
chemistry
An equilibrium is dynamic. true or false
asked by Marissa on December 17, 2014 
math
Given A={1,2,3} and B={2,{3}}. Determine whether each of the following statements is TRUE or FALSE. a) ∅ C B b) B C A c) {3} C A d) {2,3} C A e) {2,{3}} ∈ P(B) f)  P(B)  = 4 g) {0,1} c A
asked by roze on October 30, 2016 
geometry
if n is a prime number than n +1 is not . True or false
asked by jessica on September 8, 2011 
math
Determine whether the equalities are true or false. 1.√2 /2=√(10 /20) 2.√11 /24=24/√11 3.2/∛3=(2/√9)/3 4.1/√2 =√2 /2
asked by Andrea on April 3, 2018 
math (caculus limits)
If for every ε > 0 we can find a δ > 0 such that if 0 < x − a < δ then f(x) − L < ε, then we can say lim x→a f(x) = L. true or false?
asked by earl on October 2, 2016 
Science
Could you make sure I'm correct? What is true of the work of all scientists? scientists ask testable questions and devise ways to answer those questions through experimentation or observation
asked by Makenzie on August 19, 2014 
Math Check Pleas Thank You
1. Which of the following numbers is an example of an integer? 15 * 0.252525 . . . 3/5 (fraction) Square root of 7 2. Which statement is false? Every integer is a real number. The number zero is a rational number. Every irrational number is a real
asked by YOLO on September 16, 2015 
Algebre=Please check
Could someone check my answers for these two questions, please? What is the equation of the line which includes points (2,6) and (0,0) y = 3x+1 y = 3x y=3x ( my answer) y = 3x+1 Equation of line with slope m = 3 and including point (5,) is y =  3x+20 I
asked by Jackie on January 13, 2011 
statistics
do all populations micheline tires, voters, people with high blood pressue... produce a normal curve? True or False Is this false because all samples produce normal curves and not the populations, and don't you have to have a range of values and
asked by Sophie on November 21, 2008 
Science check
Water in the upper zones of the ocean will have more oxygen than water in deeper zones. true or false i think true.
asked by Danny on February 27, 2015 
Mental & Emotional Promblems
mental or emontional promblems may cause physical promblems True or False i put put true ,am im correct?
asked by Douglas on October 16, 2015 
chemistry
In order to determine the number of atoms in a compound, you must know the number of atoms in a representative particle of the compound. True False i think false
asked by Drew on November 10, 2012 
Social Studies
1. What do colonialism and imperialism both require? A. one country giving money to another B. 2 countries sharing resources** C. 2 countries working together D. one country ruling another country 2. What did West Africans trade to North Africans in
asked by Hannah on October 9, 2015 
Science
PLEASE CHECK MY ANSWERS!! I AM SOO FAR BEHIND IN THIS CLASS! 1. Which of the following describes the effect of high altitude on climate? Rain is very rare Flooding is more likely Temperatures are lower
asked by Kristen on November 21, 2018 
statistics
A multiple choice test has 20 questions with each having 4 possible answers with one correct. Assume a student randomly guesses the answer to every question. 1) What is the probability of getting exactly 9 correct answers? 2)What is the probability of
asked by please help me! on March 23, 2010 
geometry
True or false? a!(b!c!) = (a!b!)c! I think its true...?
asked by Jenny on July 1, 2010 
biology
True false I think it true
asked by Avi on October 2, 2007 
History
1) Which of the following best describes Affirmative Action? a) It was a way to fight corruption within the US government. b) The actions taken to instill new anti immigration laws. c) Of solving economic and educational discrimination. d) Of solely
asked by Rebecca on May 13, 2015 
chemistry
The acid dissociation constant, Ka, for this reaction is given by the following formula (this is also in your book): Ka=[H3O+][A−][HA] The acid concentration, [HA] is given in the introductory information of this problem. Using this information and your
asked by sarah on May 4, 2014 
science
Al + Fe^3+ > Al^3+ + Fe^2+ which substance is being oxidized?which is being reduced? which substance is oxidizing agent? reducing agent? how many electrons are exchanged in the reaction above? also: why is Fe^3+ not reduced to Fe? Oxidation is the loss of
asked by michelle on January 3, 2007 
Greece
4) THe Aegean Sea \occupies a graben, an area of land that has dropped down between two faults. True or False my answer: True 5) Mountans in Greece A) are densely populated B) make difficult travel C) have good farmland D) all of the above my answer: B 8)
asked by 12yearoldpoet on February 3, 2012 
math
A student takes a multiple choice quiz with 12 questions and 5 alternatives per question. Unfortunately, this student has no idea what any of the answers are, so he randomly selects an alternative for each question on the exam. Using this “blind
asked by jordan on September 24, 2015 
English
PLEASE HELP!!! Please check my answers!! I'm not sure about a few of them, but i marked the answers that I think are correct. 1. In Act IV of Romeo and Juliet, what is Friar Lawrence’s advice to Juliet concerning her parents’ wishes that she marry
asked by Becca on March 17, 2016 
To Corie
Do NOT post answers to other students' questions unless you are prepared to explain thoroughly. Simply giving away answers doesn't help anyone learn anything! Failure to adhere to this is a good way to get yourself on the banned list.
asked by Writeacher on February 6, 2013 
Chemistry
what element behaves as tghe oxidizing agent in the following equation and what element behaves as the reducing agent? sn2+ + 2Ag> sn + 2 Ag+
asked by Anonymous on October 9, 2011 
beginning chemistry
The problem says indicate the the number of sig. figs. that should be present in the answers to the following problem without solving the problem. 0.70 x 7.00 x 6.880= What is a sig.fig. and how can you find them without solving the problem? It doesn't
asked by Kimmi on September 19, 2007 
FinalChemistry
I have finals coming up in a week and a half. I know I should have started studying earlier, but I just had an exam in my chem class and was focused on getting the information for that exam mastered before I started studying for the final. Now, I'm
asked by Katherine on November 30, 2009 
english
Which of the following is NOT true of an intext citation? A basic intext citation consists of the source author’s last name and page to show the source of the direct quote The page number has the word “page” or “p.” before it. The intext
asked by Robb4301 on February 2, 2015 
Math
I'm having alot of problems with the problem. I don't want the answer but I need to know how to figure it out to get the answer. To put it in another way I don't know where to start. A farmer takes to market in her cart, but she hit a pothole, which knock
asked by NESSA on September 16, 2007 
Math
1. Does the graph represent linear relationship? Why or why not? 2. Are the slopes of the lines the same or different? How can you tell? 3. Is the statement true: Line P has a greater slope than line Q true false 4. How many solutions does this system
asked by Lilly on March 14, 2018 
7TH GRADE MATH
If the radius of a cylinder is 1.8 meters and its height is 7 meters, the volume of the cylinder is approximately 71.2 cubic meters...true or false I say false because shouldn't it be 71.2 cubic 3? Am I correct?
asked by Daniel on May 19, 2013 
Japanese langauge help
I have marked my answer with a â˜…, if I am wrong could you please give me the correct choice and explain if you will? I was really confused on these types of questions. Comparative sentences usually use the words: "ã»ã†" and "æ–¹"? True
asked by Kirito on January 14, 2014 
science URGENT so need help
PLS HELP ASAP True or False 1. If a 40 kg person is accelerating at 10 m/s2, then the magnitude of the force acting on him or her is 400 N. (1 point) true false Multiple Choice 2. How much force is needed to make a 60 kg object accelerate at a rate of 2.0
asked by TTR+S<3 on March 13, 2014 
Geography
What factors have proved Malthus' theory to be true? A. Cultivation expands arable farmland. B. Mechanization of agricultural production. C. Improved strains of seed are developed and more fertilizers are used. D. Famine, Drought, and Natural Disasters
asked by Geo on October 30, 2015 
Math
decide on a topic which is adding more clubs for which they would like to collect data and design a survey for school which could really be used to convince the principal to do. Create 57 questions for the survey.
asked by Emily on November 19, 2012 
Math
Hi! I need help with these two questions. Thanks! :) 1.) Can we multiply the Matrix A (which is 3 x 4 matrix) by the other matrix, Matrix B (which is 3 x 4 matrix)? True Or False? 2.) When we multiply the 6 x 3 matrix by the 3 x 1 matrix, the final matrix
asked by Emily on March 26, 2015 
college algebra
, for this problem f(x)=3x^26x7,what is the minimum value and where do it occurs, and what is this functions domain and range?
asked by mary on January 17, 2012 
Statistics
A paper manufacturer claims that fewer than 1 in 100 of its reels (2 ton rolls) of paper is flawed. A customer has just received a large shipment of these reels and proceeds to check a random sample of 600 of them for flaws. Of this sample, 14 reels are
asked by Jason L on February 26, 2007 
Career exploration
1. Information security professionals hack into computer systems. (1 point) True False 2. What kind of network might you have at home? (1 point) LAN WAN wireless intranet 3. Apps are designed by: (1 point) software developers. network administrators.
asked by Luna on December 11, 2018 
World history/ Latin America
Check my answers please?? i have a star by my answer. 1. The policy by which strong nations extend their control and influence over weaker territories is called? Socialism Imperialism Populism 2. This theory justified the use of racial, national and
asked by charlie on January 17, 2016 
english/essay writing help
Hello! So Im having trouble with my thesis statement for an essay. My teacher gave us three questions to answer and make the answers into a thesis statement. heres the questions and instructions: Does defining human worth based on shallow measurements,
asked by Erin on October 14, 2012 
History
1) How was Nixon appeal to Middle America a strategized? a) He tried aggressively to gain the majority of his support for protesters and aimed his campaigns towards them. b) He highlighted the salient issues that plagued and concerned many less outspoken
asked by Rebecca on May 13, 2015 
Probability and Stats
A student was totally unprepared for a multiplechoice test and had to absolutely guess the answer to every one of the 100 questions. About what score (percent) would you expect him to earn if there were four possible answers to every question? I'm not
asked by Bridget on October 25, 2016 
Geometry
Indirect Proofs Prove a triangle cannot have 2 right angles. 1) Given triangle ABC. 2) Assume angle A and angle B are both right angles is true by one of two possibilities (it is either true or false, so we assume it is true) This is my first time to do
asked by chica on November 18, 2010 
Mathstats
I am having so much trouble calculating Type 2 error in simple questions, can someone pleaseeeee help me by explaining what to do? Let ƒÊ denote the true average diameter for bearings of a certain type. A test of Ho: ƒÊ = 0.5 versus Ha: ƒÊ ‚ 0.5
asked by Franky on April 8, 2010 
Math: Calculus
Answer the following questions for the function f(x)=sin(x/4)^2 defined on the interval [12.266371, 2.241593]. Rememer that you can enter pi for as part of your answer. a.)f(x) is concave down on the interval ____. b.) A global minimum for this function
asked by NEED HELP!!!! on November 3, 2010 
AP physics
search "ap waves and sound free response questions answers" into google and click on the second one that pops up. answers are on the bottom of the page. question number 23 i don't understand why it is B.
asked by Anthony on April 12, 2017 
algebra
$2000 principal earning 3% compunded after 6 years? how do i solve this? i don't need answers i just don't know what the equation is.
asked by quesia on September 3, 2016 
Chemistry
Hi, Just have follow up questions to the previous questions asked dating Feb. 02, 2013 1. So the overall idea is that dissociation decreases molar mass and association does the opposite when a solute dissolves in a solvent. (How do you identify if either
asked by AhmadM on February 3, 2013 
Geography
1. Cuban illegal immigrants who actually make it to the USA will be....... A. Arrested and Deported B. Allowed to stay C. Sent to Puerto Rico D. Sent to Mexico E. Sent to Guantanamo Bay to be screened E? 2. All of the following are considered forms of
asked by Anonymous on November 28, 2015 
11th grade
true or false. if three points are coplanar, they are collinear
asked by candace on September 11, 2008 
chemistry
Is the following sentence true or false? The value of an error must be positive.
asked by Anonymous on September 22, 2016 
Geometry
The quadrilateral with these following vertices is a parallelogram. (4, 3), (2, 3), (4, 6), (4, 6) True False
asked by Dana on January 19, 2012 
English
is it true or false External motivation is not desirable
asked by Jenny on April 15, 2014 
statistics
A correlation of 0 always means there is no relationship between x and y true or false?
asked by Gee on September 18, 2012 
English
true or false all the words in could have been prevented are verbs.
asked by Cadence on August 27, 2015 
Math
The point (1, 1) is in quadrant IV. How to determine if this is true or false?
asked by rosie on January 24, 2011 
math
The function f(x)=(x2)^4 has an inflection point at x=2.It is true or false.
asked by Function on May 25, 2011 
Physics (HELP)
Lenses can be either converging or diverging. True False
asked by Anonymous on April 5, 2018 
Statistics
when two variables are correlated it means that one is the cause of the other. true or false?
asked by Anonymous on November 5, 2013 
physical science
true/false All units of energy are vectors.
asked by peter on May 23, 2011 
Precalculus
Does Sin^1(x)=Sinx? Is it true or false and explain.
asked by Mary on January 28, 2009 
Engish
True or false you can trust a dissembler? I do not understand it at all.
asked by Hannah on February 13, 2014 
basic programming
EVALUATE the following expressions NOT K OR L AND D + C = A NOT 3 OR 2 AND 12+12 = 7 D = true K = false C = ture
asked by Anonymous on April 12, 2015 
chemistry
the oxidation number of Mn in MnO4 is +4 (true or false)
asked by joanne on December 10, 2012 
chemistry
Most alcohols are very safe to ingest. True or False
asked by Sarah on December 6, 2014 
Math
Every Square is a rhombus. True or False? This one has me confused.
asked by James on January 11, 2011 
Science
Does the tilt of the earth changes throughout the year True or false
asked by Aye on February 14, 2018 
math
zeros are real number? true or false
asked by jen on June 22, 2017 
PreCalculus
True or false: P varies directly as Q can be written as P = kQ.
asked by Mariam on October 3, 2017 
Pharmacy
18. Every medication has a brand name and a generic name. True or False.
asked by TK on January 18, 2017 
Algebra 1A
Could someone solve this for me please? (3).(7)>(3)(4) and also determine whether the inequality is true or false.Thank you
asked by Don on October 4, 2009 
economics
complex models are always better than simple ones. true or false?
asked by Dan on June 17, 2008 
Physics
true or false.Initial velocity is always equal to zero
asked by Rose on November 29, 2015 
Maths
Can someone please help me with this please please 😯 An even function is symmetrical about the origin(true or false )
asked by Ezabel on April 25, 2016 
Math
how do you know whether an equation is true, false, or an open sentence?
asked by Angie on February 16, 2009 
motion and projection
Artifical satellites forever true or false.
asked by summer addison on February 17, 2009 
digital arts
sculpture is an example of preforming art true false**
asked by kendra on February 7, 2018 
physics
true or false only animals undergo respiration
asked by william on May 16, 2011 
Math
True or False. A quadrilateral with these following vertices is a parallelogram. (4,3),(2,3),(4,6),(4,6)
asked by Callie on January 20, 2012 
English
True or False according to al gore each of us is a cause of global warming
asked by HELP PLEASE!!! on October 25, 2017 
Spanish
True or False? Hospitals only perform surgeries.
asked by Kendra on August 12, 2012 
Life skills
A good leader is never a follower. True False
asked by Sara on June 8, 2015 
algebra
$6 for two pounds is an example of unit rate. True or False?
asked by Samantha on November 1, 2010 
College Math
True or false conclude the functions of F(x) + 2xsquared  2x +7
asked by Scott on December 12, 2011 
Calculus II
If {an} (a sequence) is decreasing and an > 0 for all n, then {an} is convergent. True/False?
asked by Ian on February 24, 2017 
algebra
percent means hundredth true or false?
asked by S on October 30, 2010 
Grammar
"Here" and "there" are never the subjects of sentences. A) False B) True I answered B
asked by Marie on December 12, 2012 
algebra. help!
Is 4x3=19 true, false, or open? Which of the following is a solution to the equation 16=4x4? a. 5 b. 4 c. 5 d. 16
asked by Hannah on September 24, 2014 
Algebra
The inequality 5 x  2 y + 1 > 0 is satisfied by point (2, 1). True or False?
asked by Devynn on December 11, 2014 
english
Object pronouns include you, she, he, it, and we. True False
asked by mary on February 2, 2012 
Science
True or False? Energy is measured in Newtons?
asked by Lola on March 23, 2016 
calculus
If f is continuous on [1, 1] and f(1) = 4 and f(1) = 3, then there exists a number r such that r < 1 and f(r) = π. Can this be true or false? Please and thank you
asked by sara on October 15, 2010 
it tesch
True or false: A data file can be used by more than one program.
asked by see on March 18, 2011 
Brains!
We construct memory after the fact. a) True
asked by Anonymous on July 31, 2017 
math
is it true a square is a rectangle? my ans is false
asked by susma on February 25, 2016 
language art
The verb may precede the subject. True False
asked by mahmoud on June 8, 2014 
algebra
true or false interest is an example of a linear equation
asked by Meredith Grey on March 26, 2015 
math
How many ways are there to roll out a 3 question True or False?
asked by kenny on September 12, 2015 
Math
True or false or conclude the functions f(x) = x squared  x + 7
asked by Scott on December 12, 2011