Wednesday

May 4, 2016
Total # Posts: 96,147

**Math**

Two trains are both traveling at a constant speed toward each other on neighboring tracks. The trains are 252 miles apart when they start traveling. They pass each other 4 1/2 hours later. One of the trains is traveling 25 3/4 miles per hour. What is the speed of the other ...
*March 17, 2016*

**mAth**

Thank you so much. I was confused about this one.
*March 17, 2016*

**mAth**

A number was subtracted by 2.6 and that difference was then divided by 0.3 After which the quotient was multiplied by 3. This product was -48. What was the number?
*March 17, 2016*

**Meteorology**

On a clear and calm day, the air temperature at sunrise is 5 °C (41 °F) with a relative humidity of 90%. The air temperature reaches a maximum of 15 °C (59 °F) at 3 p.m. Assuming that no water vapor is added to or removed from the air, predict the value of the ...
*March 17, 2016*

**biology assignment**

Yes
*March 17, 2016*

**history**

so the second one is b?
*March 17, 2016*

**history **

With over eight million people, New York City is the most heavily populated city in the U.S. Between 1800 and 1900, the population of New York increased from about 80,000 to over three million people. In the years after the Civil War, the population of New York City tripled. ...
*March 17, 2016*

**physics**

Two blocks are sliding along a frictionless track. Block A (mass 3.73 kg) is moving to the right at 1.50 m/s. Block B (mass 4.48 kg) is moving to the left at 1.80 m/s. Assume the system to be both Block A and Block B. a) what is the total momentum of the system before the ...
*March 17, 2016*

**Physics**

a person falls flat on their back on some slipper ice and is unconscious for a second. the horizontal position of their legs, torso and head from their feet is given by 0.48m, 1.35m and 1.7m respectively and their weights are 30kg, 50kg and 10kg. they try to sit up on the ice ...
*March 17, 2016*

**physics**

you are trying to balance a tray of dishes to make it easy to carry. at one end of the 0.6m tray are four plates with total mass 0.5 kg with their centres of mass exactly above the left edge of the tray. how far from the left edge should you place 2.1 kg jug of milk so that ...
*March 17, 2016*

**Physics**

a 24 gramme bullet travelling at 198m/s buries itself in a 6.5kg pendulum hanging on a 2.2 m length of string, which makes the pendulum swing in an arc. determine the horizontal component of the displacement of the pendulum.
*March 17, 2016*

**History**

2. The new boundary line set by the Adams-Onis Treaty had which of these affects? a) It created a system of dual governance in Florida. b) It represented the completion of Manifest Destiny. c) It began the decline of Spain's New World empire. d) It allowed the United ...
*March 17, 2016*

**Physics**

Three wires lie in a plane, placed parallel to one another and equally spaced by 0.20 m. If the wires are oriented up and down on the page, the right-hand wire carries 100 A to the top, the middle wire 300 A to the bottom, and the left-hand wire carries 200 A to the top. What ...
*March 17, 2016*

**Physics**

A very thin, infinitely long metal sheet lies in the xy-plane, between x = -w and x = w. A current of density h A/m flows in the +y-direction. What are the magnitude and direction of the magnetic field at a distance z « w above and below the sheet? Neglect end effects.
*March 17, 2016*

**physics**

Suppose the coefficient of static friction between the road and the tires on a car is 0.749 and the car has no negative lift. What speed will put the car on the verge of sliding as it rounds a level curve of 31.7 m radius?
*March 17, 2016*

**maths**

ok got it
*March 17, 2016*

**maths**

may be 1
*March 17, 2016*

**Accounting**

Use the following information to complete the partial worksheet for Bill’s Company. Record the appropriate adjusting entries using the data below and extend the balances over to the adjusted trial balance columns. Merchandise inventory—ending $10 Store supplies on ...
*March 17, 2016*

**math**

Suppose a vector v has initial point (4, -3) and terminal point (8, -1). Find the magnitude of v
*March 17, 2016*

**Physics**

A 68.2 kg person jumps from rest off a 2.90 m-high tower straight down into the water. Neglect air resistance during the descent. She comes to rest 1.06 m under the surface of the water. Determine the magnitude of the average force that the water exerts on the diver. This ...
*March 16, 2016*

**Integral calculus**

find the work required to pull up the anchor if the cable weighs 20 lb/ft in water
*March 16, 2016*

**Integral calculus**

find the work required to pull up the anchor if the cable weighs 20 lb/ft in water
*March 16, 2016*

**physics**

A basketball player makes a jump shot. The 0.593 kg ball is released at a height of 1.95 m above the floor with a speed of 7.12 m/s. The ball goes through the net 3.10 m above the floor at a speed of 4.08 m/s. What is the work done on the ball by air resistance, a ...
*March 16, 2016*

**Physics**

Using energy considerations and assuming negligible air resistance, find the speed of a rock just before it hits the water if it is thrown from a bridge 20.2 m above water with an initial speed of 13.4 m/s? (Verify that the speed is independent of the direction the rock is ...
*March 16, 2016*

**Physics**

On a frozen pond, a 11.7 kg sled is given a kick that imparts to it an initial speed of v0 = 2.01 m/s. The coefficient of kinetic friction between sled and ice is μk = 0.111. Use the work kinetic energy theorem to find the distance the sled moves before coming to rest.
*March 16, 2016*

**Math**

The price for a shirt went down 2 dollars each day for 3 days what integer represents overall change in price?
*March 16, 2016*

**algebra**

A garden has the shape of a right triangle with one leg 8 meters longer than the other. The hypotenuse is 8 meters less than twice the length of the shorter leg. What is the length of the shorter leg?
*March 16, 2016*

**Math**

9 friends share 12 pounds of pecans equals how many pounds of pecans does each friend get? Please answer soon! :-) :-( :-(
*March 16, 2016*

**math functio. rules**

Which set of x and y values reprsent a function ?
*March 16, 2016*

**math**

The base area of a prism is 140 square feet. Its height is 6 feet. What is the volume of the prism? A. 280 ft^3 B. 840 ft^3 C. 420 ft^3 D. 146 ft^3
*March 16, 2016*

**Math**

A farmer had 250 ducks and 150 chickens. He gave a total of 100 chickens to his sister. Later, the farmer bought 5 more ducks and 35 chickens. As a result, the number of ducks decreased by 10% and the number of chickens increased by 20%. A) How many ducks did the farmer give ...
*March 16, 2016*

**Math**

3/5 of the seats in a concert hall were occupied. The ratio of adults to children was 6:4. If 60 more adults attended the concert, the number of adults would be 3 times the number of children. How many seats were in the concert hall?
*March 16, 2016*

**Math**

Oh ok. Thanks.
*March 16, 2016*

**Math**

The ratio of guppies to angelfish in the shop was 2:5. The number of angelfish was 2/3 the number of goldfish. The shopkeeper decides to replace 1/2 of the guppies with some angelfish. The number of angelfish she added was equal to the number of guppies she replaced. There ...
*March 16, 2016*

**biology**

Muscle tissue that is under voluntary control and contains cells with many nuclei is cardiac. skeletal. smooth. cartilage. squamous.
*March 16, 2016*

**Geography**

Which country could use the Crimea situation to their advantage in their own dispute situations?
*March 16, 2016*

**Biology**

Which tissue type forms glands? connective epithelial muscle nervous glandular help? hard
*March 16, 2016*

**physics**

A concave spherical mirror forms an inverted image different in size from the object by a factor a > 1. The distance between object and image is d. Find the focal length of the mirror. (Use any variable or symbol stated above as necessary.) (b) Suppose the mirror is convex...
*March 16, 2016*

**Math**

make it into a song
*March 16, 2016*

**Math**

Ask her to say 12345 and then stop and tell her to write it on a piece of paper if she can. then tell her to say 678910 then put that on a piece of paper to see if she can identify it IF THAT DOES NOT HELP LET ME KNOW HOW MUCH MORE HELP SHE NEEDS AND HOW OLD SHE IS.
*March 16, 2016*

**Social Studies**

in which of the following ways are japan and south korea similar
*March 16, 2016*

**Math**

I give out 16 family questioners and would need more than half of that number back? What would the correct number I need back?
*March 16, 2016*

**Math**

I give out 16 family questions and would more than half of that number? What would the correct number I need back?
*March 16, 2016*

**Math**

what
*March 16, 2016*

**Math**

What is more than half of 16?
*March 16, 2016*

**algebra**

what is the slope-intercept form of y+9=3/5(x+7)
*March 16, 2016*

**achieving academic excellence**

Achieving Academic Excellence involves :
*March 16, 2016*

**Health**

what was the answer?
*March 16, 2016*

**Math**

I believe "less than" means inequality not subtraction.
*March 16, 2016*

**Physics**

The force between two identical charges separated by 1 cm is equal to 90 N. What is the magnitude of the two charges?
*March 16, 2016*

**amx**

which question would best help you write a report regarding the changes to the political system during jackson's presidency jishka
*March 16, 2016*

**Algebra**

If M<6 if m<1= 43 degrees
*March 15, 2016*

**Economics**

How do interest rates in a nation affect foreign investment in that nation
*March 15, 2016*

**Economics**

Who is concerned with exchange rates?
*March 15, 2016*

**Math**

Neither. Each number in the sequence is obtained by adding 1,2,3,4. So, 2 + 1 = 3 3 + 2 = 5 5 + 3 = 8 8 + 4 = 12
*March 15, 2016*

**Math**

Suppose you are interested in determining the probability that a college student will own a personal computer. You poll 8 of your classmates from randomly selected classes and find that 5 of them own their own computers. Find a 90% confidence interval estimate for the ...
*March 15, 2016*

**maths**

the ratio of the area of two rectangles fied is 25/9 (a)find the ratio of their length (b)the small field is 20m long find the corresponding lenth of the larger cone
*March 15, 2016*

**Pre-Calc**

Write the equation in standard form of the circle which passes through (-2, 16) and has x-intercepts -2 and -32.
*March 15, 2016*

**physics**

the temperature of 500g of a certain metal is raised to 100 degre celcius and it is then placed in 200g of water at 15 degre celcius.if the final steady temperature raises to 21 degre celcius,calculate the specific heat capacity of the metal
*March 15, 2016*

**calculus**

water is pouring into a conical cistern at the rate of 8 m^3/minute. If the height of the inverted cone is 12 meters and the radius of its circular opening is 6 meters, how fast is the water level rising when the water is 4 meters depth?
*March 14, 2016*

**calculus**

The surface area of a sphere initially zero increases uniformly at the rate of 26 cm^2/seconds. Find the rate at which the radius is increasing at the end of 2 seconds.
*March 14, 2016*

**Unscramble**

Can you unscramble these, ymrpitahl help!
*March 14, 2016*

**AP Physics**

nvm i found the answer The equation is F = (G X M1 x M2) divided by d^2 (6.67E-11 x 4.87E24 x 5.97E24) / (4.2E10)^2 = 1.1 E18 N
*March 14, 2016*

**AP Physics**

At their closest approach, Venus and Earth are 4.2x10^10m apart. The mass of Venus is 4.87x10^24kg, the mass of Earth is 5.97x10^24kg, and G=6.67x10^-11Nm2/kg2. What is the force exerted by Venus on Earth at that point?
*March 14, 2016*

**math**

Luis draws 1 card from a deck, 39 times. Predict how many times he draws an ace. John and O'Neal are playing a board game in which they roll two number cubes. John needs to get a sum of 8 on the number cubes to win. O'Neal needs a sum of 11, if they take turns rolling ...
*March 14, 2016*

**math**

Eben rolls two standard number cubes 36 times. Predict how many times he will roll a sum of 4.
*March 14, 2016*

**Chemistry **

Why does a compound with a high vapor pressure boil at a lower temperature than a compound with a lower vapor pressure?
*March 14, 2016*

**math**

Syntax error from line 1 column 53 to line 1 column 60. Unexpected '0'. expressed as the quotient of two integers in simplest form? I don't know?
*March 14, 2016*

**biology**

1.intermediate waters is caused by? 2.deep water currents are important because? 3. water that sinks are? 4.water that rises are?
*March 14, 2016*

**math**

you need 2 gallons of paint to paint a mural. you already have 3/8 gallon yellow paint and 1/4 blue paint
*March 14, 2016*

**math**

In a fruit salad,12 strawberries are used for every 5 peaches. Flora uses 85 of these fruits altogether to make a large fruit salad. How many strawberries does she use?
*March 14, 2016*

**intro to computers**

Which logging category does not appear in Event Viewer by default?
*March 14, 2016*

**Biology**

Number of ATP by oxidative phosphorylation from a 24 carbon fatty acid? I have 96 because fatty acids go to CoA (2ATP) and the Krebs (22ATP). Glucose has 6C and so you add 2+22ATP and multiply by 4 to get 96. Is this right? If not, how do I figure this out?
*March 14, 2016*

**accounting,economics, mathematics,business studies**

Identity three courses or study field you are interested in following after grade 12
*March 14, 2016*

**Biology**

How much ATP energy would you get from a tripeptide that, upon hydrolysis and deamination, makes two acetyl CoA and one pyruvate molecule and undergo aerobic respiration?
*March 14, 2016*

**mATH**

Brittany is checking whether the pool she wants to buy will fit in her backyard. The pool with the patio measures 4 m by 5 m. Refer to the diagram below. a) Write an algebraic expression, in factored form, for the shaded area. b) When Brittany measures her yard, she notices ...
*March 14, 2016*

**math**

lol need help with st. gabes stuff?
*March 14, 2016*

**math**

Jorge has prepared his science project on a piece of poster board that has an area represented by the trinomial x2 + 5x – 50. a) What are the dimensions of the board? b) Write an expression for the perimeter of the board. c) What is the actual perimeter of the board if x...
*March 14, 2016*

**science**

A balloon filled with 3.5 L of helium at 20 °C and 3 atm. What will be the new pressure if its volume increases to 17.5 L at constant temperature?
*March 13, 2016*

**Economics**

Explain discretionary fiscal policy and automatic fiscal policy (automatic stabilizers).
*March 13, 2016*

**Math**

At the airport, Person A and Person B are walking at the same speed to catch their flight, but Person B decides to step onto the moving sidewalk, while Person A continues to walk on the stationary sidewalk. If the sidewalk moves at 1 meter per ...
*March 13, 2016*

**managerial economics **

calculating empirical production function Dimex Fabrication Co
*March 13, 2016*

**Algebra**

Suppose that Y varies directly with X, and Y=4 when X=16 (a) Write a direct variation equation that relates X and Y (b) Find Y when X=3
*March 13, 2016*

**Trig**

I double checked my math, and you're right. For part b, they gave the same diagram except for angle A it's α instead of 40° and angle B is β.
*March 13, 2016*

**Trig**

I have a diagram of how far a discus was thrown. From A to B is 100m, C is perpendicular to A, from A to C is 50m, A and B are connected to D (it should be a triangle), A has a 40° angle and B has a 75° angle. C is not perpendicular to D btw.. a. Find AD and use it to ...
*March 13, 2016*

**Math**

GGG
*March 13, 2016*

**Physics**

If the length of pendulum is 0.8+/-0.01m and time peroid is 2.5+/-0.012 sec. Then percentage error in acceleration due to gravity will be
*March 13, 2016*

**physics**

The threshold wavelength for photoelectric emission in metal is 600 nm.Find the maximum kinetic energy of the electrons emitted when it is exposed to the wavelength 200 nm
*March 13, 2016*

**Asthana**

CH3-CH-CH3 | 2methyl propane CH3
*March 13, 2016*

**chemistry**

When aqueous solutions of chromium(III) bromide and potassium phosphate are combined, solid chromium(III) phosphate and a solution of potassium bromide are formed. The net ionic equation for this reaction is:
*March 13, 2016*

**Science**

Let M1=12M and M2= 1M then Let V1=1oo ml and V2=? .: by using the formula M1V1=M2V2 we get V2=M1V1/M2 therefore. V2=12*100/ 1 then V2=1200ml
*March 13, 2016*

**Agricultural Sciemces**

Pasture or veld
*March 13, 2016*

**Agricultural Sciemces**

Determine the size of the pasture by measuring its approximate length and width.One large step is approxinately one metre.
*March 13, 2016*

**chemistry inorganic**

Potassium tetraoxalate has the formula H2C2O4.KHC2O4.xH2O. 1.923 g of the above compound was neutralized by 22.7 mL of 1.000 M NaOH using phenolphthalein as the indicator. Calculate the value of x in the formula.
*March 13, 2016*

**ALGEBRA**

DETERMINE WHETHER (6,-2) IS A SOLUTION OF Y=-2/3X
*March 13, 2016*

**chemistry**

what volume of .1 M solution of NaOH is required to precipitate all of the nickel 2+ ions from 250 mL of a .273 M solution of nickel (II) nitrate?
*March 12, 2016*

**criminal justice**

which of the following is not an advantage of probation
*March 12, 2016*

**Spanish**

Thanks.
*March 12, 2016*

**Spanish**

In Spanish, when do you use upside down exclamation points and question marks? Do you use it for EVERY question or EVERY statement involving an exclamation mark? Or do you use it for only certain questions
*March 12, 2016*