Questions Asked on
May 10, 2010

Calculus
How many critical points does the function f(x) = [(x2)^5][(x+3)^4] have? A. 1 B. 2 C. 3 D. 5 E. 9  Ok, these are my thoughts on this question: My impulse was to do derivative of the function. However, if I'm going to set the function equal to zero to
asked by Nikki 
chemistry
How much heat is evolved when 1258 g of water condenses to a liquid at 100.°C?
asked by samantha 
CHEMISTRY!!/science
A mixture of CO2 and an unknown gas was allowed to effuse from a container. The carbon dioxide took 1.25 times longer than the unknown gas to escape.Which of the following gases could the unknown one be Choices A: Cl2 B: CO C: HCl D: H2 E: SO2 I am going B
asked by ANDY 
chemistry
The density of 3M solution of NaCl is 1.25 g/mL. Calculate the molality of the soution.
asked by varsha 
statistics
Assume the body temperatures of healthy adults are normally distributed with a mean of 98.20 °F and a standard deviation of 0.62 °F (based on data from the University of Maryland researchers). a. (0.1 point) If you have a body temperature of 99.00 °F,
asked by Nathan 
chemistry
A 0.010 M solution of a weak monoprotic acid is 3.0% dissociated. What is the equilibrium constant, Ka, for this acid?
asked by darali 
Physics
An archer applies an average force of 200 N to draw the bow string back 1.3 m. a)How much work did the archer do on the string? b)How much mechanical potential energy is stored in the stretched bow? c)How much kinetic energy does the arrow have before it
asked by Adrionna 
math
if two dice are rolled 360 times, approximately how many times should you expect a sum of 7
asked by tk 
CHEMISTRY!!
Which of the following is NOT a postulate of the kinetic molecular theory? A; the average kinetic energy of the particles is directly proportional to the absolute temp. B;the forces of attraction and repulsion between the particles are insignificant C:the
asked by Andy 
Chemistry
What is the equilibrium constant for the reaction: HCOOH(aq)+ OH (aq) HCOO(aq)+ H2O(l) Ka= 1.7 * 10^4 Kb for the conjugate base= 4.9 * 10^11 Thank you!
asked by Molly 
quimistry
How many grams of chromium are needed to react with an excess of CuSo4 tp produce 27 g Cu?
asked by dmaris 
CHEMISTRY
Ammonia and gaseious hydrogen chloride combine to form ammonium chloride. NH3(g) + HCl(g) = NH4Cl(s) (balanced) If 4.21 L of NH3(g) at 27 C and 1.02 atm is combined with 5.35 L of HCl at 26 C and 0.998 atm, what mass of NH4Cl will be produced? Which gas is
asked by dkfdsfdsf 
statistics
Using the 689599.7rule. Assume that a set of test scores is normally distributed with a mean of 100 and a standard deviation of 20. Use the 689599.7 rule to find the following quantities: a. percentage of scores less than 100 b. relative frequency of
asked by Christine 
chemistry
A 4.30 g nugget of pure gold absorbed 293 J of heat. The initial temperature was 23.0°C. What was the final temperature?
asked by brett 
biology
a) Explain why the kneejerk reflex still functions in a person with a severed spinal cord. b) Why is there no sensation of the stimulus?
asked by CL 
Accounting
Physicians practicing in Eastern University’s hospital have the following compensation agreement. Each doctor bills the patient (or Blue Cross Blue Shield) for his or her services. The doctor pays for all direct expenses incurred in the clinic, including
asked by Tony 
Marketing
9. The annual planning at Century Office Systems, Inc. had been arduous but produced a number of important marketing initiatives for the next year. Most notably, company executives had decided to restructure its productmarketing team into two separate
asked by BABI 
Chemisrty
Calculate the moles of aluminum ions present in 250.0 g aluminum oxide
asked by Sam 
Data Management
A lottery has one $1000000 prize, two $50000 prizes, ten $1000 prizes, and two hundred $50 prizes. There are to be one milllion tickets sold. How much pofit does the lotto company make if they sell the tickets for $2.00 each?
asked by Madmazel 
CHEMISTRY!!
Can someone check my answer please: Magnesium metal(0.100 mol)and a volume of aqueous HCL that contains 0.500 mol are combined to react to completion. how many litres of hydrogen gas (measured at STP) are produced choices: 4.42 11.1 22.7 2.27 5.53 I like
asked by Andy 
World History
What weaknesses made the League of Nations an ineffective force for peace in the 1920s and 1930s?
asked by Jameisha 
World History
how did the scientific and technological revolutions of the 1920s help set the stage for transportation in the United States today?
asked by ARTHUR 
Chemistry
What is the net ionic equation for the ionization of HClO3 in water?
asked by Doug 
algebra
How many sets are subsets of set B? List the subsets of set B. Which are proper subsets? B= {1,2,3,4,5} would it be 5 subsets (1 for each number? the subsets would be 1,2,3,4,5 not sure about a proper subset
asked by Kristi 
Grammar
Jesus Christ died to save the world. Are the verbs died and save because it shows the actions that he did or just one of them?
asked by Carlos 
Greatest Common factors
I don't know these answers. Can you help me? Greatest common factor in 1.6y^29y+18. 2.4x^2y7xy 3. 30a^3b40ab^3 4. factor out greatest common factor in 4x^212x+20 5. x^4y6x^3y6x^2y 4 and 5 are factoring out the greatest common and 14 is finding the
asked by Ales1 
English
i need a palindrome for: old cats who are forgetful (2 words), a hippie with no name would say ( 3 words), Bright male goats ( 2 words) and Shiny rodents ( 2 words)
asked by Kiaha 
Physics
How many excess electrons does an object with a total charge of 1.0 x 10exp9C have on it? This is approximately the amount of charge involved in commonly encountered static electricity.
asked by Nina 
chemistry
Can you please check if I came up with the right answer for this please. A 4.30L container had 55.10 moles of N2O4 added to it. When equilibrium was established the concentration of N2O4 was found to be 1.69M.What is the Kc for the following reaction?
asked by Andy 
Physics
How many electrons must be removed from an object to leave it with a charge of 2.0 x 10 exp10C? This is a small though not neglible static charge.
asked by Nina 
Intermediate Algebra
How would I figure out this math problem? (a video game was $49.95. The price dropped to $45.50. what was the percent of decrease.)
asked by Andy 
Chemistry
Calculate the moles of aluminum ions present in 250.0 g aluminum oxide
asked by Sam 
statistics
Bellevue Hospital in New York City uses 100.6 °F as the lowest temperature considered to indicate a fever. a. (0.1 point) What percentage of normal and healthy adults would be considered to have a fever? : b. (0.1 point) Does this percentage suggest that
asked by Annie 
investing
Discount Sales sells some used store fixtures. The acquisition cost of the fixtures is $12,500, the accumulated depreciation on these fixtures is $9,750 at the time of sale. The fixtures are sold for $4,500. The value of this transaction in the Investing
asked by mb 
Social Studies
I'm doing an ABC book for Medieval words, and I need to do one for the letter Z. I found the word Zupan, but I'm not entirely sure on the definition, and how I can illustrate it. So can anyone give me some help on the word Zupan, or suggest any other
asked by Lea 
history
the political system in which the citizens are likely to have the most immediate influence on their government is a? 1)direct democracy 2)representative democracy 3)aristocracy 4)constitutional monarchy 5)dictatorship
asked by kayci 
Data Management Probability
A toy manufacturing company that 5% of there toys are defective. A quality control person checks 50 toys. a) What is the probability that there will be exactly two defective toys found? b) How many defective toys would quality control expect to find?
asked by Almaasak 
physics
The potential energy stored in the compressed spring of a dart gun, with a spring constant of 36.00 N/m, is 0.880 J. Find by how much is the spring is compressed.
asked by Ben 
Algebra
Write the expression 3X^12+20X^6+6 in quadratic form.???
asked by None ya 
Grammar
Adam and eve lived in the garden of Eden. What are the verbs in this phrase.
asked by Carlos 
chemistry
The density of 3M solution of NaCl is 1.25 g/mL. Calculate the molality of the solution.
asked by varsha 
algebra
What is the volume of a box whose length is 122x, width is 72x, and height is x. l*w*=height 12*7=84 2x=84 x=42 Is this right, check for me please
asked by Keaton 
Math
A rectangle is 3 times as long as it is wide and has the same perimeter as a square whose are is 4 sp.ft. larger than that of the rectangle. What are the dimensions of both the rectangle and the square?
asked by Gabby 
Physics
calculate the force between two identical charges of 1.0 x 10 exp 9 C separated by 1.0 Cm
asked by Nina 
math
A polyhedron has 15 vertices and 31 edges. How many faces does it have?
asked by KiKi 
statistics
A usu today survey foudn that of the gun owners surveyed 275 favor sticter gun laws. The survey involved 500 gun owners. Test the claim that a mojority( more than 50%) of gun owners favor stricter fun laws. use .05 significane level
asked by ds 
science
compare and contrast a latent virus and an active virus. Give an example of each.
asked by mrs.bieber 
geography
Germany and France are located next to eachother. What geographic advantages do they have in common that would help their economies prosper? what geographic features might create differences in their economies?
asked by melissa 
science
For the following reaction if the reaction temperature was increased would the equilibrium shift to the right or the left,not shift at all,or you cant answer the question because Keq is not given? 2SO3(g)2SO2(g)+O2(g)..(deltaH degrees =198kj) Why???
asked by Andy 
Chemistry
A steel container of oxygen has a volume of 20.0 L at 22 C @35 atm. What is the volume @ STP? How many mol of oxygen are in the container?
asked by Jane Smith 
statistics
Which of the following statements are correct? a. a normal distribution is any distribution that is not unusual b. the graph of a normal distribution is bellshaped c. if a population has a normal distribution, the mean and the median are not equal d. the
asked by Christine 
Physics
Calculate how far and apart two indentical charges of 1.0 C must be in order for the Coulomb force between them be less than 500 N
asked by Nina 
math
thirtysit people are registered for an evening class. if twice as many men as women are registered for the class, how many men are registered? 1)24 2)18 3)12 4)6 5)not enought information
asked by Anonymous 
Math
What is 4.85 divided by 5
asked by Gary Lee 
CHEMISTRY
At what temperature does a 16.3 g of nitrogen gas have a pressure of 1.25 atm in a 25.0L tank? Plz show me step by step how to do this, with using pressure as atm.
asked by ~anonymous 
Geometry
Please Someone Help!!! Find the coordinates of a point on the unit circle corresponding to a 36 degree angle rotation. Find the coordinates of a point on the unit circle corresponding to a 115 degree angle of rotation. Find all angles between 0 degrees and
asked by MEGGG!!! 
math
a fence post a 4foot shadow at the same time that a tree next to it cast a 64foot shadow. how tall os the tree? a)66 b)70 c)74 d)78 e)not enought information is given
asked by morgan 
math
an appliance salesman receives a commission of 15% of all sales. last week he sold a refrigerator priced at $755,a dishwasher priced at $450, and a range priced at $535. what is the total commission he earned for the week? 1)$26.10 2)$104.40 3)$116.00
asked by morgan 
geology
What are the major differences between topographic and geologic maps? • Refer to Figure 9.21 on p. 264 of the text. How would you determine the slope of the land surface in this figure? If you consider building a house in a location in this area, what is
asked by Anonymous 
math
A total of 129 players entered a single elimination handball tournament. In the first round of play, the top seeded player received a bye and the remaining 128 players played in 64 matches. Thus 65 players entered the second round of play. How many matches
asked by austin 
physics
The potential energy stored in the compressed spring of a dart gun, with a spring constant of 36.00 N/m, is 0.880 J. Find by how much is the spring is compressed.
asked by Ben 
math
a triangle has three internal angles. one angle measures 37 degrees another one measures 67 degrees. how many degrees does the third angle measure? 1) 28 2) 34 3) 76 4) 256 5) not anought information is given
asked by michael 
math
if patrick can paint a wall in 40 minutes, what part of it can he paint in 1/2 hour? 1/4 1/2 2/3 3/4 4/5
asked by robyne 
Algebra
3x^431x^2+28=0 Solve the equation??
asked by None ya 
CHEMISTRY
Dr Bob Can you confirm please Given a cylinder of fixed volume filled with one mole of Ar gas,which of the following is CORRECT? (assume that all gases obey the ideal gas laws) A: if the cylinder temp. is changed from 20 to 25 deg.C the pressure will
asked by Andy 
language arts
unscamble the letter to find the name of a mall trrlnematitanaaon
asked by mathew 
Business statistics
1(a)Let Y have a binomial distribution with parameters n and p. We reject Ho: p=1/2 and accept H1: p>1/2 if Y>=c. Find n and c such that the probability of a Type I error is .10, and P(reject Ho/p=2/3)=.95. (b)What is the probability of a Type II error?
asked by John 
statistics
Using the 689599.7 rule: Assume that a set of test scores is normally distributed with a mean of 100 and a standard deviation of 20. Use the 689599.7 rule to find the following quantities: Suggest you make a drawing and label first… a. (0.1 point)
asked by Rose 
Math
A manufacturer produces certain devices. The fixed cost of production is $2000. The first unit produced cost $2 and the cost per unit increases by 20 cents or each additional unit produced. What is the total cost C of producing x units?
asked by Tim 
Statistics
A population has a mean of 200 and standard deviation of 50 and simple random sample size of 100 and x is used to estimate u. What is the probility that the sample mean will be within plus or minue 5 of the population mean?
asked by Vroni 
science/chemistry
Qc for the following chemical reaction 3CIO2(aq)2CIO3(aq)+Cl(aq) Choices A:3[CIO2]/2[CIO3][Cl} B:2[CIO3][Cl]/3[CIO2] C:[CIO2]^3/[CIO3]^2[Cl] D:[CIO3]^2[Cl]/[CIO2]^3 I like B: what would you go for?? thanks all
asked by Stuck 
Chemistry
What is the molar mass of a solute if 62 g of the solute in 125 g of water produce a 5.3 molal solution?
asked by Anna 
chemistry
How much heat is evolved when 269 g of ammonia gas condenses to a liquid at its boiling point?
asked by samantha 
chemistry
How much heat is evolved when 269 g of ammonia gas condenses to a liquid at its boiling point?
asked by brett 
english
Do your homework before applying for any job. if you rewrote the sentence beginning with (Be sure that you) the next words would be? 1)got done your homework 2)got your homework done 3)had done your homework 4)did your homework 5)have done your homework
asked by Anonymous 
math
use the method of Gauss to find the sum. 2+4+6+...+300 is it 300(300+2)/2 = 45300
asked by Meghan 
chemistry
when you hold a hydrogen filled pipet bulb horizontally with its mouth about 1 cm from a falme while gently squeezing what would you observe? a. the flame goes out b. a gentle pop and the flame may have been blown out c. the flame got bigger d. nothing
asked by grace 
LIB
Which of the following areas is covered by a treaty prohibiting nuclear arms being deployed there?
asked by tammy 
Physics
(a) calculate the energy in joules put out by a 9.0 V calculator battery that moves 3.0 C of charge through a handheld calculator after 1 hr of operation. (b) calculate the energy put out by a 12.0 V car battery that moves 1000 C of charge (as it may when
asked by Nina 
math
together two designers have to make 31 dresses in a month. janet has to sew 5 more dresses than her partner, chris. how many dresses does janet have to make? 13 18 23 26 36
asked by Anonymous 
math
a newborn infant usually tripples its birthday weight by its first birthday. baby carter weighed 28 pounds on his first birthday. if this were tripple his birth weight (b), which equation below could be used to determine his birth weight? 1)b/3=28 2)b3=28
asked by Anonymous 
history
the army overthrows the civilian government in the nations capital. the chief of the army staff takes control of national policymaking suspending the free press and the elected assembly. the type of political system now in control is a? 1)direct democracy
asked by kayci 
English
Can you check if everything is OK? Thank you very much for your invaluable help. 1) You mustn't bully your friends. 2) You mustn't disturb the lesson. 3) You must forge your parent's signature in your school report. 4) Are you going to be tested in history
asked by Franco 
science chemistry
what is the rate of reaction, if rate of consumption of iodide is 2.130x10^5? 5I(aq)+IO3(aq)+6H+(aq) 3I2(aq)+3H2O(l)
asked by pookie 
Englishplese hepl
I am reliable dishwasher seeking for a position of dishwasher where I can use my previous dishwashing experience for a leading restaurant. Is correct sentense??
asked by raj 
accounting
Cash Management Matrix For each principle in the matrix,describe how the principle ensures the reliability of a company's financial statements and provide at least one example of how the principle might work in a real company. Principles of Internal
asked by Tony 
physical science
which of the following properties of light support the wave theory; existence of photons, can be reflected, can be refracted?
asked by sue 
chemistry
when I bubbled Alka selzer into limewater I believe all I saw was small bubbles form. is that correct and why? if not what should I have observed.
asked by grace 
Chemistry
What mass of Zn will be dissolved in 10 mL pH=2 HCl solution? Zn + 2HCl> ZnCl2 + H2
asked by Kelly 
chemistry
what is observeed when carbon dioxide was bubbled into bromothymol blue? a. the color of the solution changed from greenish to yellow color. b. the solution turned cloudy c. the color of the solution changed from yellow to colorless d. a precipitate formed
asked by grace 
Algebra
I need to make an algebra problem using a cake with the measurements 12 inches by 16 inches and 3 inches thick. There were also 30 guest there and half of the cake was left. I also need the concept being used.
asked by Beth 
English
Can you please tell me which is the best choice? I really hope you can have a look at it today. Thanks a lot! 1) He's going to take his car to a mechanic ( or mechanic's?) 2)How are the different pilgrims presented and what are the main themes covered in
asked by Franco 
Alegebra
0.000042/0.0084=2 Scientific notation. DIvide. My answer is 2 is this right.
asked by Keaton 
science/chemistry
The van der waals equation incorperates corrections for the ideal gas laws in order to account for the properties of real gases. one of the corrections accounts for 1:The kinetic energy being inversly proportional to the temperature 2:The possibility of
asked by Puzzled 
chemistry
Write the equilibrium expression Qc for the following: 3CIO2(aq)2CIO3(aq)+Cl(aq) Choices: 3[CIO2]/2[CIO3][Cl] 2[CIO3][Cl]/3[CIO2] [CIO2]^3/[CIO3]^2[Cl] [CIO3]^2[Cl]/[CIO2]^3 I don't even know where to start with this one can you help please.
asked by Andy 
statistics
A survey was mailed to a total of 400 students; 100 were randomly selected from each of the freshman, sophomore, junior and senior classes last semester. What sampling method was used?
asked by Amy 
chem
what is the Ka for a 0.1994M propionic acid solution if pH is 2.795? CH3CH2CO2H(aq)+H2O(l)CH3CH2CO2(aq)+H3O(aq) someone please help.. I have a final in two days.
asked by manda 
chemistry
when a 0.4g almond sample is burned the heat gained by the water is 7525.4 J and the temperature of the water increased from 24 C to 58 C what was the mass of the water in grams? a. 50 b. 100 c. 45 d. 52.9
asked by shannon 
chem
A steel container of oxygen has a volume of 20.0 L at 22 C @35 atm. What is the volume @ STP? How many mol of oxygen are in the container?
asked by hanna banana 
Intro to visual business
What specific visual film techniques do you see utilized in contemporary television?
asked by Justin 
APChemistry
Thank you!!! Do catalysts affect: A, B, C, AB, AC, BC, or ABC???: where: A)activation energy B) enthalpy change (I am assuming this is delta H) C) value of the equilibrium constant thank you!!!
asked by GRATEFUL AP CHEMISTRY STUDENT 
Economics
Programs aimed only at people who are poor or disabled are known as? a. social insurance programs b. governmental programs c. federally funded programs d. public assistance programs
asked by kate 
Language arts
Life is full of choices, so i must learn to make good ones. Is the verb in this phrase just " is" or are there more
asked by Fabian 
math
using a deck of cards,what is the probability that you would pull a red kind and a black queen in two pulls without replacing the first card back into the deck?
asked by kezia 
LIB
The International Atomic Energy Agency (IAEA) 1. controls nuclear weapons stockpiles. 2. inspects nuclear power plants. 3. tests nuclear weapons. 4. builds nuclear power stations. I think it's number 4
asked by tammy 
Chemistry
Hydrocyanic acid has a Ka of 4.0 X 1010. What is the percent of ionization of a 1.0 molar solution? my answer is 0.004% is this correct? a) 0.004% b) 0.0020% c) 0.0004% d) 0.02%
asked by Centhia 
Algebra
I need to make an algebra problem using a cake with the measurements 12 inches by 16 inches and 3 inches thick. There were also 30 guest there and half of the cake was left. I also need the concept being used.
asked by Beth 
chemistry
According to the experiments concerned with photoelectric effect, what would inrease the kinetic energy of electron ejected from a metal surface? Decreasing the wavelength of the light, drecreasing the frequency of the light or increasing the number of
asked by olexandra 
anatomy
4. What provides the shortestterm mechanism for preventing acidbase imbalances in the body? The longestterm mechanism? Describe each in detail.
asked by monica 
Algebra
"Do the two inequalities have the same solutions? Wriet yes or no. 5x > 0 x > 0 Solve each inequality and ch eck your solution. 9x > 81 help please? thanks
asked by Dean 
chemistry
The density of 3M solution of NaCl is 1.25 g/mL. Calculate the molality of the solution.
asked by varsha 
Physics (Center of Gravity)
In a lab in my physics class, we were supposed to find the CG of my physics teacher. My partner and I had him lie flat on a wooden (assumed uniform) board that was resting on top of two PVC pipes at either end. Since the PVC pipes acted as the base of
asked by Brittany 
science chemistry
what must be the concentration of Cl to just start precipitation of CuCl from a solution which is 4.896x10^6M in CuNO3? Ksp = 1.9x10^7
asked by pigglet 
bus.
Is it a good idea to open American fast food restaurants in Disney parks overseas selling the same kind of food sold in U.S. parks?
asked by Anonymous 
Precal
Please determine the following limit if they exist. If the limit doe not exist put DNE. lim 2x^3 / x^2 + 10x  12 x>infinity. Thanks.
asked by Randy 
math
working three days per week, a clerk earns $255 per week. at the same rate of pay, which expression below represents what she would earn if she worked 5 days per week? (let x represent full time earnings) 1)x=3/5(255) 2)x=5/3(255) 3)x=3(255) 4)x=5(255)
asked by robyne 
Trig
A swimmer heads perpendicular to a 2milesperhour current. His speed in still water is 1.8 miles per hour. Find the actual speed of the swimmer and his direction angle, 0 (the zero right her is supposed to have a line through the middle of it, I think it
asked by MEGGG!!! 
Trig
A swimmer heads perpendicular to a 2milesperhour current. His speed in still water is 1.8 miles per hour. Find the actual speed of the swimmer and his direction angle, 0 (the zero right here is supposed to have a line through the middle of it, I think
asked by MEGGG!!! 
Reimbursement Methodologies
Could someone please check my answers for me..Thanks 1. Mary needs Medicaid coverage. Where should she start looking for information to determine her eligibility? A. The local hospital social services department B. Her employer C. The federal government
asked by Please check my answers 
science
list the steps on active virus follows when attacking a cell.
asked by mrs.bieber 
Algebra1
15m^4^53mn+9m^2n^3
asked by Brandie 
CHEMISTRY!!
Calculate the mass in grams of 2.74L of CO gas at 33 degrees celcius and 126.0 kPa I got 3.75 grams Is this right please Thanks
asked by Andy 
APChemistry
Hi! Thnak you again! Just checking: any element of increasing atomic number after phosphorus (including Phosphorus) CAN have an expanded octet? Thank you!
asked by GRATEFUL AP CHEMISTRY STUDENT 
physics
The potential energy stored in the compressed spring of a dart gun, with a spring constant of 36.00 N/m, is 0.880 J. Find by how much is the spring is compressed.
asked by Ben 
Economics
Property taxes, which are calculated as a percentage of the value of a home, are an example of a. the benefits received principle b. a regressive tax c. the ability to pay principle d. a proportional tax
asked by Mary 
accounting
Cash Management Matrix For each principle in the matrix,describe how the principle ensures the reliability of a company's financial statements and provide at least one example of how the principle might work in a real company. Principles of Internal
asked by Tony 
chemistry
DR BOB Can you check my answer at Monday may 10 2010 at 7:12 pm at Chemistry andy(Page 2) I think I may have got it !!! Thanks andy
asked by Andy 
chemistry
How many atoms of Ag are in each of the following quantities? 1 0.38 mole Ag2S? 2 0.78 mole AgCl?
asked by James 
math
what is the sum of 3a + b + a + b? 1)3a+2b 2)4a+2b 3)a3+b2 4)4a + b 5)6ab
asked by Anonymous 
math
using a deck of cards,what is the probability that you would pull a red kind and a black queen in two pulls without replacing the first card back into the deck?
asked by kezia 
trig
TA and TB are two cables helping to brace a 500 ft radio tower, FT. If the angles which the cables make with the horizontal are 62 and 50 (degrees), find the distance between their anchor points
asked by Michael 
MATH
25 PERCENT AND 90 PERCENT OF 80
asked by EEMAN 
ETH 125
Where can I find information on African Americans being colonized? Did they face prejudice, segreation, racism, or any combination of the three. If so where can I find why and how?
asked by Tracie 
Math
Use the method of Gauss to find the sum. 2+4+6+...+300 is it 300(300+2)/2 = 45300
asked by Meghan 
chemistry
when you insert a glowing wooden toothpick into a oxygenfilled pipet what would you observe? a. nothing b. the glow of the toothpick went completely out c. heard a gentle pop d. the glow of the toothpick got brighter and may have reignited. again Im
asked by grace 
chemistry
Calculate how many L of 21M HCL must be added to make 1L to .1M HCL.
asked by clarissa 
APChemistry
Thank you very much~ When you do the VSEPR changes for an octahedral, do you first remove the electrons from the poles, or from the equator?
asked by GRATEFUL AP CHEMISTRY STUDENT 
geography
I have to put indicators of measuring development in countries in order of importance they are : literacy rates number of people per doctor, gross national product, % of population access to clean water, population density, % people employed in
asked by sue 
Micro economics
1. prove mathematically that MC does not depend on TFC 2. if the average cost of producing 8 units of output in $80 and that of prodcuing 9 units of output is $90, find the marginal cost of the 9th unit of output and the total cost of the last unit
asked by Hiwot 
English
What are some good key quotes (about 68) for Reverend Hale in The Crucible?
asked by Joe 
Math Linear functions
How do I solve for (9,1) and (6,2)
asked by Susie 
chemistry
The temperature of a sample of water increases from 20.7°C to 45.7°C as it absorbs 5675 J of heat. What is the mass of the sample?
asked by brett 
precal
Evaluate tan B tan C if triangle ABC is not a right trianlge and cos A=cosB cosC.
asked by krista 
math
Explain in your own words why the line x = 8 is a vertical line.
asked by Lori 
calculus
to the nearest metre x=24m and y=6m. Calculate the upper bound for the value of xy
asked by Anonymous 
trig
A sinusoid (sine curve) rises from a minimum value of y=8 at x=0 to a maximum value of y=40 at x=50. Write a sine function for this curve
asked by Michael 
Time
How to convert mins into hrs like convert 7hrs 30 mins to hrs?
asked by Anonymous 
physical science
which substance is a base in this equation, Ba(OH)2 + 2 HNO3
asked by sue 
college
Incorporating Statistics, Graphs,and Illustration Assignment My topic is about drugs
asked by Skyla 
calculus I
I posted the wrong problem an hour ago. What is the integration of √(cotx)/sinx dx by using substitution? I don't think it's solvable.
asked by John 
health international
What are the economics in India(poverty level), Demographic( includes social indicators) and health includes mortality Learn what they mean
asked by Daniela 
college
i need math help please. on a math problem
asked by Kim 
Geography
What are the Four Modernizations of china?
asked by Puff 
physical science
inside the cylinders of a diesel engine, what helps to ignite the fuel and air?
asked by Coby 
LAL!
in this sentence is the verb MAY FIND or FIND You may find the Sargasso Sea.
asked by Sara! 
Alegebra
What is the volume of a box whose length is 122x, width is 72x and height is x? L*W=height Can someone help me with this problem please
asked by Keaton 
pre calculus
How do you simplify cos ((pi)/2)  feta?
asked by gisele 
APChemistry
Thank you very much How do you know that the geometries of the following polyatomics ( SO4 2 , PO4 3 and ClO4 1) are TETRAHEDRAL? Thank you!!!
asked by GRATEFUL AP CHEMISTRY STUDENT 
Algebra 2.
16x^4+8x^3+17x^2+8x+1 I have tried it but i keep getting the wrong roots can someone solve this?
asked by Karin 
english
Did you know that Paul Revere rode through the countryside calling men to arms class? where does the comma belong? how can i rewrite this sentence with a comma?
asked by jj 
Parenthetical Reference
Whish one would be CORRECT: " quote " (Bryan). OR " quote " (UCLA). This is the website (the speech is by a person named William Bryan). UCLA Center for East Asian Studies. Resource page. UCLA International Institute. XX Feb. 2010 (website)
asked by Anonymous 
math
to make 5 sets of curtains when eachset requires 2 1/3 yards how many of material are needed?
asked by michael 
ETH 125
how does glass walls glass ceilings or glass escalator effect native Americans?
asked by Terri 
resume (education)
I have to make a resume and my teacher wants us to include any professional memberships. Does honor society (in college) count? If not, please include some examples of professional memberships. Thank you!
asked by Ashleigh 
science
why is it a good thing when spores grow on the underside of the frond?????
asked by Gaby 
11th grade science
How would you balance Na2O plus HOH
asked by jku 
math
speakeasy company offers customers a choice between 3 schemes:1st,a monthly charge of $15 + 5cents/ min.2nd,a monthly charge of $5 for the line rental +20 cents/min,3rd a(pay as you go) charge of 35cents/min with no monthly line rental charge.
asked by rima 
History
Where can i find info on china and japan during 18th to 19th century.
asked by Vince 
science
explain how vaccines prevent infection
asked by mrs.bieber 
chemistry
if you burned a marshmallow with a net mass of 0.8g and you heated 49.1 g of water from an initial temperature of 24C to a final temperature of 28C what is the heat energy per gram of marshmallow? (express your answer in J/g) a. 822 J/g b. 1027 J/g c.
asked by shannon 
business
2. Individual Assignment: Widget Production â€¢ Evaluate a company that has personal issues that must be resolved. Read the following scenario to evaluate Taylor Inc. operationsmanagement processes to help them maximize labor productivity. Management
asked by kathie 
algebra
ã200 + ã70 + ã300 =
asked by Kat 
Algebra (repost)
Can you help me on this problem as well? (or anyone.) Solve each inequality and check your solution. h  > 7 4 (bumping)
asked by Dean 
science
Dr bob, can you check my reply to chem question from andy thanx
asked by Andy 
language arts
in this sentence what is the contrast " Water like fat raindrops that fall from skinny trees "
asked by Eliza 
Calculus
How do I find the integration of √(cot) / sin^2(x) by using substitution?
asked by John 
ETH 125
I am writing an essay on African American people I need to tell if they are colonized or immigrated? Can someone help me.Where could I find information on this?
asked by Tracie 
6th grade
Explain words that modifies
asked by Anonymous 
Trig
Nathan and Julia are walking along lines that form a 38 degree angle. If Nathan walks at 3.6 miles per hour and Julia walks at 4.1 miles per hour, how far apart will they be after 2 hours?
asked by MEGGG!!! 
geometry
the slope of a line that is perpendicular to (2,4) and (1,0) is
asked by Ben 
geometry
4/7 of a 49 degree angle
asked by Anonymous 
accounting
pg76 excercises 24 and 25
asked by norma 
English
I just wanted to say thanks guys for all your help in my English class I really enjoy working with Jiskha
asked by christopher 
SQL
Due today Submit a text file (extension .txt). 1 Write a statement that creates a table named Part, with an Id field as an int idendity PK, a SupplierId int field, a Description string field of size 25, a Count int field, a Class string field of size 5,
asked by adesola 
social studies
I NEED HELP FOR QUOTATION MARK
asked by JESUS 
psychology
many of the chemicals that affect the brain operate by
asked by steve menice 
Englishplease help
To bring to your organization enthusiasm, dedication, responsibility, and good work ethic, combined with a desire to utilize my skills obtained through work experience. Is that correct sentense??
asked by raj 
business math
Evaluate a company that has personal issues that must be resolved. Read the following scenario to evaluate Taylor Inc. operationsmanagement processes to help them maximize labor productivity. Management for Taylor Inc. would also like you to suggest
asked by Anonymous 
science chemistry
What is the concentration of Ag+ in 0.0543M AgNO3 and 1.1657CN? Ag+ +2CN [Ag(CN)sub2] kf = 5.3x10^18
asked by pigglet 
Chemistry 212
the half life of F18 is 2.089x10^4yrs. How long would it take (in days) for F18 to decrease to 78.71% of its initial amount?
asked by pookie 
Social Studies
Explain the use and development of transportation and communication systems in regions of Canada.
asked by Sally 
criminal justice
Does this media viewpoint accurately protray these professionals.
asked by Anonymous 
science
infer how some viruses might be helpful.
asked by mrs.bieber 
science
hello! i was wondering if anyone knows when dinosaurs evolved.
asked by Danielle (7th grade) 
business math
Evaluate a company that has personal issues that must be resolved. Read the following scenario to evaluate Taylor Inc. operationsmanagement processes to help them maximize labor productivity. Management for Taylor Inc. would also like you to suggest
asked by Anonymous 
algebra
(np^2)3
asked by jan 
5th grade
what's "n to the 10th is 27" in a algebraic expression?
asked by Mehh 
Human services
what are the pros and cons of placing children of color in a causian home?
asked by Zoe 
math
y X 8 = 72
asked by jj 
math
what was the population of the world in 1500 in billions if it is 0.5
asked by precious 
chemistry
how to write a mass blanc of cacl2
asked by ken 
8th grade social studies
which of the followin is a power of the president???
asked by andrew 
Algebra1
7x^8y^3+9x63^2
asked by Jasmine