Questions Asked on
October 1, 2012

chemistry
Write a balanced chemical equation for the reaction that occurs when barium carbonate decomposes into barium oxide and carbon dioxide gas when heated. Express your answer as a balanced chemical equation. Identify all of the phases in your answer.
asked by Anonymous 
Math, Trig
The high level bridge, a railway bridge that crosses the Oldman River is over 1km long. From one point on the river, the angle of elevation of the top of the bridge is 62.6 degrees. From a point 20m closer to the bridge, the angle of elevation of the top
asked by Sonny 
Physics
A mass hangs on the end of a massless rope. The pendulum is held horizontal and released from rest. When the mass reaches the bottom of its path it is moving at a speed v = 2.8 m/s and the tension in the rope is T = 21.7 N. 1)Now a peg is placed 4/5 of the
asked by Anonymous 
geography
Find a functional factor that connects Egypt to Africa, to Europe, and to Southwest Asia.
asked by Anonymous 
language arts
I have another question on object of the preposition. In the sentence, I found my homework inside my social studies book. Would the object of the preposition just be book or would it be social studies book? I'm getting confused. I know social studies tells
asked by Brandi 
Physics
Sam, whose mass is 80kg , takes off across level snow on his jetpowered skis. The skis have a thrust of 220N and a coefficient of kinetic friction on snow of 0.1. Unfortunately, the skis run out of fuel after only 8.0s. a) What is Sam's top speed? b) How
asked by Anonymous 
math
what two simpler problems can you use to find 9 times 38?
asked by brendan 
PreAlgebra
If a ping pong ball falls from the top of a building that is 168 feet high, how many seconds will it take the ball to hit the ground? Remember, the formula for distance is d = 16t^2. 1 3.2 10.5 16
asked by Anonymous 
Physics
To demonstrate standing waves, one end of a string is attached to a tuning fork with frequency 120 Hz. The other end of the string passes over a pulley and is connected to a suspended mass M, as shown. The value of M is such that the standing wave pattern
asked by AJ 
Organic Chemistry
In lab, we did an oxidation of 2ethyl1, 3hexanediol with acetic acid and sodium hydrochlorite. I understand the acid is the solvent and in combination with NaOCl produces hypochlorous acid the oxidizing agent. Then we mix with an ice salt mixture and
asked by Anonymous 
statistics
4. A college student is interested in whether there is a difference between male and female students in the amount of time spent studying each week. The student gathers information from a random sample of male and female students on campus. Amount of time
asked by Ashley 
Statistic
If a person told you what month he was born, would it be unusual to guess the date of his birth ( not including the year)? Justify your answer. (Note: An event is to be considered "unusual" if its probability is less than or equal to 0.05.)
asked by Anonymous 
ap
Identify the type of reaction C4H10(g) + O2(g) ! CO2(g) + H2O(g) 1. hydrocarbon synthesis 2. single displacement 3. incomplete combustion 4. complete combustion
asked by cheri 
Math
The number 57,733 contains two sets of digits in which one digit is ten times as great as the other. What are the values of the digits in each set?
asked by Jimmy 
7th grade math ms. sue please help
If Fran’s fudge recipe calls for 2 and 1/2 cups of sugar and she increases it by 2/5 of a cup, how much sugar does she use? a. 2 2/10 b. 2 3/7 c. 2 4/9 d. 2 9/10 is the answer d because 2 1/2 plus 2/5 equals 2 9/10? If it is incorrect, then why? Thanks!
asked by Delilah 
Math
In the number 7,725 which places contains digits where one digit is ten times greater as the other?
asked by Jimmy 
statistics
4. A college student is interested in whether there is a difference between male and female students in the amount of time spent studying each week. The student gathers information from a random sample of male and female students on campus. Amount of time
asked by Ashley 
ap
An excess of aqueous AgNO3 reacts with 44.5 mL of 5 M K2CrO4(aq) to form a precip itate. What is the precipitate? 1. K2CrO4 2. KNO3 3. Ag2CrO4 4. AgNO3 What mass of precipitate is formed? Answer in units of g
asked by cheri 
Economics  Finance
If your bank pays 5.5 percent interest on savings deposits, what is the simple interest paid in the third year on an initial $100 deposit? What is the total amount in the account after three years? What is the amount after three years if the interest was
asked by Wendi Jones 
Daily word problems
The distance across the front of the store is 294 feet. The distance from the front to the back is onethird of this distance. If the owners paint a sign all the way around the outside of the factory, how many feet long will the sign be?
asked by Nay lean 
calculus
If a rock is thrown upward on the planet Mars with a velocity of 13 m/s, its height in meters t seconds later is given by y = 13t − 1.86t2. (Round your answers to two decimal places.) (a) Find the average velocity over the given time intervals.
asked by david 
Calculus
A closed box is to be rectangular solid with a square base. If the volume is 32in^3, determine the dimensions for which the surface area is minimum.
asked by kieran 
chemistrylattice energy
Determine the lattice energy for CaBr2 if the enthalpy of solution for CaBr2 is 145 kJ/mol, and the heats of hydration for Ca2+ and Br are 1650 kJ/mol and 292 kJ/mol respectively.
asked by Bru 
Geomatic Sequence
In a geomatic sequence, the seventh term exceeds the fifth term by 1920. Find the sum of the first eleven terms if the common ratio of the sequence is 2.
asked by Nina 
Chem
Zinc, copper, lead, and mercury ions are toxic to Atlantic salmon at concentrations of 6.42 times 10 to the 2 mM, 7.16 times 10 to the 3 mM, 0.965 mM, and 5.00 times 10 to the 2 mM, respectively. What are the corresponding concentration is milligrams
asked by HELP 
7th grade math help quick please
Which is irrational? 0.117117117 . . . 0.8596873205 . . . 0.812812812812 . . . 0.605605605 . . . 6. If there is 1/2 of a pizza and Jonas wants only 1/3 of it, how much of the pizza will he eat? (1 point) onefifth twofifths onesixth twosixths One
asked by Delilah 
7th grade science Ms. Sue
Violent storms generally form along _____. (1 point) occluded fronts cold fronts warm fronts stationary fronts 2. Areas of low pressure usually have _____. (1 point) cloudy weather good weather descending air none of the above These are my answers. Are
asked by Delilah 
Physics
Sam, whose mass is 80kg , takes off across level snow on his jetpowered skis. The skis have a thrust of 220N and a coefficient of kinetic friction on snow of 0.1. Unfortunately, the skis run out of fuel after only 8.0s .
asked by Anonymous 
chemistry
A compound has the empirical formula CH2O. When 0.0866 g is dissolved in 1.0 g of ether, the solution’s boiling pint is 36.5oC. Determine the molecular formula of this substance
asked by Danica 
ap
An excess of aqueous AgNO3 reacts with 44.5 mL of 5 M K2CrO4(aq) to form a precip itate. What is the precipitate? 1. K2CrO4 2. KNO3 3. Ag2CrO4 4. AgNO3
asked by cheri 
Physics
A variablelength air column is placed just below a vibrating wire that is fixed at the both ends. The length of air column open at one end is gradually increased from zero until the first position of resonance is observed at 20 cm. The wire is 115.4 cm
asked by AJ 
trig
a plane flying 33,000 ft is 130 miles from the airport when it begins to descend if the angle of descent is constant find this angle
asked by gabby 
ap
Which of the following metals or nonmetals are expected to displace Mn or Cl (respec tively) from MnCl2? 1. Cu should displace Mn. 2. I should displace Cl. 3. Ca should displace Mn. 4. Br should displace Cl.
asked by cheri 
Chemistry
A chemist requires 0.780 mol Na2CO3 for a reaction. How many grams does this correspond to?
asked by Tisha 
MATH
tHERE ARE 4 FIFTH GRADE CLASSES IN A SCHOOL. EACH CLASS Has 24 STUDENTS. fOR EACH GYM PERIOD, TWO FIFTH GRADE CLASSES TAKE GYM TOGETHER. tHERE ARE 10 GYM PERIODS IN ALL DURING SCHOOL WEEK. wHAT INFORMATION IS NOR NEEDED TO FIGURE OUT HOW MANY TOTAL
asked by lhyza 
chemistry
What is the density of a sample of 65.0mL of automobile oil having a mass of 59.82g
asked by tina sayers 
Chemistry
Suppose you titrated a sample of distilled water with EDTA, approximately what volume of EDTA would be required?
asked by Julie 
math
if you used the rule (6x, 6y) to transform Mug into a new figure, how would the angles of the new figure compare to Mugs angles
asked by Aaron 
world civilization ( the roman empire)
What political, social, and economic problems beset Rome in the third and fourth centuries c.e.? How did Diocletian and Constantine deal with them? Were they effective in stemming the tide of decline and disintegration in the Roman Empire? What problems
asked by lashay 
chemistry
A 25.00 mL solution of potassium nitrate (KNO3) was diluted to 125.0 mL, and 25.00 mL of this solution were then diluted to 1.000 103 mL. The concentration of the final solution is 0.00421 M. Calculate the concentration of the original solution.
asked by Tim 
English 4
The 14th century was a time of what? a.peace b.urban growth c.inflation d.upheaval and change
asked by Monica 
chemistry
Calculate the mass of solid Na2S2O3•5H2O required to prepare 300. mL of 0.0200 M Na2S2O3
asked by Nicolai 
physics 23
A 4.1mdiameter merrygoround is initially turning with a 4.2 period. It slows down and stops in 24 . How many revolutions does the merrygoround make as it stops?
asked by Anonymous 
ap
If aqueous hydrofluoric acid is reacted with sodium hydroxide, which of the following sub stances are in the net ionic equation? 1. fluoride ion, hydronium ion, and water 2. hydrofluoric acid, sodium ion, hydroxide ion, and fluoride ion 3. hydrofluoric
asked by cheri 
AP US History
Here is the question: How consistent were the republican principles applied by Thomas Jefferson and James Madison during their presidencies? How did their policies affect the Federalist Party during Jefferson's and Madison's administrations? Don't be mean
asked by Cora 
Physics
A length of organ pipe is closed at one end. If the speed of sound is 344 m/s, what length of pipe is needed to obtain a funda mental frequency of 70 Hz? Answer in units of m.
asked by AJ 
chemistry
Calculate the molar mass of a nonelectrolyte that lowers the freezing point of 25.0 g of water to  3.9 oC when 4.27 g of the substance is dissolved in the water.
asked by Danica 
hard 5th Grade Math
Two 5th grade classes raised money for their local animal shaelters.There are 20 students in Class A. Each student raised 12$. There are 26 students in Class B raised 1.5 times as much as each student in Class A. A. How much money was raised altogether in
asked by Kristiana 
PHYSICS
1.) A bird can fly 20 km/h. How long does it take to fly 12 km? 2.) If you are driving 116 km/h along a straight road and you look to the side for 3.0 s, how far do you travel during this inattentive period?
asked by HELP! 
English III
In Dust Tracks on a Road, what kind of literature did the young Hurston like best that made her think of heroic deeds? B. stories of math geniuses
asked by Hally 
Geomatic Sequence
In a geomatic sequence, the 7th term exceeds the 5th term by 48. Find the first term if the common ratio is 2.
asked by Fara 
Calculus
Consider the planes given by the equations 2y−2x−z=2 x−2y+3z=7 (a) Find a vector v parallel to the line of intersection of the planes. (b)Find the equation of a plane through the origin which is perpendicular to the line of intersection of these two
asked by Felicia 
ap
Classify the reaction (NH4)2Cr2O7 ! N2 + 4 H2O + Cr2O3 as one or more of the following: Z1) combination Z4) metathesis Z2) decomposition Z5) displacement Z3) redox 1. Z2 only 2. Z2 and Z5 only 3. Z2 and Z3 only 4. Z3 and Z5 only 5. Z1 and Z3 only
asked by cheri 
ap
A ruptured tank in Anywhere, USA, spilled hydrochloric acid. Officials were reported to be concerned that the acid might mix with sodium hydroxide (caustic soda) in a neigh boring tank and form a toxic gas. What toxic gas would be formed by mixing
asked by cheri 
Math
A baseball diamond is a square sides 22.4 m. The pitcher's mound is 16.8 m from home plate on the line joining home plate and second base.. How far is the pitcher's mound from first base? (we are using the LAW OF SINES AND COSINES)
asked by Kailey 
finance
Your company will generate $45,000 in cash flow each year for the next nine years from a new information database. The computer system needed to set up the database costs $260,000. Assume you can borrow the money to buy the computer system at 8.25 percent
asked by Anonymous 
HEALTH
1)What is a doctor's responsibility if a patient requests restrictions on the use of his or her PHI? a. Since HIPAA doesn't address this issue, the doctor is free to decide on a casebycase basis. b. The doctor need not comply with the patient's wishes if
asked by Marcelo 
Maths
Hi, I am working on some Nth problems  can anyone tell me if this is correct : Nth term sequence is n + 4 are the first three terms 5,6,7, A nth term is 85  5n are the first three terms of the sequence 17, 34, 51, A nth term is 2n  0.5 are the first
asked by Andy 
Physics
A loaded truck can accelerate at 4 m/s 2. It loses its load so that it is only 0.1 as massive. By what factor must the acceleration change for the same driving force?
asked by Maria 
7th grade math
I need help on these two questions because i have no clue what to say.... What caused the rise of the feudal system in Japan? More than 100 years after Akbar's death, the Mughal Empire began to fall apart. What were two of the reasons that caused this to
asked by Delilah 
Physics
A pipe that is open at both ends has a fundamental frequency of 330 Hz when the speed of sound in air is 333 m/s. What is the length of this pipe? Answer in units of cm. What is the second harmonic? What is the third harmonic? Answer in units of Hz. What
asked by AJ 
Maths, Ratio
Mrs Rama uses 0.4 liters of water melon juice for every 0.9 liters of apple juice to make a jug of mixed fruit juice. A) Find the ratio of the amount of watermelon juice to the amount of apple juice. B) For every 225 ml of apple juice, how much watermelon
asked by Justin 
Math
Round 11.76 to the nearest one
asked by Ant 
Physics
A loaded truck can accelerate at 4 m/s 2. It loses its load so that it is only 0.1 as massive. By what factor must the acceleration change for the same driving force?
asked by Maria 
Physics
if pressure inside a cylinder with a circular hatch is 2 atm and the radius of the entrance hatch is 12 inches, what force does the air exert on the hatch? i cannot figure out if it would be 13,300.6 lb 24 lb 288 lb 1,300.6 lb or 904.8 lb
asked by Lauren 
Chemistry/Electrochem
Consider a cell at 299K: line notation FeFe2+(1.39)Cd2+(2.35)Cd Given the overall standard reduction potential of the cell is 0.038. What will the concentration of the Cd2+ solution be when the cell is dead?
asked by Andres 
physics
Bob shoots an arrow straight up into the air at 78.5 m/s. 1)What is the maximum height of the arrows flight? 2)How long is it in the air?
asked by kadeem 
physics
Consider again the problem of a car traveling along a banked turn. Sometimes roads have a "reversed" banking angle. That is, the road is tilted "away" from the center of curvature of the road. If the coefficient of static friction between the tires and the
asked by sierra 
education
6. Which of the following statements about the field of child development is correct? A. It’s devoted to understanding human constancy and change over the lifespan. B. It’s part of a larger, interdisciplinary field known as developmental science. C. It
asked by mandy 
science
if two carbon atoms are joined by a triple bond how many other atoms can each carbon atom bond with
asked by Neil 
Physics
The length of a string is 344 cm. The string is held fixed at each end. The string vibrates in two sections; i.e., the string has two antin odes, and the string vibrates at 130 Hz. Find the wavelength answer in m What is the fundamental frequency? Answer
asked by AJ 
Math
Bunches of 6 roses were selling for $8. Anita paid $40 for roses. How many roses did she buy? PLEASE HELP!
asked by Kathryn 
Math
Which coins would you use to make $0.28? Write two ways
asked by Harry 
Chemistry
how many grams of ethylene (C2H4) are required for the complete reaction of 31.7 grams of hydrogen gas?
asked by Vilma 
Chemistry/Electrochem
A concentration cell is built based on the following half reaction: Zn(2+) + 2e() > Zn E(o)=0.761 Using two pieces of zinc of electrodes (each 100.0 g), two Zn(2+) solutions, 0.101M and 0.427M (both exactly 1.00 L in volume), and all the other materials
asked by Andres 
English 4
What are 3 common forms AngloSaxon literature?
asked by Monica 
ap
A volume of equimolar strong acid like HCl is mixed with an equal volume of equimolar strong base like NaOH in a beaker of water. What exists after the reaction? 1. mostly water molecules and HCl, NaOH, and NaCl molecules 2. mostly water molecules and Na+
asked by cheri 
Math. due tomorrow
A female moth lays nearly 150 eggs. In on year there may live up to five generations. Each larva eats about 20mg of wool. Assume that 2/3 of the eggs die and that 50% of the remaining moths are females. Estimate the amount of wool that may be destroyed b
asked by kyle 
math
the perimeter of an athletic field is 104 meters and the length is 12 meters more than the width find the width and the length.
asked by john 
math
a an sold a bicycle for an amount which was greater by rs. 988 than half price he paid for it an made a profit of rs. 300 how much did he sell the bicycle for???
asked by TUHITUHI 
probability
in a health study, 18% of americans are underweight. If 4 americans are randomly selected, what is the probability that at least one will be underweight?
asked by Lisa 
Biology
How can NaHCO3 function as both the acidic component of the NaHCO3/Na2CO3 buffer system and as the basic compnent of the H2CO3/NaHCO3 buffer system?
asked by Jim 
math
Two friends decide to cycle to a picnic spot the first person cycles 5 and a 1/2 km/hour and 2nd cycles 6 and a3/4 km/hour to make up for being slow the first person starts out two and half hour earlier after how much time and distance will the 2nd person
asked by TUHITUHI 
American History
1. The Articles of Confederation called for which of the following? A. A single legislative body B. A chief executive C. The right of the legislature to assess taxes D. The Northwest Ordinance 2. Jacques Cartier sailed to the New World in 1534 in search of
asked by Lily 
CHEM
25.0 CM3 OF 0.100M acetic acid is titrated with 0.900M of NaOH. Ka for acetic acid =1.85*10^5. calculate 1)the intial pH of the solution. 2) the pH of the mixture at 1cm3 before the equivalence point. 3) the pH of the mixture at the equivalence point 4)
asked by DARRYL 
physics
A 4.1mdiameter merrygoround is initially turning with a 4.2 period. It slows down and stops in 24 . Before slowing, what is the speed of a child on the rim?
asked by Anonymous 
ap
Which of the following is best described as an acidbase reaction? 1. NaCl + AgNO3 !NaNO3 + AgCl 2. NH3 + H2O ! NH+ 4 + OH− 3. 2HgO ! 2 Hg + O2 4. Ca + 2H2O ! Ca(OH)2 + H2 5. KCl + NH4NO3 ! KNO3 + NH4Cl
asked by cheri 
ap
The net ionic equation for ALL aqueous reaction of strong acids and strong soluble bases that form soluble salts is 1. the formation of H2O from H+ and OH−. 2. the formation of water and the corresponding salt. 3. the formation of water from the
asked by cheri 
calculus
For what values of x does the graph of f have a horizontal tangent? (Use n as your integer variable. Enter your answers as a commaseparated list.) f(x) = x − 2 sin x
asked by Anonymous 
Calc 3
If a function of one variable is continuous on an interval and has only one critical number, then a local maximum has to be an absolute maximum. But this is not true for functions of two variables. Show that the function f(x,y)= 3xe^y − x^3 − e^(3y
asked by Becky 
math
roated beef has 20g of protein and 11g of calcium per serving. serving of mashed potatoes has 2g of protein and 25g of calcium, how many servings of each are needed to supply 29 grams of protein and 61 grams of calcium?
asked by deepa 
chem
Which of the following solutions has the highest concentration of Cl ions? 500 mL of 0.10 M NaCl 100 mL of 0.20 M MgCl2 200 mL of 0.10 M FeCl3 400 mL of 0.30 M NH4Cl 200 mL of 0.20 M KCl
asked by Joe 
science
if two carbon atoms are joined by a triple bond how many other atoms can each carbon atom bond with
asked by Neil 
calculus and physics
An explosion causes debris to rise vertically with an initial velocity of 75 ft/sec. a. In how many seconds does it attain maximum height? b. What is the maximum height? c. What is the speed of the debris as it reaches 12 ft on the way back to the ground?
asked by olivia 
algebra 2
0.25(6.4x)>120
asked by Yasmin 
Chemistry
How do I calculate the overall confidence limit and the overall relative confidence limit for the percent chloride? I've found the percent mass of chloride in the unknown to be 60.03 % and the formula we were given uses the mean but I have no mean in this
asked by Danielle 
chemistry
Which compound on the left, when dissolved in water, does not produce the corresponding compound(s) on the right? 1. CaO ! Ca(OH)2 2. SO2 ! H2SO4 3. NaH ! NaOH + H2 4. N2O5 ! HNO3 5. Cl2O7 ! HClO4
asked by cheri 
physics
A football is thrown directly toward a receiver with an initial speed of 15.8 m/s at an angle of 17° above the horizontal. At that instant, the receiver is 18 m from the quarterback. In what direction and with what constant speed should the receiver run
asked by :) 
math
Roberto and Luisa Barron Lopez each work full time jobs, and Luisa's mother, Carmena, collects a monthly pension of $628. Between the three of them, their total household income is $4238 each month. If Luisa earns $1772, how much does Roberto earn each
asked by jaime 
math
there are 15 boys and 18 girls in fifth grade. Find the ratio of boys to girls in fifth grade.(how do I get the answer) can someone show me how to work the problem
asked by dan 
Math
What is the scientific notation for 135,000,000?
asked by Yolondia Jones 
chemistry
A 25.00 mL solution of potassium nitrate (KNO3) was diluted to 125.0 mL, and 25.00 mL of this solution were then diluted to 1.000 103 mL. The concentration of the final solution is 0.00421 M. Calculate the concentration of the original solution.
asked by Aiden 
into to film
Review a film explain how cinematography is used within the scene how does the cinematography inform the setting? How does it inform the characters?
asked by latasha 
Physics
A ball is thrown downward from a balcony that is 19.6m above the ground one kid throws downward at 14.7m/s, at the same time another student throws a ball upward from the balcony at the same speed. what is the difference of the time the balls are in the
asked by Bear 
math
Order each set of numbers from least to greatest. 0.27,0.56,0.212, 0.563, 0.276, 0.5
asked by stephanie 
Science
The densities of the Jovian planets are A. not more than about 0.5 times the density of water. B. not more than about 1.5 times the density of water. C. from 3.9 to 5.5 times the density of water. D. more than 5.5 times the density of water. Reset
asked by Anonymous 
Statistics
3. A researcher is interested in comparing the Christian maturity level of students who volunteer for community service versus those who do not. The researcher assumes that those who perform community service will have higher Christian maturity scores. The
asked by Anonymous 
MATH/PHYSICS
1.) A bird can fly 20 km/h. How long does it take to fly 12 km?
asked by please help! 
Chemistry/Electrochem
Consider a cell at 255 K: line notation PbPb2+(1.27M)Fe3+(2.29M)Fe Given the standard reduction potentials calculate the cell potential after the reaction operated long enough for Fe3+ to have changed by 1.432M? I know that Fe3+ is the cathode which
asked by Andres 
AP physics
Lucy is using a programmable treadmill. She inputs a top speed into the treadmill and presses "start." The treadmill accelerates from rest at 0.100 m/s2 until it reaches that speed, after which it stays at that constant speed. Later, when she is getting
asked by Philip 
Evolutionary Bio
What is Ghost of selection past?
asked by M 
Physics
A mass m1 = 5.0 kg rests on a frictionless table and connected by a massless string to another mass m2 = 5.9 kg. A force of magnitude F = 40.0 N pulls m1 to the left a distance d = 0.77 m. 1)How much work is done by the force F on the two block system?
asked by J.C. 
physics
the mass density of a mixture of ethyl alcohol and water is 950kg/m^3. is the mixture mostly water, alcohol, or about half and half. What is your reasoning?
asked by tiffany 
College Physics
a 5.63kg ball hangs from a vertical pole by a 2.4 long string. Assume the ball is moving at 4.33m/s in a horizontal circle with the string remaining taut. Calculate the angle that the string makes with the pole.
asked by Nicole 
physics
A ball is thrown straight up with an initial speed of 30 m/s. How high does it go? Assume the acceleration of gravity is 10 m/s 2 . Answer in units of m
asked by James 
math
jenny's company has two photocopying machines, one of which is older and slower than the other. In fact, the newer machine can put out fourthirds as many copies as the older machine in the same amount of time. If, while running at the same time, together
asked by jaime 
math
the high of a trapezoid is 10ft the upper base is 6ft shorter then the lower base if the area of the trapezoid is 50 square ft how long is the upper and lower base?
asked by zac 
math
One of the following functions is neither odd nor even. Which one? x^5 + 3x 6x^2 – x^2 + 3 x^9 + 3x^7 + 6x (my answer)x^2 + 3x + 3 + x –3 This is really tricky precalc graphing problem. Thanks for the help!
asked by Anonymous 
7th grade math help please
12. Which of the following numbers is an example of an integer? square root of five square root of nine onethird 0.8 13. Which number is equivalent to 4/5? 25/100 0.2 16/100 0.8 14. Riding the bus, Jasmine uses twothirds of her money for bus fare. What
asked by Delilah 
Math
One band has fewer than 40 speakers. They stack them in an array exactly 9 high. How many speakers could they have? Explain how you know.
asked by Breana 
chemistry
In the formula of crystalline CuSO4 I.E.:CuSO4.5H2O, wHAT DOES THE 5H20 STANDS FOR???
asked by Snehal 
physics
what is the velocity of the jumper at the end of 1.5second? How far does he fall?
asked by princess cayetano 
Phy new
____2.An object is thrown vertically upward with a speed of 25 m/s. How much time passes before it comes back down at 15 m/s? (Air resistance is negligible.)
asked by Shan 
Chem
Which of the following compounds are soluble? Choose at least one answer. a. BaSO4 b. K2SO4 c. KBr d. NaOH e. Al(OH)3 I originally thought it was the last four, but it isn't, or it isn't only/all of them. Aren't all sulfates and potassium soluble? What are
asked by Anonymous 
Physics
Pt. 1 Gas in a container is at a pressure of 2.3 atm and a volume of 6.1 m3. What is the work done on the gas if it expands at constant pressure to five times its initial volume? Answer in units of J My wrong answer: 56.12 Pt. 2: What is the work done on
asked by Ray 
Physic
A ball is thrown upward. What is its initial vertical speed? The acceleration of gravity is 9.8 m/s^2 and maximum height is 7.2 m,. Neglect air resistance. Answer in units of m/s
asked by Patrick 
Physics
Pt. 1 Gas in a container is at a pressure of 2.3 atm and a volume of 6.1 m3. What is the work done on the gas if it expands at constant pressure to five times its initial volume? Answer in units of J My wrong answer: 56.12 Pt. 2: What is the work done on
asked by Ray 
Math. Due in 4 hours. Please helpp!
A female moth lays nearly 150 eggs. In on year there may live up to five generations. Each larva eats about 20mg of wool. Assume that 2/3 of the eggs die and that 50% of the remaining moths are females. Estimate the amount of wool that may be destroyed b
asked by Lindsay 
Chemistry
Sulfuric acid, H2SO4, is sold as a 36% aqueous solution. What is this concentration in A. Molality B. Molarity C. The Mole Fraction Please and thank you. :)
asked by Em 
Physics
Two stones are thrown simultaneously, one straight upward from the base of a cliff and the other straight downward from the top of the cliff. The height of the cliff is 6.80 m. The stones are thrown with the same speed of 9.05 m/s. Find the location (above
asked by Jackie Li 
Physics
Consider the position of a ball thrown down with an initial speed of 17 m/s.What will be its position after 2.6 s? Let the initial position be 0. The acceleration of gravity is 9.8 m/s 2 . Answer in units of m
asked by Diego 
Calc
Evaluate the integral using any method: (Integral)sec^3x/tanx dx I started it out and got secx(1tan^2x)/tanx. I know I just have to continue simplifying and finding the integral, but I'm stuck on the next couple of steps. Also, I have another question
asked by H 
physics
A mass m = 14.0 kg is pulled along a horizontal floor with NO friction for a distance d =8.7 m. Then the mass is pulled up an incline that makes an angle θ = 27.0° with the horizontal and has a coefficient of kinetic friction μk = 0.41. The entire time
asked by need of help 
french
unscramble the word for a sport ciemesr
asked by Anonymous 
PSYCHOLOGY
what are the apparent symptoms of anxiety in terms of physiological, behavioral, and cognitive indicator? if both a parent and a child experience anxiety in similar situations, how would you account for the influences of heredity, preparedness, and
asked by jasmine 
Math
Refer to the following chart. Using the equation (bodysize factor X height in centimeters = volume of lungs), calculate the difference in the lung volumes of a male athlete who is 62 inches tall and a female athlete who is 56 inches tall. Show your work.
asked by In need of an answer fast! 
college stats
can someone please explain the steps: suppose that the grade point average,denoted by X,of a university student is Normally distributed with the mean 2.786 and standard deviation 0.375 A). a student is on the deans list if her GPA exceeds 3.746. What
asked by damon 
History
The responsibility of compiling the data from the Domesday Survey fell to The Norman King the shire tenant in chief the office of the Exchequer the local sheriff none of the above
asked by Billy 
English
In the novel The Lord of the Flies, how do the many themes connect? So far the themes I have discovered have to do with society being built on ethics, fear or fear of the unknown, the loss of innocence, the capability of evil in human nature, and the
asked by Kailyn 
math  integers
The sum of 25 consecutive integers is 1000. What is the smallest integer used as an addendum?
asked by nicole 
Math
At the start, a biologist counts M microbes in a sample. Every day after that, the number of microbes in the sample, is multiplied by some number N. Write the expression for the number of microbes in the sample 1) after day one 2) after day two Use
asked by Meagieting 
Physics
The lowest A on a piano has a frequency of 27.5 Hz. Assume: The tension in the A piano wire (of length 0.51 m) is 305 N, and onehalf wavelength occupies the wire. What is the mass of m the wire? Answer in units of kg.
asked by AJ 
Accounting
Accounting for a JobOrder Cost System [LO 3, 6, 7, 9] Bob and Beth Ford retired from the food services industry and began catering wedding receptions on a limited basis. The major costs in setting up their business included: linens, $1,600; two complete
asked by Patricia 
Answer my grammar q.
Please answer it quick i don't have a lot of time to wait for the answer!
asked by Unknown 
Geometry
True or False: If a ray bisects an angle of a triangle, then it also bisects the side opposite the angle. If a plane intersects a cylinder, then the intersection must be a circle. I think the first one is true and the second one is false.
asked by Rayne 
Physical science
Why through photosynthesis we mustn't put sodium or potassium hydroxide?? (an experiment for testing the carbon dioxide if it is important for the starch formation)
asked by Razan 
Maths
Find a three digit number so that when the digita of the number Are added together the total is one fifth of the product of the digits
asked by Izzy 
chemistry
what is the height of the ethyl alcohol that exactly fills a 200.0mL container? the density of ethyl alcohol is 0.789/mL
asked by Alexis 
fransis xavier anglo indian
how do you describe the night
asked by shanmathi 
college physics
By immersing a crown in water its volume is 26inc^3=4.2x10^4m^3. what would its weight be if it were pure gold? What would its weight be if its volume were half gold and half lead?
asked by tiffany 
Math
Determine if the ordered pair is a solution to the system. 5x  7y= 4 y= 1/2 x  1 a. (2,2) b. (2, 2)
asked by Neil 
6th grade math
how many hours dose it take for a rino to run 158,400 feet
asked by Josh 
physics
A compact disc spins at 2.7 revolutions per second. An ant is walking on the CD and finds that it just begins to slide off the CD when it reaches a point 2.8 cm from the CD's center.
asked by sierra 
chemisry
compare and contrast the abilities of carbon, sodium, and neon to form chemical bonds?????
asked by alex 
math
Abby takes 6 steps forward, them 2 steps back. If she repeats this pattern, how many steps will she be from where she started after 4 moves? After 5 moves?
asked by anonymous 
math
use the orden of operation and the digit 4 four time to write problems that have the following answers 44
asked by kelly 
sew
what is easing definition of easing
asked by qwerty 
7th grade math
What is threeeighths written as a decimal? (1 point) 2.3 repeating 0.375 .3 repeating 2.667
asked by Delilah 
history
What are three good points to talk about in a research paper about child labor in the 1800s? 10th grade level please.
asked by bob 
Chemistry
254 g of copper sulphate, CuSO4 is dissolved in water to produce 650 ml of solution. Determines the degree of concentration of the solution in mol / L.
asked by Maxine 
PHYSICS
A projectile is fired from the surface of the Earth with a speed of 150 meters per second at an angle of 45 degrees above the horizontal. If the ground is level, what is the maximum height reached by the projectile?
asked by Liz 
English
An example of backformation is
asked by Mike Howard 
Algebra
What is the rule in equation form of an input/output table if the inputs are 2 10 and 6 and the outputs are 2 6 and 4 ?
asked by Jenna 
english
spelling rule V exercise: Which word is out of the place in each line? and why? a. equipped, preferred, controlled, committed, committee b. tonnage, stoppage, occurrence, recurrence, deferred, acquittal c. deterrent, different, installment, recurrent,
asked by Anonymous 
maths
what is prime factorization of 58
asked by dian 
Chemistry
I am trying to figure out how to calculate the reaction rate. In my question the reaction rate is: 1/2x molarity of sodium thiosulfate/reaction time Then I have to compare the rates of runs 13 and determine the orders of the reaction. Do I only find the
asked by Zach 
Math
A large company has a private computer network connecting 300 different sites. Each site is connected to the network independently with a switch that fails with probability 1% on any given day. 1. What is the probability that exactly two of 300 sites lose
asked by Steven 
geography
Will you please check my answers? 1. What is the capital of South Carolina, the first state to withdraw from the Union before the Civil War? Columbia, South Carolina 2. Which Scandinavian country has the highest overall elevation? Norway 3. What color is
asked by Reed 
math
A company produces three types of color TVs: Models X, Y and Z. Each model X requires 2 hours of electronic work and 2 hours of assembly work. Each Y model requires 1 hour of electronic work and 3 hours of assembly work. Each model Z requires 3 hours of
asked by justin 
world civilization . NEED HELP ASAP
What theories have scholars advanced to explain the decline and fall of the Roman Empire? What are the difficulties involved in explaining the fall? What explanation would you give?
asked by lashay 
chemistry
I need to determine how many grams of Cesium Iodide following solutes would be needed to make 5.00 102 mL of a 0.300 M solution.
asked by Shawn 
english
Early that day the weather turned and the snow was melting into dirty water. Streaks of it ran down from the little shoulderhigh window that faced the backyard. Cars slushed by on the street outside, where it was getting dark. But it was getting dark on
asked by zarra 
Math
Create an addition word problem and a subtraction word problem using fractions. Show how to find the solution to each problem. Once you find the solutions to your problems, rewrite the solutions as either a terminating or nonterminating decimal.
asked by Christian 
phi
Karl Popper advocates, as a more efficient way to examine a scientific hypothesis, which of the following?
asked by renee 
Math
An amount of $2,500.00 is depsoisted in a bank paing an annual interest rate of 5.3% coumpounded quaterly. Find the balance after 3 years
asked by Dierdre 
language arts
In the sentence "You can get supplies from the stationary store." I know the prepositional phrase is from the stationary store and the preposition is from. Would the object of the preposition be just store or would it be stationary store? Thanks...
asked by Brandi 
Physics
A loaded truck can accelerate at 4 m/s 2. It loses its load so that it is only 0.1 as massive. By what factor must the acceleration change for the same driving force?
asked by Maria 
precalculus
form a polynomial f(x) with real coefficients having the given degree and zeros. degree 5; zeros 7; i;9+i enter the polynomial. f(x)=a(?)
asked by ladybug 
ela
what is the word that describe sad and angry together
asked by zarra 
educational research
I so overwhelm and lost at the moment. Summarize and complete an annotated bibliography of at least ten (10) scholarly sources that pertain to your research topic. This annotated bibliography should be a minimum of five pages in length, excluding title and
asked by June 
Spanish
Part 2 Directions: Complete the description of the following people by using the correct form of the verb and translating the adjective. Remember to make it agree in gender and number with the person(s). Example: Elena _______________ (pretty). Response:
asked by Unknown 
math
what is 750 pounds equal to in tons please show your work because i need help!!!!
asked by gaby 
Please
The War of the Roses placed the __________ on the English throne. Lancasterists Tudors Sheffields Bosworths Normans
asked by Isaac 
governement
citizens of a place?
asked by jenna 
college chemistry
In the derivation of this expression: [ln]/[HIn]A# 2 * A#1,acid/A# 2,basic * A#1 We assumed that the HIn form of the indicator is the only form present in the most acidic solution. Is this a valid assumption? Why or why not? Support your answer by
asked by Cristian 
Math Help!
is 10 000 more than 881 462 is 1000 000 less than 2 183 486 is 1 000 000 more than 746 000 is 1 000 000 less than 624 327 207
asked by Jenna 
Grammar
Does the sentence make sense: Sweat formed on the palms of my hands.
asked by Unknown 
Physics
A harmonic wave is traveling along a rope. It is observed that the oscillator that gener ates the wave completes 38.9 in 27.4 s. Also, a given maximum travels 432 cm along the rope in 10.6 s. What is the wavelength? Answer in units of cm.
asked by AJ 
DEBATE
How would you present a uniqueness, link,or impact in a policy debate? Someone told me that during the cross examination period. You are supposed to ask a question and once receive the answer you are given permission to add the link but, i forgot how the
asked by Samantha 
Algebra
214 / 2
asked by Melinda 
Math
Expression for the square of one more than a number
asked by Kelly 
psychology
1. I am using a measure of optimism in a research study. Describe two things you need to know to be sure that I have a reliable and valid measure of the construct of "optimism." 2. Describe evidence for one situational factor that has been shown to cause
asked by gifty 
Algebra
y/1025=75
asked by LaTaya 
physical science
determine how many millimeters of soft drink in a 2L bottle and how many are in a sixpack of soda cans.Also express each answer in liters.
asked by Kesha 
social studies
on what terms did BC enter confederation?
asked by sydney 
Dr. Bob, help please
does the density of an element have anything to do with the number of elections? i have to work with a partner and his reasoning is this: "the higher the atomic number, the greater the density because the atomic number is made up of protons so the more
asked by josh 
calculus
Find an equation of the tangent line to the curve at the given point. y = sec x, (π/3, 2)
asked by Anonymous 
math
Radical /12
asked by Donna 
fransis xavier anglo indian
how do we know that the bicycle is moving fast
asked by shanmathi 
math
there are 5 people.Each person has 1 hat.How many are in all.4
asked by jordan 
Healthcare Management
Whay is the role and duties of an healthacre manager?
asked by Sharon Walton 
chemistry  chemistry
on the atomic level , how are physical changes and chemical changes different ?
asked by Maria 
Math
How can you tell by looking at a graph if it's a linear, quadratic or exponential function?
asked by Emma 
math
the perimeter of an athletic field is 104 meters and the length is 12 meters more than the width find the width and the length.
asked by john 
math
the perimeter of an athletic field is 104 meters and the length is 12 meters more than the width find the width and the length.
asked by john 
Math
Two sides of a triangle measure 14 and 10. If A is the set of possible lengths for the third side, how many elements of A are integers? Is the correct answer 19 elements of A are integers?
asked by Mark 
math
the hardware store is 5 blocks east of john's house. sean lives 3 blocks west of the bank, which is 4 blocks south and 2 blocks west of the hardware store. how many blocks and in what direction is sean's house from john's house?
asked by nancy 
science
what are the four biogeochemical?
asked by chy 
business communication
Select a company of your choice in a sector that you would like to work in. Imagine that you have to make a brief presentation on this company to business school students. Develop:a) A general and specific statement of purpose.b) The key idea.c) Your
asked by Akash 
social studies
what happenswhen its time to launch the hot air balloon
asked by marco 
ILIAD (ENGLISH)
In the book Iliad, was Achilles afraid to die in the Trojan war?
asked by BOOKER PERRY 
introduction to ethics
Virtue ethics regards which of these as virtues? (Points : 1) power envy temperance inconsistency
asked by sonia 
math
How many equal groups of 24? what info do I need
asked by Janiya 
american history
Was Zbigniew Brzezinski directly involved in continuing the SALT talks or did he try to reverse the policy of detente, during the Carter administration? Those are 2 of the 4 multiple choices given to me to answer the question,but I'm confused because I'm
asked by Shawna 
Math
You're friend tells you about a new online music site called ComboAl bum that lets you choose any 10 songs from their song library for 9:99. ComboAlbum's advertising says their song catalogue is so large there are over 10; 000; 000 diff erent song
asked by John 
Math
Two sides of a triangle measure 14 and 10. If A is the set of possible lengths for the third side, how many elements of A are integers? Is the correct answer 19 elements of A are integers?
asked by Mark 
Maths
A sum of money is shared between Alice, Gayah and Sita in the ratio 3:2:4. If Gayah receives $4287.50, how much money do Alice and Sita receive altogether?
asked by Zayn 
Math
How do you write 0.013 in expanded notation
asked by Hahaah 
english
how to make a sentence with the word puerto escondido ?
asked by raechel 
MATH 4TH GRADE
THINK OF ALL THE WAYS TO BREAK 10 X 6?
asked by DENISE 
Chemistry
Would Tin(II) Fluoride be SnF^2? Im so confused!
asked by Bryce 
English
I had to write a paragraph about a personal experience of mine with no passive verbs. When I submitted mine my teacher told me it was almost correct but not right yet. Could you tell me a list of passive verbs?
asked by Brittany 
HCR210
How might a novice confuse the following advance directives within the Patient SelfDetermination Act when distinguishing information as administrative or clinical? Here is my answer please tell me what you think.... administrative data includes
asked by Sdao 
American Government 
In most States, the right to vote was originally denied to all but which one of the following groups?
asked by miracle 
programming
Daily Life Magazine wants an analysis of the demographic characteristics of its readers. The Marketing Department has collected reader survey records containing the age, gender, marital status, and annual income of readers. Design an application that
asked by Penny 
algebra
What is the rule for this equation. in: 1 2 3 4 5 6 7 8 9 10 out: 1 3 6 10 15 21 28 36 45 55
asked by Anonymous 
English
An example of backformation is
asked by Mike Howard 
math
solve the follow inequality. write your solution in interval notation. x^349x¡Ü0
asked by ladybug 
Math
Write the number that is 2 tens more than 53.
asked by Harry 
math
two numbers differ by 11 and 1/3rd of the greater exceeds 1/4th of the other by 7 . find the number ???
asked by TUHITUHI 
AP PYHSICS
A projectile is fired from the surface of the Earth with a speed of 150 meters per second at an angle of 45 degrees above the horizontal. If the ground is level, what is the maximum height reached by the projectile?
asked by Liz 
business math
sam buys a $10,000.00 teasury bill at 5 1/2% what is the effective ratr?
asked by heidi 
languagae
what is the subject noun for Jack fell down the hill
asked by damiyah 
Calculus
Find the value of c where the line l tangent to the graph of y=2.5*5^x at (0,2.5) intersects the xaxis
asked by Marlanea 
homework help
compare and contrast the abilities of carbon, sodium, and neon to form chemical bonds?????
asked by mandy 
algebra check please
7(4  t) = 84 i got: 28  7t = 84 28 = 28 7t = 112   7 = 7 t = 16 is this right : 16
asked by marko 
chemistry
how much E is used to heat 500g of iron from 22c to 55c? Cfe=0.451 Jg1C1.
asked by mark 
math
what is the prime factorization of 62
asked by dian 
Healthcare
Indicate at which point flatofthecurve medicine is experienced in the following example (imagine that antibiotics have been prescribed for a given population of 1,000 elderly persons).
asked by Hope 
math
A mother is 4 times as old as her son and 5 times as old as her daughter .When the son is three times as old as he is now, the mother's age will be 3 year's more than twice the daughter's age then what are there current ages??
asked by TUHITUHI 
math
mutiplaction 3 digit by 2 digit numbers
asked by jander 
math
solve the following inequality. write your solution in interval notation x^349x
asked by ladybug 
Chemistry
Please describe how you would approximately 0.050 M standard solution of NaCl by dissolving the appropriate amount of the salt in a 250 mL volumetric flask. Thank you!
asked by Quinn 
chemistry
A 31.0 mL solution of 0.155 M iron (III) perchlorate is prepared. This solution is then titrated with 27.1 mL of 0.250 M potassium hydroxide. What is the concentration of iron (III) perchlorate that remains in the solution?
asked by Anonymous 
Science
May you please list some pigs found in the caribbean. Thank you
asked by Juanita 
intermediate algebra
Y varies directly with square root of X. Y=3 when X=4. find Y when X=1
asked by suzy 
check my precalc
#1. solve x^2120 I got (infinity, 4) U (5,infinity) #3 what is the domain of this function? f(x)= squre root of (x3x^2) i got [1/3,0] thanks!!!
asked by rebekah 
Statistics
. Payne (2001) gave participants a computerized task in which they first see a face and then a picture of either a gun or a tool. The task was to press one button if it was a tool and a different one if it was a gun. Unknown to the participants while they
asked by Elspeth 
Physics
An object is released from rest on a planet that has no atmosphere. The object falls freely for 2.73 m in the ﬁrst second. What is the magnitude of the acceleration due to gravity on the planet?
asked by Diego 
Geometry
True or False: If a ray bisects an angle of a triangle, then it also bisects the side opposite the angle. If a plane intersects a cylinder, then the intersection must be a circle. I think the first one is true and the second one is false.
asked by Rayne 
language arts
Hi..need help with this question. Tim is moving to a new house. The words is moving can also be called a a. verb phrase b. prepositional phrase c. linking verb d. main verb Thanks..
asked by Brandi 
English
what this question means: how does the point of view affect your interpretation of the events?
asked by zarra 
cjs240
Will someone please help me find a website to complete this assignment? Write a 200 to 300word response in which you explain the court process as it relates to juvenile offenders.
asked by sade c 
Earth Science
How energy flows through the Earth's system?
asked by John 
Physics
____2.An object is thrown vertically upward with a speed of 25 m/s. How much time passes before it comes back down at 15 m/s? (Air resistance is negligible.)
asked by Shan 
math
Find two answers the exact answer is between. 4*9
asked by kyn 
language art
sentences that are long show how toshorten sentence
asked by paullanguage aet 
calculus and physics
An explosion causes debris to rise vertically with an initial velocity of 75 ft/sec. a. In how many seconds does it attain maximum height? b. What is the maximum height? c. What is the speed of the debris as it reaches 12 ft on the way back to the ground?
asked by olivia 
precalc
how to graph y=5sin[3[2pi/6]]+2
asked by Deb 
math
i need help with this problem 2x+2y+3z=1 3x5y2z=21 7x+3y+5z=10
asked by rayne 
math
prime factorazation of 34
asked by lisa 
chemistry
How would you separate a mixture of equal amount of dibenalacetone a neutral compound and benzoic acid an acidic compound?
asked by Julius muson 
English
Would "the flight to cancun" be an anecdote or a memoir? Would "a day in Canada" be an anecdote or a memoir?
asked by Emily 
math
How long is the strip of wood shwan wants to buy
asked by jackie 
Math
if im given a scale of 1:200 can i start my graph at 100m
asked by Lexi Reid 
Physics
A crate with a mass of 50 kg has a coefficient of static friction with the floor of 0.8 and a coefficient of kinetic friction of 0.25. If it is pushed with a force of 425 N, how long will it take to move it across a 65 meter horizontal floor?
asked by Katie 
Chemistry
Which of the following compounds are soluble? Choose at least one answer. a. BaSO4 b. K2SO4 c. KBr d. NaOH e. Al(OH)3 I originally thought it was the last four, but it isn't, or it isn't only/all of them. Aren't all sulfates and potassium soluble? What are
asked by u 
algebra check please
help i am stuck : 8  5y = 12  9y i got: 812 5y = 1212  9y 20  5y = 9y 20 +20  5y  9y im so stuck idont understand this one can you please help me
asked by marko 
Math
A vendor sold 1/3 of his fish balls in the afternoon and 2/5 of the remainder in the evening. If he had 150 fish balls left, find the number of fish balls he had at first?
asked by Camille 
english
use words 915 in a creative story. can you please help me!! besiege ephemeral altruism carrion erotic amorphous opulent I KNOW WHAT THEY MEAN I JUST NEED HELP FIGURING OUT HOW TO USE THEM IN A STORY
asked by katie 
Math 7th grade
1) of the dolls in mo's doll collection, 1/5 have red hair. of these 3/4 have green eyes. what fraction of Mo's dolls collection have both red hair and green eyes? 2) ( Use measurement conversions) find 1/2 of 1/4 of a gallon. 3) Cheryl is organizing her
asked by catalina 
Science
Calculate the molarity of a solution formed using 55.4 g of AgNO3 in enough water to form 250 ml of solution.
asked by Megan 
Calculus
Find the value of c where the line l tangent to the graph of y=2.5*5^x at (0,2.5) intersects the xaxis
asked by Marlanea 
biology
science has limitation because?
asked by tameka 
calc
d/dx (4ln) (2x)sin2x using product rule
asked by ifrahissa 
algebra
Explain the process for finding the equation for a line of best fit from a data table and evaluate whether it is possible to have 2 correct answers.
asked by Tae 
algebra
3x^3+x^212x4=0
asked by Katie 
precalc graph
If it says to identify 5 critical points what would that be?
asked by Deb 
Math
Write an equation for a line of best fit for the data in the table below. Sandwich Total Fat Total Cals. Hamburger 9 260 Cheeseburger 13 320 Quarter Pounder 21 420 Quarter w/cheese 30 530
asked by Tae 
physics/math
If you are driving 116 km/h along a straight road and you look to the side for 3.0 s, how far do you travel during this inattentive period?
asked by kyle 
biology
what statement describes the 1st step of ecological community it is known as? A. reed plants attract dragonflies and mayflies. B. frogs and snakes arive after emergent plants are established. C.climax trees such as ash and beech appear and eventually
asked by tameka 
Statistics
Let X1,...,Xn be a sample from the N(0, sigma^2). 1) Find the method of moment estimator of sigma^2 2) Find the MLE estimator of sigma^2
asked by Nick 
math 7th grade
so is it okay if you explain to me why we multiply first and then divide???
asked by catalina 
Science
what happens when we apply force below the centre of mass of a cube ? Will it tip?
asked by suman 
genetics
In a village with 4300 people, 1 in 90 males has a condition called 5ARD that causes men to be pseudohermaphroditic. What is the frequency of autosomal recessive 5ARD allele in this village, assuming HardyWeinberg equilibrium?
asked by kat 
Algebra 2
Explain what the notation f(4)=100 means? We could also say that when x=___, y=___?
asked by Maria 
Chemistry
In the derivation of this expression: [ln]/[HIn]A# 2 * A#1,acid/A# 2,basic * A#1 We assumed that the HIn form of the indicator is the only form present in the most acidic solution. Is this a valid assumption? Why or why not? Support your answer by
asked by Cristian 
World History
In the question "Why the haitian revolution probably truer to itself than it's French or American counterparts?" Is it referring to how the Haitian revolution stayed truer to their cause in revolution because they gave everyone equal rights, while american
asked by Melissa 
psychology
Albert Ellis depicts the relationship between irrational belief and negative emotions through use of: A. A contingency contract B. dialectical theory C. The abc model D. Observational learning
asked by Sharon 
BreakEven Analysis
Given: Jay Letterman has just (year: 2012) become product manager for Avenir. Avenir is a consumer product with a unit retail price of $1.00. Retail margins on the product are 33%, while wholesalers take a 12% margin. Avenir and its direct competitors sell
asked by Andrea 
Social Studies
Whose marriage transferred large amounts of French lands to the English king and essentially made the King of England a vassal to the French King? (1 point) Richard I & Lady MacBeth Edward the Confessor & Diana of Wales William the Conqueror & Margorie of
asked by Paul 
Physics
1. On a spacecraft, two engines are turned on for 648 s at a moment when the velocity of the craft has x and y components of v0x = 4360 m/s and v0y = 6270 m/s. While the engines are ﬁring the craft undergoes a displacement that has components of x = 4.11
asked by Thomas 
precalculus
find the complex zeros of the polynomial function. write F in the factored form. f(X)=x^37x^2+20x24 use the complex zeros to write f in factored form. f(x)= (reduce fractions and simplify roots)
asked by ladybug 
PHYSICS
WHEN THE BAROMETRIC PRESSURE IS 14.9LBS\IN AND THE PRESSURE GAGE ON A TIRE READS 34.6LBS\IN WHAT IS THE ABSOLUTE PRESSURE INSIDE THE TIRE
asked by PATRICK 
Physics
Consider the position of a ball thrown down with an initial speed of 17 m/s.What will be its position after 2.6 s? Let the initial position be 0. The acceleration of gravity is 9.8 m/s 2 . Answer in units of m
asked by Diego 
math
my paper says to divide two fractions by 1/2 to find out which one is biger, I forgot exactly how to do that, could you remind me?
asked by Anonymous 
math
my paper says to divide two fractions by 1/2 to find out which one is biger, I forgot exactly how to do that, could you remind me?
asked by Anonymous 
math
Which property would allow you to use mental computation to simplify the problem 27 + 15 + 3 + 5? 1) commutative property of addition 2) distributive property 3) additive identity 4) additive inverse
asked by amber 
Comment on my question
PLEASE help me sorry its long!
asked by Unknown 
language arts
Would the sentence, "Sprinkle the colored sugar on top of the frosting." have 2 prepositional phrases....on top and of the frosting? Or would on top not be one? I know for sure of the frosting is one. Thanks...
asked by Brandi 
math
sorry i remembered the ? now you don't need to answer anymore.
asked by Anonymous 
precalculus
find a bound on the real zeros of the polynomial functions. f(x)=x^4+7x^3x2 every real zero of f lies between  ? and ?
asked by ladybug 
math
teemu's tshirts designs and manufactures tshirts for a $15 flat design rate and $7.50 for each tshirt.he wants to sell his tshirts to the senior class for their graduation party. he is going to charge them $10 for each tshirt. write a function,c,
asked by sahar 
world history
Can someone help me on this? or give me a link that explains it to me? I have no idea what these things are saying... Read the following five document excerpts, and then write one wellorganized paragraph summarizing the reasons many Americans felt pushed
asked by Cora 
math
teemu's tshirts designs and manufactures tshirts for a $15 flat design rate and $7.50 for each tshirt.he wants to sell his tshirts to the senior class for their graduation party. he is going to charge them $10 for each tshirt. a) write a function,c,
asked by sahar 
PHI 103
construct an argument that supports Mary's decision to steal the food or an argument that shows why Mary should not steal the food.
asked by sasha 
algebra
400 Learners attended High School of the future for 4 days this past week. If 7 students were caught violating the uniform policy, what percentage was the overall compliance for the entire week???
asked by Jasmn Theman 
History
William Shakespeare recorded early English History as a historian for the Tudor line True False
asked by Bobby 
math
Factor each expression (X+5)^3(2x+1)^3
asked by Melissa 
Calculus
determine the point(s)at which the graph of y^4 = y^2 x^2 has a horizontal tangent.
asked by Ashley 
math
Factor each expression (X+5)^3(2x+1)^3
asked by Melissa 
Math
Sorry guys but I cant seem to figure this out can you help me:) Billy has 7 pears and Sally has 4 pears . They have 11 pears all together Hannah takes 1 pear from Billy and 1 pear from Sally . How many pears do they have all together now?
asked by Mr. Gibbens 
language arts
Hi..need help determining whether the verb in this sentence is transitive for intransitive. "We arrived late for the movie." Thanks..
asked by Brandi 
Math
The zoo needs 1436 pounds of hay each week to feed the animals. Hay costs $2.00 per pound. About how much does the zoo spend on hay each week? What am I supposed to do?
asked by Callie 
government
set of land boundaries of a state?
asked by jenna 
old forge math
write an inequality to show the following. 4.90 was spent. there is still over 60$
asked by elijah