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2011
June

Questions Asked on June 21, 2011

A 900 kg car pushes a 1900 kg truck that has a dead battery. When the driver steps on the accelerator, the drive wheels of the
1. 3 answers
2. asked by Kate
3. 11,022 views
John & Jane are married. The probability that John watches a certain television show is .4. The probability that Jane watches
1. 1 answer
2. asked by CC
3. 8,901 views
25cm3 of a solution of 0.1mol dm-3 NaoH reacts with 50cm3 of a solution of hydrochloric acid.What is the molarity of the acid
1. 7 answers
2. asked by jonah
3. 8,078 views
molecular and net ionic equations for FeCl3 + Na2S
1. 1 answer
2. asked by chelsea
3. 3,762 views
As a baseball is being caught, its speed goes from 30 to 0 m/s in about 0.005 its mass is 0.145.A) What is the baseballs
1. 3 answers
2. asked by Ralph
3. 3,462 views
Given: BD is a diameter m 1 = 100°m BC = 30°m 2 = ?degrees Given: BD is a diameter m 1 = 100°m BC = 30° m 3 = ? degrees
1. 1 answer
2. asked by terri
3. 3,224 views
There are three seating categories at a stadium. For a softball game, Class A# seats cost $15, Class B cost $12. and Class C
1. 2 answers
2. asked by John
3. 3,182 views
Express the number 25 as a sum of two nonnegative numbers whose product is as large as possible.
1. 2 answers
2. asked by Sandhya
3. 3,108 views
Calculate the number of moles of FeSO4 in 25cm3 of a 0.2mol dm3 solution
1. 5 answers
2. asked by Richard
3. 2,949 views
The three ropes in the figure are tied to a small, very light ring. Two of the ropes are anchored to walls at right angles, and
1. 2 answers
2. asked by Sam
3. 2,948 views
calculate the weight of carbon momoxide having same number of O2 atoms as are present in 22g of carbon dioxide
1. 9 answers
2. asked by joyti
3. 2,708 views
A body travels along a circular path of radius 70 m.After travelling half a revolution in 20 s find the ;1.average velocity
1. 2 answers
2. asked by Saurabh
3. 2,606 views
Calculate the relative molecular mass of a gas if a 500cm3 sample at 20¢ªC and 1 atomic mass of 0.66g
1. 2 answers
2. asked by jose
3. 2,333 views
Below is the last stanza of a poem, "Dover Beach," written in 1876 by Matthew Arnold.Ah, love, let us be true To one another!
1. 9 answers
2. asked by Anonymous
3. 2,329 views
consider a neutral atom with 30 protons and 34 neutrons. What is the mass number for the atom?
1. 2 answers
2. asked by mema
3. 2,286 views
If m angle 1 = 90°, what is m ADB?
1. 2 answers
2. asked by terri
3. 2,243 views
april sells specialty teddy bears at various summer festivals. her profit for a week,P, in dollars, can be modelled by P=
1. 1 answer
2. asked by geekgirl95
3. 2,206 views
3.A car with a mass of 1500 kg is parked on a hill with an incline of 20°.a.What is the weight of the car? b.What is the normal
1. 1 answer
2. asked by Hunter
3. 2,072 views
how many gram molecules are present in 4.9g of H2SO4
1. 2 answers
2. asked by joyti
3. 2,059 views
what is the following reaction?HNO3(aq) + KOH(aq) ---> KNO3(aq) + H2O(l)
1. 1 answer
2. asked by miranda
3. 2,038 views
1. A common symptom of a behavior disorder is2. When children have accidents with bowel or bladder control, the teacher aide
1. 12 answers
2. asked by teachers aide and early childhood education settin
3. 1,767 views
calculate the molality of one molarity solution of sodium nitrare. the density of solution is 1.25g cm cube.
1. 1 answer
2. asked by joyti
3. 1,594 views
What is the mass number of an atom of potassium that has 20 neutrons?
1. 3 answers
2. asked by mema
3. 1,528 views
1. There are three forces acting on an object, a 30N force pulling right, a 50N force pushing right, and 30N frictional force
1. 2 answers
2. asked by molly
3. 1,490 views
I have deleted your post because you included your email address in it. That is not a safe thing to do online. Please remember
1. 1 answer
2. asked by Writeacher
3. 1,456 views
umbrella, homework,slowly, follow... what word ofstressed syllable is different?
1. 2 answers
2. asked by zxania
3. 1,399 views
A car travels at an average speed of 36 kilometers per hour. Write and solve an equation to predict how many hours if will take
1. 2 answers
2. asked by jewel padilla
3. 1,378 views
Given the quadratic function f(x) = x2 – 12x + 36, find a value of x such that f(x) = 25.
1. 1 answer
2. asked by RANDA
3. 1,377 views
Determine the equation of joint variation. Then solve for the missing value.x varies directly with y and z. x = 400 when y = 8
1. 2 answers
2. asked by tyler
3. 1,327 views
Human vision can distinguish objects down to about a 4th of a millimeter (~250 micrometers). Given this, which of the following
1. 2 answers
2. asked by Kay
3. 1,301 views
3.Explain the major tenets of Hinduism and its evolution from the Aryans to the Gupta.Please help with this question I have no
1. 3 answers
2. asked by Nina
3. 1,268 views
A sample of serum has a mass of 54 gm and a volume of 225cm. What's the density in g/cm? I think the answer is .24g/c please
1. 4 answers
2. asked by Wendell
3. 1,255 views
The notation [x ] stands for the greatest integer that is less than or equal to x. Calculate [-1,2]
1. 1 answer
2. asked by Ladoo
3. 1,223 views
1. Imagine you are in the market for a new home and are interested in a new housing community under construction in a different
1. 1 answer
2. asked by Libby
3. 1,136 views
A diesel engine's piston compresses 16 cm3 of fuel-air mixture into 1 cm3. The pressure changes from 1 atmosphere to 48
1. 1 answer
2. asked by jasmine
3. 1,125 views
Sum of 2 numbers is 1 and their product is 1/8. Find their difference.
1. 1 answer
2. asked by Khalid
3. 1,106 views
what is the purpose of a diode in a cordless drill or power screwdriver?
1. 2 answers
2. asked by vicki
3. 1,089 views
Write an equivalent expression without using grouping symbols -(3x+5)
1. 1 answer
2. asked by Poochie
3. 1,075 views
How many calories are absorbed by a copper spoon with a mass of 200 grams as it changes from 28°C to 33°C?A) 0.00027 B) 3 C)
1. 1 answer
2. asked by Destiny
3. 1,023 views
The carbon tetrachloride molecule,CCi4 iswhat kind of molecule and bond?
1. 1 answer
2. asked by mema
3. 1,021 views
Given that iron has a density of 7.87 g/cm3, calculate the volumeof 100 g of iron and 50 g of iron
1. 0 answers
2. asked by John
3. 978 views
Intravenous infusions of sodium bicarbonate are often given to acidotic patients to correct acidosis and relieve the strain of
1. 0 answers
2. asked by skyler
3. 975 views
the equation of a line perpendicular to the line y = x - 3 and containing the point (8, -2).
1. 1 answer
2. asked by olivia
3. 971 views
Block B weighs 716 N. The coefficient of static friction between block and table is 0.31. Assume that the cord between B and the
1. 1 answer
2. asked by Chelsea
3. 956 views
1)(5, -3) is reflected over the y-axis. What are the coordinates of the image?A) (5, 3) B) (-5, 3) C) (-3, 5) D) (-5, -3) 2)If a
1. 1 answer
2. asked by Rae Rae
3. 952 views
calculate the molality of one molarity solution of sodium nitrare. the density of solution is 1.25g cm cube.
1. 0 answers
2. asked by joyti
3. 901 views
complete and balance the following molecular equations and then write net ionic equations for each reaction.BaCl2(aq) +
1. 2 answers
2. asked by chelsea
3. 900 views
Joe has a collection of nickels and dimes that is worth $6.20. If the number of dimes was doubled and the number of nickels was
1. 2 answers
2. asked by TAINA
3. 877 views
A standard solution of FeSCN2+ is prepared by combining 9.00 mL of 0.200 M Fe(NO3)3 w/1.00 mL of 0.0020 M KSCN. The equilibrium
1. 0 answers
2. asked by Neil
3. 876 views
Why do the halogens easily form ionic and covalent bonds?Can someone explain this to me?! :(
1. 3 answers
2. asked by marie(:
3. 861 views
If the angular velocity is increased by 17 times of the earth what will be the weight of an object at the equator?
1. 1 answer
2. asked by Raju prasad
3. 857 views
A hang glider and its pilot have a total mass equal to 120 kg. While executing a 360 degree turn, the glider moves in a circle
1. 0 answers
2. asked by Isaac
3. 846 views
what is the similarity ratio for two circles with areas 2pi m2 and 200pi m2
1. 2 answers
2. asked by Anonymous
3. 821 views
a driver releases an air bubble of volume 2.0 cm^3 from a depth of 15 m below the surface of a lake where the temperature is
1. 1 answer
2. asked by j
3. 803 views
what is the element with the electron arrangement 2 8 7
1. 1 answer
2. asked by mema
3. 801 views
What is the mass difference between sodium ion vs. sodium atom?
1. 2 answers
2. asked by mema
3. 786 views
Hi, I solved this problem, but I want to make sure it is correct:2 equal charges are separated by 3.7x10^-10m. The force between
1. 1 answer
2. asked by Anonymous
3. 782 views
a piece of wood that measures 3.0 cm by 4.0 cm by 5.0 cm has a mass of 90.og. what is the density of the wood? would the piece
1. 0 answers
2. asked by dylan
3. 762 views
You are observing a slide of green cells under the 4X objective. Each cell covers roughly 1/8th of the width of your field of
1. 1 answer
2. asked by Kay
3. 755 views
Find the total surface area of a square pyramid with a base length of 18 and height of 12
1. 2 answers
2. asked by Anonymous
3. 738 views
Filling a tank. Two pipes are connected to the same tank. Working together they can fill the tank in 4 hrs. The larger pipe
1. 1 answer
2. asked by AJA
3. 734 views
A flower pot is dropped out of the twentieth story window. How far does the pot drop in 3 seconds? How fast will it be moving
1. 1 answer
2. asked by Nicki
3. 731 views
2. A golf ball is hit off the tee with an initial speed of 32 m/s at an angle of 29° with respect to the horizontal.a. What is
1. 3 answers
2. asked by Hunter
3. 719 views
5 ways in which human impacts on community
1. 1 answer
2. asked by Katlego
3. 717 views
1. Tyler pulls a box full of baby ferrets across the floor by means of a rope that is tied to the box. The rope makes an angle
1. 1 answer
2. asked by Anonymous
3. 716 views
What is deductive order strategy?
1. 2 answers
2. asked by M arla
3. 704 views
What mass of CO2 could be formed from the reaction of 16 g of CH4 with 32 g of O2 ?
1. 2 answers
2. asked by christi
3. 702 views
1.Approximate sqrt3 by applying Newton's Method to the equation(x^2-3) = 0 2.The equation (x^3-x-2) = 0 has one real solution
1. 0 answers
2. asked by Sandhya
3. 697 views
Solve using the substitution method. Show your work. If the system has no solution or an infinite number of solutions, state
1. 1 answer
2. asked by Taina
3. 694 views
What is the mass of a football player who 1250 N?
1. 1 answer
2. asked by A
3. 688 views
A rectangular garden 10m * 18m . Find the area of a sidewalk that is 2m from the side of a garden ?
1. 2 answers
2. asked by lina
3. 665 views
There are 6 batteries. Two are defective. If you pull out two batteries, what is the probability that neither are defective?Is
1. 1 answer
2. asked by Todd
3. 664 views
If a 68kg object is being pulled across the hard floor with a horizontal force of 400N...a. What would the acceleration of the
1. 1 answer
2. asked by molly
3. 644 views
1. a force of 30n with a direction of 35 degrees northwest acts on point p. Find:a) the northward component on the force b) the
1. 4 answers
2. asked by Molly
3. 642 views
A 36 kg box hangs from a rope. What is the tension in the rope if the following are true?(a) The box moves up a steady 5.0 m/s?
1. 0 answers
2. asked by Ashley
3. 640 views
My Assignment:Read the book, 'Animal Farm' by George Orwell. After reading the book, create a composition that examines the
1. 1 answer
2. asked by Jordan
3. 622 views
2. Tyler pulls a box full of baby ferrets across the floor by means of a rope that is tied to the box. The rope makes an angle
1. 1 answer
2. asked by Molly
3. 619 views
I corrected the two sentences as you told me. Can you please check them? Thank you.1) Coleridge's view of nature, unlike
1. 1 answer
2. asked by Henry
3. 617 views
mechanism of natural selection( heritability, variation, differential reproductive success) how it works with behavioral
1. 3 answers
2. asked by ami
3. 608 views
Could you please check these last two sentences, please? Thank you for your help.1. Britain entered the First World War in 1914
1. 1 answer
2. asked by Henry1
3. 601 views
Find the possible values of a, if the distance between the points is 5, and the coordinates are (1,1) and (4,a)I'm not quite
1. 2 answers
2. asked by Lyn
3. 599 views
Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state
1. 1 answer
2. asked by NATASHA
3. 592 views
how many grams of lithium hydroxide are needed to remove 4500 grams carbon dioxide by a submarine atmospheric regulator and acts
1. 3 answers
2. asked by Kenzie
3. 591 views
James and Steve have a contest to see who can kick a football further. James kicks the football at an angle up of 57 degrees,
1. 1 answer
2. asked by Molly
3. 589 views
Given that Sin(A+B)=2Cos(A-B) and tan A = 1/3 ,Find the exact value of tan B.
1. 1 answer
2. asked by CHRYSTABELLE
3. 582 views
Could you please help me check these sentences? Thank you very much in advance.1) The First World War, or the Great War as it
1. 1 answer
2. asked by Henry1
3. 579 views
You throw a ball horizontally off of a building with a horizontal velocity of 5 m/s. What's the ball horizontal velocity 8
1. 2 answers
2. asked by Jennifer
3. 573 views
Thank you really much. Here are some more sentences I'd like you to check.1)Victorian refers to a set of moral values which were
1. 1 answer
2. asked by Henry
3. 565 views
Battle of Chattanooga, last fought by Grant and Sherman together. Why was its outcome significant ?
1. 3 answers
2. asked by Joanne
3. 559 views
Why is iodine important to biological tissues such as the thyroid gland? Give a prediction for why iodine is added to the table
1. 2 answers
2. asked by Jake
3. 557 views
Can you just check if everything is correct? Thank you.1) Focus on the two recurrent themes in Joyce’s Dubliners and explain
1. 3 answers
2. asked by Henry
3. 554 views
PLS I NEED POINTS TO WRITE THIS DEBATE. Write against the motion ' The use of mobile phones by second cycle institution boarding
1. 4 answers
2. asked by Joseph
3. 553 views
If a 70g swimmer pushes off a pool wall with a force of250n, what is her acceleration?
1. 1 answer
2. asked by A
3. 551 views
A projectile spends a total of 20 seconds in the air. It reaches a peak height of 8 meters. How long does it take to reach it's
1. 1 answer
2. asked by Rosie
3. 546 views
Perform the indicated operation if possible simplify 3/4 / (-2/3)
1. 1 answer
2. asked by Shondra
3. 543 views
Multiply. show complete work2x + 4 by -5x2 – 3x – 2
1. 1 answer
2. asked by AJA
3. 541 views
How many hydrogen atoms will bond with each nitrogen atom?
1. 0 answers
2. asked by Sherri
3. 540 views
Rewrite with positive exponents. Assume that even roots are of nonnegative quantities and that all denominators are nonzero.
1. 1 answer
2. asked by NATASHA
3. 537 views
I forgot to include this sentence. Can you please check the tense choice since I switched from the past to the present? Thank
1. 1 answer
2. asked by Henry
3. 534 views
The standard solution of FeSCN2+ (prepared by combining 9.00 mL of 0.200 M Fe(NO3)3 w/1.00 mL of 0.0020 M KSCN) has an
1. 0 answers
2. asked by John
3. 532 views

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