Questions Asked on
April 1, 2010

Math
An airplane's velocity with respect to the air is 580 miles per hour, and it is heading N 60 degrees W. The wind, at the altitude of the plane, is from the southwest and has a velocity of 60 miles per hour. What is the true direction of the plane, and what
asked by Hannah 
Chemistry
It takes 254 kJ/mol to eject electrons from a certain metal surface. What is the longest wavelength of light (nm) that can be used to eject electrons from the surface of this metal via the photoelectric effect? I'd appreciate it if someone could explain
asked by Anonymous 
Chemistry
Chromium (II) nitrate forms a hydrate that is 40.50% water by mass. What is its chemical formula? I just need to figure out how to do it!
asked by Lola 
Physics
If the speed of sound in air is 340 m/s, what is approximately the length of a shortest air column closed at one end that will respond to a tuning fork of frequency 140 Hz? Answer in units of cm.
asked by Aaron 
Physics
If the speed of sound in air is 340 m/s, what is approximately the length of a shortest air column closed at one end that will respond to a tuning fork of frequency 140 Hz? Answer in units of cm.
asked by Aaron 
Chemistry
(1) Which of the following clusters of orbitals would form the shape trigonal bipyramidal and would also be possible within the valence shell of an atom? a.) one d orbital b.) five d orbitals c.) five sp^3 orbitals d.) five sp^3d orbitals e.) five sp^3d^2
asked by Kirsten 
math
According to the Journal of Irreproducible Results, any obtuse angle is a right angle! Here is their argument.
asked by help 
math
6. The squares of an infinite chessboard are numbered as follows: in the first row and first column we put 0, and then in every other square we put the smallest nonnegative integer that does not appear anywhere below it in the same column or anywhere to
asked by trying 
Chemistry
If 50.0mL of 1.60M HCl was added to 50.0mL of 1.80M NaOH, calculate the molarity of the resulting NaCl solution. (Hint: resulting solution has a volume of 100 mL)
asked by Jen 
chemistry
how can you fill a flask with pure oxygen without mixing it with air
asked by Maria 
Calculus  another question
"Margaret has found that by a proper choice of gears she can steadily increase her speed on her bike. One day she sets out and, ten minutes later, she achieves her cruising speed of 30km/h by increasing her speed steadily. How far did she travel in that
asked by Stuck 
Chemistry
If 50.0mL of 1.60M HCl was added to 50.0mL of 1.80M NaOH, calculate the molarity of the resulting NaCl solution. (Hint: resulting solution has a volume of 100 mL)
asked by Michelle 
math
The tail of a giant kangaroo is attached by a giant rubber band to a stake in the ground. A flea is sitting on top of the stake eyeing the kangaroo (hungrily). The kangaroo sees the flea leaps into the air and lands one mile from the stake (with its tail
asked by tango 
physics(help me with the angle)
In the 1968 Olympic Games, University of Oregon jumper !@#$%^& Fosbury introduced a new technique of high jumping called the "Fosbury flop." It contributed to raising the world record by about 30 cm and is presently used by nearly every worldclass jumper.
asked by phys 
physics
A length of organ pipe is closed at one end. If the speed of sound is 344 m/s, what length of pipe is needed to obtain a fundamental frequency of 74 Hz? Answer in units of m.
asked by Aaron 
chemistry
The value of pKb for the base ethylamine (CH3CH2NH2) is 3.19 at 25°C, while the pKa for formic acid (HCO2H) is 3.74, also at 25°C. a) Calculate the value of the equilibrium constant Kc for the following aqueous equilibrium: HCO2– (aq) +
asked by mandy 
math
According to the Journal of Irreproducible Results, any obtuse angle is a right angle! Here is their argument. Given the obtuse angle x, we make a quadrilateral ABCD with DAB = x, and ABC = 90◦, andAD = BC. Say the perpendicular bisector toDC meets
asked by help 
math
Let’s agree to say that a positive integer is primelike if it is not divisible by 2, 3, or 5. How many primelike positive integers are there less than 100? less than 1000? A positive integer is very primelike if it is not divisible by any prime less
asked by chicken 
Chemistry
Which of the following electron configurations represent an excited state? 1s22s22p1 1s22s22p63s2 1s1 1s22s12p63s1 1s12s22p63p3 1s22s22p23d1 1s22s22p64s1
asked by Megan 
Chemistry
Rolaids once ran a national advertising campaign in which it claimed that Rolaids consumes 47times its own weight of excess stomach acid. Can this be true. (Assume that stomach acid is .100M HCl and that its density is 1g/ml. I have no idea how to go about
asked by Anonymous 
Algebra
Complete the square for the binomial. Then factor the resulting perfect square trinomial. x^2 2/11X
asked by Anonymous 
math
Show that there are no positive integers n for which n4 + 2n3 + 2n2 + 2n + 1 is a perfect square. Are there any positive integers n for which n4 +n3 +n2 +n+1 is a perfect square? If so, find all such n.
asked by help 
History
To what extent was the Progressive era (1870  1920) a unified movement of reform and change in American society? How efficiently did progressivism manifest itself in national politics on the federal level of government?
asked by Anonymous 
STATS
12 The number of cars sold annually by used car salespeople is normally distributed with a standard deviation of 19.22. A random sample of salespeople was taken and the number of cars each sold is listed her. 79 43 58 66 101 63 79 33 58 71 60 101 74 55 88
asked by Judy and group 
science
Five lines in the H atom spectrum have the following wavelengths in Ǻ: a). 1212.7, b). 4340.5, c). 4861.3 d). 6562.8 and e). 10938. Three lines result from transitions to the nf = 2. The other two result from transitions in different series, one with nf =
asked by Samantha 
College Chemistry
1) The concentration of the aluminum ion in a test solution is 0.10M. Using the Ksp for aluminum hydroxide (3. x 10^34), calculate the concentration of hydroxide needed to precipitate aluminum hydroxide. From the concentration of the hydroxide, calculate
asked by Zach 
math
A weight attached to a spring is pulled down 4 inches below the equilibrium position. Assuming that the frequency of the system is 8/pi cycles per second, determine a trigonometric model that gives the position of the weight at time t seconds.
asked by ame 
science
Five lines in the H atom spectrum have the following wavelengths in Ǻ: a). 1212.7, b). 4340.5, c). 4861.3 d). 6562.8 and e). 10938. Three lines result from transitions to the nf = 2. The other two result from transitions in different series, one with nf =
asked by Samantha 
Chemistry
The temperature of 100.0 mL of water was raised from 26.7 degrees C to 62.3 degrees C. How much heat in calories was added to the water? (The specific heat of water is 1.000 cal/g degrees C and the density of water at 26.7 degrees C is 0.996626 g/mL)
asked by Ally 
chemistry
What volume of 0.210 ethanol solution contains .44 mol ethanol?
asked by Anonymous 
Physical Chemistry
The presence of a catalyst provides a reaction pathway in which the activation energy of a certain reaction is reduced from 192 kJ·mol1 to 72 kJ·mol1. (a) By what factor does the rate of the reaction increase at 281 K, all other factors being equal?
asked by Mark 
Chemistry
The hydrolysis of sucrose (C12H22O11) produces fructose and glucose (each C6H12O6). Two mechanisms are proposed: I) Step 1: C12H22O11 > C6H12O6 + C6H10O5 (slow) Step 2: C6H10O5 + H2O> C6H12O6 (fast) II) C12H22O11 + H2O> C6H12O6 + C6H12O6 Would these
asked by Val 
physics
When I sing into a microphone, suppose I produce a sound intensity level (SIL) of 40 dB. If you can sing at 60 dB, what is the ratio of our produced sound intensities (yours divided by mine)?
asked by naomi 
Math157
A class elects two officers, a president and a secretary/ treasurer, from its 12 members. How many different ways can these two offices be filled from the members of the class?
asked by PDub 
math
Find a positive integer m such that 1 2m is a perfect square and 1 3m is a perfect cube. Can you find a positive integer n for which 1 2n is a perfect square, 1 3n is a perfect cube and 1 5n is a perfect fifth power?
asked by groove 
math
phyllis has 5 1/2 pounds of candy to use to make goody bags for a birthday party. if she puts 1/4 of a pound of candy in each goody bag< how many goody bags can she make?
asked by dominick 
CHEMISTRY
HOW MANY GRAMS OF ICE AT 5.2 DEGREES CELSIUS CAN BE COMPLETELY CONVERTED TO LIQUID AT 6.4 CELSIUS DEGREES IF THE AVAILABLE HEAT FOR THE PROCESS IS 441800kj,FOR ICE SPECIFIC HEAT IS 2.01
asked by LEBOHANG 
physics
A uniform 2.00mlong stick is raised at an angle of 30° to the horizontal above a sheet of ice. The bottom end of the stick rests on the ice. The stick is released from rest. The bottom end of the stick remains in contact with the ice at all times. How
asked by Sandhya 
College accounting
In order to provide snacks for guests on a 24hour basis, Night sign a contact with Snack Attack. Snack Attack will install vending machines with food and drinks and pay a 10% commission on all sales.Estimated payments are made at the beginning of each
asked by Armetrice 
Calc 2, Series/Sequences
Explain clearly in detail the difference of the summation of n=1 to infinity of 1/n^2; and the integral of 1/x^2dx with the limit of 1 to infinity, as well. Part 2: Explain the natures of the two expressions and explain why the summation is greater than
asked by Alex 
English lit
Have writers block. Need help with Julia Alvarez poem!? I have to write a 1000 word analysis of the Julia Alvarez poem "Ironing Their Clothes". I need help with a thesis. I have no idea what to write about! 1 year ago Additional Details With a hot glide
asked by Josh 
science
When I sing into a microphone, suppose I produce a sound intensity level (SIL) of 40 dB. If you can sing at 60 dB, what is the ratio of our produced sound intensities (yours divided by mine)?
asked by naomi 
STATS (PLEASE CHECK)
16To test the hypothesis H0 : ì = 100 against H1 : ì > 100, a statistics practioner randomly sampled T observations and found the mean x = 106 and the standard deviation sx = 35. The value of the test statistic is equal to (1) 1.1743 (2) −1.7143 (3)
asked by Judy and group 
math
I need help to get started with writing the equation for the following problem: It takes a freight train 2 hours longer to travel 300 miles than it takes an express train to travel 280 miles. The rate of the express train is 20 miles per hour greater than
asked by fiona 
Math
Find the value(s) of x, so that f’(x) = 0 for the function f(x) = 4x3 – 6x2 – 24x.
asked by David 
economics
This table shows the number of labor hours required to produce a digital camera and a bushel of wheat in China and South Korea. Digital Camera Wheat (bushels ) Quantity of Digital Camera Quantity of Wheat China 100 hours 5 hours 90 1800 South Korea 90
asked by Merna 
HISTORY
I am working on a paper for my college HIS class, I have found everything I need but am struggling finding information to answer one area..if someone could point me into the direction of some useful information, I would really appreciate it! : How was the
asked by Amanda 
roman numerals
1}The Romen numeral M represents: a.50 b.100 c.500 d.1000 2}The Roman numeral XLIX is written in Arabic numerals as: a.54 b.69 c.44 d.49
asked by catherine 
medical
for medical records how important should corrections be date and time stamped?
asked by Chira 
STATS
1Suppose that the fuel comsumption of cars for the same model is normally distributed. A random sample of ten new cars of the same model are randomly selected and their fuel consumption (l/100 km) is determined by subjecting them to a road test of 500 km.
asked by Judy and group 
MATH (CALCULUS) PLZ HELP
A common problem encountered by the oil industry is to determine the most costeffective route to connect various wells in an oil fertile area. The attached map is a copy of a section of a U.S. Geographical Survey contour map with a wetland area outlined.
asked by piper 
Physics
You observe an arti cial satellite orbiting the earth and estimate it is at an altitude h = [03] km above the earth's surface and has a mass m = 3500 kg. You wish to calculate when the satellite will be back in the same position. From the second law of
asked by Adrianne 
Communication Arts/Language arts
I stayed at home because I had an ear infection,and I got two assignments that I was confusedabout.It was Bug Graph #2, and#3.I think the directions tell me to connect the dots as I go, but it starts to look weird.It looks like there is a needle going
asked by Bennett 
Chemistry
Why is it important to use liquids with relatively lower boiling points when using the Dumas method?
asked by Help 
MATH
The number of accidents that occur at the intersection of Pine and Linden streets between 3 p.m. and 6 p.m. on Friday afternoons is 0, 1, 2, or 3, with probabilities of 0.84, 0.13, 0.02, and 0.01, respectively. Graph this probability distribution. What is
asked by Tyga 
Algebra
Give the vertex and axis of symmetry of the quadratic function. f(x) = x^2  2x  8
asked by Anonymous 
CALCULUS/DERIVATIVE
C(X)= 2.7X +4.7 SQRT OF [400^2 + (780X)^2]
asked by MILEY 
Math(Please check)
Find the cross product of the unit vectors. j X k My answer was i. Am I correct?
asked by Abbey 
Algebra
Describe what the graph of interval[4,10] looks like.
asked by Michelle 
MATHS>>>PLEASE HELP
find the maximum value of: 5+sinx3cosx and state the value of x for which this maximum occurs
asked by john peaterson 
algebra
simplify ^6 * ^2 ^ is sq root sign
asked by teri 
calculus
When air expands adiabatically (without gaining or losing heat), its pressure P and volume V are related by the equation PV^{1.4}=C where C is a constant. Suppose that at a certain instant the volume is 380 cubic centimeters and the pressure is 89 kPa and
asked by ujkk 
stats
8A bakery stated that the average number of breads sold daily is 3000. An employee thinks that the actual value might differ from this and wants to test this statement. The correct hypotheses are: (1) H0 : ¦Ì = 3000 H1 : ¦Ì not= 3000 (2) H0 : ¦Ì >
asked by Judy and group 
Chemistry
Can you please someone check my answer for me? I don't know how to start thses answer. Chemistry is not my things. Please give me answers. :( a)Determine the number of grams in 0.750 moles of the compound Iron(II)phosphate: Fe3(PO4)2. answer: 129.68grams
asked by Anonymous 
AED 204
I am stuck on the final paper for this class. I am not really sure what is expected. The directions don't make sense to me. o Assume that the cultural make up of your classroom includes at least five different ethnic and religious groups. o Address how and
asked by Tina 
calculus
A) How do you prove that if 0(
asked by Sarita 
MATH
Five numbers are to be picked, without repetition, from 44 numbers to determine the winner of the Fortune Five game in the state lottery. If the order of the numbers is insignificant, how many different ways can a winning quintuple be selected? What is the
asked by Moonpie_17 
Math 157
A ship carries exactly 10 different signal flags. If each possible combination and ordering of 4 of these flags connotes a specific message, how many signals can be sent with these flags, taken 4 at a time?
asked by Ty 
Burning Candle experiment
What is the role of the wick in the candle? Is the role of the wick just to hold the flame of the candle? More information would be appreciated, thanks. Also, How does it help keep the candle lit? does it burn?
asked by Sara 
science
One reason carbon monoxide (CO) is toxic in that it bind to the blood protein hemoglobin more strongly than oxygen does. The hemoglobin – CO bond absorbs radiation of 1953 cm–1, which are in units of wavenumbers. Wavenumber is defined as the reciprocal
asked by Johannie 
social studies
can someone help me with a website to creat a timeline tracking the following major theme/paragism shifts in American history from World War I through the end of Worldx War II 1945
asked by Dellaine 
STATISTICS
A statistics practitioner formulated the following hypothesis: H0 : ¦Ì = 200 against H1 : ¦Ì < 200 and learned that x = 190 n = 9 and ¦Ò = 50. The pvalue of the test is (1) 0.6 (2) 0.2743 (3) 0.7743 (4) −0.2743 (5) Cannot be found with information
asked by Yumna 
Help me think of ideas for my essay?
My thesis statement for my synthesis essay to connect The Grapes of Wrath, The Great Gatsby and The Death of a Salesman is "It is impossible to maintain honor and also achieve success." Could anybody give me any ideas for my 3 body paragraphs I'm having
asked by Emily 
math
The triangular numbers are the numbers 1, 3, 6, 10, 15, . . .; the square numbers are the numbers 1, 4, 9, 16, 25, . . . The pentagonal numbers 1, 5, 12, 22, 35, . . .. The geometrical language is justified by the following diagrams: a. What are the first
asked by jeep 
Calculus
"Find the antiderivative of f(x)= (2x)/((x^2)+1)." I understood how to do it with just a number as the numerator, but I can't figure it out with x in the numerator..
asked by Stuck 
Health
Dr. Bob is preparing to operate on Sally for an immediately lifetreatening condition. just before the begins the operation, he discovers that she is 17 years old. Her parents, with whom Dr. Bob has never discussed the operation, are in the waiting room of
asked by Daliz 
Chemistry
If you have the q cal of a reaction, then obviously you can convert to q chem by negating your q cal. But what if you need to get to q rxn (q of the reaction)? Also, my textbook is claiming that the q rxn = (q sol + q cal). How does that figure into this?
asked by Fred 
CALC (TANGENT LINE)
1show that 1x/2 is the tangent line approximation to 1/ sqrt of 1+x near x=0 2what is the local linearization of e^x^2 near x=1 3find the tnagent line approximation of 1/x near x=1
asked by MILEY 
physics
A baseball is thrown at 88 mi/h and with a spin rate of 1500 rev/min. If the distance between the pitcher’s point of release and the catcher’s glove is about 61 feet, estimate how many revolutions the ball makes between release and catch. Neglect any
asked by Sandhya 
Science
Using a " Cause and effect map" illlustrate a rapid and slow change caused by molten rock and it's effect on Earth's surface and write a detailed description how molten rock found below the Earth's crust can cause change to Earth's surface and it's
asked by Uzair Amin 
science
The question was if John is smaller than Jason and then pushes Jason to the ground, then who is exerting a force?.
asked by sam 
MATH 157
On a TV game show, the contestant is asked to select a door and then is rewarded with the prize behind the door selected. If the doors can be selected with equal probability, what is the expected value of the selection if the three doors have behind them a
asked by Tyga 
MATH157
How many batting lineups of the nine players can be made for a baseball team if the catcher bats first, the shortstop second, and the pitcher last?
asked by Tyga 
math
4. For the curve with y = 2x3 + x  6, find: (b.) the gradient at the point (1, 5) (c.) the equation of the tangent line at the point (1, 5).
asked by David 
Accounting
I am so confused on how to answer this question given from my instructor. I see many websites that pertain to present value. Is there an explanation somewhere on the internet that would help explain? I googled the question and found"Net present value 
asked by Highly confused 
Web application development JSP
Below is the following jsp code for a homework assignment im working on. Im allow four input text fields in which a customer can enter the amount of each fruit they want to buy, a submit button, and a reset button. After a customer placed an order, a page
asked by Clac7724 
geography
I am doing project about Japan.On the section of Government/historyI have to find and write about taxes I searched but did not find anything talk about taxes .Can you help me please? thank you
asked by marie 
MathGeometry
The volume of a right circular cone is 150 pie cubic centimetrs. Find its altitude in centimeters if the radius of the base is 5cm.
asked by Sam 
MATH/DERIVATVE
C(X)= 2.7X +4.7 SQRT OF [400^2 + (780X)^2]
asked by MILEY 
Precalculus(URGENT)
solve the problem 2xcubed17xsquared+31x+20 given that 5 is a zero of f(x)= 2xcubed17xsquared+31x+20 you can use lobng division or synthetic division
asked by Arielt Help now fast due tommorow 
help plz
2}select the best definition for the word senile. a.preeminent b.priority c.old age d.clear
asked by catherine 
medical
when the computer service bureau destroys or erases records, should the erasure be verified by the bureau to the physician?
asked by Lois 
math
Two boys divide a profit of $36 in the ratio of 5:3. How much does each boy get?
asked by Nicki 
medical
should individuals and organizations with access to the databases be identified to the patient?
asked by Lois 
health
Does the AMA ethics opinion mention encryption as a technique for security?
asked by Daliz 
Biology
4. Does the following set of coordinations make a horizontal, vertical, or diagonal line when connected with a straight line? (4, 5) (2, 5) 5. Positive slope indicates a _____ process. a. steady b. gaining c. losing d. slow A? 6. The m in the equation y=
asked by mysterychicken 
medical
in regard to electronic medical records (EMRs), what is the policy for disclosing authorized data requested by third parties?
asked by Daliz 
subcategory
Which of the items below is NOT a subcategory of change effected through similitude? a.emotional b.degeneration c.operational d.symbolic
asked by catherine 
Health
Paula Patient doesn't want her violent boyfriend to know she's getting an aboution, so she asks Dr. bob to send all communications to her to a post office box and to phone her only at work. What should Dr. Bob do, and what is the legal basis for your
asked by Daliz 
Biology
What is the habitat and # of living species of: 1.single celled protozoa 2.joint legged arthopods 3.back bone chordates
asked by Jillian 
Medical/law
Paula Patient's attorney asks Dr. Bob for medical records about Paula's car accident and promises to provide a written authorization from Paula later. Dr. Bob gives the attorney Paula's entire file, including her records about treatment for HIV. Did Dr.
asked by Lois 
science
i need a good website about the civilian prehospital experience
asked by jerson 
Law and Medecine
what is contrast contributory negligence and comparative negligence? and what is the diference between them?
asked by Chira 
Law and Medicine
If HIPAA rules are stricter than state law, which standard should you follow and why? What if the state law was stricter?
asked by Chira 
Law
What is the subject matter jurisdiction of federal courts?
asked by Lois 
chemistry
I have a molar mass for a condensed vapor: 95.935 g/mol. What are a few of the potential identities of the unknown liquid from which the condensed vapor came from?
asked by Hannah 
Medical
At what point during the course of treatment of a new patient should notice of use and disclosure of health information, required under HIPAA, be given and why?
asked by Daliz 
Chemistry
X(g) + 2 Y(g) + 2 Z(g) >3 M(g) + 2 N(g) I've already found the orders for the following to be: X is 2nd, Y is 1st, Z is 0 and overall of course is 3. But I am confused about the below question. I initially guess that No it doens't occur in one step..but
asked by Val 
business
Which financial ratios would you consider most useful? Would these ratios be different than the ones you would consider useful as an investor? Why or why not?
asked by samuel 
Math
Find the length of v. Inital point of v = (1,3,4) Terminal point of v = (1,2,2) Please help. I am not sure how to start! Thank you.
asked by Abbey 
senile
the process by which senile now is used for the negative aepects of old age is called: a}functional change b}degeneration c}specialization d}abstraction
asked by catherine 
HSM 270
I really need someone to explain this question to me please! Brainstorm ideas for alternative funding for the program you selected from Appendix B. Search the Internet or contact local human services organizations for ideas on obtaining nontraditional
asked by So confused 
3rd grade
one dividend in my fact family is 18 one of my divisors is twice one of myquotients what three numbers are in my fact family
asked by melissa 
social studies
what is the time period for kush,hebrews and egyptian
asked by kayla 
social studies
where were kush,hebrews and egyptian located
asked by kayla 
algebra
how do you find an area for a pentagonal prism
asked by person 
Accounting
I was just wondering if I was doing this right. In my accounting class we are studying furture value. I was wondering if I was doing this one right... if I was to figure out $5000 that was compounded quartery at 6% for five years, how much would that be. I
asked by Susie 
Math(Urgent Please help)
Find the area of the parallelogram that has the vectors as adjacent sides. u = i + 2j + 2k V = i + k I know that the magnitude of the cross product results on the area. After I do the cross product then what to I do?
asked by Abbey 
English vocabulary
what is dissimilation ?
asked by catherine 
Chemistry
Why is it important to use liquids with relatively lower boiling points when using the Dumas method?
asked by Jen 
Math(Please help)
Find the length of v. Inital point of v = (1,3,4) Terminal point of v = (1,2,2) Please help. I am not sure how to start! Thank you.
asked by Abbey 
algebra
6 over x to the 10th times x to the 17th over 51
asked by bob 
algebra
6 over x to the 10th times x to the 17th over 15
asked by bob 
chem
is HC2H3O2 a strong or weak acid
asked by Stephany 
chemistry(check my answer)
A. lower than the freezing point of the solvent alone because higher temperature is required to accelerate solvent molecular motion enough to overcome obstructon by solute particles.. B. higher than the freezing point of the solvent alone because higher
asked by phys 
Chem
What is the PH of 0.0100M H2SO4?
asked by CC 
Math
Find the length of v. Inital point of v = (1,3,4) Terminal point of v = (1,2,2) Please help. I am not sure how to start! Thank you.
asked by Abbey 
English
Let's say 7:15, in front of the theater. (What is the use of 'Let's say'? Can we say 'Let us say' instead ? When do we use 'Let's say'?))
asked by rfvv 
Literacy
How teacher help students remember information.
asked by Anonymous 
stats
if we reject the null hypothesis, we conclude that:
asked by Anonymous 
chemistry
How many millimoles of H+ are present in 1.00 L of 1.24 M CF3CO2H solution?
asked by andy 
algebra 2
are these answers right? 1. ã121 = iã11 2. 2ã144 = 2iã144 = 2i*12=24i 3. ã75 = i=ã75 = iã5sq*3 = 5iã3 4. 5ãã27 = 5iã27 = 5iã3sq*3 = 15iã3 what about 5. ã6 * ã2 = ??
asked by teri 
bobpursley
like what are the steps to getting into a hospital is what prehospital means
asked by jerson 
marketing
Select at minimum 3 major types of tests (examples include cognitive abilities, motor and physical abilities, personality & interests, and achievement tests, work sampling, etc) and discuss the legal and ethical implications you see with each test. What
asked by Tammi Seibert 
science
why are the hydrogen atoms in a water molecule are attracted to Cl− ions in sodium chloride (NaCl)?
asked by libby 
math
I've to solve 3x^2 + 6x +3 =0 by factoring. Thus, after solving I got the answer as 3(x + 1)^2. Please correct me if I'm wrong.
asked by bindiya farswani 
Algebra 2
Can someone help me with this?? Simplify... ã45 x ã20 = is it?? ã45*20 ã900 3ã30
asked by dan 
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 by PDub 
Math 157
The game of dots is played by rolling a fair die and receiving $1 for each dot showing on the top face of the die. What cost should be set for each roll if the game is to be considered a fair game?
asked by Moonpie_17 
Algebra 2
Thanks Reiny How ado I simplify? (3iã5)^
asked by dan 
MATH157
In each case, determine whether the situation calls for a discrete or continuous random variable and explain your answer. a. The description of the number of children in a family selected at random from families in Ft. Wayne, Indiana b. The net worth of an
asked by Tyga 
Math
The mean systolic blood pressure of adult males is normally distributed with a mean of 138 (millimeters of mercury) and a standard deviation of 9.7. What percent of adult males have blood pressure between 161.28 and 164.9?
asked by PDub 
MATH
Battery Power Problem. A certain type of thermal battery for an airplane navigation device backup power has a mean life of 300 hours with a standard deviation of 15 hours. What proportion of these batteries can be expected to have lives of 322 hours or
asked by Ty 
biology
how do some cells become brain cells and others become skin cells when the DNA in all of the cells is exactly the same
asked by m 
Math
fill in the missing digits in as many ways as possible so the number will be divisible by 6. 3_2_
asked by Lisa 
statistics
Find the critical value zc necessary to form a confidence interval at the given level of confidence. a. 90% = 1.645 b. 85% = 1.8025
asked by looking for someone to varify my work please 
math
how many bases are in a sphere?
asked by Jared 
MATH157
How many 4digit license plates can be made by using the digits 0, 2, 4, 6, and 8 if repetitions are allowed? if repetitions are not allowed?
asked by Tyga 
science
One reason carbon monoxide (CO) is toxic in that it bind to the blood protein hemoglobin more strongly than oxygen does. The hemoglobin – CO bond absorbs radiation of 1953 cm–1, which are in units of wavenumbers. Wavenumber is defined as the reciprocal
asked by Johannie 
Burning Candle experiment
what is the shape of the candle flame? To me it looks kind of like a leafmore like a teardrop. Am I correct? where does the wax from the candle go? Does it just burn in the flame?
asked by Sara 
english
i need a composition on why should boys hav all the fun!!!500 words
asked by sadia 
business law
Lucy, who owns a saloon, entered into a contract with Beauty Sdn Bhd, a manufacturer of shampoo, for the purchase of 300 boxes of 'high quality, super shining shampoo'. When the product was delivered, Lucy found the shampoo to be very poor quality and
asked by Erikson 
business
What are identifing fallacies
asked by com 205 
Economic
What happens As the price of a resource decreases?
asked by Jeniffer 
math
Let U = {xƒ}x is an American}, C = {x/x is a smoker}, D = {xƒ}x has a health problem}, E = {xƒ}x is a male} Describe a person who is an element of each of the following sets. Describe a person who is an element of each of the following sets:i) C (ii)
asked by Jamie 
Precalculus(URGENT)
determoine whether the equation defines y as a function of x y= the square root of(3x6) please please show work
asked by Arielt Help now fast due tommorow 
math
Consider a rectangular array of dots with an even number of rows and an even number of columns. Color the dots, each one red or blue, in such a way so that in each row half the dots are red and half are blue, and also in each column half are red and half
asked by new 
geometry
The Perimeter of a rectangle is 600. The length of the rectangle is 2 more than 3 times the width. How do i turn this into an equation without solving it?? Please and thank you!!
asked by Miss J. 
9th grade
solve for x: z+xyz=w
asked by michael 
Math
Line m is perpendicular to plane A. how many planes can contain line m and alo be perpendicular to plane A? I think it my be infinite?
asked by Becky 
Precalculus(URGENT)
solve and graph the inequality using interval notation (x4)/(x+8)
asked by Arielt Help now fast due tommorow 
Precalculus(URGENT)
compute the discriminant of the equation.What does the discriminant indicate about the kinds of solution? 7xsquared=2x5
asked by Arielt Help now fast due tommorow 
medical confidentiality
when should the patient be advised of the existence of computerized databases containing medical information about the patient?
asked by chira 
confidentiality
when should the patient be notified of purging of archaic or inaccurate information?
asked by Daliz 
HSM/210
A SOCIAL POLICY THAT MAY AFFECT YOUR FUTURE POSITION AS A HUMAN SERVICE WORKER
asked by SUZIE 
medical
when should the computerized medical database be online to the computer terminal?
asked by Lois 
help plz
1}select the correct division of the word quadrliateral into its preefix,base,and suffix. a.quadrilateral b.quadrilateral c.quadrilateral d.quadrilateral
asked by catherine