Questions Asked on
October 24, 2011

math
determine the value of k such that g(x)=3x+k intersects the quadratic function f(x)=2x^25x+3 at exactly one point determine the value(s) of k such that the linear function g(x)=4x+k does not intersect the parabola f(x)=3x^2x+4
asked by Melissa 
Math
The numerator of a fraction is two less than its denominator. When both numerator and denominator are increased by 3, the fraction is incre ased by 3/20. Find the original fraction. Pls include solution and workings thx :)
asked by Ghiffari 
physics
a small bead can slide without friction on a circular hoop that is in a vertical plane and has a radius of 0.100 m. The hoop rotates at a constant rate of 3.00 rev/s about a vertical diameter. Find the angle beta at which the bead is in vertical
asked by bob 
English Check
Online Vs Traditional Dating Thesis : Technology has brought many innovations in human life and one of the greatest is online dating. However, just like Traditional dating, online involves a lot heartbreaks too and both are harmful if done recklessly. In
asked by HM 
Calculus
The point A(3, 5) is one the terminal arm of an angle feta. Determine the exact expressions for the primary trigonmetric ratios for the angle. Would that be 225 degrees. 2V2?
asked by Untamed 
Chemistry
In the CO3^2 ion, all three CO bonds have identical bond lengths of 136 pm. Why?
asked by Joe Schmo 
Math
For what values of k will the functon f(x)=kx^24x+k have no zeros Determine the values of k for which the function f(x)=4x^23x+2kx+1 have 2 zeros
asked by Farrah 
CHEMISTRY PLEASE HELP
a) How will the concentration of NaOH be affected if during the titration some of the solid potassium hydrogen phthalate was spilled during the transfer? Will the concentration of the standardized NaOH increase, decrease, or have no effect? b) How will the
asked by Josh 
physics
An earthquake generates three kinds of waves: surface waves (L waves), which are the slowest and weakest; shear (S) waves, which are transverse waves and carry most of the energy; and pressure (P) waves, which are longitudinal waves and travel the fastest.
asked by maria 
physics
Three blocks of masses M1=26kg,M2=38kg and M3=41kg are connected by 2 strings over 2 pulleys.Friction is negligible. 1. Determine the magnitude of acceleration and 2. the magnitude of the tension in each of two strings
asked by rajesh 
Calculus
A rectangle has a diagonal of 8cm. The diagonal creates a 60 degrees angle at the base of the rectangle. Write an exact expression for the base and the height of the rectangle. ^^ Don't get how to do that, Ive only drawn a triangular diagram, and im
asked by Untamed 
Word Problem
A developer wants to enclose a rectangular grassy lot that borders a city street for parking. If the developer has 212 feet of fencing and does not fence the side along the street, what is the largest area that can be enclosed?
asked by Jessica 
Physics
A block is pushed across a horizontal surface with a coefficient of kinetic friction of 0.15 by applying a 150 N horizontal force. If the block accelerates at the rate of 2.53 m/s2 (squared), what is the mass of the block?
asked by Chris 
organic chemistry
An ether and an alkene are formed as byproducts in this reaction. Draw the structure of these byproducts and give mechanism for their formation.
asked by Ivy 
Psychology
1. Samantha is suffering from fatigue and sometimes cannot make herself get out of bed in the morning. She feels that the world is a sad, unhappy place and would like to be relieved of her existence. Dr. Powell and Samantha examine her feelings very
asked by John 
Physics
Each tire on a car has a radius of 0.330 m and is rotating with an angular speed of 19.5 revolutions/s. Find the linear speed v of the car, assuming that the tires are not slipping against the ground.
asked by Jasmin 
English Essay
I am supposed to write a comparison essay for English. Related to Online Vs Traditional Dating. Could you help me make a strong thesis? Technology has brought many innovations in human life and one of the greatest for many is online dating. However just
asked by HM 
math
how long will it take $5000 to grow to$8000 if it is invested at 5% compounded quarterly?
asked by kerry 
physics
1. A boy drags a wooden crate with a mass of 20 kg, a distance of 12 m, across a rough level floor at a constant speed of 1.50 m/s by pulling on the rope tied to the crate with a force of 50 N. The rope makes an angle of 25¡ã with the horizontal. a.What
asked by annie 
organic chemistry
Why does the alkyl halide layer switch from the top layer to the bottom layer at the point where water is used to extract the organic layer?
asked by Ivy 
Ratios
Write this ratio as a fraction in lowest terms. (3 cups to 3 pints) Since 2 cups are equal to 1 pint, I conclude that there are 3 and a half cups.
asked by Alex L. 
English
1. If you are a bird, be an early bird And catch the worm for your breakfast plate. 2. If you're an early bird, you will catch the worm for your breakfast plate. (Does #1 mean #2 in meaning? a litle different?) 3. Be strong, and be healthy. 4. If you are
asked by rfvv 
CHEMISTRY PLEASE HELP
Using the data collected for part b on your data sheet, calculate the molar mass of the unknown acid. Include the calculation for each trial and the average. Trial One Results: Mass unknown acid: 0.500g Final buret reading: 18.01mL Initial buret reading:
asked by Josh 
Decimal word problem
Nadia's diet can says she can eat 3.5 ounces of chicken nuggets. The package weighs 10.5 ounces and contains 15 chicken nuggets. How many nuggets can Nadia eat? I've tried this question out, and I divided 10.5 by 3.5? Is that correct?
asked by Alex L. 
statistics
The weather forecaster reports that the probability of rain tomorrow is 10%, Which approach was used to arrive at this number?
asked by Anonymous 
chemistry
What volume of a 6.0 M NaOH solution would you need to prepare 250.0 milliliters of a 3.0 M NaOH solution?
asked by Brittaney 
Chemistry
The mass of a sample of a liquid compound was found to be 0.534 g after the compound was vaporized in a containter placed in a boiling water bath at 100°C at 748 torr. The volume of the container was 286mL. Calculate the molecular mass of the compound.
asked by Anonymous 
statistic
In order to attract customers, an ice cream company has started a STAR game. Any person who collects four stars gets a free family size bucket of ice cream. Suppose that the probability of an ice cream pack contains a star is 0.3 (an ice cream pack cannot
asked by anrt 
Precalc
What is the upper and lower bound of sin x+2
asked by Max 
Physics
Jane, looking for Tarzan, is running at top speed (6.2 m/s) and grabs a vine hanging vertically from a tall tree in the jungle. How high can she swing upward?
asked by Brooke 
Physics
A student, crazed by final exams, uses a force of magnitude 86 N and angle θ = 61° to push a 5.2 kg block across the ceiling of his room, as in Figure 652. If the coefficient of kinetic friction between the block and the ceiling is 0.34, what is the
asked by Ted 
Calculus
A ladder 8 meters long is leaning against a wall. If the top of the ladder is slipping down at the rate of 8 meters per second, how fast is the bottom moving away from the wall when it is 7 meters from the wall? Please give your answer in , enter it
asked by TraiShaun 
science
Aside from temperature change what is another but less major reason why sea levels might rise due to climate change?
asked by jillian 
calculus
f(x) = ln x, [1, 6] If it satisfies the hypotheses, find all numbers c that satisfy the conclusion of the Mean Value Theorem. (Enter your answers as a commaseparated list. If it does not satisfy the hypotheses, enter DNE).
asked by John 
math
What is the ratio formed between two parallelograms one is 2 inches by 6 inches and the other is 6 inches by 18 inches?
asked by jenna 
algebra,math
Use the Pythagorean Theorem to find the missing side of the triangle. Round to the nearest tenth, if necessary. a = ?, b = 5, c = 8 A. 6.0 B. 6.1 C. 6.2 D. 6.3
asked by tracy 
CALCULUS
At noon, ship A is 40 nautical miles due west of ship B. Ship A is sailing west at 23 knots and ship B is sailing north at 19 knots. How fast (in knots) is the distance between the ships changing at 5 PM? (Note: 1 knot is a speed of 1 nautical mile per
asked by CRYSTAL 
physics help please
A long jumper leaves the ground at an angle of 25.2 to the horizontal and at a speed of 11.2 m/s. How far does he jump? The acceleration due to gravity is 9.8 m/s2 . Answer in units of m What maximum height does he reach?
asked by anon 
persoanal finances
What are the three steps of critical thinking? What do they include? How might mastery of these skills make you a more effective college student and adult learner?
asked by Anonymous 
Science
In the reaction X+Y (R) Z, Z is the A)Substrate B)Product C)Enzyme D)Carbon Molecule
asked by Jon 
geometry
find the volume of the right prism whose base is a right triangle with legs 3 ft and 4 ft and with a height (altitude) of theprism being 8 ft
asked by clarence 
mATH
pi x 3.41 x 1,3019234 divided by 12347 x 8 + 12  1804351 x 235135425 squaredx 10 to the fifth power + 1 12438723562956918723847.
asked by Tahmid 
Psychology
1. Often called the "father of modern psychology." William Wundt painstakingly examined the small pieces of behavior. He was not interested in personality mental disorders. He did study the cognitive elements of: a. thinking, perception, and consciousness
asked by John 
Chemistry
I really don't get pH curves. I have to sketch a pH curve for the titration of 40.00 mL of 0.100 M hydrazine, H2NNH2(aq) having a Kb of 3.0x10^6 by 0.100M HCIO4(aq). I know you can't sketch on here. But can you help me find the first point? I know its a
asked by Anonymous 
psychology
1. psychologists who believe in _____ are most likely to attempt to understand diversity in ethnic background as an influence on behavior: a. individual differences b. free will c. determinism d. universal principles is it "A" 2. Dr. Hall believes that
asked by John 
Chemistry
1. Regarding solutions and solids, which statement is true? A. If the solvent is water, the crystal lattice energy of a solid is absorbed. B. Hydration energy is related to the attractions between solute particles. (My Answer) C. If the solvent is water,
asked by Anonymous 
Physics
A)Two identical resistors are connected in parallel across a 30V battery, which supplies them with a total power of 7.0 W. While the battery is still connected, one of the resistors is heated so that its resistance doubles. The resistance of the other
asked by Kristi 
stat
The life (in hours) of a computer processing unit (CPU) is modeled as a weibull random variable with β=3 and α=901 hours. What is the probability that the CPU fails before 458 hours?
asked by eliseo 
CHEMISTRY PLEASE HELP
Using the data collected for part c on your data sheet and assuming the density of the vinegar is 1.00g/mL, 1) calculate the molar concentration of acetic acid (CH3COOH) in the vinegar sample using the average volume of NaOH. 2) calculate the mass percent
asked by Josh 
Calculus
In triangle PQR, angle P is 20 degres, angle R is 150 degrees, and QR is 6, the length of PQ is...?
asked by Untamed 
Grammar
Is this a complex sentence? In most countries, people call the game of soccer football.
asked by Kam 
English
Thoreau included the following sentence in Walden: "There is some of the same fitness in a man's building his own house that there is in a bird's building its own nest." Which of the following statements rephrases his literal comparison as a metaphor? A. A
asked by LaH 
pre calc
What is the vertical and horizontal asymptotes of .. 3x _________ x^23x10
asked by Max 
statistics
government data assign a single case or each death that occurs in the u.s. the data show that the probability is 0.45 that a randomly chosen death was due to cardiovascular disease, and 0.22 that i was due to cancer. Suppose a docote checked the cause of
asked by josh 
Chemistry(Please help, thank you!)
For a chemistry lab the experiment was to carry out an acidbase titration to determine the exact concentration of a sodium hydroxide solution. Two trials were completed and the data collected was: mass of weighing paper, mass of weighing paper + KHP, mass
asked by Hannah 
Biology
Locate a diagram of an organism with the main organs and structures labeled. Locate a diagram of an organism with the main organs and structures labeled. Briefly explain how the organism in the diagram has evolved physiologically to become suited to its
asked by Max 
Stats
Classify the following as discrete or continuous random variables. (A) The time it takes to run a marathon (B) The number of fractions between 1 and 2 (C) A pair of dice is rolled, and the sum to appear on the dice is recorded (D) The length of a broad
asked by Jennifer 
Stats
In testing a new drug, researchers found that 10% of all patients using it will have a mild side effect. A random sample of 14 patients using the drug is selected. Find the probability that: (A) exactly two will have this mild side effect (B) at least
asked by Jennifer 
math
A company manufactures calulatoirs in batches of 64 and ther is a 5% rate of defects. Find the standard deviation for the number of defects per batch
asked by Tami 
algebra
Joel has 2 gallons of water. He drinks gallon per day. How long will the water last? Express your answer in simplest form.
asked by Anonymous 
tenth grade science
What can you conclude about the effect of the thermal expansion of water on sea level?
asked by margaret 
physics
An earthquake generates three kinds of waves: surface waves (L waves), which are the slowest and weakest; shear (S) waves, which are transverse waves and carry most of the energy; and pressure (P) waves, which are longitudinal waves and travel the fastest.
asked by maria 
physics
An earthquake generates three kinds of waves: surface waves (L waves), which are the slowest and weakest; shear (S) waves, which are transverse waves and carry most of the energy; and pressure (P) waves, which are longitudinal waves and travel the fastest.
asked by fiko 
science
Listed below are six mixtures. Identify physical properties of the components that allow you to separate them. Then, explain the method you would use to separate the components. Mixture 1: Salt dissolved in water Physical Properties: Density Method of
asked by Hope 
MATH
Marth's mother is 5 times as old as Marta Marth'smother is 25 years old 1. How old is Matra? 2.In 5 years Marta's mother will be 3 times as old as Marta.How old will Marta be then?
asked by maryam 
Statistics
Consider a population with µ=73.6 and 0 = 5.38 (A) Calculate the zscore for x =72.7 from a sample of size 45. (B) Could this zscore be used in calculating probabilities using Table 3 in Appendix B of the text? Why or why not?
asked by jane 
Shelly
I really don't get pH curves. I have to sketch a pH curve for the titration of 40.00 mL of 0.100 M hydrazine, H2NNH2(aq) having a Kb of 3.0x10^6 by 0.100M HCIO4(aq). I know you can't sketch on here. But can you help me find the first point? I know its a
asked by Anonymous 
physics
An earthquake generates three kinds of waves: surface waves (L waves), which are the slowest and weakest; shear (S) waves, which are transverse waves and carry most of the energy; and pressure (P) waves, which are longitudinal waves and travel the fastest.
asked by maria 
Chemistry 12
I really don't get pH curves. I have to sketch a pH curve for the titration of 40.00 mL of 0.100 M hydrazine, H2NNH2(aq) having a Kb of 3.0x10^6 by 0.100M HCIO4(aq). I know you can't sketch on here. But can you help me find the first point? I know its a
asked by Anonymous 
physics
A sinusoidal wave on a string is described by the equation y = (0.169 m) sin (0.713 x  41.9 t), where x and y are in meters and t is in seconds. If the linear mass density of the string is 10.1 g/m ... a) ... the phase of the wave at x = 2.27 cm and t =
asked by maria 
Interview question  Why do you want to work here?
I want to be able to expand my horizons and gain experience that I hope will be able to help me later in my professional career. I enjoy bringing people happiness through satisfaction. This is not only a fine opportunity, but this company is a place where
asked by Anonymous 
physics
Mr and Mrs Gold are carrying a 58 kg gold shipment on a 4 m long 13 kg board as shown. Find the force in newtons exerted by each to carry the shipment.
asked by Anonymous 
EssayCHECK
Online Vs Traditional Dating Innovations and technology has brought about many changes in day to day human life. More recently, and with the advent of the internet, communication amongst people from all over the world has drastically increased to levels
asked by HM 
physics
In a roller coaster ride cars and passengers slide down an incline of 36 degrees to horizontal if the friction is negligible find magnitude of acceleration
asked by rajesh 
Physics
A golfer is enjoying a day out on the links. What maximum height will a 345m drive reach if it is launched at an angle of 21 degrees to the ground? the acceleration due to gravity is 9.81m/s^2
asked by Truong 
calculus
using the intermediate value theorum, prove that arctanx = arccosx has a solution. i've gotten that the domain of arctanx is pi/2 to pi/2 but i'm not sure where to go from here...can i move the arccosx to the left? when i do that, i can't figure f(pi/2)
asked by terra 
statistics
The profit for a new product is given by Z = 2X  2Y  7. We know that X and Y are independent random variables with Var(X) = 2 and Var(Y) = 2.7. What is the variance of Z?
asked by Dani 
Decimal problem #2
The glass mirror of the Hubble telescope had to be repaired in space because it would not focus properly. The problem was that the mirror's outer edge had a thickness of 0.6248 cm when it was supposed to be 0.625 cm. Was the edge too thick or thin? By how
asked by Alex L. 
physics
A rock climber climbs a 15 m vertical rock wall while wearing a 5.3 kg backpack. How much work does the climber do on the backpack?
asked by Anonymous 
math
What is the LCM AND GCF OF 369 AND 3075
asked by Donald 
algebra,math
Solve the equation. 4 times the square root of x minus 5 minus 8 = 12
asked by tracy 
Math
you buy 3 books that each cost the same amount and a magazine all for 59.99.You know that the magazine costs 1.99. How much does each book cost?
asked by rana sh 
Physics
A mortar shell is launched with a velocity of 100m/s at an angle of 30 degree above the horizontal from a point on a cliff 50m above a level plain below. How far from the base of the cliff does the mortar shell strike the ground?
asked by Mark 
physics
Hayes fires a projectile from his air gun. The gun provides a constant 300 N of force on a 0.1 kg projectile as it travels through the 0.3 meter barrel. How fast is it going when it leaves? It starts from rest and there is no friction.
asked by JJ 
math
if my ones digit is 5 more then the tens digit, i am greater than 25 and less than 35. what number am i?
asked by Anonymous 
Trick or Treat
Little Billy was out trick or treating on Halloween. He had gotten a lot of candy and was peering into his bag, when out from behind a tree came Freddy Krueger. Freddy reached into Billy's bag and took half of his candy plus one piece. Within a few steps,
asked by Linda 
Physics
Sam, whose mass is 72.0 kg, takes off down a 51.0 m high, 11.0^\circ slope on his jetpowered skis. The skis have a thrust of 180 N. Sam's speed at the bottom is 43.0 {\rm m/s}. What is the coefficient of kinetic friction of his skis on snow?
asked by Ali 
MATH
subtracting fractions::: 8 1  10  2 5  6 my answer: 5 4  15
asked by Baily 
latin
what latin word is the phrase strong distaste derived rom
asked by adrian 
Chemistry
How much by mass of Urea (NH2)2CO is required for a 32.5% solution in one litre of water.
asked by Bill 
Physics
A 120 kg car is travelling at a velocity of 20m/s East when its brakes are locked. Assuming a force of friction of 2500 N, what is the velocity of the car after 0.50s.
asked by ary 
Biology, Art
I was doing some research for a wildlife art contest in January and I can't seem to find a specific bit of information that is crucial to my painting. The contest requires me to paint a Greater Short Horned Lizard (Phrynosoma hernandesi) and I know that
asked by Harley 
general science
A Graph Shows Distance On The Vertical Axis And Time On The Horizontal Axis. If The Speed Is Steadily Increasing, What Will The Line Representing Speed Look Like On The Graph?
asked by Anonymous 
physics
A quarterback throws the football to a stationary receiver who is 16 m down the ﬁeld.The football is thrown at an initial angle of38.5◦to the ground.The acceleration of gravity is 9.81 m/s2.a) At what initial speed must the quarterback throw the ball
asked by carol 
Algebra
1a. What would it cost for ingredients , per cookie, to make 100 cookies? C=100/4x28 is the equation given to find the cost.
asked by Anonymous 
Social Studies (ATHENS VS SPARTA)
How did the growth of the Athenian power lead to war?
asked by ZUICK 
physics
we know that the speed of light in a vacuum is 3.0 x 10^8 m/s (18,000 mi/sec). If light travels through thick plastic with a speed of 1.75 x 10^8 m/s, what is the index of refraction through plastic?
asked by Jenna 
MATH
HOw to do this 5 is what percent of 15? in a proportiono
asked by FITTY 
Geo
If NM=x1 and AB=3x7, then AB=?
asked by Cade 
organic chemistry
what are the formulas of the salts that may precipitate when the reaction mxture is cooled?
asked by Ivy 
Physics
In Denver, children bring their old jackolanterns to the top of a tower and compete for accuracy in hitting a target on the ground. Suppose that the tower height is h = 9.80 m, and that the bullseye is a horizontal distance of d = 3.2 m from the launch
asked by Dylan 
calculus
How do you find the ariea between these curves? y=4x^2 y=7x^2 4x+y=3 x>=0?
asked by johnathon 
science
how to make the musical instruments in the classroom
asked by mayada 
Physics
A crow is flying horizontally with a constant speed of 2.50 m/s when it releases a clam from its beak. The clam lands on the rocky beach 2.20 s later. Consider the moment just before the clam lands. (Neglect air resistance.) A) What is its horizontal
asked by Dylan 
math
Every week Bradley doubles his card collection. He started with 2 cards. How many cards will Bradley have after 6 weeks?
asked by Lee 
MATH(please check)
A newspaper has 80 pages. If 20 of the 80 pages are devoted to advertising. What percent of the newspaper consists of advertising? How do u start this?
asked by FITTY 
Accounting
Could someone please look this over and tell me if I have this correct? I am not confident in the Trial Balance. May 1 Cash 101 25,000 Common Stock 311 25,000 3 Supplies 126 2,500 Accounts Payable 201 2,500 7 Rent Expense 729 900 Cash 101 900 11 Accounts
asked by Student of Accounting 
algebra,math
What is the axis of symmetry for the function? y = x^2 + 3x  4
asked by tracy 
Physics
A 862kg car starts from rest on a horizontal roadway and accelerates eastward for 5.00 s when it reaches a speed of 30.0 m/s. What is the average force exerted on the car during this time?
asked by Anonymous 
organic chemistry
Aqueous sodium bicabonate used to wash the crude nbutyl bromide. a) What was the purpose of this wash? Give equation. b)Why would it be undesirable to waash the crude halide with aqueous sodium hydroxide?
asked by Ivy 
algebra
Which coefficient in the function tells us that the parabola for the function will point downward? y = 2x^2 + 5x  4
asked by tracy 
Calculus
Determine two angels between 0 degrees and 360 degrees that have a sine ratio of 1/2. Would that be 30 and 330?
asked by Untamed 
math
THE NUMBER OF MILES SARAH WALKED ON A DAILY BASIS IS 2.5 MILES. THREE MONTHS LATER,SARAH IS WALKING 6 MILES EACH DAY. WHAT IS THE PERCENT INCREASE
asked by katerrian 
CALCULUS help please
The radius of a right circular cylinder is given by t + 9 and its height is (1/9)*(t^0.5) where t is time in seconds and the dimensions are in inches. Find the rate of change of the volume with respect to time. units = in^3/s
asked by Karishma 
algebra
What is the axis of symmetry for the function? y = x^2 + 3x  4 A. y = 2 B. y = 1.5 C. x = 2 D. x = 1.5
asked by tracy 
Repost Algebra
What would it cost for ingredients , per cookie, to make 100 cookies? C=100/4x28 is the equation given to find the cost. (Cost is equal to 100 over 4x minus 28)
asked by Shannon 
Chemistry
In a certain experiment, when light of wavelength 570 nm is directed on to the photocell, electrons are emitted at the rate of 6.6 1013 Coulombs/sec. Assume that each photon that impinges on the photocell emits one electron. How many photons per second
asked by Brandon 
physics please helpp
A sinusoidal wave on a string is described by the equation y = (0.169 m) sin (0.713 x  41.9 t), where x and y are in meters and t is in seconds. If the linear mass density of the string is 10.1 g/m ... a) ... the phase of the wave at x = 2.27 cm and t =
asked by maria 
organic chemistry
Why must the alkyl halide product be dried carefully with anhydrous calcium chloride before the distillation?
asked by Ivy 
physics
A 16m long ladder is mounted on a fire truck. The ladder itself has mass 130kg , and at the top is a 32kg basket holding a 83kg firefighter. If the ladder makes a 60 degrees angle with the horizontal, what's the magnitude of the net torque about the
asked by Aleena 
Physics
A 3.01 kg block slides down a frictionless plane inclined 18.6° to the horizontal. If the length of the plane's surface is 1.47 m, how much work is done, and by what force?
asked by Yuki 
geometry
given line segment PQ , PQ=3QR, and QR= 1/3 RS Prove: line segment PQ is congruent to line segment RS
asked by Emily 
Physics
You're driving your pickup truck around a curve with a radius of 22meters. A box in the back of the truck is pressed up against the wall of the truck. How fast must you drive so that the force of the wall on the box equals the weight of the box?
asked by Noe Valencia 
AP GLOBAL
Explain the basic features of Dravidian and Aryan religious structures which became the basis of Hinduism. I jest need some more to add on to what I already have. Thanks. Dravidian (Harappan) religion had strong beliefs about fertility. Harappan worshipped
asked by MR. BILL 
Mathematics
There are 2 white marbles in urn A and 4 red marbles in urn B . At each step of the process a marble is selected from each urn and the 2 marbles are interchanged.What is the probability that there 2 red marbles in in urn A after three steps....please give
asked by Subhadip 
physics
A transport plane takes off from a level landing field with two gliders in tow, one behind the other. The mass of each glider is 700 , and the total resistance (air drag plus friction with the runway) on each may be assumed constant and equal to 2600 . The
asked by erl 
algebra
The vertex of y = 9  8x  x^2 is (4, 25) True False
asked by tracy 
algebra
What is the equation for the axis of symmetry in the function? y = 2x^2 + 5x  4
asked by tracy 
MATH
LAST YEAR, A TICKET TO A MOVIE COST $7.50. THIS YEAR, THE PRICE INCREASED TO $9.00. BY WHAT PERECT IS THE PRICE INCREASE
asked by katerrian 
physics
A transport plane takes off from a level landing field with two gliders in tow, one behind the other. The mass of each glider is 700n , and the total resistance (air drag plus friction with the runway) on each may be assumed constant and equal to 2600n .
asked by erl 
Chemistry
What caroxylic acid and alcohol is needed to produce isopentyl propionate?
asked by Jessica 
Calculus
Fine the measure of feta, to nearest degree, where 0 degrees is less or equal to feta, and feta is less or equal to 360 degrees. tan feta + 5 = 0, I tried working this out and I got 78.6:\
asked by Untamed 
c++ program
how can a modfiy this source code to a menu. #include #include #include main() { char cYesNo = '\0'; int iResp1 = 0; int iResp2 = 0; int iResp3 = 0; int iElaspedTime = 0; int iCurrentTime = 0; int iRandomNum = 0; int i1 = 0; int i2 = 0; int i3 = 0; int
asked by kasey 
health
what are bridge maps and tree maps
asked by aracely 
chemistry
given: V1=410 ml, T1=27 degrees celsius, P1= 740mm. what is the V2 in ml at STP?
asked by Addie Mae 
Calculus
Determine the measure of A if 0 degrees is less or equal to angle A and if angle A is less or equal to 360 degrees. Tan A = 0 Answer is somehow supposed to be 0 degrees, 180 degrees, and 360 degrees, but don't know how to get the answer, just really
asked by Untamed 
CJS/240
Complete the Uniform Crime Report (UCR) and SelfReport Data Matrix in Appendix B. Complete the matrix, by listing two pros and two cons on the use of UCR data and two pros and two cons on the use of selfreport data. Locate two web resources—one
asked by Heather 
math
john had 15 dollars more than half of what jack had. john had 86 dollars. how much did jack have?
asked by jake 
Physics
If it takes 470 J of work to stretch a spring 7.4 cm, what is the spring constant?
asked by Yuki 
Finance
Niles is making an investment with an expected return of 12 percent. If the standard deviation of the return is 4.5 percent, and if Niles is investing $100,000, then what dollar amount is Niles 90 percent sure that he will have at the end of the year? A)
asked by James 
ap world history
3.Differentiate between the Paleolithic and Neolithic eras. 4. Describe the agricultural transition. 5. Give examples that illustrate the difference between independent origin and cultural diffusion. IM STUCK ON THESE I DID ALL THE REST!!! HELP ASAP????!
asked by tj 
Physics
A ballistic pendulum consists of an arm of mass M and length L = 0.52 m. One end of the arm is pivoted so that the arm rotates freely in a vertical plane. Initially, the arm is motionless and hangs vertically from the pivot point. A projectile of the same
asked by mymi 
PHYSICS
A block of mass m = 3.20kg slides from rest a distance d down a frictionless incline at angle θ = 30.0° where it runs into a spring of spring constant 425 N/m. When the block momentarily stops, it has compressed the spring by 22.0 cm. (a) What is the
asked by Anonymous 
accounting
Company reports net income of $ 530,000 for the year ended December 31, 2009. It also reports $ 95,400 depreciation expense and a $ 4,000 gain on the sale of machinery. Its comparative balance sheets reveal a $ 42,400 increase in accounts receivable,
asked by Renee 
Science
If someone could check my answer: Dynamic lows are accentuated due to the fact that they rotate in the same direction as the Earth's surface (Cyclonic flow). This is calledCORIOLIS EFFECT....Thanks
asked by Sue 
Calculus
Find the exact values of the following. cos 270 degrees = 90 degrees, value = 0. Sin 180 degrees = 18090 = 90 = 1, but its supposed to be zero, don't know how to get that:\ Confused with tan 240 degrees as well.
asked by Untamed 
Physics
A machine part is made from a uniform solid disk of radius R and mass M. A hole of radius R/2 is drilled into the disk, with the center of the hole at a distance R/2 from the center of the disk (the diameter of the hole spans from the center of the disk to
asked by mymi 
alg 2
X4z=13 5x4y+z=7 5x5y+2z=22
asked by boss 
calculus
a splenical ballon is being inflated @ 10 cubic inches per secound. how fast is the radius of the ballon increasing when the surface area of the ballon is 2 pi square inches( answer to 4 decimal places)?
asked by john 
calculus
Show that tan^3(x)8(tan^2(x))+17(tan(x)08 = 0 has a root in [0.5, 0.6]. Apply the Bisection Method twice to find an interval of length 0.025 containing this root. I have NO idea where to go with that equals 0 part...I could figure it without it but that
asked by terra 
geometry
a piece of rectangular sheet metal is 20 in. wide. It is made into a rain gutter by turning up the edges to form parallel sides. Let x represent the length of each of the parallel side. (a)give the restrictions on x (b)determine a !@#$%^&tion A that gives
asked by Anonymous 
algebra,math
The parabola for the function will point in which direction? y = x^2 + 3x  4 A. Upward B. Downward
asked by tracy 
calculus
a ball is thrown upward at 96 feet per second from the top of a 100 foot building. 1.when will the ball obtain maximum height 2. when will the ball hit the ground?
asked by chris 
calculus
an open topped cylingrical pot is to have a volume of 125 cm^3. determine the minimal possible amount of material used in making this pot.( neglect the thickness of the material as well as possible waste)
asked by mike 
Physics
A CD has a mass of 15.0 g, an inner diameter of 1.5 cm, and an outer diameter of 11.9 cm. Suppose you toss it, causing it to spin at a rate of 4.5 revolutions per second. (a) Determine the moment of inertia of the CD, approximating its density as uniform.
asked by mymi 
MATH
GRAIG CHANGED JOBS FROM ONE PAYING $8 PER HOUR TO ONE PAYING 11.75 PER HOUR. WHICH IS THE BEST ESTIMATE OF THE PERCENT INCREASE IN HIS SALARY
asked by katerrian 
Physics
A 1kg thin hoop with a 50cm radius rolls down a 47° slope without slipping. If the hoop starts from rest at the top of the slope, what is its translational velocity after it rolls 16 m along the slope?
asked by mymi 
Holidays
Can u give me some very good websites for making homemade presents for teenage girls (for christmas). Please. Like i want very cool gifts only homemade because me and my friends don't really buy anything for each we like making each other homemade gifts.
asked by Laruen 
calculus
If y = f(x) = x^(p/q) then y^p = x^p show through implicit differentiation that d/dx[x^(p/q)] = (p/q)x^[p/q] Not sure how to tackle this problem.
asked by Daniel 
Calculus
P (V3/2, 1/2 and Q(1/2, V3/2 are two points on the unit circle. If an object rotates counterclockwise from point P to point Q, what angle has it rotated? 180 + 60 = 330 P 60 Q I got like 300, but its supposed to be 210 degrees:\
asked by Untamed 
physics
A winch is used to frag a 375 N crate up a ramp at a constant speed of 0.75 m/s by means of a rope that pulls parallel to surface of the ramp. The rope slopes at 33 deg. above the horizontal, and the coefficient of kinetic friction between the ramp and the
asked by juniper 
english
1. x comes after what letter? 2. h comes before what letter?
asked by Mela 
instrument
HOW TO MAKE THE MUSICAL INSTRUMANT IN THE CLASSROOM
asked by mayada 
Art
My teacher asked me to do writting about expression in art? IM STUCK
asked by ubaidullah 
physics
While exploring a cave, a spelunker starts at the entrance and moves the following distances: 75.0 m north, 225 m east, 160 m at an angle 30.0° north of east, and 150 m south. Find the resultant displacement from the cave entrance.
asked by marissa 
physics
A sinusoidal wave on a string is described by the equation y = (0.169 m) sin (0.713 x  41.9 t), where x and y are in meters and t is in seconds. If the linear mass density of the string is 10.1 g/m ... a) ... the phase of the wave at x = 2.27 cm and t =
asked by maria 
Chemistry
How many moles of H2 will be produced if 0.500g of Mg is reacted with 10.00mL of 2.0M HCl? Also, provide a balanced equation.
asked by Kay 
algerbra
how do u factor 25a^2  30a + 9
asked by Anonymous 
statistic
Wendy is a randomly chosen member of a large female population, in which 13% are pregnant. Wendy tests positive in a pregnancy test. Pregnancy test correctly identifies pregnancy 91% of the time and correctly identifies non pregnancy 95% of the time. What
asked by mark 
statistic
A survey was made of 100 customers in a department store. 70 of the customers indicated they visited the store because of a newspaper advertisement. The remainder had not seen the ad. A total of 40 customers made purchases; of these customers, 30 had seen
asked by mark 
Math
how do you solve 2x^2+x^3=96?
asked by Hina 
Physics
You are 1.9 m tall and stand 3.3 m from a plane mirror that extends vertically upward from the floor. On the floor 1.6 m in front of the mirror is a small table, 0.75 m high. What is the minimum height the mirror must have for you to be able to see the top
asked by nikki 
physics
The rear window in a car is approximately a rectangle, 1.1 m wide and 0.30 m high. The inside rearview mirror is 0.45 m from the driver's eyes, and 1.45m from the rear window. Part A What is the minimum length for the rearview mirror if the driver is to be
asked by nikki 
mgt
help explain how organizational design like geographical, functional, customerbased, product, service, hybird, matrix, marketing channel helps determine which structure best suits target stores organizations needs.
asked by at 
Chemistry please help :)
A 1.10 sample of dry ice is added to a 745 mL flask containing nitrogen gas at a temperature of 25.0 degrees C and a pressure of 735 mm Hg . The dry ice is allowed to sublime (convert from solid to gas) and the mixture is allowed to return to 25.0 degrees
asked by Jackie 
Chemistry
What caroxylic acid and alcohol is needed to produce isopentyl propionate?
asked by Jessica 
Grammar
Which best describes this sentence? Since many countries have football teams, there is much competition leading to the World Cup. Compound, complex, simple or comma splice.
asked by Kam 
Chemistry
a.) Assume that you had 100 nuts (N) and 75 bolts (B). How many NB molecules could you make by screwing one nut onto each bolt? b.) How many N2B molecules could you make by screwing two nuts onto each bolt?
asked by Kay 
eng 125
identify key qualities of drama and poetry which emphasize their performative qualities. Discuss how these characteristics shape your reading response.
asked by Xan 
Chemistry
What carboxylic acid and alcohol is needed to produce propyl acetate?
asked by Jessica 
Math Garde 3
How can adding doubles help you to multiply by 2 ? give an example in your explanation
asked by Hong 
Chemistry
What carboxylic acid and alcohol is needed to produce isobutyl propionate?
asked by Jessica 
math
Mary and four of her friends earn a total of $152 doing odd jobs this weekend. The girls decide to treat themselves to lunch, and then donate the remainder of the money to a disaster relief fund. Write and solve an algebraic equation to determine the total
asked by taylor 
Physics
During a picnic, you and two of your friends decide to have a threeway tugofwar, with three ropes in the middle tied into a knot. Roberta pulls to the west with 412 N of force; Michael pulls to the south with 580 N. In what direction and with what
asked by mymi 
Physics
When only the front wheels of an automobile are on a platform scale, the scale balances at 7.9 kN; when only the rear wheels are on the scale, it balances at 6.2 kN. What is the weight of the automobile? How far is its center of mass behind the front axle?
asked by mymi 
history ( is this considered a good answer?
Identify the marshall plan (locate it historically) and explain its historical significans. Marshall Plan(June 1947 to 1952) Rebuild Europe Stabilize democracies and US allies Try to split Eastern European countries from the Soviet Union
asked by Anonymous 
math modeling
An investment is made at an annual rate of 9.71% compounded monthly, determine the number of months required for your investment to double.
asked by math 
chemistry
what mass of potassium chloride is required to prepare 5.00L of a 2.00M solution of KCL
asked by TROUBLED 
Physics
A 110 g hockey puck sent sliding over ice is stopped in 14.9 m by the frictional force on it from the ice. (a) If its initial speed is 7.8 m/s, what is the magnitude of the frictional force? (b) What is the coefficient of friction between the puck and the
asked by Ted 
Math
Little Billy was out trick or treating on Halloween. He had gotten a lot of candy and was peering into his bag, when out from behind a tree came Freddy Krueger. Freddy reached into Billy's bag and took half of his candy plus one piece. Within a few steps,
asked by Linda 
computers
example of printers and other hardwar
asked by hala 
physics
How far (in meters) must a 800 kg pile driver fall, if it is to do 18000 J of work?
asked by danielle 
MATH
THE TABLE SHOWS THE NUMBER OF STUDENTS PARTICIPATING IN THE SCHOOL DRAMA CLUB LAST AND THIS YEAR WHAT IS THEB PERCENT INCREASE IN STUDENT MEMBERSHIP FROM LAST YEAR TO THIS YEAR ROUND YOUR ANSWER TO THE NEARESTBN TENTH IF NECESSARY
asked by katerrian 
math boxes 3.3
make up a set of at least twelve numbers that hav the following landmarks maximum:8 range:6 mode:6 median:5
asked by brittney 
chemistry
Fe2+ + MnO4 + Fe3+ + Mn2+ which of the elements is undergoing oxidation and which of the elements is the oxidizing agent?
asked by TROUBLED 
algebra
Does this set of data have any outliers? Data: 1, 2, 2, 4, 6, 6, 7, 8, 9, 10, 12, 13, 16, 16, 18
asked by tracy 
Biology/math?
If ‘pi’ is approximately 3.14, and your field of view is 3 mm in diameter, what is the area of your field of view?
asked by Jill 
physics
At the base of a frictionless icy hill that rises at 23.0m above the horizontal, a toboggan has a speed of 12.0m/s toward the hill. How high vertically above the base will it go before stopping?
asked by Chris 
5th Grade Math
Use the terms factor, divisor,multiple, product and divisible by to write as many statements as you can about the number sentence below. 7*9=63
asked by Jonathan 
chemistry
write the name or formula for a reagent that will dissolve PbCl2 but not Hg2Cl2 and AgCl?
asked by travis 
Algebra
Could someone please show me how to write this equation in standard form? x^2 + y^2  6x+8y+9=0
asked by JessieLynne 
algebra
The stemandleaf plot represents the average monthly high temperatures in Tampa, Florida. What is the third quartile (Q3) of the temperatures? stem 6 leaf 9, stem 7 leaves 1 2 6 7, stem 8 leaves 1 4 7 9 9, stem 9 leaves 0 0 A. 85 B. 87 C. 88
asked by tracy 
pre aljabra
how do you find the greatest common factor of 44,47
asked by lucy 
Chemistry
NH4NO3 (aq) + (heat) > 2 H20 (l) + N2 (g) Calculate the mass in grams of ammonium nitrate that must be used to produce 1.50 L of nitrogen gas collected over water at 30°C and 748 torr. At 30°C, PH20 = 31.8 mmHg. Find the moles of nitrogen gas.
asked by Anonymous 
physics
Whenever two Apollo astronauts were on the surface of the Moon, a third astronaut orbited the Moon. Assume the orbit to be circular and 720 km above the surface of the Moon, where the acceleration due to gravity is 0.839 m/s2. The radius of the Moon is
asked by carlton 
climate change
What are the consequences of the rising sea level? TY
asked by Help me please 
physics
A car initially traveling eastward turns north by traveling in a circular path at uniform speed as in the figure below. The length of the arc ABC is 210 m, and the car completes the turn in 38.0 s. (a) What is the acceleration when the car is at B located
asked by carlton 
Mathplease help!!!
how do you solve 2x^2+x^3=96?
asked by Hina 
statistics
Suppose the amount of time it takes for statistics students to complete their midterm is normally distributed with a mean of 85.70 minutes and a standard deviation of 22.55 minutes. If 10 students are randomly selected, what is the probability that they
asked by Emily 
statistics
IQ scores are normally distributed and assume that the average IQ for all Economics majors is 108 with a standard deviation of 11. What percentage of Economics majors would have an IQ of more than 118?
asked by Emily 
Andasol
Does the expression d12 have a grater value when d=42 or when d=46
asked by Jessica N. 
Physics
A 1000 kg car rolling on a horizontal surface has speed v = 55 km/h when it strikes a horizontal coiled spring and is brought to rest in a distance of 2.2 m. What is the spring stiffness constant of the spring?
asked by Brooke 
Algebra 2
Question is about Step Functions:(between" " are all floor functions. The formula W=d+2m+"(3(m=1)/5)"+y+"y/4" "y/100" + "y/400" + 2 gives the day of the month of the given date; m = the number of the month in the year with January and February regarded as
asked by Casey 
chemistry
What is the ion in the resulting solution? 100.0 mL of 0.015 M K2CO3 and 100.0 mL of 0.0075 M BaBr2? 25 mL of 0.57 M Ni(NO3)2 and 100.0 mL of 0.150 M NaOH
asked by dude 
Physics
a 10 foot long teetertotter pivots in the middle. a 50 lb boy sits on one end. Where must a 100 lb boy sit to balance the beam?
asked by Clay 
algebra
The volume of a pyramid with a rectangular base is V= 1/3 x LWH Find W if V = 500, L = 15, and H = 4.
asked by joe 
physics
A rock climber climbs a 15 m vertical rock wall while wearing a 5.3 kg backpack. How much work does the climber do on the backpack?
asked by Anonymous 
grammar
Thank you for your help. I have 2 more questions. Which is an independent clause? when I saw her across the street I waved frantically to get her attention because I wanted to tell her something I think is is I waved frantically. Next is which is a
asked by Kam 
College Chemistry
a sample bulb contained 0.712g of H2(g) at a certain temperature and pressure. At the same temperature and pressure, the bulb can hold 13.0g of an unknown gas. What is the molar mass of the unknown gas?
asked by Anonymous 
chemistry
Now take another 35 mL of the 0.50 M pH 6.59 buffer and add 1.5 mL of 1.00 M NaOH. Using steps similar to those above, calculate the new pH of the solution. find pH
asked by Taylor 
Phyisical science
How much energy is in a soccer ball that is moving at 3 m/s and has a mass of 2kg.
asked by Anna 
Calculus
How do you solve the integral from 0 to 1 of x arctan x dx?
asked by Erica 
Physics
An autographed baseball rolls off of a 0.85 m high desk and strikes the floor 0.68 m away from the desk. How fast was it rolling on the desk before it fell off? The acceleration of gravity is 9.81 m/s2 . Answer in units of m/s
asked by Jo 
science
Aside from temperature change what is another but less major reason why sea levels might rise due to climate change?
asked by jillian 
physics
You are riding in a school bus. As the bus rounds a flat curve at constant speed, a lunch box with a mass of 0.470 suspended from the ceiling of the bus by a string of length 1.85 is found to hang at rest relative to the bus when the string makes an angle
asked by okan 
physics
Two objects with masses 5.50 and 3.00 hang 0.500 above the floor from the ends of a cord 5.70 long passing over a frictionless pulley. Both objects start from rest. Find the maximum height reached by the 3.00 object
asked by okan 
chemistry
How many milliliters of a solution of 0.0013 M EDTA4 would be used to titrate the lead in 1000. mL of a 0.0073 M solution of Pb(NO3)2? I'm sry, but I keep getting 5200ml and I know that's just wrong! >< can someone please help me?
asked by Miss 
Calc
Find the integral from ∞ to 1 of 1/(1+x²) dx. I started working the problem out, and so far I got the lim as z→∞ of [arctan (1)  arctan (z)]. I'm a little bit confused exactly what is means when you plug ∞ into z, and how to solve the
asked by Erica 
math
The first and seventh terms of a sequence are both 8. Starting with the third term, each term is the sum of the two previous terms. What is the fifth term?
asked by Anonymous 
Chemistry
03 + 3I + H20 > O2 + I3^ + 2OH A 1.00L bulb of air containing O3 produced by an electric spark was treated with 25mL of 2M KI, shaken well, and left closed for 30 minutes so that all O3 would react. The aqueous solution was then drained from the
asked by Ken 
Stats
A bag of colored blocks contains the following assortment of colors: red (18), blue (14), orange (20), purple (14), green (10), and yellow (4). Construct the probability distribution for x. I'm so lost....
asked by Jennifer 
physics
an experimental jetplane just after takeoff climbs with a speed of 500km/hr at an angle of 37 degrees with the horizontal. At what rate is the plane gaining altitude?
asked by Lily 
Algebra
i^20
asked by MiNdy 
Grammar
Select the correctly punctuated sentence. 1.A) Dr. Jones is an excellent surgeon but does not have a good bedside manner. B) Dr. Jones is an excellent surgeon, but does not have a good bedside manner. C) Dr. Jones, is an excellent surgeon, but does not
asked by Cindy 
physics
At an instant when a soccer ball is in contact with the foot of the player kicking it, the horizontal or x component of the ball's acceleration is 830 m/s2 and the vertical or y component of its acceleration is 1100 m/s2. The ball's mass is 0.37 kg. What
asked by Anonymous 
science
What is the difference in Thermal Energy and Heat.
asked by Anna 
physics
A stone is thrown horizontally at a speed of 4.8 m/s from the top of a cliff 88.5 m high. How long does it take the stone to reach the bottom of the cliff?
asked by Anonymous 
Stats
How many green elements are required to make this a legitimate probability distribution if there are a total of 50 elements in this sample? x red blue orange brown green P(x) 0.20 0.16 0.28 0.24 Would it be 0.11??
asked by Jennifer 
Russian
russian farmland has been damaged by
asked by will 
Physics
Two stars in a binary system orbit around their center of mass. The centers of the two stars are 7.80 1011 m apart. The larger of the two stars has a mass of 3.50 1030 kg, and its center is 3.00 1011 m from the system's center of mass. What is the mass of
asked by Anne 
l;k
Write a program that asks the user to enter the student’s name (first and last), and his/her first exam grade of three students, and then display them in a neat format. After that the program will find the average of the three grades, and print it
asked by ayham 
Spanish
Can someone help translate this proverb to English?  La casa de huérfanos de Lima fue fundada en 1597 por Luis Ojeda el Pecador, bajo la advocación de Nuestra Señora de Atocha. Lo que movió al caritativo varón a ocuparse de los expósitos fue
asked by Andrew 
algebra worD PROBLEM
1) For a walkathon a sponsor commmited to give you a flat ffe of $5 plus $2 for every mile you walk. Write an expression for the total amount you will collect from your sponsor at the enf of the walkathon. Then evaluate your =expression for 20 miles
asked by marko 
Physics
Two stars in a binary system orbit around their center of mass. The centers of the two stars are 7.80 1011 m apart. The larger of the two stars has a mass of 3.50 1030 kg, and its center is 3.00 1011 m from the system's center of mass. What is the mass of
asked by Anne 
Math
The length and width of a rectangle are (x+4)cm and xcm respectively. Write down expressions for: A. The perimeter of the rectangle B. The length of the side of a square with the same perimeter If the sum of the areas of the square and the rectangle is
asked by Ghiffari 
social studies
what are some nonexamples in multiculturalism?
asked by analee 
MATH
what is the value of y if x=1 in a constant function? is it 1 or 1?
asked by Mark J 
precalculus
Let f(x)=x^2+bx+27. Find the value(s) of b so that f(x) has minimum value of 2.
asked by Mike 
math
14/15=2x
asked by shawn 
Chemistry
a) How will the concentration of NaOH be affected if during the titration some of the solid potassium hydrogen phthalate was spilled during the transfer? Will the concentration of the standardized NaOH increase, decrease, or have no effect? b) How will the
asked by Josh 
Chemistry
Using the data collected for part b on your data sheet, calculate the molar mass of the unknown acid. Include the calculation for each trial and the average. Trial One Results: Mass unknown acid: 0.500g Final buret reading: 18.01mL Initial buret reading:
asked by Josh 
Physics
An aluminum wire is hung between two towers and has a length of 175 m. A current of 125 A exists in the wire, and the potential difference between the ends of the wire is 0.300 V. The density of aluminum is 2700 kg/m3. Find the mass of the wire
asked by Mathe 
Chemistry
Sulfite (SO3^2) in wine was measured by the following procedure: 50.0ml of wine were added 5.00ml of solution containing (0.8043 g KIO3 + 5 g KI)/100ml. Acidification with 1.0ml of 6.0 M H2SO4 quantitatively converted IO3^ into I3^. I3^ reacted with
asked by Ken 
Chemistry
Using the data collected for part c on your data sheet and assuming the density of the vinegar is 1.00g/mL, 1) calculate the molar concentration of acetic acid (CH3COOH) in the vinegar sample using the average volume of NaOH. 2) calculate the mass percent
asked by Josh 
math
one box holds 16 crayons. ANOTHER BOX HOLDS 24 CRAYONS. wRITE A SENTENCES USING WOLDS THAT COMPARES THE CRAYONS IN THE TWO BOXES.
asked by harry 
physics
A wire of uniform linear mass density hangs from the ceiling. It takes 0.82 s for a wave pulse to travel the length of the wire. How long is the wire?
asked by fiko 
Physics
Two stars in a binary system orbit around their center of mass. The centers of the two stars are 7.80 x 10^11 m apart. The larger of the two stars has a mass of 3.50 x 10^30 kg, and its center is 3.00 x 10^11 m from the system's center of mass. What is the
asked by Anne 
math
Suppose that you were saving money over 5 years to use in a purchase later. You have $1000 to put in the savings. After surveying several banks for savings plans, you found these options. "A" stands for the amount you will have in the bank after x years. *
asked by tracy 
math
To save for a child's education,the petersen's deposited $2500 into an account that pays 6% annual interest compounded daily. Find the amount of interest earned on this account over a 20year period.
asked by Cliff 
Physics
An isolated segment of wire of length L=4.50 m carries a current of magnitude i=35.0 A at an angle theta=50.3 degrees with respect to a constant magnetic field with magnitude B= 6.70E2 T. What is the magnitude of the magnetic force on the wire? a) 2.66 N
asked by Jessica 
Physics
A 1kg thin hoop with a 50cm radius rolls down a 47° slope without slipping. If the hoop starts from rest at the top of the slope, what is its translational velocity after it rolls 16 m along the slope? I got the height by 16sin47=11.7 m I tried putting
asked by mymi 
owning
The _______ is the contract that seals the deal when you buy a car. A.loan application B.warranty C.loan agreement D.sales agreement i got C
asked by Ciara 
Math
Please help me solve this problem 7.53x10exponent negative 3
asked by Sadie 
MathURGENT,
Given that y varies directly with x, write a direct variation equation that relates x and y. x=1/3
asked by Izzy 
precal
Find B so that F(x)=x^2+bx75 has a maximum value of 25.
asked by tracy 
science
How does the Kinetic Theroy of Heat explan Solids, Liquids, and gasses?
asked by Anna 
College Algrebra
How would you use synthetic division to find the quotient and remainder for this problem: (X^3+3ix^24ix2)/(x+i)
asked by Anonymous 
Math
A parking lot is 60 meters wide and 80 meters long. At $ 15 per square meter, how much will it cost to pave the parking lot?
asked by Ivy 
Chemistry
All chromium particles should have the same number of (protons,neutrons or electrons)? I think it is neutrons. Is that correct?
asked by Anonymous 
positive psychology /220
write a 200300 word response explaining which strategies you could use to stregthen the relationship and describe how the relationship would be stregthen.
asked by Ann 
Math
A swimming pool is 16 meters wide and 25 meters long. At $50 per square meter. how much will a childproof covering for the pool cost?
asked by Ivy 
College Algebra
Show all work. A projectile is fired from a cliff 100 ft above the water at an inclination of 45 degrees to the horizontal, with a muzzle velocity of 260 ft/second. The height of the projectile above the water is given by h(x)= ((32x^2)/(260)^2)+x+100,
asked by Anonymous 
Chemistry
In a certain experiment, when light of wavelength 570 nm is directed on to the photocell, electrons are emitted at the rate of 6.6 1013 Coulombs/sec. Assume that each photon that impinges on the photocell emits one electron. How many photons per second
asked by Brandon 
Interview question  Why do you want to work here?
I answered this in a very simple manner. I need a job to pay for my expenses that are building up. I also need to gain work experience, and if I could get the oppurtuity to become a member of your team, that would be a great help to me later in my
asked by Anonymous 
science
Imagine that you were on the moon (which has an acceleration rate 1/6 that of earth's 9.8 m/s) What would it's gravitiational acceleration rate be?
asked by Anonymous 
math
how can i estimate in the first step of solving a division problem
asked by Bailey 
Spelling and Writing
how to rewrite sentences that have mistakes in capitalizing and punctuating compound sentences
asked by Teresa 
trilbailzer
which saying had the largest number of believers?
asked by jhel 
math
A horse gallops a distance of 10 kilometers in a time of 30 minutes. What is its average speed?
asked by Chandler 
geometry
triangular pyramid with base vertices C, A, E and B, D, and F How many planes are shown in the figure?
asked by alex 
algebra,math
what is the vertex for the function? y= x^2  4x 3
asked by tracy 
Physics
A pilot is performing vertical loop the loop over the ocean at noon . The plane speeds up as it approaches the bottom of the circular loop and slows as it approaches the top of the loop. An observer in helicopter is watching the shadow of the plane on the
asked by Yashib 
math
two cars leave the same point at noon. one car travels north and the other car travels east. suppose the northbound car is traveling 40mph, and after two hours, the two car are 100 miles apart.how fast is the other car going?
asked by jane 
math
two cars leave the same point at noon. one car travels north and the other car travels east. suppose the northbound car is traveling 40mph, and after two hours, the two car are 100 miles apart.how fast is the other car going?
asked by jane 
math..
Use only four 4's along with any mathematical operators to make a total of 2348.
asked by .. 
chemistry
Table salt, NaCl(s), and sugar, C12H22O11(s), are accidentally mixed. A 5.00g sample is burned, and 2.50 g of CO2(g) is produced. What is the mass percentage of the table salt in the mixture
asked by Sete Odhiambo 
math
you want to take an 8ft.wide piece of plywood through a 36inchwide door. What is the minimum possible height for the door to allow youto fit the plywood?
asked by jane 
BEDMAS with decimals
Hi, I'm having trouble with this question that I have worked on, but I didn't get the right answer. 25.1 + 11.4 / 7.5 (3.75)
asked by Alex L. 
reading
what is a statement about miss saunders ?
asked by Isiah garza 
4 grade math
complete the following problem 4+8+7/3*72
asked by Maria 
algebra
Susie has a budget of $92 to spend on clothes. The shorts she wants to buy are on sale for $14 each. The shirts are on sale for $12 each. If Susie purchases four shorts, what is the maximum number of shirts she can buy to go with the shorts?
asked by Ali 
math
if the $180 you spend each month on room and board represents 3/5 of your monthly income,what is your monthly income?
asked by unknown 
math
an endof the season sale for winter clothes advertise 30%45% off the orginal peice. what was the highest original price of a jersey that is now on sale for $12.99. Give your answer as a deciaml rounded to the hundreths place.
asked by unknown 
MathPLEASE. HELP.
Given that y varies directly with x, write a direct variation equation that relates x and y. x=1/3
asked by Izzy 
math
Mr.Hash bough some plates at a a yard sale. After arriving home he found that 2/3 of the plates were chipped, 1/2 were cracked, 1/4 were both chipped and cracked. Only 2 plates were w/o chips or cracks. How many plates did he buy in all?
asked by unknown 
4th grade Social Studies
What are the steps of the water cycle
asked by Maria 
Grade 9 Algebra
4. WALLPAPER A decorative wallpaper strip has an area of 50 + 20r. If the width of the strip is 5 inches, what expression represents the length of the strip? So far I have that their GCF is 5?
asked by Jab 
chemistry
If 25 ml of 0.11 M sucrose is added to 10 ml of 0.52 M sucrose, what will be the resulting Molarity?
asked by Bob 
math
what digit is in the tens place in 32? what digit is in the ones place in 32?
asked by ashley 
math
0.81 divide by 9 is what? is it.9?
asked by chase 
physics
An object is located 87.6 cm from a concave mirror that has a focal length of 17.0 cm. Where is the image located?
asked by Jenna 
physics
A long jumper leaves the ground at an angle of 25.2 to the horizontal and at a speed of 11.2 m/s. How far does he jump? The acceleration due to gravity is 9.8 m/s2 . Answer in m What maximum height does he reach? Answer in units of m
asked by anonymous 
Desert
What landforms would you expect to find in a desert? Could you give me a website to go on that gives pictures and descriptions of each landform?
asked by Anonymous 
algebra,math
Solve the equation. Check both solutions and only write the real solution. the square root of 6m minus 5 = m A. {1} B. {5} C. {1, 5} D. no real solution I think its B
asked by tracy 
related rates
A spherical snowball is melting in such a way that its diameter is decreasing at rate of 0.4 cm/min. At what rate is the volume of the snowball decreasing when the diameter is 8 cm. (Note the answer is a positive number).
asked by james 
math
Is it reasonable to say the sum of 146 and 149 is less than 300? Explain.
asked by sandra 
Alegra Beginning
Rachel earns $6,000 less than twice as much as Tom. If their two incomes total $48,000, how much does each earn?
asked by Missy 
calc related rates
A street light is at the top of a 18 ft tall pole. A woman 6 ft tall walks away from the pole with a speed of 6 ft/sec along a straight path. How fast is the tip of her shadow moving when she is 45 ft from the base of the pole?
asked by Bernardo 
Grade 9 Greatest Common Factor Algebra
Joey is having a party during the Major League Soccer championship game. In order to make sure his guests are happy, he ordered the following appetizers from a nearby restaurant. 15 egg rolls 3 10slice pizzas 120 chicken wings 30 cheese sticks 5. What is
asked by Jab 
word problem help algebra
1) For a walkathon a sponsor commmited to give you a flat ffe of $5 plus $2 for every mile you walk. Write an expression for the total amount you will collect from your sponsor at the enf of the walkathon. Then evaluate your =expression for 20 miles
asked by marko 
Math
At the potluck , there were 6 pecan pies, 7 lemon pies, 13 cherry pies, and 8 apple pies. Find the ratio in simplest form. Then explain its meaning.
asked by Mia 
mathssss
Use only four 4's along with any mathematical operators to make a total of 2348.
asked by kindy help me.. 
geomatry
a sequence begins 4,1,6,11 find the rule that generates the sequence. Then give the 5oth term is the sequence. What type of reasoning inductive or deductive, do you use when solving this problem?
asked by manal 
physics
we know that the speed of light in a vacuum is 3.0 x 10^8 m/s (18,000 mi/sec). If light travels through thick plastic with a speed of 1.75 x 10^8 m/s, what is the index of refraction through plastic?
asked by Jenna 
algebra
Use the Pythagorean Theorem to determine if the three numbers could be the measures of the sides of a right triangle. Assume that the largest is the hypotenuse. 20, 6, 21 A. yes B. no
asked by tracy 
Math
At the potluck , there were 6 pecan pies, 7 lemon pies, 13 cherry pies, and 8 apple pies. Find the ratio of apple pies to the total number of pies. Write the ratio in simplest form. Then explain its meaning.
asked by Mia 
Science
Formula for photosynthesis and respiration?[:
asked by Izzy 
4thgrade homework help
Write two addends with a Sumer of 258? Please help! Thanks
asked by Zack 
mgt/230
Ok need help not getting this I'm to descrbe the organizational structure of you selected organization i chose burger king, then Im supposed to compare and contrast that structure with two different organizational structures? I m not sure what to do.
asked by ann 
Math
What is the answer to A basket with 12 apples has a mass of 3,105 grams. The same basket with 7 apples has a jhaad of 1980 grand each apple has the same mad what is the mess of the baskets?
asked by Anonymous 
geography
Which statements describe cultural influences? Florida is bordered by water on three sides. French is spoken in parts of Louisiana. Forests are cleared to provide space for cattle grazing. Male children are encouraged to attend the university. The longest
asked by Alyse 
physics
A block of mass m = 3.20kg slides from rest a distance d down a frictionless incline at angle θ = 30.0° where it runs into a spring of spring constant 425 N/m. When the block momentarily stops, it has compressed the spring by 22.0 cm. (a) What is the
asked by Anonymous 
computers
You have been hired by your local library to help it set up a LAN to connect its three library sites. The director of the library, Robert Jienwerski, has a good understanding of the jargon used by network installers and administrators. Robert is very
asked by Anonymous 
reading
what are examples of verbs to desribe the word babysitter?
asked by Dacia 
Chemistry
Calculate the mass of Glauber's salt needed to lower the temp of air in a room by 6.3 C. The mass of air in the room is 555.4 kg, the specific heat is 1.2J/gc
asked by Tara