Tuesday

September 30, 2014

September 30, 2014

Total # Posts: 990

**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*

**programming**

Write the following algorithms using pseudocode: 1. Calculate the net pay for an hourly employee. You will be given the name, pay rate and hours worked. You must calculate the state withholding (5%), federal withholding (18%), and Social Security (8%). You should display the ...
*February 15, 2013*

**math-probability**

A state lottery has a daily drawing to form a four-digit number. The digits 1 through 9 are randomly selected for each of the four digits. For each selection any one of the digits 1 through 9 are possible. What is the probability to the nearest hundredth of the four-digit ...
*February 13, 2013*

**math**

A game consists of tossing a coin and rolling an ordinary die. If the player tosses a head and rolls an even number, the player wins $3. Otherwise, the player loses $1. What is the expected value of this game? Select one: a. $6 b. $0 c. $3 d. $1
*February 12, 2013*

**math**

Flag question Question text A fair coin is tossed 6 times. What is the probability to the nearest hundredth of obtaining at least one head? Select one: a. .08 b. .98 c. .50 d. .02
*February 11, 2013*

**math**

A certain sweepstakes ticket has four categories of prizes with the following probabilities of being won: Prize Probability $100,000 1/500,000 $50,000 1/250,000 $20,000 1/200,000 $10,000 1/100,000 If each ticket costs $1.00, what is the expected gain or loss? Select one: a. $....
*February 11, 2013*

**math**

A certain sweepstakes ticket has four categories of prizes with the following probabilities of being won: Prize Probability $100,000 1/500,000 $50,000 1/250,000 $20,000 1/200,000 $10,000 1/100,000 What is the expected value of buying these sweepstakes tickets? Select one: a...
*February 11, 2013*

**math**

A disc-shaped spinner has five sections with the following colors and central angles: Blue, 60; Red, 120; Green, 45; Red, 45; and Yellow, 90. Determine the probability for one spin of the spinner. P(B U G)
*February 10, 2013*

**math**

A box contains 1 blue, 2 green, 1 red, and 2 yellow marbles. An experiment consists of randomly selecting two marbles without replacement. What is the probability of not obtaining a yellow marble?
*February 10, 2013*

**trig**

Two people decide to estimate the height of a flagpole. One person positions himself due north of the pole and the other person stands due east of the pole. If the two people are the same distance from the pole and a = 30 feet from each other, find the height of the pole if ...
*February 10, 2013*

**chemistry**

Calculate the theoretical percentage of water in gypsum, rounded to the nearest whole number %. (calcium sulfate dihydrate; CaSO4 ° 2H2O; Ca = 40 g/mol, S= 32 g/mol; O= 16 g/mol; H= 1 g/mol).
*February 6, 2013*

**Math**

A trapezoid is in the shape of a stage. write a coordinate proof to prove that TR and SF are para
*February 5, 2013*

**math**

there is 1/4 of a pear in every container of fruit salad. how many whole pears are there in 8 containers.
*February 5, 2013*

**math**

eight members of a club will make a paper chain. the chain is 4 feet long. each member will make an equal part. how much of the chain , in feet, will each member make?
*February 5, 2013*

**math**

Two people want to share 4/3 feet of rope equally. What length of rope should each person get?
*February 4, 2013*

**Computer**

I have the answer I was looking for, but do not know exactly how to format it into Excel. Can you please show that format ASAP? This is due tomorrow. Thank you!!! Bank Stmt Balance $4270.00 Add Rejected Checks 140.00 Deposited Checks 1650.00 Ending Balance $6060.00 Book ...
*February 4, 2013*

**trig**

cos(+pi/2-theta)/csctheta+cos^2theta
*January 31, 2013*

**English**

I need help to choose a proposal argumentative topic using would or should. May you help me?
*January 18, 2013*

**English 11 B**

Langston Hughes Questions: 1. Why does Edward hand over his belongings? (1 point) A. He is afraid. B. He feels sorry for the men. C. He is in a hurry and thinks he will be able to get to his destination more quickly if he does as he is told. D. none of the above 2. Why don&#...
*January 15, 2013*

**Math**

there was very little rain in Austin one summer. In june, the depth of lake travis fell 3 inches from its usual level. In july, it went down another 5 inches. in August it finally rained adding 2 inches to the lake depth. How many inches below the usual level was the lake at ...
*January 9, 2013*

**Math please help! Im so confused!**

Thank you DrBob222 and Ms. Sue!!!!
*January 9, 2013*

**Math please help! Im so confused!**

it is estimated that at the turn of the 20th century, one farmer in the U.S could feed 25 people, whereas today, the ratio is about 1 to 130. How many farmers would it take today to feed 2600 people? Please help i dont even know how to do this problem!
*January 9, 2013*

**physical science**

Using Fig. 4.28 as an example, how much applied force would the man need to have to pull the block (weight or output force = 500 N) if the rope he is holding is 7 m long and the rope on the pulley is 2 m long? (Hint, the pulley is a simple machine)
*January 3, 2013*

**physical science**

8. Which one has more momentum? Which has the greater impulse? a. A 2000 kg car moving at 5 m/s b. A 9 g bullet traveling at 450 m/s
*January 2, 2013*

**physical science**

4. Jane weighs 150 lbs and Bob weighs 220 lbs. They decide to try skydiving. If they jump at the same time, who would reach the ground first
*January 2, 2013*

**physics**

Jane weighs 150 lbs and Bob weighs 220 lbs. They decide to try skydiving. If they jump at the same time, who would reach the ground first
*January 2, 2013*

**Math**

Find the standard divisor for the given population and number of representative seats. Assume the population is equal to 190,000 and the number of seats is 8. d = ______
*December 23, 2012*

**algebra**

convert 44.6 % to fraction notation
*December 10, 2012*

**HSM/220 - HUMAN SERVICES ADMIN: SO YOU WANT TO HEL**

To have effective organizational structure advantages in departmentalization would consist of good communication in each unit information would have to be well documented by intake to fit the client’s conditions and needs. Intake must make sure the information is passed ...
*December 4, 2012*

**Probability **

4 fair coins are tossed. What is the probability that all the outcomes are heads?
*November 28, 2012*

**Steve help!**

10,000 students took a math test. If there average score was 40 with standard deviation of 10, how many students must have scored between 20 and 40 marks? 3,772 2,227 5,000 3,334 4,772
*November 28, 2012*

**penn foster**

exam003062rr the staff
*November 18, 2012*

**the facility**

aesthetic is concerned with matter such as
*November 11, 2012*

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