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2011
June

Questions Asked on June 30, 2011

How do you calculate the following:Starting with a liter of 1M sodium acetate (pka of acetic acid = 4.75 ), calculate the number
1. 1 answer
2. asked by Maria
3. 501 views
If you have 200 ml of a 0.1M solution of acetic acid (pka=4.75),1. How many ml of a solution of 1.O M NaOH would you need to
1. 1 answer
2. asked by Brayden
3. 878 views
Balance point of HCL
1. 1 answer
2. asked by Rajat
3. 353 views
Completely factor the following expression:100x2 â€“ 160xy + 64y2
1. 1 answer
2. asked by traci
3. 789 views
Completely factor the following expression:100y2 â€“ 36z2
1. 1 answer
2. asked by traci
3. 453 views
Megan factored the expression -12x^2 +52x-35as (-2x+5)(6x-7). But when Jacob applied the FOIL principle and multiplied out
1. 1 answer
2. asked by traci
3. 548 views
Post at least 2 challenges that many companies face in the areas of ethics and 2 challenges in the area of social responsibility
1. 2 answers
2. asked by Maruetta
3. 513 views
At car (1140-kg)traveling at 24.8 m/s and truck (12600-kg) have a head-on collision and then stick together. What is their final
1. 3 answers
2. asked by Casey
3. 663 views
How many milliliters of 1.237 M HCl are required to react with 27.02 grams of MgCO3 ?
1. 1 answer
2. asked by Brooke
3. 546 views
When 320.62 grams of Bi2O3 react with excess of C, how many moles of Bi form?
1. 1 answer
2. asked by Brooke
3. 489 views
How many grams of C are required to make 431.47 grams of C3H8?
1. 1 answer
2. asked by Brooke
3. 425 views
Is there a way to submit an essay for review without someone being able to copy it??
1. 2 answers
2. asked by Kelly
3. 375 views
solvex+7y=8 x=4-7y
1. 1 answer
2. asked by Anonymous
3. 311 views
What is the upper and lower limit of F(x)=3x^2+6x^2-2x-2?
1. 1 answer
2. asked by Pharez
3. 514 views
Su novio la mas increible?
1. 1 answer
2. asked by kevin
3. 402 views
At car (1140-kg)traveling at 76.04 m/s and truck (12600-kg)traveling 6.88 m/s have a head-on collision and then stick together.
1. 0 answers
2. asked by Casey
3. 1,022 views
A vertical spring has one end attached to the ceiling and a 2.50 kg weight attached to the other one. When the system is at
1. 1 answer
2. asked by Timo
3. 731 views
A 2.00 kg block is pushed against a 400N/m spring, compressing it 22.0 cm. When the block is released, it moves along a
1. 2 answers
2. asked by Timo
3. 881 views
How are precipitates used in industry?
1. 1 answer
2. asked by Bree
3. 376 views
You are 64 inches tall and your shadow is 72 inches long. A tree casts a shadow of 144 inches. How tall is the tree?
1. 3 answers
2. asked by caitlyn
3. 1,037 views
if i give you a paragraph can you point out the adverbs and adjectives?
1. 1 answer
2. asked by
3. 384 views
WHAT IS THE ARITHMETIC MEAN OF 3, 5, 7, 9 AND 11
1. 3 answers
2. asked by HEIDI
3. 1,426 views
how do you multiply 2.08 times 0.9
1. 3 answers
2. asked by tiara
3. 426 views
what is the volume of a square prism with a height of 8 and a base with side measure of 11?
1. 1 answer
2. asked by lupe
3. 480 views
A 50-story building is being planned. It is to be 200.0 high with a base 48.0 by 66.0 . Its total mass will be about 2.5×107 ,
1. 0 answers
2. asked by Jenny
3. 719 views
Demostrate that:d/dx [tan^-1(x)]= 1/1+ x^2 -> using implicit differentiation.
1. 0 answers
2. asked by Mare
3. 453 views
How much heat must be transferred to each kilogram of aluminum to bring it to its melting point, 660°C, from room temperature,
1. 0 answers
2. asked by Mike
3. 507 views
if angle x is 30 degrees and side yz is 10ft, how long is side xy?
1. 1 answer
2. asked by maria
3. 494 views
Find Each Sum Or Difference.(13x + 9y) - 11y
1. 1 answer
2. asked by Diana
3. 496 views
Find Each Sum Or Difference. Its addition.3a+2b - 7c -4a+6b+9c -3a - 2b - 7c
1. 0 answers
2. asked by Diana
3. 461 views
Why is weather still unpredictable?
1. 0 answers
2. asked by bruno
3. 841 views
compare fermentation and cellular respiration.i found the contrast of these two but couldn't find the comparisons for these.
1. 0 answers
2. asked by akim050
3. 427 views
A mass 􀝉􀬵 􀵌 1 􀝇􀝃 is attached to a spring with a spring constant 􀝇􀬵 􀵌 5 􀯇􀯠, which is attached to a
1. 0 answers
2. asked by hardik
3. 446 views
The sum of the degree measures of the angles of a quadrilateral is 360. Find the measure of the fourth angle of each
1. 0 answers
2. asked by Matt
3. 616 views
Evaluate. Express each result in scientific and standard notation.(5.62 x 10^-3) (16 x 10^-5) and 9.2 x 10^3 2.3 x 10^5
1. 1 answer
2. asked by Danny
3. 522 views
A circuit,consisting of 3 resistances 12,18 & 36 ohms respectively joined in parallel is connected in series with fourth
1. 2 answers
2. asked by Siboniso
3. 4,693 views
Sketch a graph of y=1/2int(x-2)+1. State the domain range and intercepts. Hint: Lightly graph y=int(x) and then apply three
1. 0 answers
2. asked by dazzling
3. 564 views
List and discuss the 4 P’s (marketing mix) The 4 P’s in the marketing mix consist of
1. 1 answer
2. asked by Destiny
3. 598 views
Discuss the universal functions of marketing and those functions that would apply to the products/services provided by a
1. 0 answers
2. asked by Destiny
3. 451 views
Read Chapter 21 and provide a succinct overview of the key components of a marketing plan.
1. 0 answers
2. asked by Destiny
3. 431 views
Discuss the dimensions for segmenting markets
1. 0 answers
2. asked by Destiny
3. 380 views
A body covers 30m and 40m during 10th and 15th second respectively. The acceleration and initial velocity of the body are?
1. 2 answers
2. asked by mihir
3. 1,225 views
When 320.62 grams of Bi2O3 react with excess of C, how many moles of Bi form?I know I need to use stoichiometry, but I can't
1. 2 answers
2. asked by Brooke
3. 459 views
can someone please explain how to do this problem:A twelve-foot ladder is leaning against a wall. If the ladder reaches 8 ft
1. 1 answer
2. asked by ashlyn
3. 987 views
simplify14a^8y^3-7a^4y^5+28a^12y^2/7a^4y
1. 1 answer
2. asked by marissa
3. 593 views
Calculate the number of C, H and O atoms in 1.75 g squaric acid. :)
1. 1 answer
2. asked by Anonymous
3. 673 views
Are laws and regulation the problem or the solution in addressing ethical problems?
1. 0 answers
2. asked by Lisa
3. 388 views
The duodenum is divided in to.......parts,In which the major duodenal papilla is the opening of.......??? please answer ASAP
1. 1 answer
2. asked by yao
3. 508 views
what are the portions of stomach???
1. 0 answers
2. asked by yao
3. 363 views
The superior and inferior digestive tube consists of??
1. 0 answers
2. asked by yao
3. 444 views
Thank you very much for your corrections! I just wanted to know if I should evaluate these collocations as mistakes. I included
1. 3 answers
2. asked by Henry2
3. 585 views
Evaluate the following intergal:-�çMvdv , with upper limit 'v' and lower limit 'u'
1. 0 answers
2. asked by ..
3. 549 views
A physical quantity 'x'is calculated from the relation x=a^3b^2/�ãcd. Calculate percentage error in x, if a, b, c and d are
1. 0 answers
2. asked by ..
3. 477 views
A is 20% greater than B.What percent is B smaller than A?
1. 1 answer
2. asked by ...
3. 399 views
I forgot to add the following statements. Thank you very much for your cooperation.1) What did you like most among the various
1. 1 answer
2. asked by Henry2
3. 553 views
Please help me to solve the question below.An electrical appliances shop owner estimates that his sales will increase by 5%
1. 0 answers
2. asked by Shadow of me
3. 547 views
How long will it take the farmer to sell all his chickens?Farmer has 2100 chickens. He sells 10 chickens at the end of the first
1. 1 answer
2. asked by Shadow of me
3. 1,150 views
Term of Loan/Date of Loan using Banker's Rule?I need helps in solving this question. I have to submit it by today.Tq On 4 Oct
1. 0 answers
2. asked by Shadow of me
3. 564 views
Evaluate the following integral:-�çMvdv , with upper limit 'v' and lower limit 'u'
1. 1 answer
2. asked by ...
3. 582 views
(D2-4D+3)y=sin2xcosx
1. 1 answer
2. asked by MBU
3. 1,214 views
Cars A and B are racing each other along the same straight road in the following manner: Car A has a head start and is a
1. 2 answers
2. asked by mjLa
3. 2,986 views
Water flows over a section of Niagara Falls at a rate of 1.2×106 kg/ s and falls 50m. How many 60W bulbs can be lit with this
1. 1 answer
2. asked by Anonymous
3. 1,705 views
Demostrate that:d/dx [tan^-1(x)]= 1/1+ x^2 -> using implicit differentiation
1. 1 answer
2. asked by Mare
3. 512 views
which strategies you could use to strengthen the relationship and describe how the relationship would be strengthened.
1. 2 answers
2. asked by Anonymous
3. 446 views
A metal rod and a metal ball were submerged in a pot of water that is heated from 30°C to 80°C. At the bottom of the pot, one
1. 1 answer
2. asked by kim
3. 513 views
how does 2sin(a/2)cos(((m+1)/2)a) = sin(((m+2)/2)a) - sin ((ma)/2)?
1. 0 answers
2. asked by nn
3. 437 views
4.What was the nature and extent of the Umayyad Empire?
1. 1 answer
2. asked by Nina
3. 544 views
Each side of the triangle shown has the same length. If the perimeter of the triangle is 49 inches, the length of each sideis 3
1. 1 answer
2. asked by hi
3. 799 views
Write an equation (chemical or ionic) and use oxidation numbers to find out what is being oxidized and what is being reduced.(a)
1. 2 answers
2. asked by Click6
3. 423 views
what is an ecology?
1. 1 answer
2. asked by biget
3. 416 views
what is a biosphere?
1. 0 answers
2. asked by biget
3. 711 views
What was the most common religious affiliation in the 108th Congress? Protestant JewishRoman Catholic Non-religious
1. 0 answers
2. asked by stephanie
3. 416 views
A soccer ball has diameter of 400 mm. A pin is stuck into the ball such that it creates the chord AC, which is 20 mm. What is
1. 0 answers
2. asked by Ashante
3. 427 views
A spherical piece of metal has a radius of .250m and a mass of 503 kg. what is its specific gravity?
1. 2 answers
2. asked by Angel
3. 432 views
Given the triangle ABC and m<A = 22º; a = 6. Find the measurement of side b if angle C is the right angle.
1. 1 answer
2. asked by Anonymous
3. 377 views
A 3 kg block is being pulled by a string at a constant speed on a surface with a coefficient of kinetic friction of 0.3. If the
1. 1 answer
2. asked by Megan
3. 477 views
Describe how an operating system that uses paging could make stacks grow dynamically if the original size proves too small. What
1. 0 answers
2. asked by Danny
3. 456 views
Evaluate the expression cos 22 degrees and sec 22 degrees
1. 1 answer
2. asked by Dee Mitchell
3. 697 views
Please Factorize it-16x2+8x-1 Note="2 used after 16x is power of x"
1. 1 answer
2. asked by vinita mahto
3. 375 views
If tests are worth 90% & quizzes 10%. What is my average is my test average is a 83 & my quiz average is a 92?
1. 3 answers
2. asked by Diane
3. 1,315 views
Please Factorize it-16*x^2+8*x-1
1. 1 answer
2. asked by vinita mahto
3. 390 views
Please Factorize it-4*x^3-4*x
1. 1 answer
2. asked by vinita mahto
3. 410 views
Write your own scenario of a case that would be tried in a court of original jurisdiction. Your example may be fictional,
1. 1 answer
2. asked by Riah
3. 330 views
As you advised me to do, I included four sentences I was most doubtful a)1) The daffodils grow best under the shine of trees
1. 1 answer
2. asked by Henry2
3. 504 views
Find all numbers for which the rational expression is undefined.6/2v+9
1. 1 answer
2. asked by Gayle
3. 489 views
using a simple random sampling, select a sample of 12 students out of a population of 30 students comprises of 20 females and 10
1. 1 answer
2. asked by Bekesuoyeibob
3. 877 views
Upon retreating from Petersburg, were there any options open to Lee that might have prolonged the War? Please chech if my answer
1. 3 answers
2. asked by Joanne
3. 549 views
In your previous post you wrote "time is perceived as subjective" so I won't evaluate it as a mistake. What do you think?I still
1. 1 answer
2. asked by Henry2
3. 404 views
If you have 200 ml of a 0.1M solution of acetic acid (pka=4.75),1. How many ml of a solution of 1.O M NaOH would you need to
1. 3 answers
2. asked by Brayden--help Dr. Bob
3. 1,011 views
The proportion of baby boys born in the United States has historically been 0.512. You choose an SRS of 55 newborn babies and
1. 2 answers
2. asked by Ashley
3. 1,477 views
the speed of light is 3*10^8 m/s. Red light has a wavelength of 7 * 10^-7 m. What is its frequency?
1. 1 answer
2. asked by Sarah
3. 1,192 views
In your own words answer each questions 150 words1. Why are elections in the United States longer, more expensive, and more
1. 1 answer
2. asked by Nene
3. 555 views
solve using the eliminatin method. show your work. if the system has no solution or an infinite number of solutions,state this
1. 1 answer
2. asked by Anonymous
3. 468 views
In 10-15 lines critically discuss 5 ways in which the human or environmental problem on the community.provide relevant sources
1. 0 answers
2. asked by Panelope
3. 391 views
What is the measure of angle 5 if p//q, angle 1 equals 40 degrees, and angle 2 equals 80 degrees?
1. 1 answer
2. asked by Jenna Loving
3. 433 views
are orgainztions more risk adverse or individuals
1. 0 answers
2. asked by Anonymous
3. 286 views
solve using the elimination method. show your work. if the system has no solution or an infinite number of solutions, state this
1. 2 answers
2. asked by Anonymous
3. 521 views
Does the composition of an object affect the final temperature of in objects. This is in terms of thermal equilibrium.
1. 4 answers
2. asked by Janey
3. 902 views
A force of 99 N causes a box to accelerate at a rate of 11 m/s2. What is the mass of the box? (Ignore frictional effects.)
1. 2 answers
2. asked by StephyAnn
3. 984 views
If a person weighs 160 pounds, and the surface area of the bottom of both feet combined is 200 cm2. What is the pressure under
1. 1 answer
2. asked by Anonymous
3. 554 views

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