Friday

February 12, 2016
Total # Posts: 91,674

**Chem**

A mass of 0.4 g of hydrogen (H2) and 3.2 g of helium (He) are mixed in a rigid 500 mL container. What is the partial pressure of helium when the container is cooled to 77 K ?
*January 27, 2016*

**math**

the legth of a side of a square is represented by (3x-1). if the perimeter of the square is 68, find t he value of x
*January 27, 2016*

**Chemistry**

Which of the following has the lowest conductivity when dissolved ? F2, H2O, MgO, or LiCl
*January 27, 2016*

**Math**

Will has 27 books Cassandra ha17 books how many books do they have together
*January 27, 2016*

**math**

A 36/12 = 3
*January 27, 2016*

**Math**

Which ice cream is more expensive per litre? How do you know? 3L of ice cream for $10 or 4L of ice cream for $12?
*January 27, 2016*

**social studies**

New england
*January 27, 2016*

**Math**

What is the slope of the line containing the points (-9,2) and (3,14)?
*January 27, 2016*

**Science**

Beach sand contains plenty of the mineral quartz. Why should you not put your plastic sunglasses down on the sand at the beach?
*January 27, 2016*

**English**

What is formal schooling
*January 27, 2016*

**video formatting**

I created a video on windows movie maker and have to save it in the .wmv format. So I went to save movie and added .wmv but it doesn't save it as that it saves it as mp4. is this almost the same thing?
*January 27, 2016*

**history**

Why was harappa and mohenjo daro important in Indus Valley Civilizations?
*January 27, 2016*

**Data Management**

@reiny thank you!
*January 27, 2016*

**Data Management**

Q1: Consider the word BASKETBALL a) how many of the arrangements begin with a k? (60 480) b) how many of the arrangements start with a B and end with a K? (10 080) For this question, I am not sure what they mean but it beginning with k or b... Q2: Joanne's bag of marbles ...
*January 27, 2016*

**math**

There are 5 red cubes and 10 green cubes in a bag. A cube is picked then put back in the bag and another is chosen. If I did this is done 180 times, how many green cubes would you expect to have picked?
*January 27, 2016*

**Physics **

A 2700 kg car traveling to the north is slowed down uniformly from an initial velocity of 29.8 m/s by a 7540 N braking force acting opposite the car’s motion. a) What is the car’s velocity after 2.77 s? Answer in units of m/s.
*January 27, 2016*

**geometry**

30 degrees
*January 27, 2016*

**geometry**

Francine cut a large circular cake into 12 equal .slices. what acute angle is formed by the sided of each slice
*January 27, 2016*

**Pre-Calc**

How do you do this? A farmer has 336 feet of fencing and wants to build two identical pens for his prize-winning pigs. The pens will be arranged as shown. Determine the dimensions of a pen that will maximize its area.
*January 27, 2016*

**Physics**

A proton and an alpha particle (q = +2.00e, m = 4.00u ) are fired directly toward each other from far away, each with an initial speed of 0.247c. What is their distance of closest approach, as measured between their centers? (Hint: There are two conserved quantities. Make use ...
*January 27, 2016*

**Math**

plzz answer my hmwk is due in tommow p1
*January 27, 2016*

**Math**

yes
*January 27, 2016*

**Math**

PLease
*January 27, 2016*

**Math**

Is IQR better for non-symmetrical data?
*January 27, 2016*

**Pre-Calc**

The equation -2 = a(64) +3 gives 64a = -5, or a = -5/64.
*January 27, 2016*

**Pre-Calc**

What is the standard form of the equation of the parabola that has a vertex at (4, 3) and passes through the point (-4, -2)? Is it f(x) = -5/64(x - 4)^2 + 3?
*January 27, 2016*

**accounting**

julie volunteered to work on christmas day because her parents were out of the country on holidays.her regular wage is $12.00 an hour. how much would she earn for working on christmas day?
*January 27, 2016*

**Art**

Sorry this is my first time using jiska and you didn't have to say it that rude. Do you know the answer?
*January 27, 2016*

**Art**

My answers: 1.c 2.b 3.d 4.a 5.b 6.b 7.d 8.a 9.b 10.d
*January 27, 2016*

**Art**

1.An art historian notices that two neighboring cultures use a similar style when sculpting horses. This is likely an example of A. Shares interests in the equine form B. Baroque style C. Cultural exchange D. Orientalizing Style 2.An artist loved to work with smooth, flowing ...
*January 27, 2016*

**Physics**

A bullet fired vertically upwards reaches a height of 500m. [g=9.8m/s2]. What is its initial velocity?
*January 27, 2016*

**Geography**

Tme measurement
*January 27, 2016*

**algebra**

Sue ate some apples from a bag. She left 20 apples. This is five-eights the number of apples she had bought. How many apples did she buy?
*January 27, 2016*

**Science HELP!**

The genetic code is the set of rules by which information encoded in genetic material (DNA or RNA sequences) is translated into proteins (amino acid sequences) by living cells.
*January 27, 2016*

**math**

IDK
*January 27, 2016*

**math**

how do you divide a 3 with a 2 when they're not even???!!!!
*January 27, 2016*

**math**

The cubic feet of a cylinder that's 12 3/4 inches wide and 16 inches wide?
*January 27, 2016*

**math**

What do you mean?
*January 27, 2016*

**calculus 2**

Nevermind I had made a stupid mistake. I figured this one out
*January 27, 2016*

**MATH**

the number of movies lisa, mia and nina have seen in ratio 6 4 7
*January 26, 2016*

**math**

depends on the subject - geometry, arithmetic, ??
*January 26, 2016*

**Math**

A certain slow clock loses 15 mins every hour. Suppose the clock is set to the correct time at 9 AM. What will the correct time be when the slow clock first shows 10 AM? Show your work. Also, does to lose an hour mean to go forward or fall back an hour?
*January 26, 2016*

**AP Chem **

What is the wedge dash notation for the SP hybridization of Carbon? Could someone please describe it, or do you have a link for it? I'm so stuck and lost! Thank you
*January 26, 2016*

**math**

With 6 cups, 5 loaves of bread can be made. Divide 24 by 6 and you get 4 Multiply 5 by 4 to get the # of loaves for 24 cups 5x4=20 Brandon can make 20 loaves of bread with 24 cups of flour
*January 26, 2016*

**math**

Lilly estimated a quotient of 1 20 and found an actual quotient of 83.What should she do next?
*January 26, 2016*

**Math**

Three friends were working on a project. Cindy completed 4/8 of the project. Kim completed 3/8 of the project. Sandy completed 1/8 of the project. How much of the project did they complete all together
*January 26, 2016*

**Math**

please help me Explain how you can tell if a line is proportional
*January 26, 2016*

**Math**

PLease Explain how you can tell if a line is proportional
*January 26, 2016*

**Math**

Which equivalent fractions can you use to find the sum of 2/8 + 3/9
*January 26, 2016*

**math**

The sum of the angles of a triangle is 180 degrees. In the figure below angle B and angle C are the same size. If angle A is 54 degrees smaller than angle B. Find the measure of each angle.
*January 26, 2016*

**Biology**

What cellular mechanisms causes short term changes in gene expression
*January 26, 2016*

**Biology**

For your cell explain how gene expression related to the cell's ability to perform its function in the body
*January 26, 2016*

**Biology**

Explain why some proteins are made by nearly all cells and give two examples I put they are needed for basic cell life but I don't know what two examples to put
*January 26, 2016*

**Math -Algebra**

what is 2 square root 5 multiplied by 3 square root 2
*January 26, 2016*

**Intermediate Algebra**

Translate phrases from words to symbols for the following statements: The sum of twenty and five is greater than or equal to four times three and a number.
*January 26, 2016*

**english**

which is a synonym for stoke as it is used in line 131 for the excerpt from the odyssey part I
*January 26, 2016*

**science(physics)**

the no of wave in 6cm of vacum is same as that of no of wave in xcm of medium refractive index of given medium is 3/2 find the value of x
*January 26, 2016*

**mathematics**

four numbers are in g.p if the product of these extremes is 243 and the sum of the middle two is 36.find the numbers
*January 26, 2016*

**mathematics**

four numbers are in g.p if the product of these extremes is 243 and the sum of the middle two is 36.find the numbers
*January 26, 2016*

**mathematics**

four numbers are in g.p if the product of these extremes is 243 and the sum of the middle two is 36.find the numbers
*January 26, 2016*

**AP Chem **

What is the electron configuration for carbon with sp hybridization? I have no idea. I know carbon has 4 electrons to use (6 electrons total, but 4 to move around for hybridization purposes), I know that the sp orbitals would take up two of the electrons, do the other two ...
*January 25, 2016*

**Math**

Jacob is 4p years old. His niece is 5years younger than 1/3 of his age. How old his his niece in terms of p.
*January 25, 2016*

**Math**

Use the numbers 1, 2, 3, ...10 exactly once, as well as addition and subtraction signs, to get a value of 100.
*January 25, 2016*

**math**

Which is greater, 4:1 or 10:3 and why?
*January 25, 2016*

**MATH Precalculus**

Use the Laws of logarithms to rewrite the expression log3(x^18*sqrt3(y12)) in a form with no logarithm of a product, quotient or power. After rewriting we have log3(x^18*sqrt3(y12))=Alog3(x)+Blog3(y) With the constant A=? B=? I have no idea with this one and my teacher is so ...
*January 25, 2016*

**Biology **

How did you model crossing over using your chromosomes?
*January 25, 2016*

**Biology**

I just want to know how to improve on Biology. I know most people will say to study but even when I study for this class, I still can't do as well as I want to. Any tips?
*January 25, 2016*

**Science**

Explain why some proteins are made by nearly all cells and give two examples
*January 25, 2016*

**math**

Pauls dad made a turkey pot pie for dinner on Wednesday. The family ate 4/8 of the pie. On thursday after school, Paul ate 2/16 of the pie for a snack. What fraction of the pie remained?
*January 25, 2016*

**Math**

Which is greater, 4:1 or 10:3 and why?
*January 25, 2016*

**business communications**

i vote for d
*January 25, 2016*

**business communications**

You want to ask your supervisor about working flexible hours. You think that her first concern will be whether you will still be able to accomplish all your necessary tasks, but you have found some research showing that flex-time employees are generally more productive than ...
*January 25, 2016*

**business communications**

You have completed a research project and have come up with some interesting and persuasive content. Although your ideas are spot-on, the format of your final report is difficult to read and a little confusing. This __________. A. is problematic, as it will undermine your ...
*January 25, 2016*

**business communications**

You have completed a research project and have come up with some interesting and persuasive content. Although your ideas are spot-on, the format of your final report is difficult to read and a little confusing. This __________.
*January 25, 2016*

**Math**

Need help please! I just need help with creating an inequality and solving it. Ethen considers some fundraisers for the upcoming year. He looks at data from the first fundraiser the club did last year. The club sold a variety of snacks last year. The numbers of snacks sold are...
*January 25, 2016*

**Math**

Which of the followings statements is true and why A,-7.4>-7.39 B,-5.25>-5.3 C,4.5<-6 D,0<-6.32
*January 25, 2016*

**Math**

thanks rutger and ms.sue
*January 25, 2016*

**Math**

An artist's paint set contains 30% watercolors and 25% acrylics.What fraction represents the portion of the paints that are watercolors or acrylics? A. 1/4, B. 3/10, C. 11/20, and D. 9/11
*January 25, 2016*

**Art**

How would i draw Mohenjo-daro.
*January 25, 2016*

**Math**

here are my choices A. 1/4,B. 3/10,C. 11/20,and D. 9/11
*January 25, 2016*

**Math**

An artist's paint set contains 30% watercolors and 25% acrylics.What fraction represents the portion of the paints that are watercolors or acrylics?
*January 25, 2016*

**History**

What do they call the word hardware in the UK
*January 25, 2016*

**algebra**

You are going to the movies, movie tickets are $10 for adults and $8 dollars for children. The total amount of money that you can spend is $80. Write an equation to model the situation. What are the x and y intercepts.
*January 25, 2016*

**History**

Thank you! Do you know this one? In Hindi, what do these symbols ( :) mean?
*January 25, 2016*

**History**

How does the Kanarda symbol for o look like? I can't find it
*January 25, 2016*

**History**

What was the original meaning of the term buxom?
*January 25, 2016*

**Physical education URGENT PLEASE HELPPPP**

Explain how sprinters use flexibility. Explain how javelin throwers use flexibility. Explain how gymnasts in floor routines use flexibility.
*January 25, 2016*

**Math**

Question 2 is 3x+12
*January 25, 2016*

**History**

How does the Hebrew symbol for l look like? How does the Kanarda symbol for O look like? In Hindi what do these ( :) mean?
*January 25, 2016*

**math**

225 x 16= 3600 3600/400=9 9 x $25 = $225
*January 25, 2016*

**math**

Hill crest public elementary school was recycling their copier paper after the students had completed the worksheets.They found that when they filled a barrel with paper,it weighed an average of 225 kilograms if they collected 16 barrels of paper during the year.What was the ...
*January 25, 2016*

**math**

7/20= 0.35 x 100 =35 35%
*January 25, 2016*

**Math- Urgent, please help!**

x= 3
*January 25, 2016*

**History**

What does the UK call the word hardware
*January 25, 2016*

**History**

How does the hungarian symbol for es look like
*January 25, 2016*

**Math**

575 x 1.07 = $632.50
*January 25, 2016*

**Math! Pls Help!**

idk
*January 25, 2016*

**Math! Pls Help!**

idk
*January 25, 2016*

**math**

(4.5x10^6)+(6.4x10^5)
*January 25, 2016*