Questions Asked on
March 25, 2010

AP Chemistry
In 1.33L container, 4.20 AB3, is heated to 400C, and 2.98x102(negative 2) moles of A is present at equilibrium. AB3(g) A(g)+ 3B(g) (28.23amu) (a.) Write the expression for K (b.) Calculate the equilibrium concentration of the following gases (i.) B (ii.)
asked by sheer 
Calculusmath
If g(x) is the inverse of f(x), g(x)=f^1(x), such that g(3)=5 and f'(5)=4 what is the value of g'(3)????? :O 2. If g(x)is the inverse of f(x), g(x)=f^1(x), such that f(3)=15,f(6)=3,f'(3)=8,and f'(6)=2. What is the value of g'(3)???????? Calculus
asked by ]akeT 
algebra
Take any number (except for 1). Square that number and then subtract one. Divide by one less than your original number. Now subtract your original number. You reached 1 for an answer, didn’t you? How does this number game work? (Hint: Redo the number
asked by Anonymous 
biology
What are the storage and quick energy forms of carbohydrates found in animals, and how are these forms structurally related to each other?
asked by eric 
biology
Insects that live on land have a coating of wax on the outer surface of their body. What function might this wax serve for these animals?
asked by eric 
physic
A student on a piano stool rotates freely with an angular speed of 3.07 rev/s. The student holds a 1.38 kg mass in each outstretched arm, 0.759 m from the axis of rotation. The combined moment of inertia of the student and the stool, ignoring the two
asked by Mary 
Biology
What is the process of cellular respiration and why is it so important? Thank you.
asked by Angelica 
Biology
What is the process of cellular respiration and why is it so important? Thank you.
asked by Angelica 
college chemistry
a student did an alkalinity determination correctly,except that the sample titrated had a volume of 90.0 mL. Volume A was found to be 4.50 mL and Volume B was 7.00 mL. 1)Calculate the Alkalinity value from these data and then calculate the correct
asked by alissa 
chemistry
When a monoprotic weak acid is titrated with a strong base, the titration curve contains these many inflection points: a.zero b.one c.two d.three Can you also explain why you choose your answer to this question...thanks
asked by josh 
Calculus
Lef f be the function defined by f(x)=x^3+x. If g(x) is the inverse of f(x), g(x)=f^1(x) and g(2)=1, what is the value of g'(2)?
asked by ]akeT 
Chemistry
How many mL of 0.225M HCl would be required to titrate 6.00 grams of KOH?
asked by Danny 
Ethics
I am supposed to have a 1,400 to 1,750word autobiographical research paper analyzing the influences of race as it relates to my community. Need to write a firstperson account of how human interactions in my community have been racialized. For the
asked by Freddie 
Chemistry
What is the pH of a 0.200M solution for HBrO? Ka = 2.8 x 10^9
asked by Danny 
French
Is this correct? He saw construction workers building new buildings and he thought they worked hard for their dream and the buildings represent hope and future. Il a vu les travailleurs de construction de construire de nouveaux bâtiments, et il pensait
asked by sh 
accounting
I need a essay on environmental accounting and describing the concepts of it
asked by gwen 
english
ok Ineed help I don't know when to use paragraphs ???? help me before I die bescause we've lots of stories to write help help help help help
asked by najla 
Socials Studies *URGENT*
Research Territory, Food, Shelter, Transportation and Effect of European contact for Ojibwa, Assiniboin, Cree, Chipewyan, Inuit. Please help this is URGENT. I can't seem to find "Effects of European contact" for any of the groups. Although I don't quite
asked by John 
Math
Find stationary points: y=(3x1)(x2)^2
asked by Anonymous 
English
Can you please check if the following questions I need to prepare for tomorrow? Thank you very much in advance. Which of the first two questions is better expressed? 1) Briefly outline the features of the 18thcentury novels. Focus then on Defoe’s novels
asked by Franco 
Geology
Im after info that will help me answer what the relevance of the age of the oceanic crusts and the continental crusts within the south american plate Are there presence of hotspots on the south american plate? what is the process that is responsible for
asked by Alice 
chemistry
it is desired to prepare 250.0mL of a standard solution having a concentration of 0.1000M AgNo3. How many grams of a sample of AgNO3 of 98.8% purity are required for this purpose?
asked by T 
chemistry
it is desired to prepare 250.0mL of a standard solution having a concentration of 0.1000M AgNo3. How many grams of a sample of AgNO3 of 98.8% purity are required for this purpose?
asked by T 
college
For a normal curve with mean 5 and standard deviation 6, which of the following parts of the normal curve will have an area of approximately 68%
asked by Jewel 
chemistry
How many grams of iron(III) nitrate.9H2O could be formed from the reaction of 3.676 g of iron with excess HNO3? Please can u explain? i try balance the question i couldnt.
asked by ALi 
Australian history
Can you rewrite for me in simple sentences for this passage. As this history suggests, there have been notable and passionate battles for citizenship , despite the oftrepeated conclusion that there is an emptiness at its heart.Women had to accept
asked by Husy 
5th grade
Describe how proportions could be used to compare two products: If a 24ounce can of pears sells for 1.90 and a 32 ounce can sells for $2.65, which one is the better buy?
asked by Rae 
Math 116
Find the slope =, if it exists, of the line containing the pair of points (7,10) and (9,1)
asked by KiKi 
math
what is 11/3 round to nearest whole number? F)1 G)3 H)4 J)11 i got 3 2/3 so what would that be (G)
asked by george 
Chemistry
How many moles of air are there in flask with a volume of 125mL if the pressure is 745 mm Hg and the temperature is 22 celcius ?
asked by Meg 
math
Andrew worked from 9:45 am to 3:40 pm on Saturday.how long did he work on Saturday? A)5 hours 50 minutes B)5 hours 55 minutes C)6 hours 5 minutes D)6 hours 55 minutes i got 6 hours 35 minutes what did i do wrong
asked by george 
Chemistry
What is the density of carbon monoxide gas at 127 celcius and 763 mm Hg?
asked by Meg 
algebra
What is the domain and the range for the equation x^2 + y^2 + 4x + 6y  12 = 0 ?
asked by rold 
Math
Place >,
asked by Kirk 
Math
plumber needs four sections of pipe 2 7 8 feet long. Can this be cut from a 12 foot section? If so, how much pipe will be left over? If not, why not?
asked by Kirk 
math
Finding the domain of G(X)=4/43X Unsure where to begin here
asked by KiKi 
Math
Paul read 20 pages of a book in 15 minutes. (a) What is Paul’s reading rate of pages per minute? (b) If he continues to read at the same rate, how many pages will he read in 1 hour?
asked by Kirk 
Math
Use the tagging and recapturing technique to estimate the number of fish in a pond. Suppose 140 fish were captured, tagged, and released. Then 50 fish were recaptured and among them 20 were found to be tagged. Estimate the number of fish in the lake.
asked by Kirk 
physics
A bath tub is filled with 100 liter of water at 25 degrees celcius. How long do you stir the water witha teaspoon for the temperature to be 100 celcius.
asked by daphane 
Chem
Question 11 Marks: 4 Consider the equilibrium of water with gaseous hydrogen and oxygen: Give the value of for this reaction, if it is written as: Choose one answer. a. 7.8 x 10^16 b. 3.9 x 10^16 c. 1.3 x 10^15 d. 6.4 x 10^14 e. 3.6 x 10^2
asked by CAA 
physics help!
The tires of a car make 63 revolutions as the car reduces its speed uniformly from 94.0 km/h to 58.0 km/h. The tires have a diameter of 0.88 m. What was the angular acceleration of each tire? And If the car continues to decelerate at this rate, how much
asked by Anonymous 
physics help!
A small 520gram ball on the end of a thin, light rod is rotated in a horizontal circle of radius 1.5 m. Calculate the moment of inertia of the ball about the center of the circle. Then calculate the torque needed to keep the ball rotating at constant
asked by Anonymous 
Chemistry
How many mL of 0.225M HCl would be required to titrate 6.00 grams of KOH?
asked by Danny 
Chemistry
What is the pH of a 0.200M solution for HBrO? Ka = 2.8 x 10^9
asked by Danny 
chemistryplease someone answer...i am clueless
When a monoprotic weak acid is titrated with a strong base, the titration curve contains these many inflection points: a.zero b.one c.two d.three Can you also explain why you choose your answer to this question...thanks
asked by josh 
English
A married couple met at Juanita College in Huntingdon, Pennslvania. They are both lefthanded,and they have set up a scholarship for needy left handed students attending Juanita. Here is my answer does it make sense? A married couple who met at Juniata
asked by christopher 
math
what is 11/3 round to nearest whole number? F)1 G)3 H)4 J)11 i got 3 2/3 so what would that be (G)
asked by george 
English
The Rochester Institute of Technology in New York State chose 150 students born on June 12 1979. Each one received a grant of $1,500 per year. These awards were given to select students to honor the school's 150th anniversary which was celebrated on June
asked by christopher 
math
could someone please help. given each set of data for ∆ABC: a) solve for b given ∠B=88 degrees,a=31.5m,c=25.6cm b) solve for a given ∠B=66 degrees,∠C=28 degrees,c=11.6cm i) state whether the sine law or cosine law is required to solve the unknown
asked by deborah 
English
After school, I go to a drama club. There are a lot of clubs in my school, like a sports club and an art club. (In the sentences, what is the use of 'a'? Is it for a generic use or does 'a' mean just 'one'?)
asked by rfvv 
math
A triangular lot sits at the corner of two streets that intersect at an angle of 63 degrees. One street side of the lot is 35m and the other is 47m. how long is the back of the lot, to the nearest metre?
asked by deborah 
math
133, 115, 120, and 111 passengers on four shuttle flights between Los Angeles and San Francisco during 1 day. What was the total number of passengers?
asked by Anonymous 
precalculus
How do i know if a conic section is a circle, ellipse, hyperbola, or parabola? based on it's equation such as 4x^2  y^2 + 24x + 4y + 28 = 0
asked by dcw 
Math
On three consecutive passes a football team gains 7 yards, loses 34 yards and gains 24 yards. What number represents the total net yardage? For this would I just add 7+34+24 or is there a formula I should use?
asked by KiKi 
COM/105
How do prewriting activities like brainstorming and topic selection differ for individuals and teams?
asked by Denise 
COM/105
How should difficult issues like plagiarism be addressed—and why would these techniques be appropriate?
asked by Denise 
math
which of these statements about prime and composite numbers is true? F)all prime numbers are odd. G)all prime numbers have three factors. H)all composite numbers are divisible by two. J)all composite numbers have more then two factors i thinks it (J) but
asked by george 
microeconomic 2
given, STC=0.5^2 10q 200 SMC=q10 what is the short run average n marginal cost curve. i saw similar question posted by twitty...but i need to know how to get the answer...all the calculation..plz...
asked by eta j 
social studies
why wasn't the articles of confederation adopted for 5 years?
asked by Mandy 
social studies
The northwest ordinance provided for all of the following except: a. the eventual creation of three to five states out of the Northwest Terrirtory b. a prohibiton on slavery c. freedom of whorship d. discuss the future of the northwest territory
asked by Mandy 
math
which of these equations represents that 5 less then 10 a number is 15? A)10n  5 = 15 B)5n  10 = 15 C)(510)n = 15 D 5 (10 + n) = 15 i think its (C)
asked by george 
social studies
The orginal purpose of the 1787 convention in Philadelphia was to: a. discard Articles of confederation b. revise the articles c. draft a new consitution d. discuss the future of the northwest territory
asked by Jodi 
social studies
The Articles of confederation were nto adopter for fives because: (A) the antifederalists waged a stiff battle against them (B) disputes continued over western lands (C) the large states and the small states could not agree on representation (D) the
asked by Mandy 
social studies
the southern states supported the Virginia Plan because: (A) it created a system of national courts (B) the legislature wa s to be apportioned according to a state's population (C) the upper house was to be elected by the state legislature (D) a large
asked by lila 
health
What is sex???? And how are babies made???
asked by Shayla 
Math
John invested $2500, part at 8% and the rest at 12% per annum. The two parts earned equal amount of interest in one year. How much was invested at each rate?
asked by Me 
Math 30
A popular game show begins with the host reading a question to the contestants. One question involves putting 4 events (A, B, C, and D) in chronological order. What is the probability that the contestant gets the question correct is he or she just guesses?
asked by Sandy 
Math101
Describe in words the graph of each of these curves below. Include in your description the shape, along with other possible relevant information such as length, width, and center points. a. Y = 3X2 b. (X1)2 + (Y8)2 = 16 c. (X+2)2 + (Y4)2 = 36 d. Y = X2
asked by SEMAlaw 
accounting
For each of the following items, give an example of a business transaction that has the described effect on the accounting equation: * Increase an asset and increase a liability. * Increase one asset and decrease another asset. * Decrease an asset and
asked by Anonymous 
English
Can you please help me point out the difference between "I was travelling by train and I was travelling on the train"? Thank you very much.
asked by Franco 
Math 116 algebra
Imagine you are in the market for a new home and are interested in a new housing community under construction in a different city. The sales representative informs you that there are 56 houses for sale two floor plans still available. Use x to represent
asked by Karine 
Ethics
Why is the discussion of the problem of evil important to augustine's ethic?
asked by Christina 
Chemistry
why are the orbitals of the hydrogen atom described as probability maps? Why are the edges of the hydrogen orbitals sometimes drawn to appear "fuzzy"?
asked by student 
Ethics
Describe Hobbes' account of man's action and how it fits into his ethical system.
asked by Christina 
11th grade
verify the identity sin(4u)=2sin(2u)cos(2u)
asked by stacey graham 
art
Can some one help me with this art question. write a summary comparing and contrasting the characteristics of Roman and Greek architecture in 200 to 300 words.
asked by jen 
Algebra
A(x)+x^2+5x+6
asked by Diane 
Social Science
What is nigeria principles of free enterprise
asked by Keeda 
economics
If all the assumptions of perfect competition hold, why would firms in such an industry have little incentive to carry out technological change or much research and development? What condition would encourage research and development in competitive
asked by canopolis 
Grammar
I need this sentence to be separated into a gerund phrase "jumping out of airplanes sounds scary to me." Please help
asked by student 
math
A card is drawn at random from an ordinary deck of playing cards. Find the following odds. A. Odds in favor of drawing a 5,6,7 B. Odds against drawing a king, queen, jack, or ace D.Odds against drawing an even numbered (2,4,6,8,10)card. Can I get some help
asked by grey 
math
Stever was charged $60.00 interest for 1 month on a 3,000 credit card balance. What was the monthly interest rate.
asked by willie 
calculus 1
At noon, ship A is 50 nautical miles due west of ship B. Ship A is sailing west at 16 knots and ship B is sailing north at 17 knots. How fast (in knots) is the distance between the ships changing at 5 PM? (Note: 1 knot is a speed of 1 nautical mile per
asked by Anonymous 
math word problem
The width of a recangle is fixed at 13cm. What Length will make the perimeter greater than 78cm?
asked by KiKi 
Calculus 1
A street light is at the top of a 19 ft tall pole. A woman 6 ft tall walks away from the pole with a speed of 4 ft/sec along a straight path. How fast is the tip of her shadow moving when she is 50 ft from the base of the pole?
asked by Anonymous 
Calculus 1
Water is leaking out of an inverted conical tank at a rate of 13200.0 cubic centimeters per min at the same time that water is being pumped into the tank at a constant rate. The tank has height 14.0 meters and the diameter at the top is 3.5 meters. If the
asked by Anonymous 
Calculus 1
A particle is moving along the curve y= 4 \sqrt{3 x + 1}. As the particle passes through the point (1, 8), its xcoordinate increases at a rate of 2 units per second. Find the rate of change of the distance from the particle to the origin at this instant.
asked by Anonymous 
grammar
How do I know what the simple subject of the sentence is and the complete subject?
asked by Marcus 
PreCal(Please help)
Find (a) f X g , (b) g X f, and (c) f X f f(x) = 3sqrt x1 g(x) = x^3 + 1 For the f(x) the 3 is little above the sqrt sign. my answers were: (a) = 3sqrt x^4 1 (b) = x^4 1 (c) = 6sqrt x+1 These answers are wrong but I do not know how to do this.
asked by Hannah 
American Literature
Is there a poemtalking about freedom during the wesrward movement?
asked by amadou 
physics
A car drives around a curve with radius 410 m at a speed of 39 m/s. The road is banked at 4.6°. The mass of the car is 1600 kg. (a) What is the frictional force on the car? (b) At what speed could you drive around this curve so that the force of friction
asked by Anonymous 
Math
A set of scores with a normal distribution has a mean of 32 and a standard deviation of 3.7. Which score could be expected to occur the least often?
asked by Lauren 
math
you need 4/5 cups of water for a recipe. You accidently put 1/3 cups into the mixing bowl with the dry ingredients. How much more water in cups do you need to add?
asked by anonymous 
To Ms. Sue
Ms. Sue you know the English paragraph I was working on right, well I got some feedback on it from two of my friends and this is what they said. the 1st one said: Positive Things She liked my 2nd sentence, and she liked the way I used rapidly. Negative
asked by Sara 
PreCal(Please help)
Find two functions f and g such that (f X g)(x) = h(x). (There are many correct answers.) h(x) = 4 / (5x + 2)^2 = My answers were: f(x) = 4 / 5x, and g(x) = 5x + 2 Please explain. These answers were wrong and I do not know how to fix them!!
asked by Hannah 
3rd grade
how do you do average
asked by alexa 
10th grade
a{n}=n(3n+5)
asked by Anonymous 
Math  Implict differentiation
How do I find the value of d^2y/dx^2 for the function defined implicitly by xy^2 + y = 2 at the point (1,2)?
asked by Ren 
Economic
Please I would to know if I choose the correct answer. Which of the following characteristics does perfect competition share with monopolistic competition? a)Pricetaking firms b)Zero longrun economic profit c)homogeneous product d)some barriers to entry
asked by Jeniffer 
math
The function H descibed by H(X)=2.75X+71.48 can be used to predict the height, in centimeters, of a woman whose humerus (the bone from the elbow to the shoulder) is x cm long. Predict the height of a woman whose humerus is 39 cm long. I have an answer of
asked by KiKi 
science
The molecule Al2(SO4)3 has dissolved in water. What ions are formed and how many ions are formed of each type?
asked by Taylor 
physics help please!!!
What is the angular momentum of a 2.5 kg uniform cylindrical grinding wheel of radius 19 cm when rotating at 1200 rpm? And how much torque is required to stop it in 5.7 s? Need help with stepbystep explanation.
asked by Anonymous 
arithmetic
2.75+.003+.158=
asked by Anonymous 
Science
What are 2 things that electrical energy can transform into?
asked by Saiyda 
To Ms. Sue
Ms. Sue can you Please edit this; I'll accept any other changes made by you, thanks. Can you please edit this in paragraph mode; it's easier for me to pick out the mistakes I've made that way. Thank You:) I feel the pain of pins and needles. I open my
asked by Sara 
adult education
how much potential energy does a 4500kg piano is suspended by a rope 30 meters above the ground
asked by Melonie 
English(college)
Can you please help me? The direction goes as follows; Edit the following sentences to correct errors in pronoun reference. In some cases you will need decide on an antecedent that the pronoun might logically refer to. 1) Our German conservation group is
asked by tash 
Math 116 algebra
There are 38 houses in a new community available with two floor plans. Floor plan x sells for $175,000 and Floor plan y sells for $200,000. The total worth of all available homes are $7,200,000. Write an equation that illustrates this situation. Part A:
asked by Karine 
Physics
Interference effects are produced at point P on a screen as a result of direct rays from a 485 nm source and reflected rays off the mirror. If the source is 94 m to the left of the screen, and 1.02 cm above the mirror, calculate the distance y to the first
asked by Sarah 
English
1. I like an apple. (one) 2. I like pears. (generic use) 3. I like a drama club. (generic use) 4. I go to a sports club. (one) 5. A dog is a faithful animal. (generic use[front]/ one [back]) 6. I like going to a soccer club.(one) 7. We have a baseball club
asked by rfvv 
math
Hi I am looking for a certain number line for a test you guys should have a place in search so we all can show you if you have it then this web site will be poppen well that's all see is it take note place commet here
asked by Anonymous 
education
Cooperative activities enhance which intelligence? A.logical\mathematical b.verbal\linguistic c.intrapersonal d.interpersoal
asked by vanessa 
math
Hi I am looking for a certain number line for a test you guys should have a place in search so we all can show you if you have it then this web site will be poppen well i had a math qestion to it goes like this i had 55 apples and i got 100 more then i
asked by Anonymous 
social studies
comapare and contrast the Irouquios confederacy and the colonial government.
asked by lauren 
science
a 45 N force acts upon a 8 kg block. what is the blocks acceleration?
asked by rebecca 
language arts
in revenge of the whale what is thomas nickerson's fate?
asked by me 
social studies
how is the iroquois confederacy diff. from the colonial government?
asked by lauren 
physics
A spring with spring constant k = 810 N/m is placed in a vertical orientation with its lower end supported by a horizontal surface. The upper end is depressed 25 cm, and a block with a weight of 29 N is placed (unattached) on the depressed spring. The
asked by Lynn 
physics
A box weighs 50 N, placed on a titled board (30). What force must be applied to pull the box up the board at constant velocity(u=0.35)
asked by Rachel 
essay
I'm writing about teachers giving students too much homework my supporting topics: needs more time outside activities interfering with our lives how can i make them parallel in a sentence? please help and thank you
asked by larry 
4th grade
what is 96/4
asked by angel 
To Ms. Sue
Ms. Sue could you please have a moment to look at my other previous post, thanks very much:)
asked by Sara 
5th grade
A shirt has 80 stripes. 40 of them are black. Which decimal represents the black stripes?
asked by cristy 
Chemistry
What is the importance of a freezing point depression graph and why and what things change when different solutes and solvents are added?
asked by Kathleen 
to Ms Sue
Can you please help me? The direction goes as follows; Edit the following sentences to correct errors in pronoun reference. In some cases you will need decide on an antecedent that the pronoun might logically refer to. 1) Our German conservation group is
asked by tash 
Math
What is 563 divided by 4 show you work
asked by James 
Math
How do I combine the product rule and the chain rule in the simplest way possible?
asked by Anonymous 
PreCal
Find (a) f X g , (b) g X f, and (c) f X f f(x) = 3sqrt x1 g(x) = x^3 + 1 For the f(x) the 3 is little above the sqrt sign. my answers were: (a) = 3sqrt x^4 1 (b) = x^4 1 (c) = 6sqrt x+1 These answers are wrong but I do not know how to do this
asked by Hannah 
Math
What is 1/2 of 7/8'S? THANKS MASON
asked by Mason 
Math
what is 5/6 of 3?
asked by Mike 
religion
what part does religion play in your day to day activities? what part does religion play in making important moral ? waht types of prayer do you use most often? Do you consider jesus a personal friend who makes a difference in your life? Do you think it is
asked by sandha 
algebra
(x3)(x+7)=(x+5)(x+1)
asked by Anonymous 
essay
i'm writing a persuasive essay about teachers giving students too much homework. i need 2 more supporting topics 1. interfering with activities 2. 3. please help and thank you
asked by larry 
Precalculus(NEED HELP ASAP PLEASE!!)
Solve: sin(theta)cos(theta)sin(theta)−cos(theta)+1 = 0, 0 < or equal to theta < 2pi Solution Set: ____________ ?
asked by jh 
Precalculus(NEED HELP ASAP PLEASE!!)
Solve: sin(theta)+cos(theta) = 1 0 < or equal to theta < 2pi Solution Set:__________ ?
asked by jh 
chemistry
An alpha particle (mass = 6.6 × 1024 g) emitted by radium travels at 3.4 × 107± 0.1 × 107 mi/h. What is its de Broglie wavelength (in meters)?
asked by brittany 
Science
Knowing about covection currents, how do heaters warm the whole house?
asked by Julia 
Probability (PreCalculus)
A class is given a list of eight study problems from which five will be part of an upcoming exam. If a given student knows how to solve six of these problems, find the probability that the student will be able to answer: (a) all five questions on the exam.
asked by Hailey 
Science
If the sun is in the center of the constellation Sagittarius on January 10, what time does it rise and set?
asked by Mary 
Chemistry
An amino acid has the form shown at RCHCO^ (with a NH2 bonded to the CH and a O double bonded to the C) (O^ means the C has a negative charge) a) a pH of 7.0 b) any pH other than 7.0 c) a pH greater than its isoelectric point d) its isoelectric point
asked by Holly 
English
what are some things that you wouldn't want to hear during a surgery? Oops! Don't tell him/her! Are you still alive? Oh No! Where did my gum go? Any other suggestions?
asked by Sara 
SciencePsyDAG
PsyDAG, could you please check my post on that science experiment thing, if you have time. I posted it yesterday on here, but you were never on. Thanks:)
asked by Sara 
spanish
Complete with the appropriate word: 1. Cuando empieza el segundo ______, los jugadores vuelven al campo. 2. Juegan futbol en el ______ de futbol. 3. El jugador ________ un tanto cuando ___________ un gol.
asked by Ashley 
Chemistry
An amino acid will have the form shown at: RCHCOH (with an O double bonded to the C and a NH3+ bonded to the CH) a) a pH of 7.0 b) any pH other than 7.0 c) a pH greater than its isoelectric point d) its isoelectric point e) a pH less than its
asked by Holly 
PreCal
Find two functions f and g such that (f X g)(x) = h(x). (There are many correct answers.) h(x) = 4 / (5x + 2)^2 = My answers were: f(x) = 4 / 5x, and g(x) = 5x + 2 Please explain. These answers were wrong and I do not know how to fix them!!
asked by Hannah 
COM 220
What type of writitn style does the author use in the article A Nation Apart?
asked by Renee 
finance 200
· Complete the following problems (Do Not repeat the questions): 1. The Monley Corporation of New Jersey has gross profits of $980,000 and $260,000 in depreciation expense. The Majors Corporation of Nebraska also has $980,000 in gross profit, with $60,000
asked by cari 
Chemistry
will 1 molar NH3 and 1 molar NH4Cl form a buffered solution?
asked by Anonymous 
It
what is data management technology
asked by mike 
chemistry
what is the conjugate base of H2SO3??
asked by Anonymous 
algebra
how do i simplify the following: 2x^2 +13x +15 over 4x+6 . I simplified 4x+6 to 2(2+3), but I can't remember how to simplify the top part. Please help
asked by Anonymous 
Chemistry
3.5 liters of H2O are added to 500 mL of a 2.0 M HNO3 solution. What is the resulting molarity?
asked by Riley 
Microbiology
Which of the following tests are used to differentiate between these bacteria: Tests: Bacitracin Test, SXT Test, CAMP Test, Enterococcosel Agar, 6.5% NaCl Test and Optochin Test A) Streptococcus viridans and Streptococcus faecalis B) Group A and Group B
asked by Jade 
chemistry
what two metals that will not generate hydrogen gas when treated with an acid?
asked by nicole 
4th grade
to subtract two decimals, line them up using the ?
asked by julia 
high school economics  elasticity
What can you conclude about elasticity of demand for rail service: Rail service has always been a losing proposition in Canada. Regardless of how much we raise our prices, we will never earn enough revenue to earn a profit. This is confusing because I
asked by amy 
College Chemistry
Given the following equilibrium constants, Ka (NH4^+)=5.6*10^10 Kb (NO2^)=2.2*10^11 Kw=1.00*10^14 determine the equilibrium constant for the reaction below at 25*C. NH4^+(aq)+NO2^(aq)f HNO2(aq)+NH3(aq)
asked by Katie 
math
The measure of a supplemental angle is 25 degrees more than 7 times the measure angle. What is the measure of the angle?
asked by Emme 
Economic
1. Keogh and IRA plans allow people to do all of the following except A.save money each year for retirement. B.withdraw money from their accounts at the end of every year without penalty. C.establish their own pension plans. D.defer taxation of the
asked by candance 
11th grade
bar graph of automobile sales throughout the 1950's.
asked by chad 
Economic
Relative to a stock, a bond provides a a.higher dividend. b.lower dividend. c.higher level of risk. d.lower level of risk. Its D right?
asked by candance 
Economic
Savings bonds sell for less than their face value because a.banks compete to sell them. b.this is how they pay interest. c.they pay dividends twice a year. d.interest is taxexempt. Its D right?
asked by candance 
Social Studies
What was a longterm result of the nationalist movements that took place in Asia between World War I and World War II?
asked by Sarah 
science
The chemical formula for glucose is C6H12O6. Six molecules of carbon dioxide (CO2) react with six molecules of water (H2O) to form six molecules of oxygen (O2). How many molecules of glucose will be produced? A 1 B 6 C 12 D 36 can anyone help me figure
asked by Sabrina 
Math
in a subdivison, 67% of the homes have detatched garages, 32% have a patio & 13% have both. What is the probability that a house has a patio if u know that it has a detached garage?
asked by madison 
college
Four hundred people apply for three jobs. 130 of the applicants are women. (a) If three persons are selected at random, what is the probability that all are women? (b) If three persons are selected at random, what is the probability that two are women?
asked by kay 
space
uummm i want to know how can telescope cxan see so far????
asked by Jane 
chemistry
Many cigarette lighters contain liquid butane, C4H10(l). Using standard enthalpies of formation, calculate the quantity of heat produced when 2.7 g of butane is completely combusted in air under standard conditions.
asked by hello 
physics
A 5.00kg object placed on a frictionless, horizontal table is connected to a cable that passes over a pulley and then is fastened to a hanging 9.00kg object. Draw freebody diagrams of both objects. Find the acceleration of the two objects and the
asked by Brandon 
more physics
a 1.00kg object is observed to accelerate at 10.0m/s∧2 in a direction 30.0 north of east. the force F2 acting on the object has magnitude 5.00 N and is directed north. determine the magnitude and direction of the force F1 acting on the object.
asked by Brandon 
Chemistry
The following reaction represents the decomposition for water: 2H2O  2H + O How many molecules of hydrogen are produced from the decomposition of 12.2 grams of water into its elements?
asked by Stacey 
PreCal
Determine the domains of (a)f and (b) f X g f(x) = 1/x g(x)= x + 3 For the domain of f I had x > 0 and for f X g I had all real numbers but this was wrong.
asked by Hannah 
6th grade
what is the LCM of 8,and 19
asked by dj 
Math
Bob and his dad visited the hardware store on Saturday. They observed the following transactions: Mr. Harris bought 4 for $0.50, Mrs. Clarke bought 21 for $1.00, Mr. Montaro bought 1,134 for $2.00, and Ms. Park bought 450 for $1.50. What were they buying?
asked by Daniel 
Chemistry
Can you determine the mass of carbon monxide that is produced when 45.6 grams of methane reacts with 73.2 grams of oxygen gas. Can you please show work in detail please. Thanks
asked by Stacey 
geometry
The legs of an isosceles triangle are each 18 cm long and the angle between them measures 48 degrees. What is the length of the third side?
asked by cori 
Bio
Describe the process that occurs within the digestive system when you eat and apple.
asked by Tori 
PreCal(Please help)
Determine the domains of (a)f and (b) f X g f(x) = 1/x g(x)= x + 3 For the domain of f I had x > 0 and for f X g I had all real numbers but this was wrong.
asked by Hannah 
Math
factor the trinomial 12wsquared+8w15
asked by Ismael 
PreCal
what about the domain of 1/x. Would it be 0?
asked by Hannah 
Chemistry
Nickel was reacted with an aqueous solutionn containing 400grams of copper(II)perchlorate. The reaction was stopped after 1 hour and 89.0 g of copper metal was obtained. Calculated the percent yeild?
asked by Canzadia 
Business
What is a joint stock company or a scenario that explains one?
asked by Lori 
Chemistry
Calculate the [h3o+] of the following polyprotic acid solution: 0.135 M H2CO3
asked by Krysten 
5th grade
how do I do the preposition phrases and object?
asked by patricia 
Math157
A parent’s chance of passing a rare inherited disease on to a child is 0.15. What is the probability that, in a family of three children, none of the children inherits the disease from the parent?
asked by purple 
4th grade math
R^2 + R^2 + 16R + 64 = 144 solve for R.
asked by Dan 
Chemistry
determine the mass of carbon monxide that is produced when 45.6 grams of methane reacts with 73.2 grams of oxygen gas. Can you please show work in detail please. Thanks
asked by Stacey 
algebra
Sandy’s Sweatshirt Shop sells college sweatshirts. White sweatshirts sell for $18.95 each and red ones sell for $19.50 each. If receipts for the sale of 30 sweatshirts total $572.90, how many of each color did the shop sell?
asked by Socorro 
Chemistry
Whatis the pH of a buffer that results when 0.05mol of Na3PO4 is mixed with 0.75 mol of HCl and diluted with water to 1.00L. (The acid dissociation constants for phospohoric acid are Ka1=7.5*10^3, Ka2=6.2*10^8 and Ka3=3.6*10^13).
asked by Katelynn 
PreCal
Give the domain of the function and identify any vertical or horizontal asymptotes. h(x) = 1 / x  3 + 1 I had x = 0 and y = 3. Would the domain be all numbers except 1?
asked by Hannah 
Geometryproperties of tangents of a circle
Circle L has segment LJ and segment LK as radii. Those 2 segments are perpendicular. Segment KM and segment JM are tangent to circle L. Is triangle JLM congruent to triangle KLM? Please explain.
asked by Kat 
5th grade
sandys classroom has tables that are shaped like trapezoids. three tables are placed together in a ushape.One student can sit at the short base of the trapezoid or at the end of the table.two students can sit at the long base of the trapezoid. how many
asked by tyonna 
physics
A bowling ball of mass 7.3 kg and radius 9.6 cm rolls without slipping down a lane at 3.4 m/s. Calculate its total kinetic energy. I tried this problem with the equation 3/4mv^2 but I did not get the correct answer, could I please get help with
asked by Anonymous 
Chem
A buffer contains 1.0mol CH3CO2H and 1.0mol CH3CO2^ diluted with water to 1.0L. How many moles of NaOH are required to increase the pH of the buffer to 5.10? (pKa oof Ch3CO2H=4.74)
asked by Sean 
health care
how do participation contracts represent financial opportunities for providers?
asked by Kay 
math
Explain how to evaluate x8 when x=10?
asked by Kevin 
English
What are some literary devices (simile, metaphor, flashback, etc.) that are used in the song, "A whole new world" from Aladdin?
asked by Rainie 
calculus 1
At noon, ship A is 30 nautical miles due west of ship B. Ship A is sailing west at 18 knots and ship B is sailing north at 19 knots. How fast (in knots) is the distance between the ships changing at 3 PM? (Note: 1 knot is a speed of 1 nautical mile per
asked by mona 
calculus 1
At noon, ship A is 20 nautical miles due west of ship B. Ship A is sailing west at 21 knots and ship B is sailing north at 18 knots. How fast (in knots) is the distance between the ships changing at 5 PM? (Note: 1 knot is a speed of 1 nautical mile per
asked by mona 
10th grade
what is the conjugated base of H2SO3
asked by Eric 
chemistry
what is conjugated base of NH4+
asked by Eric 
Chemistry
Combustion analysis of 0.343 g of a compound containing C, H, and O produces 0.753 g of CO2 and 0.411 g of H2O. Mass spectral analysis shows that the compound has a molar mass around 120 g mol1. What is the compound's: Empirical Formula: Molecular
asked by Abraham