Thursday

January 19, 2017
Total # Posts: 1,006

**Math**

How do I simplify the following problems? Assume that no denominator equals 0. 1) 8y^3+27/2xy-10y+3x-15 2) sqrt16x^2y^4 3) 2+i/1-3i

*April 15, 2008*

**chemistry**

How do you tell what dyes are more polar than others?

*April 7, 2008*

**chemistry**

why do some M&M dye's travel farther than others when placed in water?

*April 7, 2008*

**math**

2.8cm+2.8cm+3cm+3cm 1cm+10meters

*March 31, 2008*

**geometry**

how do you find the perimeter of a triangular pyramid

*March 30, 2008*

**math**

a set of 20 cards is numbered 1,2,3,... ..20. Suppose you pick a card at random without looking. Find the probability of each event. Write as a fraction in simplest form. P(3 or 13)

*March 25, 2008*

**spanish**

i don't know how to answer this question in a complete sentence? Te duermes en una de tus clases?

*March 13, 2008*

**Math**

is it 7??

*March 5, 2008*

**essay help**

i have to compare the fear of witches in the crucible to the fear of communist in McCarthyism.

*March 5, 2008*

**essay help**

whats a really good way to start a conclusion paragraph??

*March 5, 2008*

**Physics**

A* B* C* D* square of side 10 cm I tried my best to do the drawing. It is supposed to be a square, but each * is a point. The sides are 10 cm long. The problem asks for you to find the magnitude and the direction of the net gravitational force on mass A due to the other masses.

*March 3, 2008*

**Social Studies**

Where could i find out all about the Arawaks and Caribs?

*February 18, 2008*

**home economics**

thank you so much

*February 12, 2008*

**home economics**

What are the american and canadian food groups?

*February 12, 2008*

**Physics**

Aircraft with acceration of magnitude of 42.5 m/s. If starting from rest how long will it take to travel a 2.6 km runway?

*February 10, 2008*

**physical science**

the efficientsy of most power plants is______%?

*January 16, 2008*

**Physical science**

Unwanted electricity produced by falling water is called...?

*January 16, 2008*

**physical science**

elecricity produced by falling water is called....?

*January 16, 2008*

**Physical science**

Devices that use semiconducters to produce electricity from solar energy are called?

*January 16, 2008*

**Physical science**

Unwanted radioactive products formed during nuclear reactions are called?

*January 16, 2008*

**phyical science.**

The type of fossil fuel that forms only from the remains of plants

*January 16, 2008*

**brookview**

a simple way of understanding integers

*January 5, 2008*

**brookview**

what is a simple way of understanding

*January 5, 2008*

**math**

thanks!!!!

*December 13, 2007*

**math**

57% of 109 is what #

*December 13, 2007*

**math**

73 is 20% of what number

*December 13, 2007*

**math**

what number is 32% of 1,000

*December 13, 2007*

**math**

40% of what number is 82

*December 13, 2007*

**math**

60 is 25% of what number

*December 13, 2007*

**Social studies**

what did the netherland people eat when they met the lenape

*November 28, 2007*

**CHEM**

It has a seesaw shape, so it is therefore 90,120,and 180 degrees

*November 26, 2007*

**Physical Science**

i don't know

*October 15, 2007*

**language/reading**

how do you do a character continuum? ex. good/evil

*October 8, 2007*

**Life Science**

What land animal is not a species?

*October 8, 2007*

**biology**

What are the four macromolecules?

*September 26, 2007*

**math**

ok i have another question.. in the square qrst and line qt is congruent to line ts and line rs is congruent to line ts, what is x? line qt=1/2(14x+8) and line rs= 6x+8 what is x?

*September 23, 2007*

**math(geometry)**

thank you very much..ok i have another question.. in the square qrst and line qt is congruent to line ts and line rs is congruent to line ts, what is x? line qt=1/2(14x+8) and line rs= 6x+8 what is x?

*September 23, 2007*

**math(geometry)**

find a counterexample for the following statement. If a number is divisible by 5, then it is divisible by 10. What is the counterexample of that statement?

*September 23, 2007*

**Math .. THANK YOU!**

No problem. That's why I'm here.

*September 18, 2007*

**Math .. one more**

No Actaul. 1,894 + 1,470 = 3364 So the answer would be 330 hundreds

*September 18, 2007*

**Math**

Yes. 4 6 x8 48

*September 18, 2007*

**Algerba I**

a trapezuim has no sides parallel. Its area is given by the following expression 1/2(ah1 + bh2) Note: the 1 and 2 are small and almost under but beside the h A. Evaluate the expression for a = 5 ft 4 in., b = 2 ft 8 in., h1 = 4 ft 4 in., h2 = 6ft 4 in B. If a gymnast stands ...

*September 18, 2007*

**Algebra**

3*-7a*-b 3 * -79 = -237 -237 * -3 = 711 Im almost sure it is 711

*September 17, 2007*

**Algebra 1**

Write an expression that gives the value of the quantities asked for. Then pick a reasonable value for each variable, substitute it into the expression, and evaluate. 31. If t gives the number of hours you have hiked at s mi/hr, what is the distance remaining on a hiking trip ...

*September 17, 2007*

**Algerba**

Thanks James

*September 17, 2007*

**Algerba**

algebra is so confusing 1/8 (b - a) for a = 2 and b = 10 So is it 1/8 (b - a) = 1/8 (2 - 10)= 1/8 (-8) = -100?

*September 17, 2007*

**Algerba**

Thanks manny.

*September 17, 2007*

**Algerba**

Evaluate the expression by substituting the givin values for each variable b - for A = -2 and b = 8 a So is it like this b - = -2 divided by -8 a

*September 17, 2007*

**Man My Algebra must be annoying**

Wah, Im sure that was the anwser.

*September 17, 2007*

**Man My Algebra must be annoying**

3m __ for m =20 and m = 1 5 __ 3 A. 3m = 320 / 5 = 64? b. 3m - 3 1/3 / 5 = 0.666?

*September 17, 2007*

**physicssss**

Im just taking a guess but 2 miles?

*September 17, 2007*

**Am I doing Algerba right?**

Alright cool.

*September 17, 2007*

**Am I doing Algerba right?**

6a for a = 3 and a = -4 So is it A. 6a = 6*3 = 18? B. 6a = 6*-4 = -24?

*September 17, 2007*

**Algebra**

A Negative Association?

*September 17, 2007*

**Algerba**

Thanks BobPursley!

*September 17, 2007*

**Algerba**

would you expect a positive, a negative, or no association between the number of hours of daylight during a day and the number of hours of darkeness?

*September 17, 2007*

**Algebra**

If an even is certain to occur, the probability that the event will occur is ___?

*September 17, 2007*

**Algebra**

A. C= 12.56 B. A= 12.56 C. Alright!

*September 17, 2007*

**Algebra**

A. C = 12.14? B. A = 18.84. 28? C. C = 24868.8?

*September 17, 2007*

**Algebra**

The Circumference and area of a circle of radius r are givin by 2 [pie] r and [pie] r[2], respectively use 3.14 for the constant [pie] A. What is the circumference of a circle with a radius of 2 m? B.What is the area of a circle with a radius of 2 m? C. The earth has a radius ...

*September 17, 2007*

**math**

East is 090, West is 090 south is 180

*September 17, 2007*

**history**

what is Australia's role in the founding of the united nations

*September 7, 2007*

**algebra1**

10x10x10x10x10x10x10x10x10x10-10x10

*September 5, 2007*

**algebra1**

5+10dividedby2+6x3-4x4

*September 5, 2007*

**Geometry**

ahhhh thank you, thank you, thank you!

*August 22, 2007*

**Geometry**

Ok it's me again. I'm am working on problems that involve describing number patterns. I've figured them all out but two. Here are the two strings or numbers 7,9,13,19,27,;;;; and 256, 16, 4, 2 Any help?

*August 22, 2007*

**Geometry**

Many, many thanks! Feeling less like an idiot with each question.

*August 22, 2007*

**Geometry**

I have to write a conjecture now, and am not sure if I am phrasing it right. Here is what I have. The product of a number multiplied by 101 will always end in the number it was multiplied by. Is this correct?

*August 22, 2007*

**Geometry**

Thank you very much. This is my 2nd day in high school and I'm feeling very frustrated by it all, was feeling like an idiot.

*August 22, 2007*

**Geometry**

Working on conjectures. The question is Conjecure: The product of any two odd numbers is _____? It shows several examples of odd numbers x odd numbers and the products are all odd. So I think the right answer is "odd numbers" but is there some formula I should be ...

*August 22, 2007*

**physics**

what are some ways to transfer the motion of electric charge through a conductor? confused please help I am confused by the question. Electrons are moving because of thermal energy all the time in a conductor. To get them to drift in one direction mainly, an electric field is ...

*June 5, 2007*

**english**

verse

*May 21, 2007*

**immigrants**

Right now we are studying immigrants in class and I need a website that can give me pictures of asian immigrants that are young women. So far I haven't had any luck. Not the best in the world but pictures, anyway. http://www.angelisland.org/is_photos.htm

*May 3, 2007*

**math**

how to graph y=3/4x. what angle does y=9/7x+2 make with the x axis? simplify 2/squarerootof5. simplify square root of 10 times 6. simplify squareroot48 You should not expect somebody just to do your homework for you. for y=(3/4)x isn't the y-intercept zero? so the origin ...

*May 2, 2007*

**Math**

You are a letter and now your in a math problem explain to the numbers what your purpose is, how you are a friend, and how you solve algebra problems. Create a math problem and solve it. Use the letter and the number as the characters. Please tell me that this is not a ...

*May 2, 2007*

**math**

need help

*April 26, 2007*

**analogy**

gregarious:unfriendly::volatile:______ prodgious, explosive, fleeting, caustic, or inert I know that gregarious and unfrriendly are opposites, but I can't figure out which word is the opposite of volatile. http://www.answers.com What's the general meaning of volatile? ...

*April 23, 2007*

**Math (Trig Question)**

OK, I've been stuck on this question for like.. an hour. Prove how cos 2x = 1. Thanks for the help! Nvm... lol I got it. There was a typo. Sorry!

*April 22, 2007*

**analogy**

what do the words have in common? body:emollient::soul: sand paper, cacophony, kind word, crotchet, anger An emollient soothes the body. What soothes the soul? kind word?

*April 18, 2007*

**English**

metaphor is this right

*April 13, 2007*

**English**

which of these is considerd figurative lanuage? dialect, a personification, a metaphor, a simile or a ambibuity

*April 13, 2007*

**MATH**

1/(X^-2Y)-1(XY^-2)=____ XY (square root of 84 - square root of 5.25) I don't understand the first equation. sqrt(84)=sqrt(4*21)=sqrt(16*5.25)=4sqrt(5.25) so sqrt(84)-sqrt(5.25)= 4sqrt(5.25)-sqrt(5.25)=3sqrt(5.25)

*April 13, 2007*

**roots**

what root goes in this blank? i can't figure it out. She wore ________sox at the beach. argyll bobby crew (none of which are roots, however; sorry) =( How about "no" (root of "nothing")? I hope this helps. Thanks for asking.

*April 11, 2007*

**Algebra**

How do I complete the square: 4x^2+3y^2+8x-6y-5=0 Also, is this a ellipse or a circle? first of all arrange the terms that appear to 'belong' together 4x^2 + 8x + 3y^2 - 6y = 5 factor out the 4 from the x terms and the 3 from the y terms 4(x^2 + 2x + ??) + 3(y^2 - 2y...

*April 3, 2007*

**soccor**

Anybody know good web site to look up soccor. Here are a number of really good soccer sites: http://www.google.com/search?hl=en&ie=ISO-8859-1&q=soccer&btnG=Google+Search

*March 31, 2007*

**Math**

How do you find the perimeter on a on a what????? what is "integer" in math terms for example 15 steps behind directions say "write an integer to represent each situation"

*March 29, 2007*

**Economics**

How does that difference in beliefs affect their views about the amount of income distribution the government should undertake?

*March 5, 2007*

**Economics**

What elements of the U.S. system for redistributing income creates the leaks in the bucket?

*March 5, 2007*

**math ( subtracting fractions)**

7 1/3 3 5/6 How many more hours does april need to drive

*January 31, 2007*

**Physics/Science #3**

25.2=Vo(2)+.5(-9.8)(2^2) 25.2=Vo(2)-19.6 25.2+19.6=2Vo 45.1=2Vo Vo=22.55m/s

*January 25, 2007*

**science fair- clown fish**

I need a topic for my science fair experiment-I'm in the 6th grade and I would like to do something w/ clown fish, but I'm not sure what my hypothesis should be, please help. We own a pet shop so have have a lot of access to salt water stuff. P.S. It can't do harm ...

*January 21, 2007*

**language**

What is a tree map? Thank you for using the Jiskha Homework Help Forum. Here is a definition of "tree map" as concerning languages: http://en.wikipedia.org/wiki/Language_family Family Tree of Indo-European Languages: http://www.danshort.com/ie/

*January 12, 2007*

**math**

what makes the use of variables diffcult to understand? what makes them difficult to understand is : Depending on which variables are used somehow they have to predict just how they vary, and what factors influence the variation this is what i got helped on from the tutors ...

*January 9, 2007*

**Estimating Quotents**

How do you estimate quotents and find a overestimate or a underestimate? If you know please please let me know! I searched Google under the key words "estimate quotients" to get these possible sources: http://www.studyzone.org/testprep/math4/d/estimatingquotientl.cfm...

*January 4, 2007*

**social studies**

what was the magna carta????. help with study guide for midterm in social studies It is an written agreement signed by King John of England in 1215, limiting the powers of the King. It is one of the most important legal documents leading to the development of constitutional ...

*December 16, 2006*

**Pigskin Geography**

with what

*December 9, 2006*

**Science**

write a meaningful sentence using the words: metallic, grand, electron Free electrons make metallic bonds, and in the world of metallurgy, these metallic bonds form the grand characteristics of metals: tensile strength, ductility, and conduction.

*November 13, 2006*

**Science**

Write a meaningful sentence using the words: metallic grand electron. Use these terms as key words for a search. Even though this is not my area of expertise, I did. http://prola.aps.org/abstract/PR/v130/i5/p1703_1 (Broken Link Removed) http://adsabs.harvard.edu/abs/1994PhRvB...

*November 13, 2006*

**Science**

Write a meaningful sentence using the words: covlent,atoms,sharing. You probably mean "covalent", not "cvlent". You write the meaningful sentence; we will be glad to critique it.

*November 13, 2006*

**BRAINTEASERS**

I think that I a SWAA stands for "it's a small world after all"

*September 20, 2006*