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2011
June

Questions Asked on June 30, 2011

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. 4,728 views
Earthquakes produce several types of shock waves. The most well-known are the P-waves (P for primary or pressure) and the
1. 2 answers
2. asked by mikeM
3. 3,933 views
a 10cm long spring is attached to the ceiling. when a 2.6kg mass is hung from it, the spring stretched to a length of 15cm.what
1. 2 answers
2. asked by Kate
3. 3,727 views
1. What is the value of x in the right triangle below? If needed, round your answer to two decimal places.32 angle, 15 inches,
1. 3 answers
2. asked by Anonymous
3. 3,668 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. 3,036 views
A force of 20 N is needed to overcome a frictional force if 5 N and accelerate a 3 kg mass across a floor. What is the
1. 3 answers
2. asked by Breanna
3. 2,978 views
A game show contestant won a prize by pushing a bowling ball 20 m using her nose. The amount of work done was 1470 J. How much
1. 1 answer
2. asked by micah
3. 2,787 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. 1,744 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. 1,525 views
WHAT IS THE ARITHMETIC MEAN OF 3, 5, 7, 9 AND 11
1. 3 answers
2. asked by HEIDI
3. 1,442 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. 1,329 views
Earthquakes produce several types of shock waves. The most well-known are the P-waves (P for primary or pressure) and the
1. 1 answer
2. asked by mikeM
3. 1,281 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. 1,255 views
(D2-4D+3)y=sin2xcosx
1. 1 answer
2. asked by MBU
3. 1,235 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. 1,227 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. 1,177 views
Discuss how art was used as a vehicle for propaganda in the works of Höch, Grosz, and Picasso.
1. 4 answers
2. asked by Kari
3. 1,115 views
a boat weighs 1500 lbs more than its motor and 1900 lbs more than its trailer. Together the boat and motor weigh five times as
1. 2 answers
2. asked by chris
3. 1,094 views
I have a chart that has 4 columns across the top and 33 going down. The colunms on the top read: predicted number, selected
1. 0 answers
2. asked by Hannah
3. 1,092 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. 1,060 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. 1,053 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. 1,034 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. 1,024 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. 1,014 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. 923 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. 916 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. 908 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. 903 views
Why is weather still unpredictable?
1. 0 answers
2. asked by bruno
3. 859 views
the greater of two consecutive integers is 20 more than twice the smaller. what are the integers
1. 1 answer
2. asked by chris
3. 832 views
Completely factor the following expression:100x2 â€“ 160xy + 64y2
1. 1 answer
2. asked by traci
3. 821 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. 821 views
Suppose that a car starts from rest at position -3.31m and accelerates with a constant acceleration of 4.15m/s^2. At what time t
1. 5 answers
2. asked by kia
3. 813 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. 765 views
In an experiment, a seabird was taken from its nest, flown a distance 5190 km away, and released. It found its way back to its
1. 2 answers
2. asked by layla
3. 760 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. 752 views
The hypotenuse of a right triangle is 25 cm long. One leg of the same triangle is 7 cm long. What is the length of the other
1. 1 answer
2. asked by Zoey
3. 734 views
Evaluate the expression cos 22 degrees and sec 22 degrees
1. 1 answer
2. asked by Dee Mitchell
3. 724 views
what is a biosphere?
1. 0 answers
2. asked by biget
3. 722 views
In an experiment, a seabird was taken from its nest, flown a distance 5190 km away, and released. It found its way back to its
1. 2 answers
2. asked by layla
3. 700 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. 693 views
Calculate the number of C, H and O atoms in 1.75 g squaric acid. :)
1. 1 answer
2. asked by Anonymous
3. 689 views
What is the value of x in the right triangle below? If needed, round your answer to two decimal places. 32 angle, 15 inches.A
1. 2 answers
2. asked by kalakalikalakali
3. 686 views
A 3 kg object falls from a height of 10 m. What is its velocity just before it hits the ground? How would this problem differ if
1. 1 answer
2. asked by Anonymous
3. 671 views
When hot and concentrated, sulfuric acid is a fairly strong oxidizing agent. Write a balanced net ionic equation for the
1. 1 answer
2. asked by Jen
3. 666 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. 653 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. 624 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. 619 views
simplify14a^8y^3-7a^4y^5+28a^12y^2/7a^4y
1. 1 answer
2. asked by marissa
3. 615 views
Thank you very much. Where can I find exercises on the use of idioms, collocations and phrasal verbs?Here are some other
1. 1 answer
2. asked by Henry2
3. 615 views
Evaluate the following integral:-�çMvdv , with upper limit 'v' and lower limit 'u'
1. 1 answer
2. asked by ...
3. 604 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. 600 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. 591 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. 589 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. 585 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. 584 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. 583 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. 579 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. 578 views
Evaluate the following intergal:-�çMvdv , with upper limit 'v' and lower limit 'u'
1. 0 answers
2. asked by ..
3. 574 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. 571 views
4.What was the nature and extent of the Umayyad Empire?
1. 1 answer
2. asked by Nina
3. 566 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. 549 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. 549 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. 549 views
Demostrate that:d/dx [tan^-1(x)]= 1/1+ x^2 -> using implicit differentiation
1. 1 answer
2. asked by Mare
3. 537 views
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. 530 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. 530 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. 530 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. 530 views
The length of the house is 50 feet, the width is 30 feet, and from the ground to the gable (the height of the rectangle) is 10
1. 1 answer
2. asked by Anonymous
3. 530 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. 527 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. 526 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. 518 views
Find all numbers for which the rational expression is undefined.6/2v+9
1. 1 answer
2. asked by Gayle
3. 517 views
Advocates of the death penalty recognize that no system is perfect and that applying the death penalty runs a small risk of
1. 4 answers
2. asked by kim
3. 517 views
Find Each Sum Or Difference.(13x + 9y) - 11y
1. 1 answer
2. asked by Diana
3. 514 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. 506 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. 506 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. 504 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. 498 views
i have the Mr of lead nitrate 331 and i thermally decompose it giving nitrogen dioxide and oxygen. i want to collect exactly
1. 3 answers
2. asked by linda
3. 498 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. 486 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. 485 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. 482 views
I have a chart that has 4 columns across the top and 33 going down. The colunms on the top read: predicted number, selected
1. 0 answers
2. asked by Hannah
3. 482 views
Completely factor the following expression:100y2 â€“ 36z2
1. 1 answer
2. asked by traci
3. 478 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. 477 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. 475 views
Demostrate that:d/dx [tan^-1(x)]= 1/1+ x^2 -> using implicit differentiation.
1. 0 answers
2. asked by Mare
3. 468 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. 466 views
The superior and inferior digestive tube consists of??
1. 0 answers
2. asked by yao
3. 465 views
The perimeter of a square garden is to be atleast 30 feet but not more than 64 feet. Find all possible values for the lenght of
1. 1 answer
2. asked by luli
3. 464 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. 462 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. 461 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. 458 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. 456 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. 456 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. 449 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. 449 views

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