Questions Asked on
December 13, 2010

Physics
At a rock concert, the sound intensity 1.0 in front of the bank of loudspeakers is 0.10 . A fan is 30 from the loudspeakers. Her eardrums have a diameter of 8.4 .How much energy is transferred to each eardrum in one second?
asked by Ness 
Physics
A 1125 kg car carrying four 80 kg people travels over a rough "washboard" dirt road with corrugations 4.0 m apart which causes the car to bounce on its spring suspension. The car bounces with maximum amplitude when its speed is 17 km/h. The car now stops,
asked by Robert 
Trig
How do you convert rectangular equations into polar equations? If x4−y4=xy , then r2=atan(b); What is a? What is b?
asked by Audrey 
physics
1.) A vertical spring with a spring constant of 450 N/m is mounted on the floor. From directly above the spring, which is unstrained, a 0.30 kg block is dropped from rest. It collides with and sticks to the spring, which is compressed 2.5 cm in bringing
asked by David 
physics
a popgun uses a spring for which k = 20 N/cm. when cocked, the spring is compressed 3.0 cm. how high can the gun shoot a 5.0g projectile
asked by Mike 
calculus
Find the point P in the first quadrant on the curve y=x^2 such that a rectangle with sides on the coordinate axes and a vertex at P has the smallest possible perimeter.
asked by Gabriela 
geometry
if triangle FGH~ to Triangle PQR, FG = 6, PQ = 10 and the perimeter of trinagle PQR is 35 find the perimeter of triangle FGH
asked by Chris 
math 11
i dontget how the textbook got the answer, h = 30cos[(1.43)x]° + 40 the question is: a paintball is shot at a wheel of radius 40 cm. the paintball leaves a cricuarmark 10 cm from the outer edge of the wheel. As the wheel rolls, the mark moves in a
asked by pranav 
chem
Excess fluorine, F2(g), reacts at 150°C with bromine, Br2(g), to give a compound BrFn. If 423 mL Br2(g) at 150°C and 748 mmHg produced 4.20 g BrFn, what is n? Predict the shape of this molecule using the VSEPR model.
asked by chemistry 
Physics
A 16kg child on roller skates rolls 2m down an incline at 20 degrees with the horizontal. With no friction, what is the total kinetic energy of the child at the bottom of the incline?
asked by Josh 
english
In the memoirs, “Barrio Boy” and “No Gumption”, how are these two memoirs similar? How are they different? In what ways are the authors’ choices and depictions related to the subject matter of their stories? pleeeaaaasssseee helpp.
asked by Vanna 
physics
The radius of Earth is about 6.38 103 km. A 7.40 103 N spacecraft travels away from Earth. What is the weight of the spacecraft at the following distances from Earth's surface?
asked by Anonymous 
AP World History
how did the japanese importation of chinese culture differ from that of vietnam and korea? Are these points correct? +++ Japan had a strong religion, Shintoism, while Viet. and Korea did not +++ Japan was the only place not physically connected to the
asked by qwerty321 
Math
2.) Bonnie is four years older than Clyde. Ten years ago she was twice his age. How old is Bonnie?
asked by Sherkyra8645 
Chemistry
What is the percentage strength (v/v) of Diluted Alcohol, NF, which results from mixing 50 mL of Alcohol, USP (95.0%, v/v) with 50 mL of Purified Water, USP? C1xV1 = C2xV2 95% x 50ml = C2 x 97ml C2 = 49% This was an example my professor put up. I can not
asked by Anonymous 
physics
a ball mass 800g is dropped from height of 5m and rebounds to a hight of 3.8m the air resistance is negligible. calculate a. the kinetic energy of the ball just before impact b. the initial rebound speed of the ball c. the energy transferred to the ground
asked by lewis 
chemistry
The solubility of nickel (II) carbonate at 25 degrees C is 0.047 g/L. Calculate Ksp for nickel (II) carbonate.
asked by joe 
Physics
A train sounds its horn as it approaches an intersection. The horn can just be heard at a level of 42 dB by an observer 10 km away. (a) What is the average power generated by the horn? W (b) What intensity level of the horn's sound is observed by someone
asked by Jake 
chemistry
Determine the molarity of nitrate ions in a solution prepared by mixing 25.0 mL of 0.50 M Fe(NO3)3 and 35.0 mL of 1.00 M Mg(NO3)2 Please explain fully do not know where to start?
asked by Lisa 
math
during the summer months, sarah makes and sells necklaces on the beach. last summer she sold the nacklaces for $10 each. Her sales averaged 20 per day. Considering a price increase, she took a small survey and found that for every dollar increase, she
asked by ted 
physics
A hypothetical planet has a radius 2.1 times that of Earth, but has the same mass. What is the acceleration due to gravity near its surface? What equation should i use?
asked by Haley 
physics
A coin is placed on a vinyl stereo record that is making 78 revolutions per minute on a turntable. Find the magnitude of the acceleration when the coin is placed 5.0, 10, and 17 cm from the center of the record. The radius of Earth is about 6.38x10^3 km. A
asked by Becky 
physic
Two equal masses are attached to separate identical springs next to one another. One mass is pulled so its spring stretches 20 cm and the other is pulled so its spring stretches only 10 cm. The masses are released simultaneously.Which mass reaches the
asked by leya 
Chemistryinorganic
Explain the discontinuity in the trend for the first ionization energies between Mg and Al, also P and S.
asked by Davia 
11th grade pre ap physics
An athlete whirls a 7.00 kg hammer tied to the end of a 1.1 m chain in a horizontal circle. The hammer makes one revolution in 0.9 s. What is the tension in the chain?
asked by asian 
Science
If 20.0 mL of 0.42 M acetic acid (CH 3COOH) is added to 10.0 mL of 0.42 M sodium acetate (CH 3COONa) solution, what is the pH of the resulting solution? (K = 1.8 x 105)
asked by Mik 
college
The approximate vapor pressure of CS2 at 30 degrees Celsius?
asked by Helen 
C Chemisty
What mass of hyudrogen peroxide should result when 1.50 g of barium peroxide is reacted with 25.0 mL of 0.50 M of hydrochloric acid?
asked by Sandra 
physics
Two equal masses are attached to separate identical springs next to one another. One mass is pulled so its spring stretches 20 {\rm cm} and the other is pulled so its spring stretches only 10 {\rm cm}. The masses are released simultaneously.Which mass
asked by leya 
physics
A 73 kg man in a 7.0 kg chair tilts back so that all the weight is balanced on two legs of the chair. Assume that each leg makes contact with the floor over a circular area with a radius of 1.0 cm, and find the pressure exerted on the floor by each leg.
asked by kaitlyn 
Sociology
What effect do you think the Kent State shootings had on the AntiVietnam movement in America?
asked by Lakesha 
physics
(a) Find the pressure difference on an airplane wing where air flows over the upper surface with a speed of 126 m/s, and along the bottom surface with a speed of 101 m/s. kPa (b) If the area of the wing is 30 m2, what is the net upward force exerted on the
asked by aok 
Math
Ruth is flying a kite. Her hand is 3 feet above ground level and is holding the end of a 375 foot long kite string, which makes an angle of 64° with the horizontal. How high is the kite above the ground? (Round your answer to one decimal place.)
asked by Anonymous 
prob. statistics
a survey indicates that 41% of women in the us consider reading as their favorite leisure time activity. you randomly select 4 women and ask them if reading is their favorite leisure time activity. find the probability that exactly 2 of them said yes
asked by tiffany 
Statistics and Probability
The TriState Pick 3 lottery game offers a choice of several bets. You choosea threedigit number. The lottery commision announces the winning threedigit number, chosen at random, at the end of each day. The "box" pays $83.33 if the number you choose has
asked by Laura 
Physics
An airplane of mass 1.3 104 kg is moving at 64 m/s. The pilot then revs up the engine so that the forward thrust by the air around the propeller becomes 7.2 104 N. If the force exerted by air resistance on the body of the airplane has a magnitude of 4.0
asked by Jane 
chemistry........help!! =)
How many grams of FeSo4 are required to prepare 0.50 L of a 0.010 M FeSO4 solution? I don't need the answer just shown how to do it! thanks
asked by Stacy 
CHEMISTRY
how many grams of sodium carbonate are needed to prepare 0.250 L of an 0.100 M aqueous solution of sodium ions? well normally you go moles=grams/molar mass than M= moles/L but when looking for grams? what do you do........multiple .250 by .100 than divide
asked by STACY 
physics
a 500g mass is attached to the end of an initially unstretched vertical spring for which k=30 n/m. the mass is then released, so that it falls and stretches the spring. how far will it fall before stopping? (the PEg lost by the mass must appear as PEe)
asked by Mike 
chemistry
Consider the hypothetical elements X and Y. Suppose the enthalpy of formation for the compound XY is 336 kJ/mol, the bond energy for X2 is 414 kJ/mol, and the bond energy for Y2 is 159 kJ/mol. Estimate the XY bond energy in units of kJ/mol.
asked by Jude 
physics
A person fishing hooks a 3.0kg fish on a line that can only sustain a maximum of 35 N of force before breaking. At one point while reeling in the bass, it fights back with a force of 45 N. What is the minimum acceleration with which you must play out the
asked by Anonymous 
statistics
Suppose that a coin is tossed 100 times. Let X be the number of times that it shows heads. Find the mean and standard deviation of X.
asked by Mschribe 
chem class
Our teacher told us we had to do problems on our final on Delta G and S...? all he said is we'd have to plug in numbers from a list and solve. but im very confused. but the numbers he gave in the example are different from my book, is there soemthing we
asked by ben 
Chemistry
Given 20.0 L of ammonia gas at 5C and 730 torr, calculate the volume at 50C and 800 torr
asked by Jack 
10th grade math help
How do you solve? 33sinx2cos^2(x) = 0
asked by Sophie 
math
If the cards contain the following equations, what is the probability that a student will graph a line whose slope is 3? 3y = 9x + 3 x(x + 3) = 0 3x + y = 0 x = 3y x2 + 3 = 0 y  3x = 0
asked by neisha 
chem
A molecular compound is composed of 58.8% Xe, 7.2% O, and 34.0% F, by mass. If the molecular weight is 223 g/mol, what is the molecular formula? Draw the correct Lewis structure. Predict the molecular geometry using the VSEPR model.
asked by chemistry 
AlgebraDid I even begin correctly?
How would I write log(6)272log(6)3 as a single logarithm Would I start by getting rid of the (2) I know its the same log6 but what would I do with the 27 and the 3 I'm really confused on this one and I have to solve several similar ones with no clue on
asked by Matt 
11th grade
If 720.0 mL of liquid water absorbs 80.0 kJ of heat, what will be its increase in temperature?
asked by Anonymous 
Chemistry
In the reaction: MnO2 + 4 HCl > MnCl2 + Cl2 + 2 H2O Calculate: The volume of Cl2 produced from the reaction of 10 grams of HCl with excess MnO2?
asked by Darryl 
Physics
A 220 kg wooden raft sits on a lake. When a 75 kg man stands on the raft, it sinks 4 cm deeper into the water. When he steps off, the raft vibrates for a while. a) What is the frequency of the raft? b) What is the total energy of the vibration?
asked by Anonymous 
physics
A piece of glass has a temperature of 72.0 °C. Liquid that has a temperature of 37.0 °C is poured over the glass, completely covering it, and the temperature at equilibrium is 50.0 °C. The mass of the glass and the liquid is the same. Ignoring the
asked by Help 
Algebra 1
Let x be an integer. What is the product of twice the integer added to three times the next consecutive integer?
asked by Lauren 
chemistry
10.2 g of Pb(NO3)2 are dissolved in 100 mL of water, and added to 250.0 mL of a 0.250 M solution of KI. Determine the mass in grams of Pbl2 produced, and find the number of moles of the excess reagent. PLZ explain
asked by Lisa 
phycis
A cylindrical tank has a tightfitting piston that allows the volume of the tank to change. The tank contains 0.5m^3 of air at a pressure of 2*10^5 Pa. The piston is slowly pushed in until the pressure of the air is increased to 2.5*10^5 Pa. If the
asked by joann 
chemistry
Based on molecular mass and boiling point of the five compounds in the table below, which should have the high? est dipole moment: first # molecular mass 2nd: boiling point compound 1 244 203 compound 2 346 255 compound 3 250 138 compound 4 246 146
asked by ben 
science
A surveyor stands on one edge of a ravine. She determines that the ravine w is 140 feet wide. She then determines that the angle of depression from the edge where she is standing to a point on the bottom of the ravine a is 57.5°, as shown in figure below
asked by Maryann 
11th grade
how far will 350 j raise a 7 kg mass
asked by taylor 
Math
4). At diving competiotion, Jan's first dive received 9 scores that averaged 9.0. To calculate her final score for the dive, the highest and lowest scores were removed and the average was taken of the remaining seven scores. If her final score was 9.1,
asked by Sherkyra8645 
Math Help in need of urgent assistance
A tower casts a 235footlong shadow. If the angle of elevation from the tip of the shadow to the top of the tower is 66.3°, how high is the tower? (Round your answer to one decimal place.)
asked by Jess 
physics
A person fishing hooks a 3.0kg fish on a line that can only sustain a maximum of 35 N of force before breaking. At one point while reeling in the bass, it fights back with a force of 45 N. What is the minimum acceleration with which you must play out the
asked by Anonymous 
Chemistry
A protein found in some types of woodrotting fungi is 0.40% copper by mass. Each protein molecule is known to contain 4 copper atoms. What is the approximate molecular weight of this compound?
asked by Dee 
physics
a piece of iron has a temperature of 18 degrees celsius. A second identical piece of iron is twice as hot. What is the temperature of the second piece of iron? Please explain why.
asked by Sonia 
Cell Biology
What do the two steps of transcription followed by translation do?
asked by Lindsay 
Precalculus
1. A plane takes off, making an angle of a = 17° with the ground. After the plane travels m = one mile along this flight path, how high (in feet) is it above the ground?. (Round your answer to one decimal place.)
asked by Anonymous 
math
Lily went for 8 rides at the county fair. Some rides were on the merrygoround, and the rest were on the pirate ship. The total cost of all rides was $6.30. Each pirate ship ride cost $0.60, and each merrygoround cost $0.90. How many pirate ship did
asked by Katherine 
Math
1). In 1968, vehicle emision standards allowed 6.3 hydrocarbons released per mile driven. By 1980, the standards allowed only 0.41 hydrocarbons per mile driven. What was the rate of change from 1968 to 1980?
asked by Sherkyra8645 
math
Lily went for 8 rides at the county fair. Some rides were on the merrygoround, and the rest were on the pirate ship. The total cost of all rides was $6.30. Each pirate ship ride cost $0.60, and each merrygoround cost $0.90. How many pirate ship did
asked by Katherine 
5th grade
jen and heather went to lunch. when the bill came, jen discovered she had only$6. luckily, heather had enough money to pay the other part, or three fifths. how much did heather pay? how much was the bill?
asked by eddie 
math
fill in the blanks with the numbers so that the statement is true 2,3,4,7 (_ + _)2 + _ x _ = 53
asked by kevin 
7th grade
A space probe is 7.62 x 10 to the 7th power kilometers from the surface of the planet Mars. If the space probe is traveling towards mars at a arate of 127 meters per second, how many hours will it take the probe to reach the surface of the plant? Round to
asked by Amber 
chemistry
Compare the three types of bonds based on valence electrons. Explain why SH bond lengths are longer than OH bond lengths. Which element has a greater bond energy, oxygen or nitrogen and why. Determine if the following compounds are likely to have ionic
asked by mido 
Cost accounting
each bill 1500 hours per year and receive pay of $100,000 each. Four paralegal work for the firm and each receives pay of $40,000 and works 2,000 hours per year. Overhead of $396,000 is anticipated, of which $300,000 is attorney support, and the rest is
asked by joyce pettaway 
Physics
A car moves from a point located 26.0 m from the origin and at an angle of 35.0° from the xaxis to a point located 56.0 m from the origin and at an angle of 60.0° from the xaxis in 2.50 s. What is the magnitude of the average velocity of the car?
asked by JT 
Precalculus
A tower casts a 235footlong shadow. If the angle of elevation from the tip of the shadow to the top of the tower is 66.3°, how high is the tower?
asked by Mike 
11th grade
If 720.0 mL of liquid water absorbs 80.0 kJ of heat, what will be its increase in temperature?
asked by Anonymous 
CHEMISTRY
Consider an aqueous solution prepared from 250.0 mL of water and 1.27 g of potassium bromide. Express the amount of potassium bromide in this solution in terms of (a) mass percent (b) mole fraction (c) molarity assume the density of the solution is equal
asked by STACY 
Math
3). Sam rows up a river to camp in three hours. The next day he makes the return trip downstream in one hour. If he can row two mph in still water, how fast is the current?(The question was not answered last time).
asked by Sherkyra8645 
Math
In "the twelve days of christmas", how many gifts in all did "my true love give to me?
asked by Jay 
question about corrections(what they mean)
ok. so this may be hard to explain and may not be enough info that you understand but ill try. I did a paper and my teacher corrected it and said changes i need to make. here is a clip from the paper of something that she commented on: " Here are some
asked by hannah 
Business Math
Margie earns $4598 monthly with adjustments to income. She is married and claims one withholding allowance. Find the federal tax withholding that is deducted from her monthly paycheck?
asked by Joan Martin 
maths
How do i rearrange the equation to make d the subject. e = d/ab (d/ab has a square root sign over it)
asked by joleen 
Chemistry
Normal saline solution is 0.91%w/v Calculate thge concentration of this solution in grams per litre????
asked by Korina 
Chemistry
Element M(a solid) reacts with an aqueous solution of compound B to form an aqueous solution of compound C(a salt) and a gas composed of element D. When 1.000g of element M is reacted with excess oxgen 1.658g of the compound MO are formed. Compound B is
asked by Patrick 
AP World history
What were the elements of the tangSong economic prosperity? i looked in my book but I cannot find enough information. Please and Thank you.
asked by qwerty321 
math
what is the answer to this systems of equation using elimination 2x+3y=11 and 3x+3y=18
asked by malachi 
Chemistry
Hi, I'm trying to solve some chemistry problems, like the ones my teacher says will appear on our exams. The problem reads like this: What is the hydrogen conentration in a bleach sample that register 9.55 using a pH meter? My Attempt: Since this sample
asked by Cliff 
math 11  Ms. Sue i need your kind help
i dontget how the textbook got the answer, h = 30cos[(1.43)x]° + 40 the question is: a paintball is shot at a wheel of radius 40 cm. the paintball leaves a cricuarmark 10 cm from the outer edge of the wheel. As the wheel rolls, the mark moves in a
asked by pranav 
8th grade math
Greta is designing a page for the yearbook and needs to know the area of her 8 in. x 10 in. picture after she crops it. If she makes the length and width of the picture 5/8 of the original, how does the area of the picture change?
asked by Elizabeth 
Trig
A curve with polar equation r=(8)/7sinx + 36cosx represents a line. This line has a Cartesian equation of the form y=mx+b ,where m and b are constants. Give the formula for y in terms of x . For example, if the line had equation y=2x+3 then the answer
asked by Audrey 
ENGLISH
WHAT ARE THE METAPHORS IN THE POEM "THE RISK" BY ANNE SEXTON
asked by JEANELL 
chemistry
An ionic compound has the following composition (by mass): Mg, 10.9%; Cl, 31.8%; O, 57.3%. What is the formula and name of this compound?
asked by chemistry 
Business Management
Pick a team that you are currently a member of, a prior team in which you were a member, or search the Internet for an example of a reallife team. Be sure to choose one that meets these two criteria: (1) it’s not part of a forprofit business and (2)
asked by Ronald 
Precalculus
A surveyor stands on one edge of a ravine. She determines that the ravine w is 140 feet wide. She then determines that the angle of depression from the edge where she is standing to a point on the bottom of the ravine a is 57.5°, as shown in figure below
asked by Anonymous 
ChemistryConfused by titration!!
If a 28 mLs of a 0.25 molar NaOH solution is used to titrate 14 mLs of a nitric acid to its phenolphthalein endpoint, what is the molar concentration of the acid?
asked by Maddy 
grammar
Choose the sentence that's written in the passsive voice. A. To Kill a Mockingbird was written by Harper Lee. B. Watch for the turn at the corner of the block. C. Alan and James know how to tell a story. D. The president was trying to develop his country's
asked by Meosha 
chemistry
there is 4.5 grams of acetic acid in 100 ml of water. how many moles of acetic acid is that?
asked by tiffany 
english need a creative title!
For my english class i had to right a paper on civil war slang and how this topic releated to the book The Red Badge of Courage. I finished my paper but have no idea of a creative title. Im not good at thinking up good titles :/ have any ideas?
asked by hannah 
Calc
Find the integral of 2x/(x^2 + 6x + 13)dx
asked by Erica 
Calculus
Consider the function f defined by f(x)= sin x/x, x cannot equal 0 1, x cannot equal 0 a) At what points does the graph cross the Xaxis? b) What is the relation between f(x) and tan x at points x cannot equal 0 at which f(x)=0? c) What is the behavior of
asked by Nikki 
Windows 7
Is there anybody who understands the Windows 7 system and some of its problems? I'm having a tough time with Control Panel because it takes a REALLY long time to load, and it should load for a second. I may have to uninstall some programs and/or delete
asked by AL 92 
Physics (Final Review)
Ok so tomorrow is my Physics final and I have so much depending on this one test ( all my other grades are 80 and above but this one is a low 70). I have studied for the final but if anyone could supply me with a list of most know formulas for physics I
asked by Pablo 
Chemstry
A 5.00 gram mixture of CaO and CaCO3 is heated strongly. After heating, the mixture has a mass of 4.00 grams. What % of the original mixture is CaCO3?
asked by Paul 
math third grade
There are 40 people at a picnic. There are 4 more children than adults. How many of each are there?
asked by Gab 
Polynomial
Create a polynomial that describes the perimeter of the outside figure: x + 8, 5, x, x, 2x, x + 8, 34 and inside figure: x + 12.
asked by Judith 
college maths
Translate and solve. A number n increased by 1/4 gives 1/9. Find n. (Points: 5) n=1/9 n= 5/36 n=1/36 n=1/18 is it B
asked by lisa 
Linear Algebra, orthogonal
The vector v lies in the subspace of R^3 and is spanned by the set B = {u1, u2}. Making use of the fact that the set B is orthogonal, express v in terms of B where, v = 1 2 13 B = 1 1 2 , 1 3 1 v is a matrix and B is a set of 2 matrices
asked by Kay 
Physics
Lisa drops a stone from a wall that is 7.00m from the ground. How long is the stone in the air?
asked by pooja 
psychology
What comparisons can you make between psychoanalytical models and functionalism? Select one topic from each and tell why you don't support it. Select one topic from each and explain why you do support it.
asked by Nicke 
8th grade math
Can you please check my answer? A spherical balloon has a volume of 268 cubic cm. If more air is pumped in so that its radius is 3 times as long, what is its new volume? My answer: 2,412 cubic cm
asked by Elizabeth 
english
1. The element of argumentation that deals with the listeners desire to trust and believe in the speaker is called a. ethos b. pathos c. logos d. mythos One element of argumentation involves an appeal to the logical and rational side of human beings. This
asked by jennifer 
world history
why did the united states seek to become a world power in the 1890'S?
asked by danny 
hisory
Many historians argue that the vietnam war in Vietnam was a profoundly disillusioning experience for Americans. Would you agree? Did the Vietnam experience signal a fundamental shift in the American foreign policy? what have been the consequences for
asked by ally 
ap chemistry
a gas has a pressure of 1.1 atm occupies a volume of 24 liters. What will the pressure be if the gas has a final volume of 19 liters at constant temperature?
asked by tamara 
chem
A gaseous compound has the following composition by mass: C, 25.0%; H, 2.1%; F, 39.6%; O, 33.3%. Its molecular weight is 48 g/mol
asked by chemistry 
7th grade
Okay, so what are the axiom names? (honors math) Should this go in the 8th grade place? Oh well...
asked by Chloe 
algebra
3/8+y=3/16
asked by please help 
Physics
A stretched string fixed at each end has a mass of 41.0 g and a length of 8.80 m. The tension in the string is 41.0 N. Nodes Antinodes b.What is the vibration frequency for this harmonic?
asked by Maryann 
math
The volume of a ball is 288 pi cm^3. Find the dimensions of a rectangular box that is just large enough to hold the ball. use 3.14 for pie
asked by cynthia 
Physics
A rocket moves upward, starting from rest with an acceleration of 35.0 m/s2 for 5.63 s. It runs out of fuel at the end of the 5.63 s but does not stop. How high does it rise above the ground?
asked by Monty 
Math
In a twelveteam bowling league, if every team plays every other team four times during the season. How many games must be scheduled?
asked by Jay 
CHEMISTY
Determine the molarity of sodium cations in solution when 6.21 g of sodium sulflate are mixed with 2.97 g of sodium nitrate in pure water to produce 350.0 mL of solution.......please explain every step. thanks!
asked by Jenni 
11th grade
20xsquared+40 x+15=0
asked by bob 
Government
A bill has been approved in the House and Senate, albeit in slightly different versions. The bill now goes to ??
asked by Margaret 
s.s
what are the geography bee questions and answers of 2010
asked by yuku 
math
what fraction would you use to find 33 1/3% of 42
asked by die prealg die!! 
college
Tace the impulse, listing the steps in as much detail as possible, from which your brain sends the message to the approprirate muscles to lift a glass of water to drink. As in the previous Application Assignment, detail the steps involved in the
asked by hooper 
Chemistry
All amino acids (choose the correct choice) a) have the same side chains b) form zwitterions c) have the same isoelectric points d) show hydrophobic tendencies e) are essential amino acids
asked by Lindsay 
math
how would you write 0.316 in expanded form
asked by Anonymous 
inter med algebre
these were extra credit quest to help grade but i could not do these i asked so many people there were stumped can who gets this ques can u do the whole promlem pleasw. Questin; Pick a car and finf its top speed . Assuming that your chosen carnreaches its
asked by Linda P* 
Math
Andy was on his way to a marble tournament when he met Bob. Andy's bag of marbles was heavy, so he gave Bob 1/2 of his marbles plus 2. Then he met Alex and gave him 1/4 of his remaining marbles plus 5. Just before arriving at the tournament, he met Emily
asked by Anonymous 
RSNHS
What is the limit of 12x^2 2cosx + cos^2x all over x^2? please answer ASAP. TY
asked by monique 
math
which has a greater area, a circular garden with a diameter of 20 meters or a square garden with sides with sides that are 20 meters long
asked by crystal 
Chemistry
If you dilute 45.5 mL of 9.0 M Na3PO4 to a final volume of 200 mL, what is the final concentration in units of molarity?
asked by Stevi 
Physics and chemistry
Chapter 1 & 2 Review Questions 1. Compare and Contrast the two main branches of physical science. 2. Distinguish between scientific laws and scientific theories. 3. Describe the steps of the scientific method. 4. Explain the objective of a consistent
asked by mido 
physicis
How far will 350 J raise a 7kg mass?
asked by Andy 
slope algebra
given ab and its midpoint m. the coordinates of a are (10,3) and the coordinates of M are (4,1) a. find the coordinates of B. b. find the slope of am. c. find the slope that is perpendicular d. find the slope that is parallel e . write the equation of
asked by SKipper 
math
Find the age, to the nearest month, of the people in your class. Use the average age in months as your zero and positive and negative numbers to write the age of each person in relation to the average. Work in a group to find a good visual way to display
asked by bb 
Math
What is th evalue of x when y = 7 2 3x +4y1=0
asked by Karri 
calculus
the tangent line to the curve y=1/3(x^3)3x^2+11x+15 is parallel to the line 9x3y=2 at two points on the curve.Find the two points.
asked by Joseph 
Finance
A U.S.based firm is planning to make an investment in Europe. The firm estimates that the project will generate cash flows of 200,000 euros after one year. If the oneyear forward exchange rate is $1.40/euro and the dollar cost of capital is 9%, what is
asked by KEVIN 
Calculus AB
Analyze the function ln x=cx^2 to find the unique value of c such that there is exactly one solution to the equation. To do this find the value of c such that both sides of the equation have equivalent slopes at some point; this will give you a proper
asked by jessica 
math
judy and ramey have 42 stuffed animals. judy has 12 fewer animals than ramey. how many animals does each girl have?
asked by Anonymous 
math
Solve for y: 12+11=32y
asked by laura 
geometry
if in a parallelogram ABCD, m angle b=8x25 an m angle c=7x+55 how do i solve this probblem
asked by Mitchi montanna 
MATH please help!
which set is infinite? P = {positive numbers less than 60} Q = {whole numbers between 10 and 20} R = {intergers ge=reater than 18} S = {even numbers between 5 and 15} P, Q, R, or S
asked by Angel 
Math
write a number pattern for 8 starfish each has 5 arms.
asked by Alexis 
science
explain what will happen to butter taken out of the refrigerator and placed in a 38 degrees celsuis room?
asked by Brenda 
chemistry
Consider the hypothetical elements X and Y. Suppose the enthalpy of formation for the compound XY is ƒ{336 kJ/mol, the bond energy for X2 is 414 kJ/mol, and the bond energy for Y2 is 159 kJ/mol. Estimate the XY bond energy in units of kJ/mol.
asked by chemistry 
college maths
Write as a product of factors; then find the product. (Points: 5) 0 90 675 150 I think the answer is C but im confuse any other opinions please?
asked by lisa 
mathematics
What is 5% of $1,500.00.
asked by Anonymous 
algebra
solve by graphing 2x+y=1 and xy=2
asked by Tami 
algebra
9z=8
asked by please help 
college maths
Ann and Grace mow the yard for $38 each mowing. During one summer they mowed 2 times and spent a total of $10 on gas. The girls split their earnings. How much did each girl receive? (Points: 5) $33 $38 $66 $76 this one is confusing its either C or D bt
asked by lisa 
computers
What ideas can you propose for the future of processor design? What do you think the limit of clock speed for a processor will be? How could a CPU communicate more quickly with memory? What could future cache designs look like? I've been looking in Google
asked by Confused 
Physics
A person places the speakers 4.0 m apart and connects a signal generator to both speakers that produces a single and consistent tone. (constant wavelength and frequency) He then walks to a point that is 2.0 m from one speaker and 2.3 m from the other. At
asked by Ann 
ChemistrypH problem
If a weak acid has a dissociation constant of 6.4 x 10(6), what is the pH of a solution of this acid in 0.10 molar concentration?
asked by Maddy 
social studies
Why were their beliefs different?
asked by panhia 
Areas of squares and rectangles
a square with a side of 27 miles
asked by Anonymous 
math
Subtract. x+4x1/3x  2x+2/3x
asked by yvonne 
algebra
Multiply. 2x1/3x * x+1/2x
asked by yvonne 
chemistry
Describe how a 250.0 mL aqueous solution of 1.50 M MgCl2 is prepared from a stock solution of 6.00 M MgCl2. ANSWER: Measure 62.5 mL of the stock solution into a container and dilute to 250.0 mL so what i need explained is where did 62.5 mL come from?
asked by Stacy 
Physics
A rocket moves upward, starting from rest with an acceleration of 35.0 m/s2 for 5.63 s. It runs out of fuel at the end of the 5.63 s but does not stop. How high does it rise above the ground?
asked by Monty 
algebra
Solve. 2x1/x=4
asked by yvonne 
Spanish III for Whitney
I have a suggestion for you on the last post of Dec. 9. http://www.jiskha.com/display.cgi?id=1291947185 Sra
asked by SraJMcGin 
Pharmacology
Hi i need help on these two puzzle words. 1. Dropping of a liquid on or into a body part _ n _ t _ _ _ _ _ i _ _ [12 words] 2. A precise and detailed plan for the regimen of therapy for a patient _ r _ _ _ _ _ _ [8 words]
asked by Anonymous 
Pharmacology
Hi i need help on these two puzzle words. 1. Dropping of a liquid on or into a body part _ n _ t _ _ _ _ _ i _ _ [12 words] 2. A precise and detailed plan for the regimen of therapy for a patient _ r _ _ _ _ _ _ [8 words]
asked by Anonymous 
US History
For decades, America has been locked in hostile confrontation with the two great Communist powers, the Soviet Union and the People's Republic of China. We were engaged with the one at many points and almost totally isolated from the other, but our
asked by Anonymous 
English  Fools Crow
Hello! Has anyone read the novel Fools Crow by James Welch? I just need your personal opinions on the question: Does the novel also rewrite the dominant history? This is not my homework. I am not a student I am just discussing this book with some people
asked by marky 
science
I am SOOOO stuck on this science question!! It's not that hard but, science isn't my forte..... here it is...." If the mass of the brick is 50 grams and it's volume is 9cm cubed, calculate the density of the block using the formula D = m/v." HELP
asked by Rachel Bond 
chemistry
a 52.0 gram sample or water increases in temperature due to the addition of a hot metal from 17.7 degrees C to 24.4 degrees C. How many calories has the water absorbed? how many calories did the metal lose?
asked by ashley 
11th grade
You push a 250 kg desk with a force of 800N. The coefficient of friction is 0.2. What is the acceleration of the desk?
asked by Leonardo Figueroa 
chemistry
give the name and formulas of the compounds that rust is composed of
asked by jjredick 
Chemistry
Which one pair has the larger radius?Explain? a. Calcium atom or calcium ion b. Aluminum ion or Magnesium ion
asked by Anonymous 
APMEH
What does the book mean when they say..."the nobles pushed to reserve appointments to the officer corps of the armies, the bureaucracies,the government ministries, and the church exclusively for nobles"? This is during the 18th century
asked by Jessica 
calculus
A ceiling in a new home rises 8 feet over a distance of 29 feet. Find the slope of this ceiling. Round your answer to two decimal places
asked by Krystle 
math
What two numbers have a product of 3.6 and a sum of 3.8?
asked by william 
science
the temperture in which all motion of particles stop
asked by matt 
calculus
what is the gradient of 2y3x=21
asked by Iasia 
chemistry
when 50 g of H2S reacts with 50 g of O2, how much SO2 will it produce?
asked by John 
science
Chapter 1 & 2 Review Questions 1. Compare and Contrast the two main branches of physical science. 2. Distinguish between scientific laws and scientific theories. 3. Describe the steps of the scientific method. 4. Explain the objective of a consistent
asked by jack 
AlgebraReiny please explain this
Hi Reiny, I posted this problem earlier and you responded but I don't get the reasoning The problem was 2log8(x+1) = 8 you said multiply by 2 and then you put log8(x+1)=4(wasn't that dividing by 2) log8(x+1)^2 = 8 (how did you get to the power of 2
asked by Anna 
11th grade
Joe wants to draw a triangle.the lengths are 5cm,12cm,and 13cm. A:will joe be able to draw the triangle?why or why not?
asked by Anonymous 
Biology
Which of the following is NOT found in the human central nervous system? A) hypothalamus B) forebrain (cerebrum) C) autonomic neurons D) medulla E) spinal cord
asked by Bee 
ESL
what are Advantages and disadvantages of "sports day"?
asked by sweetie 
Math
i have to write this out in word form because it doesn't look rite when i use numbers... What is the value of X when Y=7? Problem: negative threeX to the 2nd power plus fourY minus one equals zero 2 3x + 4y  1 = 0
asked by Kerri 
geometry
if x, x+3 and y are the lenghts of the sides of a triangle then _
asked by dalton 
marketing
7) The marketing mix
asked by Anonymous 
statistics
Suppose you have a data set that is normal and with a mean of 78 and a standard deviation of 9. Within what range would you expect to fine 95% of the data?
asked by Razz 
Geometry
Given triangleABC is congruent to triangleXYZ, if AB=3X1, BC=5X+2, XY=7, and YZ=14, find X.
asked by Marcus 
social studies
i need info on iran's nuclear program asap so can u tell me were to get it
asked by joshua 
science
please help me unscramble oaoptvaien,aionitnrptsa rawdoungete & ntsiocnndeoa
asked by t 
Statistics
How do I go about giving a definition for wages and wage earners in quantifiable measures. Need help!!
asked by Tee 
maths
L =4 piesign Cx(x is below the line, solar constant) d squared Make d the subject
asked by joleen 
algebra
there are people walking their dogs at a park. There are 30 heads and 68 feet at the park. Write out the algebraic equations for this problem. Use P to stand for the number of people and D to stand for the number of dogs.
asked by mary 
math
16g of mix for each litre of water so how many grams in 100ml
asked by megan 
physics
the rate at which position changes with time is called acceleration. true or false?
asked by bryanna 
physics
the rate at which position changes with time is called acceleration. true or false?
asked by bryanna 
Physics
How do you determine the average velocity on a positiontime graph?
asked by pooja 
physics
the rate at which position changes with time is called acceleration. true or false?
asked by bryanna 
art
there are 6 hues called ____ hues what are they and how are they made?
asked by mary 
college maths
Simplify 5+1/3 1/3 1/3 {1/9+1/9} 4 1787/2187 4 1792/2187 4 1784/2187 4 22/27 Is D the best choice not sre for this one
asked by lisa 
Physics
What factors affect the period of a pendulum?
asked by pooja 
MathMate  look at this
perhaps you can shed some light on this I seem to have a "mental block" here. http://www.jiskha.com/display.cgi?id=1292296754
asked by Reiny 
Physics
How do the initial and final horizontal velocities of a projectile compare?
asked by pooja 
Math 7th grade
40/n = 28/22 what is n?
asked by Ruben 
physics
what are the units for speed and gravity?
asked by bryanna 
english
do we need a comma after "me" and capitalize "Now" She also said to me "now I have trouble with understanding the importance of following my nutritional diet?"
asked by blaze 
French
En quoi se distingue l’anthropologie comme métier de l’anthropologie pratiquée comme une science ? What does this mean?
asked by Jessica 
algebra
6x2x+8=x+5
asked by Anonymous 
Precalculus
Find sin(θ), cos(θ), tan(θ). Assume a = 40, b = 9, and c = 41.
asked by Anonymous 
History
What was "the late war" ? (My teacher said it's not Vietnam....) Thank you
asked by APpreciative student 
biology
how are energy and enzymes involved in biochemical reactions
asked by ajdgnajsdlgsdg 
english
In this sentence, I think i need a comma after asking, right? When the communication was poorly understood,the nurse clarified the female patient's meaning by asking “I am not sure that I understand what you mean by 'depressed than usual’?"
asked by blaze 
college maths
subtract. 10 3/52 10/11= 8 38/55 7 743/55 7 38/55 Is D correct??
asked by lisa 
math
If a television produces a 8ms response time, and there are 1000 ms in one second, how many frames would lag per second is there in a 60 frames per second video game?
asked by Raam 
Precalculus
Solve the triangle ABC under the given conditions. a = 19, b = 8.2, c = 12 A= B= C=
asked by Johnathan 
Math
my problem is: From the box containing 5 red balls, 7 blue balls, 10 black balls. you select 4 balls what is the probabilty that EXACTLY 2 balls are black. so i know how to start it c(10,2)c(2,1)  c(22,40 but how do you solve that ?
asked by Katia 
Math
How do you write a quotient that gives the same answer as 4.65\ 0.12?
asked by Breya 
math
what is the answer to g(x)=(5x6)=2 when g(x)=b?
asked by lorretta 
child care
thanks bobpursley ok 6 is not b so i think is a? and 20 if its 2530% its b?
asked by tiffany 
Algebra
How do I start to solve 2log8(x+1) = 8? I think 2log8(x+1) is log8^(x+1)to the 2nd but then what do I do because then I think I should do log8/log8 = x+1)^2 but that doesn't work at all Thank you for any help you can give
asked by Anna 
social studies
how did native americans use the land and other mined resources?
asked by panhia 
social studies
How did the europeans settlers use the land and other mined resources?
asked by panhia 
math
Find sin(θ), cos(θ), tan(θ). Assume a = 40, b = 9, and c = 41.
asked by Maryann 
Physics
A rocket moves upward, starting from rest with an acceleration of 35.0 m/s2 for 5.63 s. It runs out of fuel at the end of the 5.63 s but does not stop. How high does it rise above the ground?
asked by Monty 
Physics
A rocket moves upward, starting from rest with an acceleration of 35.0 m/s2 for 5.63 s. It runs out of fuel at the end of the 5.63 s but does not stop. How high does it rise above the ground?
asked by Monty 
algebra
(y4)(y9)=5y
asked by Anonymous 
Math
Add. 2z2/3 + 3x+5/3
asked by Sabrina 
ALGEBRA/please help
I must simplify this expression. Am I correct? 4[25(93)]. I first subtract within the parentheses first 4[25(6)] 4(31) = 27
asked by Jessica 
math
Add. 2x/5 + 3x1/x
asked by yvonne 
college
Describe your experience with credit and credit cards in a brief paragraph using at least five adverbs and five adjectives in your description. Bold the adverbs and underline the adjectives
asked by Dickens 
Social Studies
Do mountains run through the majority of North Korea?
asked by Agent nonya 
physics
 a 40 kf milk crate is placed on a 20◦ ramp. determine the force normal of the mil crate on the ramp.
asked by Anonymous 
math
Multiply. 3x3/2x2 * 4x/3
asked by yvonne 
algebra
Simplify. x^2+3x+2/x^22x3
asked by yvonne 
Math SOMEONE PLEASE PLEASE PLEASE HELP
Find sin(θ), cos(θ), tan(θ). Assume a = 40, b = 9, and c = 41. (Do not use mixed numbers in your answers.)
asked by Maryann 
ALGEBRA
I believe this answer to be correct. Just need to know. 13
asked by Amy 
Math
my problem is: From the box containing 5 red balls, 7 blue balls, 10 black balls. you select 4 balls what is the probabilty that EXACTLY 2 balls are black. i know that you start it/set it up like this: c(10,2)c(2,1) divided by c(22,4) and i can get the
asked by Katia 
english
where can i find some reason to support this opinion "high schools should not only prepare students for college, they also need to help them prepare future possibilities."
asked by 000 
4th grade
what is 27×19 in expanded algorithm?
asked by samantha 
7th grade
for a science project what questions can you ask about things that has to do with scientific process and how to solve it through forming hypothesis and give evidence about it like a question about population or something..
asked by kiana 
Math SOMEONE PLEASE PLEASE PLEASE PLEASE HELP
Find sin(θ), cos(θ), tan(θ). Assume a = 40, b = 9, and c = 41. (Do not use mixed numbers in your answers.) Okay for some reason I keep getting this problem wrong. For sin(θ) I put 9/41, but it's wrong. Could someone please tell what I did wrong.
asked by Anonymous 
Algebra 2
How do I find the inverse of a linear relation represented by the points (2,4) (6,8) (3,9) (7,8)?
asked by Johnna 
geometry
determine why Euler's formula continues to hold for the polyhedron formed by cutting corners off of an octahedron. a) for an octahedron V=__, F=__,E=__ b) when you slice off one corner of the octahedron, you (gain or lose)__ edges. C) therefore, the total
asked by m 
social studies
Why were the Europeans beliefs different
asked by panhia 
social studies
could someone tell me about an intresting place to visit in washington d.c. that starts with a cz
asked by francis 
math
What are deriviatives
asked by Jonathan 
2nd grade
Correct the sentences 1. Will you make cards for Valentines Day? 2. The teacher read Charlottes Web to the class in April. Thank you.
asked by thommini 
marketing
Calculate a forecast of the above demand using a 3 and 5period moving average.
asked by Anonymous 
hum 176
Choose a form of popular media that you are passionate about. The media may be music, a book, or a movie. · Write a thesis sentence stating how and why it is more than just a piece of entertainment. The thesis must include why it is a legitimate form of
asked by vanessa 
Math
please show how you would divide 35.6728 by 5.246
asked by Kelly 
l.a
flowers for algernon trail play what are some questions to ask if you are the prosecution in the play to the doctors who did the operashun on Charlie in the story
asked by yuku 
prealgebra
find the total amount in the compound interest amount. $6350 is compounded semiannually at a rate of 18% for 16 yrs. (round to the nearest hundredth as needed)
asked by sarah 
history
What were some of the economic issues that President Carter faced during his Presidency?
asked by Anonymous 
chemistry
give the name and formulas of the compounds that rust is composed of
asked by jjredick 
social studies
how did the european settlers use the land and other mined resources?
asked by panhia 
6th grade
Why did people consider Nerfertiti a goddess?
asked by Anonymous 
English
Alright I'm writing an MLA Essay about Through The LookingGlass, a sequel to Alice's Adventures in Wonderland by Lewis Carrol. I'm basically writing about how it is indeed a sequel to the first book and comparing the two. I'm not sure how to start it and
asked by Pat 
math
how would one divide the following, with full steps shown: 1+1/√3 ÷ 11/√3
asked by harvey 
Calculus
dy/dx[tan(y)=x=y] in terms of y the answer my teacher got was cot^2(y) but i get is 1/[sec^2(y)1] either i made a mistake, my teacher made a mistake or we're both right and i just need to simplify. please tell me which of the following is the case and how
asked by dazed and confused 
Finance
How to build a 90% Confidence Interval for Profit (When price competitor Pc=5, Wage W=$11)
asked by Cindy 
COLLEAGE ALEGEBRA
QUES # 1 a STARTUP COMPUTER CAN SELL 1000 COMPUTERS IF THEY PRICE THEM AT $500. tHE NUMBER SOLD WILL INCREASE BY 10 FOR EVERY $1 decrease in the price. The company has fixed costs of $100,999, and each computer costs $300 to produce, Find the price that
asked by Linda P* 
economics 212
Which of the following pairs are examples of substitutes? a. popcorn and soda b. automobile and bicycles c. boats and fishing tackle d. wine and cheese
asked by Anita fields 
English
1. The food is thought to be made from eggs. (Is this sentence grammatical?)
asked by rfvv 
math
were less than 50 lunches eaten in aweek? is the ans an estimate or exact?
asked by esha 
Geometry
how would solve this inequality 106>19p+6+6p
asked by Sonshine 
Calculus II
Suppose that y = f (t) satisﬁes the diﬀerential equation dy/dt=y(2−y) and initial condition f (0) = 1. Find an explicit expression for f (t).
asked by Joe 
science
what are the global winds that effect north america?
asked by sally 
Math
I am a 5digit whole number. I have 4 different digits. There are no 7s or 5s and I only have one 2. My hundreds digit is the least. My tens digit is odd and is the sum of all the other digits. What number could I be?
asked by Travis 
8th grade
I want write in english please help me
asked by bina 
physics
In 37.0 s, a pump delivers 552 dm3 of oil into barrels on a platform 29.0 m above the pump intake pipe. The density of the oil is 0.82 g/cm3. (a) Calculate the work done by the pump. (b) Calculate the power produced by the pump
asked by candace johnston 
medical terminology
Could someone please check my answers. If they are wrong could you give me the correct answer or tell me where to find it..Thanks in advance for all your help... 1.Uremia is the result of A. electrolye imbalance in the intracellular body fluids. B. a high
asked by PAT 
chemistry
What is the boiling point of the solution in which you are going to cook spaghetti if it contains 51.0 g of NaCl dissolved in 1.30 L of water? Assume the density of water is 1.00 g/mL. Use molar masses with at least as many significant figures as the data
asked by jim 
math
1/2x+1/3y=5 1/4x+1/3y=4 elimination method
asked by dawn 
Social studies
What are The five basic terms associated with gender and sexuality are?
asked by Juice 
math 5TH GRADE
Beth has 60 toy cars and trucks 75% of them are blue.How many are blue?
asked by arjel 
Science
what creates the circulation of air or water that forms from uneven heating?
asked by Serena 
English
Thank you very much for your corrections. Here are some more sentences for you to check. 1) Queen Victoria ascended the throne in 1837 and reigned constitutionally until she died in 1901. She never overruled (synonym?) Parliament and was beloved (synonym?)
asked by Franco 
college maths
Find the LCD and add the fractions. 1/125 + 4/50= 11/24 1/1250 1/35 551/6250 (Points: 5) im not getting the concept of this some help is really needed please
asked by lisa 
PreCalculus
translate this polar equation into a rectangular form: rsin(2theta)=sin(theta) My answer: r2sin(theta)cos(theta)=sin(theta) 2rcos(theta)=1 2x=1 x=1/2 This is the only answer I can get and someone told me it's wrong. Would someone please help me with this
asked by Sara 
physicis
How much power does it takes to do 104 J of work in 8 seconds
asked by Andy 
geo (finals)
please help! i don't get these problems at all! a(4,3) b(7,4) and c(5,2) are midpoints of a triangle. find the coordinates for the vertices of the triangle!
asked by Skylar 
Algebra II
How would I write log(6)272log(6)3 as a single logarithm I'm confused on this one Thanks for any help you can provide
asked by Matt 
Aims Math
what is the contrapositive of this statement "If two polygons are congruent, then they are also similar"
asked by angel 
college
4y to the 5th power 81q to the 7th power ________________ X ___________________ 9q to the 2nd power 16y .
asked by Anonymous 
5th grade
how old was Anne when she died
asked by danaya 
college math intermediate alg
4y to the 5th power 81q to the 7th power ________________ X ___________________ 9q to the 2nd power 16y .
asked by kathy 
math
2 1/4 double
asked by mark 
algebra
10d=19 What is d? I think it is 9.
asked by Bob 
geometry
The sum of the measures of the interior angles in a polygon is 540 degrees. How many sides does the polygon have?
asked by Carl 
math
which set is infinite? P = {positive numbers less than 60} Q = {whole numbers between 10 and 20} R = {intergers ge=reater than 18} S = {even numbers between 5 and 15}
asked by Lisa 
chemistry(help please)
Which acid,if it reacts in tincture of NaOH forms sodium hypochlorite?
asked by Vlera 
Physics
A person places the speakers 4.0 m apart and connects a signal generator to both speakers that produces a single and consistent tone. (constant wavelength and frequency) He then walks to a point that is 2.0 m from one speaker and 2.3 m from the other. At
asked by Ann 
geometry
How do I figure out the dimensions of each room in a 1200 square foot house with a closet and bathroom the same size, a big family room, and two circular bedrooms?
asked by avery 
physics
Why does a 10 gram bullet have more momentum traveling at 200m/s than at 20m/s?
asked by Brianna 
English
Can you please check these sentences for me, please? Thank you very much. 1) The Victorians fostered the ideas of racial superiority. They believed that race were divided by both physical and intellectual differences. 2)As a consequence, some races were
asked by Franco 
college algebra II
using the quadratic equation solve: y^2+16+64=0
asked by April 
MATH
FIND THE DIAMETER AND CIRCUMFERENCE OF A CIRCLE THAT HAS A RADIUS OF 1.7 USE 3.14 FOR PI
asked by MASON 
social studies/writing
could someone give me information on the top 20 washington d.c landmarks.please.
asked by Arshely