Questions Asked on
September 26, 2014

Math
Ivan has 6 times as many blue beads as red beads. He has 49 red and bye beads in all. How many blue beads does Ivan have in all
asked by Jae'la 
Chemisty
How many grams of Cl are in 38.0g of CF2Cl2? I really want to figure out how to do it. I can't seem to understand any of this Chem homework and it's getting me frustrated, please help!
asked by Luis 
Biology question plz
Which of the following depends on bacteria? conversion of dead organic matter to fossil fuel photosynthesis dissolution nitrogen fixation I think its A but I feel it could also be D, could you plz help?
asked by Niki 
physics
A student standing on the ground throws a ball straight up. The ball leaves the student's hand with a speed of 19.0m/s when the hand is 1.50m above the ground. How long is the ball in the air before it hits the ground? (The student moves her hand out of
asked by Jack 
Physics
A rock is dropped from a bridge to the water below. It takes 2.40 s for the rock to hit the water. Find the speed (in m/s) of the rock as it hits the water. How high (in metres) is the bridge above the water?
asked by Ben 
Chemistry
What is the total ionic equation of this: 3CaCl2(aq) + 2K3PO4(aq) → Ca3(PO4)2(s) + 6KCl(aq) Shw all physical states of the reactants and products
asked by John 
CHM 300
Explain why I2 is not a good primary standard? why is this an iodometric procedure?
asked by Janu 
Language Arts  The Odyssey  Please Check Answers
Please help me with the following question: Read the excerpt from The Odyssey. Six benches were left empty in every ship that evening when we pulled away from death. And this new grief we bore with us to sea: our precious lives we had, but not our friends.
asked by Brady 
ENGLISH SUPER QUICK QUESTION
Identify the word in italics. This is the dog I was telling you about. demonstrative pronoun indefinite pronoun interrogative pronoun relative pronoun not a pronoun
asked by casey 
Spanish
Sra. would you look over my answers please? Part I. El subjuntivo con expresiones hipotéticas: Complete las frases siguientes utilizando EL SUBJUNTIVO. Ejemplo: No completaré la tarea hasta que... estudie los verbos. My answers are after the ... on each
asked by Anna 
Physics
Two rockets are flying in the same direction and are side by side at the instant their retrorockets fire. Rocket A has an initial velocity of +4800 m/s, while rocket B has an initial velocity of +9000 m/s. After a time t both rockets are again side by
asked by Anonymous 
Chemistry
Bones are mostly calcium phosphate. Calcium chloride reacts with potassium phosphate to form calcium phosphate and potassium chloride. Indicate the physical states or reactants and products a) Write the balanced equation of the information above b)
asked by mandi 
math
Think of a 135 digit number formed by writing the first 72 natural number side by side in a string.(i.e.) 1 2 3………70 71 72. Find the remainder when it is divided by 12. a. 2 b. 9 c. 0 d. 5
asked by Anonymous 
Trigonometry
A hill in the Tour de France bike race has a grade of 8%. To the nearest degree, what is the angle that this hill makes with the horizontal ground? Round to the nearest tenth of a degree.
asked by Molly 
History
Why did the Hittites and others migrate from Central Asia to Mesopotamia? A the needed more land for growing populations B they were enlarging their empire C the Persian army drove them out D climate change brought a mini ice age to Asia My guess is D
asked by Skye 
History
Which was the most common method empire builders used to unite vast territories? A religious tolerance B economic domination C cultural diffusion D military conquest My guess is D.
asked by Skye 
math
I am confused on how to solve this problem, can you help me? It says the distance around the outside of Cedar park is 0.8mile. Joan ran 0.25 of the distance during her lunch break. How far did she run? A. 0.2mile B. 0.25 mile C.1.05 mile D. 2 miles I did
asked by E6 
AP Physics
a weather station releases a weather balloon.The balloon's buoyancy accelerates it upward at 15m/s sq.At the same time,a wind accelerates it horizontally to the right at 6.5m/s sq.What is the resulting acceleration
asked by ren 
English
8. In which one of the following sentences is but used as a preposition? A. I would like to return to Italy, but I have no money. B. The lake is pretty, but it's too cold for swimming. C. We discovered that Candy will do anything but work. D. I wanted to
asked by Sarah 
Language arts
At the end of her aunts story in the story teller the older girl asked whether the girl in the story would have been rescued even if she had not been good. what does she seem to think is the theme of her aunts story
asked by max 
physics
A bullet is fired vertically upward from a gun and reaches a height of 7000 ft. Find its initial velocity. How long does it take to reach its maximum height? How long is it in flight?
asked by Ben 
math
Which statement is true? A. All irrational numbers are also rational numbers. B. Half of the irrational numbers are also rational numbers. C. Onethird of the irrational numbers are also rational numbers D. Irrational numbers cannot be classified as
asked by Anonymous 
Microbiology
What methods would you use to sterilize and clean a lab coat contaminated with a broth culture of Vibrio cholerae so that the lab coat could be safely used again? a. Method of sterilization: b. Method of cleaning: c. Name which method would be implemented
asked by Rose 
Accounting 5
Bethany Link delivers parts for several local auto parts stores. She charges clients $0.75 per mile driven. She has determined that if she drives 2,100 miles in a month, her average operating cost is $0.55 per mile. If Bethany drives 4,200 miles in a
asked by Vanessa 
history
What caused the fiords in Scandinavia? earthquakes erosion glaciers floods
asked by casey 
art
picture is called, A Stage Set with a Statue and Palace by Unknown artist Courtesy of the National Gallery of Art, Washington Question: Because of the use of value change in this image, the artist A. was able to make the image have no contrast. B. was able
asked by anonymous 
Accounting
AnheuserBusch InBev Companies, Inc reported the following operating information for a recent year. In addition assume that AnheuserBusch InBev sold 200 million barrels of beer during the year. Assume that variable costs were 75% of the cost of goods sold
asked by Anonymous 
English
13. When an adverb modifies a verb with a helping verb, the adverb should generally be placed A. before the helping verb. B. after the helping verb. C. at the end of the sentence. D. at the beginning of the sentence. Ms.Sue I just submitted my answers and
asked by Sarah 
English/ms.sue
Select the complete subordinate clause (including all modifiers). I aced my test because I remembered to study. I aced my test my test because my test because I remembered to study because I remembered because I remembered to study This sentence does not
asked by casey 
Chemistry of Life
Which statement is true about water molecules? The oxygen atom has a negative charge. The hydrogen atoms do not share electrons. Water molecules move randomly around each other. Water molecules cannot dissolve many substances. Question 2. How does water
asked by Sara 
Math Problem (please help)
Evaluate the function at the specified value of the independent variable and simplify. f(x) = (2x^2 + 8x)/(5x^3 + 40) at x = 3.
asked by Ada 
sandycreek
a student found that the weight of the naphthalene collected was less than the weight determined by difference. what would account for the smaller amount of naphthalene collected?
asked by Anonymous 
Math Help.
write an integer to represent a loss of 5 yards in football. –7 –5 5 7 Write the sum as a product, then simplify the product. (–8) + (–8) + (–8) + (–8) 2(–8) + 2(–8) = –30 4(–8) = –32 4(–8) = 32 5(–8) = –40 What is the value of
asked by Princess Anna 
Business math
Order for 620 dresses from China, cost is $40 a gown, markup based on selling is 76%, what is the selling price of each gown?
asked by Will 
statistics
The 92 million Americans of age 50 and over control 50% of all discretionary income (AARP Bulletin, March 2008). AARP estimated that the average annual expenditure on restaurants and carry out food was $1873 for individuals in this age group. Suppose this
asked by ashley 
Physics =/
Two horizontal forces, and , are acting on a box, but only is shown in the drawing. can point either to the right or to the left. The box moves only along the x axis. There is no friction between the box and the surface. Suppose that = +5.6 N and the mass
asked by Sanz 
Math1question
write an integer to represent a loss of 5 yards in football. –7 –5 5 7
asked by Anonymous 
Stats
The annual precipitation for one city is normally distributed with a mean of 28 inches and a standard deviation of 3.4 inches. Fill in the blanks. In 95% of the years, the precipitation in this city is between __________ and __________ inches. Apply the
asked by Amy 
history
Which mountains lie between Spain and France? Rocky Pyrenees Alps Andes
asked by casey 
physics
A power line 10 meter high carries a current 200 amperes .Find the magnetic field of the wire at ground?
asked by shahed mumtaz khan 
MATHS
experiments show that radium disintegrates at a rate proportional to the amount of radium present at the moment . if half life is 1590 years what percentage will disappear in one year?
asked by NOEL 
math
the price of a computer fell 20% this year, if the computer now cost $850, how much did it cost last year?
asked by Barbara 
algebra 2
solve each system of equation by using a table 1. y=3x4 y=2x+11 2. 4xy=1 5x+2y=24 how do you do these?
asked by anonymous 
math
Which number is NOT rational? A. 5.85 B. 63.4 C. 8.52624*** D. 27.5 is the answer C?
asked by Anonymous 
Calculus
1. Evaluate the function at the given numbers (correct to six decimals places). Use the results to guess the value of the limit,or explain why it does not exist. F(t)=( t^(1/3)  1)/(t^(1/2)  1) ; t= 1.5,1.2,1.1,1.01,1.001; The limit of F(t) as t
asked by Anonymous 
math
A nine digit number having all its digits distinct and none being zero can be partitioned into two as per well. It turns out that every time the left part is always divisible by the number of digits it has. Which of the following number satisfies this
asked by kalyani 
math
A 500litre water storage tank is situated at the top of a building at a height of 300 feet.The tank,which is completely full,has two outlet pipes and one inlet pipe.Veeru climbs up to the tank and opens an outlet which can empty a full tank in 10 minutes.
asked by Nitumoni 
biology
The following statement is false. Select the rewording that makes the statement true. Dalton discovered electrons inside of atoms by using thermal energy. Thompson discovered electrons inside of atoms by using cathode rays. Thompson discovered electrons
asked by Angela 
english
Identify the italicized phrase in the following sentence. Jolene went to the city to find a new job. adverb adjective noun
asked by casey 
Physics
A skateboarder, with an initial speed of 2.4m/s , rolls virtually friction free down a straight incline of length 19m in 3.3 s.At what angle θ is the incline oriented above the horizontal?
asked by Saku 
PreCalculus
Help Please Solve the following system of equations. Round your answers to the nearest tenth. Your answer will be in the form: (M,N). Find M + N, rounded to the nearest tenth. 5x+2y=7 2x+6y=9
asked by Anonymous 
algebra
a triangle has a perimeter of 126 centimeters, each of the 2 longer sides of the triangle is three times as long as the shortest side. Find the length of each side of the triangle.
asked by Barbara 
Trigonometry
In the middle of town, State and Elm streets meet at an angle of 40º. A triangular pocket park between the streets stretches 100 yards along State Street and 53.2 yards along Elm Street. What formula for the area of the pocket park would you use?
asked by Molly 
Chemistry
My head is spinning from this chapter! I've done most of the questions by myself but I have no idea what formulas I should use for these last two. Can you walk me through them so I can understand what I need to do? 1. What volume of 5.0 M HNO3 is required
asked by Lissa 
MATHS
please help me ...Experiments show that radium at rate proportional to the amount of radium present at the moment . if half life is 1590 years what percentage will disappear in one year ??
asked by NOEL 
English
1. In which one of the following sentences does an adverb modify an adjective? A. His appearance greatly affected Candace. B. Mark was dressed properly. C. Lucy danced tirelessly. D. His shirt was extremely tight.
asked by Sarah 
Physics
From the top of a cliff, a person uses a slingshot to fire a pebble straight downward, which is the negative direction. The initial speed of the pebble is 7.56 m/s. (a) What is the acceleration (magnitude and direction) of the pebble during the downward
asked by Anonymous 
algebra
The vendor of a coffee cart mixes coffee beans that cost $8 per pound with coffee beans that cost $4 per pound. How many pounds of each sould be used to make a 60pound blend that sells for $5.25 per pound?
asked by Barbara 
Science
Choose the explanation that does the following: (1) identifies the element used in carbon dating and (2) explains why the element is used. A. iodine131; iodine is present in the thyroid glands, is radioactive, and has a very long halflife B. nitrogen14;
asked by Anonymous 
Physics
Your new designer chair has an Sshaped tubular metal frame that behaves just like a spring with the spring constant 13500 N/m. When your friend, who weighs 910 N, sits on the chair, how far does it bend?
asked by erika 
math
Indicate whether the following statement is True or False The number 3 is an integer and a rational number. True False Is the answer True?
asked by Anonymous 
Math help, anyone?
Solve by multiplying or dividing integers. 1. –4(3) 12 –12 2. 27 ÷ (–3) 9 –9 3. –40 ÷ 8 5 –5 4. 6(–5) 30 –30 5. 3(–3) 9 –9 6. –56 ÷ (–7) 8 –8 7. –7(–2)(2) 28 –28 8. 18 ÷ (–2) 9 –9
asked by Princess Anna 
physics
A hockey puck slides with an initial speed of 52.3 m/s on a large frozen lake. If the coefficient of kinetic friction between the puck and the ice is 0.02, what is the speed of the puck after 11.8 s?
asked by Confused 
PreCalc
1.) Describe how the graphs of f(x) = 2x and g(x) = 2x are related. a.) All of these. b.) The graph of g(x) is a reflection of the graph of f(x) over the yaxis. c.) Non of these. d.) The graph of g(x) is a reflection of the graph of f(x) over the x
asked by Brooke 
Trigonometry
Suppose a triangular silk scarf has both of its shortest sides 14 inches long. If the angle between these sides is 110º, what is the area of the scarf? Round your answer to the nearest tenth of a square inch. (Enter only the number.)
asked by Molly 
Math.
write an integer to represent a loss of 5 yards in football. –7 –5 5 7 Write the sum as a product, then simplify the product. (–8) + (–8) + (–8) + (–8) 2(–8) + 2(–8) = –30 4(–8) = –32 4(–8) = 32 5(–8) = –40 What is the value of
asked by Anonymous 
Science
Harold walked into his kitchen and noticed that the bowl of bananas he keeps in the corner had many fruit flies around it. When he reached the bowl, he noticed that one of the bananas had its peel partially pulled apart, and the fruit inside the peel had
asked by Angela 
math
Which of the following numbers is an example of an integer? A. 15 B. 3/5 C. √7 D. 0.252525 I choose answer A. Am I correct?
asked by Anonymous 
English
Main clauses express a complete thought and appear in _____ sentences. compound complex compoundcomplex all of the above
asked by casey 
Physics
A ball is thrown at 15.5 m/s at 42° above the horizontal. Someone located 30 m away along the line3 of the path starts to run just as the ball is thrown. How fast, and in which direction, must the catcher run to catch the ball at the level from which it
asked by Sophie 
Math
Ivan has 5 times as may blue beads as red beads he has 49 red and blue beads in all. how man blue beads does he have ? I am a mother of a 4th graded I need help trying to help her understand how to do this cause I can't figure it out I know it's a 2 step
asked by Jae'la 
Electrophoresis
You need to prepare 400 ml of a 4M glucose solution. It's chemical formula is C6H12O6 and its formula weight (FW) 180.16. Must show all work and calculation and then list what you will mix together to prepare the correct amount of this solution. 180.16 of
asked by Mia 
history
Where does the least amount of rain fall in Europe? Portugal Spain England France
asked by casey 
Math
Which statement is false? A. Every integer is a real number*** B. The number zero is a rational number. C. Every irrational number is a real number. D. Every real number is a rational number Am I right about the a being the right answer? Thanks
asked by Anonymous 
math problem (please help)
Find the inverse function of f(x) = (7x8)/(3x 1).
asked by ada 
chem
which of the following ions are formed when AgNO3 dissociates? a. O2 b. N3 c. AgN2 d. NO3 e. N2
asked by bekah 
english
A prepositional phrase can function in a sentence as _____. an adverb phrase a noun phrase
asked by casey 
Science
I have two questions for 7th grade Science. I've been sitting here for a while, and I am behind in school work. Please Help. _____ is the practical use of scientific knowledge to solve everyday problems and improve lives ____ are used to make complicated
asked by Jordyn 
math
Indicate whether the following statement is True or False The number 3 is an integer and a rational number. True False Is the answer True?
asked by anonymos 
PHYSICS
an airplane and a helicopter leave an airport in montana at the same time.The aircrafts velocities:v=225mph@20 degree,and v=102mph@49 degree.If these velocities are maintained which craft will cross the borderinto canada first? or do they arrive at the
asked by ren 
CHM 300
Experiment: Redox titration;determination of ascorbic acid by an iodometric backtitration Why is sodium carbonate added to the thiosulfate solution ? why is the water used for preparing the thiosulfate solution boiled ?
asked by Jennifer 
Math Problem (please help)
A rectangular classroom seats 252 students. If the seats were rearranged with three more seats in each row, the classroom would have two fewer rows. Find the original number of seats in each row.
asked by Ada 
Algebra HELP PLEASE
Which is a solution to the equation y = 2x 5?
asked by Sara 
Math(Algebra)
Estimate the size of the bear population 50 bears, 1 year later 100 bears, 2 with taggs what is the estimated size of the bears can you Please wirite me the stepes so I cam understand what you did. Thank You so much foer your help.
asked by Anonymous 
math
Sarah earned some money taking care of a dog. She charged $8.50 for washing the dog and $7 for walking the dog. She spent $1.15 on shampoo to wash the dog. What was Sarah’s profit from taking care of the dog?
asked by Anonymous 
ordering decimals from least to greatest
what is the order of these decimals from least to greatest? 1.4 1.45 1.45... 1.455
asked by help please 
physics
A rocket moves upward, starting from rest with an acceleration of 25.0 m/s2 for 3.77 s. It runs out of fuel at the end of the 3.77 s but does not stop. How high does it rise above the ground I`ve been sick last week, not quite sure where to even start can
asked by nicky 
math
A train 100m long travelling at 72 km/h overtakes another train travelling in the same direction at 54sec. Find the length of the second train
asked by Anonymous 
Microbiology
What is the preferred method of sterilization for heatsensitive solution? In addition, note a heatsensitive solution that can be sterilized using the method you noted. a. Preferred method: b. Example:
asked by Rose 
physics
A robot probe drops a camera off the rim of a 387 m high cliff on Mars, where the freefall acceleration is 3.7 m/s2 . Find the velocity with which it hits the ground. Answer in units of m/s
asked by Anonymous 
chemistry
Use the following values for the arrows in the drawing: a = 185 J of heat; b = 45 J of heat; c = 115 J of work; d = 40 J of work; e = 65 J of work; and f = 190 J of heat. Find the change in the internal energy of object A only. Use the First Law of
asked by korko 
Physics
A baseball is thrown upward with a velocity of 15m/s. How fast is it moving after 2 seconds? I have no Idea how to begin and the formula he gave us isn't even related to the question at all. (V=vi+at)
asked by HelplessFool 
ScienceHELP?
A map of Florida is an example of a(n) ________. *I researched this a little bit and I thought it might be peninsula. Can someone verify this for me please? There aren't any choices either.
asked by Sam 
CHEM
Identify the class of compounds that contains each of the following functional groups. a carbonyl group between two carbon atoms
asked by M 
Algebra
TRiffic T shirts for a $20 design fee plus $8 charge per shirt printed, what is the algebraic rule?
asked by Joan 
PreCalc
1.) Find (f + g)(x) when f(x) = x + 2 and g(x) = x  2. 2.) Find (f  g)(x) if f(x) = 2x  5 and g(x) = 4. 3.) Given f(x) = 4 and g(x) = 2x  1, find (f  g)(x).
asked by Steffy 
CHEMISTRY
Give the IUPAC name foR CH2CHCH3 CH2CH2CH2     CL CL CL CL CL  CL CH3CCH3   CHCH2CH3 CL  CL
asked by M 
PreCalculus
Help please If f(x)=8x and g(x)=2x+1 find (fog)(x) 16x^2+8x 16x+1 16x+8 10x+1
asked by Anonymous 
Chemistry
An aqueous solution of barium nitrate has a density of 1.09 g/cm3. The solution is 18.7% barium nitrate by mass. How many nitrate ions are present in 87.6 dL of this solution?
asked by Cj 
Microbiology
A patient with an active case of Mycobacterium tuberculosis (TB) was treated and released from the hospital. You are responsible to oversee the decontamination of the patient’s room. Explain why is it a concern if the beside rollaway table has driedup
asked by Rose 
us history
1. How did racism impact African American lives during the Great Depression and their access to New Deal programs? 2. How were African Americans able to create cultural power and how this impacted stereotypes and assumptions about the black community? 3.
asked by Lavanessa Young 
biology
Why is the term, "evolution" applied to Charles Darwin even today? and Why and how does it apply to a cultural anthropology? Thank you
asked by Anonymous 
Math1 question
Which word phrase could represent the variable expression 3d + 5? Let d = Beth's age. five more than Beth’s age times three three times Beth’s age minus five five times Beth’s age plus three three minus Beth’s age times five
asked by Anonymous 
english b
Hughes received financial assistance from Charlotte Mason. In 1930, he broke away from Mason and her financial assistance to a. travel the world. c. to maintain his integrity. b. go back to college. d. to get married.
asked by eliud 
PreCalc
If you use the parent graph f(x)=x^2, how would you graph g(x)=(x4)^22?
asked by Taylor 
Science URGENT
Marquez is in the ocean on his surfboard. While waiting for the perfect ride, he notices that waves pass him about every 4 s. What is the frequency of the waves? A. 0.75 Hz B. 0.5 Hz C. 0.25 Hz D. 0.2 Hz
asked by Erza 
arithmetic
1700 lottery tickets are sold for $25 each, and one grand prize of $4100 is awarded. If you purchase one ticket, find your expectation per ticket
asked by manasa 
chemistry
Write the name of each of the following substituents CH 3 −CH 2 −
asked by M 
math
A man,a woman and a boy can complete a piece of work in 20,30 and 60 days respectively.How many boys should join 2 men and 8 women to complete the work in 2 days?
asked by Nitumoni 
Microbiology
How would you disinfectant a plastic chair surface contaminated with blood in the hospital? (Please note in detail the steps required for personal protection, initial cleanup, followup disinfection, and the disposal methods of contaminated items) a.
asked by Rose 
Chemistry
In order to identify a compound using TLC it is necessary to spot a sample of the pure compound. Why is this necessary?
asked by Mor 
law
Eagle Sales Company owns a warehouse, subject to a mortgage obtained from First National Bank. Separately, Eagle and First National obtain insurance policies from Good Hands Insurance, Inc., to cover the warehouse. Later, Eagle sells the property to
asked by Anonymous 
Calculus
2. The slope of the tangent line to the graph of the exponential function y=2^x at the point (0,1) is the limit of (2^x1)/x as x approaches 0. Estimate the slope to three decimal places. My work: (1,0.5) (0.5,0.586) (0.9,0.516) (0.999,0.5) (0,empty)
asked by Anonymous 
Global Business Management
What are five global or regional trends that influence China? How do these trends affect marketing, finance, value chain, human resources, and economics, within China?
asked by Anonymous 
Chemistry
Doctors recommend that men get 11 g of zinc daily. How many moles of zinc are in 11 g? 0.20 moles 17 moles 1.70 moles 0.17 moles
asked by Angela 
Microbiology
How would you disinfectant a plastic chair surface contaminated with blood in the hospital? (Please note in detail the steps required for personal protection, initial cleanup, followup disinfection, and the disposal methods of contaminated items.) a.
asked by Rose 
Microbiology
Name a pathogenic bacterium (provide genus and species names) and the disease caused in humans that is typically spread by healthcare professionals in a healthcare facility due to improper techniques. In your explanation, provide an example how this
asked by Rose 
Science
Marquez is in the ocean on his surfboard. While waiting for the perfect ride, he notices that waves pass him about every 4 s. What is the frequency of the waves? 0.75 Hz 0.2 Hz 0.5 Hz 0.25 Hz
asked by Anyomous 
Organic chemistry
In order to identify a compound using TLC it is necessary to spot a sample of the pure compound. Why is this necessary?
asked by Mor 
statistics
A nutritionist was interested in determining the smoking status of her clients. She asked each of her clients to report his or her current smoking status: Smoker, ExSmoker, and NonSmoker. Which of the following graphical techniques is the best way for
asked by mike 
statistics
SlfEsteem Scoresdepression Scores Mean 3.43 15.78 StrdDev 0.75 10.34 The above chart contains the means and standard deviations for selfesteem scores and depression scores. Using this information and the most likely correlation coefficient obtained in
asked by mike 
History
Does the Eastern Orthodox Church use the Gregorian Calendar?
asked by Anonymous 
History
Where was Christianity founded? In presentday Palestine?
asked by Anonymous 
math
Which equation is equivalent to 3x + y = 5? (Points : 1) y = 5 3x y = 5 + 3x y = 3x 5 y = 3x 5
asked by Sara 
PreCalc
Describe the difference between transformations and nonrigid transformations.
asked by Lori 
chemistry
An electrical heater delivers 4.070 kJ of energy (as heat) to a system consisting of the gas inside a cylinder having a movable piston. As a result, the piston moves against a constant external pressure such that P ∆V = 2.442 kJ. What is the change in
asked by korko 
Math Problem (please help)
Find the following. f(x) = 7x − 9, g(x) = 8 − x A:(f + g)(x) = B:(f − g)(x) = C:(fg)(x) = D:(f/g)(x) =
asked by Ada 
Microbiology
Name a pathogenic endosporeforming bacterium (provide genus and species names) which can be associated with improperly canned beans. Note what method is used to process canned beans. If the canned beans are not properly processed and these pathogenic
asked by Rose 
CHEM
In the preparation of a rock salt solution, 1.522 grams of impure rock salt was dissolved in 50.0 ml of distilled water. The total mass of the solution was found to be 51.522 grams. Calculate the weight percent of impure rock salt in the prepared solution.
asked by julia 
math problem (please help)
Find ( f + g)(x). f (x) = 3x^2 – 2 g(x) = 2x^2 – x – 2 a. ( f + g)(x) = x^4 + x b. ( f + g)(x) = 5x^4 – x – 4 c. ( f + g)(x) = x^2 + x d. ( f + g)(x) = 5x^2 – x – 4 e. ( f + g)(x) = –5x^2 + x + 4
asked by ada 
Chemistry
Dalton discovered electrons inside of atoms by using thermal energy. Thompson discovered electrons inside of atoms by using cathode rays. Thompson discovered electrons inside of atoms by using X rays. Dalton discovered electrons inside of atoms by using
asked by Angela 
Anthropology
Why is the term, "evolution" applied to Charles Darwin even today? and Why and how does it apply to a cultural anthropology? Thank you
asked by Anonymous 
History
What messages did Muhammad receive from the angel on ethics?
asked by Anonymous 
sat
12 pitchers and 3 pitcher's is left handed, one radom chosen what probability the pitcher is left handed?
asked by Anonymous 
PreCalculus
Hello! I need help with these 2 questions: 1.) Describe how the graphs of f(x) = 2x and g(x) = 2x are related. a.) All of these. b.) The graph of g(x) is a reflection of the graph of f(x) over the yaxis. c.) Non of these. d.) The graph of g(x) is a
asked by Paris 
PreCalc
1.) If you use the parent graph y=sqaureroot of x as a reference, how would you graph y=sqaureroot of x+2+5? a.) Move the parent graph two units to the right and then up five units. b.) Move the parent graph two units to the left and then up five units.
asked by Andrew 
Physics
A horizontal force of 3,000,000 dynes can keep a 50 kg mass in uniform motion. What is the coefficient of the kinetic friction? At what angle must the plane be tilted to allow the mass to slide?
asked by Ked 
word processing
Which sentence uses a comma correctly? A. She wanted to be an astronaut, after finishing school. B. Thank you for returning my call, Mary. C. He would like to order the steak, and fries. D. Jim grabbed a bottle of ketchup, to go with his fries.
asked by cindy 
Chemistry
A car moving in a straight line at an average speed of 55.0 mi/hr for 4.25 hr has traveled _____. 234 mi 15 mi 13 mi 220 mi
asked by Angela 
chemistry
how many ml of polyurethane and catalyst for the ratio of 7:1 if I have 30cm width,98cm lenghth and .2cm height?
asked by ezekiel 
Abstract Algebra
If G is a group with exactly 66 elements of order 14, how many subgroups of order 14 does G have?
asked by Ashley 
Math
Simplfy the following 10.2*1.4/4.8
asked by Nuwel 
math
if I have a 100,000 @8% how much would the payments be and for how long?
asked by DeLoris 
Math
I already know the angle of Eastdale which is 45° due to the turn from due east to the northwest. So therefore so I need to find the measures of angle c and angle n. I can use the Law of Sines. sin‹C/c=sin‹E/e sin‹C/18=(√2/2)/12.7308
asked by Alex 
history
where did the lip piercing begin?
asked by casey 
French
How do you give orders to someone in French using their name? Is this done in the same construction as in English?
asked by Anonymous 
English
What are some similarities and differences between the poems "i sing of Olaf glad and big" and "Night, Death, Mississippi"?
asked by Aly 
Science
Your family is going to have a contractor build a pool in your backyard. Your mom wants to make this a learning experience, so she asks you to find the mass of the water that will fill the pool. She has told you that the pool holds 75,700 L of water, and
asked by Angela 
Microbiology
If you are formulating a new chemical disinfectant for bacterial control in the home, note two factors that you would take into consideration when designing this disinfectant. a. b.
asked by Rose 
Microbiology
Explain why regular hand soaps are good degerming agents but poor antimicrobial agents
asked by Rose 
PreCalc
1.) If f(x) = 3x + 5 and g(x) = 5  x, then g(f(x)) = 10 + 3x. True or False? My answer: True 2.) If f(x)=x+2 and g(x)=4x^2, then f(g(x))=x^2+6? True or False? My answer: False 3.) If f(x)=x^2 and g(x)=x1, then f(g(x))=(x1)^2, which is x^22x+1 when
asked by Tina 
Math Homework
1.) If f(x)=x^2 and g(x)=4x5, then fg(x)=4x^35x^2? True or False? My answer: True 2.) If f(x) =1/x and g(x)=1/x^2, find (g/f)(x). My answer: I need help with this one.
asked by Molly 
Music
What is the name of the pitch that is a fifth above B flat?
asked by Faye 
HISTORY
In the Seven Years’ War, Spain fought on the side of France right? Native Americans were unable to resist successive waves of European immigrants at least partially because they were divided among themselves. this is true right?
asked by Anonymous 
Science: Acids that affects the tooth enamel
I know phosphorus and amino acids has their roles with affecting the tooth enamel, but is there other acids that can help or destroy the tooth enamel? Thank You in advance.
asked by losa 
Science
The force of 100dynes acts on a mass of 50 grams for 10 seconds. Find the change in moentum
asked by Jeyanthi 
Math
Is 2340 divisible by 90 and what is the divisible numbers for my question
asked by Jacob kelley 
Algebra 2
Y1/x+3 =3/4 Can you explain your teps. Thank you
asked by Anonymous 
workshop
How will you apply these concepts in your educational, personal, or professional pursuits?
asked by Anonymous 
faith academy
kindly explain the 2 major environments in social studies
asked by victoria 
english
essay on my dreams and fair
asked by sushmita 
ratios
1/4 to 1/3? 1/4:1/3
asked by Bobby