Friday
July 29, 2016

Posts by Anonymous

Total # Posts: 98,477

math0
If you pick a gumball at random, put it back, and then pick another gumball at random, what is the probability of picking a blue gumball then picking a yellow gumball?
April 21, 2016

Statistics
A coffee-dispensing machine is supposed to deliver 12 ounces of liquid into a large paper cup, but the costumer believes that the actual amount is less. As a test he plans to obtain a sample of 30 cups of the dispensed liquid. The mean of his sample is 11.5 ounces. The machine...
April 21, 2016

wave optics
A double slit arrangement is illuminated first with red, then with blue light. a. which one has wider fringes? b. which one produces more fringes?
April 21, 2016

Language arts
1 - c 2 - d 3 - a 4 - d Got a 100%
April 20, 2016

Language arts
Wow ms sue, Emily is right not ms sur👎🏼
April 20, 2016

Math
When rounded to the nearest hundredth which number equals0.61
April 20, 2016

math
Landy
April 20, 2016

Us history
The reconstruction finance corporation aimed to
April 20, 2016

Math
If a seed is planted, it has a 60% chance of growing into a healthy plant. If 6 seeds are planted, what is the probability that exactly 4 don't grow?
April 20, 2016

Statistics
A test has a mean of 150 and a student performed 1 standard deviation above the mean. What score did the student have on the test?
April 20, 2016

Math
If a seed is planted, it has a 65% chance of growing into a healthy plant. If 11 seeds are planted, what is the probability that exactly 1 doesn't grow?
April 20, 2016

MATH
I had this question similar to this 3 days ago it said'Kayla had 5 red cups 1 yellow 3 green 2 blue what was the possibility of green out of 100 i said 50 because that is half more than red
April 20, 2016

english
English is the opportunity language why border teach indigeneous language
April 20, 2016

Advanced Chemistry
he vapor pressures of several solutions of water-propanol(Ch3Ch2Ch2OH) were determined at various compositions, with thefollowing data collected at 45C: XH2O Vapor pressure (torr) 0 74.0 .15 77.3 .37 80.2 .54 81.6 .69 80.6 .83 78.2 1.00 71.9 a.) Are solutions of water and ...
April 20, 2016

Pre Algebra
1. -x^3+2x^2-3x+2 2. -x^2+3x+15 3. −2x2−2x+5 4. 7,-4 5. m^2+2 6. 6x^3+7x^2-x-5 7. 15t-4 8. f^8 9. 144^12 10. x^7 11. 4^3*4^4=4^12 12. 2^4*2^4>2^7 13.1 14. 1/8 15. 1.26x10^7 16.8.5x10-9 17. 64t10 18. -7x2+8x 19. −6k4−12k3+21k2 20. 2k2+k−3 21. &#...
April 20, 2016

Pre Algebra
So what order are the test questions?
April 20, 2016

Pre Algebra
Kelsey, your totally wrong I just failed. 1)d 2)b 3)a 4)a 5)b 6)a 7)c 8)a 9)c 10)d 11)c 12)d 13)a 14)a 15)b 16)c 17)b 18)d 19)a 20)d 21)a Trust me, you'll get 100% I just failed cause of Kelsey
April 20, 2016

Pre Algebra
Which polynomial does the model represent? –x³ + 2x² – 3x + 2 x² + x – 2 –x² – x + 2***** –x² + x – 2 Can someone please help me @Ms.Sue @Reed @WriteTeacher
April 20, 2016

Chem
How many moles of hydrogen gas would be needed to react with excess carbon dioxide to produce 76.6 moles of water vapor?
April 20, 2016

Geometry
a pizza restaurant charges $10.00 for a large one topping pizza in the shape of a circle with a diameter of 14 inches. To celebrate the World Series, the resturant decides to bake a pizza in the shape of home plate. The dimensions of the pizza are shown. If the restaurant ...
April 20, 2016

math
A triangular traffic island has a base half as long as its height. The island has an area of 289 m2 . Find the base and the height.
April 20, 2016

life orientation
memorandum
April 20, 2016

life orientation
life orientation
April 20, 2016

life orientation
decribe three humans right
April 20, 2016

life orientation
Kiling of young children
April 20, 2016

life orientation
Piling of young children
April 20, 2016

life orientation
1.human rights violation discrimination
April 20, 2016

life orientation
Life orientation research
April 20, 2016

life orientation
I dont know the answer
April 20, 2016

life orientation
Gang violence.child abuse
April 20, 2016

life orientation
nnnnn
April 20, 2016

life orientation
Abuse human right
April 20, 2016

Computing
How can you count the number of items in the array - what do you have to add to this code? <!DOCTYPE html> <html> <body> <p>Click the button to sort the array.</p> <button onclick="myFunction()">Try it</button> <p id="...
April 20, 2016

Brand packaging and design
12. Rico and Liz are analyzing a project scope. Rico says they should consider the brand's message, identity, and architecture. Liz says they should consider the brand's hierarchy, sustainability, and the impacton the packaging design. Who is correct? A. Neither is ...
April 20, 2016

science
can you please tell me some alkalis you would have in your house xxx
April 20, 2016

Math
0-foot ladder is leaning against a wall. The base of the ladder is 2 feet from the base of the building. How far up the building does the ladder fall
April 20, 2016

Math
What is the probability that washing dishes tonight will take me between 11 and 14 minutes? Give your answer accurate to two decimal places. please help out
April 20, 2016

Launguage Arts
Read the damn novel and you will know
April 20, 2016

Launguage Arts
Which of the following passages from the novel Walk Two Moons best supports the story's theme of hope? 6. A: I asked if I could sit there for a little while, because I wanted to memorize the place B: in the midst of the still morning, with only the sound of the river ...
April 20, 2016

physics
The (non-conservative) force propelling a 1.40 x 103-kg car up a mountain road does 7.60 x 106 J of work on the car. The car starts from rest at sea level and has a speed of 22.0 m/s at an altitude of 2.50 x 102 m above sea level. Obtain the work done on the car by the ...
April 20, 2016

life orientation
3human rights violation or discrimination
April 20, 2016

english
It gives you a big opportumity of jobs
April 20, 2016

Math
x P(x) 0 0.3 1 0.15 2 0.2 3 0.35 Find the standard deviation of this probability distribution. Give your answer to at least 2 decimal places
April 20, 2016

stats
Given a normal population whise mean is 50 and whise standard deviation is 5, find the probability that a random sample of 25 has a mean greater than 52.
April 20, 2016

Calculus
A stone is dropped from the edge of a roof, and hits the ground with a velocity of −170 feet per second. Assume the acceleration due to gravity is -32 feet per second squared. How high (in feet) is the roof?
April 20, 2016

american history
What was one effect that mass transit had on American cities? A. Most urban workers no longer had to live in tenements. B. The number of skyscrapers increased dramatically because there was no room left on the ground. C. Conflicts over ethnic and racial divisions declined ...
April 20, 2016

amerian history
What was the goal of Americanization programs in settlement houses? A. to combat the belief that native-born white Americans were superior to newcomers B. to help newcomers learn English and adopt American dress and diet C. to blend traditions from immigrants of different ...
April 20, 2016

life orientation
The rights to life
April 20, 2016

Physics
A lighter block (2 kg) and a heavier block (8 kg) sit on a frictionless surface. Both blocks are initially at rest. The same force of 4 N then pushes to the right on each block for a distance of 9 m. What are the changes in kinetic energy of the blocks? What are the final ...
April 20, 2016

Physics
A car is moving such that its kinetic energy is 6.20×105 J. The car accelerates and the engine does 2.90×105 J of work to accelerate the car. What is the final kinetic energy of the car? Ignore energy lost to friction. (Your answer must be accurate to at least 1%. ...
April 20, 2016

English
1
April 20, 2016

ENGLISH
Yes
April 20, 2016

Science
what volume of NH3 gas at s.t.p. is required to neutralise 40cm3 of 2M H2SO4?
April 20, 2016

Life orientation
Make six suggestions on how to combat the violations of human rights
April 20, 2016

Physics
If a car can accelerate at a rate of 15 m/hr/sec how long will it take the car to get to 65 m/hr from a dead stop?
April 20, 2016

Math
About 8% of the population of a large country is nervous around strangers. If two people are randomly selected, what is the probability both are nervous around strangers? What is the probability at least one is nervous around strangers?
April 19, 2016

Chemistry
hgfhkhvmhgbzxkbchKIZUBHXDcliXbCXHvcyXZCHzhczxhcbszbdchasbcs;cisD;Osfdihsd nyrtdnrfd
April 19, 2016

Geometry- URGENT PLEASE HELP!!
haha we are all cheaters
April 19, 2016

Geometry- URGENT PLEASE HELP!!
you are doing a geometry class for Aops and this is the problem this week. STOP CHEATING
April 19, 2016

pre-ap chemistry
how to make 100 mL of a 0.500 M CuSO4 solution
April 19, 2016

math
15
April 19, 2016

Chemistry
If a tire can hold 19L of air at 175 kPa and 25° C, what volume of air can the tire hold at 215 kPa and 30° C? Possible answers: A. 13.7 L B. 15.7L C. 23.0L D. 19L
April 19, 2016

Pre-Calc
Solve the following algebraically. log3(x) + log3(x-2) = 1 Are the solutions 3 and -1?
April 19, 2016

Math
How many 1/3- cup servings of juice are in a 5- cup container?
April 19, 2016

geomtry
The figures are similar. The area of one figure is given. Find the area of the other figure to the nearest whole number. The area of the smaller trapezoid is 771 m
April 19, 2016

Geometry
^he was probably searching up the answers too
April 19, 2016

english
English is the language of opportunity why bother to teach indigenous language
April 19, 2016

life Orientation
answer for the human rights violation or discrimination
April 19, 2016

chemistry
Calculate the standard entropy change for the reaction of calcium oxide with water to form calcium hydroxide: CaO(s) + H2O(ℓ) → Ca(OH)2(s) at 298 K. ∆S ◦ m ∆H◦ f J K·mol? kJ mol? CaO(s) 39.75 −635.09 H2O(ℓ) 69.91 −...
April 19, 2016

science
2Ag(NO3) + Cu>>Cu(NO3)2 + 2Ag a. how much silver nitrate was there? b. assuming the reaction goes to completion, ie, there is enough silver nitrate, then you get 2 moles siver for each mole of Cu. moles Cu=100/atomicmassCu moles Ag=2* above grams Ag= above*atomicmassAg
April 19, 2016

Physics
acceleration=v^2/r=1.45^2/1.80 m/s^2
April 19, 2016

Math
If a seed is planted, it has a 75% chance of growing into a healthy plant. If 7 seeds are planted, what is the probability that exactly 3 don't grow?
April 19, 2016

Social Studies
So do you guys knew the answers
April 19, 2016

math area
A rectangular tabletop is 4 ft long and 30 in. wide. Which is the area of the tabletop?
April 19, 2016

Math
so 40074 divided by 3.14
April 19, 2016

Math
A bag contains 3 gold marbles, 10 silver marbles, and 21 black marbles. Someone offers to play this game: You randomly select on marble from the bag. If it is gold, you win $3. If it is silver, you win $2. If it is black, you lose $1.
April 19, 2016

Art
What are the names of Santa's reindeer?
April 19, 2016

Chemistry
N=No e^-Lt .5=e-L12 ln of both sides... ln (1/2)=-12L L=ln.5/-12=.693/12
April 19, 2016

Math
Mona takes out a $12,000 student loan to help pay for her first 2 years of college, then 2 years later needs another loan for $14,000 to get her through to graduation. She graduates 4 years and 9 months after acquiring the first loan, and payments are deferred until 6 months ...
April 19, 2016

Chemistry
-47.93*
April 19, 2016

Chemistry
6% solution means 6g H2O2 per 100g of water. 1g of water = 1ml, so 6g H202/100mL. Now you have 40mL solution, so, 40mL * (6g/100mL) = 2.4g of H2O2, moles of H2O2 = 2.4/34.0147 = 0.0705 moles H2O2. ΔH = ΔrH/moles H2O2. ΔH = -3.382kJ/0.0705mole = 47.93 kJ/mol
April 19, 2016

Chemistry
this pre lab sucks
April 19, 2016

english
What is a persuasive writing
April 19, 2016

statistic
There are 20 students in a class. Six of them have blue eyes and nine have brown eyes. You were asked to choose 2 students without replacement. What is the probability of choosing an student with blue eyes followed by a student with brown eyes?
April 19, 2016

US history
What long term cause led to South Carolina seceding from the United States? A. The Growth of the anti-slavery movement B. Debate over the expansion of slavery into the territories C. Increased sectional tensions due to new laws D. The breakdown of the I thought the answer is B...
April 19, 2016

US history
Ulysses S. Grant was not considered a popular president, even though he had been a popular war hero. Which statement describes why? A. He refused to work with Radical Republicans in Congress. B. His ability to lead was marred by scandal. C. He took a strong stand against ...
April 19, 2016

math
Let the number of miles Donald has been cycling be x. The number of days of the adventure is 3x. Ashwin has been cycling 9 miles a day, so Ashwin has covered 3x * 9 miles = 27x. The total distance is 247 miles Add the distance that Ashwin and Donald have been cycling for x+27x...
April 19, 2016

math
Let the first digit be x and the second be y. The number is xy(note that they're not multiplied together) xy+yx = 99 let y=2x Trial and error from here 36+63=99 :)
April 19, 2016

math
Let f = age of father and(f-24) = age of son After two years their sum of ages will be 40. So, (f+2) + (f-24) + 2 = 40 2f - 20 = 40 2f = 40 + 20 2f = 60 father(f) = 30 yrs
April 19, 2016

science
I think you need to use the resistivity formula R=rho(l/A) R is resistance, rho is resistivity, l is length and A is diameter Since you are given length and diameter, you know l and can find A which is the cross-sectional area of the wire. For resistivity, you can search up ...
April 19, 2016

math
The time it takes me to wash the dishes is uniformly distributed between 11 minutes and 20 minutes. What is the probability that washing dishes tonight will take me between 15 and 16 minutes? Give your answer accurate to two decimal places.
April 19, 2016

Meteorology
Warmer temperatures. In warmer temperatures, the average speed of the water molecules is faster, hence more molecules will be able to escape from the surface of the water into the air
April 19, 2016

Chemistry - Oxidation-Reduction reactions
4 KMnO4(aq) + 6 H2SO4(aq) = 2 K2SO4(aq) + 4 MnSO4(aq) + 6 H2O(l) + 5O2(g) That would depend on what your limiting reagent is. If it was KMnO4, then the calculation should not change. If it was H2SO4, the calculation will change according to volume etc However, since adding ...
April 19, 2016

Chemistry - Oxidation-Reduction reactions
how would your calculation of the molarity of KMnO4 be affected if you had added twice as much sulfuric acid and water as was called for in the procedure?
April 19, 2016

Calculus I
For what values of a and b is the line -4x+y=b tangent to the curve y=ax^3 when x=4? Can anyone give me the hint?
April 19, 2016

Math
I=Io-(I=/csc^2theta) =Io-Io(sin^2theta) =Io(1-sin^2theta) =Io(cos^2theta) For part b, assuming that it is the same type of light entering the lens, the intensity I entering should be the same. Then you can create two equations and use proportion to solve
April 19, 2016

Calculus I
if f(x)=24, find f'(11)? How can i find it?
April 19, 2016

Pre-Calc
Assume that x, y, z and b are positive numbers. Use the properties of logarithms to write the expression logb(4) sqrt((x^7 y^2)/(z^4)) in terms of the logarithms x, y, and z.
April 18, 2016

Math
The total cost of collars and embellishments Victoria buys has to be less than or equal to her budget. Hence 5C+2E "less than or equal" 1000
April 18, 2016

Algebra
Let the length of the third side be x The second side will be 10x(10 times) The third side is x-6(6 less) 64=x+10x+x-6
April 18, 2016

  1. Pages:
  2. <<Prev
  3. 10
  4. 11
  5. 12
  6. 13
  7. 14
  8. 15
  9. 16
  10. 17
  11. 18
  12. 19
  13. 20
  14. 21
  15. 22
  16. 23
  17. 24
  18. Next>>