Wednesday
May 4, 2016

# Posts by anonymous

Total # Posts: 96,175

Math
What is the probability of selecting a red card from a standard deck of 52 playing cardships that does not contain a joker?
March 18, 2016

Math
In three more years, Miguel's grandfather will be six times as old as Miguel was. Last year, when Miguel's present age is added to his grandfather's present age the total is 68. How old is Miguel and his grandfather now? Miguel = 11 and his grandfather = 57 57 + 11...
March 18, 2016

Pre algebra
March 18, 2016

Pre algebra
The perimeter of a rectangle is 10 m. Twice the width is equal to one- half the length. Find the length and the width.
March 18, 2016

Maths
Solve the following equations for -180《 x《 180 A) 4+4cosx=sin^2x B) 2sin=5cosx Thankyou
March 18, 2016

Maths
Solve the following equations for 0《X《360 A) tan^2x + 3 tax -4 = 0 B) 2sin^2x - sinx-1 = 0 Please help Thankyou
March 18, 2016

physics
a person, with his ears to the ground, seconds a huge stone strike the concrete pavement. a moment later two sounds are heard from the impact, one travels in the air and other in the concrete, and they are 0.80 seconds apart. How far away the impact occur?
March 18, 2016

chemistry
if we did this experiment in a refrigerator (4 C) would you expect that the volume of collected gas be greater than or less than the volume of gas you collected today at room temperature?
March 18, 2016

chemestry
if we did this experiment in a refrigerator (4 C) would you expect that the volume of collected gas be greater than or less than the volume of gas you collected today at room temperature?
March 18, 2016

Math
12240 what do you do next
March 17, 2016

Math
A new car typically loses 20% of its initial value during the first year. During the second year, the car loses 15% of its value after the first year. Find the value of the car(\$18,000) after the first year and after the second year.
March 17, 2016

Math
Sandra sold half of her comic books and then bought seven more. She now has eleven. How many did she begin with?
March 17, 2016

math
A spinner is divided into 12 equal sections where 5 of the sections are red, 3 are blue, 2 are orange, and 2 are green. What are the frequencies of each color if you spend the spinner 60 times?
March 17, 2016

Math
A fence forms a rectangle and uses 64 meters of fencing. If the width of the enclosed area is 13 yards, what is the length in inches?
March 17, 2016

Math
Shawn earns \$3.50 per hour for the first 40 hours worked in a week and \$20.25 per week, for hours over 40. If he earns \$661.50 in one week, how many hours did he work?
March 17, 2016

Math
Ok! I got 30 1/4 miles. I turned 121/4 into a mixed number = 30 1/4. I appreciate the help ☻
March 17, 2016

Math
If the combined speed is 56 mile per hour what do I do next?
March 17, 2016

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
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

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 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

March 16, 2016

Health
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

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