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Questions Asked on September 20, 2012

2 posts one is 10m high and other is 15m higs stand 30m apart they are to be stayed by transmission wire attached to a single
1. 4 answers
2. asked by erico
3. 7,899 views
During a baseball game, a batter hits a high pop- up. If the ball remains in the air for 6.0s, how high does it rise? Hint:
1. 3 answers
2. asked by Isabella
3. 6,508 views
Find all partial derivatives?v = (xy)/(x-y) vxx= vxy= vyx= vyy=
1. 2 answers
2. asked by Becky
3. 4,736 views
The solubility of acetanilide in hot water (5.5 g/100 mL at 100C) is not very great, and its solubility in cold water (0.53
1. 3 answers
2. asked by david
3. 4,575 views
For the function f(x)= 8/x+7,find the average rate of change of f from 1 to x.
1. 3 answers
2. asked by ladybug
3. 4,431 views
Suppose 8 out of every 20 students are absent from school less than 5 days a year. Predict how many students would be absent
1. 19 answers
2. asked by Deontai
3. 4,153 views
The bromine content of the ocean is about 65 grams of bromine per million grams of sea water. How many cubicmeters of ocean must
1. 4 answers
2. asked by anna
3. 3,980 views
A solid of density 5000 kg/m^3 weighs 0.5 kgf in air.It is completely immersed in water of density 1000 kg/m^3. Calculate the
1. 6 answers
2. asked by Mayank
3. 3,927 views
List the conjugate base for the following acids:1) Acid = CH3CH2CH2NH3^+ Conjugate base = CH3CH2CH2NH2^- 2) Acid =
1. 2 answers
2. asked by Hannah
3. 3,632 views
what is the domain of the function f(x)=1/root[2x-3]
1. 1 answer
2. asked by edward
3. 3,610 views
A 0.41 g sample of limestone was dissolved in HCl and all the calcium in the limestone was converted to Ca2+(aq). The solution
1. 1 answer
2. asked by Bob
3. 3,479 views
A chemist mixes two liquids A and B to form a homogeneous mixture. The densities of the liquids are 2.0514 g/mL for A and 2.6678
1. 1 answer
2. asked by Emily
3. 3,423 views
A swimmer is capable of swimming 0.95 m/s in still water.(a) If she aims her body directly across a 150-m-wide river whose
1. 1 answer
2. asked by jeje
3. 3,249 views
IT TOOK STACY 6 MINUTES TO COUNT TO 1,000. IF SHE CONTINUED COUNTING AT THE SAME RATE, HOW LONG WOULD IT TAKE HER TO COUNT TO
1. 4 answers
2. asked by TCRUZ
3. 2,928 views
A modern penny weighs 2.5 g but contains only .063 g of copper. How many copper atoms are present in a modern penny? Thanks in
1. 4 answers
2. asked by Danya
3. 2,894 views
25.00 mL of heavy water (D2O where D is a hydrogen with a neutron in its nucleus) at 20 degrees C was pipetted into a 37.234 g
1. 2 answers
2. asked by Teresa
3. 2,879 views
In the reaction below, 16 g of H2S with excess O2 produced 8 g of sulfur.? H2S + ? O2 → ? S + ? H2O . What is the percent
1. 3 answers
2. asked by CJ
3. 2,633 views
Which cannot be broken down chemically or physically into a simpler substance between sugar, salt, seawater, and copper?
1. 1 answer
2. asked by Jenny
3. 2,602 views
How many liters of oil are required to supply the electrical energy needs of an average home for a month?Energy released by
1. 3 answers
2. asked by Sam
3. 2,594 views
Ethyl butyrate is an artificial fruit flavor commonly used in the food industry for such flavors as orange and pineapple. It can
1. 1 answer
2. asked by grangeH
3. 2,426 views
What volume of 3.16 M HNO3 is required toprepare 524 mL of a 0.2 M HNO3 solution? Answer in units of mL.
1. 6 answers
2. asked by Matt
3. 2,250 views
Rock bands often stack their speakers in an array. One teen band has 24 speakers. They stack them at least 2 high, but no taller
1. 6 answers
2. asked by william
3. 2,200 views
For the reaction? Al + ? CuSO4 ↽⇀? Al2(SO4)3+? Cu a maximum of how many moles of Al2(SO4)3 could be formed from 5.95 mol of
1. 1 answer
2. asked by Matt
3. 2,099 views
Type a counter-example that would have to exist in order for the conclusion to be false.5 0, 6 0, 12 0, 16 0, 20 0, 100 0.
1. 3 answers
2. asked by haley e
3. 2,097 views
Which of the following phrases does NOT appear in the Declaration of Independence? (A life, liberty, and the pursuit of
1. 4 answers
2. asked by anna
3. 2,067 views
The pH of a 0.164 M aqueous solution of dimethylamine is 11.98. Write the ionization equation,calculate the values of Kb and pKb
1. 1 answer
2. asked by geeta
3. 2,064 views
in triangle abc if acosA= bcosB then how to prove the triangle is isosceles or right angled
1. 4 answers
2. asked by edward
3. 2,024 views
The solubility of compound A in ethanol is 0.4 g per 100 mL at 0C and 5.0 g per 100 mL at 78C. What is the minimum amount of
1. 2 answers
2. asked by david
3. 1,975 views
Xylem dries up and dies what is the effect
1. 7 answers
2. asked by Valerie
3. 1,909 views
Find the derivative of the function using the definition of derivative.g(t)= 9/sqrt(t) g'(t)= state the domain of the function
1. 1 answer
2. asked by maura urgent!!
3. 1,853 views
When 0.055 moles of lead(II) nitrate are dissolved in enough water to make 803 mililiters of solution, what is the molar
1. 1 answer
2. asked by Lacey
3. 1,784 views
if you diluted 145 ml of a 9% benzocaine lotion to 6% how much could you produce
1. 2 answers
2. asked by toby
3. 1,746 views
Susan had a $10 coupon for the purchase of any item. She bought a coat that was on sale for half its original price. After using
1. 2 answers
2. asked by Taylor
3. 1,675 views
Can You help me with this question?The distance from the earth to the sun is about 1.5 X 10^8 km, while the distance from the
1. 7 answers
2. asked by Sam
3. 1,658 views
Which of the following statements about literary movements is NOT true?A A literary movement is a period that shares a
1. 1 answer
2. asked by anna
3. 1,605 views
Write each ratio as a fraction in simple form.12 kittens to 15 puppies
1. 10 answers
2. asked by Savanna
3. 1,604 views
Daniel Filled the gas tank in his car with 14.6 gallons of gas. He then drove 284.7 miles before needing to fill up his tank
1. 5 answers
2. asked by Ellisyn Noelle
3. 1,599 views
Carborundum (silicon carbide) boiling chips are better than calcium carbonate chips in the recrystallization of an unknown,why ?
1. 2 answers
2. asked by david
3. 1,592 views
William Bradford wrote Of Plymouth Plantation andA "To My Dear and Loving Wife." B The Day of Doom. C The Voyage of the
1. 1 answer
2. asked by anna
3. 1,589 views
One band has fewer than 40 speakers. They stack them in a array exactly 9 high. How many speakers could they have?Explain how
1. 7 answers
2. asked by william
3. 1,587 views
geometry- On the coordinate plane, draw a rectangle ABCD with vertices at A (1,4), B(5,4), C(5,1) and D (1,1). Then graph and
1. 1 answer
2. asked by Witty
3. 1,569 views
Batteries change ____ energy into _____ energyChemical and electric Converting the suns energy into electricity does not work if
1. 1 answer
2. asked by Lance
3. 1,565 views
Salina had some local and foreign stamps. The ratio of the number of local stamps to the number of foreign stamps was 3:4. She
1. 1 answer
2. asked by Dottie
3. 1,411 views
If a metal ore contains 21.4% pure metal, how many pounds of pure metal can be obtainedfrom 59 pounds of metal ore? Answer in
1. 2 answers
2. asked by Lacey
3. 1,410 views
Two point charges are placed on the x axis as follows: Charge q1= 4.20 is located at x= 0.185 , and charge q2= 4.80 is at x=
1. 2 answers
2. asked by Anonymous
3. 1,408 views
How many grams of sucrose (C12H22O11)must be dissolved in 60 g water to make a solution in which the mole fraction of sucrose is
1. 3 answers
2. asked by Matt
3. 1,405 views
1) A physics book is moved once around theperimeter of a table of dimensions 1 m by 3 m. What is the distance traveled? 2) A
1. 0 answers
2. asked by Melanie
3. 1,345 views
2x^2 + 5x - 8 = 0Solve the quadratic equation by completing the square.
1. 1 answer
2. asked by Jack
3. 1,273 views
when the shuttle bus comes to a sudden stop to avoid hitting a dog, it decelerates uniformly at 4.7m/s as it slows from 8.7 m/s
1. 1 answer
2. asked by danni
3. 1,270 views
a horse race has 11 entries, assuming that their are no ties what is the probability that four horses owned by one person finish
1. 3 answers
2. asked by chuck
3. 1,261 views
Two cars both travel along a straight road Northbound. At t = 0, the car 1 is 190.6 m further north than car 2. Also at t = 0,
1. 0 answers
2. asked by Ty
3. 1,246 views
Behaviors such as fighting, destructiveness, and threatening others are referred to as_______ behaviors. A. aggressive C.
1. 3 answers
2. asked by Felicia
3. 1,234 views
compare and Contrast the New England, Southern and Middle colonies using geography including a appraisal of a geographic
1. 2 answers
2. asked by tristen
3. 1,229 views
A farmer plans to enclose a rectangular region using part of his barn for one side and fencing for remaining sides. The area of
1. 1 answer
2. asked by Kristen
3. 1,223 views
Julian, Majid and Pillay had the same number of rubber bands. During a game, Julian lost 12 rubber bands to Pillay and Majid
1. 1 answer
2. asked by Dottie
3. 1,218 views
helb back by ___ winds the plane arrived two h ours lateadverse? For a long time I thought he was a good and sincere person but
1. 14 answers
2. asked by Jerald
3. 1,200 views
Determine whether y varies directly with x. If so find the constant of variation k and write the equation.x y 7 11 8 13 9 15 10
1. 0 answers
2. asked by brandon
3. 1,192 views
how many liters of water will have to be added to 1125 liters of 45% solution of acid so that the resulting mixture will contain
1. 4 answers
2. asked by edward
3. 1,189 views
Science 8R HW - Using the steps of the Scientific Method solve a problem that you may have (for example, 1. How can I get my
1. 3 answers
2. asked by Lauren
3. 1,154 views
A chain of ocean waves crests at 35m apart , 15 miles/hr. What is the frequency of the waves?
1. 1 answer
2. asked by Terri
3. 1,131 views
Which of the following is not true of the meta-analytic findings of research therapywith children? A. Changes achieved by
1. 1 answer
2. asked by Felicia
3. 1,126 views
The Giver.At the age of 3, each child needs to have hair ribbons and for boy head dresses. Those are the community rules. But
1. 3 answers
2. asked by edon
3. 1,125 views
For the reaction? C6H6 + ? O2 ↽⇀? CO2 + ? H2O a maximum of ? moles of CO2 could be formed from 9 mol of C6H6 and 2.81 mol of
1. 1 answer
2. asked by Matt
3. 1,124 views
A chemist conducted a recrystallization on 18.5 g of a solid and collected 12.5 g from the first, and 2.7 g from the second
1. 1 answer
2. asked by david
3. 1,118 views
how do i calculate the SAT score that defines the bottom 3% of students with a mean of 500 and standard deviation of 100
1. 1 answer
2. asked by Penny
3. 1,054 views
The acceleration of a particle is defined by the relation a = -60x^-1.5, where a is expressed in m/s^2 and x in meters. Knowing
1. 0 answers
2. asked by Bwelvin
3. 1,051 views
a boy is b years old and his father is 6 times as old as him. find the father's age. and also the sum of their ages in years
1. 3 answers
2. asked by zeenia
3. 1,042 views
Every year there is a race to the top of the empire state building. In 1993 the winner got to the top in 10 minutes, 18 seconds.
1. 1 answer
2. asked by annie
3. 1,038 views
IT TOOK STACY 6 MINUTES TO COUNT TO 1,000. IF SHE CONTINUED COUNTING AT THE SAME RATE, HOW LONG WOULD IT TAKE HER TO COUNT TO
1. 2 answers
2. asked by tc
3. 1,025 views
What is the integral:1/root(2x-x^2)
1. 1 answer
2. asked by Sam
3. 1,003 views
Two cars are driving toward each other on a straight and level road in Alaska. The BMW is traveling at 115 km/h north and the VW
1. 1 answer
2. asked by Lisa
3. 997 views
Adults and children should limit their intake of sodium because?A. Keeping blood pressure in the normal range reduces an
1. 10 answers
2. asked by Anonymous
3. 994 views
One band has 30 speakers. They stack them at least 3 high, but no taller than 6 high. What are all the different arrays they
1. 5 answers
2. asked by william
3. 989 views
Assume that the fish have an average mass of 280g. The average caloric value is 8kcal/g. The heronis able to digest 60% of the
1. 2 answers
2. asked by Aidan
3. 986 views
Which of the following authors wrote in the same genre?Anne Bradstreet William Bradford Olaudah Equiano Thomas Jefferson
1. 2 answers
2. asked by anna
3. 980 views
what can occur when a social norm is dysfunctional?
1. 2 answers
2. asked by Hunter
3. 979 views
Solve each equation for xe^(4x+1)=p log (kx)/ log (5) = c
1. 2 answers
2. asked by Anonymous
3. 979 views
tammy leaves the office drives 50 km due north, then turns onto a second highway and continues in a direction of 32 degrees
1. 1 answer
2. asked by Krystal
3. 978 views
I am writing my essays and I wrote them but i not know how to start the beginnings of them. this on movie smoke signals. i am
1. 5 answers
2. asked by Mohammad
3. 969 views
why do geographers divide areas into regions
1. 1 answer
2. asked by juames
3. 963 views
why is it imporant to take part in team disussion on care plans and reviews for clients?
1. 1 answer
2. asked by jessica
3. 939 views
find the constants a and b so that the function is continuous on the entire real line. F(x)= 3, x≤-1ax+b, -1<x<2 -3,x≥2
1. 1 answer
2. asked by fernando
3. 938 views
how do you find the initial velocity on a velocity time graph
1. 0 answers
2. asked by shaniqua
3. 924 views
The statement below represents which genre from the early American and Colonial period?I want to explain origins of the natural
1. 4 answers
2. asked by anna
3. 910 views
if greg eats 3 red jelly beans and 6 yellow ones how many yellow were there originally? the ratio is 4:5
1. 1 answer
2. asked by therese
3. 884 views
A car travels along a straight stretch of road.It proceeds for 11.9 mi at 58 mi/h, then 29.4 mi at 44 mi/h, and finally 36.9 mi
1. 0 answers
2. asked by Melanie
3. 878 views
• A student crystallized a compound from benzene and observed only a few crystals when the solution cooled to room
1. 0 answers
2. asked by david
3. 875 views
A child’s toy consists of plastic attached toa spring. The spring is compressed against the floor a distance of 1.48 cm, and
1. 0 answers
2. asked by George
3. 852 views
If g(x) = 5 + x + e^x, find g^-1(6)g^-1(6) = ?
1. 1 answer
2. asked by Anonymous
3. 847 views
1.-80%(-2) (=,<,>) 120/32.-1750%70 (=,<,>) -1008/48 3.240/-80 (=,<,>) -150/50 4.675/-45 (=,<,>) 865/-51 5.-3755%x= -15
1. 0 answers
2. asked by An
3. 840 views
Why can a water-ethanol solution be used for recrystallization but not a water-hexane solution?
1. 1 answer
2. asked by david
3. 835 views
a large stadium holds almost 100,000 people about how many times does the stadium have to filled for total attendance to reach
1. 1 answer
2. asked by TCRUZ
3. 835 views
Sulfuric acid (H2SO4) is prepared commercially from elemental sulfur using the contact process. In a typical sequence of
1. 3 answers
2. asked by CJ
3. 834 views
In comparison with youth on the life-course-persistent path, those on the adolescentlimitedpath A. display more extreme
1. 0 answers
2. asked by Felicia
3. 814 views
For the reaction? ZnS + ? O2 →? ZnO+? SO2 , what is the maximum amount of ZnO which could be formed from 14.06 g of ZnS and
1. 1 answer
2. asked by CJ
3. 809 views
Calculate the frequency of radiation with a wavelength of 1.27 × 104 °A (angstroms).Answer in units of s^−1. I got
1. 5 answers
2. asked by Peter
3. 804 views
For the reaction? N2H4+? O2 →? N2+? H2O , what is the maximum amount of N2 (28.0134 g/mol) which could be formed from 14.75 g
1. 1 answer
2. asked by Lacey
3. 798 views
dr.chen told miranda that her new puppy needs a diet that includes at least 1.54 ounces of protein and 0.56 ounce of fat each
1. 0 answers
2. asked by ann
3. 793 views
Two-State Option Pricing ModelT-bills currently yield 5.5 percent. Stock in Nina manufacturing is currently selling for $70 per
1. 1 answer
2. asked by Karen
3. 790 views
two fourths of a circle plus two tenths of a circle is what decimal part of a whole circle?
1. 3 answers
2. asked by Carol
3. 784 views

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