Wednesday

June 29, 2016
Total # Posts: 98,044

**Physics**

What is the pressure at a depth of 80 m in the ocean? The density of seawater is 1. 03 × 10 3kg/m3. Please express your answer in units of atm.
*May 22, 2016*

**Physics**

A barrel will rupture when the gauge pressure inside reaches 345 kPa. A vertical pipe is attached to the lower end of the barrel. The barrel and pipe are filled with oil, density of 1200 kg/m3. How long can the pipe be if the barrel is not to rupture?
*May 22, 2016*

**Pre-Calc**

Five cards are dealt from a standard deck of 52 cards. What is the probability that three or four of the cards are aces?
*May 22, 2016*

**Physics**

A barrel will rupture when the gauge pressure inside reaches 345 kPa. A vertical pipe is attached to the lower end of the barrel. The barrel and pipe are filled with oil, density of 1200 kg/m3. How long can the pipe be if the barrel is not to rupture?
*May 22, 2016*

**Physics**

How high (in meters) would the water rise in the pipes of a building if the water pressure gauge shows the pressure to be 252 kPa at ground level?
*May 22, 2016*

**Physics**

What is the pressure at a depth of 80 m in the ocean? The density of seawater is 1. 03 × 10 3kg/m3. Please express your answer in units of atm.
*May 22, 2016*

**science**

14. A car with a mass of 1,200 kilograms is moving around a circular curve at a uniform velocity of 20 meters per second. The centripetal force on the car is 6,000 newtons. What is the radius of the curve?
*May 22, 2016*

**maths **

a curve is defined in the x-y plane by y=(x-1)(ax^2+bx+x) where a, b and c are constants. the curve touches the x-axis at x=1 and the line y=3x+6. a) find the values of a, b and c.
*May 22, 2016*

**Pre-Calc**

Three cards are chosen at random from a standard 52-card deck. Find the probability that all three cards are hearts given that there are 13 hearts in the deck. Round to the nearest thousandth. Is this 0.013?
*May 22, 2016*

**Mathematics **

If the digit in unit's place of number is 7 then the digit in the unit's place of its cube is
*May 22, 2016*

**Math**

Aaron's father is nine times as old as he is. One year ago, he was two years more than eleven as old as Aaron. Find Aaron's present age.
*May 22, 2016*

**Physics**

A friend asks you how much pressure is in your car tires. Unfortunately, you have misplaced your gauge but confident in your knowledge of physics you tell your friend “I can figure it out”. From the owner’s manual you find that the car’s mass is 1350 kg and...
*May 21, 2016*

**maths**

The distances travelled in a successive seconds are in AP. It travels 1.5 cm in the first second and 1.9 cm in the next second.How long did it take to cover the total distance ?
*May 21, 2016*

**math**

the height of a building is 1543 feet. How long will it take for an object to fall to the ground ground from the top. Use formula d=16t^2
*May 21, 2016*

**mathematics **

If 45 percent of the students of a class have offered mathematics and 85 percent of them biology, find the percentage of students who offered biology only?
*May 21, 2016*

**math - analytic geometry**

the sum of the distances of p(x,y) from (0 -3) and (0 3) is equal to 10.
*May 21, 2016*

**analytic geometry**

the sum of the distances of p(x) from (0 -3) and (0 3) is equal to 10.
*May 21, 2016*

**Pharmacy (Specific gravity of mixtures)**

Thank you for your help. The answer in the textbook is 1031.38 mL propylene glycol. There is no detailed explanation in the textbook on how to get to the answer. Also, 1 pint = 473 mL.
*May 20, 2016*

**Pharmacy (Specific gravity of mixtures)**

If a pharmacist mixed 1 pint of propylene glycol having a specific gravity of 1.20 with 500 mL of water, how many milliliters additional propylene glycol should be added to change the specific gravity to 1.15? Please help with how to do this problem. I've tried many ...
*May 20, 2016*

**URGENT HELP**

For first question make a FBD diagram and then solve components. For the second question remember the basics F= kq1q2/(r)^2
*May 20, 2016*

**HELP ME ! DESPRATE MATH STUDENT !!**

5) Answer is A 3(-3)-4 -9+-4 = -13 (Remember to switch the signs when subtracting negative numbers)
*May 20, 2016*

**physics**

The displacement vector has scalar components of Ax = 80.0 m and Ay = 60.0 m. The displacement vector has a scalar component of Bx = 60.0 m and a magnitude of B = 75.0 m. The displacement vector has a magnitude of C = 100.0 m and is directed at an angle of 36.9° above the...
*May 20, 2016*

**physics**

Also, what is the velocity of the boulder as it hits the ground?
*May 20, 2016*

**physics**

A boulder with a mass of 48.3kg is sitting on the top of a 11.8m tall cliff, and the boulder falls off of the cliff. At what height above the ground is the boulder when it reaches a velocity of 6.40m/s? I found that the kinetic energy of the boulder before it falls off is 5585...
*May 20, 2016*

**physics**

A truck with a mass of 2.00x10^3 kg is coasting along a straight level road at 250.0 m/s. It comes to rest in 300.0m. How much work is done by friction in bring the truck to a stop?
*May 20, 2016*

**SS**

"Contrary to the vulgar belief that men are motivated primarily by materialistic considerations, we now see the capitalist system being discredited and destroyed all over the world, even though this system has given men the greatest material comforts." - Ayn Rand I&#...
*May 20, 2016*

**Life orientation**

ndiyi don't know
*May 20, 2016*

**Life orientation**

ndiyi don't know
*May 20, 2016*

**Math PLZ HELP**

solve for y x=(3-4y)^2 I've been stuck on this stupid question anyone? ._.
*May 20, 2016*

**PLEASE HELP ME ! I WILL GO NUTZ IF I DONT GET ANSR**

I think A: 1/6 B. 44/300 Because theoretically the probability of you rolling a 5 are 1 in 6 and experimental is that 5 did come up 44 times out of the 300 times rolled
*May 20, 2016*

**History**

What is the most likely explanation for why the Shang had little interaction with non-Chinese cultures? They were unable to travel upon the Yellow River. They were surrounded by higher plains and mountains to the north and west.******** They were not aware of the other ...
*May 20, 2016*

**GEOGRAPHY**

What is plains?
*May 20, 2016*

**Math**

That's why i posted link?
*May 20, 2016*

**Math**

Choices Are 7.5 15.0 21.0 24.0 I chose 15.0
*May 20, 2016*

**Math**

Carol is going to make a wooden pyramid and then paint it. She drew the net of a square pyramid as shown below to help her plan the project. What should be the total surface area in square feet of Carol's wooden pyramid? Here is The Picture --> imgur(.)com(/)gRHtUQs ...
*May 20, 2016*

**Social Studies**

That's correct! Nice job :3
*May 20, 2016*

**Spanish (Check)**

Whatever -.-
*May 20, 2016*

**Spanish (Check)**

1. Which item is not found at la joyería? (1 point) el anillo la corbata*** la pulsera elreloj pulsera 2. Which kind ofshop sells only discounted items? (1 point) el almacén la joyería la zapatería la tienda de descuentos*** 3. Which Spanish ...
*May 20, 2016*

**World History**

Thank You so much
*May 20, 2016*

**World History**

1.Because Romans conquered many new lands, it allowed them to...? 2.How were children treated differently from slaves in the Roman Republic? 3Following the Pax Romano, many emperors were ? 4. How did Nerva affect the Roman Empire? Please point me in the right direction. I am ...
*May 20, 2016*

**Social Studies**

"Communism is over in Russia. Democracy will always prevail in the end." How does this statement most reflect a particular bias? It shows a prejudice against communism. It shows support for democratic ideals.*** It makes a prediction. It cites historical events.
*May 20, 2016*

**science(chemistry)**

evaluate the physical, social and economic consequences of this crime to the offender. How did this corruption and fraud impact negatively in the country: for example service delivery, tax, expense of trial, etc.
*May 20, 2016*

**science(chemistry)**

How is ethanol after 1 minutes of evaporation
*May 20, 2016*

**math**

A rectangular prism has length x+2, width x+1, height 4, and volume 24. find the length and the width?
*May 20, 2016*

**Math/dilution**

A powder concentrate contains 2% w/w of active ingredient. What would be the percentage concentration (w/v) of the resultant solution after a 5-g packet of powder is dissolved in enough water to make 1 quart of solution?
*May 20, 2016*

**MAth**

Solve 0.9x-3.6=3 for x, round to two decimal places
*May 20, 2016*

**Social Studies**

"Communism is over in Russia. Democracy will always prevail in the end." How does this statement most reflect a particular bias? It shows a prejudice against communism. It shows support for democratic ideals.*** It makes a prediction. It cites historical events.
*May 19, 2016*

**Pre-Calculus**

A drug is administered every 6 hours. The kidneys eliminate 55% of the drug over that period. The initial dose is 210 mg. Repeated dosage is 70 mg What is the “Difference equation”? Find the first seven terms of the of the solution sequence. Round to two digits each ...
*May 19, 2016*

**Pre-Calculus**

A drug is administered every 6 hours. The kidneys eliminate 55% of the drug over that period. The initial dose is 210 mg. Repeated dosage is 70 mg What is the “Difference equation”? Find the first seven terms of the of the solution sequence. Round to two digits each ...
*May 19, 2016*

**Social Studies**

How does the geography of Eastern Europe most affect farming in the region? Farms in the North have harsh winters, and farms in the South have mountains to deal with.*** Farms in the South have harsh winters, and farms in the North have longer growing seasons. Farms in the ...
*May 19, 2016*

**Social Studies**

A journalist in Russia wants to write about the deadly pollution in Russian factories. The writer has proof and sources but decides not to proceed with the piece. What is the most likely reason that the writer chose not to write the article? She gets a different job She ...
*May 19, 2016*

**Social Studies**

Would it be D.?
*May 19, 2016*

**Social Studies**

You are a small business owner in Russia. You must pay bribes and protection fees to officials and the Russian mafia. Which circumstance is the most likely consequence? A) You hire more employees.** B)You limit your business growth. C)You keep up on your rent payments. D)You ...
*May 19, 2016*

**Social Studies**

How has censorship affected democratic growth in Russia? A) The freedom of speech granted in the constitution has been repressed** B) Private business has become government owned C) News stories are being reported accurately D) Corruption of business and politics has declined
*May 19, 2016*

**Algebra**

She has 1000 bushels of corn to sell. Presently the market price is $5.00 bushel. She expects market price to increase .15 a week. For each week she wants to sell,she loses 10 bushels to spoilage. Determine a function to express her total income from selling the corn.
*May 19, 2016*

**Social Studies**

What actions did Putin take to help the Russian economy? reforms to banking reforms to labor laws reforms to private property all of the above**
*May 19, 2016*

**math**

This is a question about scaling. The scale drawing is 10 inches long and 6 inches tall. Draw a figure to help you visualize the problem. The actual flag is 3 feet or 36 inches tall. The scaled drawing is 1/6 the size of the actual flag. The actual flag is 36 inches tall and ...
*May 19, 2016*

**Social Studies**

Which of the following was a focus of production for Stalin’s Five-Year plans? Clothing Food Production Housing Equipment**
*May 19, 2016*

**World History**

How did distance from Rome likely affect people in the Roman Empire? Rome had less political control over people in distant provinces. Rome sent better goods and supplies to its far territories. People further from Rome had lower social status. People closer to Rome were more ...
*May 19, 2016*

**Algebra**

Translate the following phrase into an algebraic expression. Do not simplify. y divided by the product of 4 and x
*May 19, 2016*

**Trig**

If sin(theta) = 3/7, what is sin (pi/2 - theta)?
*May 19, 2016*

**math**

Kisha has five different marbles. How many different ways can she place the marbles into two bags so that at least one marble is in each bag?
*May 19, 2016*

**math**

the tail is 6 ft
*May 19, 2016*

**math**

X = 6 FT
*May 19, 2016*

**math**

A kite and its tail total 36 ft in length. The tail is five times the length of the body. How long is the kite's tail?
*May 19, 2016*

**math**

It is 51?
*May 19, 2016*

**math**

I got 51.25 do I round
*May 19, 2016*

**math**

A room has a floor area of 1025 ft^2 and a 10 ft high ceiling. Occupancy guidelines recommend at least 200 ft^3 per person. What is the maximum number of people allowed in the room?
*May 19, 2016*

**Anthropology **

Suppose two populations come into contact. As organisms will do, they find some attractive members of the opposite sex and interbreed. The populations have now exchanged genes. The next generation produces several children with new traits. What evolutionary force is at work ...
*May 19, 2016*

**life oriantation**

Six organisations in which they address rights violatio
*May 19, 2016*

**English**

What was the answer
*May 19, 2016*

**Please answer these questions Algebra 1**

actually just answer 18 and 19
*May 19, 2016*

**Please answer these questions Algebra 1**

Please answer
*May 19, 2016*

** Please answer these questions Algebra 1 **

16. Use the quadratic formula to solve the equation. 〖5x〗^2 - 47x = 156 18. What are the solutions to the equation x2 – 4x = -1? 19. Graph the set of points. Which model is most appropriate for the set of numbers? (1,3), (0,0), (-3,3), (-1,-1), (-2,0)
*May 19, 2016*

**L.o**

Four factors that could threaten or limit the core function of the media
*May 19, 2016*

**ELA PLEASE CHECK ANSWERS!**

The answers were wrong
*May 19, 2016*

**ELA PLEASE CHECK ANSWERS!**

I had these yesterday but, I didn't answer them. Have you finished them?
*May 19, 2016*

**Music help **

how many sixteenth notes equal four eighth notes? two four six eight
*May 19, 2016*

**World History**

Thank You
*May 19, 2016*

**World History**

The emperor Marcus Aurelius was a follower of Stoicism. What did stoics teach?
*May 19, 2016*

**Science**

Rocks are collections of __________ .
*May 19, 2016*

**chemistry**

what is the temperature of a gas at 88 torr, if at 60 kPa the temperature is -73 degrees C?
*May 19, 2016*

**MATH**

$40?
*May 18, 2016*

**MATH**

You just paid $42.40 including tax, for your cousin's birthday present. Sales tax is 6%. What is the retail price of the gift?
*May 18, 2016*

**math**

Five bacteria are placed in a dish and then counted each hour. The first three bacteria counts were 12, 26, 54. If the pattern continues, how many hours after the bacteria were placed in the dish will there be 222 bacteria?
*May 18, 2016*

**math**

The perimeter of a right triangle is 24 inch. Find the dimensions of the triangle if the sides are all whole number lengths.
*May 18, 2016*

**MATH**

A rectangular prism has length x+2 width x+1, height of 4, and a volume of 24. Find the length and width.
*May 18, 2016*

**math**

A rectangle has length (x-3) cm and width 4 cm. The perimeter of the rectangle is 40 cm. Find the length.
*May 18, 2016*

**politics**

You are the government of your country how will develop your country
*May 18, 2016*

**Science**

yes
*May 18, 2016*

**Science**

From Newton's second law (F=ma): a = F/m = 189 N/30 kg = 6.0 m/s2 acceleration=force/mass use it u ll get acceleration on the planet
*May 18, 2016*

**English**

your welcome
*May 18, 2016*

**English**

B is correct: It exaggerates Orpheus’ beautiful music so that readers understand how powerful an effect Orpheus's music has.
*May 18, 2016*

**Social Studies**

thank you so much ms.sue
*May 18, 2016*

**Social Studies**

5. Which of the following statements is true? A.The Industrial Revolution inspired the Dutch rebellion. B.The Enlightenment inspired the French Revolution. C.The English Civil War inspired the Dutch rebellion. D.The Scientific Revolution inspired the English Civil War.
*May 18, 2016*

**Social Studies**

b. for number 2
*May 18, 2016*

**Social Studies**

Which Renaissance scientist first proposed the heliocentric theory? A.Francis Bacon B.Nicolaus Copernicus C.Galileo Galilei D.Isaac Newton
*May 18, 2016*

**Social Studies**

A. is right?
*May 18, 2016*

**Social Studies**

a.Thomas Hobbes B.John Locke C.Jean-Jacques Rousseau D.Voltaire
*May 18, 2016*

**Social Studies**

Which Enlightenment thinker taught that life is “brutish,” and societies need strong rulers?
*May 18, 2016*