Questions Asked on
February 10, 2010

chemistry
Calculate the freezing point and boiling point of 12.0g of glucose (C6H12O6) in 50.0g H20
asked by Laverne 
Science
What are neap tides, and why do they occur? Neap tides are the weaker tides. They occur when the sun and the moon are perpendicular to each other with respect to earth. Please correct me if I'm wrong, thanks
asked by Sara 
geometry
The ratio of the angle measures of a pentagon is 4:5:3:8:7. What is the measure of the smallest angle?
asked by chelsea 
Chemistry HELP ME!!!!
A sloution of calcium nitrate, C(NO3), reacts with a solution of ammonium fluoride, NH4F, to form solid calcium fluoride, CaF2, and ammonium nitrate, NH4NO3(ag). When 45.00 mL of 4.8724 x 10 1M Ca(NO3)2 solution was added to 60.00 mL of 9.9981 x 10 1M
asked by Macey 
Please check my work!
I try to write a summary for Mañana de Sol. So, can anyone please check my grammar and vocabulary? Thank you! “Mañana de Sol” dos desconocidos se encuetran en el parque y, aunque al comienzo no se dan muy bién, terminan por siendo amigos. Los dos
asked by Jenny 
chem
The decomposition of ammonium hydrogen sulfide that is shown below is an endothermic process. NH4HS(s) reverse reaction arrow NH3(g) + H2S(g) A 6.1589 g sample of the solid is placed in an evacuated 4.000 L vessel at exactly 24°C. After equilibrium has
asked by Anonymous 
Chem.
Benzene has a heat of vaporization of 30.72 kj/mol and a normal boiling point of 80.1 degrees celcius. At what temperature does Benzene boil when the external pressure is 440 torr?
asked by Joseph 
music
which one of the following terms best describes the music the classical period
asked by nikki 
Trigonometry
Suppose you have an isosceles triangle, and each of the equal sides has a lenght of 1 foot. Suppose the angle formed by those two sides is 45^\circ. Then the area of the triangle is square feet.
asked by Ashley 
Chemistry
Write an equation that explains the conductivity of NH3
asked by Jackson 
music
which of the following terms best describes the music of the classical period. a. polyphony b. irregular metrical patterns c. orderly quality d. sudden loud and soft notes
asked by nikki 
Finite Math
Suppose a family has 5 children. Suppose the probability of having a girl is 1/2. find the probability that the family has exactly 3 girls and 2 boys?
asked by Maria 
Chemistry
A rock salt NaCl ice and water mixture is used to cool milk and cream to make homemade ice cream. How many grams of rock salt must be added to water to lower the freezing point 10.0C?
asked by Laverne 
Chem.
Benzene has a heat of vaporization of 30.72 kj/mol and a normal boiling point of 80.1 degrees celcius. At what temperature does Benzene boil when the external pressure is 440 torr? Since...I didn't get the right answer. I'll just show my work and see if
asked by Joseph 
Spanish
I try to write a summary for Mañana de Sol. So, can anyone please check my grammar and vocabulary? Thank you! “Mañana de Sol” dos desconocidos se encuetran en el parque y, aunque al comienzo no se dan muy bién, terminan por siendo amigos. Los dos
asked by Jenny 
physics
How many excess electrons must be distributed uniformly within the volume of an isolated plastic sphere 28.0 in diameter to produce an electric field of 1500 just outside the surface of the sphere?
asked by How many excess electrons must be distributed unif 
Math
A standard deck of playing cards contains 52 cards in four suits of 13 cards each. Two suits are red and two suits are black. Find each probability.Assume the first card is replaced before the second card is drawn. 1.P(black,queen) 2.P(jack,queen) How
asked by Shadow 
English
In the short story Homeless by Anna Quindlen what distinction is she making in hjer conclusion with the sentences "They are not homeless. They are people who have no homes"?
asked by Renee 
physics
A piano tuner hears one beat every 2.8 s when trying to adjust two strings, one of which is sounding 440 Hz, so that they sound the same tone. How far off in frequency is the other string?
asked by DJ 
Physics
A 56 kg rock climber is climbing a "chimney" between two rock slabs as shown in the figure. The static coefficient of friction between her shoes and the rock is 1.02; between her back and the rock it is 0.70. She has reduced her push against the rock until
asked by Web 
Chemistry
Calculate the freezing point and boiling point of each of the following solutions A. 2.75m NaOH in water B. 0.586m of water in ethanol c. 1.26m of naphthalene (C10H8) in benzene
asked by Laverne 
math
I need help forming an equation for this word problem.. A long distance phone company charges $0.027 per minute and a $2 monthly fee. Another long distance phone company charges $0.035 per minute with no monthly fee. Find the number of minutes for which
asked by lea 
chemistry
1. The atomic number of carbon is 6. Its nucleus must contain: a) 6 neutrons and 6 protons. b) 3 protons and 3 neutrons. c) 6 neutrons and no electrons. d) 6 protons and no electrons. e) 6 protons and 6 electrons.
asked by cassie 
chemistry
1. Which of the following statements about the cell theory is correct? a) All living organisms are made up of one or more cells. b) All cells arise from other, preexisting cells c) All eukaryotic cells contain symbiotic prokaryotes. d) All prokaryotic
asked by jen 
MAth
what do you call a person who buys and sells bugs?
asked by Abby 
Chemistry
Put the following in order in terms of increasing melting point: SiH4, SiO2, CH4, NH3, PH3. Lowest → Highest (A) NH3, PH3, CH4, SiH4, SiO2 (B) SiO2, PH3, NH3, CH4, SiH4 (C) SiH4, CH4, NH3, PH3, SiO2 (D) CH4, SiH4, PH3, NH3, SiO2 (E) CH4, SiH4, SiO2, NH3,
asked by LeePyeonggang 
Chemistry
Solutions are made that contain 0.1 moles of each of the following compounds below in 100 g of H2O. Choose the compound whose solution will have the lowest freezing point. NaBr MgCl2 KClO3 CO2 MgSO4 I know the answer is MgCl2 but I don't know how to
asked by Angel 
physics
Which bear has the greater average velocity over the entire period? Which bear has the greater velocity at t = 8.0 min? Is the velocity of bear A always positive? Is the velocity of bear B ever negative?
asked by christian 
math(Please help)
1) use the properties of logarithms to simplify the logarithmic expression. log base 10 (9/300) log  log 300 log 9 = 2 log 3 log 300 = log 3 + log 100 = log 3+2 I just do not know how to put these together now!
asked by Hannah 
Science
Are the phases of the moon caused by Earth's shadow cast on the moon? No, the phases of the moon are caused by the alignment of the moon and sunin the sky. Please correct me if I'm wrong, thanks
asked by Sara 
Chemistry
Butanone, CH3CH2COCH3, has a vapor pressure of 100. Torr at 25°C; at the same temperature, propanone, CH3COCH3, has a vapor pressure of 222 Torr. What mass of propanone must be mixed with 322.0 g of butanone to give a solution with a vapor pressure of 135
asked by Cairy 
Chemistry 120
A sloution of calcium nitrate, C(NO3), reacts with a solution of ammonium fluoride, NH4F, to form solid calcium fluoride, CaF2, and ammonium nitrate, NH4NO3(ag). When 45.00 mL of 4.8724 x 10 1M Ca(NO3)2 solution was added to 60.00 mL of 9.9981 x 10 1M
asked by Macey 
Chem.
Ethanol has a heat of vaporization of 38.56 KJ/Mol. And a normal boiling point of 78.4 degrees celcius. WHAT is the vapor pressure of ethanol at 18 degrees celcius?? Okay...I don't really get out to solve for it actually. ln (P2/760 torr)= 38560/8.3145 *
asked by Joseph 
4th grade
put fractions in order from smallest to largest 2/3, 1/2. 1/4, 2/5
asked by priscilla 
statistics
Suppose that one in every 100 people in a certain community is infected with HIV. You want to indentify an HIVpositive person to include inn a study of an experimental new drug. How many indiviuals would you expect to have to interview in order to find
asked by stats 
Chemistry
What is the molality of a solution prepared by dissolving 2.00 mL of bromine (d = 3.103 g/mL) in 125 mL acelic acid, HC2H3O2 (d = 1.05 g/mL) Choose one answer. a. 0.301 b. 0.335 c. 0.296 d. 0.593
asked by CC 
Social Studies
What chemical is used to embalm organs
asked by Johnny Uitz 
statistics
The tourist industry is subject to enormous seasonal variation. A hotel in North Queensland has recorded its occupancy rate for each quarter during the past 5 years. These data are shown in the accompanying table. Table 1: Occupancy rate Year 2004 2005
asked by iyra 
MATH trigonometry
in an isosceles triangle the vertex angle measures 90 degrees and the length of each congruent leg is 5√2. whats the length of the base?
asked by sara 
MATH
Hello, This figure shows the number of segments used to form longer and longer rows of squares. It shows that 1 square has 4 segments 2 squars has 7 segments and 3 squares has 10 segments. The question is how many segments will be in a row with 100
asked by JOE 
Phyics
A resistor has a resistance R, and a battery has an internal resistance r. When the resistor is connected across the battery, ten percent less power is dissipated in R than would be dissipated if the battery had no internal resistance. Show that the ratio
asked by ALan 
math
What is the minimum number of identical square tiles required to completly tile a rectangle having dimensions of 3 3/5 units by 4 1/5?
asked by Gerald 
algebra
Suppose you have $28.00 in your bank account and you start saving $18.25 every week. Your friend has $161.00 in his bank account and is widthdrawing $15 every week. When will your account balances be the same ?
asked by mary 
chemistry
you are given samples of two pure compounds, one of which is a gas and one of which is a liquid at room temperature. by elemental analysis, both compounds are found to have the following composition (by mass): 52% C 13% H 35% O (a) Determine the empirical
asked by Lucy J. 
Chem.
Ethanol has a heat of vaporization of 38.56 KJ/Mol. And a normal boiling point of 78.4 degrees celcius. WHAT is the vapor pressure of ethanol at 18 degrees celcius??
asked by Joseph 
gr. 12 english  Double Negatives and Modifiers
I'm going to ask for a little help tonight. Does the following sentence have double negatives, misplaced or dangling modifiers? "I left my agenda in a restaurant which had all my important dates in it."
asked by AL 87 
mathematics
Angles 1 and 7 are alternate exterior angles of a transversal cutting two parallel lines. If m(angle1)=4x+10 and m(angle7)=6x+4, what are the measures of angles 1 and 7? Give a property of angles that helped you solve the problem. What's confusing me about
asked by nicole 
Chemistry
how would I find the mass of something from the molality..... How many grams of water should be added to 25.0 g of NaCl to produce a 0.450 m solution?
asked by CC 
chemistry
Based on the balanced equation 2I2O5 + 10NO → 5N2O4 + 2I2 calculate the number of excess reagent units remaining when 188 I2O5 molecules and 850 NO molecules react? do i start with a new balance equation in order to solve it
asked by eng 
physics
a person standing at the edge of a seaside cliff kicks a stone over the edge with a speed of 18 m/s. the cliff is 52 m above the waters surface. how long does it take for the stone to fall to the water? with what speed does it strike the water. vi= +18 m/s
asked by donnie 
college math
hello i just want a answer in these question: please. im begging! I. Use Newton’s method to approximate the real root to 4 decimal places. 1. X^33X+1=0 2 . X^3X2=0 3. 2X3SINX=0
asked by kookay 
chemistry
Which of the following is not true in a dynamic equillibrium describing a saturated solution? Choose one answer. a. solid crystalizes from solution b. solid dissolves in the solution c. concentration of dissolved solute remain constant d. rate of
asked by CC 
chemistry
Some properties of the two compounds are listed below: Melting point Compound X= 114*C Compound Y= 138*C Boiling Point Compound X= 78*C Compound Y= 22*C Net Dipole? Compound X= Yes Compound Y= Yes Functional group: Compound X Alcohol Compound Y=
asked by LeePyeonggang 
chemistry
Questions 79 refer to the following substances. (A) H2 (B) CH3OH (C) CH2Cl2 (D) KCl (E) Co 7. Is a solid at 25C and 1 atm 8. Is capable of hydrogen bonding 9. Its properties are governed by London(dispersion) forces.
asked by chuchuchulu 
Statistics
An Experiment consists of flipping a fair coin once and rolling a fair die once. what is the probability of observing a hear or six?
asked by Eliz 
shurley english
Oh,no! Diane broke her father's expensive new telescope. please classify using shurley english
asked by taylor 
statistics
An insurance company wishes to examine the relationship between income (in $,000) and the amount of life insurance (in $,000) held by families. The company drew a simple random sample of families and obtained the following results: Family(Income)(Amount of
asked by iyra 
World Geography
Which of the following mothercountry/colony associations is
asked by perrry 
Science
What are tides and how are they caused? Tides are the alternate rises and falls of large bodies of water. They are caused by the gravitational interaction between the Earth and the Moon. Please correct me if I'm wrong, thanks
asked by Sara 
1st grade
3 facts about motion
asked by Kelsey 
5th grade math  multiplying decimals
Marlon's desktop measures 0.57 meters by 1.45 meters. that is the ares of his desktop? I came up with .8265 is this correct? I thought that the answer should be more than one.
asked by Meghan 
English
ut the words in correct sentence order. If necessary, change the form of the simple verb in boldface. Be sure to begin each sentence with a capital letter. Pay attention to the final punctuation. 1)be no, she. 2)don't no, you.
asked by raj 
chemistry
how would the electrons produced in a cathode ray tube filled with neon gas compare with the electrons produced in a cathode ray tube filled with chlorine gas?
asked by Sienna 
Chemistry
Calculate the molality of methanol in a solution prepared by dissolving 75.0 mL of methanol, CH3OH (d = 0.791 g/mL), in 150 g of ethanol, C2H5OH.
asked by CC 
music
in a group that plays chamber music, how many instruments will play each part a. one b. two c. three d. four
asked by nikki 
Math
Is x/a+y/b=1 a valid equation form of a line? If so why?
asked by Anonymous 
math
The lastplace finisher in the 2006 Nissan Golf Tournament won $9,078. How many tournaments would a person earning this much have to play in to reach $1 million?
asked by kim 
Chemistry
A 6.00 M H2SO4 solution has d = 1.34 g/mL. What is the mass percent of H2SO4 in this solution? Choose one answer. a. 56.1 b. 43.9 c. 37.0 d. 58.8 When we calculated yesterday the answer was not B. 43.9....I got it wrong and don't know why if the math was
asked by CC 
chemistry
How many grams of water should be added to 25.0 g of NaCl to produce a 0.450 m solution?
asked by CC 
us history
list ten political and economic reforms the populists proposed in their platform?
asked by tp 
chemistry
Calculate the molarity of a solution containing 40.0 g glucose (C6H12O6) in enough ethanol (C2H5OH) to make 40.0 mL of solution.
asked by CC 
chemistry
Based on the balanced equation, 10Li + N2F4 → 4LiF + 2Li3N calculate the formula units of LiF formed when 54 molecules of N2F4 are reacted. since one mole of N2F4 yields 4LiF, then 54N2F4 yields 216LiF, am i correct
asked by eng 
begining algebra
One side of a triangle is three times the shortest side. The third side is 7 feet more than the shortest side. The perimeter is 62 feet. Find all three sides.
asked by D 
Chemistry
Which of the following is NOT true? (A) CH2O Has a relatively high boiling point due to hydrogen bonding. (b) BaCl2 is an example of an ionic sold. (c) Ionic solids are poor conductors of heat and electicity. (d) The melting point of Fe is higher than
asked by Bouforyou 
Math
A line segment that is 2 4/8 inches long, how many half inches is it?
asked by elias 
Math
Two cars start from the same place and travel in the same direction. If one car travels at 60 miles per hour and the other travels at 45 miles per hour, in how many hours will they be 60 miles apart?
asked by Karla 
music
the is an essential characteristic of sonata form
asked by nikki 
math
Are my answers right please? 1. Hot dogs come 10 to a package, and hot dog buns come 8 to a package. What is the smallest number of packages of each that Ms. Evans could buy so that there are no leftover hot dogs or buns? Hot dogs 4 packages Hot dog buns 5
asked by Jimmy 
science
Question 1: Candance is trying to explain that a dog is a living thing, but a river is not. What is one difference that will help her show this? a)a river cannot make another river b)both the dog and the river can move c)a river can be made by people, but
asked by JADEN 
History / English
I can't find the answer to this anywhere! Help? What did Henry II do that solidified his power as king but led to economic problems and helped incite conflict with the church?  executed all bishops who were opposed to his rule  gave enormous financial
asked by Karen 
geometry
Angles 1 and 7 are alternate exterior angles of a transversal cutting two parallel lines. If m(Ú1)=4x+10 and m(Ú7)=6x+4, what are the measures of angles 1 and 7? Give a property of angles that helped you solve the problem.
asked by nicole 
college
The earth exerts a force of 2500 N on an or biting communications satellite that is 30 mi above the Earth. What is the magnitude of the force the satellite will exert on the earth? Answer in units of N.
asked by zero 
Science
what are spring tides and how do they occur? Spring tides are are very high tides which occur when the sun, moon, and earth form a straight line. Please correct me if I'm wrong, thanks :)
asked by Sara 
math
a man carries a load of 50 kg to a height of 15 m in 5 minutes. calculate the work load?
asked by binz 
pre algebra
How do I solve this equation the find te slope of the line? Please show me the steps in solving this equation.
asked by sherry 
college
The average number of radioactive particles passing through a counter during 1 millisecond in a lab experiment is 4. What is the probability that more than 2 milliseconds pass between particles?
asked by ashley 
grammar (troublesome verbs)
Write the form of the underlined verb indicated in the (). They lay down their troubles for a while. (past) "Is the past tense of lay, laid or lain?"
asked by sierra (6th grade) 
Quadratic Long Division question?
How do i do this using long division? This is part of a Partial Fractions Question. Please help, thanks! (x^3) / (x^3  2x^2 + 3x  18) I tried using long division, but I could only get a quotient of 1, and a remainder of 2x^2  3x + 18 Did i do something
asked by Goldfish 
Information Technology
Choose one of the organizational departments of a business: accounting, finance, HR, or otherwise. What is the role of this department? What type(s) of information does the department need? How does the department use that information?
asked by Rich 
programming
in java code what are the differences between 2, 2.0, '2', "2", and "2.0"
asked by Shirley 
English
How do you figure out what the stressed syllable in a word is?
asked by Kylee 
accounting
Give a 200 to 300 word explaination of the three tools of financial statement analysis.
asked by Keauja 
chemistry
Consider the unbalanced equation: Na+Cl2 = NaCl. What mass of NaCl can be produced from 25.0 grams of Chlorine?
asked by Bella 
Spelling
I need a seven letter word that means finished. The third letter is r and the fifth letter is u.
asked by Jennifer 
Physics
I need to solve this equation. 3E 9 N / 1.25 E 19 C I do not know what to do with the 9 and 19.
asked by Abby 
Englishpuns
What pun could I make with this word: *smart
asked by Sara 
AED203
Provide examples of effective classroommanagement strategies for each category. The categories are Classroom Expectations and Procedures for Two Different Age Groups, TimeManagement Strategies for Continuity and Strategies for Dealing With Disruptive and
asked by scooby 
chem
do esterification reactions have high or low yields? and why is this?
asked by chrissy 
Pre Cal
Let P be the point on the unit circle U that corresponds to t. Find the coordinates of P and the exact values of the trigonometric functions of t, whenever possible. (If there is no solution, enter NO SOLUTION.) 9pi/4 Looking for sin, cos, tan,cot, csc,
asked by Karmen 
math
1) Determine the quadrant in which Q lies. a) sec Q > 0 and cot Q < 0 I know that sec is in quadrant 4 and cot is in 3. Now how do I find the quadrant? b) csc Q < 0 and tan Q > 0 csc is in quadrant 2 and tan is 3.
asked by Hannah 
Algebra
PLEASE HELP! 1. Part 1: Using the digits 4 and 10, and the variable x, write an equation and solve. Part 2: Using the digits 4 and 10, and the variable x, write an expression and simplify if neccessary. 2.Equation: 10 + 4 = x 14=x Expression: 10(4 + x)
asked by Lori 
OPERATING SYSTEM
Hi, I need help with these questions. I have tried to find them but could not. 1.OLE is now referred to as ActiveX by Microsoft. 2.Embedded objects will travel with the destination document. 3.Linked objects will travel with the destination object. 4.A(n)
asked by Jameson 
Math(Please check!!!)
1) Evaluate (if possible) the sine, cosine, and tangent of the angles without a calculator. a) 10pi/3 Sin = sqrt 3/2 Cos = 1/2 Tan = sqrt 3 Are these correct ? I do not understand when to make them negative. b) 17pi/3 Sin = sqrt 3/2 Cos = 1/2 Tan = 
asked by Hannah 
algebra
what is the answer to Mark gets paid $5.75 per hour. His pay is $115.
asked by dominique 
CRT 205
Why and how could you apply critical thinking when evaluating.. articles,advertising,media and conservation?
asked by Tracie 
Math
I am having difficulties trying to find out the missing dimensions of a cutout piece. Can someone please tell me how to figure out the dimensions. They've given me the dimensions for the whole solid, but just not the cut out piece. Your help will be
asked by Sara 
physics
A solid metal sphere with radius 0.410 carries a net charge of 0.290 Find the magnitude of the electric field at a point 0.116 outside the surface of the sphere.
asked by Anonymous 
Science
Why is only one side of the moon visible from the earth at all times? Only one side of the moon is visible from the earth at all times because the other side is illuminated by the sun, which doesn't face us. Please correct me if I'm wrong, thanks :)
asked by Sara 
Ratio
Three numbers are in the ratio of 3:5:7. If the largest number is multiplied by 3, the result is 26 more than the sum of the first and second numbers. Find the numbers.
asked by Camile 
chemistry
if i mix 15ml of ethanol and 5ml of water into 20ml vol flask. Mass of flask with solution is 50g and mass of empty flask is 40g. How do i calculate the density of ethanol and density of water separately
asked by blasting 
Geometry
If you have only 500 sq. feet of material and have to built a swimming pool, which shape will hold the most water. A cylinder, a cube or a rectangular prisim?
asked by Alaina 
English
I'm trying to create puns, and I think this is one, please tell me if it is. *What is the volume of the T.V. It is very loud. Puns would be appreciated from others, thanks :)
asked by Sara 
Chemistry
What is the mass percentage of 55.0 g of KCl in 125 g of water?
asked by CC 
Math
For 5 consecutive days, the price of a lamp in jill's store is reduced by 10% from the previous day's price. At the end of the fifth day, by what percetage will the price of the lamp have been reduced from its initial price? I'm not sure where to begin
asked by Joe 
Chemistry
Given C2H60; Some properties of the two compounds are listed below; Compound X: Melting Point Compound Y: 114C  118C X: Boiling Point y: 78C  22C X: Net Dipole? Y: Yes  Yes. X: Functional group Y: Alcohol  Ether. i. Draw plausible Lewis structure of
asked by Bouforyou 
chemistry
(c) some properties of the two compounds are listed below: compound X: compound Y: melting point 144C 138C boiling point 78C 22C net point Yes Yes functional group Alcohol Ether (i.) Draw plausible Lewis Structures of compounds X and Y. (ii.) In which
asked by Tnurr 
English
We are doing this group project where we have to teach the class our vocab words. My job for the project is to make big flashcards with pictures of the words on it. One of the words is vignette, and I have no idea what picture to use, the definition is
asked by Emily 
CHEMISTRY
TO WHAT SPEED MUST AN ELECTRON BE ACCELERATED FOR IT TO HAVE A WAVELENGTH OF 3.0CM?
asked by DIANA 
Math
I am having difficulties trying to find out the missing dimensions of a cutout piece. Can someone please tell me how to figure out the dimensions. They've given me the dimensions for the whole solid, but just not the cut out piece. Your help will be
asked by Sara 
psychology
How does attitude affect Psychological and social function
asked by lisa 
Math
If Angel plants the same number of pepper plant in each of 5 rows, he will have none left over. If he plants one in the first row and them one more in each row that he did in the previous row, he will plant peppers in only 4 rows how many plants does he
asked by Michael 
Chemistry
LiI(s) → Li+(aq) + I‾ (aq) Solid LiI dissolves as shown in the above equation. A 8.00 g sample of LiI was dissolved in 57.5 g of water. The initial temperature of the water was 21.40°C. After the compound dissolved, the temperature of the water was
asked by Sug 
chemistry
I want to have a deep insigth to my problem i.e. I know that bonds between atoms(of different or same elements)to be formed are based on no. of electrons less in octet or duplet(say O2, each O atom has two electrons less in octet thus forms two bonds).But
asked by mohit 
grammar
Choose one from the (). A bell (lays or lies) on it's side. Which one??
asked by sierra (6th grade) 
Statistics
A recent article in a computer magazine suggested that the mean time to fully learn a new software program is 40 hours. A sample of 100 firsttime users of a new statistics program revealed the mean time to learn it was 39 hours with the standard deviation
asked by Janice 
math
Louis and his family are going to the zoo. The price of a bus ticket is $1.00, but the family has some coupons. If Louis pays full price, his wife pays 2/3 of the regular price, and the two children pay 1/2 of the regular price. How much will it cost for
asked by joey 
Math
The area A of a triangle is given by the formula A=1/2bh If the base of the triangle with height 12 inches is doubled, its area will be increased by 48 square inches. Find the base of the orignial triangle.
asked by Colin 
Math
what type of example can you give me using the 3 quantities (amount, base and rate)given as to how to solve each when one is missing?
asked by Kim 
interpersonal communcations
What factors motivate people?
asked by anonymous 
Math
How do you solve this. The answer is suppose to be 8x+5 and when I do the problem my answer is nowhere near the correct answer. 5{x(3x)+4}2x
asked by Martha 
College physcs
A galvanometer with a fullscale sensitivity of 500 microA and a coil resistance of 60 ohms is to be used to build an ammeter designed to read 7.5 A. What is the required shunt resistance? Rs = milliA
asked by Lanise 
math
if there are 14 stuents and the number of students stayed the same how many votes would each sport receive there are 4 sports, if all sports received an equal number of votes .
asked by ryan 
College physcs
Three resistors with values 1.1 , 3.4 , and 5.8 are connected in parallel in a circuit with a 6.4 battery. What is the total equivalent resistance? R = ohms
asked by Lanise 
math
one foot is what fraction of a yard
asked by tracy 
College physcs
A capacitor in a singleloop RC circuit is charged to 64% of its final voltage in 1.5 s. Find the time constant for the circuit. Find the percentage of the circuit's final voltage after 3.9 s . Vc/Vi= %
asked by Lanise 
CIS
A(n) ____ is a file that contains a list of commands that Windows XP can process to draw a graphic image.
asked by JohnJohn 
chem
do esterification reactions have high or low yields? and why is this?
asked by chrissy 
math
The price of a certain commodity is a function of supply and demand. The table below shows the price of commodity per barrel between 1995 and 2000. Find the average anual rate of change between 1998 and 2000. Year Price/barrel 1995 $19 1996 $24 1997 $17
asked by Re re 
Math
1) Find two values of Q that satisfy the equation. Give your answer is degrees and radians. Do not use a calculator. a) sec Q = 2 pi/3 and 60 degrees Is this correct? b) sec Q = 2 This one I do not know how to find.
asked by Hannah 
math
1.Write an equation for the line that is parallel to x = 35 and passes through the point (7, 12). 2.Write an equation for a horizontal line that passes through the point (5, 2).
asked by raman 
science
One of Darren's model cars keeps rolling off its track. The other cars stays on the track. What should he do? a) change the shape of the track b)study the wheels of the car that will not stay on the track c)change the tires on all of the cars d)build a
asked by JADEN 
Biology
Could someone please help me answer the following questions; 1. What unique property of carbon is responsible for the large number of organic compounds? 2. Alkanes, alkene and alkynes are all insoluble in water whereas alcohols, aldehydes and ketones are.
asked by Kenny 
childhood
How do I write the Competency Goal Statements? To establish and maintain a safe, healthy learning environment Please I need Help about these, I need some examples. Thank you
asked by Rosa 
pre cal
Complete the statement by referring to a graph of a trigonometric function. (If you need to use or –, enter INFINITY or –INFINITY, respectively.) (a) As x (3ð/4)+, tan(x)
asked by Karmen 
child care
I have a questions please 1.An inappropriate science activity for a toddler would be:A:reporting the weather B:caring for pets of the facility C:planting a flower D:watching a science show on TV(I answered B) Thank you for answering my questions
asked by Barb 
math
true or false A onestory building, having dimensions of 80 ft. x 50 ft. x 20 ft. high, encloses a volume of 8000 cubic feet, and has a floor space of 400 square feet.
asked by Blayke 
social studies
why was the SpanishAmerican War important to America?
asked by Abby 
World His
What are some of the reasons for the differences and similarities between Mesopotamia and egypt ?
asked by Aditi 
pre algebra
please show me step by step how to solve the following equation 2x+4y=9 to find the slope of the line.
asked by sherry 
MATH
On the xycoordinate plane, point O is the origin. Suppose vector OE=(3,8) and vector OF=(2,4). What ordered pair represents vector EF? I tried graphing them but they don't even end up in the same quadrant. Not sure what to do..
asked by JOE 
Precalculus
Suppose f(x) = 3^x a) Find x where f(x) = 1/27. b) Estimate the value of x where f(x) = 24. So, a) f(x) = 3^x f(1/27) = 3^1/27 b) f(x) = 3^x f(24) = 3^24 Don't know how to solve them :( Please Help!!
asked by jh 
Precal (Please Check)
1) Evaluate (if possible) the sine, cosine, and tangent of the angles without a calculator. a) 10pi/3 Sin = sqrt 3/2 Cos = 1/2 Tan = sqrt 3 Are these correct ? I do not understand when to make them negative. b) 17pi/3 Sin = sqrt 3/2 Cos = 1/2 Tan = 
asked by Hannah 
math
The quotient of two numbers is 8. The sum of the same two numbers is 72. What is the two numbers
asked by Alexandra 
math
A Line segment that is 2 4/8 inches long, how many quarterinches long is it?
asked by elias 
Physics
Point A is 5 m from a loudspeaker. At point B, the loudspeaker sounds half as loud as at point A. How far is point B from the loudspeaker? I get 50 m, but the answer is supposed to be 15.8 m. I need to know what I'm doing wrong. By my (apparently flawed)
asked by Reed 
math
6/7s  3/4 = 4/5  1/7s + 1/6
asked by eastern 
math
The digits 0 through 8 have been classified with the letters A,B and C. How would you classify the digit9? Why? A 1 4 7 B 2 5 C 0 3 6 8
asked by John 
Chemistry
Consider diamond and graphite. Which of the following is true? (A) Graphite should have a higher melting point than diamond. (B) Differences in composition account for the different properties of gaphite and diamond. (C) Amorphous soilds are likely to have
asked by Bouforyou 
Eastern Religion
I am looking for reliable link on Dogen Kigen  a Zen monk. Can someone provide a link or suggestion to find information about this philosopher? Thanks!
asked by Onlin Bus 
aed
Provide examples of effective classroommanagement strategies for each category. The categories are Classroom Expectations and Procedures for Two Different Age Groups, TimeManagement Strategies for Continuity and Strategies for Dealing With Disruptive and
asked by scooby 
grammar (troublesome verbs)
Write the form of the verb in the indicated (). Aretha Franklin sit with Mahalia's fans. (past participle)!! "I need help, is it "has sat" or "has sitten" or neither".
asked by sierra (6th grade) 
music
the benefits of music
asked by Anonymous 
art
10point on social and economic value of Ife art
asked by Echetabu 
Math
The area A of a triangle is given by the formula A=1/2bh If the base of the triangle with height 12 inches is doubled, its area will be increased by 48 square inches. Find the base of the orignial triangle.
asked by Colin 
math
evealuate the given function for the x value. f(x)= x2+1/4x+2,g(x)=x3+1/2x2+x find (f+g)a
asked by RERE 
Math
Find the slope of a line perpendiculat to the line y=1/2x+7
asked by RERE 
Math
Find the slope of the line that goes through the given points. (2,1) and (1/4,5)
asked by RERE 
statistics
The average number of radioactive particles passing through a counter during 1 millisecond in a lab experiment is 4. What is the probability that more than 2 milliseconds pass between particles?
asked by ashley 
Science
what are examples of astronomical phenomenon?
asked by Sara 
Science
125 mL of water at 10 C is poured onto a 500 g block of ice at 35 C. Assuming it is a perfectly insulated container, what will be the final temperature of the mixture?
asked by James 
Math
The pric of a certain commodity is a function of supply and demand. The table below shows the price of commodity per barrel between 1995 and 2000. Find the average anual rate of change between 1998 and 2000. Year Price/barrel 1995 $19 1996 $24 1997 $17
asked by Anonymous 
Math
The length of a rectangular swimming pool is 6 feet more than twice its width. Find the length and width of the pool if its perimeter is 84 feet.
asked by Taylor 
Math
A druggist mixes a 10% solution of iodine with a 15% solution of iodine. How much of each solution should be used in order to obtain 20 cubic centimeters of a 12% solution?
asked by Vinnnie 
measurements
Describe the figure or polygon produced by interpreting the symbol {8/4} would that be a octegon?
asked by rmz 
moon
what was the direction and altitude for the moon in all of january 2010?
asked by lulu 
geometry
If a rectangle has an area of 132 square units and a length of 11 units, what is its width? If necessary, round your answer to two decimal places.
asked by Anonymous 
music
the is an essential characteristic of sonata form a. sudden cresendo b. absence of harmony c. fluctuation of rhythm d. development of themes
asked by nikki 
How can blood type A donate to AB???
From my understanding, blood type A has A antigens and B antibodies. Blood type AB has A and B antigens and no antibodies. If someone donates type A to type AB, wouldn't the antibody B from type A attack the antigens B from AB??? I know I am looking at
asked by steven 
CIS
An object's path is updated by ____ when its name is changed.
asked by JohnJohn 
science
Should humans strive to preserve a representative sample of all biomes or aquatic zones?
asked by Shirley 
Chemistry
Calculate the freezing point and boiling point of a solution that contains 55.4 NaCl and 42.3g KBr dissolved in 750.3 ml H2O
asked by Laverne 
chem
do esterification reactions have high or low yields? and why is this?
asked by chrissy 
4th grade
2/51/10
asked by priscilla 
Physics
I have a circuit with three capacitors and a battery. The battery supplies 15V. The battery is in series with C3. C3 is in series with ( C23). C3= 3*10^6 F C2= 2 *10^6 F C1= 1*10^6 F (respectively C2 +C3 are is parallel withe ach other). I know the
asked by Sara 
math
The cargo area of the deck of a barge is 60 ft wide. Cargo containers are 7 ft wide, and can be placed sidebyside with a gap of 6 in between them. How many containers may be placed sidebyside on the deck of the barge?
asked by kim 
Biology
what molecules cycle between the light dependent and light independent stages of photosynthethis
asked by md 
social studies
what did the colonist argue about?
asked by mary 
Typing
When determining wpm (words per minute), does it include typing numbers and symbols (!,@,#...)?
asked by J. 
math
Show at least two ways other than using a calculator to find Explain in writing why each makes sense.
asked by ASHLEY 
math
Evaluate the given function for the given x value. f(x)=x2+1/4X+2,g(X)=x3+1/2 X2+x find (f+g)(a) Explain
asked by Re re 
Biology
What molecules cycle between the light and light independent phase of photosynthethis?
asked by md 
medical billing
How do you calculate the DRG reimbursement for a Medicare surgical craniotomy case with relative weight of 3.0970 and a geometric mean length of stay of 6.3 with the hospital's current standard reimbursement rate of $1500.00?
asked by Gwen 
Probability
Explain what is expected value and how is it calculated
asked by Faye 
Algebra
Simplify: 6t^3/t^2  12t/2t I'm stuck, please help!! : (
asked by Nadia Samim 
child care
When working with special needs/learning disabled children,caregivers should a:provide positive role models for them b:ignore their disabilities c:try to do as much as possible for them d:instruct other children to disregard them (A)
asked by Barb 
Math
A student guesses on every ??? of a multiple choice test that has 9 quetions, each with 3 possible answers. what's the probability the student will get at least 7 of the questions right?
asked by Reta 
Science
If a ship is sailing with a constant speed of 30 m/s to the east and a cannonball is launched straight up into the air from the deck of the ship, why does the cannonball land back in the cannon and not in the ocean behind?
asked by Lanell 
Science
If a train is traveling to the north with constant velocity and a passenger drops a marble directly over an x on the ground, why does the marble land on the x?
asked by Lanell 
Science
which Cells do not divide???
asked by Sumaiya 
organic
do esterification reactions usually have a high yield of the desired ester?
asked by chrissy 
chem
if you cann get 5candies for 7dollars, then how many candies will 33 dollars get you?
asked by jaime 
Math
How would you work this... You are facing north. You turn 270 degrees counterclockwise. Which direction are you facing? Is it West? You start out at 90 and go from there? I don't know...
asked by Kevin 
math
true or false. an aquarium which is 4 ft. x 5 ft. x 3 ft. high can hold 800 gallons of water. (assusme that one cubic foot of space hold 7.5 gallons of water.)
asked by Blayke 
Science
How would I describe the lunar cycle in short terms?
asked by Sara 
math
Is 107 divisible by anything, if so, by what number?
asked by Hermione G. 
math
true or false. the volume of a can ( a right circular cylinder) which has a radius of 2 inches and a height of 5 inches has a volume of 62.8 inches (pie = 3.14)
asked by Blayke 
science
Which elements are poor conductors of electricity?
asked by clark 
math
Joe bought something and gave the clerk a quarter .His change was 2 coins.Make a list of the different amounts Joe could have spent and what coins would have been his change.
asked by Thanh 
Science
What role does the sun play in the formation of tides? I'm stuck on this one, I'm unable to word it.
asked by Sara 
social studies
Why was Theodore Roosevelt an American Hero?
asked by Abby 
PYSCHO
In what ways might a devil's advocate hinder the group process? What other strategies can help reduce groupthink?
asked by CASSANDRFA 
PSY
Are there differences between a team and a group? What have been your experiences with being a member of a team; did you experience conflict or cohesion? Has the diversity of the team members played a role in the effectiveness of the grouppro or con? How?
asked by CASSANDRA 
Science
Are spring tides more common during the spring? Explain No, spring tides have nothing to do with the season "Spring". Can someone please explain this to me more clearly, thanks
asked by Sara 
Public Speaking
Which is more important to the success of a presentation  good content or good delivery?
asked by Bryan 
math
what is the domain, range, zeros, Initial value, sign, variation and extrema
asked by alex 
science
is dilution of a solution the answer to acid or base pollution in this world? why?
asked by j 
Advanced word processing
If you want to place the faded word "draft" behind a document text in a report that's a collaborative effort in effect in progress you should insert a ?
asked by Anonymous 
irish
how do i say "i love swimming in irish"???
asked by sarah 
EnglishMs. Sue
Ms. Sue, you know the paragraph I did yesterday right, well I just want to change the the starting/introduction. I want to make it sound more interesting. I don't know if what I wrote makes sense(in the beginning) Could you show me another way to put it
asked by Sara 
MATH
LIST THE FACTORS OF 16
asked by MARSALIS 
Chemistry
200. g of a solvent is available, how many grams of a solute should be weighed out to make a 15.0% solution by mass?
asked by CC 
english
does the Fairness Doctrine violate freedom of the press or freedom of speech? Why or Why not?
asked by miranda 
math
Hello, Here is a question with something i've never heard of. These are the first two stages of a fractal known as the Sierpinski carpet. The carpet begins with a square (stage 1). The square is cut into 9 congruent squares and the middle square is removed
asked by JOE 
us history
What famous founder rejected the Constitution?
asked by Diane 
biology
during the preparation of the capsule stain, the slide used to spread the India ink/bacteria mixture is discarded in the disinfectant solution why?
asked by Liana 
social studies
who signed the declaration of independence?
asked by mary 
biology
what are some of the ways in which we can differentiate spores from coccus shaped bateria?
asked by Tom 
Precal
1) Find two values of Q that satisfy the equation. Give your answer is degrees and radians. Do not use a calculator. a) sec Q = 2 pi/3 and 60 degrees Is this correct? b) sec Q = 2 This one I do not know how to find.
asked by Hannah 
Finance
If I loaned someone $5000 four years ago at an interest rate of 5%, how much do they owe me now?
asked by Gary 
Finance
The key element in developing a pro forma statement is?
asked by Terri 
riddle
A rich person doesn't need it, a poor person has it, and if you eat it you will die.
asked by larry 
Physical Chemistry
Determine the temperature change when 18.0 g of the following salt is dissolved in 190. g of water. The specific heat capacity of water is 4.184 J·K1g1. The enthalpies of solution in the table are applicable. Do not take the added mass of the salt into
asked by Trixie 
music
assess the role that music plays in your life
asked by Anonymous 
vocabulary
What does the word "hymnals" mean????
asked by sierra (6th grade) 
math
If given a set of functions, how do you write an equation for them? For example: x: 1,2,3,4,5 y:5,10,15,20,25. I am confused.
asked by courtney 
MATH
Tory is painting a design on her jacket. The side lengths measure 14 cm, 16 cm and 12 cm. What type of triangle is this?
asked by MATH 
math
"triple a number decreased by 5 feet." algebraic expression:
asked by ezequiel 
organic
what kind of products are esters added to?
asked by chrissy 
CRT /205
Identify areas of vagueness and ambiguous and discuss how you might clarify the email message using the writing principles addressed in the text.
asked by Brenda 
statistics
International Pictures is trying to decide how to distribute its new movie ‘Claws’. ‘Claws’ is the story of an animal husbandry experiment at the University of Southern Queensland that goes astray, with tragic results. An effort to breed meatier
asked by iyra 
GEO
WHAT IS THE RELATION OF IGNEOUS ROCKS TO THE SAN ANDREAS FAULT?
asked by GGIFT 
Math
Two cards are chosen at random from a standard deck of cards with replacement. What is the probability of getting 2 aces? Is is an independent events? If it is then would it be 2/52(chances of an ace) x 2/52?
asked by Shadow 
spanish
what does la ultima vez que fuiste al cine means
asked by Anonymous 
aed
Five Top Strategies to Keep Students Learning in a Calm Classroom Environment Strategy number 5 – Keep the lesson moving.(Classroom Expectations and Procedures for Two Different Age Groups ) (TimeManagement Strategies for Continuity) If you have a
asked by scooby 
Chemistry
How do you find the number of valence electrons in a molecule? Do I need to use the Lewis structure diagram to find out? Please help! I need to the total number of valence electrons for SiH4, H2SO4, CCl4, BF3 and I don't know how!
asked by Anonymous 
GEOLOGY
WHAT NATURAL GEOLOGIC EVENT (EARTHQUAKE, VOLCANO, ETC) CREATED GRANITE?? I CANNOT FIND ANY INFO ON IT.
asked by GGIFT 
GEOLOGY
WHAT PROCESS OF PLATE TECTONIC IS RELATED TO THE FORMATION OF GRANITE?
asked by GGIFT 
ethics in health care
What are some ways health care providers can encourage people to put advance directives in place
asked by Niki 
English
Can you check the following questions for me,please? Thanks you a lot! 2) Where did Mary Stuart spend her childhood? 2) Who did she get married to? 3)What sort of disease is smallpox? When did it spread in England? 4) What disease did Elizabeth
asked by Franco 
Science
What role does the sun play in the formation of tides? I read the article that you posted DrBob22, but I want it in short terms, and am unable to put it in them, please help.
asked by Sara 
US History
In what ways does the Magna Carta still impact law?
asked by Christopher 
Physics
What types of material would be a good choice to shield a sensitive electronic device from stray electric fields?
asked by Michael 
US History
What parts of the New Jersey plan would come to be reflected in the United States Constitution?
asked by Christopher 
English
Is fletcher christian an enlightenment hero? i need to write a paper about this and I have a clue what to write. Please Help!!
asked by Jay 
10th grade
plz suggest me some good thoughts which i can use in writing compositions in my 10th board exams which is on the 3rd of march. as in slogans,or some quotations or what ever material which will make my composition interesting. thanx!!
asked by muskaan 
GEO
What is the relation of metamorphic rocks and the San Andreas fault?
asked by GGIFT 
Government
Can someone help me find a web site that discusses the issues of the Presidential Election of 160 with Kennedy and Nixion? Thanks
asked by Mike 
Math
am having difficulties trying to find out the missing dimensions of a cutout piece. Can someone please tell me how to figure out the dimensions. They've given me the dimensions for the whole solid, but just not the cut out piece. Your help will be
asked by Sara 
English
Is this a pun? You ate all of my candy! No, I only ate more than half of it.
asked by Sara 
mathpercent
Is anyone familiar with this formula for figuring out percent? How it would work? p/100 = of/is
asked by marco 
college
What amount would accumulate if you invested $1,000 at the end of each period for 21 periods at 10%?
asked by dave 
Science Meteorology
Most climate models show that the poles will warm faster than the tropics. What effect will this have on winter storms in the midlatitudes?
asked by Kelly 
College physcs
Two 9.1 ohms resistors are connected in parallel, as are two 5.9 ohms resistors. These two combinations are then connected in series in a circuit with a 20 V battery. What is the current in each resistor? I9.1, I5.9 = A What is the voltage across each
asked by Lanise