Thursday

July 24, 2014

July 24, 2014

Total # Posts: 220

**Chem 2**

What is the molarity of a solution composed of 8.210g of Potassium Chromate (K2CrO4),dissolved in enough water to make .500 L of solution

**Chem 2**

what mass of Iodine(I2) must be used to prepare a .960m solution if 1000g of ethanol (C2H5OH0 is used?

**Chem 2**

How many grams MgCl2 will be formed from 25.6 mL of a 0.100M HCl solution reacting with excess magnesium metal

**Math**

Is the ordered pair (0,0) a solution of the direct variation equation y=kx ?

**Math**

I have to graph a function; there's an x and y input/output chart. Should I connect the points in my graph?

**7th grade math**

Thank you Ms.Sue :)

**7th grade math**

Determine if the situations represent proportional relationships. Explain. 1. Gina can buy 1 bottle of shampoo for $2.95 or 2 bottles for $4.50.

**math please help ms.sue**

ahhhhh....i see!!!! thank you soooo much for answering me and give me the more details :)

**math please help ms.sue**

yes i know, but i don't why it end up with 17/16*price. how it became 17? Tax=1/16* price cost=tax+price=1/16 price+price=17/16* price

**math please help ms.sue**

MegaMart collects a sales tax equal to 1/16 of the retail price of each purchase and sends this money to the state government. a. Is the amount of tax collected proportional to the cost of an item before tax is added? b. Is the amount of tax collected proportional to the cost ...

**7th grade Math**

I still don't understand, can you explain more detail? and why it became 17/16*price?

**7th grade Math**

MegaMart collects a sales tax equal to 1/16 of the retail price of each purchase and sends this money tp the state government. a. Is the amount of tax collected proportional to the cost of an item before tax is added? b. Is the amount of tax collected proportional to the cost ...

**homework math**

thank you ^.^

**homework math**

oh oh i see it now, i thought that 30 in all and how many are there in chocolate cake, i messed up the question. the answer should be D, right?

**homework math**

The answer is B? 8*30 = 20*x 240 = 20x 240/20 = x 12 = x x=12 correct?

**homework math**

For every 20 cakes ordered from Barry's Bakery, 8 cakes ordered are chocolate. Which proportion can be used to determine x, the total number of cakes ordered from the bakery when 30 chocolate cakes have been ordered? A. 8/12 = x/30 B. 8/20 = x/30 C. x/8 = 30/20 D. 8/20 = 30/x

**math homework**

Thank you Ms.Sue, you are the best!

**math homework**

The answer is A???

**math homework**

Melinda bought two new rugs for her bathroom. The bigger one is 12 inches tall and 20 inches wide, the smaller one is 6 inches tall and 14 inches wide. Which of the following statements is true? A.The rugs are not proportional because 20 x 12 does not equal 14 x 6. B.The rugs ...

**math homework**

After 3.5 hours, Pedro had travel 217 miles. If he travels at a constant speed, how far will he have traveled after 5 hours?

**Chemistry**

Yes, I did try. Based on what you showed me, I was on the right track. I was just thrown off by the "E-8". Does that represent scientific notation? That is what confuses me.

**Chemistry**

I still don't understand the example. Sorry.

**Chemistry **

Assume the diameter of a neutral helium atom is 1.40 x 10^(2)pm. Suppose that we could line up the helium atoms side by side in contact with one another. How many atoms would it take to make the distance 5.80 cm from end to end? How do I solve this, and what is the correct ans...

**Physics**

A 0.243 kg puck, initially at rest on a horizon- tal, frictionless surface, is struck by a 0.196 kg puck moving initially along the x axis with a speed of 3.16 m/s. After the collision, the 0.196 kg puck has a speed of 2.16 m/s at an angle of 40 to the positive x axis. De...

**FLORIDA STUDIES WEEKLY**

what is the crossword answers

**Physics**

A vertical tube with a tap at the base is filled with water, and a tuning fork vibrates over its mouth. As the water level is lowered in the tube, resonance is heard when the water level has dropped 18 cm, and again after 54 cm of distance exists from the water to the top of t...

**physics**

A vertical tube with a tap at the base is filled with water, and a tuning fork vibrates over its mouth. As the water level is lowered in the tube, resonance is heard when the water level has dropped 18 cm, and again after 54 cm of distance exists from the water to the top of t...

**physics**

A vertical tube with a tap at the base is filled with water, and a tuning fork vibrates over its mouth. As the water level is lowered in the tube, resonance is heard when the water level has dropped 18 cm, and again after 54 cm of distance exists from the water to the top of t...

**chemistry**

the vapor pressure of ethanol at 20c is 44 mmHg and the vapor pressure of methanol at the same temperature is 94mmHg. A mixture of 30.0 g of methanol and 45.0 g of ethanol is prepared (and can be assumed to behave as an ideal solution). a.) calculate the vapor pressure of meth...

**Math**

THANK YOU

**Math**

√175

**Math**

An alien rocketship is travleing at a speed of 0.024 miles per minute. At this speed, how many inches will it travel in 1 second

**Math**

You have 200 feet of fencing to enclose a rectangular plot that borders on a river. If you do not fence the side along the river, find the length and width of the plot that will maximize the area _____________________________________ Among all pairs of numbers whose sum is 20,...

**Geometry**

If there are 10 points on a lone how many line segements does that make?

**algebra**

How do you make a table out of the system. 3x + 4y = 18 x + 3y = 11?

**English/Humanities**

I have to make a satire and my teacher says that I have to make SOAPS (Subject, Occasion, Audience, Purpose, and Speaker) anyone know what Occasion and Speaker mean?

**Psychology**

thank you so much

**Psychology**

i dont think so ?

**Psychology**

A child with mental retardation but not autism is more likely to display_______ than a child with autism. A.self injurious behavior b.Smiling and eye contact c.sterotyped motor behaviors d.self-stimulatory behaviors i chose c but could you help or any websites that might be he...

**math**

a bag contains 6 red marbles and 2 blue marbles. what is the probability of chosing a red marble and a blue marble at the same time?

**math **

Assume that 25% of the student body at your school is male and that 40% of the students walk to school. If a student from this school is selected at random, find the following probability.

**Algebra 1**

Bunson Burner has 3 liters of a 10% acid solution. How much of pure acid must be added to produce a 50% acid solution?

**Public Administration**

I need to write a research paper. I picked the economic impact of illegal immigration. I am having trouble figuring out what the independent, dependent, and control (if any) variables could be. I need to have at least one of each. I am thinking one variable is the economy from...

**Math PIZZAZZ**

Halo

**Com155**

Use at least five adverbs and five adjectives to write a brief review of a movie, sporting event, musical performance, or television show

**6th grade**

can some one help me i need help wit animal habitats

**5th grade**

what is the missing value? 3/8

**Science**

I`m a 5th grade student and we are haviing a Sound Science test.I`m looking for defenitions to study from.such as vibrations, decibels, frequency and questions dealing with sound travel. is there a site you could recomend? thank you, cassidy

**Earth science **

i have no freaking clue im 11 and i need help!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! please?

**Chemistry**

how do i calculate the number of moles of .066g of silver? what's the equation?

**algebra**

25% of what number is 20? Please help.

**AP US History**

I cannot find this answer anywhere! What is an important Mississippian culture site that is near present-day east St. Louis, Illinois?

**AP Englsih**

In The Lords of Discipline, Pat Conroy proves that only with the acceptance of individuality,can personal beliefs, desires and priorities define one’s true identity. Is this a strong thesis? How can I improve it?

**Algebra II**

I'm having a hard time figuring out a quadratic model for this data. x y ---------- 1 3 2 13 3 31 4 57 5 91 6 133 How do I go about doing this? Is there a website that could help me?

**Algebra II**

Thank you. :-)

**Algebra II**

Does anyone know of a good site that would help me with multiplying matricies?

**History**

Here is my thesis: Emotional, physical, and mental aspects of human nature prove that only blindness can provide peace in society. Hitler was going to be my mental example. Hitler had a mentality of him being superior and arrogant. Therefore, that mentality caused him to use a...

**History**

I'm writing a paper for English, and I am using Hitler as an example. Is there as site that will explain to me his stategic ways and mentality? I need to prove how ingnorance is bliss abd provides peace.

**English**

I was given a thesis for my paper: Character motivation withing various works of literature prove that only blindness can provide peace in society. There are selected novels I must use for quotes. But what I don't understand is Character motivation. Could someone explain w...

**spanish**

Arreglar means to fix, in this case, to organize/clean you room. If you are tying to say you would never clean your room. You would use the imperfective.

**English- Oedipus**

Why did Oedipus gouge his eyes out?

**English (Thesis)**

Punishment, perspective, and silence/isolation provide the greatest relief. This is my thesis given to me by my teacher for an english paper. Yet, I find it hard to understand...

**yr 8 art**

i need to colour these 2 words which reflect their meaning i need to use tone and layering. the words are:- Decorative and Strawberry i have no idea what to do please help thankyou

**math**

hel p

**English- Siddhartha**

Siddhartha We are studying Siddhartha and relating archtypes to it. I am trying to find examples of numbers in Siddhartha. Can anyone help me out with finding a significant number used in this story?

**algebra**

figure out exponents first. then subtract the 2 values.

**Algebra**

If two triangles are to be similar, they must have all the same angle measurements. So, if every triangle has 3 angles with the sum of 180, you can easily find the missing angle by subtracting the 2 from 180. Do that with each possibility. Then see which ones have the 3 same n...

**Talent Shows**

Sure. Karate is a talent for many. People have done it in talent shows at my school. :-)

**science**

Could it be oxygen? Fire needs oxygen to keep burning. If you have 2 candles and put a jar over 1. The covered one will burn out while the one with oxygen surrounding it stays lit.

**Math**

It is a proportion. Just cross multiply. Then divide. So... 3 times 3, divide that by 8, and you should have the value of x.

**Adv. Math**

m < 2 2/3

**Health**

How about these? Black Lung (Gold Leaf) Peasant (Regal) Perhaps try to make one off of: (Morley) (Marlboro) (Camel)

**Food**

I have to prepare an Elizabethan food. Any recipes out there? I've been trying to find something other than meat.

**Math**

You are looking for the volume of the can. The formula for the volume of a cylinder is base x height... or (pi x radius^2)x(height). According to my calculations, the answer should be approximately 62.5 inches cubed.

**science**

Do you mean certain species or like types of animals?

**Spanish**

Not really a homework question, but more of asking for advice... I'm doing a skit tomorrow with another classmate in spanish and we had to write and memorize(sort of) lines according to a certain scenario. Are there any good techniques to help with my performance?

**Memorizing**

I have to memorize a soliloquy from Romeo and Juliet this week. What are good techniques in order to perfectly memorize it?

**math**

think about how the clock moves. as the minute hand moves, so does the hour hand. so it may not be as easy as 6:15, 6:30, and 6:45

**Romeo and Juliet**

What are to reasone why Lord Capulet doesn't let Tybalt fight Romeo?

**Romeo and Juliet**

If you were to describe Mercutio's personality, what would be the main things to mention?

**Romeo and Juliet**

This is the last line of the prologue in Romeo and Julet. When it says "our toil", who is "our" referring to? "What here shall miss, our toil shall strive to mend."

**math**

a= (x+10) d= (3x+10) x=? 180-x= (x+10)+(3x+10) x=32 I hope that helps. Remember, all three angles add up to 180. So be sure to always include it when trying to solve for an unknown value.

**Spanish**

I believe it is not accented.

**math/Geometry**

what is the proprty of 0 pluse 90 equls 90

**math**

ndlaohl

**science**

anything combustable, meaning it has the ability to explode.

**Physics**

How long does it take a 19 kW steam engine to do 6.8x10^7 of work? I have no idea how to solve this... Would someone please help?

**math**

you have 2 lengths of 125, so you use up 250. Now you have 50 left, the 2 other sides must be even in order to be a rectangle. So divide 50 by 2 and you get 25. Therefore the rectangles sides are 125,125, 25,2.

**math**

plug in -4 for x in the equation. If both sides are equal when ur done, it is a solution.

**math**

use order of operations. solve the exponet first. then multiply it out.

**math**

Um, multiply by 0.5? What do you mean by true pattern?

**math**

I believe that it is divide the previous term by 2.

**algebra**

What are you trying to figure out here?

**bilology**

Don't they all exist in water? Not sure if that helps. I'm not in that class yet so I'm not sure.

**Physics**

Okay. How do I go about answering this question? And what is it really asking? A watermelon has a mass of 118 kg. It is on a platform 5 m above the ground. When taken off the platform, it is allowed to slide down a ramp. How high above the ground is the watermelon at the momen...

**math**

It depends on order of operations. Is how it is shown above the exact equation you are trying to solve?

**math**

Probablity is the liklihood of a certain event happening. For example, There is a 1/6 probability of me rolling a 6 on a standard dice when i roll it once.

**math**

Okay Sis, I think this is how you do it. The probability of NOT getting the ring in the first piece of the first cake is 9/10, and the probability of NOT getting it in the first piece of the second piece is also 9/10. I believe you multiply .9 by .9 to find your answer. Howeve...

**algebra**

Can you give an example of a problem?

**Physics**

How do you use this equation? mgh+1/2mvh=mgh+1/2mv^2+Fd

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