Questions Asked on
May 18, 2007

Science
What kind of joints do not allow movement? A. Hinge joints B. Ball and Socket joints C. Pivot joints D. Fused joints Fused joints. I hope this helps. Thanks for asking. Fused joints. Fused joints
asked by Stevi 
Science
The diploid cell that result from fertilization is called a(n)___. A. Egg B. Sperm C. Zygote D. Embryo look up zygote, and embryo here: http://www.onelook.com/
asked by Yana 
natural science
what gas does the sun burn? Thank you for using the Jiskha Homework Help Forum. Here's an interesting site about the sun. The source of the sun's fuel is hydrogen and helium gases. Due to a special chemical reaction, called nuclear fusion, the hydrogen gas
asked by Celsy 
Mathematics
sqrt 6 * sqrt 8 also sqrt 7 * sqrt 5 6.92820323 and 5.916079783 So you can see the steps — sqrt 6 * sqrt 8 = sqrt 48 sqrt 7 * sqrt 5 = sqrt 35 I hope this helps a little more. Thanks for asking.
asked by Tina 
ancient worlds
Does anybody know web(s) for famous landscapes in Ancient Greece? This is 4 a project. Please reply ASAP. http://www.thewordtravels.com/ancientgreece.html Five are listed here. =) Thanks so much. The info really, really, helped me. Once again, THANKZ! :)
asked by LP 
Chemistry
I have an assignment Q A 0.1 mol L1 water solution of NH4CH3CO2 has a pH of approx 7. Explain this using two equations. I have one equation CH3COO(aq) + H2O(l) > CH3COOH(aq) + OH(aq) What could the other equation be? NH4CH3CO2 is the salt of a weak
asked by Fiona 
behavioral science
Can anyone help me with some of the differences betweenthe heredity and the horomones on the human behavior? This is a very broad question. Are you asking about adolescent behavior? Heredity and hormones certainly play a part in behavior, but environment
asked by Anonymous 
science
if one mole of the compound Al4C3 has a mass of 144g and one mole of carbon has a mass of 12g, calculate the relative atomic mass of the element aluminium. Subtract 3*12 from 144 (ie, 108) Relative atomic mass= (108/4)/12
asked by smartypants 
Algebra
Please help to find x, y 1. 8xy=17 6x+y=11 2. 5x2y=17 2x+3y=3 Question no.1 8xy=17 6x+y=11 (adding the equation) __________ (y and +y will be 0) 14x =28 Taking variables to one side x=28 __ 14 14*2=28 therefore x=2 substitute this value of x in
asked by Tamia 
PreAlgebra
Please help to solve to find x,y 1. y=7x3 2. 4x+2y=8 Take the value of y in the first formula and substitute it for y in the second formula. Solve the second formula for x. Once x is found, solve for y in the second formula. Check by inserting both values
asked by Lee 
algebra 2
factor completely 3x^214x24 I do not see the gcf for the problem I am totally lost can some explain please I have several these problems and i need to figure out how to solve them You put 3x^214x24 = (a x + b)(c x + d) Equating the coefficients on both
asked by CINDY 
Science
Usable materials that man can obtain from the physical world are called.... A.Fertilizers B.Renewable resources C. Natural Resources D. Fossil Fuels Please Relply ASAP, thanks.
asked by Yana 
economics
(This homework question was removed due to a copyright claim submitted by K12 Inc.) I don't know much about this, so I googled it. I still didn't find a lot, but this idea might help. Note that this is just one idea I saw that made sense to me and I know
asked by stacy 
algebra
Plug in (1) for x. It will look like this: f(1) = 4 *(1)  3 four times negative 1 equals negative 4, so... f(1) = 4  3. negative four minus three is easiest to figure out with a number line...it equals negative seven. So: f(1) = 7. And you're
asked by Stacy 
socila studies
what is texas important land form I don't know what you mean by "important" The Texas coastal plain, the Hill country, the western desert, and the Northern high plains, and of course, the TransPecos region of the Rocky Mountains. I suggest you do an
asked by vicky 
economics
(This homework question was removed due to a copyright claim submitted by K12 Inc.) http://www.google.com/search?q=import+substitution+policy&rls=com.microsoft:enus:IESearchBox&ie=UTF8&oe=UTF8&sourceid=ie7&rlz=1I7SUNA Here are various sites that
asked by stacy 
social studies
what is texas important important service industries I don't know what you mean by "important". Major employers of service type jobs are fast foods, cleaning, police, maintenance and repair organizations (automobile, aircraft, building), and state and
asked by vicky 
maths
What is the period of this function?  Maths? y = 5+3sin (pie t divided by 3 + pie divided 2) by definition the period is 2pi/k where k is the coefficient of the "angle" so divide 2pi by pi/3 and simplify, hope you get 6
asked by claudia 
Predication
A book that has an exciting introduction and a surprising ending would be the best story for me to read. (Broken Link Removed) Be sure to read the first sentence very carefully  then read the rest. I think the problem in this sentence is with the linking
asked by Anonymous 
Art
what are the form and content in Michaelangelos Creation of man? How do you pick out line, balance, shape, color, contrast, texture, space, and proportion to size in this painting. Posted for Guru Blue These sites will give you some information on that
asked by suzie 
pH
im trying to calculate the pH of a 1.0L soln containing 53.8 g of completely dissociated Mg(CN)2. is this the diss. equation? Mg(CN)2 + water > MgOH + 2CN^ i don't think i did the problem rite b/c i got 15.7 for the pH. i got 53.8M Mg(CN)2 for the
asked by christine 
algebra
you give me the answer but didn't really tell me how you did it so i can figure how to find the other numbers giving. also was just respneding that the problem was true as you said it made nosense. evaluate each function for the value specified. evaluate
asked by clueless 
intro cal
the first 3 term of a geometric progression are k4, 2k4, 4k+4. what is the value of k? can someone help please! in any geometric progression any term divided by its previous term gives you the common ratio, so .... (2k4)/(k4) = (4k+4)/(2k4)
asked by Emma 
math
how do you calculate metric surfaces? not sure what you mean. are you finding areas of surfaces that have metric units? are you converting between units of area in the metric system? give a specific example or problem.
asked by rachel 
diversity
What is the social challenges african americans have to face and find most difficult to overcome In my opinion as a EuropeanAmerican, one of the biggest challenges faced by AfricanAmerican young people is the bias among some AfricanAmericans against
asked by Lejora 
Science
HI I went all around the websites and I still did not find a picture of an elephant that is labeled with all it's body parts etc I am uncertain of your real question. Do you have a list of body parts you need to identify?
asked by QER 
Science
Lack of oxygen in a pond may be a limiting factor. True or False? Please reply ASAP, thanks. Limiting factor for what? For fish and other animal life, this would be true. I hope this helps. Thanks for asking.
asked by Marry 
Algebra
Which of the following represent the equation of the line passing through (6, –10) and (6, –6)? A) x = 6 B) y = 6 C) y = x + 6 D) y = 4x My solution was m = 6 +10 = 4/0 6 – 6 because 4 0ver 0 was the result of my solution I thought answer D (above)
asked by Sissy 
Philosophy
What is the history of continental philosophy in reaction to Hegelian idealism? I need some help answering this question. I cannot find any information on this. Any help would be greatly appriciated. Thanks. Thank you for using the Jiskha Homework Help
asked by Marie 
Thanks everyone for your help
Everyone on this website thanks for helping me with my research paper.I hope I got a good grade.Everyones advice and websites helped alot.I got it done quicker than I thought I would. That's great to hear. :) Matt We will think really good thoughts for
asked by Brooke 
algebra
factor 6ab  8b YOu can factor a 2b out of it.
asked by Brittany 
math help
What is the distance Y Z in metres between the boat and the bouy, to 2 significant figures? A surveyor, standing at an observation point on a cliff top of a height 300m above sea level, can see a boat and a bouy out at sea, both directly in front of him.
asked by claudia 
Phy. Ed
What are the maximum dimensions of a golf course? Or is there no limit? Apparently there is no limit to the size of a golf course. Check these sites for information about a couple of the world's largest golf courses. (Broken Link Removed)
asked by Emily 
Science
A Spore is a many celled structure. True or False? Thanks. False. A spore is a onecelled reproductive structure.
asked by LJ 
science
A new plant, growing from a single leaf, is an example of sexual reproduction. True or False? Thanks. Please only post your questions once. Repeating posts will not get a quicker response. In addition, it wastes our time looking over reposts that have
asked by Marry 
Science
Usable materials that man can obtain from the physical world are called.... A.Fertilizers B.Renewable resources C. Natural Resources D. Fossil Fuels Please Relply ASAP, thanks.
asked by Yana 
criminology
Can someone tell me a policy that is in effect that relates to trait theories? Determine how far sound travels in 55 minutes. Express your answer in feet. You may use 760 mph as the speed of sound.Do I divide,add,subtract or multiply. Check out this site:
asked by Kg 
science
could someone please help me i have to write about the start of life on a extrasolar planet and talk about chemical evolution,, could someone please give me some pointers Is this S103 ECA? yes it is im just need some pointers so that i can do the work in
asked by bex 
maths
Choose the 2 true statements? A) using Naismith's rule to plan a walk would give different times to walk up a hill as down it, on the same path. B) On a map with a scale of 1:200 000, 5cm on the map will represent 1km on the ground C) On a map with a scale
asked by claudia 
algebra
solve the polynomial y=2x^24x+1 For Further Reading algebra  Reiny, Thursday, May 17, 2007 at 10:34pm I am sure neither your text nor your teacher asked you to "solve the polynomial y=2x^24x+1 " are you graphing the function, or are you solving the
asked by Haylee 
Science
When conditions are favorable, certain microorganisms may grow and reproduce in a matter of minutes. True or False?
asked by Stevi 
Science
When conditions are favorable, certain microorganisms may grow and reproduce in a matter of minutes. True or False? please reply ASAP. True. I believe it depends on the temperature of the surrounding microorganisms.
asked by Stevi 
Science
Lack of oxygen in a pond may be a limiting factor. True or False? Please reply ASAP, thanks Lack of oxygen in a pond may be a limiting factor. True or False? Please reply ASAP, thanks Please only post your questions once. Repeating posts will not get a
asked by Marry 
science
cyanobacteria,wich first appeared on earth over 3 billion yaers ago are? a.austrolopithecines b.prokaryotes c.one of the organisms on land d.descendents of primitive plants http://en.wikipedia.org/wiki/Cyanobacteria Read 1st Paragraph
asked by gabie 
graphing
Can someone show me how to solve these inequalties for me? I cannot figure any of them out 6 < x and 3 < 6 (Remember this is an "and" statement) 3x < 6 or x + 5 < 2 x  2 > 2x + 1 or 10 > 2x  2 First of all, the first problem makes nonsense. The
asked by mike 
algebra
evaluate each function for the value specified.fx+x27x+10; find (a)f(0),(b)f(5),and(c)f(2). can any one help me withthis i have not the first clue how to begin here. What you wrote is nonsense. Did you mean f(x)=x27x+10 ? If so, f(0)= put zero in for x,
asked by clueless 
algebra
okay i have to find f(a2) out of this question f(x)=5x1 were did the a come from. man i am so confused? "a" is a variable. Like "x" is in most equations. So 5(a2)  1 Multiply it out from there and simplify. Matt
asked by clueless 
math
What is the figure that gives the halflife of the isotope in minutes to 4 significant figures? Exponential regression on a set of data, which gives the amount of atoms of a radioactive isotope remaining after a time X minutes, produced the following
asked by claudia 
please help  maths
Data are collected on the average secondhand price of a particular model of car, from back copies of car trading magazines. The model of car was manufactured in 2000. Year 2001 2002 2003 2004 2005 Average price (£) 11015 5920 4123 3171 2587 Taking 2001
asked by carrie 
Math Help
the square root of 3 times the square root of 15 also the square root of 18 times the square root of 3 To multiply square roots: sq rt of z times the sq rt of y It would be the square root of zy The first one is 3x15 = 45 So it's the square root of 45.
asked by Tina 
Solving for distance
what distance did a car travel if the speed was 75mph and was on the road for 9 Hours? I need to know how I can figure out this question usin g my calculator step by step distance= speed * time.
asked by Brooke 
science
Discuss how comets might have a role to play in life evolving on an earthlike extrasolar planet in a distant solar system. can some one please help me out here. If life came to Earth via a comet, wouldn't it make sense to predict that some comet could
asked by kat 
Math Adv. Alg. w/ Trig.
I need help simplifying this expression: (3x^3y^5 + 6x^2y^2/6x^5y^2)^2 (3x^3y^5 + 6x^2y^2/6x^5y^2)^2 the second term has a y^2 in the numerator and denominator, so.. (3x^3y^5 + 6x^2 /6x^5 )^2 (3x^3y^5 + 1 /x^3 )^2 I am not certain much more can be
asked by Courtney W. 
algebra
2a+11=a+5 _____ 3 help 2a+11/3=a+5 is that the question? if it is 2a+11/3=a+5/1, then you cross multiply 3(a+5)=2a+11, distribute the 3, which equals 3a+5=2a+11 so now solve for a , bring them to one side, a=4
asked by debbie 
Science
A new plant, growing from a single leaf, is an example of sexual reproduction. True or False? Thanks. Sexual reproduction involves two sexes. Does that answer your question? I hope this helps. Thanks for asking.
asked by Marry 
Art
what are the form and conent in Michaelangelos Creation of man? http://www.google.com/search?hl=en&client=firefoxa&rls=org.mozilla:enUS:official&hs=Xd9&sa=X&oi=spell&resnum=0&ct=result&cd=1&q=form+content+michelangelo%27s+creation+man&spell=1 There are
asked by suzie 
Science
momentum What is a kilogram meter per second? vesc=(2GM/R)1/2
asked by Count Iblis 
science
What is Spread of Effect Spread of Effect is a behavioural science term for the apparent change of errors noted just before or after a reinforced behaviour. Some think it is caused by the anticipation of positive response. For myself, I have only see it in
asked by Dana 
Math
Determine how far sound travels in 55 minutes. Express your answer in feet. You may use 760 mph as the speed of sound. distance=speedsound*time write time in hours, or 55/60 hr You will have to then convert miles to feet.
asked by Kim Jones 
Math
The sum of two numbers is 112. The second is 7 more than 4 times the first. What are the two numbers? Am I doing something wrong? I seem to be stuck. x + y =112 (x+7)4y=112 The second equation should be: y+7=4x Should be the 2nd equation. The 2nd one: y is
asked by Sissy 
science
how many days does it take a person to eat what they weight? Have a go at estimating how much mass you each each day. If your mass is 80 kg, then the number of days would be 80 kg/(mass eaten per day).
asked by chris 
history
do you know any website that tells us anything about the ancient greek's landscapes? Already answered  above. =) I'm sorry. But I'm a different person then LP. :D Your IP address is identical to LP's, so you're either in the same house or the same school
asked by eunice 
science
what are the pros and cons of nuclear energy Since this is not my area of expertise, I searched Google under the key words "nuclear energy advantage disadvantage" to get these possible sources: http://home.clara.net/darvill/altenerg/nuclear.htm
asked by sarah 
Math
How do you calculate this problem (55)(38/3)(5280) (55)(38/3)(5280) = (55)(38)(5280/3) You can see that 5280 is divisible by 3 using this trick. Add up the digits of the number and if that is divisible by 3 then the number is also divisible by 3.
asked by Kim Jones 
maths
f(x)=x^3+px^2+qx+6 this formula can also be written in "factorised form" that is, f(x)=a(x+b)(x+c)(x+d) can someone please teach me how to change a funtion into it's factorised form? thanks the following link has some nice stepbysteps illustrations and
asked by Emma