Monday

November 30, 2015
Total # Posts: 585

**linear inequalities.**

The red arrow shows that all the values on the number line less than –3 are in the solution. The open circle at –3 shows us that –3 is not in the solution. Like this? Why is -3 not in the solution? How can I tell?
*June 4, 2008*

**linear inequalities.**

i'm having a lot of trouble figuring out when to use a closed or an open interval. do i use infinity in every question where both numbers are not defined? insight? thanks/
*June 4, 2008*

**NEED INFORMATION**

try searching it on google
*May 11, 2008*

**PHYSICAL SCIENCE**

DOES MOTION PRODUCE HEAT WE NEED TO ANSWER TRUE OR FALSE ON OUR HOMEWORK IF YOU RUN THAT IS MOTION WHICH MAKES YOU SWEAT THIS IS HEAT???
*April 22, 2008*

**Maths**

The answer is at the back of the book but I cannot understand how to get to that answer!
*April 4, 2008*

**Maths**

The tangent to the curve 2y= 2x^2 -5x +4 at the point where x=1 is parallel to the normal to the curve y= ax^2 + bx +10 at the point (-2,2). Calculate teh values of a and b. The answers are a=1, b=6
*April 4, 2008*

**algebra**

so the 4/4 comes from the original m? the way you did it is completely opposite from how i learned. i thought that i would subtract 1/4m and cancel that out, then subract 1/4 from m.
*April 3, 2008*

**algebra**

m-($50)9=1/4m the answer (m) is $600. what is the process for getting the answer?
*April 3, 2008*

**math**

How would I write the following quadratic function in standard form? The function is -(9x+2)^2+4x? What is the process for changing this to standard form?
*March 26, 2008*

**biology**

Is a starch molecule smaller or larger than an iodine molecule?
*March 26, 2008*

**French**

Could SraJMcGin please check this for me your really good. Thanks
*March 25, 2008*

**French**

Hi Mme. This is the last time i promise. I completely finished the poem but i just want you to give it one lat look i wasn't too certain about a few things. Here it is, thank you so much you have been amazing!! A Friend- Un ami (or is it une amie?) A smile in pain, - Un ...
*March 25, 2008*

**French**

Could someone please help me.
*March 25, 2008*

**French**

Merci Mme!! Sorry but i have another half of my poem could you correct it for me too! :) A hope when there's none there- un espoir quand tout est alle A path who will take you everywhere- Un chemin qui vous prendra partout. A hand to hold- Une main à tenir A person ...
*March 25, 2008*

**French**

I have a poem that i need to translate in french could you please assist me. A Friend- Un Ami A smile in pain- un sourire dans la douleur A cover from the rain- Une couverture de la pluie A shoulder to lean on- une epaule pour se pencher sur A person to depend on- une personne...
*March 25, 2008*

**Math / Percents**

What is the process to get this answer? Annie spends $600 a month on rent and makes $25,000 per year. To the nearest percent, what percent of her income does she spend on rent? Answer: 29%
*March 24, 2008*

**Physics**

Given that the Earth's radius is 6.37x10^6 m and taking the earth's gravitational field at its surface to be 9.81N/kg, find the gravitational potential at the Earth's surface.
*March 18, 2008*

**Fractions / math**

Okay, for these two questions I have the answers - but I can't figure out the process. HOW did they get these answers? 1. There are 132 members of the Volunteer Fire Dept. At a recent alarm, 1/4 of the volunteers responded. How many volunteers did NOT respond? Answer: 99 2...
*March 17, 2008*

**Maths**

thanks!
*March 17, 2008*

**Maths**

A circle C passes through the point (-12,9) and is given by the equation (x-a)^2 + (y-b)^2 = r^2. If the equation of the tangent to the given circle at the point (-4,1) is given by x-y+5=0, find the values of a,b and r. The answers have to be a=-8, b=5 r=5.657
*March 17, 2008*

**science**

223 RA arrow + 4 88 a 2 complete the following reaction
*February 8, 2008*

**science**

223 RA arrow + 4 88 a 2 complete the following reaction
*February 8, 2008*

**help huge test friday science**

I cant grasp half life - the study guide question is how is half life dating used by scientists - I have 2 lines to write an answer
*February 8, 2008*

**life science**

I cant grasp half life - the study guide question is how is half life dating used by scientists - I have 2 lines to write an answer
*February 7, 2008*

**Accounts**

I have a question and I need to prepare the final accounts. In the additional information one of the questions is as follows: Machinery is depriciated at 10% per annum using the Straight Line Method, whilst Computer Equipment is depreciated at 15% per annum using the Reducing ...
*February 1, 2008*

**physics SHM**

A particle is moving with SHM of period 16s and amplitude 10m. Find the speed of teh particle when it is 6.0m from its equilibrium position. First I found the value of w: w= 2 pi/ T = 2 pie/ 16 =0.393 s^-1 Then I used: v= +/- w root a^2 - x^2 = +/- 0.393 root 10^2 - 6^2 = 3.14...
*December 28, 2007*

**Maths Trigonometry**

Solve the following equation for 0<x<2Pi: (answer has to be in radians) sec (x + [pi/10]) =-5
*December 23, 2007*

**Maths**

Write down the equation whose roots are: i) two more than ii) the square of iii) three times as much as the roots of the equation 4x^2-x+2=0
*November 26, 2007*

**maths pls help**

I don't know. I simply cannot agree with the answers and I have tried to work them out many times
*November 21, 2007*

**maths pls help**

I still cannot work them out!!
*November 21, 2007*

**maths pls help**

1. Solve the following simultaneous equations: log2 xy = 7 log2 (x^2/y) = 5 2. If log y x =a and log z x=b where x is not equal to 1, express the following in terms of a and b: logy (yz) Solve the following simultaneous equations: y = 2 log3 x y+1 = log3 9x Thanks! I tried to ...
*November 21, 2007*

**Maths**

Resolve into partial fractions: (x+3)(x+1)/ x(x^2+x+1) Can anyone please help me out?
*November 15, 2007*

**Physics**

A string of length 50cm is used to hang a picture frame from a nail hammered on a smooth wall. The frame is 20 cm wide and weighs 10N. It hangs symetrically. The angle which each part of the string makes with the vertical is 23.6. - State the magnitude and direction of the ...
*November 2, 2007*

**maths logarithms**

Thanks! But how did you substitute 5z^2 for 5^2x+1?
*October 17, 2007*

**maths logarithms**

Solve this equation: 5^2x+1 + 24(5^x) = 5 The answer has to be -1 but I can't understand how to get this answer. Can someone please explain? Thanks!
*October 17, 2007*

**spanish**

it says use the following formula es/son (plus) de (plus) material or pattern model - estas botas/cuero = estas botas son de cuero este traje/lana i am not sure what to do
*October 16, 2007*

**spanish**

it says use the following formula es/son (plus) de (plus) material or pattern model - estas botas/cuero = estas botas son de cuero este traje/lana i am not sure what to do
*October 16, 2007*

**spanish**

el vestido de rayas de algodon are there two de ( i am not sure if the second one is correct)
*October 16, 2007*

**maths indices**

Simplify: (2x+3)^3/2 + (2x+3)^-1/2 / 2x+3 Can anyone explain how to work it out please? Thanks
*October 13, 2007*

**science**

are these correct as to physical and chemical 1. Heat pan. [P] 2. Melt butter. [P] 3. Crack desired number of eggs into a mixing bowl. [P] 4 Add milk to eggs. [P] 5 Add salt and pepper. [P] 6 Beat eggs, milk and seasonings. [P] 7 Add egg mixture to heated pan. [P] 8 Cook eggs...
*October 11, 2007*

**Maths**

Sorry those two symbols in front of the 3 and 2 have to be square roots!
*October 10, 2007*

**Maths**

Simplify the following: (ã3 - ã2)^2 The answer has to be 5-2 ã6 Can anyone please explain? Thanks
*October 10, 2007*

**Maths algebra**

Factorise the following: x^4 - x^3 - x^2 + x The answer is x(x+1)(x-1)^2 but I cannot understand how to get this answer. Can someone please show me the working? Thanks!
*October 10, 2007*

**science**

i suppose to make a simple reciepe with the steps showing to be either chemical or phsical
*October 10, 2007*

**science**

Which ones apply to a solution ? i thought it was 2,6,7 and 8 1. Does not settle on standing 2. scatters light 3. can seperate when allowed to stand 4. contains only fixed amts of components 5. Often appears cloudy 6. components do not lose their own properties 7. looks the ...
*October 6, 2007*

**science**

Which ones apply to a compound? i thought it was 4 and 6 1. Does not settle on standing 2. scatters light 3. can seperate when allowed to stand 4. contains only fixed amts of components 5. Often appears cloudy 6. components do not lose their own properties 7. looks the same ...
*October 6, 2007*

**science**

is salad dressing homogenous or hetrogenous ( the question says salad dressing it does not say oil & vinegar
*October 6, 2007*

**science one more**

Which ones apply to a heterogeneous mixture? I think only # 6 and 8 apply? 1. Does not settle on standing 2. scatters light 3. can seperate when allowed to stand 4. contains only fixed amts of components 5. Often appears cloudy 6. components do not lose their own properties 7...
*October 6, 2007*

**science thanks**

Which ones apply to a homogeneous mixture? I think only # 4 and 7 apply? 1. Does not settle on standing 2. scatters light 3. can seperate when allowed to stand 4. contains only fixed amts of components 5. Often appears cloudy 6. components do not lose their own properties 7. ...
*October 6, 2007*

**science thanks**

Which ones apply to a homogeneous mixture? I think only # 4 and 7 apply? 1. Does not settle on standing 2. scatters light 3. can seperate when allowed to stand 4. contains only fixed amts of components 5. Often appears cloudy 6. components do not lose their own properties 7. ...
*October 6, 2007*

**algebra**

First you open the brackets by multiplying each term in the first bracket by each term in the second one. So: (2x-5y) (x+y) 2x2 + 2xy -5xy -5y Collect like terms. Therefore it becomes: 2x2 -3xy - 5y
*September 19, 2007*

**Thanks**

Thank you so much for your help!
*September 18, 2007*

**technical design/maps/geography**

The scale of a map is 9mm represent 1km on real ground. I found the area of the map and it is 19990mm2. How am I going to use the scale to find the area of the real ground? Thanks a lot!
*September 18, 2007*

**Math**

The LCM is 240. To find their LCM all you need to do is divide the answers by prime numbers until you are left with either a 1 or a prime number which cannot be divided more. In the case of 30 you have 2,3,5. In the case of 48 you have 2,3,2,2,2. Then write like numbers ...
*September 18, 2007*

**math...help please!**

He is dividing by 2. You see half 120 is 60 and half 60 is 30. The next three numbers have to be 15, 7.5, 3.75. Hope it helped you!
*September 18, 2007*

**clarinet music**

I will be doing my clarinet practice exam grade 4 LCM next May and I am going to play "Pastoral" from the book "Four short pieces" by Howard Ferguson. I am trying to find this mp3 so as to feel more comfotable playing it with the piano. Can anyone send me ...
*September 5, 2007*

**irish**

i need to write a sentences in irish saying "I go to bed every night at half nine".
*September 5, 2007*

**Physics**

Simple Harmonic Motion With the equation x=Acos(2 pi f) t why and how does f affect x This is really urgent! Thanx for any help! frequency determines how rapidly x oscillates.
*May 17, 2007*

**Physics**

If you lay a steel needle horizontally on water, it will float. If you place the needle vertically into the water, it will sink. Explain why. Think about surface tension, and what causes it. I will be happy to critique your thinking.
*May 14, 2007*

**Finance**

I need help with this finance homework question PLEASE! Any help greatly appreciated! Your firm has been presented a leasing alternative on a new pizza dough machine. The annual lease payments would be $135m. Tax rate is 40%. The lease is for ten years. Determine the ATCFs for...
*April 25, 2007*

**english**

english which or both are correct: 1. Is their any books by Sam Jones? 2. Are their any books by Sam Jones? ** can is be sigular or plura ( books vs book) Thank you for using the Jiskha Homework Help Forum. The singular = Is there any book by Sam Jones? Plural = Are there any ...
*April 15, 2007*

**Social Studies**

I have a question. Could you give me some similarites that a prime minister and a president share? For example, they both are heads of the executive branch of a country. That's all I've got. I'm supposed to do a Venn Diagram on them. I just need similarites!!!! ...
*March 22, 2007*

**Algebra**

Some people are confused about the use of algebra. You need to understand why you are doing something or learning a certain formula or the math will make no sense. Learn the terms used in algerbra, and get to know the basic foundation for all algebra by practicing problems, ...
*March 20, 2007*

**Matisse**

The essay I'm writing needs to have a paragraph or so about the "times" of matisse (for example: life, times, and works). What exactly should I write about? Is there a key phrase I should google? Like for Masaccio, I was able to google the Renaissance and write a...
*February 16, 2007*

**More art papers**

Out of these, which would be the easiest to write a 2 page paper on the life, times, and work of: Jacques-Louis David Eugene Delacroix Claude Monet Pierre Auguste Renoir Mary Cassatt Auguste Rodin Paul Cezanne Vincent van Gogh Winslow Homer Henri Matisse Pablo Picasso George ...
*February 15, 2007*

**Art Help**

I'm writing a paper on Masaccio. So far, I've gotten it to a page and figured out that I need about 3 paragraphs about his art and then my conclusion. The problem is that i'm getting conflicting information. Most places say that only 4-5 of his works have survived ...
*February 14, 2007*

**Gustave Courbet, The Quarry**

cgfa.sunsite.dk/courbet/p-courbet14.htm I need to analyze it in terms of the way it reflects realism. I need at least four points. I don't really know how to go about it. Do I describe the deer, the expressions on their faces? It doesn't make sense to me. American ...
*February 12, 2007*

**Andrew Wyeth, Help!**

Okay, I'm writing a two page research report on him/his art. So far I've introduced him, given a short bio, gone into his classification as an artist, described & interpreted "winter" (1946) and "christina's world" (1948) I need two more works ...
*February 11, 2007*

**Art Research Paper**

It's got to be min. 2 pages. I'm doing it on Andrew Wyeth. This is the only guideline I was given: "As part of your course requirements, you need to choose an artist and research the artist and his or her work." Any ideas on at outline/what I should really ...
*February 10, 2007*

**Art & the Bible.**

I need to write a short essay about the Bible's influence on an artist. Listed are Michelangelo, da Vinci, Durer, Rembrandt, Rubens, El Greco, and Pippin. I've searched with google, encarta, and through some others and I can't find a website that tells me anything ...
*February 7, 2007*

**Generalization essay**

"In this exercise you'll write an essay supporting a generalization you've stated about some topic." Any ideas for generalizations? I have to list 5 and use one. A generic generalization is the most common type. All dogs bite. Here is a good definition. ...
*February 7, 2007*

**The rubaiyat**

Take one of the verses from "The Rubáiyát" and rewrite it in modern, informal English. Your verses should have a title and be four lines long, written in iambic pentameter, in AABA. The verse I'm using is: "Some for the glories of this world; ...
*February 7, 2007*

**Cause/Effect Essay.**

I need some ideas for a cause and effect essay. It needs to be complex enough to get five paragraphs from it - but not so complex that I go much over that. My text says that it can be on any subject. I'm just having a hard time coming up with one. Any ideas on one that ...
*February 6, 2007*

**Tragedy of Julius Caesar**

I need to create a list of power shifts, starting from the opening scene of Act I. It's supposed to follow the exchange of power throughout the play. I'm having trouble knowing exactly who to include. For instance, in Scene I Act I - they would want the shift of power ...
*February 6, 2007*

**Poetry/Iambic pentameter**

I'm supposed to write a poem in iambic pentameter and then scan it (with stressed and unstressed marks). However, I can't seem to figure out where to put the marks over the words / figure out how to do it with syllables. Any help would be appreciated, thanks. http://...
*February 5, 2007*

**English Lit**

I'm supposed to decide which is more relevant, message wise, to today - the myth of King Arthur or Sundiata. Any ideas? First I would decide what the purpose of those two famous "stories" is. What difference did those men make? Then, think of the problems of ...
*February 5, 2007*

**Math**

Can you help me solve this problem...? A teacher said to a pupil: To the nearest per cent, 1/6 is 17% The pupil said: So, to the nearest per cent, 2/6 must be 34% Show that the pupil is wrong. *How do you work it out? it is 33% because: the percentage repeats 3 which is lower ...
*January 18, 2007*

**English**

We have been looking at story openings in english. Could you take a look at my opening that I did for homework and give me some tips (and let me know if I have any huge grammatical mistakes). Here it is: It all started the day Jules McGregor moved to our school. I thought ...
*January 8, 2007*

**the big idea of energy**

i hav 2 do ear defenders as well!!! you'd think da teachers would hav changed stuff by now - anyway, i think it's when one type of energy is converted into another
*December 5, 2006*

** Why dogs are better than Cats!**

Dogs are SO SO SO SO SO SO SO SO much better than cats can EVER be. Cats are timid and afraid. Dogs are very brave. cats are afraid of thunder storms and dogs! DOGS!!!! cats can go die!!
*November 24, 2006*

**ledgers**

can u tell me if drawings are a credit or a debit A credit if sold? A debit if bought? Its they owner taken her wages If you take something from your checking account, is it a debit or a credit? Do you have more or less than you did before taking it out?
*November 21, 2006*

**Biology IMPORTANT**

what IS prochlorbacteria? do u go to poquoson? if you do is your teacher Mr. LaRue? I do and this project is way to hard. Since this is not my area of expertise, I searched Google under the key words "prochlorobacteria" to get these possible sources: (You have to be ...
*October 28, 2006*

**science**

When a candle burns the wax melts ( a physical change). Some of the melted wax changes into gas which burns with the flame. This is a chemical change.
*October 21, 2006*

**RiDDLE HELP**

im having trouble with this riddle, i can sail upon water or be filled with it. i am a..... i dunno what it could be?
*August 31, 2005*

**math**

Hi 2 math questions: 1. Is the sum of the same as adding the two numbers? the ? the sum of 14 and 16 2. Is the quotient the same as dividing.. the ? the quotient of 114 and 6 Sum is adding, quotient is dividing.
*August 29, 2005*