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Questions Asked on March 31, 2013

A potter forms a piece of clay into a right circular cylinder. As she rolls it, the height h of the cylinder increases and the
1. 4 answers
2. asked by mike
3. 22,853 views
the mass of earth is 5.97 x 10^24 kilograms. The mass of the moon is 7.34 x 10^22 kilograms.Part A: What is the combined mass of
1. 13 answers
2. asked by Jayson Angole
3. 10,995 views
A body of mass 3 kg experiences a force F=(2i +2j) N. If its initial velocity v=( -8i + 4j) m/s, then the time at which it will
1. 3 answers
2. asked by Clandestine
3. 8,532 views
Consider the decomposition of barium carbonate: BaCO3(s)= BaO(s) + CO2(g). Using data from Appendix C in the textbook, calculate
1. 4 answers
2. asked by Jona
3. 5,739 views
Acetylene, C2H2, can be converted to ethane, C2H6, by a process known as hydrogenation. The reaction is:C2H2(g) + 2H2(g) ===
1. 1 answer
2. asked by Ezra
3. 4,362 views
Which of the following could be added to a solution of sodium acetate to produce a buffer? ?A) acetic acid only B) acetic acid
1. 1 answer
2. asked by hannah
3. 3,877 views
In a carnival game, a player spins a wheel that stops with the pointer on one (and only one) of three colors. The likelihood of
1. 3 answers
2. asked by Sydney
3. 3,751 views
the library has a total collection of 2630 books. the number of non-fiction books is 240 fewer than the number of fiction books
1. 3 answers
2. asked by shohanur
3. 3,535 views
Determine the value of the equilibrium constant,Kgoal , for the reactionN2(g)+O2(g)+H2(g)<=> (1/2)N2H4(g) + NO2(g) Kgoal=? by
1. 2 answers
2. asked by Sean
3. 3,473 views
A baseball player hits a baseball into the air with an initial vertical velocity of 48 feet per second from aheight of 3 feet.
1. 1 answer
2. asked by Elizabeth
3. 3,040 views
from what height must a heavy elastic ball be dropped on a floor ,so thatafter reboundingthrice it will reach a height of 16
1. 1 answer
2. asked by Anonymous
3. 2,653 views
Determine if HNO3 can dissolve in the following metal:1) Write a balanced chemical reaction showing how the 2.09g Cu dissolves
1. 3 answers
2. asked by Lisa
3. 2,645 views
the profit (p), in dollars, for a company is modeled by the function p(x) = -750x^2 + 15,000x, where x is the number of items
1. 3 answers
2. asked by Anonymous
3. 2,178 views
Gary has 10 coins in his pocket.2 quarters 5 dimes 3 nickels without looking, Gary pulls 1 coin from his pocket and puts it on a
1. 3 answers
2. asked by sheryl
3. 1,885 views
Two people start running from rest. The first person has a mass of 59 kg and is wearingdress shoes with a coefficient of static
1. 2 answers
2. asked by Anonymous
3. 1,745 views
Quick question-1) All of the following contributed to the Spanish victory over the Aztecs except (1 point) disease wiped out
1. 11 answers
2. asked by Anonymous
3. 1,653 views
Melissa earned a score of 75% on her firsttest. She wants to earn an 85% on her second test. What is the percent increase,
1. 2 answers
2. asked by sheryl
3. 1,650 views
A compound microscope has an objective lens with a focal length of 1.5 cm and aneye piece of focal length 5 cm. It is focused on
1. 1 answer
2. asked by Clandestine
3. 1,580 views
the total length of 4 blue banners and 5 yellow banners is 49 meters. the total length of 2 blue banners and 1 yellow banner is
1. 1 answer
2. asked by shohanur
3. 1,563 views
How much heat would it take to change 1.0kg of water at 20°C to steam at 110°C.I can't get the right answer that is
1. 8 answers
2. asked by Riana
3. 1,531 views
directions Write a system of inequalities for the shaded region described. The shaded region is a rectangle with vertices at
1. 7 answers
2. asked by kim
3. 1,421 views
at the local clothing store, 3 similar shirts and 4 similar jackets cost $360 and 1 shirt and 3 jackets cost $220. find the cost
1. 2 answers
2. asked by shohanur
3. 1,389 views
A circuit that combines two or more signals is called a mixer. In this lab, your goal is to build a mixer that combines the
1. 3 answers
2. asked by Emanuel Ruiz
3. 1,352 views
Use the rational zeros theorem to list the potential reational zeros of the polynomial function. Do not attempt to find the
1. 1 answer
2. asked by Alley
3. 1,258 views
Calculate the molar mass of a diprotic acid.It reaches the endpoint of the titration with NaOH at 28ml. The initial
1. 2 answers
2. asked by Katie
3. 1,205 views
theta is a first quadrant angle in standard position and cos theta = 1/(sqrt10) .Find the exact value of sin theta,
1. 1 answer
2. asked by Adam
3. 1,173 views
The cell potential of the following electrochemical cell depends on the pH of the solution in the anode half-cell:Pt(s)|H2(g,1at
1. 0 answers
2. asked by clara
3. 1,163 views
A purple beam is hinged to a wall to hold up a blue sign. The beam has a mass of mb = 6.1 kg and the sign has a mass of ms =
1. 0 answers
2. asked by John
3. 1,155 views
In a group of 37 children, 14 had a dog, 20 had a cat, and 12 had both a dog and a cat. How many children had neither a dog nor
1. 1 answer
2. asked by Tammy
3. 1,145 views
Jill bought a can of pop for .75 and jane bought a 6 pack.for 3.60 who got the best buy and why is it the best buy
1. 1 answer
2. asked by erik
3. 1,138 views
Let X be the number of successes in 25 independent trials with probability 1/10 of success in each trial. Let m be the most
1. 1 answer
2. asked by Claire
3. 1,137 views
An initial investment of $1000 is appreciated for 4 years in an account that earns 6% interest, 2)compounded semiannually. Find
1. 2 answers
2. asked by lisa
3. 1,122 views
Suppose the U.S. president wants an estimate of the proportion of the population who support his current policy toward revisions
1. 1 answer
2. asked by Adam Dane
3. 1,109 views
what is the domain of the relation {(1,4),(2,5),(3,6),(2,2),(1,1)}?A. {1,2,3} B. {1,2,3,4,5,6} C. All whole numbers except 0 D.
1. 3 answers
2. asked by Anonymous
3. 1,099 views
In a typical living cell, the electric potential inside the cell is 0.070 V lower than the electric potential outside the cell.
1. 1 answer
2. asked by Nina
3. 1,077 views
IDENTIFY AND DESCRIBE 3 Environmental health hdzards that cause ill health and disasters within your community
1. 1 answer
2. asked by CECILIA
3. 1,074 views
Find the absolute extrema of the function on the closed interval. Use a graphing utility to verify your results. (Round your
1. 1 answer
2. asked by akash
3. 1,069 views
your are planning to retire in twenty years. you want to be able to draw your savings at the rate of $10,000 per end of year.
1. 1 answer
2. asked by sajida
3. 1,066 views
Consider the equation below.1/5(x+2)+2x = 6x-10 Part A: Which property can be used to simplify the expression 1/5(x+2)? Answer
1. 1 answer
2. asked by Jayson Angole
3. 1,065 views
2 H2 + O2 -> 2 H2O2 grams + 32 grams -> _ _ _ _ _ grams how would the mass of water formed in the reaction compare to the mass
1. 0 answers
2. asked by jeff
3. 1,037 views
Find the absolute extrema of the function on the closed interval. Use a graphing utility to verify your results. (Round your
1. 0 answers
2. asked by akash
3. 1,017 views
a 0.120 ml portion of a 50.0% (w/w) KOH solution having a density of 1.50*10^3 g/l is diluted to 250 ml. What is the pH of the
1. 1 answer
2. asked by lolo
3. 976 views
david and joseph have a total of 328 marbles. Mathew and david have 176 marbles. joseph has 5 times as many as Mathew. how many
1. 2 answers
2. asked by shohanur
3. 973 views
Create a 9- to 12-slide Microsoft® PowerPoint® presentation that focuses on the use, benefits, and risks associated with
1. 1 answer
2. asked by tara
3. 944 views
What is the boiling point of a 25.20% (m/v) KNO3 solution ? (Kf of water = 1.860C/molal) (Kb of water = .52 0C/molal) (molar
1. 0 answers
2. asked by Sean
3. 934 views
there were 7 times as many marbles in box a as in box b. after joyce transferred 294 marbles from box a to box b, both boxes had
1. 2 answers
2. asked by shohanur
3. 914 views
Nicotine is a small molecule produced by the tobacco plant Nicotiana tabacum. Nicotine is produced by the plant to discourage
1. 16 answers
2. asked by qwerty
3. 905 views
Could pentane be successfully separated from hexane by distillation? and could cyclohexane be successfully separated from
1. 0 answers
2. asked by hex
3. 902 views
the total length of 4 blue banners and 5 yellow banners is 49 meters. the total length of 2 blue banners and 1 yellow banner is
1. 1 answer
2. asked by shohanur
3. 872 views
david and joseph have a total of 328 marbles. Mathew and david have 176 marbles. joseph has 5 times as many as Mathew. how many
1. 3 answers
2. asked by shohanur
3. 856 views
Two racquetballs, each having a mass of 200 g, are placed in a glass jar as shown in in the figure below. Their centers lie on a
1. 0 answers
2. asked by Mike
3. 849 views
Calculate the standard free-energy change for the following reaction at 25 C degrees.2Au^3+(aq)+3Ni(s) <-- --> 2Au(s)+3Ni^2+(aq)
1. 4 answers
2. asked by Anon
3. 828 views
Canada's 5 largest investment banks are owned by Canada's largest banks. This is because:a) They are all ultimately owned by the
1. 1 answer
2. asked by Nikki
3. 820 views
A flat screen is located 0.43 m away from a single slit. Light with a wavelength of 530 nm (in vacuum) shines through the slit
1. 0 answers
2. asked by please help
3. 815 views
the sure solution to unemployment is a better quality of education?
1. 1 answer
2. asked by ntosh
3. 805 views
Here is the height, in inches, of 10 randomly selected members of the girls' dance team and 10 randomly selected of the girls'
1. 4 answers
2. asked by Liz
3. 793 views
Cece scored a 78 on her first math test.She scored an 84 on her second test. What is the percent increase, rounded to the
1. 1 answer
2. asked by sheryl
3. 781 views
X^2+ + 2e- -> X(s) E=1.73VY^2+ + 2e- -> Y(s) E=0.40v Which pair of species would react under standard conditions? X^2+ and Y^2+
1. 3 answers
2. asked by Anon
3. 781 views
with continuous compounding at 10 percent for 30 years, the future value of and initial investment of $ 2000 is closest to
1. 2 answers
2. asked by sajida
3. 780 views
the height of a triangle is 5 cm more than the length of the base. if the area of a triangle is 133 cm^2 find the hight nad
1. 1 answer
2. asked by luz
3. 775 views
Another: theta is a second quadrant angle in standard position and tan theta = - (sqrt5)/(2) .Find the exact value of cos theta.
1. 2 answers
2. asked by Adam
3. 763 views
2 H2 + O2 -> 2 H2O2 grams + 32 grams -> _ _ _ _ _ grams how would the mass of water formed in the reaction compare to the mass
1. 0 answers
2. asked by jeff
3. 760 views
What is the call number of the oldest copy of Ellison's Shadow and Act?
1. 2 answers
2. asked by Vladlen
3. 759 views
anne, ryan and joel collect empty cans for recycling. they collect a total of 1925 cans. anne collects half as many cans as
1. 2 answers
2. asked by shohanur
3. 744 views
Here is the height, in inches, of 10 randomly selected members of the girls' dance team and 10 randomly selected of the girls'
1. 2 answers
2. asked by Liz
3. 740 views
A 120-foot-long rope is cut into 3 pieces. Thefirst piece of rope is twice as long as the second piece of rope. The third piece
1. 1 answer
2. asked by ss
3. 730 views
david and joseph have a total of 328 marbles. Mathew and david have 176 marbles. joseph has 5 times as many as Mathew. how many
1. 4 answers
2. asked by shohanur
3. 728 views
I am doing a Psychology research paper. I wrote the sources I used but my teacher says I need 3 primary sources. Im not sure
1. 4 answers
2. asked by renee
3. 723 views
Upon examining the contents of 38 backpacks, it was found that 23 contained a black pen, 27 contained a blue pen, and 21
1. 1 answer
2. asked by Tammy
3. 720 views
You and a friend go biking. You bike 12 miles north and 2 miles east. What is the straight-line distance from your starting
1. 1 answer
2. asked by Anonymous
3. 719 views
reasons for the increase or dissipation of hurricane strength
1. 1 answer
2. asked by Anonymous
3. 700 views
theta is an angle in standard position with a domain of 0 degrees < theta < 350 degrees and cot theta = -(24)/(7). Find all
1. 1 answer
2. asked by Tricia
3. 695 views
...G.....gG..GG...Gg g..Gg...gg G - Blue g - Black G - Dominant g - recessive Homozygous - ????????? Heterozygous - ???????
1. 1 answer
2. asked by Lauren
3. 692 views
Mary made two rectangular prims figures with four-1 inch cubes. Which statement is true about the volumes and surface areas of
1. 4 answers
2. asked by Anonymous
3. 689 views
Use the rational zeros theorem to list the potential reational zeros of the polynomial function. Do not attempt to find the
1. 0 answers
2. asked by Alley
3. 689 views
why the tilt of axis causes summer to be warmer than winter in the northern hemispherei put because the rays of the sun strike
1. 1 answer
2. asked by jeff
3. 687 views
the library has a total collection of 2630 books. the number of non-fiction books is 240 fewer than the number of fiction books
1. 0 answers
2. asked by shohanur
3. 684 views
I have to write an essay, so I chose to write about "The Big Bang Theory" or explosion that formed the universe. I don't know
1. 1 answer
2. asked by Darcy
3. 673 views
the library has a total collection of 2630 books. the number of non-fiction books is 240 fewer than the number of fiction books
1. 1 answer
2. asked by shohanur
3. 666 views
The standard deviations s for the annual medical costs 30 heart disease patients was found to equal $1005. Find a 95 %
1. 4 answers
2. asked by chris
3. 661 views
At a dinner 1/6 of an apple pie is severed each time it is ordered. How many total apple pies would be served if apple pie was
1. 3 answers
2. asked by robert
3. 656 views
What are some global issues the U.S. is facing that I can write an argument about?
1. 4 answers
2. asked by Blaze
3. 655 views
How much work is done by the horizontal force F = 150 N on the 18 Kg block when the force pushes the block 5.0 M up along the 32
1. 1 answer
2. asked by Anon3
3. 651 views
An aqueous solution containing 10.50 g of a compound in 100.0 ml of solution hasan osmotic pressure of 0.0187 atm. at 25°C.
1. 1 answer
2. asked by Sean
3. 650 views
Here is the height, in inches, of 10 randomly selected members of the girls' dance team and 10 randomly selected of the girls'
1. 0 answers
2. asked by Liz
3. 645 views
Input a list of positive numbers (terminated by 0) into an array, find the mean (average) of the numbers in the array, and
1. 1 answer
2. asked by Anonymous
3. 636 views
The temperature of oxygen is 810 torr at 298 K , what will the pressure be at 330 K?Using Lussac's Law, would the answer be
1. 4 answers
2. asked by Shadow
3. 627 views
the problem is find the pH of a solution prepared by dissolving all of the following in sufficient water to yield 1.00 L of
1. 1 answer
2. asked by lolo
3. 609 views
Two objects with masses 4.90 and 2.10 hang 0.800 above the floor from the ends of a cord 7.20 long passing over a frictionless
1. 3 answers
2. asked by Ben
3. 602 views
Ted and Suzanne load 3476 songs into a player that randomly selects which song to play.When in random-selection mode, 22 of the
1. 1 answer
2. asked by Nilan Please help
3. 602 views
THANK YOU TUTORS SO MUCH FOR YOUR HELPDetermine the intervals on which the function is concave up or concave down. I finally
1. 3 answers
2. asked by Henry
3. 597 views
help fact the trinomial completely and show how it was done.12x^3 - 52x^2 -40x
1. 1 answer
2. asked by Lorraine
3. 597 views
the speed of train A is 14 mph slower than train B. Train A travels 190 miles in the same time it takes train B to travel 260
1. 1 answer
2. asked by pam
3. 593 views
Is addiction (Drug) a disease or a choice and why? Could it be possible that both apply according to scientific evidence
1. 1 answer
2. asked by slomomo
3. 588 views
The voltage across the cell membrance is 0.070 Vthe cell membrane is 0.10 µm thick what is the work done in joules to move one
1. 0 answers
2. asked by Nina
3. 580 views
sue an shovel snow from her driveway in 55 minutes. Bill can do the same job in 60 minutes. how long would it take if they did
1. 1 answer
2. asked by pam
3. 572 views
For a hypothetical normal distribution of test scores, approximately 95% fall between 38 and 62, 2.5% are below 38, and 2.5% are
1. 1 answer
2. asked by victor
3. 569 views
1)How can you indicate that the bacteria have taken up the plasmid?2)What is the purpose of the LB/amp(-) plate? Should there be
1. 1 answer
2. asked by Melissa
3. 567 views
at the local clothing store, 3 similar shirts and 4 similar jackets cost $360 and 1 shirt and 3 jackets cost $220. find the cost
1. 1 answer
2. asked by shohanur
3. 563 views
2 H2 + O2 -> 2 H2O2 grams + 32 grams -> _ _ _ _ _ grams how would the mass of water formed in the reaction compare to the mass
1. 0 answers
2. asked by jeff
3. 560 views

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