
Calculus (pleas help!!!)
Please answer the following questions about the function f(x)=e^(0.5x^2) Instructions: If you are asked to find x or yvalues, enter either a number, a list of numbers separated by commas, or None if there aren't any solutions. Use interval notation if
asked by Catherine on April 5, 2011 
Calculus (pleas help!!!)
Please answer the following questions about the function f(x)=e^(0.5x^2) Instructions: If you are asked to find x or yvalues, enter either a number, a list of numbers separated by commas, or None if there aren't any solutions. Use interval notation if
asked by Catherine on April 5, 2011 
Chemistry
4 questions! I put stars next to the answers I think are right. . In the following reaction, how many moles of FeO are needed to react completely with 1.6 mol of Al? 2Al (s)+ 3FEO (s)> 3FE (s)+Al2O3 (s) 1.2, 1.8*, 2.4, 3.0 What is the maximum number of
asked by CHEM HELP on January 8, 2019 
Statistics
Dear Lee, Please confirm these answers to this question. your medical terminology instructor listed the following grades for the class out of a 75 point test: 33,34,43,45,45,54,55,59,60,62,64,66,67,68,67,68,68,69,70,70 a.find the 90th percentile b. your
asked by Ben on November 3, 2013 
Science
What is relative humidity? What is Absolute humidity? What is Specific humidity? But can you give me an answer a paragraph long each thanks a lot! Or just answer 1 or 2 of my questions I will take any answer!! P.S Thank you so much for your help!! What is
asked by Stephanie on January 8, 2007 
Science
I have a science project du and im trying to look for a problem on why the sky is blue. I know that why the sky is blue is a question but i cant find the actuall "problem" The sky is blue because of Rayleigh scattering. I know of no problem with that fact.
asked by Jack on March 7, 2007 
math
Can someone please help me with this math problem. My teacher is looking for me to show my work, but I don't how to solve the problem to show my work. Please help!!! The problem is 2 1/2 + 3 1/4 + 3 5/8. Thank you for your help.
asked by adore001 on August 24, 2010 
penn foster world history
see ive passed Foragers,farmers,and Builders (exam 007678) & The Axial Ages And Fitful Transitions (exam 007679) but i failed Contacts,conflicts,and The Crucible (exam 007680), Convergence,divergence,and Global Enlightenments (exam 007681), Frustrations Of
asked by Adrianna on October 6, 2011 
Physics repost
A magnetic field has a magnitude of 1.2 103 T, and an electric field has a magnitude of 5.9 103 N/C. Both fields point in the same direction. A positive 1.8 µC charge moves at a speed of 2.9 106 m/s in a direction that is perpendicular to both fields.
asked by Mary on September 29, 2007 
College Algebra
Problem: In certain signal detection problems (e.g. radar or sonar) the probability of false alarm (FA) (i.e., of saying that a certain signal is present in the data when it actually is not) is given by: ∞ pFA = ∫ _______1_______ x^p/21 ex/2 dx η
asked by Anonymous on November 20, 2010 
physics
(1 pt) Which of the following statements is true? (Give all correct answers, i.e., A, C, AE, ABCD . . .) A) An object with a constant speed can not accelerate. B) When the velocity is constant, the average velocity over any time interval can not differ
asked by Anonymous on August 8, 2018 
Chemistry
1. A gas initially at 10 C must be changed to _____ C to triple the pressure. 2. When a student plotted ln [vapor pressure of a gas] vs. inverse Kelvin temperature, she obtained a straight line with a slope equal to 20000 K. According to the Clausius
asked by Joan on April 23, 2009 
Algebra
How would I complete this problem? Geometry. The area of a rectangle of length x is given by 3x^2 + 5x. Find the width of the rectangle. I think the width is 3x+5 but not sure. Subjects Art Business Computers English Foreign Languages Health Home Economics
asked by Loreal on June 5, 2007 
Math
Rachel answer 20 out of 25 questions correctly on her science test what percent of the questions did she answer correctly
asked by Ciara on February 17, 2017 
MATH HELP ASAP
For questions 1–4, find the slope of the following graphs. 1. a. 1/2 b. 2 c. 2 d. 1/2 2. a. 3/2 b. 1 c. 1 d. 3/2 3. a. 2/3 b. 3/2 c. 3 d. 2/3 4. a. 0 b. 1 c. 1 d. undefined For questions 5 and 6, find the slope of the line that goes through the
asked by Anon on May 4, 2016 
Q&A Check Please, science 7th grade
An impulse is sent from the motor neuron to a(n) _____. sensory neuron? In the part of the inner ear called the cochlea, receptors convert sound vibrations into nerve impulses. true? Involuntary actions are controlled by the ____. spinal cord? The
asked by rawr... im a dinosaur.... rawr on November 9, 2012 
Managerial Economics
Antitrust authorities at the Federal Trade Commission are reviewing your company’s recent merger with a rival firm. The FTC is concerned that the merger of two rival firms in the same market will increase market power. A hearing is scheduled for your
asked by Roger on October 31, 2010 
Chemistry
What mass of calcium citrate, Ca3(C6 H5 O7)2, would a tablet manufacturer need to use to provide the same amount of Ca that you found in your tablet? (show calculations) The mass of Calcium for the experiment was .7374g We assumed that any solid that
asked by Chris on October 17, 2016 
Physics/Math
For the vectors a = (3.9 m)i + (4.8 m)j, and b = (5.4 m)i  (2.0 m)j, give the x and y components, magnitudes, and directions of the following vector operations. (a.) a + b ______(x component) ______(y component) ______(magnitude) ______° (direction from
asked by TechnoBoi11 on January 27, 2007 
question+ stuck
how is the graph of f(x)= x^24x be used to obatin the graph of y=g(x)? I am stuck and unsure how to get out of this one so can you please help? thanks! You must define g(x). Is g(x) the inverse function of f(x)? well the function f(x)= x^24x has two
asked by bob on September 7, 2006 
math
Which three options are true about the quadratic equation?? y= 4t^2 + 16t + 18 A. The graph has a minimum. B. The graph of y crosses the horizontal axis at t = 10 and t = 20. C. The equation 4t^2 + 16 + 18 = 6 has one real solution. D. The function has a
asked by jojo on April 30, 2007 
organizational behavior
describe a motivational problem at work a. Briefly describe the problem situation b. use a theory of motivation to explain the problem c. use the theory to describe an intervention/action to change the motivational/behavior.
asked by charlotte on November 11, 2008 
english
is this a good introduction What is it about America that people from different countries want to come here even if it means illegally? Maybe it’s because America is the” land of the free”, according to Key S. (1814), The national anthem. Truly the
asked by melissa on June 18, 2008 
Biology
When infected with certain bacteria or viruses our bodies produces a fever. Fevers occur when the hypthalamus changes its temperature set point. Signaling of the hypothalamus could be direct (from infectious agent itself) or indirect (from the immune
asked by cece on March 2, 2010 
English
Please correct me if I'm wrong on any of this thanks! From the words below supply the words that complete the sentences. Sumptuous, Homogeneous, Surreptitious. A. Despite their many differences, the population was a HOMOGENOUS group that, at bottom,
asked by Anonymous on April 5, 2014 
chemistry
The redox reaction below occurs in acidic solution. Balance it with the smallest whole number coefficients and determine the coefficient for H+. MnO4(aq) + HNO2(aq) > Mn2+(aq) + NO3(aq)
asked by Megan on October 31, 2008 
BIOLOGY 109
The myelination of central and peripheral axons occurs rapidly through the first few yrs, how can this development process explain the inproved motor abilities of infants and toddlers?
asked by kim m on March 7, 2011 
Chemistry
Balance the following equations for a half reaction that occurs in a acidic solution A) ClO3 > Cl2 B)H2BO3 >BH4 C) MnO4 + HNO2 >NO3 +Mn2+
asked by Anonymous on November 19, 2012 
science
write balanced equation showing the reaction occurs when lead is added to a solution containing a mixture of aqueous silver nitrate and copper(ii)sulfate
asked by saeed mohmoud on December 31, 2016 
Science
Carbon dioxide, ethanol, and energy are the products when anaerobic respiration occurs in oxygen*** in the presence of nitrogen in yeast cells in an animal cell
asked by Nikki on May 1, 2017 
science
Which of the following is something you should do after severe weather occurs?  clean up flood waters ***  stay away from windows  create a family safety plan  invite friends to see the damage
asked by tay on April 13, 2016 
Science
An echo occurs when a sound wave bounces off a smooth surface and travels back in the same direction it came. This is an example of A. Reflection. B. Refraction. C. Scatter. D. Absorption. Is the answer A? Thanks
asked by Callie on February 18, 2015 
chemistry
The following redox reaction occurs in basic aqueous solution. When balanced with the smallest whole number coefficients, what is the coefficient for OH(aq)? Mn(OH)2(s) + MnO4(aq) = MnO42(aq). 1. ) 2 2. ) 3 3. ) 4 4. ) 6 5. ) 8 the answer i got was
asked by edward on November 8, 2009 
chemistry
The following redox reaction occurs in basic aqueous solution. When balanced with the smallest whole number coefficients, what is the coefficient for OH(aq)? Mn(OH)2(s) + MnO4(aq) = MnO42(aq).  after doing the question i got 1..but i don't know if im
asked by John on November 7, 2009 
physics
Given a slab with refractive index n=1.33 and incident light striking the top horizontal face at angle i.The maximum value of i for which total internal reflection occurs is:
asked by Manu on March 20, 2016 
Chemistry
What is the reaction that occurs at a silver anode of a voltaic cell? (Include statesofmatter under the given conditions in your answer.) I got: Ag(s) > Ag^{2+}(aq) + 2 e^ But my hw program isn't accepting this. What am I doing wrong?
asked by Anonymous on April 12, 2018 
BIOLOGY/ A & P
The myelination of central and peripheral axons occurs rapidly through the first few yrs, how can this development process explain the inproved motor abilities of infants and toddlers?
asked by kim m on March 7, 2011 
SOC203
ALL BUT ONE of the following effects occurs as a result of warfare: (Points : 1) diminished social programs. motherchild bonding. literacy decline. political restructuring.
asked by PAT on February 24, 2013 
physics
A corner reflector made from a triangular prism with index of refraction n = 1.65 is shown in the diagram. What is the maximum angle of incidence, θ, such that total reflection occurs?
asked by morgan l on January 8, 2012 
Finance
Rebecca is 25 and considering going to graduate school so she sits down to calculate whether it is worth the large sum of money. She knows that her first year tuition will be $52,000, due at the beginning of the year (that is, right away). She estimates
asked by SANTANU GHOSH on December 24, 2018 
Chemistry (Dr.Bob222)
The halflife of P32 is 14 days. How long after a sample is delivered can a laboratory wait to use a sample in an experiment if they need at least 10 percent of the original radioactivity? I need help on how to set up this problem. What is the general
asked by K on November 7, 2013 
PHYSICS
Hi! I have some questions from a study guide in my physics class, and they give me the answer, but I have to show how to get the answer. I did most of them, but need help with these. Here is problem #7: A 30 kg ball is launched at an angle of 15 degrees
asked by Anna on March 7, 2013 
Ion Charge & Formulas of Ionic Compounds
Can you please take a look at my questions. Thank you very much. 1.classify the law of definite proportions. In specific proportions, A type of compound always contains the same elements. Is this good? Any other info would be greatly appreciated. 2.how do
asked by Sara on April 20, 2010 
Stats
A game is played where a biased coin is flipped. A head is twice as likely as a tail. It costs $5 to plat the game and if a head occurs you win &7 but if a tail occurs you pay $3 which of the following is correct? The game is fair The expected valve of net
asked by Varonica b. Miller on April 12, 2013 
math
kylie answered my question but did not go into detail how to solve the problem. Here's the problem I need help with. Given two numbers whose sum is 56. Six times the larger is 72 more than 5 times the smaller. Find the numbers. I need to know step by step
asked by Traci on February 23, 2013 
Chemistry
Metals yield at a stress much lower than those calculated on the basis of their bond strength alone. This is explained by the presence of defects. Identify the principal defects responsible for this observation. A)Grain Boundaries B)Interstitial Metal
asked by Odesa on November 29, 2012 
chemistry
Our bodies bring in carbohydrates, proteins, and fats as fuel and then we exhale carbon dioxide and water. what type of reaction allowed out bodies to turn fuel into energy to support life? What ,if any is the problem with this classification? It is a
asked by Anonymous on February 20, 2018 
math
Please help solving this problem. Solve the following word problem: One poll reported that 48% of city residents were against building a new stadium. The polling service stated that the poll was accurate to within 3%. What is the minimum percent of city
asked by bindiya farswani on April 6, 2010 
Math
I need help on two problems I would like if you went step by step with the problem with me and then let me figure out the answer. If, Tonya and Toya have $15.25 together and Tonya had 25 cents more than Toya, how much does each have? Second question: Bruce
asked by hip hop chic on August 29, 2005 
7th grade LA help asap!!?
Hi, can someone check my answers asap!!?? Questions 13 correspond to "Should Naturalized Citizens Be President?" 1. Matthew Spalding thinks that the naturalborn clause should be kept because (1 point) the Constitution is clear about the importance of the
asked by TTR+S<3 on January 15, 2014 
math
matt thinks that all the values of x and y that absolute value   would make this statment true x+y= x+y if x is 5 and y is 6 then replacing x and y for the values would look like this: x+y=5+6= 11=11 x+y= 5+6=5+6=11 Is matt a
asked by kayla on November 9, 2010 
Chemistry
Thanks to Dr. Bob for answering all these questions! I always do poorly on conceptual problems. Consider the following equilibrium system at 25°C and select the true statement below: H2PO4−(aq) + SO42−(aq) ↔ HSO4−(aq) + HPO42−(aq) ΔG°rxn > 0
asked by Richard on February 27, 2017 
To regular teachers
In trying to help Margie with algebra, it required intensive, stepbystep process. It would certainly be alot more efficient if there were a way to provide instant messaging in a situation like this. Is there a way via your site to communicate with
asked by DanH on October 14, 2006 
finance
You have purchased a house and have obtained a 30year, $ 200,000 mortgage with an interest rate of 10%. What is your annual payment? Assuming you bought the house on January 1, what is the principal after one year? ten years?
asked by Anonymous on August 9, 2010 
Technology
Is the principal of the printing press still active in today's modern, hightech society? Also, would our democratic institutions have been impossible to develop without the mass circulation of knowledge that the printing press enabled?
asked by Abby on April 9, 2008 
physics
Find the distance on a flat screen between the principal image and the second order bright fringe for red light(wavelength=664nm)if there are 900 slits per centimeter and the screen is 2.75 meters from the slits.
asked by ML on April 20, 2014 
chemistry
Select all true statements from the following: a. ) Metals are good conductors of heat and electricity. b. ) Nonmetals generally react by forming covalent bonds (i.e. sharing electrons) or by gaining electrons to form anions. c. ) Halogen atoms have the
asked by Vishnu on October 4, 2008 
HCR 210
I have an assignment for week 4 in HCR210 due Sunday. We are to interview small, mediumsized and large medical facilities and ask 13 questions regarding medical/patient records. There are no facilities in my area willing to disclose any information for
asked by Cathy on May 24, 2010 
hcr 210
I have an assignment for week 4 in HCR210 due Sunday. We are to interview small, mediumsized and large medical facilities and ask 13 questions regarding medical/patient records. There are no facilities in my area willing to disclose any information for
asked by anastasia on April 14, 2010 
HCA 2220
You are an office manager working in an orthopedist office. You are responsible for filling out the insurance billing forms and processing any denials. While reviewing the denials, you find they are in fact billable services. The issue is a lack of
asked by University of Pheonix on October 25, 2012 
Langauge
Underline the complete compound predicate. Circle the verbs.. 1/ Millworkers peel logs or cut boards. Complete pradicate: peel logs or cut boards. Verb: peel 2/ truckers load the boards and deliver them. C.p: load the board and deliver them. V.: load 3/
asked by Nnh on October 26, 2014 
human resource
1. Regulations governing the employeremployee relationship are based on agency law and failure of an employee/agent to act according to the employer's instructions could result in liability for the employer. 2. Misclassification of employees as
asked by nicole on February 11, 2012 
statistics
MBA604 Statistics Assignment 1 Part 1 1) (5 pts) An electronics company is about to launch a new product. If the serial number for each piece produced has the following format: LLNNN where L stands for any letter in the English alphabet and N is a number
asked by austin on July 12, 2013 
statistics
MBA604 Statistics Assignment 1 Part 1 1) (5 pts) An electronics company is about to launch a new product. If the serial number for each piece produced has the following format: LLNNN where L stands for any letter in the English alphabet and N is a number
asked by austin on July 12, 2013 
topics wrting in english
. in one of the periodic publications of the country, whose language is studied, you read article about the liquidation of zoos in the large cities. You converse with your friends: 1) describe to them about that read, say, what the title of article was; 2)
asked by prince on December 31, 2006 
calculus
false
asked by Anonymous on April 14, 2014 
Science "HELP"!
Passage:The particles of matter are in constant motion. The energy of motion is called kinetic energy, so the particles of matter have kinetic energy. As matter becomes warmer, its particles move faster. As a result, their kinetic energy increases.
asked by #FreeGucci on April 15, 2016 
Cultral Diversity
I am doing a project for my cultral diversity class and I am having a hard time finding the answers to the following questions: I am doing my project over Chinese Americans. 1. •Identify and describe which, if any, of these creation and consequence
asked by Samantha on December 10, 2009 
english
I need to create a tale, which the principal topic is summer. Im not sure what kind of tale i can write about summer
asked by Jack on July 10, 2015 
biology
identify what all organic compounds have in common,and list the four principal classes of or organic compounds
asked by steven on September 23, 2009 
statistics
In hypothesis testing, why are verbal problem statements converted to numerical problem statements? Why is it important to identify the parameter when converting a problem statement from verbal to numerical? Why do a null and alternative hypothesis have to
asked by pebbles on March 11, 2010 
statistics  can someone please Help me
I have tried for days to figure out how to work this problem. Please help show me how to find the answer. A particular radioactive isotope decays from 210 mg to 182.7 mg in 15 days. Find the half life of the isotope. I can not find any problem that is
asked by Tina on March 10, 2015 
thermodynamics
Which of these statements are in accord with the three laws of thermodynamics? AThe entropy of the universe never decreases BA nonspontaneous process can occur if it is coupled to a process which is sufficiently spontaneous CThe temperature of the
asked by anonymous on April 29, 2007 
Chemistry
Calculate the final concentrations of the following aqueous solutions after each has been diluted to a final volume of 25.0 mL: a. 3.00 mL of 0.175 M K^+ b. 2.50 mL of 10.6 mM LiCl c. 15.00 mL of 7.24 * 10^2 mM Zn^2+ the answers are A) 0.0210 M Na^+, B)
asked by Anonymous on September 28, 2017 
Math
Please Check My Answer I don't know if they are right or wrong and if they are wrong can u give me the correct answers. ? Thanks PS: The answers are the * one's. 1) 2/3 = 12/x x= 18 x= 12 x= 36 x= 8 **************** 2) 6/11 = 84/x x= 40 ************** x=
asked by sandy on November 7, 2013 
Math check
Complete the square: x^2 12x. Which of the following is the correct perfectsquare trinomial? the answers are: a.) x^2 +22x+121 b.) x^2 10x+25 c.) x^2 20x+44 d.) x^2 12x+36 This is tough because the answers could be a.) b.) and d.) I am not sure which
asked by Shawn on November 9, 2008 
Math Check
Hi! Can someone check these two answers? Thanks! Directions: Find the correct number of solutions for the following system of equations. 1.) 5x  3y + 2z = 3 2x + 4yz = 7 x  11y + 4z = 3 2.) 2x + y 3z = 4 4x + 2z = 10 2x + 3y  13z = 8 A.) One
asked by Gigi on March 6, 2015 
stats
Cushman and Wakefield accounting that the average annual rent for office space in Tampa was $17.63 per square foot. A real estate agent selected a random sample of 15 rental properties (offices) and found that mean rent was $18.72 per square foot and s=
asked by chris on April 13, 2013 
Precalc/Trig
I don't understand how to do these problems: Find two pairs of polar coordinates for each point with the given rectangular coordinates if 0 ≤ θ ≤ 2π. Round to the nearest hundredth, if necessary. 17. (2, 3) Answers: (3.61, 5.30) and (3.61, 2.16)
asked by Heather on January 21, 2015 
math
f(x) = 0 if x
asked by Robina on February 6, 2015 
Math
can you help me with the homework that I am doing right now that is math 4th grade work.Also I need the answers 16/36 We can help, but we wont provide answers. You have to work for them. bobpursley on Tuesday, January 16, 2007 at 7:12pm in response to
asked by Nakia Johnson on January 16, 2007 
Algebra 2
Please help me solve and find the excluded values for this problem. Also please show me the work for this problem I want to learn! h(x)=x^29/x^24x+3
asked by Omar on March 28, 2014 
math
In this problem the letters x and y are each one digit numbers. Compare x+y O 19? Do I put any number for x and y ? please help. Your answer was no but how do I do this problem?
asked by ann on September 22, 2010 
math
the problem is 500= 1  1  X 2 Your presentation of the problem is unclear. Please repost. If you mean "X squared," that is indicated by "X^2." I hope this helps a little. Thanks for asking.
asked by evelyn on August 20, 2006 
finance
can someone help me with this problem for this problem you will use 0.02/365 for your interest. You deposit $1000 at 2% for 20 years, compounded daily.
asked by tanya on September 17, 2013 
math
In this problem the letters x and y are each one digit numbers. Compare x+y O 19? Do I put any number for x and y ? please help. Your answer was no but how do I do this problem? I'm sorry, I mean ,or =. Thank You for your help.
asked by ann on September 22, 2010 
math
Write a real world problem that you can solve by writing an equation . The answer to the problem must be 6
asked by marcus on September 20, 2010 
math
write a real world problem that you can solve by writing an equation.the answer to the problem must be 6.
asked by LAKSHMI on October 8, 2014 
Math
Use the discriminant to determine how many realnumber solutions the equation has. Problem 1 w2  2w + 2 = 0 A) 2 B) 1 C) 0 Problem 2 1  7a2 = 7a  2 A) 2 B) 1 C) 0
asked by Sharee on August 5, 2010 
Algebra 2 (Quadratic Equations)
Is the point (3, 2) a solution of the intersection of the following set of quadratic equations: Y < X^2 X^2 + Y^2 < 16 I'm not sure how to actually work this problem out. Can anyone help me with this problem please.
asked by Greg on April 18, 2012 
4th grade math
Estimate. Then record your product using partial products. 4,247 x 5 (problem 1) (problem 2) 245 x 3
asked by Anonymous on October 23, 2013 
Maths
Solve the problem  How many three digit numbers do not contain a five? Show evidence of solving the problem in a systematic way.
asked by Jo on September 17, 2016 
algebra
problem 1 Life expectancy of man 73.7, in 2002 it was 77.5 years since 1995 E(t) ? t+? E (11)= ? problem 2 14m+5n5m7n
asked by Diane on January 7, 2011 
unit rates
Problem 1. 209 km. in 5 hours Problem 2. A soccer player scored 41 goals in 84 games
asked by Shelby on March 12, 2009 
6th grade english
In a mystery story, the conflict is given a new name. What is it? Climax, Resolution, Problem, or All of the above? My choice is problem, am I correct?
asked by ☻i♥zee☻ on March 15, 2012 
College Algebra
I need help factoring a problem and cant seem to get it right. The one I'm stumped on is 2x^2+7x+2. I have to compute as indicated and write final in the lowest terms. The whole problem is x^27x18/x^26x27*2x^2+7x+2/2x^2+5x+2
asked by Kristen on January 13, 2013 
6 grade math
I need help with these two problems if someone can explain the steps thank you Use a generic rectangle to find each product Problem 1: 3 and 1/6 × 2 and 1/2 Problem 2: 1 and 1/3 × 1 and 1/6
asked by Unknown1 on March 2, 2017 
Maths
Solve the problem  How many three digit numbers do not contain a five? Show evidence of solving the problem in a systematic way.
asked by Jo on September 17, 2016 
Algebra 2
The absolute value of 4x>14. Is this a disjunction or a conjuction?I know I already asked this question but I don't kow how to tell if this is an and problem or if it is an or problem.
asked by Christian on January 14, 2008 
Algebra 2
Please help me solve and find the excluded values for this problem. Also please show me the work for this problem I want to learn!F(h) = x^29/x^24x+3
asked by Omar on April 3, 2014