Questions Asked on
October 28, 2011

algebra
A rectangular piece of cardboard measures 17cm by 14cm. Strips of equal width are cut off one side and one end. The area of the remaining piece is 108cm^2. Find the width of the strips removed.
asked by Samuel 
physics
A stationary bicycle is raised off the ground, and its front wheel (m = 1.3 kg) is rotating at an angular velocity of 14.0 rad/s (see the drawing). The front brake is then applied for 3.0 s, and the wheel slows down to 2.7 rad/s. Assume that all the mass
asked by Anonymous 
science
how many kilojoules of heat must be transferred to a 480 g aluminum pizza pan to raise its temperature from 22 degree c to 234 degree c? The specific heat of aluminum in this temperature range is 0.97 J/g degree C.
asked by Justin 
Chemistry
Predict the formal bond angles about the central atom for the following molecules: TeBr4 Express your answers using three significant figures separated by a comma. What are the bond angles for an octahedral structure and how many?
asked by Caitlin 
math
a figure skater must trace a figure eight on the ice that consists of two perfect circles, each with radius 11 feet. How far does the skater go one time around the figure eight?
asked by unknown 
Calculus
The manager of a large apartment complex knows from experience that 80 units will be occupied if the rent is 460 dollars per month. A market survey suggests that, on the average, one additional unit will remain vacant for each 10 dollar increase in rent.
asked by Anonymous 
math
An arcade uses 3 different colored tokens for their game machines. For $20 you can purchase any of the following mixtures of tokens: 14 gold, 20 silver, and 24 bronze; OR, 20 gold, 15 silver, and 19 bronze; OR, 30 gold, 5 silver, and 13 bronze. What is the
asked by laurie 
math
Jason earns 30 cents for every carrot he sells. He earns an extra $3 for every 30 carrots he sells.How many carrots must he sell in order to earn $555?
asked by Anonymous 
English Composition
penn foster exam number 05054100 need all the answers.
asked by moo 
math
The sum of the first 9 terms of an A.P is 72 and the sum of the next 9 terms is 71, find the A.P
asked by Anonymous 
science
What pressure is exerted at the bottom of a tube of mercury 15 cm high?
asked by Steve 
implicit differentiation HELP
x^3 + y^3 = 6xy At which point is the first quotient of the tangent is horizontal?
asked by Yousef 
math
A draw contains 3 black socks and 2 white socks. A sock isdrawn at random and then replaced. Find each probability. p(2 black) p(black, then white) p(white, then black) p(2white)
asked by sherry 
Geometry
Find the value of X: Given: segment RS is congruent to segement ST, measure angle RST = 7x54, measure angle STU = 8x
asked by Kirby 
math
Jan says if you double each of the dimensions of a rectangular box, it will take twice as much wrapping paper to wrap it. How do you respond?
asked by unknown 
Algebra 2
When x²  3x + 2k is divided by x + 2, the remainder is 7. Find the value of k. Use synthetic division to do so.
asked by Peter 
Math
Maria has $5.05 in quarters and dimes. The number of quarters exceeds twice the number of dimes by 1. Find the number she has of each kind.
asked by Emily 
trig
guy wire is attached to a pole for support. If the angle of elevation to the pole is 67° and the wire is attached to the ground at a point 137 feet from the base of the pole, what is the height of the pole (round to 2 decimal places)?
asked by shye 
Sociology
I would like to get a better understanding of Emile Durkheim's suicide study and its importance for a test next week.
asked by Alex L. 
Biology
1) What is the minimum number of single nucleotide substitutions that would be necessary for each of the following amino acid replacements? a. trp > lys b. met > his c. tyr > gly d. ala > asp 2) A mutation is isolated that can not be induced to revert.
asked by Jim 
trig
(3 tan^2x1)(tan^23)= 0 can someone please explain how to do this problem and then explain the whole pie thing at the end...like, this is suppose to equal pie/6 b/c it's tan...im soooo confused.....
asked by help? 
Geography
If the time of town A along 75W is 5:00pm on friday what the time and day be at town B (along 120E)
asked by Saidu 
physics
a 160g hockey puck slides horizontally along the ice, and the coefficient of kinetic friction between puck and ice is 0.15. if the puck starts sliding at 3 m/s before it comes to a stop it travels 3.6m how do you get to this answer?
asked by annie 
Composition
For this assignment you are to look at the ways courtship rituals have (or have not) changed over the last generation or two. In order to do this, you will be required to spend some time interviewing a parent, grandparent, or another member of an older
asked by Scott 
8th grade Math
Bob is reading a 300page book. After one hour, he had finished 8% of the book. Assuming that he reads at a constant rate, how many more hours will it take him to read the rest of the book?
asked by Anonymous 
math/ algebra?
a lab technician draws a sample of blood. A cubic millitmeter of the blood contains 22^3 white blood cells and 22^5 red blood cells. What is the ratio of white blood cells to red blood cells?
asked by Maggie 
geometry
Triangle ABC with an area of 243 cm2 is similar to WXY. If BD = 18 cm and XZ = 4 cm, what is the length of segment WY?
asked by saikara 
Math
Mr.Santiago brought 10 crates of oranges. There were 50 oranges in each crates. He sold 65% of them. 8% of the remainder went bad, and he threw them away. A) How much money did Mr.Santiago earn if he sold the oranges 5 for $1.20 B) If he made $24.15 by
asked by Carrie 
science
a bullet has a momentum of 20kg*m/s How fast would a car weighing 1200 kg should be moving to have the same momentum as the bullet expressed in miles/hr?
asked by ann 
Psychology
It may be difficult to sooth a crying baby who needs to befed and changed with cuddling and toys. The strengthof the physical needs in this situation support: Would the answer be B the incentive approach to motivation
asked by Carol 
science
as 390 g of hot milk cools in a mug, it transfers 30,000 J of heat to the environment. What is the temperature change of milk? The specific heat of milk is 3.9 J/g degree C.
asked by Justin 
statistics
Find the value of zα/2 to construct a confidence interval with level: a. 95% b. 98%
asked by Ayuda!!! 
social work
My Question is “ What is a mediation model” Locate and read an article in the University Library related to a mediation model. Write a 350word summary of your article. Be sure to address the following your summary: • Identify the setting and
asked by Mary 
chemistry
Ethanol and carbon dioxide have approximately the same molecular weight, yet carbon dioxide is a gas at STP and ethanol is a liquid. How do you account for this difference in physical property?
asked by Anonymous 
calculus
5) Find the points on the curve below at which the tangent is horizontal. Use n as an arbitrary integer. (Select all that apply.) y=Sin(x) / 2+ Cos (x)
asked by Robyn 
Math
The market trades in three fixedincome securities: A, B, and C. Security A is a 2year bond paying 40 at date 1 and 80 at date 2. Security B is a 1year bond paying 50 at date 1. Security C pays 30 at date 1 and 40 at date 2. Prices are pa=100, pb=45 and
asked by Lou 
biology
list two types of active transport that use specific protein recognition
asked by joe 
biology
what is the promoter sequence for transcription? in regards to nucleotides
asked by joe 
geometry
a phone company charges a flat monthly fee of $15 for cell phone services, plus an additional fee for every minute you talk. in a given month, you are charged $36 for the 24 minutes you talked( not including the $15 flat fee.) let the total cost be c(in $)
asked by abigail 
chemistry
a 100 cm cube gas cylinder filled with chlorine under 160 torr pressure is connected by stop clock with another cylinder of 400 cm cube filled with nitrogen under pressure of200 torr. what will be total pressure when stop clock is opened?
asked by afshan 
chemistry
a 100 cm cube gas cylinder filled with chlorine under 160 torr pressure is connected by stop clock with another cylinder of 400 cm cube filled with nitrogen under pressure of200 torr. what will be total pressure when stop clock is opened?
asked by afshan 
Maths  Circular Motion
One end of a string of length 1m is attatched to the rim of a 2m radius disc while the other end carries a mass of 5kg. If the tension in the string may not exceed 300N. find the maximum speed w in radians/sec and the corresponding angle of inclination of
asked by Candice 
Maths : circular motion
1. A 3 metre piece of string is threaded through a hole in the table. If equal portions of the string are above and below the table, and the top mass of 2kg rotates at 1rev/sec , how fast does the bottom mass of 1kg rotate? (in rev/sec) 2. If, in the above
asked by Candice 
chemistry
One of the byproducts of a reaction is 2methyl2butene. A) Suggest a mechanistic pathway for the formation of this alkene. B) How is this byproduct removed during the purification?
asked by Aly 
Science
Is genetic engineering the answer to ending global hunger?
asked by Akira 
Science
Calculate the pressure exerted on your finger if you hold up a 15pound box of apples.
asked by Steve 
physics
a 50 kg person has a weight of 80 N on the surface of the moon what is the acceleration due to gravity
asked by Lea 
maths
A swimming pool has two identical sides in the shape of a trapezium. All other sides are rectangular. The length of the pool is 12m. The width of the pool is 4m. The depth of the pool is 2.1m at the deep end and 1.1m at the shallow end. Rafa fills the pool
asked by lissa 
physics
a 2500kg truck applies a force of 4000 N to the road to accelerate forward. What is its rate of acceleration?...can someone please help? I got half way and then got really confused what do I do? Thanks
asked by Sarah 
history
what did a diet at the asclepion consist of?
asked by lissa 
Physics
An arrow is shot at 29.0° above the horizontal. Its initial speed is 54 m/s and it hits the target. (a) What is the maximum height the arrow will attain? (b) The target is at the height from which the arrow was shot. How far away is it?
asked by Alex 
history
what treatments (natrual) would you find at the Asclepion?
asked by lissa 
Chemistry
Calculate the mass of solid neded to make 500ml of solution that is 0.25m in sulfate ion, using sodium sulfate decahydrate.
asked by Emily 
math
what is the highth of a 30 in.tv that has the width of 24 inches?
asked by katy 
calculus
tan−1(4x2y) = x + 5xy2
asked by DeVonne 
Calculus
(y/(x+9y))= (x^2)7 at the point (1, 6/55) Use implicit differentiation to find the slope of the tangent line to the curve
asked by DJ 
Physics
An arrow is shot at 29.0° above the horizontal. Its initial speed is 54 m/s and it hits the target. (a) What is the maximum height the arrow will attain? (b) The target is at the height from which the arrow was shot. How far away is it?
asked by Alex 
math
ray makes an array that has 4 rows of 4 counters. he wants to make two more arrays using the same number of counters. he wants more than one counter in each row. what two arrays can he make?
asked by hadyn 
biology194
compare the regulatory roles of LH and FSH?
asked by Mark J 
social science
compare the believe systems of the khoikhoi with the early african farmers focus on the moon, singing and dancing, musical instruments and story telling
asked by priscilla 
calculus
find the equation of the tangent line for (xy)^2+(xy)x=11 at the point (11,0)
asked by Anonymous 
math
How do I estimate 791 divided by 38 and use compatible numbers if necessary
asked by destiny 
physics
A rocket of mass 4.45E+5 kg is in flight. Its thrust is directed at an angle of 51.1° above the horizontal and has a magnitude of 7.64E+6 N. Calculate the magnitude (enter first) and direction of the rocket's acceleration. Give the direction as an angle
asked by Nick 
maths
whqt is the answer for i am a number .go round the corners of the given figure times.when you my value with the number of corners you have crossed you get 46
asked by sajith 
chemistry
If you have a solution that is 1.7 M sodium chloride and you have 1 L of that solution, how many moles of sodium chloride do you have?
asked by emily 
Statistics
Could someone help out with this question. The answer is 1842, but i'd like to know how to solve it. Thanks BCC wants to estimate the proportion of its students who are single parents. How many students should BCC survey if it wants to be 99% confident
asked by Jay Ortwein 
Social StudiesAmrican History
British Taxes  The student will evaluate the cause and effect relationship of British tax policies concerning the colonies. In March 1765, the British parliament announced a stamp tax. Starting that November, American colonists would be charged taxes on
asked by Alice 
English
I need to know what just means in the following Sentance . Do you think this is just Please help even my mom is blank Tx
asked by Zoe 
PHYS
The fundamental resonance on a string is 60 cm length fixed at both ends is 440Hz. What is the speed of a wave traveling on this string?
asked by Fox 
Calculating Chi Squared
I did a biology experiment and I have to use the chi^2 method to calculate statistical significance. I got data at different time points and I just want to make sure what I'm calculating this right. The data I got for one time point are 6 and 23 I know the
asked by Catherine 
Immigration Essay Help?
Can anyone give me a start to my essay? I'm really having trouble starting off the topic sentence. It's about immigration, coming to America. Thank you so much. Allyson
asked by Allyson 
science
What are some synonyms for the word remediation? I looked in the dictionary but do not see any comparsion to the words correction, deficiency or maintenance, assessment. Could any of these words be a A synonym for remediation?
asked by Tameika 
science
Do factors such as temperature, humidity, and air movement make it easier to analyze and measure air pollution?
asked by Tameika 
Chemistry
Quantum numbers: What are the n values that are allowed? I put 1,2,3,4, etc. For the first four of these, indicate the l values allowed. n=1 l = 0 n=2 l = 0,1 n=3 l = 0,1,2 n=4 l = 0,1,2,3 Are these correct?
asked by Hannah 
science
When chronic asthma is caused by air pollution what is this likely because of?
asked by Tameika 
math
x + y = 4 , x + z = 4, y + z = 4
asked by barbie 
physics
A 31.0 kg object slides down a slope which is inclined at an angle of 20.0o to the horizontal. What is the normal force exerted by the slope?
asked by Nick 
statistics
What percentage of the area would the empirical rule say is between 3.00 and +3.00
asked by Anonymous 
science
does it take 96 percent less energy to make an aluminum can from recycled materials than it does to process it from new materials?
asked by Tameika 
Commerce
Antique Arts Company would pay Rs. 2.50 as dividend per share for the next year and is expected to grow indefinitely at 12%. What would be the equity value if the investor require 20% return?
asked by Phani 
Biology
Which of the following is not a benefit of genetic counseling: a.It helps identify parents at risk for having children with genetic defects. b.It assists parents in deciding whether or not to have children. c.It is based exclusively on family pedigrees.
asked by Sam 
science
Considering human beings as part of the natural web of life, rather than managers of it. What is this called?
asked by Tameika 
chemistry(reacting masses)
it is given that there are 2moles of nitrate ions and 1.2moles of iron(II)ions in a mixture of iron(II)nitrate and iron(II)carbonate.Calculate the number of moles of carbonate ions.
asked by Kon 
social studies
How are public policy decisions made? Are the made based on what voters want? Are they made to avoid risk entirely or do they involve a balance of risk and benefits? Or do they include substantial risk? I am not sure.
asked by Tameika 
physics
A 71.0 kg person steps on a scale in an elevator. The scale reads 722 N. What is the magnitude of the acceleration of the elevator?
asked by Nick 
physics
A woman stands on a scale in a moving elevator. Her mass is 57.0 kg, and the combined mass of the elevator and scale is an additional 811 kg. Starting from rest, the elevator accelerates upward. During the acceleration, the hoisting cable applies a force
asked by Nick 
First Nations
Just wanna know, when did the first nations finally get the vote in Canada?
asked by Mysterious 
statistics
Given x = 237;u=220 and s = 12.3 find z Help to at least start this
asked by Amy 
English
Could someone pleasr proofread this for me one last time? Even though people feel as if their past debt management mistakes should not count against them, credit scores are a fair measure to help lenders estimate potential risk because a credit score can
asked by Anonymous 
PHYSICS
A bicycle with 0.80 diameter tires is coasting on a level road at 5.6 . A small blue dot has been painted on the tread of the rear tire. a)What is the angular speed of the tires? b)What is the speed of the blue dot when it is 0.80 above the road? c)What
asked by FizzaAli ASAP 
MATH
3X2Y=27 7X+85=Y
asked by BOBBIE 
Biology 110
by means of a chemical equation, show how the body rids itself of the major endproducts of metabolism. Please explain.
asked by Susan Yi 
Physics
If the pressure outside a window drops by 9.1%, while the pressure inside does not change, what is the force on the window? Assume that the area of the window is 2.3 m2.
asked by Megan 
Biology 110
True or false 1. Warm temp increase the release of CO2 from hemoglobin in the peripheral circulation. 2.Exchange of respiratory gases is by diffusion as a result of concentration gradient. 3. Residual air is necessary to maintain patent alveoli and prevent
asked by Susan Yi 
physics
Consider the window (of area 0.68 m2) of an airplane. If the pressure inside the plane is atmospheric pressure, while the pressure outside is 31 % of Patm, find the force on the window. Ignore the velocity of the airplane (i.e., ignore Bernoulli’s
asked by Megan 
Biology 110
Displacement of O2 from its respiratory pigment: A. occur more rapidly in cold temp. B. occur more slowly when Ph alkaline. C. occur more slowly when O2 tissue level low. D. none of these.
asked by Susan Yi 
Calculus
A fence 4 feet tall runs parallel to a tall building at a distance of 6 feet from the building. What is the length of the shortest ladder that will reach from the ground over the fence to the wall of the building?
asked by Anonymous 
physics
A block of mass 2.50 kg is pushed 2.40 m along a frictionless horizontal table by a constant 14.0 N force directed 25.0° below the horizontal. (a) Determine the work done by the applied force. 1 J (b) Determine the work done by the normal force exerted by
asked by katlyn 
statistics
can normal standard distribution have two modes?
asked by AAS13 
data management
1) solve: a) (2n+1C2) = (nC2)sqaured b) 12(nC2) = n!
asked by jane 
Chemistry
How do you find the number of bond angles for an octahedral structure? I believe it's more than one answer
asked by Caitlin 
english
can somebody tell where the poetic devices are located in the song cant take that away by mariah carey? such as metaphor, mood paradox etc. Mmmmh Whoaaa They can say, Anything they want to say, Try to bring me down, But I will not allow anyone to succeed
asked by jane 
Math
If a is the greatest common factor of 72 and 48, and if b is the greatest common factor of 108 and 144, what is the least common multiple of a and b
asked by Raj 
math
1. You have $55000 to invest, and two funds you would like to invest in. The YouRiskIt Fund yields 13% interest. The ExtraDull Fund yields 7% interest. Because of the college financial aid implications, you don’t think you can afford to earn more than
asked by gaurav 
Greetings
I have a Agility ladder and I do what called fast feet all the way down explain this drill. Physical Education
asked by Michael 
Opinion
Generally speaking, what can we learn from a society's villains faced by its heroes that we can't learn from its heroes? Is it easier for you (personally) to understand what a villain represents than a hero? On a similar note, do you think it's easier to
asked by Anon 
chemistry
for the list of chemicals below, write complete, balanced equations for all possible reactions that would lead to an insoluable salt. KCl, BaCl2, AgNO3, Pb(NO3)2, K2SO4, HNO3
asked by carly 
math
Risa ( 2/3 Hours ) Kerri ( 1 1/2 Hours) Risa finished her workout just as kerri started hers. How long did it take from the time Risa started until Kerri finished?
asked by johnny 
english
is " but I will not allow anyone to succeed hanging clouds over me" a metaphor or paradox or is it something else? is "there's a light in me, that shines brightly" a metaphor? " Iwill rise steadily sailing out of their reach" a paradox? if im not right can
asked by jane 
central science
what is the velocity of a plane that is 475m above the ground, if it drops a dead cat and the cat hits the ground 850m horrizontally from where it is droped
asked by shaya 
data management
1) show that a) 2(2n1 C n1) = (2n Cn) b) n(2n C n) = (n+1)(2n C n+1)
asked by jane 
calculus
Find all values of 'a' such that y=a/(x−9) and y=x^2−18x+81 intersect at right angles. show steps please :)
asked by anna 
science
A scientist wants to make a solution of tribasic sodium phosphate, , for a laboratory experiment. How many grams of will be needed to produce 350 of a solution that has a concentration of ions of 0.500 ?
asked by Anonymous 
chemistry
Complete the table below: Note: Make simplifying assumptions, do not use the quadratic formula. What is the pH of the solution created by combining 2.00 mL of the 0.10 M NaOH(aq) with 8.00 mL of the 0.10 M HCl(aq)? with 8.00 mL of the 0.10 M HC2H3O2(aq)?
asked by Sara 
help
find all numbers for which the rational expression is undefinded 8/8z+7 I think the expression is undefined for all real numbers
asked by Katie 
chem
Complete the table below: Note: Make simplifying assumptions, do not use the quadratic formula. What is the pH of the solution created by combining 11.80 mL of the 0.10 M NaOH(aq) with 8.00 mL of the 0.10 M HCl(aq)? with 8.00 mL of the 0.10 M HC2H3O2(aq)?
asked by Sara 
ppaccademy Balangir math
p(x)+q(x) and p(x)q(x),where p(x)=x32x2(square)3 and p(x)=x4+x3+x27x
asked by Debashish Banchhor 
Math
I really need help with these questions I am very confused !!! 16^1(2^5) 3^26^2+3/2(9)^1 (5^0+5^2)^1
asked by Poppy 
ppaccademy Balangir math
p(x)+q(x) and p(x)q(x),where p(x)=x32x2(square)3 and p(x)=x4+x3+x27x
asked by Debashish Banchhor 
Math
Can someone help me with this problem? Find the equation of the tangent line to the curve: f(x)=x^2, a. Parallel to the line y = 8x + 2 b. Perpendicular to the line y = 8x + 2
asked by Branden 
science
The kinetic energy of a baseball weighing 0.5 kg in its mid flight is 100 J. How high one needs to take the same ball so that it has the same potential energy?
asked by ann 
grammar
find italicized test
asked by keith 
Biology
i really need help i am so stuck!! use the crossover values given to calculate the sequence and the distnace apart of the genes indicated pm 7% KM 28% pk 21% mC 5%
asked by Poppy 
Help
Solve a1 a²11 4 = a+4 a+4
asked by KATIE A 
Help
Find the LCM t^3+8t^2+16,t^28t
asked by Katie 
Calculus
A cylinder is inscribed in a right circular cone of height 5.5 and radius (at the base) equal to 7. What are the dimensions of such a cylinder which has maximum volume?
asked by Anonymous 
computers
Which of the following devices allows a computer to communicate with other computers via the phone lines?
asked by Evelyn 
Calculus
A Norman window has the shape of a semicircle atop a rectangle so that the diameter of the semicircle is equal to the width of the rectangle. What is the area of the largest possible Norman window with a perimeter of 47 feet?
asked by Anonymous 
Calculus
A fence 2 feet tall runs parallel to a tall building at a distance of 6 feet from the building. What is the length of the shortest ladder that will reach from the ground over the fence to the wall of the building?
asked by Anonymous 
social work
Assignment reads Locate and read an article in the University Library related to a mediation model. Write a 350word summary of your article. Be sure to address the following your summary: • Identify the setting and populations most appropriate for the
asked by Mary 
natural disaster
if volcanos and earthquakes, why do people choose to live in the area where it occurs the most?
asked by jane 
America history
In virgina,colonists who could pay their way across the atlantic were granted 50 acres of land to lease for a modest rental fee.the term fro such an arrangement was called?
asked by Crystal 
Help
simplify by removing factor of 1 7z49/7z I have the answer as 7
asked by Katie 
Help
Divide and simplify x^216/x divide by x+4/x+1 I get (x4)(x+1)/X is this correct
asked by Katie 
Help
Solve the equation q+7/4+q3/3=5/2 I think there is no solution
asked by Katie 
checking if i paraphrased correctly
I was wondering if I paraphrased correctly. The original article is:(my work is at the end ) Known as the "Napoleon of the women's rights movement," Susan B. Anthony was the cofounder (with Elizabeth Cady Stanton) of the National Woman Suffrage
asked by zahra 
Statistics
The closing price of Schnur Sporting Goods, Inc., common stock is uniformly distributed between $21 and 36 per share.Exercises What is the probability that the stock price will be: (a) More than $28
asked by Anonymous 
HELP
simplify remove factors of 1 3v9/3v
asked by Katie 
math
the diagram shows the x is the radius of the large circle and the diameter of the snall circle.
asked by ina 
HELP
subtract simplify by removing factor of 1 if possible 3bc/b^2c^2bc/b+C
asked by Katie 
biology
why is glucose converted into hexose bisphosphate in glycolysis ??
asked by Anonymous 
MATH
A town decides to build a playground using one of the existing walls beside an elementary school. What is the maximum area they can enclose using only 100ft of donated fence?
asked by Anna 
Chemistry
5.85 g of sodium chloride(NaCl) is dissolved in 250 mL OF solution. Calculate mass percentage of the solute.
asked by Dewa 
Calculus
Suppose that p(x) is the density function for heights of American men, in inches, and suppose that p(69)=0.22. Think carefully about what the meaning of this mathematical statement is. (a) Approximately what percent of American men are between 68.7 and
asked by Cesar 
Chemistry
You dissolve 0.213 g of acid in 25.0 mL of water. To react the acidic solution to the endpoint you add 23.80 mL of 0.1024 M NaOH. Determine the molar mass of the acid.
asked by Andres 
Physics
An astronaut in outer space pushes himself away from his spaceship. About how far does the astronaut go before stopping? What does the astronaut have to do to stop himself?
asked by Lala 
calculus
Find all values of a such that y=a/(x−8) and y=x^2−16x+64 intersect at right angles? please how the steps :)
asked by mehak 
Statistical significance
I did a biology experiment where I need to analyze the statistical significance of betweeen a data set. My experiment consisted of measuring the effects in photosynthesis and cellular respiration by exposing solutions with leaf discs to different light
asked by Catherine 
biology 1
what kind of elecrtical charge is found on the oxygen atom of a polar water molecule
asked by mario 
physical science
assume that a parcel of air is forced to rise up and over a 6000 foot high mountain. The intial temperature of the parcel at sea level is 76.5 F, and the lifting condensation level (lvl) of the parcel is 3000 feet. The DAR is 5.5 F/1000 and the SAR is 3.3
asked by nissa 
Physics
A car is moving at 20 m/s. The driver applies the brakes and the car decelerates at 1 m/s2. How long will it take the car to stop and how far will it travel until it stops
asked by Terry 
abnormal psychology
I need a reputable scholary web site that well explain the theoretical perspectives in maladaptive behavior
asked by Sharon 
math
1. You have $55000 to invest, and two funds you would like to invest in. The YouRiskIt Fund yields 13% interest. The ExtraDull Fund yields 7% interest. Because of the college financial aid implications, you don’t think you can afford to earn more than
asked by gaurav 
Math
A small publishing company is planning to publish a new book. The production costs will include onetime fixed costs (editing) and variable costs (printing). One time fixed cost will total $76,322. The variable costs will be $10 per book. The publisher
asked by Billy 
physics
A 20kg block is being pulled by a 150N force,the block is initially at rest,if the coefficient of frictionbetween the block and the surface is 0.3,find (a)the normal force,(b)the friction force acting on the block,(c)find the acceleration of the block
asked by amaka 
Chemistry
You dissolve 0.213 g of acid in 25.0 mL of water. To react the acidic solution to the endpoint you add 23.80 mL of 0.1024 M NaOH. Determine the molar mass of the acid.
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Chemistry
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trig
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derivatives
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physics
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trignometry
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Math
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science
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math
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English
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statistics
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Geometry
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Algebra
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Chemistry
You dissolve 0.213 g of acid in 25.0 mL of water. To react the acidic solution to the endpoint you add 23.80 mL of 0.1024 M NaOH. Determine the molar mass of the acid.
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computer networking
You have been asked to help upgrade the LAN at a very successful CPA firm with five departments in one building and a total of 560 employees. Although the firm's employees understand accounting, they haven't spent much time improving their network.
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math
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algebra
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algebra
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physics
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EED 364
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physics
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Physics
A compartment measures 3.5 meters by 5.5 meters and is 3 meters high. A fire raises the temperature from 68 F to 1500 F. If the starting pressure was 1 atmosphere, what volume is present at the elevated temperature assuming the compartment has openings to
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physics
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algebra
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Physics
A compartment measures 3.5 meters by 5.5 meters and is 3 meters high. A fire raises the temperature from 68 F to 1500 F. If the starting pressure was 1 atmosphere, what volume is present at the elevated temperature assuming the compartment has openings to
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Calculus
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math
The sum of the firest 9 terms of an A.P is 72 and the sum of the next 9 terms is 71, find the A.P
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math
The sum of the firest 9 terms of an A.P is 72 and the sum of the next 9 terms is 71, find the A.P
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