Friday

April 18, 2014

April 18, 2014

Total # Posts: 2,095

**Ecnomics**

Social Security Question As one's income rises, the % of income paid in Social Security tax increases. decreases. remains constant. fluctuates. I don't know if it is increases, or decreases, but I know it isn't one of the last 2

**4th grade**

Wouldn't the answer be 24. Lets use ABCD as the example. Here is all the possibilities if A was the first pot ABCD ABDC ACBD ACDB ADBC ADCB 6 outcomes for each pot equals 24 different patterns

**social science**

what are the effects of the declaration of independence and its influence on early american government? why is it still considered one of the most important documents in american history?

**Science Urgent**

feel free to add extras

**Science Urgent**

im guessing feldspars because they are used in everyday products such as glass and ceramics is that right please correct me if i'm wrong

**Science Urgent**

i know i post this question before but i really need help on this question which have a higher value, iron-containing minerals or feldspars? Why? please help this is my last question i need to answer

**Earth Science**

Does feldspar has a higher value than iron-containing minerals and why. can someone answer the question? please help

**Science**

hey, can someone help me im stuck on this one question "The hardness of a mineral is found to be between 9 and 10 on the Mohs scale. Can you accurately state that the mineral's hardness is 9.5? Why or why not? can someone help me please thank you

**pre-calculus**

I'm trying to describe how the graph is related to the parent function. The parent function is x^3 and the problem is: y=-(0.8x)^3 I know its a reflection over the x-axis, but what is the formula for how much it expands or shrinks? Like on another problem it's y=|x| an...

**History**

can anyone unscramble dropifthegoits?

**com 220 essay writing**

what are some examples of bias, fallacies and specific rehortical devices in the Citizen kane speech. how did the speaker address arguments adn counter arguments? were the speakers arguments effective? I just need help with the last part about arguments...i think the argument ...

**essay**

I am writing an essay for school and I need some more ideas about why do we need healthcare? can you give me some ideas how to start it off to make a very good essay

**Economics**

1. What effect would a decrease in consumer savings have on the aggregate demand curve? The curve would level off. The curve would shift to the right. The curve would shift to the left. The curve would not change 2. If there is an increase in aggregate supply with no correspon...

**International Business**

What is a tier-2 company?

**International Business**

oh, and i just wanted to add my opinion on this.. don't know if it is right because i can't find info to back it up.. but I'd assume that Canada is at a disadvantage because countries like China and India can produce plastics at low-cost, low labour prices.. thus c...

**International Business**

Hi, I need help researching on if, and why Canada is at a competitive disadvantage compared to other countries when exporting the plastics that we(Canada) produce to other countries. I can't seem to find any info on this, is it because Canada is not at all at a competitive...

**Biology**

A body uses up all of its energy. is there more energy released or less? Why?

**Art**

I need to find 5 pieces of Greco-Roman or Early Christianity artwork and I can't find any.

**Discrete Math**

Prove DeMorgan's Laws for sets? Let A, B, and C be sets. Then A - (B union C) = (A - B) intersection (A - C) and A - (B intersection C) = (A - B) union (A - C) Counting problems using lists? 1.) A U.S. Social Security number is a nine-digit number. The first digit(s) may b...

**Linear Algebra**

(a) Show that if A is an m x n matrix and A(BA) is defined, then B is an n x m matrix. (b) Show that if A has a row of zeros and B is any matrix for which AB is defined, then AB also has a row of zeros. (c) Find a similar result involving a column of zeros. Thanks!!!

**algebra**

do both

**social studies**

What are some comapnies that are in Pittsburgh that have their headquarters stationed in Germany?

**algebra**

is this it 16 + 4x + 5y = 0

**algebra**

simplify the expression by combining like terms 2x+5x+7+y-3x+4y+2

**crossword puzzle sports**

Words with 8 or more letters Positioned behind the line of scrimmage? Sports shoes?

**math**

find two numbers whose sum is 64 if one of the numbers is one seventh the other.

**crossword puzzles sports**

Is there a website that will help me find words for a "World Sports" cross-word puzzle?

**civic duty **

do you know anyone important or famous that have done that

**civic duty **

Who are some people who did not perform their civic duty?

**psychology**

What is brain plasticity?

**math**

A troop of boy scouts hiked to a camp in the woods for supper.They returned home by a apth across lots,whih was two and a half miles shorter than the road which they went.the scout master said that they had walked 7 miles in all.how many miles they walked before supper?

**3rd grade english**

"Maybe this'll tempt you-lima bean casserole!" said the waiter. I have to find one punctuation error in above sentence if any. Would a comma go after you instead of the -?

**math**

the length of a rectangle is 1 inch less than twice the width, and the perimeter is 40 inches.find the width and the length.

**math**

.find the area of a triangle,to the nearest tenth of a square foot if its base is 4.25 feet andits altitude 6.30 feet

**math**

4.find to the nearest degree the celcius reading when the farenheit reading is 72 degrees

**math**

4.find to the nearest degree the celcius reading when the farenheit reading is 72 degrees

**math**

3.find to the nearest foot the distance a body will fall in 5 one fifth seconds when g=32ft./seconds to the second power.

**math**

2. find the volume of a pyramid,correct to two decimal places, if the base is a square 5.75 inches on a side and the altitude is 8.25 inches

**9th grade**

1. find the latreal area of a cylinder of revolution if its altitude is 5.5 inches and the diameter of its base is 7 inches.

**social studies**

Could World War 1 have been prevented?

**Social Studies**

1.Who were the members of the Triple Alliance? The Triple Entente? 2. What single event set in motion the start of world war 1. 3. Which of the forces at work in Europe played the greatest role in helping to prompt the outbreak of World War 1? 4. Do you think World War 1 was a...

**World War 1**

What were the three forces at work in Europe that helped set the stage for World War 1?

**math**

1) Can someone tell me how the write 4x^3 + y^2 - 4y + 36=0 in standard equation (solve for y and complete the squares). 2) A pencil manufacturer determines that the daily cost c in dollars of producing n dozen pencils is given by c=(n^2/25,000) - (2n/5) +40000. a) How many do...

**Physics**

what is tan^-1(62.5/358.25) =

**9th Algebra**

1. find the latreal area of a cylinder of revolution if its altitude is 5.5 inches and the diameter of its base is 7 inches.

**Science - Physics**

All good, can be closed

**Science - Physics**

Thanks for the suggestion, however I have to complete it using small models with plasticine etc. It doesn't need to be highly accurate, I just need something that can show a difference between the 2 types of crashes I suppose.

**Science - Physics**

How can I investigate what happens to the occupants of a car when the car is in a collision in which it collides head on with a solid object (in my example, it will be a brick), and when a stationary car is hit from behind by a moving car. What I am using: Plasticine people Sm...

**literature**

How does the meter in this line emphasize this use of alliteration? Help please! The line is And the sheen of their spears was like stars on the sea. I do not even know what the meter is in this line. The last two websites help alittle but I still dont know this.

**literature**

How does the meter in this line emphasize this use of alliteration?What kind of figure of speech is used in this line? Here is the line-- And the sheen of their spears was like stars on the sea Please help I do not understand this at all Please

**con't -literature**

Let me not to the marriage of true minds Admit impediments. Love is not love Which alters when it alteration finds, or bends with the remover to remove: from Sonnet CXVI by William Shakespeare

**Literature**

Identify which of the following is written in this most common meter by circling it (you may scan them if necessary to help you identify the meter)'O I fear ye are poisoned,Lord Randal, my son! O I fear ye are poisoned, my handsome young man?" "O yes! I am poison...

**Literature-con't.**

con't. #b The following version would fit the traditional syllable division and retains the same basic meaning as the first A sudden rainfall-read the two versions aloud and consider the sound what is lost in the second version?

**Literature**

A haiku by Buson Sudden Shower does it follow the traditional syllable division for haiku?Butterfly sleeping- on the temple bell. Sudden shower -a flock of sparrows clinging to the grasses Before the white Chrysanthemums the scissors hesitate a moment.

**Literature**

In The poem "The Nymph"s Reply to the Shepard" the poet writes When the river rage and rocks grow cold, but he could have written when rivers rush and rocks grow coldwithout affecting themeter,rhyme, or alliteration in the line Also both rage and rush communicat...

**economy**

Do you think Carbon offsets are a good way for businesses and governments to help the environment? Why or why not?

**trig**

Yeah, it was to solve for A. I assumed it was to multiply by 3. Seeing as 4^3 = 64. log(sub a) 4 = .321

**trig**

Is the answer to this problem correct? I'm not sure and I want to make sure I do well on the test. Evaluate the following logarithms given log 4/log a = .321 The answer my teacher gave me was 0.963. What is the reasoning behind the answer?

**trig**

Ok, I'm kind of confused. A log's base typically 10 right? Why would you write log 3^(2-x)? Shouldn't it be log(sub3) 2-x) ?

**Math**

Two parallelograms have pairs of sides that are 3 feet long and 2 feet long. One of the parallelograms is a rectangle and the other is not. Which has a bigger area, and why

**chemistry!**

i lost my notes for Stoichiometry and have a final tomorrow. ASAP would be appreciated. im trying to find a site that can help me with balancing word equations calculations:mol,g,liters-gas and determining limiting reagent and % yields. please please please help me.

**Dr. Bob?/chemistry help**

i have a final tomorrow and im allowed to have notes. however i lost my notes on stoichiometry. can someone give me a site that will help with balancing equations, performing calculations: mol, g, liters/gas and reagent/% yields?

**Science**

because no two people are alike. even twins who look the same are different. everyone moves/reacts at their own level/speed and some are faster than others. as for the second one. if i slapped you in the face 10 times dont you think you might move out of the way? its called pr...

**Science**

Why do reaction times(reflexes) differ from person to person? Wny does your reaction time improve when the same thing is done over and over again. ( slap in face 10 times)

**trig**

Find arcsin [cos (Pi/2)] The answer is 0. How do you solve this problem? Thanks.

**algebra**

6x+7y+15=0

**Chemistry: Dilution**

i need to know how to set up this problem for my finals, dont just post an answer please. How could you prepare 250mL of 0.20M NaCL using only a solution of 1.0M NaCL and water.

**U.S history**

on the eastern front wouldnt that be Japan? if so talk about island hopping and if not. germany and US fought a bunch of battles, try looking up battle of the bulge, D-Day, etc. if you reword this i can probably help you more, we just covered this in school and all my packets ...

**math**

yes. if you think of the break between 1-563,385 (1-5) as a decimal place; it would be 1.563 which rounds to 2 (anything over .5)

**chem help asap**

did you try putting it in a 600mL beaker?

**chemistry:Gas Laws (2)**

thanks again bob

**chemistry:Gas Laws (2)**

could you expand on how you got 0.08205. i missed that day.

**chemistry:Gas Laws (2)**

shouldn't i set it up like this: P(6)=(.5)(300) but then i do the math... 2P=150 75atm. but the answer has to be (2.05 atm) what am i doing wrong?

**math**

A. $7 these are simple, the calculator is your friend. you take the original price of $35 and multiply it by the change in percent: 35x.20 percent = of a hundred(1) don't forget the decimal

**physics**

is the bubble chamber an example of thermodynamics?if not then what?

**chemistry: Gas Laws**

how do i setup this problem: What is the pressure of 0.5 mol of a gas with a volume of 6L at 27degreesC?

**SPanish!!!**

18. Sara la llama a Pedro. the D.O.P compliments the subject(Sara) these are the direct object pronouns: me me te you(informal) lo/la he/she nos we(us) os you all(informal) los/las them/you all(formal)

**spanish**

dont forget the accent over the i

**chemistry help**

i did it and i got d

**chemistry help**

is it b

**chemistry help**

What is the molarity of a solution that contains 125 g NaCl in 4.00 L solution? a.8. 56 M b.31.3 M c. 2.14 M d/ 0.535 M

**history**

i dont see it

**history**

the failure of Pickett's Charge caused the battle to be over

**history**

How did Gettysburg lead to the end of the war?

**history**

What was the point of the cannon attacks? Why is keeping the high ground important in a battle?

**trig**

I do not understand for my life how to solve this problem. Evaluate the expression without the aid of a calculator. arccos[(-3^1/2)/2) I'm not sure how my teacher did it. I know she said to find which quadrant that cos can be in and graph the triangle to find the angle.

**4th grade science**

What are some ways people can help animals?

**Physics - THIS IS DUE TMRW PLEASE HELP!**

The left and right wheels of an automobile are separated by a transverse distance of 1.40 m. The center of mass of this automobile is .6 m above the ground. If the automobile is driven around a flat (no banking) curve a radius of 26.0 m with an excessive speed, it will topple ...

**physics**

An aircraft passes over you with a velocity of 950 km/h at an altitude of 11000 meters. What is the angular velocity two minutes later? **this problem is tricky because 2 minutes later the aircraft is no longer tangent to the circle.

**chemistry help**

29.66/100.0=.2966 molar mass i dont know where to go from here.

**chemistry help**

A solution of AgNO3 contains 29.66 g of solute in 100.0 mL of solution. What is the molarity of the solution?

**trig**

The terminal side of an angle includes the point (5,-12). Give the sine, cosine, and tangent of the angle exactly. I know how to plot it and everything, but I'm not sure where to put theta so I know which angle to use for finding sine, cosine, and tangent. I think it has s...

**Civics**

What would be an argument for private ownership of utilities verses public ownership of utilities?

**Math**

3q^2+16q= -5 3q^2+16q+5 = 0 now look for factors of 15 that add to be 16 (1 &15) so (3q + 1)(q +1) = 0 so (3q + 1) = 0 and/or (q +1) = 0 so{-1/3, -1} are your possible solutions

**microeconomics**

wasnt asking to do the work for me was asking for help in letting me know if i was on the right track with my answers

**microeconomics**

50. The long-run average cost curve is tangent to an infinite number of ______. (Points: 3) total cost curves marginal cost curves average variable cost curves I picked average total cost curves 51. The assumptions of perfect competition imply that ______. (Points: 3) individu...

**science**

drwls, sorry the picture is a little messes up. what I wanted is the thing you showed my just with the sting attaching them in the middle. and without the bends

**science**

can you help find a online video of a double pendulum where it looks like this: _____________________________________ I I I I I I I I I I I I IIIIIIIIIIIIIIIIIII I I I I I I I I I I I I I I MASS MASS

**algebra II**

simplify 4 square root3 *5 square root 2 * 6 square root 12

**trig**

cos A = .1 In your calculator type in: cos^-1(.1) and for sec D: 1. 1/cos D = 1.8 2. 1.8 Cos D = 1 3. 1/1.8 = Answer 4. cos^-1 (Answer from step 3)

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