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2013
April

Questions Asked on April 21, 2013

the question is:"The absolute magnitude of a star is -12.. How would you describe its brightness?"
1. 1 answer
2. asked by Ke
3. 614 views
Consider the function f(x)=xe^2x. Find the intervals on which f(x) is concave up and the intervals where it is concave down.
1. 1 answer
2. asked by anonymous
3. 3,006 views
A plane has a speed of 250mph and flies with a bearing of N35degE. The wind is blowing from the west at 25 mph with a heading of
1. 2 answers
2. asked by Nancy
3. 2,062 views
a boat leaves a dock at 2:00pm ,heading west at 15 km/h. another boat heads south at 12km/hand reaches the same dock at 3:00 pm,
1. 0 answers
2. asked by khan
3. 660 views
8:12 minus 41 minutes
1. 3 answers
2. asked by KIM
3. 266 views
What is the literary term when something serious is happening and there is humor?
1. 2 answers
2. asked by Anonymous
3. 437 views
If the first bell is at 8:12 but the all the buses are at the school at 8:00 (around 8:05 they let all the students out of the
1. 1 answer
2. asked by KIM
3. 406 views
how did Palace Of Fine Arts got its name
1. 6 answers
2. asked by Emily
3. 346 views
the demand for a certain type of auto tire is given by x=f(p) 50(1+e^-p/60).a)if the weekly quantity demanded is 60000 tires
1. 0 answers
2. asked by anonymous
3. 457 views
"You are told you will receive the following cash payments at the end of the next three years:Year 1: $10,000 Year 2: $25,000
1. 0 answers
2. asked by mark1124
3. 442 views
Use logarithmic differentiation to find the following derivative:y=(x+6)^4/(x-5)^6. Please show all step so I can understand for
1. 1 answer
2. asked by anonymous
3. 573 views
You won a lottery which pays $10,000 per year for 10 years (at the end of each year). Assuming a discount rate of 8% calculate
1. 0 answers
2. asked by john9999
3. 393 views
Consider the function f(x) = x - lnx. Find the intervals on which f(x) is increasing and the intervals where it is decreasing.
1. 1 answer
2. asked by Rene
3. 549 views
Consider the function f(x) e^x-1/2x^2. Find all points of inflection if they exist. Please show sign graph and show work in
1. 1 answer
2. asked by Rene
3. 390 views
Use logarithmic differentiation to find derivative of y=x^x^2 x > 0. Please show all steps so I can follow the steps. Thank
1. 1 answer
2. asked by Sean
3. 546 views
if 4^(x)-4^(x-1)=24 what is the value of (2x)^x? please answer and explain step by step how u got it... PLEASE?????
1. 1 answer
2. asked by don
3. 295 views
How are video games educational? Can you list some ideas?
1. 1 answer
2. asked by Asahel
3. 362 views
2. Cindy Lou makes $30,000 per year as an exempt employee. She worked 15 hours of overtime in the month of September. Payday for
1. 0 answers
2. asked by Anonymous
3. 422 views
p varies jointly as u and B^2 when u = 4 and B = 5, P = 300. find P when u is 1 and Bis 11
1. 1 answer
2. asked by tesha
3. 372 views
Jack is making square pillows for his room. He is using different fabric for each face, one width a width of 80 inches and the
1. 0 answers
2. asked by Aeriel
3. 484 views
What is the number of ATP molecules produced by the beta oxidation of eicosanoic acid?
1. 1 answer
2. asked by Anonymous
3. 345 views
what is the longest river in the world?
1. 1 answer
2. asked by Jeconiah
3. 477 views
When f(x)is divided by x-1 and x+2,the remainders are 4 and -2 respectively . Hence find the remainder when f(x)is divided by
1. 0 answers
2. asked by Candice
3. 439 views
If x
1. 1 answer
2. asked by Jerrie
3. 237 views
If x belongs Z, Solve the equation sq.rt(1) + sq.rt(2) + sq.rt(3) + .......... + sq.rt(x^) + sq.rt(x^+1) + sq.rt(x^2+2) = 5190
1. 0 answers
2. asked by Jerrie
3. 316 views
If a Ferris wheel has a 64 m radius and the center ot the wheel is 84 m above the ground, what is the height of a carriage above
1. 1 answer
2. asked by Natalie
3. 323 views
Given the equation C2H4(g)+3O2(g)>2CO2(g)+2H2O(l)+1411kJ, how much heat is released when 8.00g of O2 react?
1. 1 answer
2. asked by Haily
3. 1,051 views
What is the fastest way to compare two strings containing only numbers.eg: "3423492349328492343.939842903482304"
1. 0 answers
2. asked by David
3. 385 views
Assign oxidation states to all atoms in each of the following. explain the order in which you determine the oxidation states for
1. 0 answers
2. asked by Juan
3. 624 views
4, Assign oxidation states for the two elements in the compound OF2. Explain the rules that you use.5. For each of the following
1. 1 answer
2. asked by Juan
3. 1,372 views
What is the solubility of Ca3(PO4)2 in 0.06 M of K3PO4
1. 0 answers
2. asked by Roderick
3. 436 views
What is the solubility of Ca3(PO4)2 in 0.045 M of CaCl2
1. 0 answers
2. asked by Roderick
3. 454 views
At the end of the play, Mrs. Popov and Smirnov appear to be in love. Considering what has happened in the play, why is this
1. 1 answer
2. asked by Linnie
3. 564 views
Propose buffer components to hold a pH of 3.5, let the acid have a concentration of 0.1 M show all work
1. 0 answers
2. asked by Roderick
3. 350 views
Propose buffer components to hold a pH of 9.5, let the base have a concentration of 0.1 M show all work please
1. 1 answer
2. asked by Roderick
3. 373 views
A canoe of mass 38 kg lies at rest in still water. A man and a woman are at opposite ends of the canoe 4.0 m apart and
1. 0 answers
2. asked by Anonymous
3. 1,088 views
Given that on average, an atom of gold weighs 3.27×10^−22grams, how muchdoes an Avagadro’s number of gold atoms weigh (take
1. 1 answer
2. asked by Katie
3. 775 views
what happens to a battery when it is "recharged"
1. 0 answers
2. asked by Juan
3. 312 views
A canoe of mass 38 kg lies at rest in still water. A man and a woman are at opposite ends of the canoe 4.0 m apart and
1. 1 answer
2. asked by Anonymous
3. 1,011 views
Consider the following second order differential equation:y"-2x^(2)y+y^(3)=17cos(4x) with y(0)=4 , y'(0)=-9 If we let u=y and
1. 1 answer
2. asked by mahdi
3. 440 views
Sophia exerts a steady 40-N horizontal force on a 8-kg box resting on a lab bench. The box slides against a horizontal friction
1. 3 answers
2. asked by Cassie
3. 4,512 views
Sophia exerts a steady 40-N horizontal force on a 8-kg box resting on a lab bench. The box slides against a horizontal friction
1. 1 answer
2. asked by Cassie
3. 552 views
Show that the average speed of a rabbit that runs a distance of 30 m in a time of 2 s is 15 m/s.
1. 1 answer
2. asked by Cassie
3. 1,027 views
Show that the acceleration of a hamster is 5 m/s2 when it increases its velocity from rest to 10 m/s in 2 s.
1. 1 answer
2. asked by Cassie
3. 1,761 views
A different scaffold that weighs 400 N supports two painters, one 500 N and the other 400 N. The reading in the left scale is
1. 4 answers
2. asked by Cassie
3. 5,669 views
What are the two institutions/community organizations that are involved in supporting or giving redress to these disasters of
1. 2 answers
2. asked by Pretty
3. 458 views
What are the institutions/community organizations tha are involved in supporting or giving redress to these disasters of hiv and
1. 1 answer
2. asked by Anonymous
3. 502 views
prove nC(r-1) + (n+1)C(r-1) + (n+2)C(r-1)+ ... +(n+k)C(r-1) = (n+k+1)Cr
1. 0 answers
2. asked by nCr
3. 233 views
So if mgh=1/2mv^2 and I'm solving for v is my answer going to be v= squareroot of 2* (gravity) 9.8m/s^2* (height) 3.67m?
1. 1 answer
2. asked by Kay
3. 413 views
producea java program which when given 3 sides of a triangle determines whether the traingle is an equilateral an issosceles or
1. 1 answer
2. asked by henry
3. 303 views
there will be a coin toss to determine the winner of the $5 million prize. You are offered $100,000 for your ticket right now.
1. 1 answer
2. asked by m
3. 763 views
A foam plastic ( sg = 0.58 ) is to be used as a life preserver. What volume of plastic must be used if it is to keep 20 % (by
1. 1 answer
2. asked by ynna
3. 760 views
Identify one environmental or human factor that causes ill health?
1. 4 answers
2. asked by Vutivi
3. 437 views
A neutral solid conducting cylinder rotates about its axis with angular speed 1600 rad/s. In addition, there is an external
1. 0 answers
2. asked by help
3. 440 views
The velocity of sound in the atmosphere is c=300 m/s. An airplane is traveling with velocity v=600 m/s at an altitude of h=8 km
1. 1 answer
2. asked by help
3. 595 views
Name two community organizations that are involved in supporting or giving redress to these factors.explain how these community
1. 1 answer
2. asked by Mthokozisi
3. 916 views
identify and describe 3 environmental health hazards that cause ill health,accidents,crises and disasters within South Africa
1. 2 answers
2. asked by tshiamo
3. 487 views
What is the distance on the ground between 2 posts when the posts are attached to a platform that is 6 feet square and attached
1. 1 answer
2. asked by Gina
3. 485 views
10 ways in which the environmental health hazard can impact on one's health
1. 1 answer
2. asked by Nhlanhla
3. 428 views
What impact causes by cancer on the teenager?
1. 2 answers
2. asked by Njenje
3. 321 views
y=x+1 x+y=3
1. 1 answer
2. asked by JIMOH
3. 212 views
Identify and describe 3 enviromental health hazards that cause ill health,crises and disastres within your community or any
1. 1 answer
2. asked by Kgantsho
3. 459 views
KINDLY GIVE ME 2 PARAGRAPHS, WHY BRAIN IS IMPORTANT?THANK YOU
1. 2 answers
2. asked by PLEASSSEEE HELP MEE
3. 364 views
Recommendations How to address hiv/aids
1. 2 answers
2. asked by Anonymous
3. 355 views
Identify one environmental or human factor that causes ill health or accidents or disasters within your community or any other
1. 1 answer
2. asked by Lungelo
3. 849 views
in 10 to 15 lines what are 5 ways in which the human or environmemt problem impacts on the comunty
1. 1 answer
2. asked by khomotso
3. 304 views
5 ways in which the human or environmental problem impacts on the conmunity
1. 2 answers
2. asked by siphe
3. 342 views
Identify one environmental or human factor that causes ill health.
1. 2 answers
2. asked by Mbally
3. 371 views
in 10 to 15 lines what are 5 ways in which the human or environmemt problem impacts on the comunty
1. 1 answer
2. asked by khomotso
3. 334 views
outline and explain the objectives of fencing a farmland?
1. 1 answer
2. asked by katlego mbobo
3. 360 views
I Need Help to Start my Thematic Essay, Theme is change- Throughout united states history individuals other than presidents have
1. 3 answers
2. asked by Lupe
3. 502 views
Discuss 5 waysHow does human or environmental problems impact on the community
1. 1 answer
2. asked by Nicole
3. 390 views
A 2.5 g sample of NaOH (Mw = 40.00) was dissolved in water to give asolution of final volume 250 cm3. (i) With reasons, state
1. 0 answers
2. asked by LUx
3. 796 views
outline and explain the objectives of fencing a farmland?
1. 1 answer
2. asked by katlego mbobo
3. 342 views
write raction of benzoic acid with propylamine
1. 1 answer
2. asked by chemistry
3. 347 views
outline and explain the objectives of fencing a farmland?
1. 3 answers
2. asked by katlego mbobo
3. 369 views
Cindy Lou makes $30,000 per year as an exempt employee. She worked 15 hours of overtime in the month of September. Payday for
1. 1 answer
2. asked by Anonymous
3. 414 views
A 5.00-meter steel beam of uniform cross section and composition weighs 100 N. What is the minimum force required to lift one
1. 0 answers
2. asked by Anonymous
3. 693 views
Between 1800 to 1860, how long did the slaves work on the cotton field daily?
1. 1 answer
2. asked by Omario
3. 351 views
The left end of a 1-kg, 1.0 m long uniform thin rod is attached to a pivot, about which it can rotate freely. A force F is
1. 1 answer
2. asked by gina
3. 582 views
A chemical substance that causes dyes to set is called?
1. 1 answer
2. asked by brianna
3. 601 views
Find the derivative of the following:f(x)=ln(e^(2x)/(x^2-4)^3 Please show all steps so I can follow Thanks!
1. 3 answers
2. asked by Sean
3. 419 views
Use logarithmic differentiation to find the following derivativey=(x+6)^4/(x-5)^6. Please show all steps so I can follow for
1. 2 answers
2. asked by Sean
3. 503 views
Use logarithmic differentiation to find the derivative of the following:y=x^x^2 x>0 Please show all steps so I can following for
1. 1 answer
2. asked by Sean
3. 368 views
what are the institutions/community organization that are involved in supporting or giving redress to these disasters? And how
1. 2 answers
2. asked by edgar
3. 528 views
Explain 5(or more)factors that contribute to the substance abuse of both Legal and Illegal drugs among the youth
1. 1 answer
2. asked by Millicent
3. 441 views
Doe sodium chloride completely dissolve,partially dissolves or insoluble
1. 1 answer
2. asked by Muofhe
3. 301 views
Doe sodium chloride completely dissolve,partially dissolves or insoluble
1. 1 answer
2. asked by Muofhe
3. 324 views
Two Cards are drawn without replacement from a deck of 52 cards.What are the odds in favor of drawing two honour cards
1. 1 answer
2. asked by Josh
3. 385 views
Prove the following:sin(x+y)sin(x-y) = cos^2 (y) - cos^2 (x)
1. 1 answer
2. asked by Zack
3. 388 views
how many ways could somebody make a house rectangular house if she used 23 connecting cubes?explain
1. 1 answer
2. asked by damyia
3. 315 views
Find the distance around the track if x=20 feet and y=25 feet
1. 0 answers
2. asked by Paula
3. 282 views
HOW TO INTEGRATE :2π∫x√(1+4x^2exp(-2x^2)) Thank you,
1. 0 answers
2. asked by 999
3. 302 views
Discuss ways poverty in the community/in schools problem impacts
1. 0 answers
2. asked by Berry
3. 364 views
A concentration cell consists of the same re- dox couples at the anode and the cathode, with different concentrations of the
1. 0 answers
2. asked by David
3. 515 views
Please help!:( What mass of copper would be produced by the reduction of copper(II) ions during pas- sage of 1 ampere of current
1. 2 answers
2. asked by Steven Gomez
3. 722 views
A long straight horizontal bar vibrates in a vertical direction with a frequency of 1.50 Hz on the surface of a large tank of
1. 0 answers
2. asked by Meder
3. 458 views
how many square tiles each with side 20cm must be used for a square flooring with sides 10m
1. 1 answer
2. asked by Wesley Frederick
3. 387 views
A concentration cell consists of the same re- dox couples at the anode and the cathode, with different concentrations of the
1. 0 answers
2. asked by Steven Gomez
3. 537 views
A polynomial f(x) has degree 8 and f(i)=2^i for i=0,1,2,3,4,5,6,7,8 . Find f(9).
1. 1 answer
2. asked by me
3. 298 views

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