Questions Asked on
September 12, 2011

science
a sample of metal has a mass of 94.5 grams and a volume of 7 cubic centimeters. what is its density?
asked by zeke 
College Physics
A cable attached to a block of mass 16.35 kg pulls the block along a horizontal floor at a constant velocity. If the tension in the cable is 9.36 N, what is the coefficient of kinetic friction between the block and the floor? not sure how to do this one
asked by Anon 
Maths
Find the sum of the following series 8+12+18+as far the 6th term
asked by Cy 
immunology
what is meant by natural immunity to parasites?
asked by yr 
science
How do you calculate the gravity of an object? equation needed h=1/2 gt^2 Solve the equation for g; g=2h/t^2 Set height is 2 foot, dropped small object from 2ft, timed at 0.3 seconds. Calculate the gravity of the object. Is this right? 2=1/2*9.8 t^2
asked by Chris 
Biology
Please help. Assume that a cell culture has a density of 10^8 cells/mL. You transfer 20 microliters of this culture onto the microscope slide. A) How many cells do you expect will be in this 20 microliters drop you placed under the microscope? B) You add
asked by Celine 
government
WHat duties are given to the president in article II of the us constitution?
asked by loren 
chem
calories need to melt 60.0 of ice at 0 and to warm the liquid to 65 (two steps)
asked by miguel 
math
Give a formula for the exponential function . The two points marked on the graph are A=(−1−43) and B=(12). The red horizontal line is given by y=5, and is a horizontal asymptote of the function.
asked by ryan 
Comp 156
What might you do to provide yourself with the best opportunity to succeed when writing your college papers?
asked by Who 
basic statistics for the behavioral sciences
on a standard test of motor coordination, a sports psychologist found that the population of a average bowlers had a mean scores of 24,with a standard deviation of 6. she tested a random sample of 30 bowling alley and found a sample mean of 26, a second
asked by jan 
College Physics
Consider a rock thrown off a bridge of height 78.5 m at an angle è = 25° with respect to the horizontal as shown in Figure P4.20. The initial speed of the rock is 15.6 m/s. Find the following quantities: (a) the maximum height reached by the rock (b) the
asked by HELP 
chemistry
How do I balance this equation. Give the complete or "molecular" equation for the predicted partner exchange reaction. FeCl3 and NH3
asked by Anonymous 
algebra
5/(2x+1)^2  3/(2x+1)=2
asked by Anonymous 
English
I was wondering if someone can help me figure out what point the author is making in "On the Pleasure of Hating" by William Hazlitt. And what a good quote from his On the Pleasure of Hating" to use is.
asked by taylor B 
science
What is the effect of the type of alcohol (methanol, ethanol and pentanol) on the evaporation time?
asked by Alberto 
University Physics
David is driving at a steady 36.0 m/s when he passes Tina, who is sitting in her car at rest. Tina begins to accelerate at a steady 1.20 m/s2 at the instant when David passes. How far (in m) does Tina drive before passing David?
asked by Me 
math
A man agrees to pay $450 per month for 48 months to pay off a car loan. If interest of is charged at 12% compounded monthly, how much did the car originally cost?
asked by mimi 
Math
Solve for S: r^2s5s=7. Solve for b: L= 4a^2b. I'm confused about how to solve these problems. Could someone show me the steps?
asked by Sue 
University Physics
A rock is tossed straight up with an initial speed of 20 m/s. When it returns, it fall into a hole that is 8.0 m deep. What is the velocity of the rock (in m/s) when it hits the bottom of the hole? Use 9.80 m/s2 for the local acceleration due to gravity
asked by Me 
science
project
asked by sanjay kumar 
math..please i need your help
Please can you help me to solve and get the solution for these problems. how to get the solution please help me for my homework. question: 1.Find the price of a 10% coupon bond with 10 years to maturity if interest rates: A) increase by 1% B) decrease by
asked by jessie 
physics
An airplane of mass 2800 Kg has just lifted off the runway. It is gaining altitude at a constant 2.3 M/s while the horizontal component of its velocity is increasing at a rate of 0.86 M/s2. Assume g= 9.81 M/s2. (a) Find the direction of the force exerted
asked by John 
essay
What should you consider when looking for helpful sources? What are some red flags that indicate you should avoid a particular source?
asked by Anonymous 
Physics
How do you derive the equation for position vs. time from the velocity vs. time equation? For example let's say the velocity equation is v = 0.17t + 0.43 How would I go about figuring out the position vs. time equation with accurate numerical constants?
asked by Anonymous 
PHYCIAL SCIENCE
THE DISPLACEMENT PER unit time?
asked by MPUMELELO 
physics
The ball is thrown with an initial speed of 3.7 m/s at an angle of 15.4° below the horizontal. It is released 0.83 m above the floor. What horizontal distance does the ball cover before bouncing?
asked by !!!! 
physics
a ball is dropped from height 10 m. it rebounds to a height of 5m.the ball was in contact with the floor for 0.01s what was its acceleration during contact?
asked by patel 
Math
One side of the triangle is 2cm longer than the second side. The third is 3/5 as long as the first side. If the perimeter of the triangle is 24cm, Find the lengths of the three sides.
asked by Roland Lewis Santos 
English
Can you please check the grammar in the following sentences? They are all about summer holidays. 1) During my summer holiday I got some work experience as a waitress in a guesthouse in the mountains. I just had to serve food at meals. 2) I worked full time
asked by Henry2 
English
What are the ways of getting acquainted?
asked by Anne 
English
I left out the following questions. Can you please check them, too? 1) My father works as a lorry driver and I helped him unloading goods from his lorry. 2) I spent the first part of my holiday studying for my makeup exams in Physics and Maths. Then I
asked by Henry2 
nursing evidence
_ _ _ _ _ _ _ _ _ 1. Information used to conduct our lives _ _ _ _ _ _ _ _ _ 2. To solve a problem by collecting the necessary pieces of information and putting them together _ _ _ _ _ AND _ _ _ _ _ 3. Try several approaches until one works _ _ _ _ _ _ _ _
asked by jennifer 
geometry
Points A, B and C are collinear with B between A and C. If AB=3x4 and BC=4x+7 and AC=12x12, find the value of x?
asked by Brianna 
math
what is the different between direct variation and Inverse variation,, pls help i have a quiz tomorrow
asked by raffael 
Science
You wish to make 1L of sterile lysis buffer soln. that is 10mM TrisEDTA (pH 8) and 2% SDS. You have plenty of the following stock solns.: 2M TrisEDTA (pH 8) and 20% SDS. However, SDS cannot be autoclaved and must be added to the soln. after autoclaving
asked by Sue 
MATH  Calculus
Evaluate the following limit: e) lim f(x)f(a) / x  a x>a if f(x) = x^2 + 5
asked by Raf 
psychology
A researcher predicts that listening to music while solving math problems will make a particular brain area more active. To test this, a research participant has her brain scanned while listening to music and solving math problems, and the brain area of
asked by summer 
chemistry
give the state symbols of the reaction: 2H2 +O2 =2H2O
asked by christiana 
chemistry
balance the equation:C2H6 + O2 = CO2 + H2O
asked by christiana 
English
Thank you very much for your corrections. I checked my mistakes but I have some more doubts. 1) During our stay in London we were accomodated (we stayed) in a threestar hotel. 2) We had breakfast and dinner at the hotel and we were free to have lunch
asked by Henry2 
chemistry
state symbol for 2Mg
asked by Anonymous 
chemistry
i mean state symbols for the equation: 2Mg + O2 = 2MgO
asked by Anonymous 
geography
Name the seven countries that are a part of Central America. My answer is, Belize, Guatemala, Honduras, El Salvador, Nicaragua, Costa Rica, and Panama. Is this correct?
asked by Reed 
geography
Which continent is smaller in area than Europe? My answer is  Australia is smaller. Is this correct?
asked by Reed 
chemistry
during the burning of coal: C + O2 = CO2 if 12g of carbon is burnt in plenty of oxygen,what mass of carbon dioxide is produced
asked by christiana 
Math
I have a triangle that is 33' X 33' X 33' X 6" deep. How may cubic yards is this?
asked by Wayne 
PreCalc/Trig
Please check the first and help with the secondthank you Find all possible rational roots of f(x) = 2x^4  5x^3 + 8x^2 + 4x+7 1.I took the constant which is 7 and the leading coefficient which is 2 and factored them 7 factored would be 7,2 2 factored
asked by Jaclyn 
english
compare the island in the opening and closing chapters of the novel lord of the flies.
asked by kyle 
English
I have a few more doubts on your corrections. Thank you!! 1) Is it wrong to say "wipe the blackboard with a duster" or is only "clean" possible? 2) "do a course" is a mistake? you can only say "take/attend a course? "take a tour, go on a tour, make a tour"
asked by Henry2 
maths
can we mark 2 or more points common to two angles
asked by pavatharani 
arithmetic
If you treat the day of the month as a number (March 12th is the number 12, April 4th is the number 4), what is the average value of the numbers that represent the 6 Tuesdays that fall after September 12, 2011?
asked by Kesha 
Calculus
Find the distance traveled in 45 seconds by an object traveling at a velocity of v(t) = 20 + 2cos(t) feet per second.
asked by Lou 
PreAlgerbra
Need answers to the following, 1. 1/22/3 2. 1/61/2 3. 1/2divided by 2 1/2
asked by CD 
medical
how does the musculoskeletal system change from birth to adult? And what are the steps the system goes through from childhood to adulthood to reach 206 bones?
asked by spike 
algerbra 2
3x(squared 2)6x=0
asked by Jay 
physics
a waterfall is 122 m in height. calculate the rise in temperature if all potential lost is converted to heat.
asked by mini 
science
Write exhaustively on the construction of a UVvisible spectrophotometer
asked by julius 
accounting
The fixed cost is 100,000 the price is $80. a pair the product is 10,000 paris direct labor $35 a pair, direct material $30 a pair, total overhead $15 which adds up to $80. I dont't know how to start with this, than its asking if outsoucing the price would
asked by bernard 
education
How can a digital camera and a digital projector be used in a classroom to increase students' needs or increase teacher efficiency.
asked by bubba 
Chemistry
a girl is celebrating her 7th birthday. each guest is served one large slice of choclate cake, a hamburger, french fries, and some oranges. identify the food groups mentioned above. if one slice of chocolate cake contains 35g of carbohydrate, 15g of fat
asked by ROCKY 
Chemistry
Discuss in detail, the role played by DNA andRNA in genetic diseases. what are the breakthroughs, if any, in the treatment/management of genectic diseases?
asked by ROCKY 
fractions
write the following fractions in increasing order 45/44 5/4/and 8/13
asked by michael 
science
A 63 kg boy and a 44 kg girl use an elastic rope while engaged in a tugofwar on a frictionless icy surface. If the acceleration of the girl toward the boy is 1.7 m/s 2 , determine the magnitude of the acceleration of the boy toward the girl
asked by jasmine 
College CHEM
Name for Sn(BrO3)
asked by Bill 
College Physics
A batted baseball is hit with a velocity of 47.3 m/s, starting from an initial height of 8 m. Find how high the ball travels in two cases: (a) a ball hit directly upward and (b) a ball hit at an angle of 70° with respect to the horizontal. Also find how
asked by HELP 
Physics
A volleyball is spiked so that it has an initial velocity of 16 m/s directed downward at an angle of 62° below the horizontal. What is the horizontal component of the ball's velocity when the opposing player fields the ball? ______________m/s
asked by Dwight 
english
hi I need help with an english question. Compare the island in the opening and closing chapters of the novel lord of the flies. About half a page
asked by kyle 
Physics
You step onto a hot beach with your bare feet. A nerve impulse, generated in your foot, travels through your nervous system at an average speed of 106 m/s. How much time does it take for the impulse, which travels a distance of 1.80 m, to reach your brain?
asked by Dwight 
physics
a ball is thrown up with an initial velocity 20m/s. using g=10m/s2, a) what's the maximum height it can reach. b) what is the magnitude and direction of the ball's velocity 1 second after it is thrown. c) what is the magnitude and direction of the ball's
asked by jennifer 
European History
What are some of the disadvantages that Europes geography had?
asked by Chelsea 
chemistry
How much energy (in kilojoules) is released when 21.0 of ethanol vapor at 94.5 is cooled to 19.0?
asked by chem 
College Algebra
Did I describe the meaning of this formula correctly, P(x)=12x+10,000? That it is the base amount which is added on to get this result. In other words, by operating generates 10,000. no matter how long it is continued.
asked by Metalynn Johnson 
cook
what is the excess in fat?
asked by serenah 
Algebra (please help)
Determine whether the following statement makes sense or does not make sense, and explain your reasoning (modified from true/false format of text): If f(x) = 3x, then f^1(x) = 1/3x A) This makes sense because the inverse would divide by 3 to "undo" the
asked by Christian 
Intervention English
what does descriptive paragraph mean
asked by landon 
Literacy
Please check my work. Thank you. 1. According to FedStats, what was the number of building permit in 2007? A. 61,617 B. 54,059 C. 496,686 D. 1,500,173 Answer #1 is D. 2. Which of the following is a primary source? A. Newspaper article published in the
asked by Jen 
english
which of these word groups are punctuated correctly, it rained every day of our vacation nevertheless we had a wonderful time
asked by Anonymous 
statistics
A production process historically produces 95% items that are considered acceptable qualitywise and 5% that are defective.A sample of 50 items is taken. Determine the following probablities: Probability that exactly 47 items will be good.
asked by Anonymous 
math
10+4(m+2)
asked by aaa 
Calculus
FIND THE LIMIT As x approaches 0: tan 5 x/sin 25 x
asked by Star 
math
You are a member of a fund raising comittee for your school. The committee is sponsoring a fair. Each member of the committee has agreed to sell 50 tickets to the fair. Student tickets are $3 each and adult tickets are $5 each. Let t represent the number
asked by aaa 
math
simplify: 8+c+(10) simplify: 12w+20 simplify: 3(2y9)+y
asked by emily 
chemistry
what is the balanced equation for xenon gas reacting with fluorine gas?
asked by anonymous 
SOCIOLOGY
Will someone suggest websites for the below? Developments in parenting by lesbians and gay men.
asked by PENNY 
physics
Two cars both travel at 25km/kr collide into each other, assuming both have same masses. What would happen to the fly which is flying in the midway?
asked by jon 
Physics
A jetliner is moving at a speed of 235 m/s. The vertical component of the plane's velocity is 34.3 m/s. Determine the magnitude of the horizontal component of the plane's velocity. _____________m/s
asked by Dwight 
chemistry
A glass apparatus contains 26.223 g of water when filled at 25 °C. At this temperature, water has a density of 0.99704 g/mL. What is the volume of this apparatus?
asked by ellen 
Business ethics
what are 7 ethical guidelinces (laws, acts or executive orders) I can research?
asked by hillary 
Chemistry
Iron reacts with HCl solution to give H2 gas and Fe2+ ions. Suppose that 6.5 g of iron are to be dissolved in 1.4 M HCl. What is the minimum volume (in mL) of the acid solution required to react with all of the iron?
asked by BillyBob 
math
how many miles of irragation lines would it take to water 17.5acres of corn?
asked by deedre 
numericals
A 100g bullet is firred from a 10 kg gun with a speed of 1000 m/s.What is the speed of recoil of the gun.
asked by neha 
Biology
Please help. Assume that a cell culture has a density of 10^8 cells/mL. You transfer 20 microliters of this culture onto the microscope slide. A) How many cells do you expect will be in this 20 microliters drop you placed under the microscope? B) You add
asked by Celine 
4th grade economy
how would a drought effect Florida's orange economy?
asked by brandon 
Math
What is dimensional analysis and how do you use it?
asked by Bryce 
United States Government
The United States has this form of government. *representative democracy *monarchy *direct democracy *constitutional republic I think it may be D since a constitutional republic had a government with limited power where the people are the main government
asked by Nina 
Chemistry
I am having trouble balancing the following equation using the IonElectron Method. Se(solid) + HNO3(aqueous) > SeO2(solid) + NO(gas) + H2O(liquid) Can you explain the steps that you have to take to solve it?
asked by Laura 
math
how do you find an outlier and tell how it affects the mean with these numbers? 13,16,12,16,3,14 and with these numbers 28,12,37,36,30,32,35?
asked by SJH all the way_<3 
Chemistry
Can you show me the process that you need to take to balance this basic redox reaction using the ion electron method? Tl2O3(solid) + NH2OH(liquid) > TlOH(solid) + N2(gas) + H2O(liquid)
asked by Kim 
math
what is the math term with the letters enitmelgens unscrambled
asked by scott 
Literacy
Please check my work. Thank you. 1. Which of the following is the most direct tool to find books owned by a library you are visiting? A. W i k i p e d i a B. Search engines like G o o g l e or Y a h o o C. Catalog D. Periodical database Answer #1 is B 2.
asked by Jen 
Physics
if the unit of power is the watt (W), and P = Fd/t, show using the result of question (2) and the fact that distance (d) uses units of meters and time has units of seconds. *** question 2. If m represents mass in kg, v represents speed in m/s, and r
asked by Allana 
science
a science acrostic full sentencess help!!
asked by t 
Physics
Convert 25 meters to centimeters and gigameters.
asked by Casey 
Math
FACTOR COMPLETELY 6abcx^242abcx468abc
asked by Casey 
Dimensional Analysis
eLydi wrote 4 1/2 pages of her science report in one hour. What was her writing rate in pages per minute? My answer: ( ihavetwo, tell me which is right, if any are?) answer 1: 0.075 answer 2: 13.33
asked by Bryce 
5th Grade Math
If a hole was dug 5 feet deep and 5 feet in diameter, what would be the volume of dirt removed from the hole?
asked by Anonymous 
Anatomy
I have a question In a dehydration synthsis reaction which of the following occurs a. hydrogen and oxygen are removed from the reactant b. water is added to the reactants c. water is broken down into hydrgen and oxygen d. both a and c I think it would
asked by Aubrey 
trig
Help find the general solution to:sin^2x3cosx+sinxcosx3sinx=0
asked by Piwokazi 
trig
Help find the general solution to:sin^2x3cosx+sinxcosx3sinx=0
asked by Piwokazi 
Government US
Scalia says that the Constitution is a fundamental exception from (or to) 1. the wishes of judges. 2. the interests of minorities. 3. the rule of law. 4. democracy. I would say Interests of minorities?
asked by HM 
algebra2
Write the expression (2x)(4y) + 9x + 10y + (8x)(4y) in a simpler form, if possible. I've tried this problem several times, and have gotten the wrong answer. Someone help?
asked by Joelle 
chemistry
Determine the empirical formula of a compound that contains 0.171 g of carbon combined with 0.471 g of oxygen.
asked by Geraldlyn 
chemistry
Determine the empirical formula of a compound that contains 0.171 g of carbon combined with 0.471 g of oxygen.
asked by Geraldlyn 
chemistry
Determine the empirical formula of a compound that contains 0.171 g of carbon combined with 0.471 g of oxygen.
asked by Geraldlyn 
math
i need to approximate profit in this equation 3. Hot Rocks Music sells CDs. If the profit can be approximated by following equation: , where x represents the number of thousands of CDs sold. Approximately, how many CDs must be sold in order for the company
asked by David 
math
what is the product of 93 and 23
asked by cameron 
Government US
Justice Breyer advocates using values rather than _____ to interpret the Constitution. 1. precedent 2. content 4. details My answer will be Content2 what say?
asked by HM 
Math
A car covers 2924 km in 43 hrs. What is it's speed
asked by Monique 
geometry
if EBD= 4x8, and EBC=5x+20, find x
asked by Carlos 
Physics
A rocket is launched at an angle of 56.0° above the horizontal with an initial speed of 96 m/s. The rocket moves for 3.00 s along its initial line of motion with an acceleration of 31.0 m/s2. At this time, its engines fail and the rocket proceeds to move
asked by Elaine Jetton 
Business 101
How do social trends affect business's positively or negatively?
asked by Sherry 
Math
Sorry if you spend $4 every 7 mins, in 9 days you'll spend how much
asked by Monique 
physics
during takeoff, an air plane goes from 0 to 360km/hr in 5s. A.) what is its acceleration? B.) How fast is it going after 5 s? C.) How far has it traveled by the time it reaches 50m/s?
asked by Tara 
scientific method and measurement 8th Hons science
what allows results to be verified to maintain credibility?
asked by hannah 
Geometry
Determine if it is always sometimes never or always true  ray LJ and ray TJ are opposite rays the intersection of two planes is a point
asked by Casey 
math
2[(103) + 6(5)] = what? I can up with 74
asked by cassandra 
Geo Hons
Okay heres the pic. There is a plane with points B,D, and E.those [oints are collinear in the plane. And also outside of the plane is points A, and C. and those points are collinear outside of the plane.thought Line AC intersect at point B of the line
asked by Alexander 
Pronoun agreement
I was surprised when the news program told about a new crisis in the Persian Gulf. a. Correct b. Faulty I would say it is faulty.
asked by HM 
Pronoun agreement
Everyone drove (his, their) own car to the scout meeting. a. his b. their My teacher says the Everyone is a singular but this only sounds correct with their.. What is the correct version?
asked by HM 
governement
any criticism or support the American news is saying about the government.
asked by mary 
Pronoun agreement
Are my answers correct? 1. (Points: 2) Neither of the actors has learned (his, their) lines. a. his 2. (Points: 2) Her briefcase and umbrella were missing from (its, their) usual place in the hall. b. their 3. (Points: 2) Company rules require every memo
asked by HM 
Science
I have two questions that I need some help with please. 1) Developing a scientific understanding of a natural phenomenon typically begins by A)making a prediction B)Testing a hypothesis C)proving an answer or D) making an obvservation. I'm pretty sure it's
asked by Jon 
math
what units are used when talking about area?
asked by scott 
Easy English
does a sentence go like this: ". or like this? ."
asked by Bryce 
math
decimal value for 1/11
asked by tom 
English
I was surprised when the news program told about a new crisis in the Persian Gulf. a. Correct b. Faulty It feels like this question is Faulty. Is it ?
asked by HM 
Physics
A parallelplate capacitor consists of two square plates 18 Cm on a side, spaced 0.50 mm apart with only air between them. What is the maximum energy that can be stored by the capacitor?
asked by Paige 
Geometry
Point C is the center of the circle. Angle ACB measures56 degrees What is the measure of arc AB? How do you work this out?
asked by Alexis 
chemistry
what volume of a 0.272 M solution of HBr is needed for a reaction that requires 49.5 g of HBr? Answer in units of L.
asked by Anonymous 
PreCalc
I know about Descartes Rule but I don't really get how to figure this outPlease check my answers I don't get this one find number of possible positive and negative real roots of f(x) = x^4x^3+2x^2 + x5 I think there are 3 sign changes so there are 3
asked by Jaclyn 
Math
Determine if it is always sometimes never or always true  ray LJ and ray TJ are opposite rays the intersection of two planes is a point
asked by Casey 
math
what does division mean?
asked by scott 
English
The lecture was boring, but they took notes anyway. a. Correct b. Faulty
asked by HM 
Algebra
How do i graph yintercept decimal on a graph? y=5x5/2
asked by Priscila 
morton
1246*0+15=34
asked by hilery 
sociology
I am writing an essay about my unique,distinctive and universal characteristics. I started my into and i was wondering if someone good proof read for an errors. Thank you
asked by katie 
Math
Okay heres the pic. There is a plane with points B,D, and E.those [oints are collinear in the plane. And also outside of the plane is points A, and C. and those points are collinear outside of the plane.thought Line AC intersect at point B of the line
asked by Alexander 
geometry
find other endpoint of line segment with a given endpoint and midpoint endpoint (2,1) Midpoint (7, 2)
asked by jordan 
algebra
write each problem in form ax^p +bx^q p and q are rational numbers [x^24x^(1/2)]/2x^(1/3) the answer is 1/2x^(5/3)2x^(1/6)
asked by r 
English Book
Does anyone know where I can read The Perfect Picture by James Thom online? for free of course.
asked by HM 
LA
I read this story called Secret life of Walter Mitty online. Question 1. Does walter undergo any changes as the story processes? is this the answer please check His "secret life" takes him to a world of amazing and fantastic adventures beyond the world of
asked by HELP! please 
Science
I need to know what cell is abundant in pus and I have looked but was wondering if a neutrophils is a cell? Can someone give me a link please? Thanks
asked by Sue 
physics
A pilot flying low and slow drops a weight; it takes 2.9 to hit the ground, during which it travels a horizontal distance of 115 . Now the pilot does a run at the same height but twice the speed. How much time does it take the weight to hit the ground?
asked by Lauren 
Biology
Please help. Assume that a cell culture has a density of 10^8 cells/mL. You transfer 20 microliters of this culture onto the microscope slide. A) How many cells do you expect will be in this 20 microliters drop you placed under the microscope? B) You add
asked by Celine 
Physics
Does an object still possess any kinetic or potential energy at absolute zero?
asked by Maria 
chemistry
S2(s)+H2(g)=H2S(g)
asked by m 
business
You have just started work for a small company, FitCo, that develops private fitness clubs in small towns. FitCo buys or leases a local hotel or motel, then renovates to provide a gym, swimming pool, sauna, Jacuzzi, and a small café where patrons can buy
asked by Anonymous 
chemistry
Calculate each of these equilibrium concentrations based on the reaction below. 2 NO(g) + O2(g) 2 NO2(g) K = 1.71 1012 (a) [NO] = 0.0048 M; [O2] = 0.000057 M; [NO2] = ? (b) [NO] = 0.0026 M; [O2] = 0.000023 M; [NO2] = ?
asked by Anonymous 
chemistry
Calculate each of these equilibrium concentrations based on the reaction below. 2 NO(g) + O2(g) 2 NO2(g) K = 1.71 1012 (a) [NO] = 0.0048 M; [O2] = 0.000057 M; [NO2] = ? (b) [NO] = 0.0026 M; [O2] = 0.000023 M; [NO2] = ?
asked by Anonymous 
Physics
A mass (m) rest on a frictionless slope within our physics lab room. The angle of the ramp with respect to the floor is 35 degrees. What is the magnitude of the mass's acceleration?
asked by Diane 
English
Can you check these sentences about summer holidays? Thank you. 1) When I was at the seaside, I usually bathed twice in the mornings. (went for swims). 2) I pushed my child on a swing and I watch him going on a slide. When I was at the swimming pool, I
asked by Henry2 
PHYSICS
A person walks 11.2 ◦ north of east for 4.06 km. Another person walks due north, then due east to arrive at the same location. How far due north would this person walk? Answer in units of km
asked by Anonymous 
Physics
A mass (m) rest on a frictionless slope within our physics lab room. The angle of the ramp with respect to the floor is 35 degrees. What is the magnitude of the mass's acceleration?
asked by Diane 
inglish and spanish
translate spanish to inglish
asked by lea 
math
what are the common factors of 9and75
asked by arjel 
math
movie tickets cost $10 for adults and $8 for children. The total sales form 120 tickets was $1120. how many adult tickets were sold?
asked by Anonymous 
vocabulary concepts facts
to find half of a number the number by2
asked by fernando lundy 
French
How many ways can you use Avoir? I know there is different ways, but im not sure of all of them.
asked by Bryce 
calculus
How do you determine the limit without substitution. ie. lim x> 2 sqr(x2)
asked by Leslie 
PHYSICS
A roller coaster travels 101 ft at an angle of 45.7 ◦ above the horizontal How far does it move vertically
asked by Anonymous 
math
8 pennies 7 nickels 7 dimes and 7 quarts into 3 groups
asked by kelsia 
Geometry
Okay heres the pic. There is a plane with points B,D, and E.those [oints are collinear in the plane. And also outside of the plane is points A, and C. and those points are collinear outside of the plane.thought Line AC intersect at point B of the line
asked by Alexander H. 
LA
which narrative uses "we" 1st, second or 3rd
asked by CAran 
College Physics
A batted baseball is hit with a velocity of 47.3 m/s, starting from an initial height of 8 m. Find how high the ball travels in two cases: (a) a ball hit directly upward and (b) a ball hit at an angle of 70° with respect to the horizontal Also find how
asked by HELP 
physics
A rock is thrown vertically upward from the ground with an initial speed 15m/s. a. how high does go? b. how much time is required for the rock to reach its maximum height? c. what is the rock's height at t=2.00s?
asked by mehari 
physics
A motorist traveling at 15 m/s encounters a deer in the road 46 m ahead. If the maximum acceleration the vehicle’s brakes are capable of is −7 m/s2, what is the maximum reaction time of the motorist that will allow her or him to avoid hitting the deer?
asked by Anonymous 
English 12
I need help on paraphrasing "No man is an Island" No man is an island entire of itself; every man is a piece of the continent, a part of the main; if a clod be washed away by the sea, Europe is the less, as well as if a promontory were, as well as a manor
asked by NeedsHelp 
geometry
What value of x would make these pentagons similar? Side A= 21 Side B= 3x2 Side A'= 15 Side B'= 2x+1
asked by Keisha 
physics
A fishtank with inside dimensions of 30.5 cm X 61 cm X 30.5 cm is filled with water. What is the volume in cm3 of water required? What is the mass in grams of the water required? What is the mass in kilograms?
asked by jeff 
physics
A rock is thrown vertically upward from the ground with an initial speed 15m/s. a. how high does go? b. how much time is required for the rock to reach its maximum height? c. what is the rock's height at t=2.00s?
asked by mehari 
physics
Find the density in g/cm3 of a 120 cm3 piece of metal having a mass of 2 kg.
asked by kelly 
ruler
how can say you can use forceps during a science inquiry to pick up a small object place it under the microscope it will appear larger in spanich please
asked by lea 
translation
how can say you can use forceps during a science inquiry to pick up a small object place it under the microscope it will appear larger in spanich please
asked by lea 
science
Which of the following would result in the greatest erosion? A) creek flowing down a hill B) water sitting in a lake C) rain soaking into the ground D) large river flowing down a mountain
asked by miki 
Algerbra 2
Simplify and show the steps to the problem 4(14x10y)  6( y + 4x)
asked by Micah 
physics
A fishtank with inside dimensions of 30.5 cm X 61 cm X 30.5 cm is filled with water. What is the volume in cm3 of water required? What is the mass in grams of the water required? What is the mass in kilograms? The fishtank above measures 1 ft X 2 ft X 1 ft
asked by jeff 
Chemistry
Armes determines that the side of a cube measures 7.100 cm exactly. What is the appropriate value for the volume of the cube?
asked by Deauna 
physics
The initial speed of a cannonball is 500 m/s. The acceleration of gravity is 9.8 m/s2. The cannon and target are at the same elevation. If the ball is to strike a target that is at a horizontal distance of 3.7 km from the cannon, what is the minimum time
asked by Anonymous 
PreCalculus
Using the difference quotient to find Msec for h=0.5 at x=1. f(x)=2x+5 difference quotientf(x+h)f(x)/h
asked by Elliot 
physics
At a point high in the Earth’s atmosphere, He 2+ ions in a concentration of 2.8 X 1012/m3 are moving due north at a speed of 2.0 X 105 m/s. Also, a 7.0 X 1011/m3 concentration of O2 ions is moving due south at a speed of 7.2 X 106 m/s. Determine the
asked by kassi 
third grade math
Does (4+5) + 2 = 9+2? Explain
asked by Alex 
General
Can someone tell me a good search engine?
asked by Sue 
Algebra 2
Solve equation and show steps, explain, and i would like to thanks mrs. sue, who answered my last question, and i would like to thank in advanced whoever answers this question :)
asked by Micah 
physics
An airplane is flying with a velocity of 86.0 m/s at an angle of 20.0^\circ above the horizontal. When the plane is a distance 119 m directly above a dog that is standing on level ground, a suitcase drops out of the luggage compartment.How far from the dog
asked by Anonymous 
Physics
if the unit of power is the watt (W), and P = Fd/t, show using the result of question (2) and the fact that distance (d) uses units of meters and time has units of seconds. *** question 2. If m represents mass in kg, v represents speed in m/s, and r
asked by Anthony 
Physics
Convert 25 meters to centimeters and gigameters.
asked by Jack 
Physics
Convert 25 meters to centimeters and gigameters.
asked by Jack 
math
If two is company and three is a crowd, what are five and four?
asked by Makayla 
chemistry
what weight of sodium carbonate and sodium bicarbonate are required to make 500 mL of 0.35M BUFFER,pH 9.0 (pKa=9.8..)
asked by nana 
physics
Find the density in g/cm3 of a 120 cm3 piece of metal having a mass of 2 kg.
asked by Me 
math
2y+6,3y and y4 are all integers and y4 is the median of these intergers which of the following could not be value of y?
asked by dante 
Physics
r vector=(340m, 39 degrees below positive xaxis) What is rx and ry? I have no idea how to do or approach this problem, anyone please help and explain how to do this? Thank you!
asked by Sher 
sensitity analysis
Explain how you may use a trend analysis to plan for staffing at pattonfuller hospital
asked by jones 
chemistry
what weight of sodium carbonate and sodium bicarbonate are required to make 500 mL of 0.35M BUFFER,pH 9.0 (pKa=9.8)
asked by Love Babie 
mamagement operation
The city of Beljing is studying it Toursits Information Center. The Information collected about tourists arriving at the center is: interval time ( time between Arrivals)in minutes:(3,4,5,6,7)Probabilty percentage(20.2,23.6,31.2,18.4,6.6) The tourist
asked by cindy 
problem solving
in a soccer tournament there are 22 entries. the tourney is single mathc elimination. that is 2 soccer teams compete at the same time and the loser is elimnated. how many games will be played to deterenmine chanmpioneship?
asked by MATT 
SIENICE HELP!!!
Where along a river does deposition most often occur? A)along the manks B)at the mouth C)in a tributary D)in a meander My answer is B,am i right?
asked by LIDIA 
Chemistry
When 1.0 g of gasoline burns, it releases 11 kcal of heat. The density of gasoline is 0.74 g/mL a) How many megajoules are released when 3.0 of gasoline burns? b) If a television requires 150 kJ/h to run, how many hours can the television run on the energy
asked by D 
math
explain how you can find the difference using mental math then name the difference
asked by Anonymous 
human service
This is my ask I have to answer. explore the existing integration of mediation and advocacy within a human services agency on a national or international level. Where would I find the answer to this. I belive I am not understanding the meaning of
asked by Patiance 
physics
calculate the work done in lifting a 300N weight to a height of 10 m with an acceleration 0.5m/second square.
asked by gallium 
Anatomy
I have two question 1.In a dehydration synthesis reaction which of the following occurs a. hydrogen and oxygen are removed from the reactant b. water is added to the reactants c. water is broken down into hydrogen and oxygen d. both a and c I think it
asked by Aubrey 
Physics
After falling from rest from a height of 30 m, a 0.49 kg ball rebounds upward, reaching a height of 20 m. If the contact between ball and ground lasted 2.5 ms, what average force was exerted on the ball?
asked by LeVonte 
Algebra 2
last question, what is the most affective way to solve for slope when involving ordered pairs, ex. (8,9) (2,1) i learned this in class today, but information doesn't stick well in my head :)
asked by Micah 
SIENICE HELP!!!!
What would cause the most erosian? A)a small amount of water moving over a steep slope B)a small amount of water moving over a flat area C)a large amount od=f water moving over a steep slope D)a large amunt of water moving over a flat area My answer is
asked by LIDIA 
physics
a ball of mass 0.1kg makes an elastic head on collision with a ball of unknown mass,initially at rest .if the 0.1kg ball rebounded at one third of its original speed, what is the mass of the other ball?
asked by gallium 
Math Logic puzzle
A farmer has a goat, a wolf, and a cabbage. He wants to transport all three from one side of a river to the other. He has a boat, but it has only enough room for the farmer and one thing. The wolf willl eat the goat if they are left alone together, and the
asked by David 
Physic =s
A roller coaster travels 17.6 m at an angle of 38.0 ◦ above the horizontal. How far does it move horizontally? Answer in units of m
asked by Anonymous 
Chemistry
a sheet of metal is 97.4 mm wide and 59.4 mm long. if it weighs 9.788g and the density of the metal is 7.23g/cm^3, what is the thickness of the sheet(in mm) ?
asked by Smarth 
math
M less than 1 equals 43
asked by joey 
Chemsitry 2
a piece of nickel wire has a diameter of 0.568. if the nickel has a density of 8.90g/cc, how long( in meters) should you cut a piece of wire to obtain 0.0234 moles of nickel?
asked by Smarth 
chemistryt
Hexane has a density of 0.659 g/ml. How many milliliters (mL) would a student need to pour in order to get 49.5 g of hexane?
asked by Anonymous 
math
Man 6 feet tall cast shadow 15 ft long. Girl is 5 ft. 10 inches how long will her shadow be
asked by emily 
MS.SUE PLS HELP ME
Please can you help me to solve and get the solution for these problems. how to get the solution please help me for my homework. question: 1.Find the price of a 10% coupon bond with 10 years to maturity if interest rates: A) increase by 1% B) decrease by
asked by jessie 
statistics
It appears to people who are mildly obese are less active than leaner people. One study looked at the average number of minutes per day that people spend standing or walking. Among mildly obese people, minutes of activity varied according to the N(373,67)
asked by Darcy 
Ms.sue
Is there anyway i can possibly be allowed to post links? I think it would help me out a lot, i could also cite my sources a lot better. Please delete this when were done conversing.
asked by Bryce 
Math
Write each compound inequality as an absolute value inequality. 1.3 < h < 1.5 Could someone give me the step too? Thanks
asked by Shadow 
Math
Find the Limit of x>1+ x^3 + 1/ x  1 =? Please help and explain, I'm really lost.
asked by Michael 
Chemistry
If 1 mg = 10^3g and 1 Mg = 10^6g, how many milligrams are there in 0.25 Mg?
asked by Anonymous 
Math (Ms. Sue Please Help)
Determine whether the following statement makes sense or does not make sense, and explain your reasoning (modified from true/false format of text): If f(x) = 3x, then f^1 (x) = 1/3x A) This makes sense because the inverse would divide by 3 to "undo" the
asked by Christian 
geography
What is the capital of the country through which the 40 degrees N line of latitude and 20 degrees E line of longitude pass? My answer  Tirana, which is the capital of the country Albania. Am I correct?
asked by Reed 
books
discuss the view that oedipus at colonus embodies a profound philosophy about the meaning of life and the mystery of death
asked by daisy 
Social Studies
How are these facts contribute to life on earth? *Gravity holds the sun together. *The sun is about 4.5 billion years old. *The sun is by far the largest object in the solar system.
asked by Frances 
Algebra
Two numbers whose sum is 30 and product is 8800? How do I find that?
asked by Courtney 
Algebra
Two numbers whose sum is 30 and product is 8800? How do I find that?
asked by Courtney 
Chemistry
Simplify the following expressions. 15. 5 (5w4w)/10 17. 6a X 5b^2/3a^3 20. (4f + 13g) (2w)
asked by Amanda 
Math
How do you find the limit of 7 as x approaches 8, using inspection?
asked by Charloette 
Physics
A cross country team race is about to begin and team Delta decides to use their onedimensional kinematics knowledge that they learned from their first year physics course. Each team consists of two people and one horse. The clock is started when the team
asked by victor 
science
Why do you feel fuller when you eat meat than you eat fruits?
asked by Mom 
8th grade math
What is the perimeter of a rectangle with a length of 4 2/3 inches and a width of 3 1/3 inches
asked by Anonymous 
physics
if a 200g mass is placed at the 20cm mark (30 cm from the fulcrum), at what mark should a 500g mass be placed so that the system balances?
asked by ivory 
Biology
Please help. Assume that a cell culture has a density of 10^8 cells/mL. You transfer 20 microliters of this culture onto the microscope slide. A) How many cells do you expect will be in this 20 microliters drop you placed under the microscope? B) You add
asked by Celine 
math
what is the square root of 20?
asked by saranghae12 
6th grade science
Why do you feel fuller when you eat meat than you eat fruits? This is put with an energy assignment.
asked by Mom 
chemistry
Hypothesis on "behavior of solids on warming".
asked by alberto 
Physics
The V.A3 had an average speed of 96 km/h. Its momentum at this speed was 4.8 x 10(4)kg x m/s. What was the mass of the V.A3?
asked by Melissa 
Algebra (please help)
Which of the following relations has this characteristic: The relation is a function containing two ordered pairs. Reversing the components in each ordered pair results in a relation that is not a function. A) {(0, 2), (0, 3)} B) {(2, 3), (3, 2)} C) {(3,
asked by Kristen 
physics
Convert 25 meters to centimeters and gigameters.
asked by Jack 
english/folkolore
reading shepherd of the hills "i'd see him freeze in hell before id take his orders" is an example of what?
asked by Anonymous 
Math
Which of the following relations has this characteristic: The relation is a function containing two ordered pairs. Reversing the components in each ordered pair results in a relation that is not a function. A) {(0, 2), (0, 3)} B) {(2, 3), (3, 2)} C) {(3,
asked by Kara 
Science
Ibook batteries last for 5 hours What is the independent and dependent variable? What is the control group?
asked by Abby 
Math
Find lim x>3+ x3/x^2 9 =? Im still kind of confused please help
asked by Michael 
Science
How does adding Xray radiation affect the growth of rose bushes. What I need is the experimental group the control group the independent and the dependent and a reason why.
asked by Angel Navarro 
6th grade math
maria has 8 pennies, 7 nickels, 7 dimes, and 7 quaters. how can she divide this amount into 3 groups of equal values? what coins would be in each group?
asked by LDJ11 
math
suppose a penguin eats about 5 pounds of krill a day. about what number of krill does the penguin eat in 100 days? (hint: 1 pound =16 ounces.)
asked by stephanie 
Math, topology
How do I figure out this question...a farmer has a square field containing 11 oak trees. She wants to divide the field into 11 enclosures so that each has one shaded tree for her cattle. Divide the field using four straight lines to indicate where the
asked by Brandon 
Physical Science
Kinematicv = v0 + at and Energy½mv2 = mgh. Solve both equations for v. Time was 00.6 Measured from 2ft. What is the Velocity in m/s kinematic and the Velocity in ft/s energy
asked by Jason (please help) 
math
Researchers discovered a large group of krib that was more than 30,000 feet long. About how long is 30,000 feet, measured in the number of krill?
asked by stephanie 
Word Problem
A UPS employee, Davis, packs and labels three types of packages: basic packages, business packages, and oversized packages. Business packages take a priority over basic packages, and oversized packages because those customers paid a premium to have
asked by Julie 
social studies
what are needs in your home?what are wants in your home?
asked by sandy 
College Physics
A person riding a bicycle on level ground at a speed of 10.6 m/s throws a baseball forward at a speed of 19.1 m/s relative to the bicycle at an angle of 41° relative to the horizontal (x) direction. (a) If the ball is released from a height of 1.3 m, how
asked by Anon 
Calculus
Use the definition of continuity and properties of limits to show that the function is continues at given a. f(x)=x^2+sqrt(7x) a=4
asked by Kevin 
Math
y/5 (10x)
asked by Jessie 
chemistry
I have been at this question for at least three hours now. Consider the chemical system below. 2 NOCl(g) 2 NO(g) + Cl2(g) K = 1.6 105 What is the equilibrium concentration of nitrogen monoxide, [NO], given each of these initial conditions? (a) [NOCl]0 =
asked by Im so sick of this problem 
Calculus
Find lim x>3+ x3/x^2 9 =? I'm really confused on this concept.
asked by Michael 
social studies
Did the North or the South have an increase in railroad construction during the Civil War? I think the North did. The section in our book where we are suppose to find the answer is not very clear.
asked by Reed 
Ocean
Locations of hot spots remain fixed for a long time. As plates move across such hot spots, they form chains of volcanoes. The Hawaiian Islands are an example of such an island chain formed over a hot spot. Volcanoes on the Island of Hawaii are still
asked by Don 
Physics
A batted baseball is hit with a velocity of 47.3 m/s, starting from an initial height of 8 m. Find how high the ball travels in two cases: (a) a ball hit directly upward and (b) a ball hit at an angle of 70° with respect to the horizontal. Also find how
asked by Need Help 
dentistry or health
when you lift up your tongue, and you see this red bump, what is it, and how do you get it away?
asked by saranghae12 
math
writing in math Bethany has 40 apples. Write a subtraction story about the apples that would require regrouping. then write the answer in a complete sentence.
asked by nyra 
physics
The speed of a point on a rotating turntable, which is 0.264 m from the center, changes at a constant rate from rest to 0.902 m/s in 1.94 s. At t1 = 0.64 s, find the magnitude of the tangential acceleration. Answer in units of m/s2 I assumed the velocity
asked by squires 
physics
The speed of a point on a rotating turntable, which is 0.264 m from the center, changes at a constant rate from rest to 0.902 m/s in 1.94 s. At t1 = 0.64 s, find the magnitude of the tangential acceleration. Answer in units of m/s2 I assumed the velocity
asked by squires 
geography
Into how many degrees of longitude is the Earth divided? My answer is 360 degrees. Am I correct?
asked by Reed 
Math Word Problem
As payment for his daughters yard work, a father agrees to give his daughter an allowance of $3.50 in the first week of the year with an increase of 50 cents each week until the last week of the year. A) How much money did she receive for an allowance in
asked by Anonymous 
Physics
A Styrofoam ball of radius 60 cm falls with a terminal velocity of 8.65 m/s. What is the mass of the ball?
asked by HELP 
UOP
(1/15abc)*(5a^3b^5c^2)
asked by angel 
math
suppose a penguin eats about 5 pounds of krill a day. about what number of krill does the penguin eat in 100 days? (hint: 1 pound=16 ounces) 30 antarctic krill weigh about 1 ounce altoghter.
asked by stephanie 
Physics
A subway train is designed with a maximum acceleration of ±0.637 m/s2 , which allows for both passenger safety and comfort. (a) If subway stations are 8.6 km apart, what is the maximum velocity that can be obtained between stations? (b) How long does it
asked by HELP 
math
researchers discovered a large group of krill that was more thatn 30,000 feet long. About how long is 30,000, measured in the number of krill? Adult Antarctic krill are about 2 inches long.
asked by stephanie 
statistics
A salesperson finds that, in the long run, two out of five sales calls are successful. Twelve calls are to be made. Let X = the number of concluded sales. Is X a binomial random variable? Explain!
asked by Jane 
spanish
Choose the sentence in which the underlined word is grammatically correct. A. Africa no está tan grande como Eurasia. B. Era amigo de la princesa de India. C. El príncipe está de Sudamérica. D. El río más grande del mundo es en Sudamérica.
asked by Anonymous 
College Physics
A roofing tile falls from rest off the roof of a building. An observer from across the street notices that it takes 0.35 s for the tile to pass between two windowsills that are 2.45 m apart. How far is the sill of the upper window from the roof of the
asked by Tatyana 
Physics
A. A small plane departs from point A heading for an airport at point B 480 km due north. The airspeed of the plane is 200 km/h and there is a steady wind of 50 km/h blowing northwest to southeast. Determine the proper heading for the plane. B. How long
asked by John 
World History Honors
Write a series of five journal entries from the point of view of a member of a tribe that has been conquered by the Incas. Make sure that you bring out positive and negative aspects of Inca rule. Each journal entry should be about 200 words.
asked by mel 
Algebra
A boy can row a boat at a constant rate of 5 mi/hr in still water. He rows upstream for 19 minutes and then rows downstream, returning to his starting point in another 13 minutes. What is the rate of the current? What is the total distance traveled?
asked by Kaley 
statistics
In one elementary school, 200 students are tested on the subject of Math and English. The table below shows the mean and standard deviation for each subject. Mean SD Math 67 9.58 English 78 12.45 One student’s Math score was 70 and the same
asked by Anonymous 
social studies
the earliest Anasazi got their food by ________________ and _______________. Please help!
asked by saranghae12 
Physics
A total 3.09e6 electrons are placed on an initially uncharged wire of length 1.36 m What is the magnitude of the electric filed a perpendicular distance of 0.417m away from the midpoint wire? I used E=kQ/(x(x^2+L^2/4)^1/2) and I got 9.37e16 N/C which is
asked by Cesar 
English
In a way, you are connected to someone else. How can I make this less broad and more specific please and thank you
asked by NeedsHelp 
math
the side of a square is 2 meters long. what is the area of the square? what is the perimeter of the square in centimeters?
asked by stephanie 
math
explain how you can tell without multiplying that 700 * 60,000 and 7,000 * 6,000 have the same value.
asked by stephanie 
physics
A driver traveling at 25 mph in a school zone can brake to an emergency stop in 8 ft. Under similar conditions, what would be the braking distance if the car were traveling at 40 mph?
asked by Jose 
Legal Studies: Queensland/Australia
Hi beautiful people I need help incorporating the Police Powers and Responsibilities Act OR the Queensland Criminal Code into an argument about victimless crime. My two issues are currently the role of paternalism in the legal system and at what point the
asked by Em 
math
By default, your numerical entry is scored as correct if it is within 1% of the correct answer. A rule of thumb is always to enter at least 3 digits for numerical questions. If the correct answer is 7.08809, which of the following entries would be counted
asked by ashley 
A Dialog Between Dead Men
A Dialog Between Dead Men by Jorge Luis Borges I don't really get what happens in this story. Can someone explain more clearly or give me a link? Thanks!
asked by Skylar 
bio 12
you have an orginal populatonof eagles, then humans introduce new eagles in the same area. the new eagles reduce the amountof resources in its home range. what type ofdistrubtion would give the most accuarte assesment of sustainable maximum popualtion. the
asked by kelly 
Arithmetic Series   Reiny
Consider the series defined by Sn = 3n1 Find the first four terms of the series. How exactly do I do this?
asked by Anonymous 
Arithmetic Sequence
A child organizes animal blocks in rows on the ground. There are 64 animal blocks in the 5th row & 92 of those blocks in the 9th and last row. Suppose that the number of animal blocks frm row to row form an arithmetic sequence. The number of animal blocks
asked by Anonymous 
chemistry
If the amount of mercury in a polluted lake is 0.40 ug/mL, what is the total mass of mercury in the lake? (The lake has a surface area of 100 mi squared and an average depth of 25 ft).
asked by Elle