Saturday

December 20, 2014

December 20, 2014

Total # Posts: 1,025

**math**

*simplify*
*January 22, 2014*

**math**

Simply the expression: (2x)(3x) THANKS! :)
*January 22, 2014*

**chemistry**

225
*January 20, 2014*

**Science**

The bacterium Caulobacter crescentus is able to form long cell envelope extensions that increase the surface area-to-volume ratio when placed in adverse environments. What is the likely function of these envelope extensions? To acquire nutrients To aid in cell division To ...
*January 11, 2014*

**Science**

Which of the following best describes an aspect of a membrane's molecular structure that causes it to be selectively permeable? Carrier proteins on either side of the membrane slow the traffic of large molecules into the cell. Nonpolar molecules cannot dissolve in the ...
*January 11, 2014*

**Science**

Which of the following would not be affected by a loss of vacuole function? The export of unwanted substances The production of ATP>>>>>>? The regulation of cellular pH The storage of food materials
*January 11, 2014*

**A Peculiar Question**

We have tightened security at the airports When going through gov. buildings we have thourough searchings Security cameras are everywhere Convience stores also have sercurity cameras. People are buying guns People are locking their house doors. People are ?? Something like that?
*January 11, 2014*

**math**

Don breaks a 4×7
*January 8, 2014*

**Science**

What stage involves histone acetylation, in which the negative charges of the lysines are neutralized so that the histone tails no longer bind to the neighboring nucleosomes? Primary transcription?
*December 28, 2013*

**Mth 209**

Which of the following conclusions is true about the statement below? X^2√x Multiple Choice: The statement is never true. The statement is true when x is negative. The statement is true when x=0. The statement is always true.
*December 16, 2013*

**physics**

an auto, moving too fast on a horizontal stretch of mountain road, slides off the road, falling into deep snow 43.9 meters below the road and 87.7 meters beyond the edge of the road. a. How long did the auto take to fall? b. How fast was it going when it left the road?
*December 12, 2013*

**physics**

An airplane traveling 1001 meters above the ocean at 35 m/s is to drop a box of supplies to shipwrecked victims below. a. How many seconds before being directly overhead should the box be dropped?
*December 12, 2013*

**Statistics**

Can someone help me do this problem? A group of environmentalist are trying to estimate the population of the state rid in clear view park. They capture a sample of 500 birds in early spring and tag them. in august they capture 215 birds, of which 20 are tagged. a) use the ...
*December 12, 2013*

**calculus**

a farmer wants to make a rectangular pen from 200 feet of fencing. he plans to use a 100 foot wall along with some of the fencing to make one side of the pen. find the dimensions of the pen that will make the enclosed area as large as possible.
*December 8, 2013*

**business math**

Bill's monthly payment is $1,056 per month. The principal is $100,000 at a rate of 12 1/2 percent for 35 years. The amount of interest for Bill's 1st payment is $1,011.67. True False
*December 8, 2013*

**Spanish**

I need major help in translating these numbers into Spanish correctly. Thanks 570 quinientos setenta 46.500 cuatro seistente 726 setecientos y veintiseis 489 cuatrocientos ochenta y nueve 1.950.020 uno millones noventa y ciento mil
*December 3, 2013*

**Math Probability *Repost***

Thanks
*December 1, 2013*

**Math Probability *Repost***

Okay, but I was wondering would you use the same method (combination) for this question If a person buys 1000 LOTTO tickets, what is his probability of winning the grand prize?
*December 1, 2013*

**Math Probability *Repost***

A certain state's lottery game, LOTTO, is set up so that each player pays $1 per ticket and chooses six different numbers between 1 and 20 inclusive. If the six numbers chosen match the six numbers drawn, the player wins the grand prize. If a person buys one LOTTO ticket, ...
*December 1, 2013*

**Math Probability**

I decided to add my name. This is my first time on here, so I wanted to see how it work first.
*December 1, 2013*

**Math Probability**

A certain state's lottery game, LOTTO, is set up so that each player pays $1 per ticket and chooses six different numbers between 1 and 20 inclusive.(the order doesn't matter) If the six numbers chosen match the six numbers drawn, the player wins the grand prize If a ...
*December 1, 2013*

**Math**

Let me see if I remember this... I believe you plug in one of the points into the point slope formula y-y1=m(x-x1) (2,4) x1=2 and y1=4 m=slope in this case -2 I hope this help
*December 1, 2013*

**Math Probability**

I decided to add my name. This is my first time on here and I wanted to see what its all about... another question I'm struggling with If a person buys 1000 LOTTO tickets, what is his probability of winning the grand prize?
*December 1, 2013*

**Spanish**

Can I get help with revisions: 1. ¿Le escribe Rolando un correo electrónico a Miguel? 2. ¿Nos trae el botones las maletas a la habitación? 3. ¿Les dan gafas de sol los vendedores a los turistas? 4 ¿Te compra botas en el invierno tu ...
*November 24, 2013*

**Math Help**

This homework question was removed due to a copyright claim submitted by the National Network of Digital Schools Management Foundation (NNDS).
*November 19, 2013*

**Beginner Spanish -Check my answers please**

Select the correct forms of ser or estar to complete the sentences. 1. Aquí __ las fotos de mis vacaciones en España. Mira, __ muy bonitas. están, son estoy, somos son, están soy, está 2. Aquí __ con mi familia en la playa cerca de ...
*November 12, 2013*

**business math**

Mortgage lenders base the mortgage interest rate they offer you on your credit rating. This makes it financially critical to maintain a credit score of 700 or higher. How much more interest would you pay on a $195,000 home if you put 20% down and financed the remaining with a...
*November 9, 2013*

**finance **

Based on data from 1999 to 2001, the net sales (revenue) of Gatorade/Tropicana North America is R(t) = -107t2+496t+3452 million dollars and the operating profit is P(t) = −18.5t2 + 85.5t + 433 million dollars - where t is the number of years since 1999Profit = Revenue &#...
*October 9, 2013*

**Gov**

Protectionism to Liberalized Trade This is the current stance of America towards the WTO it still believes in a protectionist stance but it has also taken on a more liberalized trade mentality as well so your answer is A.
*October 9, 2013*

**algebra root**

can i get help with this please what does it mean type of root Determine the number and type of roots 2X(X+2) =-2
*October 9, 2013*

**finance **

hey i cant figure this out can someone please help me Gatorade/Tropicana North America, a subsidiary of PepsiCo, produces fruit juices and other flavored beverages. Based on data from 1999 to 2001, the net sales (revenue) of Gatorade/Tropicana North America may be modeled by R...
*October 9, 2013*

**physics**

a ball is dropped from a tower of height 5 m. it accelerates uniformly at 10m/s .if mass of the ball is 2 kg ,find the momentum transferred by a ball to the ground on striking.
*October 9, 2013*

**Science - Electricity**

Acetylene gas is leaking from a cylinder in the immediate vicinity of an insulated conveyor belt which has built up a charge of 3.0ìC. If the conveyor belt has a capacitance of 80pF, is there a danger of the acetylene being ignited? Consider both energy and voltage in ...
*October 3, 2013*

**Physics**

Use the concepts of acceleration, force and yield strength to explain why delicate goods shipped in a cardboard box are often first packed in polystyrene foam.
*October 2, 2013*

**math**

you have a collection of 13 different toppings and you choose at least one. how many different combination are possible assuming no repeat toppings?
*September 22, 2013*

**nutrition**

what is biovialability
*September 19, 2013*

**Chemistry **

Consider the following compound: uranium (VI) sulfate I think the answer is U2(SO4)6 but I'm not sure if I need to simplify it to U(SO4)3 Thank you for your time!
*September 17, 2013*

**Algebra**

-3m-(-4) ___________ = 12 -6
*September 12, 2013*

**science**

what is difference between voluntary and involuntary muscle?
*September 12, 2013*

**Career question**

oh my... that's a long time... maybe I should re think my career choice...
*September 8, 2013*

**Career question**

how long does it take to become a pediatrician?
*September 8, 2013*

**statistics**

1.What’s the most appropriate procedure for evaluating the relationship between tenure and divorce? 2.What is the correlation and how can it be interpreted in terms of magnitude, direction and practical importance? 3.How much of whether executives have been divorced can ...
*August 25, 2013*

**math**

250 divided by 2187.50
*August 14, 2013*

**broughton**

In triangle RST, m<R = 5x -3, m<S = 3x + 2 and m<T = x+10. Find m<R
*August 2, 2013*

**Family**

A child' ability to cope with the stress from parental divorse is strongly influenced by the
*July 20, 2013*

**Family**

Children, family and society
*July 20, 2013*

**Teachers aide**

Latchkey children are
*July 20, 2013*

**Physics**

A roller in a sheet-metal processing plant has a diameter of 1.77 m and a mass of 5871 kg. Assume the roller is a solid cylinder. a) What is the moment of inertia of the roller? b) What is the kinetic energy of the roller when it spins at 4.28 rad/s? Please provide all work ...
*July 7, 2013*

**intermediate algebra**

Hello, I am so stuck...I even watched two hours of videos, but it didn't really help me:( I am working on these kinds of problems... 3x-4|+5>32 And...as part of our homework, we have to enter it on the computer in interval notation. So I know that I solve it for both ...
*July 6, 2013*

**MATH**

It's me again, I didn't have the sign after the 6. It was suppose to look like this. 2x+6>7x-6 I just need a demonstration on how to do it, I am rusty! Thanks, Tina
*July 6, 2013*

**Math**

Hi, I tried this problem different ways, but keep getting it wrong.I am rusty, and need a demonstration of how to do it, thanks! 2x+6.7x-6
*July 6, 2013*

**02604400**

Latchkey kids
*June 27, 2013*

**english grammer**

write an essay on the the topic- government has granted a large amount of money to your school to construct a hobby room and buy instruments for your school orchestra. why would you like to have the two in your school.
*June 27, 2013*

**maths**

1.a cloth merchant on selling 27 metres of cloth obtains a profit equal to the selling price of 9 metres of the same cloth . find the profit percent. 2. by selling cloth at rupees 9 per metre a shopkeeper loses 10% . at what rate should it be sold so as to gain 15%.
*June 26, 2013*

**maths**

1.two houses are bought for rupees 65000 each. the first is sold at a profit of 8% . if the average price received for each house is rupees 66300,find the gain or loss % on the second house. 2. a shopkeeper sells sugar in such a way that the selling price of 950gm is the same ...
*June 26, 2013*

**maths**

if oranges are bought at the rate of 11 for rupees 10 and are sold at the rate of 10 for rupees 11 , find his profit percent.
*June 26, 2013*

**math**

14. Varsity Press, a publisher of college textbooks, received a $70,000 promissory note at 12% ordinary interest for 60 days from one of its customers, Reader’s Choice Bookstores. After 20 days, Varsity Press discounted the note at the Grove Isle Bank at a discount rate ...
*June 22, 2013*

**Technology in classroom**

Which is one disadvantage of drill and practice programs?
*June 17, 2013*

**Instructional materials**

Filmstrip is called when its put on visualtape
*June 17, 2013*

**Instructional materials, their preparation and use**

Which of the following can we consider to be truly audiovisual?
*June 17, 2013*

**math**

On May 23, Samantha Best borrowed $40,000 from the Tri City Credit Union at 13% for 160 days. The credit union uses the exact interest method. What was the amount of interest on the loan? Using the scenario from the previous question, calculate the maturity value of the loan
*June 17, 2013*

**math**

What is the maturity value of the following loan? Use MV = P(1 + RT) to find the maturity. Principal=$120,740, Rate=11¾ and Time= 7 months
*June 15, 2013*

**Algebra**

Thank you sooooooo much!!!!!!!!
*May 29, 2013*

**Algebra**

Can someone help me with these two questions? What is the 50th term of the sequence that begins -4, 2, 8, 14...? What is the 20th term of the sequence that begins -3, 6, -12, 24...?
*May 29, 2013*

**math**

if the manufacture from the question above changes a 4 1/2% late fee, how much would city cellular owe if it did not pay the balance by the net dated?
*May 26, 2013*

**7th grade math**

Yes, ok that makes sense. Thanks!
*May 14, 2013*

**7th grade math**

How does functions in math relate to what you put into it is what you get out of it? Can you explain for me? i'm thinking it doesn't really? one example if you can like in sports or goverment? Don't know.
*May 14, 2013*

**math**

the surface area of a prism with base 25mm by 35 mm and the height at 50 mm
*May 14, 2013*

**chemistry**

11.During an acid-base titration, 25 mL of NaOH 0.2 M were required to neutralize 20 mL of HCl. Calculate the pH of the solution for each of the following: 12.Before the titration. 13.After adding 24.9 mL of NaOH. 14.At the equivalence point. 15.After adding 25.1 mL of NaOH. ...
*May 8, 2013*

**business math**

you are moving to a new home and have rented a truck to assist you with the move, truck rental charge 39.95 per day plus $0.68 per miles, you will need the truck for 3 days and will travel 460 miles. what will the total cost to be.
*April 28, 2013*

**business math**

Using your answers from the the previous question, if the profit on regular gas is $0.18 per gallon and the profit on premium gas is $0.20 per gallon, what was the station’s total profit? (Points : 2)
*April 28, 2013*

**business math**

You are interested in purchasing a wide-screen television set at Target. On this type of TV, the ratio of screen width to screen height is 16 to 9. If a certain model you are considering has a screen width of 48 inches, what is the height of the screen (in inches)?
*April 28, 2013*

**Math**

Explain "the larger the denominator the smaller the fraction?"
*April 25, 2013*

**chemistry**

how many moles of gold are there in 1.00 L of seawater if there are 1.50^17 atoms of gold in the sample?
*April 25, 2013*

**Biology immediate help! please!**

Need help please don't understand these questions. Dihybrid Genetic Crosses for Corn. A. What are the two hypotheses that you made about the allelic frequencies of progeny produced by the crosses: P x P? P F1 x F1? F B. Based on what you know about phenotypes and Figure 2...
*April 22, 2013*

**math**

y/9=-5/3
*April 14, 2013*

**Chemistry**

You have 500 mL of a 5.0 M solution of nitric acid HNO3 (63.01 g / mol) dissolved in water. How many grams of nitrogen does the solution contain?
*April 13, 2013*

**Thermodynamics**

Suppose you start with a liquid mixture of 60% nitrogen and 40% oxygen. Describe what happens as the temperature of this mixture increases. Be sure to give the temperatures and compositions at which boiling begins and ends.
*April 12, 2013*

**Thermodynamics**

Suppose you start with a liquid mixture of 60% nitrogen and 40% oxygen. Describe what happens as the temperature of this mixture increases. Be sure to give the temperatures and compositions at which boiling begins and ends.
*April 11, 2013*

**math**

Alana bought 3/8 pound of swiss cheese and 1/4 pound of American Cheese. Which pair of fractions cannot be used to find how many pounds of cheese she bought in all a)6/16 and 4/16 b)9/24 and 6/24 c)24/64 and 8/64 d)15/40 and 10/40
*April 10, 2013*

**Thermodynamics**

Suppose you start with a liquid mixture of 60% nitrogen and 40% oxygen. Describe what happens as the temperature of this mixture increases. Be sure to give the temperatures and compositions at which boiling begins and ends.
*April 10, 2013*

**math**

a storage crate has the dimensions : 12ft * 6ft *5ft. how many cube-shaped boxes measuring 8 inches in length could be stacked completely within the cube??
*April 10, 2013*

**Math**

sec(alpha) = -4(√(5))/5 find exact values at alpha for the remaining five trig functions
*April 10, 2013*

**Thermodynamics**

Suppose you start with a liquid mixture of 60% nitrogen and 40% oxygen. Describe what happens as the temperature of this mixture increases. Be sure to give the temperatures and compositions at which boiling begins and ends.
*April 10, 2013*

**math**

julia picked 2 cards from a face down stack of cards containing 4 hearts 4 diamonds 4 clubs and 4 spades. Make a treediagram to find all the possible combinations for the 2 cards Julia picked
*April 9, 2013*

**english**

I'm writing a thesis for pathogens for infectious diseases. My essay is going to be about depressive disorder and anxiety disorder and I need to write a thesis for it.
*April 7, 2013*

**Chemistry**

What do we mean when we say that concentrated nitric acid (HNO3) is 16 molar?
*March 24, 2013*

**Physics**

For a certain Chemical reaction, you find that delta H = -100kJ and delta S = -200 J/K. What is the Gibbs free energy for the reaction at: (a) room temperature (b) 800 C (c) comment on whether the reactions are spontaneous or not
*March 18, 2013*

**Math**

If 10 jugs of H2o fill 5/8 of a bucket. Another 4 jugs and 5 cups of H2o are needed to fill the remaining parts of buckets. How many cups of H2o can fill a bucket?
*March 6, 2013*

**math**

Jay is twice as old as Sandy and 2 years younger than Mike. Mike is 7 years older than Sandy. How old is Jay?
*March 6, 2013*

**Sampling Distribution**

Sampling Distribution Complete solutions and illustrations are required. 5.The standard deviation of a variable is 15. If a sample of 100 individuals are selected compute for a.The standard error of the mean. b.What sample size is necessary to double the standard error of the ...
*February 27, 2013*

**Sampling Distribution**

Sampling Distribution Complete solutions and illustrations are required. 4.The average breaking strength of a certain steel cable is 2000 pounds, with a standard deviation of 100 pounds. A sample of 20 cables is selected and tested. Find the sample mean that will cut off the ...
*February 27, 2013*

**chemistry**

determine h30+ in M, of 10.00ml of .100M NaOH after adding 10.00ml of indicator solution?
*February 27, 2013*

**Trig**

Four wires support a 40-meter radio tower. Two wires are attached to the top and two are attached to the center of the tower. The wires are anchored to the ground 30-meters from the base of the tower. What is the total length of wire needed?
*February 26, 2013*

**trig**

Four wires support a 40-meter radio tower. Two wires are attached to the top and two wires are attached to the center of the tower. The wires are anchored to the ground 30-meters from the base of the tower.
*February 26, 2013*

**Math**

when i do this i get 3a^2sqrtb is that correct?
*February 22, 2013*

**Math**

how would i write out this equation into a simplified experssion using exponents. (81a^8b^4)^1/4
*February 22, 2013*

**math**

the answer is 2,220
*February 19, 2013*

**Westwood college**

Sixth Fourth Bank has an issue of preferred stock with a $5.50 stated dividend that just sold for $97 per share. What is the bank’s cost of preferred stock?
*February 16, 2013*

**programming**

3. Your company needs to depreciate its assets. The accountant wants to record the purchase price, the useful life, and the estimated salvage value. Your program should be able to depreciate by the straight-line method. For example, a computer system was purchased for $25,000...
*February 15, 2013*

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