Sunday

April 20, 2014

April 20, 2014

Total # Posts: 168

**math**

can someone please help me with this elimination methods problem? 0.05x+0.25y=11 0.15x+0.05y=12 solve using the elimination method and give the ordered pair...

**math**

I am also confused as to how to work the fraction part of number 3 can you help?

**math**

I am still confused on number one because it starts with the same variable so I dont really know where to start can you help....?

**math**

Elimination Method....I am not understanding this method either and need some help here is what I am working on: 1) x+8y=33 -x+4y=3 2) 5x+5y=-7 7x-2y=13 3) 0.3x-0.2y=4 0.5x+0.3y=-7/17 Can someone please help me with these!

**Math**

For number 3 I got (6.7,51.8) is this correct?

**Math**

Okay so what about number one it is a + and the a - for the second problem how do you figure a subtitution problem like that? do the signs make a difference?

**Math**

Okay but the homework is saying the answer is (-7,8) so how would they have gotten that from the equation you did above?

**Math**

Can someone help me solve the following problems using the substituion method? I need to find the ordered pairs and I do not get it.... Here they are 1) 6m+n=47 m-4n=12 2) 6x+4y=-10 -7x+y=57 3) 5x+7y=43 -4x+y=25

**health**

yes page 324 in the book provides a detailed list so I just copied those right out of the book Thanks

**physics**

If you see a lightening bolt, then count 4 seconds until you hear thunder, about how far away was the lightening strike?

**physics**

A tennis ball is dropped from the top of a building. It falls for 2.5 seconds before it hits the ground. (a) What velocity is the tennis ball traveling right before it hits the ground? (b) How high is the building?

**physics**

If an arrow is fired at 200km/h horizontally, about how long will it take to strike a target 30 meters away?

**5th grade**

Rajen chose a secret number and gave these clues to his friends. the number is even and it is divisible by 3, three times the number is less than 60 but greater than 40. what is Rajen's number?

**5th grade**

Rajen chose a secret number and gave these clues to his friends. the number is even and it is divisible by 3, three times the number is less than 60 but greater than 40. what is Rajen's number?

**college physcs**

0.854m/s

**math**

identify the rate in the following statement 27% of 500 is 135

**math**

or 13 qt 1pt

**math**

27 pt

**math**

simplify 9qt 9pt

**math**

3500 cm2=________L

**math**

thanks

**math**

3,500 cm2=_____L and simplify 10lbs 28oz

**math**

simplify 10 lbs 28 oz

**MATH**

3500 cm2=___________L

**MATH**

IS THE SQUARE ROOT OF 21 A) 5 AND 6 b) 7 AND 8 c) 4 AND 5 d) 6 AND 7

**math**

is teh following set of numbers a perfect triple? 13,15,18

**math**

find the missing length of the right triangle one side is 20 adn th other side is 48?? help

**MATH **

WRITE A PROPORTIAN THAT IS EQUIVALENT TO THE STATMENT : IF 3 GALLONS OF GASOLINE COST $5.37, THEN 8 GALLONS WILL COST $ 14.32.

**Medical**

what might be the cause of onset of social fobia in a 19 year old boy?

**literature**

What are the parts of speech to each word in this sentence: I like the movie Clueless its based on Jane Austens novel Emma.

**calculus**

compute the average velocity of a stone over time intervals 1, 1.01 1, 1.001 1, 1.0001 and .99,1 .999,1 .9999,1. use this to estimate instantaneous velocity at t=1 All i can figure out the formula should be s(t1)-s(t0) over t1-t0 how does that give you a number what am i missing

**chemistry**

Why do induced dipole-induced dipole forces increase as the number of electrons in a molecule increases? a. More electrons make the electron cloud more polarizable. b. More electrons means that there are more protons in the nuclei which hold the electrons more tightly and pola...

**chem**

* 25.7 and 30.0 for the temperature

**chem**

The total pressure in a flask containing air and ethanol at 257C is 878 mm Hg. The pressure of the air in the flask at 257C is 762 mm Hg. If the flask is immersed in a water bath at 300C, the total pressure is 980 mm Hg. The vapor pressure of ethanol at the new temperature is ...

**Physical Science**

thank you

**Physical Science**

what 2 substances found in my home that could conduct electricity and explain why?

**psychology**

1 instinct

**Science.**

What did scientist learn from studying Supernova 1987A?

**Fundraisers**

We are trying to raise money in our high school for children with cancer. Do you have any suggestions as to what we should do? -Dance -Concert -Bake Sale ...anything else??? can you please help! thanks! (IK this isnt hw)

**AP World History**

Hi, I am writing a camparative essay on egypt adn mesopatamia. We are comparing similarities- social and environment, and differences- religion and interections. Please help me find a good thesis to write for this paper. Thanks (:

**vocab, again! sorry!**

The manager seemed to be decorous in the meeting, but really he was thinking of the weekend.

**vocab, again! sorry!**

The manager seemed to be decorum in the meeting, but really he was thinking of the weekend. is that ok?

**vocab, again! sorry!**

Hi, again. I need help with this word decorum. the def is ADJ proper; seemly correct how do i use this in a sentence?

**vocabluary**

sorry. fleck**

**vocabluary**

that is the definition we were given, how else would you write a sentence with slough also can you check over this sentence. martha, a perfectionist, started over because she got a FECK of sharpie on her project was feck used properly?

**vocabluary**

i used the definition 4. a condition of degradation, despair, or helplessness.

**vocabluary**

is the sentence: slough is very prominent in many households that are in the slums gramatically correct? how do i use slough in a sentence?

**governmnet**

does anyone know what the ap exam for gov and pol is like?

**physics/math**

Joe is a former basketball player who is now a work-out junkie, and especially loves to do push-ups. He was a good athlete, but not so good at science in school, especally not good in Physics. He wants you, yes you, to calculate how much work he does, in strict terms of Physic...

**science**

mercury is what planet from the sun?

**science**

mercury is what planet from the sun

**science**

what color are the coolest stars in the galaxy

**Physics**

A rocket with a mass M moves along an x axis at the constant speed vi=40 m/s. A small explosion separates the rocket into a rear section (of mass m1) and a front section; both sections move along the x axis. The relative speed between the rear and front sections is 20 m/s. Wha...

**literary**

the point of our highest interest and greatest emotional involvement in a narrative

**computers**

Suppose Fred's Computers advertises that their new computer comes with exactly 1,200 megabytes of RAM in main memory. Why is this unlikely to be true?

**algebra 2**

solve for x (x-4)(x+2)=40 you need to make it eaqual to 0 and the correct answer is 8 and -6. how do i get this answer

**Physics**

What is the difference in volume (due only to pressure changes, not temperature or other factors) between 1000 kg of water at the surface (assume 4 degrees C) of the ocean and the same mass at the deepest known depth, 8.00 km? (Mariand Trench; assume also 4 degrees C.)

**Grammar**

OK. So are these correct?? 1. Thoreau was a teacher (PN) in Concord Mass. 2. In 1845 he left his (IO) and went to the woods near Walden pond. 3. He built a small cabin (DO) for himself and lived there for 2 years. 4. His life at Walden pond was an experiment (PN) in quiet soli...

**Grammar**

1. Yes, left is the active verb and what he did was leave his home. 2. Active verb is built and he did it to the cabin.

**Grammar**

Thank you!!! Can you help with a couple more? 1. In 1845 he left his home and went to the woods near Walden Pond. 2. He built a small cabin for himself and lived there for 2 years. 3. His life at Walden Pond was an experiment in quiet solitude. 3. For Thoreau, nature seemed a ...

**Grammar**

What is the direct object, indirect object, predicate nomnitive or predicate adjective in the following 2 senteces? 1.It is a book about his experiences near Walden Pond in Massachussetts. 2. The book is full of inspiring quotations about his search for peronal freedom.

**Honors Social Studies**

If you were running for President, how might the Sedition Act impact your campaign? How would YOU answer this question? You might want to refresh your memory of the Sedition Act with this article. http://en.wikipedia.org/wiki/Sedition_Act_of_1918 Thanks for your help, I moved ...

**Honors Social Studies**

Describe the three key concerns that Washington had for the future of the U.S. Explain how the country has progressed in each area and give one specific example. Please see this answer that I just posted for "Samantha." http://www.jiskha.com/display.cgi?id=1187480916...

**English Composition**

I am having difficulty writing my essay with collective thoughts that aren't so jumbbled as to the: thesis statement keeping the structure; introduction, body and conclusion.

**English Composition**

I am having difficulty writing my essay with collective thoughts that aren't so jumbbled as to the: thesis statement keeping the structure; introduction, body and conclusion. This is absolutely the best site on the internet for helping organize and write an essay. It will ...

**AP US Government**

Where in the Constitution are judicial nominations described? What language is used to describe the roll of the Senate in Supreme Court nominations? Where in the constitution is the Electoral College described (Hint: two places) Since this is not my area of expertise, I search...

**Science Definitions**

I need short definitions for these words be 4 2morrow. proton- neutron- electron- nucleus- atom- periodic table- atomic number- Go to www.dictionary.com. They have all of these words listed. Example how to find answers using Google: Word Proton http://www.google.com/search?as_...

**THE METAPHYSICAL CLUB by Louis Menand**

I'm taking AP US History so I have a summer assignment. I'm supposed to read The Metaphysical Cub by Louis Menand and write a 4-6 page essay on how the ideas of the past (written about in this book_ effect us today... If anyone has read this book, could you please give...