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Questions Asked on October 17, 2012

I have a pre lab questions that are due in a few hours and I need help. Theres several questionsIn the titration of 25.00 ml of
1. 1 answer
2. asked by Lesle
3. 7,457 views
Four forces act on a hot-air balloon, shown from the side in the figure below. Find the magnitude and direction of the resultant
1. 2 answers
2. asked by nik
3. 6,010 views
A boat’s speed in still water is 1.95m/s . The boat is to travel directly across a river whose current has speed 1.20m/s .Dete
1. 2 answers
2. asked by Kaan
3. 5,694 views
A ball is shot from the top of a building with an initial velocity of 19m/s at an angle theta = 45 above the horizontal.Vxo and
1. 2 answers
2. asked by Kaan
3. 5,455 views
A block of mass 3m is placed on a frictionlesshorizontal surface, and a second block of mass m is placed on top of the first
1. 6 answers
2. asked by Brette
3. 5,444 views
Explain why the product of an integer multiplied by itself cannot be negative.
1. 5 answers
2. asked by Cherie
3. 5,418 views
At a certain temperature and pressure, one liter of CO2 gas weighs 1.45 g. What is the mass of one liter of C4H10 gas at the
1. 2 answers
2. asked by Bill
3. 5,074 views
A certain car can accelerate from rest to the speed v in time T seconds.(a) If the power output of the car remains constant, how
1. 1 answer
2. asked by E
3. 4,932 views
Jillianknits hats for her family and friends. In the first week, she knits 4 hats. The next week, she has some help, and
1. 33 answers
2. asked by Katey H
3. 4,762 views
PLEASE SOMEONE HELP ME WITH THIS DARN QUIZ. I'm so lost and all my teachers are too 'BUSY' to help me. :/ I'm getting so sick
1. 4 answers
2. asked by Debbie
3. 4,443 views
Help writing complete ionic and net ionic equations.?Hg2(NO3)2 (aq) + CuSO4 ---> Cu(NO3)2 (aq) + Hg2SO4 (s) K2CO3 (aq) + MgI2
1. 1 answer
2. asked by Drake
3. 4,320 views
The hypotenuse of a right triangle is 25 ft. If one of the acute angles increases at rate of 4 degrees per second, how fast is
1. 1 answer
2. asked by Arvin
3. 3,438 views
HiI am trying to help my 4th grade daughter with homework and I am stuck with this question. Please help and explain how you got
1. 12 answers
2. asked by EM
3. 3,350 views
what are the classification of polynomials according to the number of terms they have.
1. 3 answers
2. asked by kat
3. 3,313 views
The Synthesis of an Iron Oxalato Complex Salt (“Green Crystals”)In this experiment you will synthesize a compound that will
1. 4 answers
2. asked by Colin
3. 3,289 views
The shock absorbers in the suspension system of a car are in such bad shape that they have no effect on the behavior of the
1. 3 answers
2. asked by Catherine
3. 3,279 views
A hot iron ball is dropped into 200g of cooler water. The water temperature increases by 2.0 degrees C and the temperature of
1. 2 answers
2. asked by Savannah
3. 3,054 views
The total weekly cost (in dollars) incurred by Lincoln Records in pressing x compact discs is given by the following function.C(
1. 2 answers
2. asked by renee
3. 2,982 views
A spaceship from another planet travels at a speed of 4.27 googs/mulm. There are 256 googs in ameter and 8000 mulum in one hour.
1. 2 answers
2. asked by Kevin
3. 2,780 views
A 75.0 kg fullback running east with a speed of 6.00 m/s is tackled by a 82.0 kg opponent running north with a speed of 5.00
1. 4 answers
2. asked by Megan
3. 2,728 views
1.Which set of numbers represents a Pythagorean triple? (1 point) 6, 9, 12 7, 10, 12 16, 18, 25 27, 36, 45 2. If the lengths of
1. 14 answers
2. asked by Delilah
3. 2,716 views
Rewrite the expression as an algebraic expresion in x:tan(sin−1x)=
1. 2 answers
2. asked by Anonymous
3. 2,645 views
c. A student put 1.18 mole of substance A and and 2.85 mole of substance B into a 10 litre flask which was then closed. The
1. 3 answers
2. asked by shahab
3. 2,574 views
what is the formula of iron III tannate?
1. 2 answers
2. asked by peter
3. 2,230 views
Okay so i have the answers but i would like to know if i have them right. may someone tell me which ones are right and wrong ?Wh
1. 13 answers
2. asked by day
3. 2,141 views
A hot air balloon is filled with 1.39 × 106 L of an ideal gas on a cool morning (11 °C). The air is heated to 105 °C. What is
1. 4 answers
2. asked by Bill
3. 2,090 views
a geograpphical globe has radius of 18cm find the radius of the circle formed by the parallel of latitude 56 degree
1. 2 answers
2. asked by Flexyab
3. 2,048 views
(Sin^3x-cos^3x)/(sinx-cosx) – cosx/sqrt(1+cot^2x)-2tanxcotx=-1 where x∈(0,2pi)general value of x.
1. 1 answer
2. asked by anil jha
3. 2,037 views
The current-density magnitude in a certain circular wire is J = (2.75 × 1010 ⁄ )r 2 , where r is the radial distance out to
1. 1 answer
2. asked by smiley
3. 2,021 views
Artie Choke and Tom A. Toe both shop at the same local grocery store between five and six in the evening. The last time they saw
1. 1 answer
2. asked by Terry
3. 1,935 views
Two billiard balls of equal mass undergo a perfectly elastic head-on collision. If the speed of ball 1 was initially 5.00 m/s,
1. 2 answers
2. asked by Adina
3. 1,908 views
Identify the maximum or minimum value and the domain and range of the graph of the functiony=2(x-3)^2-4 Can someone please help
1. 1 answer
2. asked by LEE
3. 1,882 views
1. Which of these physical situations describes an inversely proportional relationship?(Points : 1) The volume always decreases
1. 2 answers
2. asked by Deborah
3. 1,871 views
a 21.2 kg mass attached to a spring scale rests on a smooth, horizontal surface. the spring scale, attached to the front end of
1. 1 answer
2. asked by cassandra
3. 1,843 views
The accompanying tree diagram represents a two-stage experiment. (Let x = 0.45, y = 0.55, r = 0.65, s = 0.35, t = 0.4, and w =
1. 1 answer
2. asked by Diana
3. 1,780 views
Two cards are drawn in succession without replacement from a standard deck of 52 cards. What is the probability that the first
1. 2 answers
2. asked by Diana
3. 1,666 views
4. If Cassandra bought 16 cotton blouses last year when her income was $40,000 and she buys 24 cotton blouses this year when her
1. 1 answer
2. asked by Robert
3. 1,641 views
Why are 2/3, 4/6, and 6/9 equivalent fractions?
1. 2 answers
2. asked by Cherie
3. 1,609 views
Suppose that 0.650mol of methane, CH4 (g), is reacted with 0.800mol of fluorine, F2 (g), forming CF4 (g) and HF (g) as sole
1. 1 answer
2. asked by Jaiya
3. 1,583 views
PLEASE HELP, I'm trying to study for a quiz >.< and I don't understand this one question!A fellow student reports his
1. 1 answer
2. asked by Abby
3. 1,543 views
The European Union (EU) was formed to advance the economic goals of Europe. Countries of the EU open their borders to member
1. 7 answers
2. asked by Anomynous
3. 1,539 views
Salmon often jump waterfalls to reach their breeding grounds.Starting 3.16 m from a waterfall 0.257 m in height, at what minimum
1. 1 answer
2. asked by t
3. 1,523 views
What will the angle of refraction be for a ray of light passing from air into a sodium chloride crystal, if the angle of
1. 2 answers
2. asked by leonard
3. 1,500 views
Calculate the change in enthalpy for the following reaction:C25H52(g) + O2(g) → CO2(g) + H2O(l) I started off by balancing the
1. 1 answer
2. asked by Dolcezza
3. 1,436 views
A man claims he can safely hold on to a 12.80 kg child in a head-on collision with a relative speed of 133. mi/h lasting for
1. 1 answer
2. asked by Megan
3. 1,406 views
A group medical practice has 40,000 patients. Charts vary in thickness from 1/4 to 1 inch thick. The average of all charts is
1. 2 answers
2. asked by Tracy
3. 1,376 views
There are 36 pupils in a class. Each girl is given 8 books and each boy is given 3 books. The total number of books the girls
1. 2 answers
2. asked by Max
3. 1,370 views
The position vectors A and B with respect to the origin O,(-8,5) are (12,-5)and respectively. Point M is the midpoint of AB and
1. 0 answers
2. asked by Anonymous
3. 1,361 views
A group of 200 students takes the Kaplan course in hopes that it will improve their SAT scores above the national mean of 500 on
1. 1 answer
2. asked by sarah
3. 1,356 views
A football is kicked 66.6 meters. If the ball is in the air for 5.39 seconds, with what initial velocity was it kicked?
1. 2 answers
2. asked by Anthony
3. 1,355 views
Plural possesive of Mr. Valdez.(i.e., Mr. Valdez's performance at work....)
1. 1 answer
2. asked by Linda
3. 1,351 views
n the titration of 25.00 ml of a water sample, it took 20.590 ml of 4.995x10-3 M EDTA solution to reach the endpoint. Complete
1. 1 answer
2. asked by Den
3. 1,342 views
A plane traveling at 300.0 km/h attempts to land on a 500 m runway. The plane’s engines and brakes accelerate uniformly at
1. 1 answer
2. asked by Jonathan
3. 1,327 views
A 0.528 gram sample of a metal, M, reacts completely with sulfuric acid according to: M+H2SO4 -> MSO4+H2A volume of 205 mL of
1. 2 answers
2. asked by Bill
3. 1,316 views
A pendulum 1.70m long is released (from rest) at an angle 30 degrees.1. Determine the speed(m/s) of the 60.0g bob at Theta = 15.
1. 0 answers
2. asked by Jordan
3. 1,308 views
This 82 year old female was admittd for acute exacerbation of chronic obstructive pulmonary disease. The progress notes indicate
1. 1 answer
2. asked by Anonymous
3. 1,272 views
Karl Malone made 474 out of 621 free throws attempts and John Stockton made 237 out of 287 free throws attempts.a. what fraction
1. 4 answers
2. asked by fanny
3. 1,259 views
NH4OH + H2O =
1. 2 answers
2. asked by CHRIS
3. 1,246 views
The statement, "Paraguay is one of two landlocked South American nations" describes what type of region?o cultural o economic o
1. 3 answers
2. asked by joe
3. 1,242 views
The average length of an adult blue whate is 30 meters with a standard deviation of 5.7 meters. If a sample of 31 whales is
1. 1 answer
2. asked by melinda
3. 1,223 views
An ideal gas is allowed to expand from 6.00 L to 45.0 L at constant temperature.By what factor does the volume increase? ?
1. 1 answer
2. asked by Bill
3. 1,196 views
A town has population 225 people at year t=0. Write a formula for the population, P, in year t.a) grows by 10% per year I don't
1. 1 answer
2. asked by ANON
3. 1,189 views
The block of mass 4.44723 kg has an acceleration of 4.6 m/s^24.44723 kg F is at 30◦ a What is the magnitude of F? Assume the
1. 0 answers
2. asked by sarah
3. 1,183 views
How do I determine the age of Gabbro, Granite and Gneiss
1. 1 answer
2. asked by Anonymous
3. 1,181 views
A discus thrower (with arm length of 1.2 m) starts from rest and begins to rotate counterclockwise with an angular acceleration
1. 1 answer
2. asked by Marwan
3. 1,176 views
Exponential FunctionsA=P(X)^t/n A-final amount P-initial amount X-growth rate t-time n-number of growth periods The teacher had
1. 2 answers
2. asked by Shreya
3. 1,165 views
use the mean value theorem to find the c's on the open interval (a,b) such that fprime(c)= (f(b)-f(a))/(b-a)f(x)= 3xlog(base 2)x
1. 1 answer
2. asked by Ashley
3. 1,159 views
What equivalent fraction would you use to subtract 1/3 from 5/9?
1. 3 answers
2. asked by Brittney
3. 1,153 views
4a. In the market for hand-made guitars, when the price of guitars is $800, annual revenues are $640,000. When the price falls
1. 0 answers
2. asked by Robert
3. 1,135 views
Which of the following represents a decimal system of measurement?1 quart = 16 fluid ounces 1 mile = 5,280 feet 1 kilometer =
1. 2 answers
2. asked by Shane
3. 1,131 views
If a solute is very soluble in a solvent (ethanol), why doesn't crystallization occur?I attempted to recrystallize 14 g of
1. 2 answers
2. asked by hellp
3. 1,116 views
HI! :( Im sorry to bother you guys but I need help on only these three questions. I'm not trying to cheat but these three are
1. 1 answer
2. asked by Godrick
3. 1,097 views
Can you please check my answers?Any questions involing italicized words just skip. 1. Choose the sentence in which the verb has
1. 5 answers
2. asked by Mckayla
3. 1,097 views
1.Which set represents a Pythagorean triple? (1 point) 27, 38, 42 33, 44, 55 35, 38, 42 68, 72, 81 2. Which number completes the
1. 3 answers
2. asked by Delilah
3. 1,085 views
If an arrow was shot at such an angle that for every second of travel a lateral change of 50 feet away from the archer was
1. 1 answer
2. asked by Joshua
3. 1,068 views
Imagine his (plight,ingratitude) penniless unemployed and with a large family to supportingratitude? After so many years of
1. 2 answers
2. asked by Jerald
3. 1,067 views
A ladder 10 ft leans against a vertical wall. The upper end slips down the wall at 5 ft/sec. How fast is the ladder turning when
1. 1 answer
2. asked by Arvin
3. 1,048 views
I don't really understand this and my teacher at school is no help. Can anyone explain what I'm supposed to do here?----- Atoms
1. 1 answer
2. asked by Katlyn
3. 1,047 views
A string is fit snugly around the circumference of a spherical hotair balloon. More hot air is added (probably by a prominent
1. 1 answer
2. asked by kyle
3. 1,023 views
A high-speed photograph of a club hitting a golf ball is shown in the figure below. The club was in contact with a ball,
1. 1 answer
2. asked by Emily
3. 1,018 views
A football is kicked 66.6 meters. If it is in the air for 5.39 seconds, with what initial velocity was it kicked?magnitude and
1. 3 answers
2. asked by Anthony
3. 1,009 views
Lenin advocated a modified form of Marxism becauseA.Russia had little in the way of industry B.He had some latent Capitalist
1. 1 answer
2. asked by anonymous
3. 1,003 views
tom had 7/8 of a cup of lemon juice.after making a pie he had 1/2 cup of lemon juice left.how much lemon juice did he use in the
1. 1 answer
2. asked by sunny
3. 998 views
Three point charges have equal magnitudes, two being positive and one negative. These charges are fixed to the corners of an
1. 0 answers
2. asked by Ann
3. 993 views
Word bank acquit deem devastate discredit elusive generate idolize ingratitude keepsake mortal ovation petty plight repent
1. 8 answers
2. asked by Jerald
3. 989 views
what is the particle's average velocity in the y direction vy between t=0.200s and t=0.300s?
1. 1 answer
2. asked by ramona
3. 979 views
19. Which of the following base unit definitions was changed from being based on an arc of the earth to a time interval of
1. 1 answer
2. asked by LILLY D. WILLIAMS
3. 972 views
Ten jobs are to be completed by three workers (Sam, Joy, and Kelly) during the nextweek. Each person works a 40-hour week and is
1. 2 answers
2. asked by Carla
3. 965 views
How much interest would john pay for a 30 day loan of 600 dollars at 8%?
1. 1 answer
2. asked by marcel
3. 961 views
A long-straight wire carries a current and is aligned with the North-South direction. You place a compass 4 cm directly above
1. 0 answers
2. asked by Alysse
3. 948 views
FuelMotion is an oil company that owns two oil processing plants that produce gasolinefrom crude oil. Their Georgia Plant
1. 1 answer
2. asked by Carla
3. 947 views
Weight of the mustard package Sample: 3.02 (g)Weight of the mustard package Solution: 33.3 (g) Trial #1 Trial #2 Trial #3 Weight
1. 0 answers
2. asked by Den
3. 913 views
13. What is the magnitude of the gravitational force that acts on two particles? Assume that particle 1 (m1) is 12 kg and
1. 1 answer
2. asked by Suzie
3. 908 views
A prime minister is the leader of what type of region?A) climate B) cultural C) economic D) political
1. 3 answers
2. asked by Angel
3. 897 views
as a worker,to provide care that is of a reasonable standard.identify and list the document that determine how must you provide
1. 0 answers
2. asked by jessica
3. 896 views
A basketball drops from a height of 76 in. On bounce 1, it rebounds to a height of 38 in. On bounce 2, it rebounds to a height
1. 3 answers
2. asked by Layla
3. 894 views
calculate the morality of THE H2SO4 solution for each of the three runs. do the three values agree closely together with each
1. 3 answers
2. asked by ALECIA
3. 889 views
Justin wants to use 188 ft of fencing to fence off the greatest possible rectangular area for a garden. What dimensions should
1. 2 answers
2. asked by Layla
3. 889 views
I have to make an array graph for11 x 17
1. 0 answers
2. asked by juile
3. 875 views
Resistance exercises improve muscular strength in person with such condition as A-Multiple sclerosis B- Cerebal palsy and spinal
1. 1 answer
2. asked by maria
3. 870 views

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