least mediumsized because they A. need to be able to reach up to counters and table tops. B. are required to pull wheelchairs during training. C. need to be able to see above obstacles. D.
asked by Malie 
psychology
You are likely to be observing the rooting reflex when the baby A turns his or her head and mouth toward a stimulus tha brushes his or her cheek B sucks at almost any object that touches his or her mouth C voluntarily seeks out objects to grasp and to hold
asked by tzeni 
psychology
Which of the following statements regarding sex hormones is true? A female sex hormones aren't involved in the primary development of the sex organs B female sex hormones are necessary for the primary development of the sex organs C without sex hormones,
asked by tzeni 
math
In 1993, the life expectancy of males in a certain country was 61.3 years. In 1999, it was 64.7 years. Let E represent the life expectancy in year t and let t represent the number of years since 1993. The linear function E(t) that fits the data is? answer:
asked by deedra 
math
ok, i typed it out right this time. (5/4)x+(1/8)x=11/8+x (10/8)x+(1/8)x=11/8+x (11/8)x=11/8+x (3/8)x=11/8 Ok now I subtracted from both sides How do I finish the problem out?
asked by deedra 
psychology
A pregnant woman is most likely to decide to use the Lamaze method because she A is interested in eliminating the pain of delivery B would prefer to speed up the delivery process C would rather take a longer time in delivery to reduce trauma to her baby D
asked by tzeni 
205
Michael Jackson has had more plastic surgery than anybody else in California. You can bet he's had more than anybody in Connecticut!
asked by babyboom 
psychology
As it turns out, children whose mothers took diethylstilbestrol during pregnancy A show serious mental deficts by age five B have higher infertility rates when grown C are more likely to develop lung cancer late in life D are more likely to engaged in
asked by tzeni 
trigonometry
can you please tell me what is the sec of (855 degrees). and how to find it. thnks
asked by y912f 
trigonometry
i posted this question up before but it didn't show up. anyways.. i need help determining whether these two statements are true or not. i tried converting them into square roots but never got the right answer. like cos30=square root 3/2. here they are 1.
asked by y912f 
psychology
You would be concerned about possibility of Rh incompatibility if A enzymes produced by the fetus infect the mother B bacteria from the mother cross the placenta and are transmitted to the fetus C antibodies produced by the mother are transmitted to the
asked by tzeni 
Calculus
Answer ?  impicit differentiation Find dy/dx & d^2y/dx^2 y^2  x^2 = 2 is the answer dy/dx=x/y; d^2y/dx^2= y^2x^2/y^2
asked by Jane 
psychology
You can be certain that a child has suffered from fetal alcohol syndrome should you discover A smallerthanaverage brain size B low level of infant activity C poor vision D aboveaverage physical growth followed by belowaverage growth i believe the
asked by tzeni 
Assistance Dogs
Please check my answer thanks:) After a dog learns to perform a specific task, the task must then be generalized to various locations. The task must then be _______, so that the dog is able to perform the response despite any distractions such as crowds,
asked by Malie 
Literature
would you say darwinism is the most believed out of all the evolutionary theories?
asked by Mandy 
Accounting 101
What type of transaction decreases a liability and increases a liability.
asked by Carol 
trigonometry
these two are the same type of questions but i have no clue how to figure out the answer. i have tried drawing it out but don't know what to do after that. 1. a bicycle with a 28inch wheel(diameter) travels a distance of 800 feet. how many revolutions
asked by y912f 
trigonometry
can you tell me how to actually do this. find thenumebr of radians through which the hour hand of a clock turns in 5 hours. i don't know what i did, this is what i wrote: 360degrees=1 hour 1800 degrees=5 hours 1800(pi/180) somehow i got 10pi which is
asked by please check 
psychology
which of the following hormones is present in a woman's bloodstream right before she gives birth? A prostaglandis B androgen C amniotic fluids D oxytonic i believe the correct is D but i'm not sure
asked by tzeni 
psychology
Why is the placenta unique as to its origin? A it's the first fetal structure to develop B it's allows the mixing of oxygen and nutrients between mother and child C its develops from material supplied both by the mother and the fetus D it provides the
asked by tzeni 
Basic Math
Adding real numbers true or false ?  8  +  3  =   8 + 3  it is true. Can somebody tell me if I'm right?
asked by A.W. 
physics
Hi if I divide a molar mass of an element by Avogadro's number (63022X10^23) will i have the mass of 1 atom of the element? Thanks
asked by charlie 
Math
2(5x + 1) = 3(3x + 7) a) x = 19 b) x = 20 c) x = 21 Can you please explain it step by step please? I don't get the question and I want some easy, thorough explanation with a through guide of what you're calculating. Thank you so much!
asked by Renee 
trigonometry
Can you tell me if these answer is correct. 1. From a boat on the lake, the angle of elevation to the top of a cliff is 35degrees13'. if the base of the cliff is 2664 feet from the boat, how high is the cliff(to the nearest foot)? i got 1880 feet. is this
asked by please check 
algebra 1
You recently have found a location for your bakery and have started implementing the first phases of your buisness plan. Your budget consists of an 80,000 dollar loan from your family and a 38,250 dollar small buisness loan and these loans have to be paid
asked by tera 
5th grade
How do I simplify 4/8 + 5/8 and 7/9 + 6/9? Thanks
asked by Medi 
Basic Algebra
Solve the following equation: 3(2x  5) = 3(x + 1)
asked by please answer 
Atomic Mass
Hi if I divide a molar mass of an element by Avogadro's number (63022X10^23) will i have the mass of 1 atom of the element? Thanks
asked by charlie 
Basic Math
How do I do this problem : (9)^2  (6) ^2
asked by A.W. 
Basic Math
(9) to thr second power minus (6) to the second power: I got this 9 * 9  (6)(6) = 81  36 = 45 is this right ?
asked by A.W. 
chemistry
what is the electron configuration of a calcium atom whose atomic number is 20
asked by melissa 
trigonometry
1. A boat sails for 4 hours at 35 mph in a direction 135degrees 51'. how far shouth has it sailed (to the nearest mile)? Is it 96 miles?? 2. A ship travels 55 km on a bearing of 11degrees, and then travels on a bearing of 101degrees for 133 km. find the
asked by please check 
science
which of these is always equal to the number of protons in an atom
asked by help 
Math
I need some help please. I don't understand the math that we are doing. Please explains to me in detail how to do radical expressions and like how to simplify them and stuff. I don't get it and it would be much appreciated. here is one of the problems.
asked by MissyQ 
Algebraplease help!
Here's my question. Please walk me through it so I can fully understand it. Jon begins jogging at a steady 3 meters/sec down the middle of Lane #1 of a public track. Laaura starts even with him in the center of Lane #2 but moves at 4 meters/sec. At the
asked by Caroleen 
7th grade
Why is the coral reef an ecosystem?
asked by Peyton 
business
What's the benefits of trade. Description of increased quantity and quality of goods and access to resources.
asked by Victoria 
World History
Do you support the colonization of the Philippines by the United States? Explain.
asked by James Tran 
World History
Do you support the colonization of the Philippines by the United States? Explain.
asked by James Tran 
global
who is lenin
asked by adam 
chem
what would cause scientists t change the current model of an atom
asked by mel 
social studies
When did hatshpsut come to power?
asked by sam 
Algebra 2
What's the answer to Algebra With Pizzazz B50, Page 60???
asked by Terrell 
algebra
without graphing classify each system as independent, dependent, or inconsistent. 2xy=9 3x4y=8
asked by wesley 
science
what color can be formed by combining complementary colors?
asked by Olivia 
Algebra 1
I need some help please. I don't understand the math that we are doing. Please explains to me in detail how to do radical expressions and like how to simplify them and stuff. I don't get it and it would be much appreciated
asked by Can sombody please help me 
simple science
1. growing vegitation on top of a building: what is it called? 3. what are three ways trees cool down an area?
asked by brooke 
rehabilitation
under what circumstances is it easy to turn your will and life over to the care of god
asked by rob 
7th grade
Does anyone know where I can find video clips of the blue planet ecspecially the part on the coral reef?It is related to the question about why is the coral reef an ecosystem?
asked by Peyton 
Human Behavior
What are the merits of multiple perspectives when examining human behavior? Why is it important? Provide examples of the impact of using multiple perspectives when providing services to a family or individual.
asked by Sasha 
Business, help asap!
here is the case. While in Australia, you discover a raspberry jam with incredible flavour. You know Canadians would enjoy this product, so you import it. The jam sells in stores for $5.00 a jar, a slightly higher price than standrad jam. The Canadian
asked by Victoria 
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 5x4y=11 10x=6y help me plz......
asked by vero 
socal studies
what was hamilton and his supporters called
asked by allie 
Urgent algebra help!
Here's my question. Please walk me through it so I can fully understand it. Jon begins jogging at a steady 3 meters/sec down the middle of Lane #1 of a public track. Laaura starts even with him in the center of Lane #2 but moves at 4 meters/sec. At the
asked by Caroleen 
social studies
ok this is the question jefferson believed that the creation of a national bank was a)unconstitutional b)faction c)democratic republicans d)federalist
asked by allie 
english
Is this examples of Irony and Juxtaposition? In that three foot pile nowirony one earthquake in Alaska, seventeen American soldiers juxtaposition
asked by Victoria 
Human Behavior
What are the merits of multiple perspectives when examining human behavior? Why is it important? Provide examples of the impact of using multiple perspectives when providing services to a family or individual.
asked by Sasha 
english
what is an affix ....is it the ending added to a root word
asked by trisha 
biology
how do you recognize someone with turner's syndrome?
asked by dee 
7th grade
2n +43n=
asked by tj 
Math 115
4  () + 1 ____________ 2  2 ÷ (2) I have asked for help with this and Ms Sue said is was not able to be solved. Here is what my instruscot says: Debbie, it definitely has an answer. Be careful with your signs and remember that in the denominator you
asked by Deb 
6th grade
I'm supposed to write a paper on the "real" reason behind not running in the house. It's just why you think you shouldn't run in the house, just something funny nothing real. What should I say is the reason, that will make my class laugh?
asked by alice 
science
a device that uses electicity to a force to move things
asked by greg 
mathstatistics
An appliance manufacturer stockplies washers and dryers in a large warehouse for shipment to retail stores. Sometimes in handling then the appliances get damaged. Even though the damage may be minor, the company must sell those machines at drastically
asked by Sherri 
Filipino to english
Can anyone help me with this message. Its suppose to be in Filipino and I need to know what it says in English!! kagigising ko lang,, natulog agad ako padating ko, kasi hindi ako makatulog kahapon bago pumasok,, kaya antok ako sa work kanina, kaya pag uwi
asked by debbie 
mathj
inverse of (x+2)^2 is it sqrt of (x)  2
asked by maddie 
ENGLISH
can anybody give me an example of limited omniscient. i already know that it is where you can hear the thoughts of one of the characters but i would just like an example in a sentence. please and thank you
asked by Casey 
Criminal Procedures
Criminal Procedures Topic At 12:00 p.m., on August 16, 2005, Robert Smith began his journey to freedom down the halls of the prison he called home for the last 2 years. Despite receiving a 5year sentence, Robert was paroled for good behavior. His lawyer
asked by Ree 
trigonometry
Assume that the cities lie on the same northsouth line and that the radius of the earth is 6400 km. Can you help me find the latitude of Spokane, WA if Spokane and Jordan Valley, OR, 43.15degreesN, are 486 miles apart. I think its either A. 47.50degN or
asked by y912f 
Hunting Training for Dogs
Please check my answer thanks :) True or False field trials are noncompetitive events I say that it is True
asked by Malie 
chemistry
how many moles are in carbon? ow many moles of each element are in methane?
asked by monica 
chemistry
what are three chemical characteristics and ten physical characteristics so far for physical i have color taste smell size luster shape texture is this what they are asking for?
asked by lyne 
social studies
what was the name of the god who guarded the livers canopic jar
asked by asher 
7th grade
what is a adjective for things which belong to britain
asked by Anonymous 
Filipino to english
kagigising ko lang,, natulog agad akon padating ko, kasi hindi ako makatulog kahapon bago pumasok,, kaya antok ako sa work kanina, kaya pag uwi ko natulog ako,, 12:20pm na dito,, ingatka
asked by debbie 
Social studies
I need 10 facts about the Islam religion Thank You: Leslie
asked by Leslie 
science
what is defined as a change of position
asked by kristen 
trigonometry
please check my answers. 1.Find the area of the sector of a circle. r=11.8cm, thetapi/7 radians I got 31.2cmsquared 2.Find the radius of a circle in which a central angle of pi/6radian determines a sector of area 76square meters. I got 17.03m 3.Find the
asked by y912f 
college
can someone please help me solve the following problems Solve the following: 1. 2/7  1/3 = ? 2. 4/5 x 15/2 = ? 3. 2 1/2 ÷ 3/4 = ?
asked by sandra 
Algebra 1a
Can you help me ? (: solve for t 2 c=3s t The s has an exponent of 2.
asked by Mary 
O CHEM  dr. bob
1. What is the maximum volume (at STP) of the butene mixture that could be obtained by the dehydration of 81 mg of 2butanol? 2. When 2methylpropene is bubbled into dilute sulfuric acid at room temperature, it appears to dissolve. What new substance has
asked by Dora 
history
why did president johnson would find it necessary to encourage congress to cooperate with him? thank you
asked by Corey 
Basic Math
Can somebody see if I did these right? 16 divided by (2)(4) over 2 to the third power plus 4= 16 divied by 8 over 6 + 4= 2/ 10 = 1/5. and 4  (3) + 1 over 22 divided by (2) = 4+3+1 over 22 divided by (2)= 8/3 = 2 2/3. Is what I got ; does my answers
asked by A.W. 
8th grade
WRITE A UNIT RATE 250 MILES FOR 20 GALLONS
asked by MARTIA 
trigonometry
Find the values of s in the interval [0,pi/2] that make the statements true. 1. sin s=0.75438373 2. cos s=0.74241049 3. cot s=5.6394377 Can you tell me how you solve these.
asked by y912f 
ENGLISH
our assignment for homework was to take a nursery rhyme and make it a different point of view. in order to do that we were allowed to add in phrases to the rhyme any place we thought would sound good. so i took Little Miss Muffet and tried to make it
asked by Casey 
math
what is sixtimes five?
asked by ashley 
Math
A square piece of cloth is folded in half to form a rectangle. If the resulting rectangle has a perimeter of 8 inches, what are the area and perimeter of the square piece of cloth?
asked by Tiffany 
chem
how many protons, nnutrons, atomic mass, mass number, and charge to each of the following have? sodium atom fluorine ion stannic ion for sodium i have protons=11 electrons=11 neutral charge how do i find the number of neutrons cause im pretty sure mass
asked by lyne 
song interpretation
my daughter got an assignment to prove the genre of the song hello muddah hello faddah using the song as proof. what does this mean I looked up the word genre in the dictionary and that was a waste can u pls help me.....thanks
asked by Glen 
Science
what are some things you can see in the sky?
asked by Judy 
social studies
which of the following statements best describes kennedy's point of view? a.the only way that people can influence their government is by writing letters to their elected officials. b.you are not a citizen unless you vote. c.voting effects everyones
asked by samantha 
chem
need help on chemistry below
asked by lyne 
spelling
brother is to mother like fly is to? 4 letters and must include scr spr str or thr
asked by Jane 
trigonometry
find the exact values of s in the given intervals that have the given circular function values. 1. [pi/2,pi]; sin s=square root 2/2 2. [pi/2,pi]; cos s=square root 3/2
asked by y912f 
IT 221
You are in the implementation phase of a project and your customer indicates they need a specific change to the project that changes the scope of the deliverables. How would you handle this request and why?
asked by Sam 
analogies/spelling
fifteen is to five like nine is to ? 5 letters starts with scr, spr, str, thr
asked by john 
math help pleaseee (: ! <345
One hiking club charges $20 to become a member and $5 to participate on each hike. Anotherclub charges no membership fee, but charges $7 to participate on each hike. How many hikes must you go on to make the first club more economical ?(:
asked by Mary 
ALGERBA
Can someone help me solve this please? [SQRT(2x2 + 6x + 4)] = x + 1
asked by Lucas 
Chemistry  plz help
how do i calculate the percentage of ionic character .. ex. HO = electronegativity difference = 1.2
asked by Jen 
3rd grademusic
How can you prove the genre of the song, "Hello Muddah Hello Faddah", using the lyrics in the song?
asked by Elaine 
Human Services
What are the merits of multiple perspectives when examining human behavior? Why is it important? Provide examples of the impact of using multiple perspectives when providing services to a family or individual.
asked by Sasha 
2nd grade Math
Wich 3 flowers add up to 85 cents? Tulip48 cents Rose52 cents Dafidale25 cents Viloit37 cents Sunflower23 cents
asked by Lauren 
Chemistry
When working with the combined gas law you would use the following equation: (P1)(V1)/T1 = (P2)(V2)/T2 I am not quite sure how you would rearrange this equation to solve for T2. Please Help ! :)
asked by Anonymous 
lit
could you help i need abou 6 ideas for a expository piece Thanks:leslie
asked by Leslie 
Chemistry+need help checking work
Using aervage atmoic masses for each of the following elements, calculate the mass, in amu (grams) A. 635 atoms of hydrogen > 1 mole of H = 1.01g = 6.022 x 10^23 atom 635 atom of H 1.01g/6.022 x 10^23 atom I got 1.06 x 10^21 amu. I got that answer
asked by Chopsticks 
math
How many degrees are in a hexagon?
asked by Anonymous 
7th grade
features that define the performance of a system are called what?
asked by jim 
chemistry
How do I balance this equation for silver nitrate and sodium chloride reacting to form sodium nitrate and silver chloride. AgNO3 + NaCl = AgCl2 + NaNO3
asked by kayla 
Algebra
Write the equation of a line in slope intercept form that contains (3/4, 1/2) and has the same slope as the line described by y + 3x = 6.
asked by Jake 
trigonometry
a wheel is rotating at 8 radians/sec, and the wheel has a 47 inch diameter. to the nearest foot, what is the velocity of a point on the rim in ft/min? all i know is that you have to use the formula v=r.w
asked by y912f 
science
No more solute can dissolve in a solution if it is asolution.
asked by gay 
math help pleaseee (: ! <345
the sales tax rate in a certain state is 5% find the total price paid for a apair of shoes that cost $47
asked by Mary 
english
JOIN THE SENTENCS USING NEITHERNOR1.Mani is not good at maths.Mani is not good at Geography.
asked by ritu 
math help me plz
elimination method 1> 7x+15y=32 x3y=20
asked by Anonymous 
Science
What letter represents the nucleus of a cell?
asked by Daniel 
Algebra I
Stephen is walking from his house to his friend Sharon's house. When he is 12 blocks away, he looks at his watch. He looks again when he is 8 blocks away and finds that 6 minutes have passed. Write 2 ordered pairs for these data in the form (time, blocks).
asked by Jake 
Dr Bob
okay and i don't understand what they are asking for for chemical characteristics. i was thinking like density, melting point, and boiling point but arent those physical too?
asked by lyne 
geometry
whats the formula for area of a triangle pyramid?
asked by alex 
pre calculus
You set up a business and make an initial investment of $10,000. The unit cost of the product is $2.85 and the selling price is $4.95. How many units must you sell to break even?
asked by nichole 
trigonometry
assuming that Earth's radius is 6400 km, find the linear velocity of Quito, Equador, a city on the equator. (Use pi=3.1416 and 1.6 km=1 mile).
asked by y912f 
Chemistry
1. Why does the distance between two nuclei in a covalent bond vary? 2. How does a molecular orbital differ from an atomic orbital?
asked by Kate 
History
Did Mayans sacrifice by using fire? Thanks for your help!!
asked by Louise 
science
Does anyone know what letter represents the nucleus of a cell?
asked by Daniel 
Earth Sci
A cobblesized sediment is naturally broken off the steep sides of a valley in a mountainous region. The sediment falls onto a glacier that occupies much of the valley. Over several years, the sediment “falls through” the glacier and is then dragged
asked by Ivy 
math
what is the answer to 4/7 divided by 8/9 my teacher isnt very good at helping me
asked by Lala 
Chemistry
1. How does the strenght of a covalent bond relate to bond length? 2. Compare the degree of polarity in HF, HCL, HBr, and HI? 3. Given that it has the highest electronegativity, can a fluorine atom ever from a nonpolar covalent bond? Explain your answer.
asked by Kate 
Science
When trying to predict, tomorrow's weather, what area would you most want weather information about?
asked by Traci 
pre calculus
The perimeter of a rectangle is 480 meters and its length is 1.5 times its width. find the dimensions of the rectangle.
asked by nichole 
business
Here is a question on free trade. Country X and Country Z have a free trade agreement. If Country X buys trucks from Country Y and sells the trucks to a car dealer in Country Z, does the buyer need to pay duty on trucks. Why or why not? I think that yes,
asked by Maria 
math
i need help in some fraction problems
asked by leyla matiaz 
speech
Can somebody give me examples of words with accented schwa? I also need some videos on how to pronounce words with accented schwa. Thank you.
asked by klar_maesen 
chemistry
continued from before.... the question was what are three chemical characteristics and ten physical characteristics so then would i have to say something like when iron rusts or sugar burns or something like that i was thinking that would just be a
asked by lyne 
6th grade Math
What is the average (mean) distance you walked? Mon1 2/3 mi. Tues 2 3/4 mi Wed  3 1/3 mi. Thurs.  1 2/3 mi. Fri  2 3/4 mi. You plan to walk on Saturday. How far must you walk on this day so that your 6 day average is 2 1/2 miles?
asked by Hannah 
math  reqents
i need sOme seriOus heLp . On . some . linear equatiOn . inequalities packet that i have . please HELP =[
asked by HiPOLitO 
algebra
the area of a pizza is 220 square centimeters. what is the radius
asked by elizabeth 
math
twenty times the square of a nonzero number is equal to 15 times the number. what is the number?
asked by monkie 
Basic Math
Can somebody see if I did these right? 16 divided by (2)(4) over 2 to the third power plus 4= 16 divied by 8 over 6 + 4= 2/ 10 = 1/5. and 4  (3) + 1 over 22 divided by (2) = 4+3+1 over 22 divided by (2)= 8/3 = 2 2/3. Is what I got ; does my answers
asked by A.W. 
algebra 2
factor this: x^26=10
asked by Sally 
4th Grade Social Studies
What landform in Mexico is compared to the Grand Canyon in the U.S.?
asked by Rosalie 
math
how many mL in .00670 grams of a substance that has a density of 1.96 g/cm3. do you do 1.96g/cm3 divided by .00670 grams to solve for cm3 since cm3 = mL
asked by lyne 
math help urgent
what di di do wrong in this??? the question is: x8y=18 16x+16y=8 i did : first multiplied the first equation with 2 then 2x16y=36 16+16y=8  14x=28 x=28/14 x=2 now x8y=18 (2)8y=18 8y=18+2 8y=20 y=20/8 y= 2.5 plz help me what did i
asked by Anonymous 
9th grade science
what do you call a female bug that floats?
asked by Dave 
math
how do i solve this logarithm log(base 9)X + 3log(base 3)X = 14
asked by kayla 
MATH PLEASE HELP!
According to Boyle's law, the pressure p of a compressed gas is inversely proportional to the volume, v. If a pressure of 20 pounds per square inch exists when the volume of the gas is 500 cubic inches, what is the pressure when the gas is compressed to
asked by Roger 
9th grade
using only 15 of these letters,tlpuytsiaaganbrnlrog,what do you call a female bug that floats?
asked by Dave 
math
write a rate that can be calculated from the given information. include the rate unit. 1. there are 40 cars parked in the 6 rows of that parking lot. 2. shante read 3 pages in 5 minutes. 3. latisha read 31\2 pages in 5 minutes.
asked by cornelia 
Math
Rudy worked hard all summer. Before school started he decided to go shopping and spend some of his earnings. He spent 1/3 of his money on a new shirt at HOT Fashions in the Mall. He then went to Marvin's Music and bought a cd with 1/3 of his money he had
asked by PeyPey 
chem
are these correct when solving for proper significant figures 2.33 + 4.0045=6.33 .000456 + 1.0023=1.0027 2.33/4.0045=.582
asked by lyne 
9th grade
ms.sue whats the answer?to my question? Thanks,Daves dad
asked by Dave 
Algebra
WELL SOMEONE HELP ME SOLVER THIS PROBLEM PLEASE!!!!!! Janet can shovel snow from her driveway in 55 minutes. Jim can do the same job in 50 minutes. How long would it take Janet and Jim to shovel the driveway if they worked together?
asked by pj 
7th grade math
wriet a rate that can be calculted from the given information. include the rate unit. 1. there are 40 cars parked in the 6 rows of that parking lot.
asked by cornelia 
chemistry
arent the allotropes of carbon diamond buckminsterfullerene(or whatever its called haha) and graphite?
asked by lyne 
9th grade chemistry
what is the study of substances containing carbon?
asked by hannah 
chem
sorry for all the questions i have an exam tomoro! but what is intrinsic or intensive are they the same?
asked by lyne 
english need help
what does thesis mean? like what i want to know is whether it is only a sentence or a paragraph?
asked by Anonymous 
7th grade math
indicate the measure and the measure unit. 1. there are four windows in the room each 36 inches wide. 2. luisa received a gift of $100 from a relative when she graduated from 8th grade.
asked by cornelia 
Science
What causes tides?
asked by Ashley Bernal 
math logarithm
proof: 2/ log a base 9  1/ log a base 5 = 3/ log a base 3??
asked by MAYA 
Physics  Submerged Cylinder
A cylindrical diving bell 5 m in diameter and 10 m tall with an open bottom is submerged to a depth of 150 m in the ocean. The temperature of the air at the surface is 20 degrees Celsius, and the air temp 150 m down is 2 degrees Celsius. The density of
asked by Phil 
math logarithm
proof: 2/ log a base 9  1/ log a base 5 = 3/ log a base 3??
asked by MAYA 
math
find the product. 2/3 x 7/8
asked by Paul 
chemistry
I don't understand net ionic equations; for example, when you're given Pb(NO3)2(aq)+2LiCl(aq) how do you know that in the product Pb has to be paired with Cl2 and Li with NO3 to make PbCl2(s)+2LiNO3(aq)?
asked by GP 
chem
The term Intrinsic denotes a characteristic or property of some thing or action which is essential and specific to that thing or action, and which is wholly independent of any other object, action or consequence. A characteristic which is not essential or
asked by lyne 
technology
What are the parts of an Overhead Projector?
asked by stunning[gurl] 
5th grade
jose and sara are walking around the track at the same time. jose walks one lap every 8 min. sara walks a lap 6 min.what is the least amount of time they would both have to walk for them to cross the starting point together
asked by asdfg 
English  Shakespeare
In "Othello" Desdemona is slapped by Othello in Act 4 Scene 1. Why soesn't she defend herself eventhough she's innocent? I was thinking that maybe she was just too stunned to do anything or maybe she thought that something was wrong such as he was ill or
asked by ABCD 
ESSAY
How was Brutus considered as ¡®the noblest Roman¡¯ despite the fact that he was one of the conspirators? Julius Caesar, written by William Shakespeare in 1599, was one of the most successful plays in our history. Although it is called Julius Caesar,
asked by ANDY 
precal
(48)with the exponent of 1/2
asked by ash 
Alg 2
Can someone tell me how to factor 2a^2  16ab + 32b I just need someone to help me get started, and I want to see if I can finish it.
asked by Chopsticks 
matyh
x^2 = x^21 = x^21 = (x1)(x+1) x = 1 x1 x1 Is this right, please help me solve
asked by Julissa 
Math
What is the scientic notation of 6,100?
asked by Kegan 
math
wait how do i do this one then same thing? 10 x (2 3/11)
asked by Paul 
Music reading
How to improve sight reading?
asked by Lily 
math
x^2 = x^21 = x^21 = (x1)(x+1) x = 1 x1 x1 Is this right, please help thanks
asked by Julissa 
Algeba
Could someone show me how to solver this problem Please!!! Find allnumber for which the rational expression is undefined? 6/y9
asked by pj 
Chemistry
My teacher hasn't really talked about types of reactions; he's just given us a list of net ionic equations involving water and different elements including Lithium, Sodium, Calcium, Magnesium, Lanthanum, and Potassium to memorize. However, his test
asked by GP 
social studies
how did cultural borrowing bring writings to greece
asked by linda 
noli me tangere
Hi,there! I'm from Philippines. I need to find the original version of the "Noli Me Tangere" which is written in Spanish with the translation in English.
asked by joanalyn 
Prealgebra
its telling me to find the product 5/6 x (8) what i got was 6 2/3 can you tell me if i was right and how?
asked by Linda 
precal
(8)the exponent is 1/3
asked by ash 
ENGLISH
our assignment for homework was to take a nursery rhyme and make it a different point of view. in order to do that we were allowed to add in phrases to the rhyme any place we thought would sound good. so i took Little Miss Muffet and tried to make it
asked by Casey 
algebra
t/3
asked by Stephanie 
editing...
"Expand and strengthen my academic and professional development." Which other word could I replace the word development with...it does not seem to work in the above sentence....
asked by Rena 
alg 2
Can someone tell me how to factor 2a^2b  16ab + 32b Should I factor 2b out of it?
asked by Chopsticks 
Chemisty
If ten drops of 0.3 M HCl are mixed with ten drops of 0.3 M Na2S2O3, what will be the concentration of each chemical in the mixture? Please help, i am pretty sure that the concentration should be 0.3 M but i am not sure if i am supposed to do somthing with
asked by Nancy 
math
The tread depth of the tires on your family's new car is 3/8 inch. you predict that, as a result of driving the car, the change in tire tread depth will be about 3/64 inch per year. A. write a variable expression for the tire tread depth after y years of
asked by matt 
Physics
Is the average velocit over a specific timeinterval always half of the instantaneous velocity at the end of the interval. I said False, because if the curveis not linear this would not be true. Would this be a a sufficent answeror am I missing anything.
asked by George 
Physics also
A cylindrical diving bell 5 m in diameter and 10 m tall with an open bottom is submerged to a depth of 150 m in the ocean. The temperature of the air at the surface is 20 degrees Celsius, and the air temp 150 m down is 2 degrees Celsius. The density of
asked by Phil 
prealgebra
You want to paint a wall that is 8 3/4 feet high and 11 1/4 feet long. You have a can of paint that will cover 200 square feet with one coat. A. find the area of the wall. b. if you want to apply two coats of paint , do you have enough paint? explain
asked by Greg 
human resources
What steps you would take to prepare yourself for a career in International Human Resource Management (HRM)?
asked by China 
Alg 2
Ok heres another factoring that I need someone to check Problem: x^3 + 27 (x^3  3^3) So I moved the positive and found out what cubed would make 27 Using the forumla: (ab)(a^2+ab+b^2) (x3) (x^2 + 3x + 9) Right? Or did I make a mistake?
asked by Chopsticks 
math
F6P = 0.504(1.3 − F6P) solve for F6P?
asked by lanka 
Check my previous post
thanks.
asked by Chopsticks 
Chemistry/Physics
A Sample of gas is held at constant pressure in a cylinder moved by a closed piston. If the volume is halved, how will the new Vrms speed compare with the old one? a) square root of 2 times greater b) the same c) 2 times greater d) 4 times greater e) none
asked by samantha 
Physics
According to Kinetic Theory, the molecules of a gas at given temp: a) all move with speed Vrms b) all move at speeds greater than Vrms c) speeds less than Vrms d) above, at, or below Vrms e) none i think its D as Vrms is an average but i am not sure
asked by Sarah 
Organic Chemistry help Dr. Bob
1. What is the maximum volume (at STP) of the butene mixture that could be obtained by the dehydration of 81 mg of 2butanol? 2. When 2methylpropene is bubbled into dilute sulfuric acid at room temperature, it appears to dissolve. What new substance has
asked by dora 
Math
Ok heres another factoring that I need someone to check Problem: x^3 + 27 (x^3  3^3) So I moved the positive and found out what cubed would make 27 Using the forumla: (ab)(a^2+ab+b^2) (x3) (x^2 + 3x + 9) Right? Or did I make a mistake?
asked by Chopsticks