Friday

December 19, 2014

December 19, 2014

Total # Posts: 1,180

**math**

Identify the solutions of the systems of equations, if any. X+2y=7 3x-4y=6 A.(4,2/3) B.(4,3/2) C.(2/3,4) D.(3/2,4)
*September 2, 2014*

**math**

Identify the solutions of the system of equations, if any. X+2y=7 3x-4y=6
*September 2, 2014*

**math**

Identify the solutions of the systems of equations, if any. -4x-4y=8 4y=-4x-8 No solution (0,-2) (-2,0) Infinitely many solutions
*September 2, 2014*

**Math**

Simplify. y^-9*y^3 Write your answer with a positive exponent only.
*August 27, 2014*

**English 11**

4. C 5. B 6. C Is that right? Someone help please. I'm super behind on my homework!
*August 27, 2014*

**History 11**

I meant to label this as History! My bad guys.
*August 27, 2014*

**English 11**

I put a * next to my answers. 1. The Jamestown settlers saved their colony by planting (1 point) a. maize. b. cotton. *c. tobacco. d. wheat. 2. “Our capital town is advanced to about 150 very tolerable (satisfactory) houses for wooden ones; they are chiefly on both the ...
*August 27, 2014*

**Art**

Not sure it was just a homework question that I had and I have to turn it in by tomorrow morning.
*August 26, 2014*

**Art**

Or I think its B?
*August 26, 2014*

**Art**

Creating artwork that showed scenes of everday life was very diffrent from what was normally painted in the late 1800s. This change in style allowed the artist to be more... A. common B. traditional C. creative D. boring I think C am I correct?
*August 26, 2014*

**Art**

Ok thanks
*August 26, 2014*

**Art**

Animation has changed from each scene cell being drawn by hand to entire worlds being created on a computer. This is an example of....... A. innovation B. aesthetics C. expression D. creativity I think A am I correct?
*August 26, 2014*

**p.e**

Ms.sue its more like a p.e question not really a test question you should help her and can you maybe help me on my science?
*August 26, 2014*

**p.e**

Lily are you in connections academy? Because I am and I'm having the same problem on this test.
*August 26, 2014*

**Science**

Can you help me with my other 2 science questions I just posted please?
*August 26, 2014*

**Science**

Thanks
*August 26, 2014*

**Science**

Which of the following is not a model? A. an ant farm B. a bicycle C. an atlas D. a plastic human skeleton I think B is the answer am I correct?
*August 26, 2014*

**Science**

Turning on the switch in a flashlight starts a chemical reaction in the batteries. The chemical energy is turned to light energy and the flashlight lights up. Which part of this system is an example of a process? A. Turning on the switch is a process. B. The conversation of ...
*August 26, 2014*

**Science**

Ok thanks
*August 26, 2014*

**Science**

1. How is a model of an atom different from a real atom? A. A model of an atom is not as big as an actual atom. B. A model of an atom is the same as a real atom. C. A model of an atom is more complex than a real atom. D. A model of an atom is not as small as an actual atom. I ...
*August 26, 2014*

**ap chemistry **

A powder has a mass of 40.0g. When the powder is added to 30.0mL of water, the total volume is 45.0mL. What is the density of the powder
*August 25, 2014*

**Health**

Characteristics caused by hormones but that do not include development of reproductive organs are called........ A. primary sex Characteristics B. secondary sex characteristics C. physical Characteristics D. body Characteristics The many physical changes that occur during ...
*August 25, 2014*

**Social Studies**

Ok I would like to change my answer for number 3 and I think its C. Is that correct?
*August 22, 2014*

**Social Studies**

Ok give me a few minutes to figure it out and I'll tell what I think ok. Thanks for helping me :)
*August 22, 2014*

**Social Studies**

On number one I think B. On number two I think C. On number three I think A. Is my answers right?
*August 22, 2014*

**Social Studies**

1. What function do the barrier islands play environmentally for the state of Georgia? A. They create deep sea ports. B. They protect the coastline. C. They carry toxic chemicals from the mainland. D. They reduce the likelihood of drought. 2. Which of the following is NOT ...
*August 22, 2014*

**Science**

Can someone please help me on my science?? I'm kinda new here. Thanks :)
*August 19, 2014*

**Science**

In general, what would a scientist do after forming a testable question? A. Design an experiment B. Develop a hypothesis C. Draw a conclusion D. Analyze data (I think B. is that the right answer)
*August 19, 2014*

**Science**

Thanks :)
*August 19, 2014*

**Science**

Please anyone??
*August 19, 2014*

**Science**

A science teacher was curious to see whether offering money for good grades would increase student peformance on a test. The teacher offered half of the students in the class $5.00 if they got an A on their next test. The other half of the class was not offered any money. What...
*August 19, 2014*

**Math**

A piece of wire 12 m long is cut into 2 pieces. One piece is bent into the shape of an equilateral triangle and the other into a shape of a circle. How should the wire be cut so that the combined area of the two figures is as small as possible?
*August 14, 2014*

**math**

Thank you for your help
*August 8, 2014*

**math**

What line is perpendicular to the line y=2/3x+3?
*August 8, 2014*

**Algebra**

please help me and explain how you got the answer. Solve the equation. y + (–6) = –9 A. –15 B. –3 C. 54 D. 3
*July 29, 2014*

**Algebra**

thank you so much sheenybeany! You really helped me a lot!
*July 29, 2014*

**Algebra**

its y/6 then >10
*July 29, 2014*

**Algebra**

please help me with this question. please explain this question to me and how you got the answer to the question. Solve the inequality. > 10 A. y < –16 B. y > –60 C. y > 4 D. y < –60
*July 29, 2014*

**mat/117**

Simplify the expression 3√5/64
*July 6, 2014*

**mat/117**

Simplify the expression 5/8+√7
*July 6, 2014*

**mat/117**

√2(9-√2)+5√2
*July 6, 2014*

**Math**

What is the unit rate in miles per gallon if 140 miles are traveled on 14 gallons of gas? The unit rate is ____ mi/g.
*June 25, 2014*

**Math**

The length of a rectangle is 5ft longer than twice the width. If the perimeter is 106ft, find the length and the width of the rectangle.
*June 24, 2014*

**English**

Revise each of the following sentences twice, once as a periodic sentence and once as a cumulative sentence. 1.) Obviously not understanding reporters, the politician did not know their names, did not answer their questions, and did not read their stories. (periodic) Because ...
*June 24, 2014*

**Chemistry **

Consider a 9% by mass aqueous ethyl alcohol solution. a.) Calculate the molality of this solution_____m b.) Given that ethyl alcohol is a molecular solute, calculate the freezing point of this solution. ________ degrees Celsius. c.) Consider the boiling point of each solution...
*June 24, 2014*

**Chemistry**

If you have 0.150 M HCl solution available, calculate the volume of HCl(aq) necessary for this reaction. _______ml
*June 24, 2014*

**Chemistry**

calculate the volume of hydrogen produced from .025g of aluminum and sufficient HCl at 21 degrees Celsius and 755 torr according to the following reaction: Al(s) + HCl(aq)--------- AlCl3 (aq) + H2(g) Volume of H2________ml
*June 24, 2014*

**mat/117**

Simplify the expression completely (9-5 4√6)(7- 4√8).
*June 23, 2014*

**History**

Thanks that helped :)
*June 5, 2014*

**History**

I don't know if this one is right or not. I've been stuck on this question for 15 mins and my grade counts on this. 20. “In Flanders Fields” expresses the speaker’s belief that (Points : 5) war and its horrors are wrong and evil. the war is necessary and...
*June 5, 2014*

**Algebra**

A mother wants to invest 8,000 dollars into her child's college fund. She invests a portion of the money into a CD account which earns 4% interest, and the remainder into a savings bond which earns 7% interest. If the total interest earned after one year is $480.00, how ...
*June 1, 2014*

**trig**

Find all points of intersection of the polar curves r= 2 + 4cos theta and r= 6cos theta. Please explain in detail.
*May 6, 2014*

**Finance**

THE CASH FLOW STATEMENT One of the quarterly financial information any in public traded company is required to disclose to the SEC and the public. The document provides collective data concerning all cash inflows a company receives from both its ongoing operations and outside ...
*April 28, 2014*

**Math**

Is: n^2-9n+9 a perfect square??
*April 26, 2014*

**Math**

Thank you!
*April 26, 2014*

**Math**

Simplify. 12n^2m^4 ________ 28n^4m^3 thank you!
*April 26, 2014*

**math**

A movie theater ticket booth opens at 10 am. There are four tellers who divide the customers evenly. The tellers have served 16 customers so far this morning. which expression represents the unknown number of customers each teller will serve? Let c represent the additional ...
*April 22, 2014*

**Chemistry**

Given that the structures of cocaine (on the right side of the equation) and its free base ( on the left side) with an H+ : a. Would you expect K for the cocaine to be greater or less than 1.0? Explain. b. Would K for the free base be higher or lower than for cocaine? Explain...
*April 13, 2014*

**CHEMISTRY**

Given that the structures of cocaine (on the right side of the equation) and its free base ( on the left side) with an H+ : a. Would you expect K for the cocaine to be greater or less than 1.0? Explain. b. Would K for the free base be higher or lower than for cocaine? Explain...
*April 13, 2014*

**college algebra**

whats the question?
*April 13, 2014*

**Math**

my keyboard is not that advanced :(
*April 10, 2014*

**Math**

Simplify! 3x^5 over 15x A. x^4 over 5 B. 1/5 C. x^6 over 5 D. x^5 over 5 thank you!
*April 10, 2014*

**Math**

simplify! r^2s^5t^4 over (like a fraction) r^2s^2t^5 A. S^3 over t^2 B. S^3 over t C. S^2 over t^3 D. S over t ** a letter with -- ^ means to that power** thank you!
*April 10, 2014*

**BIOLOGY**

how would i find the osmotic pressure of something from "0.9% NaCl solution and MW is 58 grams" .. ? is there a formula or some sort i am missing? if so can you tell me what that is cause i have several problems like these that i don't know how to solve
*April 8, 2014*

**Biology**

how would i find the osmotic pressure of something from "0.9% NaCl solution and MW is 58 grams" .. ? is there a formula or some sort i am missing? if so can you tell me what that is cause i have several problems like these that i don't know how to solve
*April 8, 2014*

**MATH**

Which expression is a polynomial???? A: 11 0ver the square root of x B: square root of 11 times x C: x - square root 11 D: 11 over the square root of x to the 2nd power (sorry I am not sure how to insert square root symbols or fractions, so u have to imaging its there) thank ...
*April 6, 2014*

**CHEM ABSTRACT**

ok thank you!
*April 4, 2014*

**CHEM ABSTRACT**

thank you! quick question, the link you provided mentioned to keep the methods section of the abstrast to about 2 sentences, but i had to do 6 experiments for it, do i have to fit all 6 different methods in the two sentences or would it be more like one sentence for each of ...
*April 4, 2014*

**CHEM ABSTRACT**

I need to write an abstract for my chemistry lab for identifying an unknown acid, is there a generic list of what to do for an abstract? because mine are always to long
*April 4, 2014*

**Chemistry**

This compound is mescaline, a hallucinogen. Which of the following statements is true? Mescaline is an amine. Mescaline contains an alcohol group. Mescaline is a carboxylic acid. Mescaline is an amine and contains an alcohol group.
*March 18, 2014*

**chemistry**

Sometimes the basicity of a solution is reported using pOH (pOH = -log[OH-]). What is the a. [OH-] if pOH = 1.90 b. [H3O+] if pOH = 12.94 c. pH if pOH = 9.70
*March 18, 2014*

**chemistry**

It requires 23.2 mL of 0.250 M KOH to titrate 49.0 mL of an HCl solution of unknown concentration. Calculate the initial HCl concentration.
*March 18, 2014*

**Chemistry**

It is commonly known that freshly cut fruits turn a brownish color when exposed to the air for a number of minutes. This is due to the action of the enzyme polyphenoloxidase. It is also well known that the formation of the brown color can be prevented or slowed by chilling the...
*March 18, 2014*

**Chem**

a)Pv=nRT 1mol(.0821)(288.15)/1atm=23.7L 1mol(.0821)(303.15).1atm=24.9L b)E=3/2nRT 1mol(8.314R)(303.15-288.15)=187J
*March 17, 2014*

**Chem**

A balloonist is preparing to make a trip in a helium-filled balloon. The trip begins in early morning at a temperature of 15 degrees C. By midafternoon, the temperature has increased to 30. degrees C. Assuming the pressure remains constant at 1.00atm, for each mole of helium, ...
*March 17, 2014*

**Chemistry**

Express the concentration of a commercial hydrogen peroxide solution, which is 3.0 (w/w), as a molarity. Show all work
*March 13, 2014*

**math**

If X varies inversely with Y and X=8 when Y= 10, find Y when X=6 Answer choices are A: y= 3/20 B: y= 4.8 C: y= 7.5 D: y= 40/3
*March 11, 2014*

**Math**

How do you find the coordinates to graph y=x2+2x-3
*March 5, 2014*

**social studies**

we are working on ancient egypt and i cant find the answer to In what ways were the reigns of Akhenaton and Ramses II different
*March 5, 2014*

**algebra**

A math tutoring service opened for their first year open, it had 5 students. If 3 new students enroll each year, which of the following equations represents how many students will be enrolled in x years? answer choices: A: y = 5x - 3 B: y = 5x + 3 C: y = 3x + 5 D: y = 3x - 5
*March 1, 2014*

**accounting**

Uncollectible Accounts—Percentage of Sales Ryan's Express has total credit sales for the year of $178,000 and estimates that 3% of its credit sales will be uncollectible. Record the end-of-period adjusting entry on December 31, in general journal form, for the ...
*March 1, 2014*

**math(algebra)**

A small college opened in 1999. In the linear model below, x represents the number of years after 1999, and y represents the student population. Interpret the slope. y = 576 + 173x Answer choices are::: A: An additional year of the college being open is associated with an ...
*February 28, 2014*

**MATH**

SIMPLIFY. 4 TO THE 4TH POWER TIMES 4 TO THE 2ND POWER.
*February 28, 2014*

**accounting**

A light truck is purchased on January 1 at a cost of $27,000. It is expected to serve for eight years and have a salvage value of $3,000. Calculate the depreciation expense for the first and third years of the truck's life using the following methods. If required, round ...
*February 28, 2014*

**accounting**

Based on the financial statements for Jackson Enterprises (income statement, statement of owner's equity, and balance sheet) shown below, prepare the following financial ratios. All sales are credit sales. The Accounts Receivable balance on January 1, 20--, was $21,600. ...
*February 28, 2014*

**Physics.**

From greatest to least, rank the accelerations of the boxes. C. <-5N--|3kg|--16N-> B. <-8N--|4kg|--16N-> A. <-4N--|5kg|--8N--> D. <-2N--|20kg|--20->
*February 21, 2014*

**West Chester University**

Physics.
*February 21, 2014*

**West Chester University**

From greatest to least, rank the accelerations of the boxes. C. <-5N--|3kg|--16N-> B. <-8N--|4kg|--16N-> A. <-4N--|5kg|--8N--> D. <-2N--|20kg|--20->
*February 21, 2014*

**history**

My next guess is A. Would that be correct?
*February 20, 2014*

**world history**

Which technologies have been pivotal in the development of the Information Age? To what extent did the industrial revolution create the foundation for modern technologies?
*February 17, 2014*

**Math**

Kayla had 441 stamps.She lost 3/7 of them. How many stamps did she have left?
*February 13, 2014*

**Calculus 3**

Find the center of the ellipsoid x^2+4y+2z^2+2x-4y+z = 20 I'm having trouble factoring to get the center points. Can someone please help. This is where I'm stuck. (x^2+2x+1)+4(y^2-y+1/4)+2(x^2+1/2z+1/16)=20+1+1+1/8 (x+1)^2+ Now I don't know how to get the y and z ...
*February 7, 2014*

**Chemistry**

what if you were mixing two different solutions? such as .9% of the NaCl solution and a 5% dextrose solution? would you just find the moles of both like the above and add them together? then divide all of it by the L?
*February 6, 2014*

**Chemistry**

I'm doing something wrong with osmolarity. I have 100 ml of .9% NaCl. So what i did was take the MW (58.44) and divided it by the .9 because it should be grams, then divided that number by .1 (for the liters) but its coming out with a huge number and its not supposed to. I...
*February 6, 2014*

**Chemistry**

Aspirin, C9H8O4 , is produced through the following reaction of salicylic acid, C7H6O3, and acetic anhydride, C4H6O3: C7H6O3(s) + C4H6O3(l) ---> C9H8O4(s) + HC2H3O2(l) A. What mass of aspirin (kg) could be produced from 75.0 mol of salicylic acid? B. What mass of acetic ...
*February 5, 2014*

**Chemistry**

If you total sample mass was 1.50 g, and you determined that 0.95 g were KHCO3, what was the percent mass off the KHCO3 in the sample?
*February 2, 2014*

**music**

I'm scared she might get mad so I need someones opinion should i pick him or another rock star?
*January 28, 2014*

**music**

Ok thanks but someone told me he worshipped satan so do u think my teacher would get mad?
*January 28, 2014*

**music**

In class I have to write a report on a music star so I chose marylin manson can someone tell me about him?
*January 28, 2014*

**Science**

Which of the following is disadvantage of internal fertilization? A. Gametes are released into the surroundings. B. Gametes may get washed away. C. The developing zygote is protected. D. Larger numbers of eggs can be fertilized at one time
*January 28, 2014*

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