Questions Asked on
April 4, 2011

algebra 2
the loudness L of a sound in decibels is given L=10log10R, where R is the sound's relative intensity. if the intensity of a certain sound is tripled, by how many decibels does the sound increase? due tomorrow, tuesday, april 5th, 2011. help pleaseeeee ;)
asked by math challenged 
chemistry
Consider the equation A(aq) + 2B(aq) 3C(aq) + 2D(aq). In one experiment, 45.0 mL of 0.050 M A is mixed with 25.0 mL 0.100 M B. At equilibrium the concentration of C is 0.0410 M. Calculate K. a) 7.3 b) 0.34 c) 0.040 d) 0.14 e) none of these the answer for
asked by raf 
Physics 203 ( College)
Four particles, one at each of the four corners of a square with 2.5mlong edges, are connected by mass less rods. The masses of the particles are m1 = m3 = 2.0 kg and m2 = m4 = 7.0 kg. Find the moment of inertia of the system about the z axis.
asked by Kayla 
math !!!! :O
The ratio of the number of postcards john had to the number of postcards Zachary ha d was 4:9. Zachary had 45 more postcards than John. After giving some postcards to John, Zachary had 6/7 as many postcards as John. (A) How many postcards did Zachary have
asked by Katherine 
algebra
brad wants to buy flowers for his friend with $21. The daises are $2 each and the roses are $3 dollars each.He buys 3 more daisies then roses. how much did the roses cost?
asked by please please help! 
math
If the radius of this cylinder is doubled, its volume will be twice as much four times as much eight times as much is it four times as much?
asked by danny 
math
mike wants to make a meatloaf his recipe uses a total of 8 pounds of meat. if he uses a 3 to 1 ratio of beef to pork how much pork will he use?
asked by please please help! 
Describe how you would make 250 mL of 0.500 M HCI
Describe how you would make 250 mL of 0.500 M HCI from 12.1 M HCI. Show calculations.
asked by Anonymous 
Chemistry
HC2H3O2 + NaOH > NaC2H3O2 + H2O? a. when the titration is only half over, what species are present in the reaction flask b. what can be said about the pH at this point when the titration is half over? c. what is the pH at the equivalence point of this
asked by Anonymous 
algebra
What is th remainder when the sum of the first 102 counting numbers is divided by 5220?
asked by Mike 
Math
Postal regulations specify that a package sent by priority mail may have a combined length and girth of no more than 129 in. Find the dimensions of a cylindrical package with the greatest volume that may be sent by priority mail. Hint: The length plus the
asked by Amber 
Geometry
The wheel of an adult's bicycle has diameter 26 in. The wheel of a child's bicycle has diameter 18 in. To the nearest inch, how much farther does the larger bicycle wheel travel in one revolution than the smaller bicycle wheel?
asked by Tommy 
calculus
In a certain region, the number of bushels of corn per acre, B, is given by the function B(n)=0.1n^2 + 10n, where n represents the number of seeds, in thousands, planted per acre. If corn sells for $3/bushel and cost $2 for 1000 seeds, find the optimal
asked by Nick 
Calculus
If an open box has a square base and a volume of 106 in.3 and is constructed from a tin sheet, find the dimensions of the box, assuming a minimum amount of material is used in its construction. (Round your answers to two decimal places.) height in length
asked by Josh 
geometry
The area of a circle is 28.26 square centimeters. What is its diameter (use 3.14 for ð)?
asked by Anonymous 
Chemistry
Given the reaction A(g) + B(g) 2AB(g) 1. What does equilibrium mean? equal mols or pressure between reactants and products? Is there more reactants or products? 2. Will the equilibrium be the same if i started with the reactants only vs if i started with
asked by BlahxD 
math
i am a relflex angle. all the digits in my angle measure are even. all of my digits are different. all three of my digits are factors of 8. my tens digit is greater than my one digit. what is my measure?
asked by janet 
Math
A circular garden has an area of 25π m2 If the . radius is increased by two meters, and fencing is sold only in one meter sections, how much fencing is needed to keep out the rabbits
asked by Katie 
Algebra
what is the solution to the system containing the equation ? x + y = 8 and 3x + 2y = 9
asked by anonymous 
Algebra IIPlease help!!
Please helpI'm really mixed up How do I find the permutations of the first 12 letters taken 3 at a time? I have a ton of these to do and really don't understand them at all
asked by Anna 
Chemistry
How do these react? Some may have no reaction. a. aqueous chromium(III) nitrate plus magnesium metal b. aqueous lithium sulfate plus aqueous barium chloride c. solid lead metal plus aqueous potassium chloride d. aqueous lithium fluoride with aqueous
asked by Blaire 
Maths
Hi Please can you help? Really sorry for repeating the question but I wrote it incorrect before. Find the particular solution of the differential equation from dy/dx=2/27(x3)ã(x^26x+23) / (y) (y>0. for which y = 2 when x = 1, and then give this
asked by Claire 
math
use the numbers 1,2,3,4,5,6,7,8 and 9 one time make a true math equation :xxx + xxx = xxx. ex 237+654=891. Over 300 solutions with 32 different sums.
asked by steve 
Calculus
"Using Lagrange multipliers, find the maximum value of f(x,y) = x + 3y + 5z subject to the constraint x^2 + y^2 + z^2 = 1." Any help would be appreciated!
asked by Anonymous 
CHEMISTRY
hydrogen reacts with nitrogen to produce ammonia. 3H2(g)+ N2(g) = 2NH3(g) Determine how much ammonia would be produced if 100g of hydrogen reacts?
asked by Anonymous 
elapsed time
start 11:38a.m. elapsed time 3hr 10 min what is the end time?
asked by Michelle 
CHEM
HOW DO I Calculate the pKa of each acid. C2O4H2, Ka = 5.9 102
asked by dada78 
chemistry
Assuming a temperature of 37 C and 1 atm pressure, how many mol/min of CO2 is this?
asked by sarah 
Math
Write 0.09 x 10^12 in scientific notation.
asked by Anonymous 
Math
An ant weighs about 2 x 10^5 lb. There are about10^15 ants on earth. How many pounds of an ants are on earth?
asked by Anonymous 
geometry
The width of a rectangle is 6 feet, and the diagonal is 10 feet. What is the area of the rectangle?
asked by Anonymous 
philosophy
State the moral issue involved, and provide an explanation as to why you think a relativist might have problem giving a justified response to it
asked by tiffany 
Math
4z3(3z1)+7(3z1)
asked by Chris 
math
The freshman class is building a float for homecoming.One side of the float has a shape of a parallelogram with base of 12' and height of 6'. To complete the float the class must buy tissue to cover the side. It takes 3 boxes of tissue to cover each foot.
asked by corey 
math
There are 50 apple trees in an orchard, and each tree produces an average of 200 apples each year. For each additional tree planted within the orchard, the average number of apples produced drops by 5. What is the optimal number of trees to plant in the
asked by tye 
physics
The picture tube in an old blackandwhite television uses magnetic deflection coils rather than electric deflection plates. Suppose an electron beam is accelerated through a 53.8kV potential difference and then through a region of uniform magnetic field
asked by joe 
chemistry
Balance the following equation: K2CrO4+Na2SO3+HCl>>>>>>Na2SO4+CrCl3+H2O Enter the coefficients for eachcompound, separated by commas, in the order in which they appear inthe equation (e.g., 1,2,3,4,5,6,7
asked by roshan 
algebra 2
find an equation of a circle satisfying the given conditions. Center(0,0), containing (3,4)
asked by Anonymous 
chemistry
Calculate the molar solubility of Cu(OH)2, Ksp = 2.2 × 10–20, in 0.52 M NH3. Don't forget to use the complexation reaction Cu2+ + 4 NH3 ⇌ Cu(NH3)42+, K = 5.0 × 1013 What does he mean by the complexation reaction??? So confused, please help!!!
asked by Erin 
Psychology
Andy, a high school sophomore, lacks selfdiscipline, fails to plan ahead, and is excessively anxious. He is quickly frustrated by challenging tasks and frequently becomes overly critical of others. Use the psychoanalytic, humanistic, and socialcognitive
asked by Brent 
chemistry
what mass of (NH4)SO4 is required to prepare 500 cm3 of M/4 solution?
asked by sarah 
Psychology
Hello, I need to do a report on can a child under the age of 6 form criminal intent? I need to prove developmentally and all that why that child can't under age of 6 I am having problems finding websites to go to for research thanks
asked by elija 
science
what is the entire pysical universe
asked by jannette 
Modern History
Hi I need help finding where this cartoon was originally published Its the LEV HAAS (Czech,19011983 "Do not trust him! The kulak is the most hardened enemy of socialism") one. Sorry I couldn't post the link. Thanks!
asked by Sasha 
Islam in India...Economic effects?
What economic effects did Islam have in India? I'm having a tough time finding any info for an ESP (Economy, Society, Politics) chart in my book. Any info is welcome and thanked :)
asked by Kate 
science
if u have a negative vector component do u leave it as it is or do u minus into 180 degrees to make it positive? E.g 89.0i + 228.5j
asked by g 
chemistry
A 1.2431 g alloy sample was analyzed for its copper content iodometrically. The alloy was dissolved in hot, concentrated nitric acid and prepared for analysis. The addition of excess KI(aq) solution precipitated the copper as cuprous iodide and liberated
asked by tara 
chemistry
24ml of .05 mol per litre of SILVRE NITRATE reacts with 15 ml of potassium chloride.calculate molar concentration of potassium chloride.
asked by kalsoom 
Calculus
"Using Lagrange multipliers, find the minimum value of f(x,y) = x^2 + y subject to the constraint x^2  y^2 = 1." Any help would be appreciated!
asked by Anonymous 
math
The number 1 is a perfect square (1X1=1) and a perfect cube (1X1X1=1). What is the next smallest whole number which is both a perfect square and a perfect cube?
asked by johnny 
geometry
what is the base of a parellelogram if the height is 2inches and the area is 26 square inches
asked by tiyanna 
Physics
Two 75.0kg hockey players skating at 5.25 m/s collide and stick together. If the angle between their initial directions was 140 degrees, what is their speed after the collision? (Let the motion of player 1 be in the positive xdirection and the motion of
asked by Aestas 
Physics 203 ( College)
A disk of radius 12 cm, initially at rest, begins rotating about its axis with a constant angular acceleration of 7.8 rad/s2. What are the following values at t = 4.0 s? (a) the angular velocity of the disk (b) the tangential acceleration at and the
asked by Kayla 
accounting
Santa Fe Company purchased merchandise for resale from Mesa COmpany with an invoice price of $24,000 and credit terms of 3/10,n/60. The merchandise had cost Mesa $16,000. Santa Fe paid within the discount period. Prepare entries that Santa Fe Company
asked by ash 
punctuation spelling and Capitalization Mistakes.
i the punctuation correct i did as much as i could When you proofread look for punctuation spelling and capitalization mistakes.
asked by yelena 
Spanish 6 th gradePlease check
I have three questionsWhich sentence is written correctly? Es un buen clase. Es un buena clase. Es un buena clase. I think it is Es un buen clase. Is that correct? Second question The term pelota refers to any kind of sports ball. Pelota is a ball but
asked by Shelby 
HHS
What is the molality of a solution in which 15g of I2 is dissolved in 500g of alcohol?
asked by jaz 
Group Behavior in Organization
Is group cohesiveness important? How do group cohesive forces affect group processes? What can you do to increase cohesiveness in your group?
asked by Anonymous 
Chemistry
Consider 125 mL of 0.110 M MgCl2 solution. a. How many moles of MgCl2 are contained in 125 mL of 0.0110 M MgCl2? b. What is the concentration of Mg2+ ion? c. What is the concentration of Cl ion?
asked by B 
Education
How is an ELL's level of language proficiency determined? How do you modify your assessments to evaluate ELLs understanding of content?
asked by Ray 
Soanish6th gradeAnother questionPlease check an
I have another question. If I have to use the word tener to express she is hotI would say Ella tiene calor, correct?
asked by Shelby 
Com155
Could you please help me locate the adjectives and adverbs in the below paragraph? ”Blending state of the art animation with live action, Hop is a comedy about E.B., the teenage son of the Easter Bunny. On the eve of taking over the family business, E.B.
asked by Ben 
geometry
If the arc on a particular circle has an arc length of 14 inches, and the circumference of the circle is 84 inches, what is the angle measure of the arc?
asked by Anonymous 
math
2 non congruent parallelo shapes
asked by kasia 
ACCOUNTING
In its financial statements, Trio uses straightline depreciation with the halfyear convention. The book value of the equipment at December 31, 2006, will be: a $29,000. b $35,000. c $31,000. d Some other amount.
asked by Anonymous 
physics
Find the shear strain that results if a force of magnitude 9.00×105 is applied to the top square face of the plate, parallel to the side, and a force of equal magnitude is applied in the opposite direction to the bottom face of the plate as shown . Note
asked by Linda 
geometry
The area of a parallelogram MNOP is 48 sq cm. MX, which is a line segment perpendicular to diagonal PN where X is on PN, is 3 cm. How to find the length of diagonal NP?
asked by emily 
English 102
Can some one read this and give some feedback please! Introduction Is samesex marriage going to create issues on our society? Samesex marriages will most likely to have issue in many political campaigns also churches and Christians everywhere will be
asked by Jennifer 
philosophy
Our text discusses the challenge relativism presents to various ethical and religious viewpoints. Consider a specific moral question which might make it difficult to accept the relativist's response. State the moral issue involved, and provide an
asked by tiffany 
Calculus
An isosceles triangle is to have a perimeter of 64cm. Determine the side lengths of the triangle if the area is to be maximum. I need help setting this question up! Please
asked by Taylor 
math
the perimeter of a rectangle is twice the sum of its length and its width. the perimeter is 40 meters and its lenth is 2 meters more then twice its width. what is the length?
asked by help fast please!!! 
Le Musee d'Orsay
Need information on this museum please.
asked by Nisa 
Math
(4.3 x 10^3)(2 x 10^8)
asked by Nick 
Education
How do you modify a lesson to teach ELLs?
asked by Ray 
math
In a storm, a plane flew against the wind and took 9 hours to cover 3,600 miles. The return trip, traveling with the wind, took 1 hour less. find the air speed of the plane, and the speed of the wind.
asked by zack 
government
__________ is the term given to the activities of interest groups that seek to influence the making and implementation of public policy and to persuade government officials to support a group's position.
asked by cody 
Education
Compare and contrast the teaching of comprehension strategies to ELL students and to native English speakers.
asked by Ray 
Math
Whole Number Math Riddle Clue 1: Double my tens digit and get my ones digit. Clue 2: Double me and I am less than 50
asked by Savannah 
Chemistry
What is the freezing point of a solution of 1.17g of 1naphthol, C10H8O, dissolved in 2.00ml of benzene at 20 degrees C? The density of benzene at 20 degrees C is 876g/ml. Kf for benzene is 5.12 degrees C/m, and benzene's normal freezing point is 5.53
asked by Jake 
Math
In a local dog show, there are prizes for first, second, and third place. If there are 18 dogs competing, how many ways are there to award the prizes (assuming no dog can win two prizes)?
asked by Tracy 
Math
John bought 2 pounds of chocolate for $7.50. Write expression to find the cost of 3.5 pounds of chocolate?
asked by Haley 
physics
A new type of spring is found where the spring force F is given by F=kx + bx^2 where k=400 N/ m and b=100 N/m^2 and x is the expansion (or compression) of the spring from its equilibrium position. The spring is attached to a point mass of 1 kg sitting on
asked by Physics 
Calculus
Find the area of the region enclosed by the inner loop of the curve. r = 5 + 10sin(θ) Any help would be greatly appreciated!!!
asked by Julie 
history
when and how does Germany unite? What are the causes and consequences of the rebellions 183736 upper and lower canada? What are the causes of movement and the liberal movement National Europe in the first Motie nineteenth sciècle
asked by Cassandra 
Math
I am trying to help my son figure out this question. during an art class at your school, you and a class mate each won blue ribbons for 1/3 of the pieces you entered in to the contest. you won 2 blue ribbons and your classmate won 3. explain how this could
asked by Jamie 
chemistry
How many grams of Na2CO3 are required to Na2S2O3
asked by Rickia 
chemistry
How many grams of Na2CO3 are required to Na2S2O3
asked by Rickia 
math
how is the speed determined of a falling object? what is the pull of gravity feet per second.
asked by deek 
math
Place any of the four operations signs (addition, subtraction, multiplication, or division)in the boxes to make the following sentence true. 1___2___3___4=6
asked by johnny 
statistics
Is it ever inappropriate to report the mean? If so, when?
asked by tina 
vocabulary
select the best synonym of the word satiate. a)empty b)fill c)deny d)deprive............please help.
asked by Amie 
math
the perimeter of a rectangle is twice the sum of its length and its width. the perimeter is 40 meters and its lenth is 2 meters more then twice its width. what is the length?
asked by help fast please!!! help help help 
American History / Social Studies
The age of discovery to the american experiment? A.Practical Scientific Experimentation B.philosophies of religion C.moral values D.family life
asked by Brook 
Walmart and Superstore
These two companies are related to one another, and on the site ADVFN . Com I tried searching the stock symbol for superstore, but I cant find financial information on it. I found financial information for WalMart. Could you please help me to find data
asked by Anonymous 
Chemistry
An atom it ground state contains 18 electrons. How many of these electrons are in orbitals with l=0? a.4 b.2 c.8 d.6
asked by Jordan 
CHEMISTRY
WHAT MASS OF WATER CAN BE PRODUCED FROM 30.0G OF AMMONIA
asked by STACEY 
grammar
The five sample paragraphs are below. choose two at random to read. Note that the paragraphs represent a range of quality. some have errors and do not flow effectively. Avoiding and managing debt is hard. Things cost so much money that it's hard not to
asked by Anonymous 
CHEMISTRY
HOW MANY MG OF C2H4 MUST BE USED TO PRODUCED 875J OF HEAT
asked by STACEY 
reading
A paragraph with this words a lot,because tonight,write,,opposite,scenery,again, questionnaire,excellence,and pennant
asked by Anonymous 
math
9/10x5/6x8/9 =? would that be 6/8 ? also the temperature ranged from 37 F to 103 F How many degrees was the temperature for the year? would you just take the difference between the two?
asked by jill 
Chemistry
Consider the following reaction: H2+I22HI A reaction mixture at equilibrium at 175 K contains P(H2)=0.958 atm, P(I2)=0.877 atm, and P(HI)=0.020 atm. A second reaction mixture, also at 175 K, contains P(H2)=P(I2)=0.616 atm, and P(HI)=0.106 atm. What will
asked by Brooke 
puzzled for english
solve these riddle for ur next clue the early bird catches the worm beaty blank nature take blank to the heart these need to make sense
asked by cat 
Math
explain what the values of m and b in your equation tell about the relationship between number of containers to be recycled and attendance at the school event
asked by Megan 
Eth
Hello Imagine yourself as a current member of your selected group, and consider the following question
asked by Jeanetta 
physicsreciprocal conversions Curie and Becquerel
Why so many sources give different values for reciprocal conversions Curie and Becquerel? 1 Ci = 3.7 x 10^10 Bq or 37,000,000,000 1 Bq = 2.7 x 10^11 Ci or 0.000000000027
asked by Anonymous 
English
I still have a few parts I'm unsure of. I really hope you can help me. It's urgent, especially the last paragraph n.7 1)In the second stanza, the soldiers succeed in putting on their clumsy gas masks. Someone, however, is still crying out for help, unable
asked by Mike 
Math
Barney works part time 30 hours a week at the cinema and earns $6 per hour. If he savea 1/3 of his paycheck each week how much does he have left to speed after 4 weeks?
asked by PlzHelp 
pharmacy tech
Determine the milliliters of water needed to prepare 2 oz of a 10% solution from a 12.5% solution and distilled water.
asked by rob 
math
Three cards are drawn from a standard deck of cards without replacement. what is the probability that all three cards will be clubs f. 3/4 g. 11/850 h. 1/3 i. 36/153 please help....!!!!!
asked by Emmalie 
science
Write a letter to persuade a friend that a change in temperature does not necessarily mean that a chemical change has occured.
asked by Anna 
Chemistry
When an element reacts with a compound to produce another element and new compound, the reaction is called?
asked by Cassandra 
CHEMISTRY
A sample of gas in a balloon has an initial temperature of 28 and a volume of 1360 . If the temperature changes to 86, and there is no change of pressure or amount of gas, what is the new volume, , of the gas? Express the volume numerically in liters.
asked by Anonymous 
Business
what type of financial structure would you say the veterans hospitals and clinics run on?
asked by april 
geometry
An airplane over the pacific sights an atoll at 8 degree angle of depression. If the plane is 520hm above water, how many kilometers is it from a point 520 m directly above the center of the atoll? Help please :]
asked by christina 
Education
Describe the difference between wordlevel skill and textlevel skill attainment for ELL students. Then, describe specific things teachers can do to increase ELL students' textlevel skills.
asked by Ray 
pharmacy tech
Determine the milliliters of water needed to prepare 2 oz of a 10% solution from a 12.5% solution and distilled water.
asked by rob 
math
1.13ss=_ 2.d+2d+d=_
asked by lidia 
Math
10^8
asked by Rachel 
english
do you consider this a thesis statement? Autism,this topic intrest me because autism appears during the first three years of life.Autism causes several disoders and also is four more times prevalent in boys than girls
asked by Camilya 
grade 5 math
what is 11 7th as a mixed number please i need help and its due tomorrow
asked by katlin 
Physics (PLEASE HELP!)
Two point charges, the first with a charge of +3.25×10−6 C and the second with a charge of 4.63×10−6 C , are separated by 25.5 cm. Find the magnitude of the electrostatic force experienced by the positive charge. Is the magnitude of the force
asked by Allison 
chemistry
Calculate the mass of silver nitrate needed to prepare a solution of concentration 0.01 moles per litre
asked by Anonymous 
chem
Calculate the volume of 0.200 M acetic acid and the volume of 0.100 M sodium acetate required to make 200.0 mL of a buffer solution with pH = 5.00. The Ka for acetic acid at 298 K is 2.00 x 105.
asked by chem 
algebra 2
how to find equation of horizontal tangent line of 2y^3+6x^2y12x^2+6y=1
asked by Anonymous 
math
what is 7 1/2 plus 3 9/12
asked by faythe 
math
Select a variable (mean, proportion, variance or standard deviation) of interest to you and collect data consisting of at least 30 values. Define the variable. Define the population. Describe how the sample was selected. Use Microsoft Excel (and MegaStat
asked by tom 
Physics
A 1440kg crate of cabbages is laid on a level, frictionless track at the end of a heavy spring. The spring is compressed a distance of 0.100 m by a force of 83500 N. When the spring is released, it propels the crate. the spring constant of the spring
asked by Kristen 
chm
determing concentration by spectroscopy lab discussion?
asked by iqra 
jobs
does anyone know any where that is hiring in akron ohio, i need a jon and i cant seem to find the one to get me started? can anyone help me? thanks!
asked by bobbi 
Social Studies
After the Treaty of Paris, how long were the spanish in charge of Florida?
asked by Hailee 
math please help me
Select a variable (mean, proportion, variance or standard deviation) of interest to you and collect data consisting of at least 30 values. Define the variable. Define the population. Describe how the sample was selected. Use Microsoft Excel (and MegaStat
asked by ibrahim 
physics
Water flowing through a garden hose of diameter 2.77 cm fills a 25.0 L bucket in 1.20 min. (a) What is the speed of the water leaving the end of the hose? (b) A nozzle is now attached to the end of the hose. If the nozzle diameter is onethird the diameter
asked by Anonymous 
Physics
A. Suppose you had an object that you suspected had a mass of one half of one of the washer+paperclip units. (In the rest of this problem we’ll call that a “washerclip.”) Describe how you could use the balance you used in tutorial and a single
asked by Annie 
geography
what would happen if wheat was no longer a resource to the U.S.?
asked by jay 
Physics
To what voltages must we accelerate electrons (as in an electron microscope, for example) if we wish to resolve; a) a virus of diameter 12 nm , b) an atom of 0.12 nm, c) a proton of diameter 1.2 fm?
asked by Abby 
physics
A longitudinal wave spreads radially from a source with power 345 W. What is the intensity 40.0 meters away? answer in W/m^2.
asked by sabeen 
Chemistry
why the acidic medium is used for determination of the amount if iorn in a sample of soil using standard KMnO4
asked by DILANI 
statistics
"... MALE CHILDREN BORN TO WOMEN WHO SMOKE DURING PREGNANCY RUN A RISK OF VIOLENT AND CRIMIAL BEHAVIOR THAT LASTS WELL INTO ADULTHOOD." CAN WE INFER THAT SMOKING DURING PREGNANCY IS RESPONSIBLE FOR CRIMINAL BEHAVIOR IN PEOPLE?
asked by Anonymous 
Physics
Here’s how two different students approached part A. Elizabeth: Since the little brother is half as heavy as her sister, he must sit twice as far from the pivot in order to “compensate” for his lower weight—6 feet instead of 3 feet. Jill: I used
asked by Annie 
Chemistry
Which of the following substances will oxidize Sn(s) to Sn^2+? a) Cu(s) b) Cl2(g) c)Cl(g) d) Mg(s) e) Cu^2+(aq) f) Mg^2+(aq)
asked by Lauren 
physics
The football is kicked over the goalpost with an initial velocity of vA=32 m/s as shown. Determine the point B (x,y) where it strikes the bleachers. type this question to google to find the figure. please and thank you.
asked by . 
bio
Supercoiling of DNA can occur (choose all that apply): A. when double stranded DNA is overwound B. when double stranded DNA is underwound C. when double stranded DNA is heated above it's Tm D. when DNA is treated with nucleases and Generally, cellular DNA
asked by Yoo 
advanced math
sin(15) tan(165)
asked by t54 
science
a commuter plane starts from an airport and takes the route whereby it starts to city,located 175km away in a directiin 30egrees north of east of east. Next, it flies for 150 km 20degrees west of north,to city b.finally, the plane flies 190kmdue west,to
asked by g 
English
I still have a few doubts on the use of the present after "as if" and on other statements. Thank you for your cooperation. 1) They are hobbling along on their bloody feet, as if they are (why not were?) hurt or blind. They are so tired, they walk ask if
asked by Mike 
Chemistry
which is more concentrated a 1 liter solution containing 30 g of NaCl or a 1 liter solution containing 30g of KCl
asked by Raul 
math
Select a variable (mean, proportion, variance or standard deviation) of interest to you and collect data consisting of at least 30 values. Define the variable. Define the population. Describe how the sample was selected. Use Microsoft Excel (and MegaStat
asked by ibrahim 
physics
what is the weight of a square whose thickness is 10mm
asked by john 
math
jimmy swam for 5 more min than tim. write an expression showing the number of min tim swam. let m represent the number of min.
asked by madsion 
trig maths
rewrite 7 sin2A – 5 sin A + cos2A = o to solve for A
asked by inno 
HELP!!!! math
Find the measures of the interior angles of the pentagon below. A 90 degrees B x + 40 degrees C x degrees D x + 40 degrees E x+ 50 degrees
asked by Anonymous 
Health
What does it mean if you have brown caking around your belly button, even if you follow basic hygenic practices.
asked by Sasha 
physics 211
A deepsea fisherman struggles to bring in a big salmon (see figure below). Find the force each hand must exert on the pole if the tension in the line is 159 N. Neglect the weight of the pole and assume that the force exerted by the left hand is directed
asked by Laura 
Algebra
Sorry Iposted that previous question wrong. Here is the right question. What is the remainder when the sum of the first 102 counting numbers is divided by 5250.
asked by Mike 
chemistry
A student determined the chloride content of a commercial salt by using the Mohr method. A 0.5324 g sample of the salt was dissolved in distilled water and diluted to a final volume of 250. mL. A 25.mL aliquot of the analyte solution was then titrated
asked by tara 
English
What does this quote mean "what affects one directly affects all indirectly" by Martin Luther King Jr.
asked by Anonymous 
literature
I read Soldier Home by Ernest Hemingway and found two reasons to prove that it is important from 1865 to present time and they world war views and also show soldier's life after war. I need one more reason to support and will anyone tell what points are
asked by iqra 
Algebra
What is the positive difference in the sum of the letters in the words MATH and COUNTS, if each letter is assigned a value as follows: A=1, B=2, C=3, D=4,..., Y=25, Z=26?
asked by Matt 
FIN
Phoenix, Inc made a coupon payment yesterday on its 6.25% bonds that mature in 11.5 years. If the required return on these bonds is 9.2% nominal annual, what should be the market price of these bonds?
asked by willie 
grammar..
which sentences need commas ... a) the dessert had a fluffly cream topping b) the fish was served with a rich tangy sauce c) my first job was happy rewarding experience d) Mr.Hawkins has a large collection of rare valuuable coins e) the leader of the rock
asked by Anonymous 
ordering decimals
how do we fit a decimal in each pair 0.6 0.7
asked by mom 
chemistry
24ml of .05 mol per litre of SILVRE NITRATE reacts with 15 ml of potassium chloride.calculate molar concentration of potassium chloride.
asked by Anonymous 
ordering decimals
how do we fit a decimal between this pair 0.6____0.7
asked by mom 
social studies
Ads that rely on the testimonials of people who have used the product are using what technique?
asked by Paul 
English
Thank you very much. I hope you can have a look at these few sentences too. 1)*Interior monologue is often confused with the stream of consciousness, although they are quite different. 2)Actually, the former is the verbal expression of a psychic
asked by Mike 
chemistry
With respect to Boyle's law (lab experiment with textbooks on an apparatus), if in the classroom the air pressure in the classroom is equal to 2.4 textbooks, how does one find the total pressure of a book with the volume of 26? Am I on the right track by
asked by Rosie829 
statistics
For a population that has a standard deviation of 10, figure the standard deviation of the distribution of means for samples of size (b) 3
asked by amanda 
Statistics
For each of the following samples that were given an experimental treatment, test whether these samples represent populations that are different from the general population: (a) a sample of 10 with a mean of 44, (b) a sample of 1 with a mean of 48. The
asked by amanda 
Calc
Suppose f(x,y) = A  (x^2 + Bx + y^2 +Cy). What values of A, B, and C give f(x,y) a local maximum value of 15 at the point (2,1)? Any help would be appreciated!
asked by Brittany 
area, perimeter
the perimeter of rectangle y is equal to its area. rectangle z has the same perimeter as rectangle y. the length of rectangle z is 5 inches and the width is 3 inches. explain how you can find the length and eidth of rectangle y.
asked by susie 
Math
what is the math rule if u put in 1 and get 15, put in 2 and get 13, put in 3 and get 11, put in 4 and get 9, and put in 5 and get 7
asked by Kenyen 
English
Do you necessarily need references for a resume?
asked by Jennifer 
Calculus
"The quantity, q, of a product manufactured depends on the number of workers, W, and the amount of capital invested, K, and is given by q = 6 * W^(3/4) * K^(1/4) Labor costs are $10 per worker and capital costs are $20 per unit, and the budget is $2000.
asked by Anonymous 
CHEMISTRY
If 15g of Sodium Hydroxide are treated with sulphuric acid to produce sodium sulphate, how many grams of sulphuric acid are required. write the balance equation for this reaction and calculate the quantity of sulphuric acid.
asked by Anonymous 
English
I really need to have a look at the first stanza of Owen's poem as I'm unsure of tense choice. Thank you. 1) In the first stanza the soldiers are retreating towards their trenches. Instead of being youthful, strong fighters, they are presented as
asked by Mike 
ordering decimals
Ms.Sue could you please show us another exmple i understood 0.6 0.65 0.7 how about with a double digit number like: 0.25_____0.15 or 0.425_____0.475
asked by mom 
CHEMISTRY
What is the difference between the atomic weight, and its atomic number?
asked by Anonymous 
CHEMISTRY
carbon monoxide can be prepared by the reaction of steam with methane. CH4(g) + H2O(g) = CO(g) + 3H2(g) If 10g of methane is allowed to react with 10g of steam which of the reactants would be described as limiting. What is the theoretical yield of carbon
asked by Anonymous 
science
An abiotic factor that starts with c and the clue is soil type. So what is a soil type that starts with C?
asked by Zac 
vocabulary
can u give me a sentence with the words indifferent & heartily?
asked by aileen 
Civics
Did the American revolution undermined support for property qualifications for voting?
asked by tee 
Physics
When a golf club strikes a golf ball, the club is in contact with the ball for about .0016 s. The 45g ball acquires a speed of 71 m/s. a) What is the magnitude of the impulse applied to the ball? b) Estimate the magnitude of the average force exerted by
asked by Aestas 
chem
how do you Convert moles S2O3^2 to moles I2
asked by tara 
math
4 8ths Equvalent Fraction. . . . . . . . .!
asked by Math.!!:B 
algebra
LCM of 14, 40, and 36
asked by Kimberly 
US history
why can the Gadsden purchase be referred to as "conscience money"??
asked by Bobbi 
mah
Use pennies, nickles, dimes, and quarters. Make a combination that is worth one dollar where you have one of some kind of coin, double of another, double that of another, and some number of the last coin.
asked by Anonymous 
chem
how do I caluclate (H3O+) in a solution if the PH is the following 1.81
asked by dada78 
math
what is 80+80
asked by nada 
MATH
I am trying to figure out how to work this problem and need help. Q How many 2X6 pieces of 16 ft x 5 1/2 ins. for a porch that measures 16ft x 14ft? I changed the mixed number to an improper fraction (11/2) and found the area (224). 11/2 x 224/1
asked by Caroline 
Chemistry
What is the total pressure of a mixture of gases made up of CO2, O2 and H2 if the partial pressures are 22.3 kPa, 44.7 kPa and 112 kPa respectively?
asked by Anonymous 
Math
Angles 1 and 2 shown on the back of the envelope are congruent.What is the measure,in degrees of
asked by Anonymous 
Calculus
Evaluate the following integrals {e˄x+e˄x/ e˄x dx
asked by Zukii 
Geometry
A line parallel to one side of a triangle divides one of the other sides into segments of lengths 15 and 9 and divides the third side so that the longest portion is 36. How long is the shorter portion of the third side?
asked by Kareem 
Chemistry
A solution is prepared with 50.0g of HNO3 and 130.0g of H2O. It has a density of 1.21g/mL. What is the total volume (mL) of the solution?
asked by Sara 
english
entertainment is a barrier to accademic work
asked by damola 
Chemistry
How do I convert moles to figure out chemical equations?
asked by Eric 
math
A person hired a firm to build a CB radio tower. The firm charges $100 for labor for the first 10 feet. After that, the cost of the labor for each succeeding 10 feet is $25 more than the preceding 10 feet. That is, the next 10 feet will cost $125, the next
asked by lisa 
Sociology
My question that I would like to know from the experts, is did I answer the questions below correctly? 1=C, 2=C and 3=D 1)Which sociological perspective holds the view that people create their social worlds through interaction and manipulation of symbols?
asked by Sharon 
vocabulary
which word is not an example of blending? a)housewife b)brunch c)telethon d)electrocute
asked by Amie 
Calc,
Find the value of the definite integral: int= integral sign int((x + 2)/(x^(3/2)),x= 16..25)dx I have no idea how to start this... would I get rid of the fraction?
asked by CMM 
Chemistry
If a 25.0 mL sample of 0.500 M HCl solution were diluted 125fold, what would be the volume and concentration of the diluted solution?
asked by Chris 
math
Input:4 and 6 Output:12 and 17 What's the rule
asked by Jake 
physics
hi thank you for your help: i have a question that deals with finding the direction and magnitude of the net magnetic force on a loop that is next to a wire (the loop is in the wire's magnetic field) how do i set up a question like this? do i have to
asked by kiksy 
elapsed time
elapsed time is 2hr 37min, end time is 10:52P.M., what is the start time?
asked by Michelle 
math
If an electrician works for $750.00 per hour. What would be his salary for 2 days?
asked by micheal 
vocabulary
the latin base CORD means: a)hand b)eye c)heart d)head thank you so much for helping.
asked by Amie 
bio
Supercoiling of DNA can occur (choose all that apply): A. when double stranded DNA is overwound B. when double stranded DNA is underwound C. when double stranded DNA is heated above it's Tm D. when DNA is treated with nucleases and Generally, cellular DNA
asked by Yoo 
chemistry
Explain how you would prepare the following dilute solutions from the more concentrated ones: a. 200ml of .500M HCL from a 6.00M HCL solution.
asked by cameron 
Stats
identify what is the 95 percent confidence interval for upper class respondents, give you have known their mean=15.34, standard deviation=3.48,and cases=38
asked by Nancy 
Diff EQ
Find all critical points of the given system and investigate the stability of each. dx/dt = y  1 dy/dt = x^2  y
asked by Alex 
algebra
A motorvoat goes 36 miles upstream on a river whose current is running at 3 miles per hour. The trip up and back takes 5 hours. What is the speed of the boat ( assuming that it maintains a constant speed relative to the water)?
asked by jjj 
English
I Need Help In English? First off, I'd like to introduce myself. My name is Anta and I'm currently a Senior and have to do this online course to graduate and I am basically left with no choice but to teach myself. The lesson I'm on now has been quite a
asked by Anta 
precalculus
For the Function, y= x(x4)(x+8) Yintercept is: Xintercept is:
asked by katrina 
Physics
If you throw a rock as far as you can from the ground level of a building, and from the top level of a building, will it go further horizontally when thrown from the higher level or from the ground level?
asked by Cheryl 
trig
2 cosine squared pi over 8 minus 1 find exact value of given expression
asked by Lauren 
MATH ALGEBRA
Can someone explain how to do this problem pleeeeasseeee. i need help .:/ . 3x – 11 = 10 – 4x THANKS SO MUCH!
asked by Clueless. 
biology
A gene for flower color can have multiple alleles like purple, white, or red. True ot false?
asked by Anonymous 
HCS 320
I am supposed to outline how to integrate communication from a central command area to all areas of the organization. The organization is FEMA. I am completely lost and I just need some help on how to get started. For instance what would be the central
asked by Ashley 
algebra
vote count for canidiate a is 7310. vote count for b was 14190. ther is only 2 candidates what percent voted for a?
asked by please please help! 
Group Behavior in Organizations
What is the importance of group member's perceptions about leadership and why is the phenomenon important as it pretains to group outcomes?
asked by Anonymous 
Group Behavior in Organizations
How does social influence/interaction affect decision making?
asked by Anonymous 
Group Behavior in Organizations
Why is it said that research about groups is not always valid and relevant?
asked by Anonymous 
Group Behavior in Organizations
Are group or individuals more effective in work environment?
asked by Anonymous 
ordering decimals
I do not understand how to find out what number come's between 0.425 and 0.475 would it be $ 4.25 $4.75
asked by mom 
Chemistry
Write a net ionic equation and calculate K for the reaction in aq between acidic acid and sodium hydroxide. Given Ka (acidic acid) = 1.8 x 10^5
asked by Paul 
physics
how fast will a object be traveling when drppped from 30 feet high
asked by albert 
physics
A straight ladder is leaning against the wall of a house. The ladder has rails 4.50 m long, joined by rungs 0.470 m long. Its bottom end is on solid but sloping ground so that the top of the ladder is 0.780 m to the left of where it should be, and the
asked by Bob 
Algebra 1
Can you show the steps and explain how to solve 8(x2)
asked by Dillon 
Computer programming
Submit pseudocode for the following programming exercise: Fat Gram Calculator Design a program that asks for the number of fat grams and calories in a food item. Validate the input as follows:  Make sure the number of fat grams and calories are not less
asked by Viper 
Chemistry
A sample gas has a volume of 200 cm^3 at 25 degrees celsius and 700 mmHg. If the pressure is reduced to 280 mmHg, what volume would the gas occupy at the same temperature?
asked by B 
math
identify what is the 90 percent confidence interval for occupational prestige for respondents with only a bachelor's degree (N=750), given you have known their mean=52.74, standard deviation=12.67.
asked by Nancy 
Calculus
evaluate the following integral e˄x+ e˄x/ e˄xe˄x dx
asked by anonomous 
math
Need to write ratio 3 different ways. 1. 6 pencils to 4 erasers ANSWER= 6/4, 6 to 4, 6:4 Need to write an equivalent ratio for each. 1. 9/36 ANSWER= 1/4, 9 to 36, 9:36
asked by Ann 
6th grade Spanish
I have two questionsWhich sentence is written correctly? Es un buen clase. Es un buena clase. Es un buena clase. I think it is Es un buen clase. Is that correct? Second question The term pelota refers to any kind of sports ball. Pelota is a ball but what
asked by Shelby 
geometry
the diagonals of a rhombus have the lengths 6 and 8 centimeters. whats the number of centimeters of the perimeter of the rhombus?
asked by sam 
algebra
brad wants to buy flowers for his friend with $21. The daises are $2 each and the roses are $3 dollars each.He buys 3 more daisies then roses. how much did the roses cost?
asked by please please help! 
Cal II
Intergral (279x^2)^(1/2) fit to theorem (a^2u^2)^(1/2)
asked by Michelle