Mikey
Most popular questions and responses by Mikey
Math
what do you call two railroad trains after a headon collision?
asked on October 1, 2008 
Chemistry
The reaction 2NO (g) + 2H2 > N2 (g) + 2H2O (g) was found to follow the rate law, rate = k[NO]^2[H2]. By what factor will the rate of reaction increase when the pressure of NO gas is increased from 2.0 atm to 3.0 atm? Assume all other conditions are held
asked on July 13, 2016 
statistics
Five percent of all items sold by mail order company are returned by customers for a refund. Find the probability that, of two items sold during a given hour by this company, a) both will be returned for a refund b) neither will be returned for a refund
asked on October 19, 2011 
English
Identify the subject, object, and verb in this sentence. Online classes require good timemanagement skills.
asked on July 2, 2016 
trigonometry
A plane is headed due west with an air speed of 300 mph. The wind is from the north at 80 mph. Find the bearing for the course and the ground speed of the plane.
asked on November 27, 2012 
Chemistry
How many grams of ice are needed to cool 250 ml of water from 75 degrees Celsius to 5 degrees Celsius? (m_ice * 6.01kJ) + (m_ice * 4.18J/g°C * (575°C) = [250mL * 4.18J/g°C * (575°C)] ???
asked on September 5, 2016 
math
In the centre of every cell of a 5x5 board stands one kangaroo. Suddenly, a thunder strikes, and each kangaroo is startled so that it jumps over the side of its cell into a neighbouring cell, possibly joining one or more other kangaroos there. What is the
asked on March 17, 2018 
Chemistry
You have a .200M solution of NaCl. if you pipette 2.00 mL of the solution into a 25mL volumetric flask and dilute it to the mark, then what is the molarity of the new solution
asked on October 24, 2010 
physics
a hot air balloon rise above the ground, accelerating upwards at a rate of 2 m/s^2. The total mass of the hot air balloon and it occupants is 400kg. the density of the air is 1.3 kg/m^3. a) Determine the volume if the hot air balloon. b) if this
asked on September 1, 2010 
Music
I have heard of polyphonic textures, are polyphonic textures the same as polyphonic sections? Polyphonic sections are parts of a homophonic texture that vary and are polyphonic. Here is a site on polyphonic texture.
asked on November 7, 2006 
Chemistry
For the teaction system, 2SO2(g) + O2(g) 2SO3(g), Kc has a value of 4.62 at 450.0K. A system, at equilibrium, has the following concentrations: [SO3] = 0.254 M, [O2] = .00855 M. What is the equilibrium concentration of SO2(g)? The correct answer is 1.28M,
asked on July 20, 2016 
Chemistry Buffers
a buffer is prepared by mixing .208 L of 0.452 M HCl and 0.5 L of 0.4 M sodium acetate. When the Ka= 1.8 x 10^5 I figured out that the pH= 4.74 but then it asks how many grams of KOH must be added to the buffer to change the pH by .155 units?
asked on December 5, 2010 
trig
A rocket tracking station has two telescopes A and B placed 1.9 miles apart. The telescopes lock onto a rocket and transmit their anlges of elevation to a computer after a rocket launch. what is the distance to the rocket
asked on April 14, 2011 
English
I need help writing an essay comparing and contrasting two stories about how the society has changed the lives of grandparents. it's due by tomorrow
asked on March 14, 2018 
chemistry
I know everyone guessed i had a few more i couldn't do. Sorry but assistance please: 1.Sucralfate (molecular weight: 2087g/mol) is a major component of Carafate® which is prescribed for the treatment of gastrointestinal ulcers. The recommended dose for a
asked on November 17, 2015 
Math
Can someone give me the answers to pizzazz e8 page
asked on September 11, 2013 
Williamson Reaction CHEM
What would be the fate of any unreacted NaOEt reactant, ie. where does it end up, would it be a contaminant in the crude product or would it be removed, if so how (williamson reaction)
asked on November 11, 2017 
Prealgebra
Please help me to solve this word problem. How do I write and equation and solve? Find three consecutive even integers such that 50 times the smallest is 88 less than 46 times the largest
asked on February 7, 2018 
organic chem, crude mix
how do i know if the flex column in TLC successfully separated the three crude compounds(which were experimented and had rf values of , 0,0.5 and 0.55) in the crude mixture. Also which compound elutes first? And what is the reason for it to elute first?
asked on October 11, 2017 
trigonometry
1) Perform the operation and leave the result in trig. form. [3/4(cos pi/3 + i sin pi/3)][4(cos 3pi/4 + i sin 3pi/4)] Thanks
asked on December 3, 2012 
Math
A sports field has a shape that consists of semi circle and a rectangle as shown on the diagram on the right. The width of the field is 20m and its longest lengths measures 40 m. Find the area and the perimeter of the field.
asked on May 16, 2018 
trigonometry
1)Solve and write in standard form: 4x^24x+21=0 2)Find the standard form of the complex number. 8(cos pi/2 + i sin pi/2) Thanks everyone!
asked on December 3, 2012 
physics
A team of 6 scouts plans to cross a lake on a raft they designed. The scouts have wooden beams with an average relative density of 0.80. The beams measure 30cmx30cmx3m. The average scouts' mass is about 65kg and for their safety, they want the top of the
asked on September 2, 2010 
prealgebra
a1=1;an=5an1 please help prealgebra first five terms
asked on November 1, 2017 
trigonometry
Simplify and write in standard form. 1.) (radical 3 + i radical 15)(radical 3  i radical 15) 2.) 8 + 16i / 2i Thanks again everyone. Any help is appreciated.
asked on December 3, 2012 
Stiochiometry
15.8 grams of NH3 and excess O2 produces NO gas and H2O. 12.8 grams of NO gas was produced. Find the percent yield. Balanced Equation: 4 NH3 + 5 O2 > 4 NO + 6 H2O
asked on May 15, 2011 
english
need some help..waht is predicate, predicator and predication in this sentence: Twenty years ago London could have claimed the title "Smog City,Europe". Writeacher has given good information here. http://www.jiskha.com/display.cgi?id=1178019535.1178021833
asked on May 3, 2007 
prealgebra
how do I write the first five recursively defined sequence of this problem a(n)=2?please help and explain with steps
asked on November 5, 2017 
prealgebra
a junior basketball player has a goal of scoring at 1,000 points during his highschool career. his team plays twenty games per year, after two years he has 320 points. to be successful, how many points does he have to average per game over his last two
asked on October 18, 2017 
7th Grade Math
Sam serves a tennis ball at a speed of 90 miles per hour. If 0.62 mile is equivalent to 1 kilometer, what is Sam's serve speed in kilometers per hour? Round your answer to the nearest hundredth.
asked on May 2, 2016 
math
i have a 36 in. wide by 18 in. length by 20 in high rectangular aquarium that needs to be filled. i have a 12 in high cylindrical bucket with a 12 in diameter to fill the tank. if the aquarium contains 3 in of gravel and the bucket is to be filled to a
asked on February 20, 2012 
Math
Sam bought 1 of 250 tickets selling for $2 in a game with a grand prize of $400. Was $2 a fair price to pay for a ticket to play this game.
asked on March 30, 2010 
science
can someone tell me how to draw a gene
asked on January 9, 2008 
Math
In a circle O draw a chord AB such that the length of major arc AB is twice the length of minor arc AB. How does the length of chord AB relate to the radius of the circle? I don’t get it.
asked on May 16, 2018 
pre algebra
Reiny can you please help with these 3 problem. 1. a1=4;an13 this is find the first five terms of the recursively defined sequence. Problem 2 and 3 is write the first terms of the explicitly defined sequence an=4n+2. problem 3 an=2(3)n1
asked on November 2, 2017 
pre algebra
what is the first five terms of the the following recursively defined sequence with the steps please. a=1;=3a
asked on November 1, 2017 
prealgebra
can someone please help me to writ an inequality for this wor problem? Mr.Kirkland receives $13/hr. for regular time (8hr./day) and double pay for working on holidays. He worked on Friday even though it was a holiday. If his week's pay was at least $650,
asked on October 18, 2017 
University physiology
Most tissues regulated by the autonomic nervous system recieve both sympathetic and parasympathetic input from postganglionic neurons. The responses are typically local, in contrast the adrenal medulla recieves input only from the sympathetic division, yet
asked on October 15, 2017 
social studies
How did Mercantilism contribute to the American Revolution? a. It created the means of cultural diffusion in the New World b. It made the colonies economically independent c.It brought together the French, English, and Spanish influences on one continent
asked on September 10, 2016 
trig
A rocket tracking station has two telescopes A and B placed 1.9 miles apart. The telescopes lock onto a rocket and transmit their anlges of elevation to a computer after a rocket launch. what is the distance to the rocket
asked on April 14, 2011 
Science
Expain how there can be more heat energy in an iceburg than in a pot of boiling water.
asked on December 14, 2010 
MATH
I'M IN 6 GRADE PLEASE EXPLAIN HOW TO RENAME FRACTIONS TO DECIMALS AS EASY AS YOU CAN You divide the fraction by the the number at the top by the number at the bottom and get a decimal For example 5  = 6 doesn't go into the 5 so we add a 0 and a point
asked on April 17, 2007 
prealgebra
please help!!!! how do I find three times the first of two consecutive integers is at least twelve more than four times the second. And to find the greatest possible integers.
asked on March 26, 2018 
prealgebra
can you please answer that problem
asked on November 30, 2017 
prealgebra
please help me to find the first five terms of the recursively defined sequence of this problem with steps, a1=3;an=6an1.
asked on November 1, 2017 
prealgebra
can someone please help me to writ an inequality for this wor problem? Mr.Kirkland receives $13/hr. for regular time (8hr./day) and double pay for working on holidays. He worked on Friday even though it was a holiday. If his week's pay was at least $650,
asked on October 18, 2017 
prealgebra
please help to specify what the variable stand for, write a equation and solve for this word problem. if ben buys 24 items at $3 each, how much change will he receive from a $100 bill?
asked on October 13, 2017 
Calculus
Knowing that F(2) = 7, F'(2)= 12, g(2)= 3 and g'(2)= 9, Compute: a) h'(2) if h(x)= f(x)g(x) b) h'(2) if h(x) = f(x) / g(x) c) h'(2) if h(x) = g(x) / 1+(f(x))^2 Show all steps
asked on February 3, 2017 
intergrals
find value of def integral with a=2 and b=2sqrt(3) definite integral is : x^3 * sqrt(x^2+4) dx for integral i get 1/15 *((4+x^2)^(3/2)) (8+3x^2) for value i get [1536 64sqrt(2)]/15 but its' wrong. help please
asked on May 26, 2013 
PHYSICS!!!!! HELP!
The velocity of a diver just before hitting the water is 8.6 m/s, where the minus sign indicates that her motion is directly downward. What is her displacement during the last 0.86 s of the dive? im so stuck. i tried this problem several times, and my
asked on September 28, 2010 
geog
sikh temples, muslim mosques thanks
asked on September 20, 2008 
Bio  Na+,K, and Cl leave a cell as a result of?
Na+, K+, and Cl leave a cell as a result of ? A) exocytosis B) pumps C) ATP D) a, b, and c
asked on November 28, 2007 
prealgebra
please help evaluate this problem with the steps. m/n +m/2p, when m=4/7,n=5/3,p=8/5
asked on November 30, 2017 
prealgebra
can you please show me the steps for this word problem? in need to write the inequality and solve. how long will Kenzie drive if she averages 55mph and wants to complete at least 440 mi. of her trip?
asked on October 19, 2017 
prealgebra
please help to write the inequality for this problem. the difference between a number and 10 is at most 27.
asked on October 19, 2017 
rf and elution
from a group of samples tested, is it true that the highest rf is the first the be eluted? If so, why is that?
asked on October 11, 2017 
rf factor and compounds
what does low and high rf factor mean, in compound polarity of its functional groups? Does having a certain kind of functional group increase rf factor, and some decrease? Can someone explain this to me please, with an example. Thank you :)
asked on October 11, 2017 
Grammar
I need to find a subject, verb and a object in this sentence. 1.Set a high value on spontaneous Kindness. Subject verb Object
asked on June 26, 2016 
Algebra I
How would I find an absolute value inequality which x is less than or equal to 6 or x is greater than or equal to 10?
asked on September 27, 2015 
Geology
Hi i'm looking for some help finding information on the topic of "mineral deposits"  specifically; where are Ontario, Canada's largest ones, what are they & how did they form? I'm having trouble finding enough research on this topic for my paper so any
asked on March 16, 2014 
3rd Grade
Casey has 10 olives to eat. She wants to have the same number of olives at lunch and at dinner. She wonders how many olives she should eat at each meal. Which number sentence fits this problem?
asked on January 23, 2014 
Integral
find indefinite integral [(sinx)^3]*[(cosx)^3] dx i got 1/192 * ((cos(6x)9cos(2x)) + C but this isnt right. explain plz? thnx
asked on May 25, 2013 
Chemistry
A 350 ml of gas at 1.25 atm and 298 K is heated to 343 K an the volume increased to 750.0ml. What is te new pressure?
asked on April 24, 2012 
physics
If a runner travels at a speed of 10 m/s for 5 seconds, stops for a short time then continues on at a speed of 8 m/s for 4 seconds. How long was the runner stopped for if his average speed at the end of the trip is 4 m/s.
asked on February 22, 2011 
Biology
Explain how the world would be different if C4 plants and CAM plants had not evolved.
asked on December 1, 2007 
Math
Two equal corcles intercept each other. Find the area of the overlapping region, if the radii of the circles are 10 cm each and the distance beten centers also equals 10 cm. How do i solve this? Thank u in advance.
asked on May 16, 2018 
Math
In a circle O, draw chord AB such that AB = r (r is the radius) find the length of theminor arc AB. (Tried drawing it, and it ended up having a 90 angle but it didn’t work. What do i do?)
asked on May 16, 2018 
prealgebra
please help me to find the diameter and the radius of a circle with the given circumference of 2 mi.
asked on April 30, 2018 
prealgebra
please help me to find the least possible consecutive odd integers such as that eight times the smaller one is at least 25 more than the difference of the two integers. I don't remember my teacher teaching this so please help me.
asked on March 26, 2018 
pre algebra
find a variable and writing and equation and solve. the hoe team scored 80 points and won by 19. How many points did the opposing team make?
asked on September 25, 2017 
Geology
Does anyone know where are Ontario's largest mineral deposits other than the ring of fire in the north? Thanks for the link Ms. Sue, still having trouble.
asked on March 16, 2014 
Number Sequences
Explain It. What do you need to do to extend a pattern?
asked on February 10, 2014 
Calculus antiderivatives
find an antiderivative of the function ((t1)^2)/sqrt(t) that goes through the point (1,2) i find derivative of top and bottom first and get 2t2/(1/2*sqrt(t)) but this doesnt give right solution then i find diervative of that again and i get 2/(1/4 *
asked on May 26, 2013 
integral calculus
find indefinite integral [(sinx)^3]*[(cosx)^3] dx i got 1/192 * ((cos(6x)9cos(2x)) + C but this isnt right. explain plz? thnx
asked on May 26, 2013 
integrals
find value of def integral with a=2 and b=2sqrt(3) for integral i get 1/15 *((4+x^2)^(3/2)) (8+3x^2) for value i get [1536 64sqrt(2)]/15 but its' wrong. help please
asked on May 26, 2013 
def integrals
find value of def integral with a=2 and b=2sqrt(3) for integral i get 1/15 *((4+x^2)^(3/2)) (8+3x^2) for value i get [1536 64sqrt(2)]/15 but its' wrong. help please
asked on May 25, 2013 
Physics [No Math]
When calculating weights away from Earth's surface, for example: At 6.38x10^3 km away from Earth's surface a spacecrafts weight is d=rE+rE Then F=(1/4)(SpaceCraftWeight) Why is the distance 2rE?
asked on December 2, 2012 
trigonometry
Find the magnitude of the resultant force and the angle between the resultant and each force: Forces of 2 lbs and 12 lbs at an angle of 60 degrees to each other.
asked on November 27, 2012 
Physics HARD
If an objects vbr is 6.32N/sc what is its mass? I'm so stuck...:((((
asked on November 19, 2012 
Math
How can you use rounding to estimate 331 + 193?
asked on November 13, 2012 
math
If alpha= 33.5degrees, a=7.4, and b=10.6, then what is beta to the nearest tenth of a degree.
asked on October 30, 2012 
math
(rewrite of prev question) If alpha=8degrees, beta=121degrees and c=12 then what is Y?
asked on October 30, 2012 
math
If a=8degrees, b=121degrees and c=12 units, then what is Y?
asked on October 30, 2012 
arithmetic
I am greater than 200 but less than 500. The sum of my digits is 18. the product of my tens place digit and my 100's place digit equal 20. What digit am I ???
asked on October 14, 2012 
trigonometry
verify the identity: (cosx/1+sinx) + (1+sinx/cosx) = 2secx
asked on October 11, 2012 
hcs588
What key measurments tools would you use to measure quality outcomes such as a reduction in patient falls, medication errors, complication rates? Why?
asked on September 1, 2012 
Statistics
2. Obtain and interpret descriptive statistics (Mean, Median, Variance, and Std. Dev.). Include the STATA outputs in your results. (Use Stat command “tabstat crimerat police59, statistics(mean, p50, var, sd)” (3 pts) . tabstat crimerat
asked on November 8, 2011 
CHEMISTRY RIDDLE!!!!
hi! i was just wondering if you could help me figure out this riddle!! im absolutely stumped!!! "Anger: an acid that can do more harm to the vessel in which it is stored, than to anything on which it is poured" is a quote attributed to Seneca, a Roman
asked on August 8, 2010 
algebra
Ok so ive gotten this far on finding the points of (2004, 3370) and (2007, 3552) can someone help me find out the equation in y=mx+b form please
asked on September 21, 2008 
year 7 music
explain ternary form what have played/sound in this structure thanks for your help!
asked on January 28, 2008 
Bioo // gateway for ions to enter and leave a cell
Gateway for ions to enter and leave a cell ... A) hydrophobic end B) hydrophilic end C) protein channels D) a, b, and c
asked on November 27, 2007 
geography
Whats a good site to go to get information about a county? The information is just the capital, culures, stats, basic information that's all. Thanks
asked on February 8, 2007

Chemistry
its 2.04 apex
posted on June 25, 2018 
math
Im starting to think they made a mistake in the question. I really think the right answer is 15
posted on March 17, 2018 
math
they cant jump diagonaly
posted on March 17, 2018 
prealgebra
that is where my problem comes in please help with that part with the steps
posted on November 30, 2017 
prealgebra
can you explain or show the steps
posted on November 6, 2017 
prealgebra
no it didn't help. can you do more
posted on November 5, 2017 
pre algebra
i need to write the first five
posted on November 2, 2017 
pre algebra
problem 2 and problem 3 is to write the first terms of the explicitly defined sequences. problem 2: a(n)=4n+2. and problem 3: a(n)=2(3)n1.
posted on November 2, 2017