Lucky
Most popular questions and responses by Lucky
Physics
A certain moving electron has a kinetic energy of 1.01 × 10−19 J. Calculate the speed necessary for the electron to have this energy. The mass of an electron is 9.109 × 10−31 kg. Answer in units of m/s.
asked on April 3, 2011 
Math
5. How would you change this sentence to a true statement? b. Every irrational number is a rational number. c. Every irrational number is a real number. •• d. Every irrational number is a whole number. e. Every irrational number is a perfect square.
asked on September 14, 2016 
chemistry
consider the reaction, 2Al(OH)3+3H2SO4>Al2(SO4)3+6H2O a. Given that 152g of H2SO4 reacts with 234g of Al(OH)3 Howmany grams of Al2(SO4)3 will be theoretical generated? b. which of the reactants is the limiting reagent? c. If the actuall yield was 135 g
asked on October 8, 2011 
algebra
Solve the inequality graph the solution set 26+6b>2(3b+4) answers are. All real numbers, b11/2, no solution thanks
asked on February 23, 2014 
statistics
The weight of corn chips dispensed into a 19ounce bag by the dispensing machine has been identified as possessing a normal distribution with a mean of 19.5 ounces and a standard deviation of 0.1 ounce. Suppose 100 bags of chips are randomly selected. Find
asked on November 13, 2010 
Math
19. Which set of numbers is ordered correctly from least to greatest? A. 0,3,[4],[5],8 B. 8,[5],[4],3,0 C. [4],3,0,[5],8 D, [5],[4],3,0,8 ••
asked on September 14, 2016 
Civic education
What are some examples of civic problems?
asked on September 27, 2018 
statistics
A recent report stated "Based on a sample of 250 truck drivers, there is evidence to indicate that, on average, independent truck drivers earn more than companyhired truck drivers." This statement is an example of __________.
asked on November 13, 2010 
English
What is this story theme? ''How I learned English?'' by gregory djanikian
asked on November 26, 2018 
math
A ladder , 5 meter long , standing on a horizontal floor , leans against a vertical wall . If the top of the ladder slides downwards at the rate of 10 cm/sec . Find the rate at which the angle between the floor and the ladder is decreasing when the lower
asked on June 19, 2011 
Science
Calculate the magnitude of the electric field at a field point 3.0m from a point charge, q=5.0uC
asked on April 29, 2019 
chemistry
find the percentage by mass of nitrogen present in (NH4)2SO4
asked on November 10, 2015 
chemistry
A generic salt, AB, has a molar mass of 313 g/mol and a solubility of 4.30 g/L at 25 °C. What is the Ksp of this salt at 25 °C?
asked on April 3, 2013 
Chemistry
From the jewelry descriptions given, select the homogeneous mixture or solution. Answer?? 10 carat (K) electroplated gold jewelry 24 carat (K) gold jewelry (i know this is pure gold) 18 carat (K) gold jewelry Are these right? CaCl2>>calcium chloride
asked on January 28, 2013 
Civics
impact of the contemporary social issue
asked on September 15, 2019 
physics
The length of copper and an iron wire is 500m at 0^0c. Determine the difference in their length at 30^0c
asked on September 17, 2019 
Physics
Calculate the net charge on a substance con sisting of a combination of 3.5 × 1013 protons and 6.3 × 1013 electrons. Answer in units of C.
asked on April 8, 2011 
Physics
A uniform rod of weight 300N and 2m long is hinged to the floor at one end so that it can rotate in the vertical plane. The other end of the rod is tied to a point on the ceiling vertically above the floor hinge by means of a rope 2.5m long. The vertical
asked on June 25, 2017 
geometry
Constuct a triangle ABC ,given that angleA is 70 degree & angle C is 35 degree and length of perpendicular from A on BC is 5cm .meausre BC
asked on February 16, 2016 
L.o
What ar three practical measures to deal with this environmental issue that causes illhealth on a personal level?
asked on September 13, 2015 
math
In 1991, the separation between goalpost uprights in college football changed from 23 feet 4 inches to 18 feet 6 inches. What percent reduction was this? (accurate to tenths)
asked on March 28, 2011 
chemistry
From the jewelry descriptions given, select the homogeneous mixture or solution. Answer?? 10 carat (K) electroplated gold jewelry 24 carat (K) gold jewelry (i know this is pure gold) 18 carat (K) gold jewelry Are these right? CaCl2>>calcium chloride
asked on January 28, 2013 
algebra
Show all steps evaluate the expression for the given value of the variable 5a+5b,a=6,b=5thanks
asked on February 23, 2014 
geometry
the perimeter of a rectangle is 70m. if the width were doubled and length were increased by 24m, the perimeter would be 142m. what are the length and width of the rectangle?
asked on December 14, 2010 
probability
If you were to spin a spinner that had eight equal parts labled 18 three times what is the probability that all three numbers are (3 or greater than five)?
asked on April 20, 2010 
a
A rectangle is 3times as long as it is wide the perimeter is 60cm. Find the dimensions of the rectangle round to nearest tenth if necessary answers are 7.5cm.by22.5cm., 7.5cm.by52.5cm., 20cm.by60cm., 15cm.by22.5cm thanks
asked on February 23, 2014 
Life orintation
Name two community organisations that are involved in supporting or giving redress to environmental factors. Explain how these community organisations are involved in redressing these issues.
asked on June 9, 2013 
Economics
The productivity of a single resource in producing wheat and microchips in both Canada and Japan: One unit of resource produces: Canada 50 tons wheat, 20 micrchips and Japan 2 tons wheat, 12 microchips. (b) Suppose Canada is endowed with 2 units of this
asked on November 28, 2010 
statistics
To win at BIG GAME in a certain state, one must correctly select 6 numbers from a collection of 49 numbers (1 through 49). The order in which the selections is made does not matter. How many different 6number selections are possible, assuming no
asked on November 13, 2010 
Economics
(Value in billions of dollars) Consumption = 140 Business fixed and residential investment = 27 Inventory stock at the end of 2003 = 10 Inventory stock at the end of 2004 = 5 Depreciation = 12 Government outlays = 80 Government purchases = 65 Total
asked on September 23, 2008 
algebra
Show all steps evaluate the expression for the given value of the variable 5 a+5b,a=6,b=5
asked on February 23, 2014 
chm
Which of the following facts is evidence for the existence of induced dipoleinduced dipole interactions between molecules? Answer >>>Ions in water become surrounded by water molecules and this is what we observe as "dissolving." Water freezes into a solid
asked on February 20, 2013 
Economics
The productivity of a single resource in producing wheat and microchips in both Canada and Japan: One unit of resouce produces: Canada 50 tons wheat, 20 microchips and Japan 2 tons wheat, 12 microchips. (a) What is the opportunity cost of producing a ton
asked on November 28, 2010 
Psycology
The DSMIV is an important tool for clinicians. It provides a standard for diagnoses to be standardized across psychology; however, the DSMIV is not as precise for diagnosing personality disorders as some psychologists would like. Give an example of each
asked on April 21, 2010 
Math
Last year company x produced 96.8% of a certain product. If company y produced the remaining amount of this product what percent did company y produce?
asked on August 25, 2013 
Math
Last year company x produced 96.8% of a certain product. If company y produced the remaining amount of this product what percent did company y produce?
asked on August 24, 2013 
physical science
A builder pushes a wheelbarrow loaded with sand ,from rest at point A,up a ramp of unknown length ,which is inclined at unknown angle ,vertical height of unknown 2,75m
asked on April 7, 2013 
Life orientation
In 1015 critically discuss 5 ways in which the human or enviromental problem impacts on the community.provide relevent sources to support your claims
asked on March 24, 2013 
Working backwards (problem solving)
a store bought some calculators for $400 wholesale and sold all but 10 of them retail for $280 total. The store paid a whole number of dollars for each and received a whole number of dollars each week. If the store made a profit on the sale of each
asked on September 17, 2013 
chemistry
what is the molarity of a solution containing 15.0 g of NaCl in 1.25 L of solution?
asked on May 22, 2011 
Math
On Dec 1,2007,you could buy a 10year U.S.Treasury note(a kind of bond)for $10,000 that pays 4.21% simple interet every year through Dec 28,2017.How much total interest would it earn by then? Thanks!
asked on April 14, 2011 
Math word problem
Jeff went fishing yesterday and caught a large fish. Upon measuring it he found that the head was 6 inches long. He also noted that the tail was as long as the head plus onethird of the back and that the back was as long as the tail plus twice the head.
asked on September 17, 2013 
chemistry
please i need example of hno3 cuo
asked on May 8, 2013 
accounting
What entries would the bookkeeper have made ie the cheque is not presented for payment by the payee?
asked on January 26, 2010 
trigonometry
If cos x = 4/5, 0° x 90°, find the value of (1 + tan x)/(1  tan x)
asked on April 8, 2017 
math
tom takes 3days to do a piece of work while jerry takes only one day for the same. together, they both can finish the job in 15 days. in how many days tom will finish the work? solution please
asked on December 16, 2015 
math
tom takes 3days to do a piece of work while jerry takes only one day for the same. together, they both can finish the job in 15 days. in how many days tom will finish the work? #please give it, the complete solution. please hurry
asked on December 16, 2015 
algebra
Solve the equation5y9=(y1) answers are1/2, 21/2, 2, ,2/4
asked on February 23, 2014 
median
calculating the range of 0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16 Is the range 160 =16 if this is the range what is the median 9 or 10
asked on September 8, 2013 
Life orientation
Discribe the life style of cancer and explain 5(more) factors that contribute to the cancer
asked on March 26, 2013 
Liff Orientation
In 1015 lines critically discuss 5ways in which the human or environmental problem impacts on the community.provide relevant sources to support your claims.
asked on May 14, 2011 
MAths
Supplement of angle is four times its complent angle find angle
asked on May 18, 2017 
aLGEBRA
hOW MANY STUDENTS IN A CLASS IS POETS AND HOW MANY NOVELISTS WHEN THERE ARE 24 STUDENTS IN THE CLASS AND POETS OUTNUMBER NOVELISTS 5 TO 3
asked on January 18, 2016 
Word problem
10 men are fishing in a row boat. The center is empty. The 5 men need to swap places. A man can move to his seat if it is empty or step over one person to an empty seat what are the minimum moves needed for the five men to swap places. My answer is 25
asked on September 17, 2013 
science
a rubber ball thrown at a height reaches the ground and keeps bouncing for sometime before coming to rest.
asked on July 13, 2012

Science
The question has not been answer
posted on April 29, 2019 
Edtech
C D B 100% Thanks guys
posted on January 9, 2019 
Science
a a d d c a a d a b b a c c c a c b b d d a,d type type type
posted on January 8, 2019 
maps and scale drawings math MATH HELP help !!!!
anyone near Christmas yet :]]
posted on December 10, 2018 
Math
@Ya Boi Is RIGHT except number 3
posted on November 28, 2018 
language arts
Its not BaBA I got 1 out of 4 its c a d c Truct me
posted on October 31, 2018 
MATH ASAP
B,A,D,B, is right I just checked it trust me.
posted on October 31, 2018 
Social Studies
I think it is C if its not im going to do a backflip on a trampoline with mousetraps on it... That's how random I am
posted on October 30, 2018 
Math
A C C D C A D A C A D D A C A C D A A A D Do the rest on your own good luck.
posted on October 30, 2018 
career
Am doing life sciences, agriculture, economics and maths literacy so which career it can fit
posted on October 20, 2018 
Algebra
Meh is wrong’s answers worked for me. Sometimes different people have different combinations of right answers because the computer switches em up
posted on April 12, 2018 
math
Yeah. 710.185% is correct
posted on February 10, 2018 
math help me pls
You already know I had to do it to em.
posted on October 24, 2017 
english
Tone Style Theme Plot Characterization Competition Realization
posted on June 14, 2017 
Social Studies (Check Answers)
That's why want to know what grade because I don't want to check it and get you to get wrong answers
posted on September 14, 2016 
Social Studies (Check Answers)
Okay that's fine but what grade are you in batman
posted on September 14, 2016 
Social Studies (Check Answers)
I wound't give him the answer I'm going to help him find the answers on his text book
posted on September 14, 2016 
Social Studies (Check Answers)
What grade
posted on September 14, 2016 
Social Studies (Check Answers)
What unit and lesson is it?? I can help u
posted on September 14, 2016 
Economics
a.$10 billion
posted on August 26, 2016 
Life orientation
Combat violations of human rights
posted on May 4, 2016 
life orientation
Have the right to basic education,have the right to live without any violations. The gang violence,human abuse and child labour the govern must be against to prevent it an also communities must protest against it
posted on April 27, 2016 
life orientation
3 human right violation
posted on April 21, 2016 
life orientation
3 human rights violation and explain in an introductory paragraph
posted on April 21, 2016 
life orientation
Lo
posted on April 21, 2016 
life orientation
I don't know the answer
posted on April 21, 2016 
Geometry
Gosnkasnhf
posted on March 31, 2016 
Geometry Proofs (w/Pic)
Prove this P(3;7),Q(5;13),R(8;9) and S(0;3) are the vertices of a quadrilateral in a Cartesian plane.
posted on March 31, 2016 
Geometry Proofs (w/Pic)
P(3;7),Q(5;13),R(8;9) and S(0;3) are the vertices of a quadrilateral in a cartesian plane.
posted on March 31, 2016 
Life orientation
Maths
posted on March 1, 2016 
maths and science
maths
posted on March 1, 2016 
life orientation assignment
Give 3 media forms over the same two week period.
posted on May 26, 2015 
sociology
social class
posted on April 20, 2015 
Human Sexuality
What my parent told me
posted on March 8, 2015 
math
90
posted on February 27, 2015 
math
75
posted on February 27, 2015 
Life science, history, geography, and maths literacy
What is the value of igneous rocks to humankind
posted on April 16, 2013 
math
One number is 3 times another. If the sum of their reciprocals is2/9 , find the two numbers.
posted on October 24, 2012 
life orientation
tuberculosis
posted on April 1, 2012 
Life orientation
Recommendation
posted on May 28, 2011 
Psycology
Thank you so much Ms. Sue have a great evening
posted on April 21, 2010 
Psycology
Most of today’s clinicians believe that personality disorders are important and troubling patterns, yet these disorders are particularly hard to diagnose and easy to misdiagnose. These difficulties indicate serious problems with the validity (accuracy)
posted on April 21, 2010 
Psycology
javascript:materialLinks('29',%20'psy270r3_chapter_14.pdf',%20'ICMaterials',%20'PSY270R3',%20'ST',%20'True');%20%20%20%20%20%20customTracker('file',%20'Ch.%2014');
posted on April 21, 2010 
Economics
hi, thank u for ur help. for statistical discrepancy i got 211201=10 i thought its bifference b/w calculation of GDP and the method of income of factor of production(Labor income+Capital Income+Net income foreigners.. lemme know if im wrong!! thnx again
posted on September 23, 2008