Monday
May 2, 2016

Posts by anonymous

Total # Posts: 96,062

English
Please help if I did right! Thanks. Whose brilliant idea was this anyway?" Sarah asked." If people were intended to sleep on the ground and cook over a fire, we wouldn't have beds and microwave ovens." "Stop complaining," Emily said." At ...
May 2, 2016

milam middle school
A drawer contains a blue shirt, a black shirt, and a white shirt. Another drawer contains a blue pair of pants and a black pair of pants. one shirt and one pair of pants are chosen at random. How many different possible outcomes are there?
May 2, 2016

Chemistry
Usinf your periodic table, Indicate whether each other following substances could act as an oxidizing agent (OA), a reducing agent (RA) or both (OA/RA): (A.) Ba2+ (aq) So I think it should be reduction because it gained 2 electrons? (B.) Co2+ (aq) : RA (C.) Se(s) : (D.) Cs(s...
May 2, 2016

Math
Val Measures the diameter of a ball as 12 inches. How many cubic inches of air does this ball hold, to the nearest tenth? Use 3.14 for Pi
May 2, 2016

math
While exploring for oil, it was necessary to carry at least 18tones of supplies and 80 people into a desert region. Two types of vehicles are available :landmaster and sandrovers. Each landmaster could carry 900kg of supplies and 6 people. Each sandrover could carry 1350kg of ...
May 2, 2016

pre-cal
a page that x inches wide & y inches high contains 26 square inches of print. the margins on the top & bottom are 1.5 inches deep and the margins in the sides are 1 inches wide. a. sketch the situation above b. find the total area of the page c. find the domain based on the ...
May 2, 2016

math
Translate this sentence into an equation. The difference of Rick's age and 9 is 69 Use the variable r to represent Rick's age.
May 2, 2016

science
a constant force applied at an angle of 20 above the horizonal , pulls a 200 kg block, over a distance of 3 m, on a rough, horizontal floor. the coefficient of kinetic friction is 0.2 show that work done by the kinetic frictional force on the block can be written as Wfk = ( -...
May 2, 2016

English
what passage?
May 2, 2016

Science
In which of these situations is convection most likely the main form of heat transfer? Warm air from a heater on the first floor of a house moves to the upper floors. The sides of a metal pan become hot when the pan is placed on a stove burner. A person gets a sunburn from ...
May 2, 2016

Physics
T=2pi*sqrt[L/(g-a)] B) 3.14
May 2, 2016

physics
to go from town a to b a plane must fly about 1780km at an angle 30° west of north . how far north of A is B ?
May 2, 2016

science
A 0.1 M NaOH solution is used for holder 50, or ml of a 0.100 M solution of acetic acid. Calculate the pH of the solution after the addition of 50.0 ml of sodium hydroxide
May 2, 2016

Math
sorry I meant 0.9 and it's not 9% nor 10%
May 2, 2016

Math
Financial Mathematics why is it that a question states that a person buys a car for R122 000 and pays 10% of the cost but then the answer to it they have multiplied the amount by 0.09 which is 9%?
May 2, 2016

Physics
A 1.8 kg piece of a metal initially at a temperature of 180oC is dropped into the water with mass of 14 kg. The water is in a container made of the same metal with mass 3.6 kg. The initial temperature of the water and container is 16.0oC, and the final temperature of the ...
May 1, 2016

Math
Mrs.thomas bought a new blanket shaped like an equilateral triangle that measures 3 feet on each edge.how long should the ribbon be?
May 1, 2016

accounting
Below is budgeted production and sales information for Flushing Company for the month of December: Product XXX Product ZZZ Estimated beginning inventory 32,000 units 20,000 units Desired ending inventory 34,000 units 17,000 units Region I, anticipated sales 320,000 units 260,...
May 1, 2016

Computers
jgjjj
May 1, 2016

math
how much sugar am i using if i use 3 tablespoons and want it in teaspoons? 1/2 teaspoons = 0.16 tablespoons
May 1, 2016

Math
Potatoes are sold in 2.25 pound bag. how many whole bag must tanisha buy in order to have enough potatoes?
May 1, 2016

Exponential Modeling
The landscaper pours 200 gallons of herbicide in a pond. The herbicide degrades 10% each week. How much will be in the pond after 1 week?
May 1, 2016

Exponential Modeling
A species of beetles grows 32% every year. Suppose 100 beetles are released into a field. How many beetles will there be in 10 years?
May 1, 2016

Exponential Modeling
A can of soda in 1972 costs $0.10, by 2012 it cost $1.25. Find the rate at which the cost of a can of soda increases over this time period.
May 1, 2016

Exponential Modeling
4.25 x 75 = $318.75 Profit = $88.75
May 1, 2016

Exponential Modeling
You invest $230 to start a sandwich stand and decide to charge $4.25 per sandwich. How much money will you make if you sell 75 sandwiches?
May 1, 2016

Exponential Modeling
Wait, just realized my mistake. It's actually 18,134 is the total loss of the value of the car. 25,000 - 18,134 = 6,866 (The car's value now)
May 1, 2016

Exponential Modeling
How did you get 16,250? You probably need to recheck your answers.
May 1, 2016

Exponential Modeling
1,250 A trick I've learned is by removing 10% each time, and that's easy because all you have to do is move the number over once to the right. 25,000 -> 2,500 2,500 * 3 = 7,500 10% of 25,000 is 2,500 / 2 = 1,250 Or 5% of 25,000 7,500 + 1,250 = 8,750 8750 x 3 = 26,...
May 1, 2016

Exponential Modeling
A certain vehicle loses 35% of its value each year. Compute the value of the vehicle at the end of the 3rd year if the car has an initial value of $25,000
May 1, 2016

Language Arts
Thanks Ms. Sue, that was very quick too. :)
May 1, 2016

Language Arts
In Act II, Scene 4 of "A Christmas Carol: Scrooge and Marley", what are the two women and the man selling to Old Joe? A. items they stole from Scrooge's room after he died - (I believe it's this one.) B. items Scrooge gave them before he died C. items ...
May 1, 2016

Bio
The differences between two molecules include the type of sugar that forms a section of the molecules and the identity of one of the four nitrogenous bases that make up another section of the molecules. These two molecules are A. proteins B. lipids C nucleic acides D. complex ...
May 1, 2016

Bio
How is information for a specific protein carried on the DNA molecule? A. As a sequence of nucleotides B. In the double helix shape of the condensed chromosome C.In the ratio of adenines to thymines D.As a pattern of phosphates and sugars A C D are all statements that make ...
May 1, 2016

Life orientation
Assess the extent to which bad road use has a direct impact on the physical,emotional,social and economic aspects to the family,the community and the country
May 1, 2016

Bio
Does diffusion and osmosis move from high to low concentration?
May 1, 2016

Geometry ( helllppp pleaaassse )
A point on the ceiling of a room is 12ft. from each of the vertices of a triangle on the floor whose legs are 6ft. A and 8ft. respectively. find the length of the ceiling. 2. With a 12ft. pole marked in feet, how can one determine the foot of the perpendicular let fall to the...
May 1, 2016

algebra tricky q
Clem Colfax had $10 to buy groceries. He needed milk at 70 cents a carton, bread at 60 cents a loaf, breakfast cereal at 50 cents a box, and meat at $1.50 a pound. He bought twice as many cartons of milk as loaves of bread, the number of boxes of cereal was one more than the ...
May 1, 2016

algebra
Graph the direct variation y=−1.5x. Using the graph, find: Reference b The value of x when y=−3; 4.5; 6
May 1, 2016

Exponential Modeling
The half-life of a radioactive substance is one day, meaning that every day half of the substance has decayed. Suppose you have 100 grams of this substance. How many grams of the substance would be left after a week?
May 1, 2016

Physics
An engine works between the two temperatures 200 C and 120 C. Calculate its efficiency in percentage?
May 1, 2016

Math
The sum of the first three terms is 24 and the sum of the next three terms is 51. Find the first term and the common difference
May 1, 2016

Dissociation Equations Answer Check
1. Write the equation for the dissolution of potassium iodide in water. KI(s) + H20 --> K+ (aq) + I- (aq) 2. Write the equation for the dissolution of magnesium bromide in water. MgBr2(s) + H20 --> Mg2+ (aq) + 2Br- (aq)
May 1, 2016

chemistry
how do i figure out grams/tablet if I am in units of mol/L? >_>
April 30, 2016

chem
uhh whoah not 150 lol I calculated 1.67g per 30 mLs, but i'd like some verification :)
April 30, 2016

chem
176.12 g/ mol I meant to write
April 30, 2016

chem
0.283 M solution X 176.12 g = 50 g/L how many g per 30 mL? 150?
April 30, 2016

Geography
If functions of a city or town _____ in number of importance it will grow in ____ if they decrease the population will _____ I can't find where this is stated anywhere in the powerpoint I was given to look at
April 30, 2016

Geography
State where would these take place (rural or urban) Cottage industry-Rural Commercial industry-urban
April 30, 2016

math
Lets look at a sample 4/8 reduced by 50% 2/8 reduce den by 25% 2/2 = 1 4/8 is 1/2 so compare it to 1 it is doubled. 1/2 divided by 1/4 = 1/2 x 4 = 2
April 30, 2016

math
By what percent will a fraction decrease if its numerator is decreased by 50% and its denominator is decreased by 25%?
April 30, 2016

math
Median is the middle range is largest- smallest 5 is the range so 1/2 is below and 1/2 is above 4 1/2 ----7------9 1/2 so. it cannot b 1
April 30, 2016

maths
The sum of 2 number is 103 .If one number is 37 . Find the other number
April 30, 2016

HEALTH PLZ HELP
thx a lot Reed you have helped me and i got 0/15 on it! THX!
April 30, 2016

Life orientation grade 12
Pls HELP Me the impact of corruption and fraud
April 30, 2016

Math
A number is selected from 5 t0 14 inclusive.what is the probability that it is either an even number or a factor of 40
April 30, 2016

rio claro west secondar
[0.4] to the power 2 multiply by 3.7
April 30, 2016

math
i don't think that is the right answer
April 30, 2016

math
Stock worth $60 a share dropped in value by 20% on Monday, then, again by $10 the next Tuesday and, finally, increased by 55% the following Friday. What was the final price of a share?
April 30, 2016

math
By what percent will a fraction decrease if its numerator is decreased by 50% and its denominator is decreased by 25%?
April 30, 2016

math
the answer is incorrect
April 30, 2016

math
A store gets a bucket of eggs for $16.20 and sells a dozen eggs for $3.50. If there are 450 eggs in the bucket, by what percent has the store increased the price per dozen eggs?
April 30, 2016

math
how do you adjust the fraction?
April 30, 2016

math
If a gang of eight rob a bank, what percent of the loot belongs to three of the robbers? What percent belongs to them if two of the gang are killed? By what percent does each robber’s share increase?
April 30, 2016

math
thank you, thank you, thank you,
April 30, 2016

math
A store manager wishes to reduce the price of her fresh ground coffee by mixing two grades. If she has 50 pounds of coffee which sells for $1.20 per pound, how much coffee worth 80 cents per pound must she mix with it so that she can sell the final mixture for $1.00 per pound?
April 30, 2016

maths
For each sequence, find the next four terms 2,4,6,8...
April 30, 2016

Maths
The Gcd ofthree numbers is 10and theirL.C.M is1500 two of the numbers are 30and 60 what are the other numbers?
April 30, 2016

Solid Mensuration
one diagonal of a cyclic quadrilateral coincides with a diameter of a circle whose area is 36pi cm^2. If the other diagonal which measures 8cm meets the first diagonal at right angles, find the area of quadrilateral. Show your solutions
April 30, 2016

Solid Mensuration
How did you got your answer. I need a complete solution please.
April 30, 2016

chemistry
For the oxidation- reduction reaction equation given here, 2Na+S -> Na2S indicate how many electrons are transferred in the formation of one formula unit of produce.
April 29, 2016

Algebra
f(x)=sqrt(x+4)+sqrt(4-x) Find X and Y intercepts
April 29, 2016

Algebra
For which k will the graph of f(x)=x^2−kx+k^2 cross the x-axis twice?
April 29, 2016

History
explain how i should answer this
April 29, 2016

History
Pattern your letter like the Declaration of Independence, but be sure to write everything in your own words. In this way, you will show you understand the meaning of the declaration. In your letter, be sure to include the following: reasons for writing beliefs about government...
April 29, 2016

physics
A sled is moving at a constant speed down a surface inclined at 45.0° with the horizontal and travels 30 meters in 4 seconds. Calculate the vertical velocity of the sled at the end of 4 seconds.
April 29, 2016

physics
A sled is moving at a constant speed down a surface inclined at 45.0° with the horizontal and travels 30 meters in 4 seconds. Calculate the vertical velocity of the sled at the end of 4 seconds.
April 29, 2016

Science
A desert is hot and has less life. A forest has neutral to humid environment and has hundreds of species.
April 29, 2016

Math (Probability)
For the first one, I think it is B P(red and red) = 12/20 * 8/13 (Don't forget to add the total number of balls) Second one is C P(1 then 10) = 6/20 * 2/19 Since you take one note without replacing, the total number of notes is reduced by 1 from 20 to 19 The third one is A...
April 29, 2016

Math
Just divide 6 feet by 4 3/4 inches and round down
April 29, 2016

alg
I would multiply 4 in to get 4x^2-24x+20 Then factor out 4 4(x^2-6x+5) Complete the square inside the bracket 4[(x-3)^2-9+5] = 4[(x-3)^2 -4]= 4(x-3)^2 -16 I would think it is +16 needed to complete the square
April 29, 2016

math
Is this division?
April 29, 2016

Cape he loped high school
Let total no. of lemonade and orange juice cups sold be x and y respectively. x+y=100 2x+3y=240 Solve for x and y :)
April 29, 2016

science
It always help to draw a diagram Hooke's law F=kx x is the extension of the spring Force F is acting on the stone when it is still in the catapult, travelling distance x. x=F/k=36/72 Initial velocity u = 0 "Final" velocity v = ? Acceleration a = F/m - mg ...
April 29, 2016

history
Which of the following is true of Japan today?
April 28, 2016

college mathematics
Determine whether each pair of triangles is congruent. b. Triangle 1: angle 53 , side 28 meters, and angle 37 Triangle 2: angle 53 , side 28 meters, and angle 37
April 28, 2016

college mathematics
Determine whether each pair of triangles is congruent. a. Triangle 1: sides 8 inches, 11 inches, and 14 inches Triangle 2: sides 11 inches , 14 inches, and 8 inches
April 28, 2016

Physics
Upthrust = weight of object = 2.8*g N
April 28, 2016

math
Basically they're just asking you to simplify the expression Combine like terms means combining terms with x and normal constants together (4/5 x + 3) - (1/4 x - 1) = 4/5x - 1/4x + 3 + 1 = etc etc
April 28, 2016

physics
Sorry the formula is 4/3 pi r^3
April 28, 2016

physics
Use the formula density=mass/volume Find volume of the star I assume that the star is a sphere so volume = 4/3 pi r^2 From the volume, you can find radius :)
April 28, 2016

Alias robert
a car starting from rest is accelerated at 2m/s(square) for 10s, then moves at constant velocity for 20s and then decelerates at 1m/s(square), finally stops. how far does it travel during its trip? please help me! I need in solution for that problem
April 28, 2016

math
Jake spent 3/8 of his money on a DvD and 1/2 of what was left on a sandwich. He now has $6.25. How much money did he start with?
April 28, 2016

math
Madison Square Garden in New York City is built in the shape of a circle. Its diameter is 404 feet and it accommodates 20,234 spectators. To the nearest tenth, of a square foot how much area is there for each spectator?
April 28, 2016

Math
I meant 3/8 of his money
April 28, 2016

Math
Jake spent 3/80 of his money on a DvD and 1/2 of what was left on a sandwich. He now has $6.25. How much money did he start with?
April 28, 2016

math
Brian's kite is flying at the end of 82 of string. His end of string, is 3 feet off the ground. the angle of elevation of the kite is 55 degrees. What is the height of the kite?
April 28, 2016

science
A 9-volt battery supplies 0.125 A of electrical current to a toy car. The car has a mass of 0.100 kg and the coefficient of friction between the tires and the ground is 0.4. If the car is 100% efficient, how far will the car travel in 10 seconds?
April 28, 2016

science
A 2 kg mass is hanging from a spring with a constant of 1500 N/m. What is the elongation of the spring?
April 28, 2016

Math
A rocket is launched from the top of a 50 foot cliff with an initial velocity of 120 feet per second. The height, h, of the rocket after t seconds is given by the equation h=-16t^2 + 120t+ 50. How long after the rocket is launched will it be 10 feet from the ground?
April 28, 2016

  1. Pages:
  2. 1
  3. 2
  4. 3
  5. 4
  6. 5
  7. 6
  8. 7
  9. 8
  10. 9
  11. 10
  12. 11
  13. 12
  14. 13
  15. 14
  16. 15
  17. Next>>