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2013
April

Questions Asked on April 27, 2013

A body with a mass of 75 kg is located at a height of 20 m. If it is allowed to free fall to the ground. What will be its
1. 3 answers
2. asked by Danny
3. 811 views
Which of the following pairs of terms identify spaces that are roughly PERPENDICULAR (orthogonal) in the human brain (give or
1. 4 answers
2. asked by Anonymous
3. 3,600 views
To illustrate the calculation, assume that 21.95 mL of a thiosulfate solution is required to reduce the iodine liberated by
1. 3 answers
2. asked by Marcus
3. 628 views
Questions about Avi(the author)Why was school a constant struggle for him? Avi kept writing because of the encouragement of his
1. 2 answers
2. asked by kara
3. 576 views
Scotland's lake and rugged highlands were created by what?
1. 1 answer
2. asked by Rolando
3. 640 views
Follow-on from a previous question: is there a component of any vertical force resulting from the braking force a braking
1. 0 answers
2. asked by Raymond
3. 1,006 views
A spring oriented vertically is attached to a hard horizontal surface as in the figure below. The spring has a force constant of
1. 2 answers
2. asked by Abdul
3. 6,275 views
The percent of fat calories that a person in America consumes each day is normally distributed with a mean of 36 and a standard
1. 0 answers
2. asked by luke
3. 1,478 views
When two words in a poem are spelled similarly, but do not have the same sound, the type of rhyme is called_______________.A.
1. 1 answer
2. asked by Bob
3. 474 views
Assume a family is planning to have three children.A. What is is the probablity of a family having 2 girls. B. The probablity of
1. 1 answer
2. asked by Angela
3. 444 views
A student traveled 206 km in 16 days. At the same ratio, how far would the student travel in 64 days?
1. 2 answers
2. asked by joe
3. 395 views
Assume a family is planning to have three children.1. Why do probabilities centered around this scenario represent the same
1. 2 answers
2. asked by Angela
3. 444 views
12/5x0.6x(0.5x10-3)12=I really need help with this one I cant calculate it can someone help
1. 2 answers
2. asked by Yasmine
3. 373 views
19. A family takes a car trip. They travel for an hour at 80 km/h and then for 2 hours at 40 km/h. Find the average speed.
1. 1 answer
2. asked by June
3. 2,116 views
A long distance trucker traveled 240 miles in one direction during a snow storm. The return trip in rainy weather was
1. 1 answer
2. asked by nannypam
3. 2,319 views
To determine the number of trout in a lake, conservationist catches 161 trout, tags them and throuws them back into the lake.
1. 2 answers
2. asked by pam
3. 3,191 views
10cm^3 of a normal specimen of human blood contains 1.2g of hemoglobin. How many grams does 22cm^3 of the same blood contain?
1. 1 answer
2. asked by pam
3. 420 views
Andrew measures they amount of a very unstable substance to be 100 moles. the half life of this substance is 3 days(after 3
1. 2 answers
2. asked by Anonymous
3. 1,005 views
A convenience store owner believes that the median number of lottery tickets sold per day is 49. A random sample of 20 days
1. 0 answers
2. asked by Shelby Hacker
3. 545 views
Urgently needed for my n.e.e.t test next week.. Calculator not allowed.. How do i find antilog of (-10.6) for solving a pH based
1. 1 answer
2. asked by Sneha
3. 395 views
I'm having problems understanding how to do these problems.25. 32^(2x-3)=2 27. 1/4= 2^3x 29. 9^x=27 33. 81^(x-1)= 27^2x
1. 1 answer
2. asked by Caroline
3. 353 views
I want to build a landscaping block garden oval with twelve inch blocks. I want the second row to come out even. How would I
1. 1 answer
2. asked by Walt
3. 342 views
One fourth of herd of goats was seen in the forest. Twice the square root of the number of the herd had gone up the hill and the
1. 2 answers
2. asked by Steve
3. 1,455 views
what is the product of reaction dehydrated K3(Al(C2O4)3) with KMnO4 in the present of KOH?
1. 1 answer
2. asked by Leo
3. 552 views
Two large, parallel, conducting plates are 20 cm apart and have charges of equal magnitude and opposite sign on their facing
1. 2 answers
2. asked by Lex
3. 844 views
If a sample of NH4NO3 contained 5.04 x 1022 hydrogen atoms, how many moles of NH4NO3 are in your sample?
1. 1 answer
2. asked by Anonymous
3. 498 views
Find the indicated sum.n ‡”4(0.5)^K K=1 Help me because I do not know how to solve it.
1. 1 answer
2. asked by Seth. please a needy help!!!
3. 291 views
you complain that the hot tub in your hotel suite is not enough. the hotel tells you that they will increase the temperature by
1. 1 answer
2. asked by Jeconiah. please a needy help!!!
3. 797 views
2. At time t =0, the current to the dc motor is reversed, resulting in an angular displacement of the motor shaft given by θ =
1. 4 answers
2. asked by bruce
3. 10,154 views
how will I develop a transaction program?
1. 1 answer
2. asked by Jnr John. please a needy help!!!
3. 362 views
x+6/4x^2 + 3/2x^2 = x+4/2x^2
1. 1 answer
2. asked by weeza
3. 240 views
x+6/4x^2 + 3/2x^2 = x+4/2x^2
1. 0 answers
2. asked by weeza
3. 219 views
Which of the following will increase the strength of a sample of 90% SiO2 - 10% MgOQuench the entire sample in water Quench half
1. 3 answers
2. asked by Anon
3. 1,143 views
A reservoir is in the form og the frustum of a cone with upper base of radius 8ft and lower base radius of 4 ft and altitude of
1. 3 answers
2. asked by Light
3. 2,607 views
Why does the titration of terephthalic acid yield a mass of approximately half the molar mass?
1. 1 answer
2. asked by Sam
3. 410 views
3. A particle of mass m= 5.00 kg is released from point A(at rest) and slides on the frictionless track shown in Figure below.
1. 1 answer
2. asked by VICTOR LAKAKI
3. 739 views
Consider the titration of 50 mL of 0.250 M HCl with 0.1250 M NaOH. Calculate the pH of the resulting solution after the
1. 1 answer
2. asked by George
3. 652 views
I toss a coin 4 times. Find the chance of getting the sequence HTHT
1. 2 answers
2. asked by adex
3. 1,283 views
I toss a coin 4 times. Find the chance of gettinga) 2 heads b) more heads than tails
1. 0 answers
2. asked by anonymous
3. 386 views
A random number generator draws at random with replacement from the digits 0, 1, 2, 3, 4, 5, 6, 7, 8, 9. Find the chance that
1. 2 answers
2. asked by anonymous
3. 491 views
A die is rolled 12 times. Find the chance that the face with six spots appears once among the first 6 rolls, and once among the
1. 1 answer
2. asked by anonymous
3. 452 views
Suppose a student guesses the answer to a true or false Question on a test by tossing a coin: if the coin lands Heads, she
1. 2 answers
2. asked by anonymous
3. 517 views
two charge 5NC and -2NC are placed at a point (5cm,0,0)and (23cm,0,0)in a region of a space where there is no other electric
1. 1 answer
2. asked by prachi
3. 743 views
To get an A grade on the test, you need a total score of more than 16 points. One of the students knows the correct answer to 6
1. 1 answer
2. asked by anonymous
3. 406 views
A die has one red face, two blue faces, and three green faces. It is rolled 5 times. Find the chance that the red face appears
1. 1 answer
2. asked by anonymous
3. 482 views
what are the institutions involved in redressing enviromental factors such as air pollution?
1. 2 answers
2. asked by dikeledi
3. 341 views
Let Alpha and Beta be the zeros ofthe cubic polynomial x^3 + ax^2 + bx + c satisfying the relation Alpha * Beta -1 = 0. Prove
1. 0 answers
2. asked by Steve
3. 477 views
What are the important features of a building which could be used as a milking shed(parlour),dairy(milk room) and food store to
1. 1 answer
2. asked by Zela
3. 406 views
describe the life style disease and explain 5 factor that contribute to the disease
1. 2 answers
2. asked by thapelo
3. 352 views
Where does Sonya live?She lives in Moscow. With whom does Sonya live? She lives with her father, mother and her little sister
1. 1 answer
2. asked by rfvv
3. 729 views
Name two institutions/community organization that are involved in supporting or giving redress to these disasters Teenage
1. 1 answer
2. asked by Thato
3. 519 views
wht are five critically discuss of five way in which the human or environmental problm impact on the community about food
1. 0 answers
2. asked by gladwin
3. 346 views
Suppose that you are in charge to see if dropping an iPhone 5 will damage it. You want to find the proportion of iPhone 5 that
1. 1 answer
2. asked by Ahmad Syukri
3. 522 views
What is the empirical formula of the compound with a mass percent composition of 70.0% Fe and 30.0% O? (Type your answer using
1. 1 answer
2. asked by sarah
3. 448 views
What is the empirical formula of the compound with a mass percent composition of 70.0% Fe and 30.0% O? (Type your answer using
1. 2 answers
2. asked by sarah
3. 606 views
A Toyota dealer wants to find out the age of their customers (for advertising purposes). They want the margin of error to be 3
1. 2 answers
2. asked by Ahmad Syukri
3. 725 views
Climbing to the top of Mount Everest is hard. But, it's slightly easier than you might think as people weigh less as they climb
1. 1 answer
2. asked by ayan
3. 541 views
Consider a five-pointed star made of resistors as shown below. Each resistor has resistance R=6 Ω. Find the equivalent
1. 1 answer
2. asked by ayan
3. 571 views
Consider a five-pointed star made of resistors as shown below. Each resistor has resistance R=6 Ω. Find the equivalent
1. 2 answers
2. asked by ayan
3. 731 views
a 2.3% (m/v) LiCI solution p;repared from 53.0 ml of a 10.0%(m/v)LiCI solution. what is volume in milliliters
1. 1 answer
2. asked by katie
3. 344 views
An electric pole touches the ground due to bending in a wind. It is found that standing part of pole is equal to the distance of
1. 1 answer
2. asked by raj
3. 588 views
A 3 kg objects falls from a height of 10 m to the ground. the work done by air resistance is 20 J. What is the kinetic energy of
1. 1 answer
2. asked by monea
3. 432 views
Give the potential energy function U = 2×^2-25×: determine the force function for this potential.
1. 1 answer
2. asked by monea
3. 381 views
Give the potential energy function U = 2×^2-25×: determine the force function for this potential.
1. 1 answer
2. asked by monea
3. 402 views
Critically discuss 5 ways in which the human problem impacts on the community
1. 1 answer
2. asked by Anonymous
3. 387 views
Any five purpose of fencing a farmland
1. 1 answer
2. asked by tumi
3. 396 views
In lin10 or 15 discuss 5 wayz in whch hiv impact on community
1. 2 answers
2. asked by Tdk
3. 314 views
an electron above the earth is balanced by the gravitational force and the electric field of the earth. find the electric field
1. 2 answers
2. asked by priya
3. 1,131 views
A pair of in-phase stereo speakers is placed side by side, 0.85 m apart. You stand directly in front of one of the speakers, 1.1
1. 1 answer
2. asked by Meder
3. 2,755 views
I post this early ; but didn't understand the answer..a 3-kg object falls from a height of 10m to the ground. The work done by
1. 0 answers
2. asked by monea
3. 382 views
A sample of argon gas at STP occupies 56.2 liters. Find the number of moles of argon and the mass in the sample
1. 3 answers
2. asked by Emily
3. 27,505 views
In 10-15 lines critically discuss 5 ways in which hiv & aids impacts on the community. Provide relevant sources to support your
1. 3 answers
2. asked by Samantha
3. 456 views
The simplified form of the complex no. (1-i/2 2i) (1/-2-2i) is.....?
1. 1 answer
2. asked by minte
3. 359 views
Inside an insulated container, a 250-g ice cubeat 0°C is added to 200 g of water at 18°C. (i) What is the final temperature of
1. 1 answer
2. asked by Meder
3. 843 views
IF the speed of train A is 10 mph slower than train B. Train A travels 220 miles in the same time it takes train B to travel
1. 1 answer
2. asked by nannypam
3. 1,084 views
Identify and describe 3 environmental health hazards that cause ill health,crises,and or disasters within your community or any
1. 2 answers
2. asked by Glenvarloch
3. 470 views
Calculate the density of atoms in (001) in lithium (Li).Express your answer in units of atoms/cm2. incorrect
1. 1 answer
2. asked by adex
3. 431 views
A student traveled 236 km in 18 days. At the same ratio how far would the student travel in 54 days.
1. 1 answer
2. asked by teddy
3. 382 views
If a conservationist catches 72 trout, tags them and throws them back in the lake. Later 33 trout are caught, 11 of them are
1. 1 answer
2. asked by teddy
3. 492 views
C0rr+missi0n+kill+name+id++real+name+die
1. 0 answers
2. asked by Anonymous
3. 292 views
in 10-15 lines critically discuss 5 ways in which the teenage pregnancy impacts on the community
1. 2 answers
2. asked by Sbusiso
3. 565 views
Help please, Four charges are placed at the four corners of a square of side 15 cm.The charges on the upper left and right
1. 0 answers
2. asked by daryl
3. 740 views
if 1,x,y is a geometric sequence and x,y,3 is an arithmetic sequence, compute the maximum value of x+y
1. 3 answers
2. asked by Sarah
3. 1,995 views
Explain the term "borrow". Describe the situation in which it is used. Describe the confusion that may result from its use.
1. 1 answer
2. asked by Angela
3. 590 views
What are the welfare payments or consumer subsisdies?
1. 1 answer
2. asked by Thobeka
3. 364 views
A random sample of 100 of a population Mean is 31 and standard deviation 22 Approximate probability of 28
1. 1 answer
2. asked by Dorri
3. 422 views
If a 20-sided fair die with sides distinctly numbered 1 through 20 is rolled, the probability that the answer is a perfect
1. 3 answers
2. asked by Hale
3. 1,022 views
Why did Columbus fail as an administrator on land but excel as a ship captain?
1. 1 answer
2. asked by Gregory
3. 409 views
A 2.0 mass tied to the end of a 1.5m string swings as a pendulum. At the lowest point In its swing, the speed of the mass is 4.6
1. 0 answers
2. asked by monea
3. 443 views
With a mass = 10 k.. the horizontal surface on which the block slides is frictionless. The speed of the block before it touches
1. 0 answers
2. asked by monea
3. 647 views
Two masses are slideing on a horizon frictionless surface. A 10 kg mass has a velocity of 9 m/s in the x direction and a 20 kg
1. 1 answer
2. asked by monea
3. 370 views
The solubility of the fictitious compound, administratium fluoride (AdF3) in water is 3.091×10−4 M. Calculate the value of
1. 2 answers
2. asked by adex
3. 655 views
<11{7[2(03)79]}> Looking to increase the profits of his lemonade stand, Johann doubled the price of a cup of lemonade from 25
1. 0 answers
2. asked by Donna
3. 1,367 views
<11{1[3(02)02]}> Catherine goes to her local movie theater only to see romantic comedies. Since Catherine did not go to the
1. 0 answers
2. asked by Donna
3. 762 views
11{2[3(11)35]}> Some politicians claim to support the environment in speeches they make around the country. However, to get to
1. 0 answers
2. asked by Donna
3. 1,049 views
<21{3[2(08)44]}> Surveys show that people who use calorie information to decide which foods to eat consume on average 100
1. 0 answers
2. asked by Donna
3. 945 views
<11{5[1(01)57]}> Arthur: The solutions to most mystery novels I read are not believable. However, my enjoyment of a mystery
1. 0 answers
2. asked by Donna
3. 1,055 views
<7{6[3(02)66]}> In a survey of 10 film historians, half voted for Nosferatu as the greatest vampire film ever made, and the
1. 1 answer
2. asked by Donna
3. 1,053 views
The energy of vacancy formation in palladium (Pd) is 1.5 eV. At 888C there is one vacancy for every million (106) atom sites.
1. 1 answer
2. asked by Anonymous
3. 415 views
Max and Seymour are purchasing their first home using a VA guaranteed mortgage loan. Both have full entitlement. Their combined
1. 0 answers
2. asked by tmouery
3. 755 views

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