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Questions Asked on May 24, 2010

The numbers of cookies in a shipment of bags are normally distributed, with a mean of 64 and a standard deviation of 4. What
1. 7 answers
2. asked by Skye
3. 8,361 views
How much work is done on a bookshelf being pulled 5.00m at an angle of 37.0 degrees from the horizontal? The magnitude of the
1. 1 answer
2. asked by julie
3. 4,922 views
Identify each enthalpy change by name and classify each change as exothermic or endothermic.a)1 mol C3H8 (l) ==> 1 mol C3H8 (g)
1. 2 answers
2. asked by Sal
3. 4,027 views
Calculate the enthalpy change (delta H) in kJ for the following reaction.2Al(s) + Fe2O3 (s) ==> 2 Fe(s) + Al2O3(s) use enthalpy
1. 1 answer
2. asked by Kim
3. 3,689 views
The area of the parallelogram formed by the vectors p = (a, 1, -1) and q = (1, 1, 2) is root 35. Determine the values of 'a' for
1. 1 answer
2. asked by Anonymous
3. 3,276 views
A 1.3 X 10^3 kg car traveling with a speed of 2.5 m/s executes a turn with a7.5 m radius of curvature. Calculate the centripetal
1. 2 answers
2. asked by James
3. 2,372 views
The scores on an exam are normally distributed, with a mean of 77 and a standard deviation of 10. What percent of the scores are
1. 1 answer
2. asked by Skye
3. 2,075 views
what is the hydrogen ion concentration of an aqueous solution with a pOH of 9.262?I got 5.47X 10 ^-10 is this correct? Thanks
1. 2 answers
2. asked by Andy
3. 2,061 views
A password consists of three digits, 0 through 9, followed by three letters from an alphabet having 26 letters.If repetition is
1. 1 answer
2. asked by Ta'Nesha
3. 1,836 views
Find the other endpoint of a line segment with the given midpoint and one endpoint.Endpoint: (0, 0); Midpoint: ( 2, -8)
1. 3 answers
2. asked by Lisa
3. 1,816 views
An airplane is flying at an airspeed of 345 km/h on a heading of 040 degrees. The wind is blowing at 18 km/h from a bearing of
1. 2 answers
2. asked by Anonymous
3. 1,695 views
find three consecutive positive even integers such that the product of the second and third integers is twenty more than ten
1. 2 answers
2. asked by Alexis
3. 1,565 views
i don't get this questionconsecutive integers are integers that differ by one. you can represent consecutive integers as
1. 5 answers
2. asked by Sara!
3. 1,535 views
A survey of 480 high school students found that 37% had a pet. Find the margin of error. Round to the nearest percent. Use the
1. 0 answers
2. asked by Skye
3. 1,418 views
a dog walks 28 steps north and then walks 55 steps west. if the daog walks back to the starting point in a straight line, how
1. 1 answer
2. asked by ang
3. 1,378 views
Create a thesis for your research paper. How do you plan on supporting your thesis with compelling arguments and coutner
1. 0 answers
2. asked by Amanda
3. 1,336 views
if one card is selected at random from a standard deck of 52 cards, what is the probability of choosing a black card or a king?
1. 1 answer
2. asked by Jenny
3. 1,334 views
. How many grams of potassium chloride, KCl, are needed to prepare 0.630 L of a 2.50 M solution of potassium chloride? (4.0
1. 1 answer
2. asked by Anonymous
3. 1,319 views
Can someone help me figure these out? I think if someone can explain how to do one of them then I'll be able to do the other.
1. 0 answers
2. asked by Ana
3. 1,266 views
The distance from A to B is d km and that from B to C is x km. if a bus maintains an average speed of 50km/hr between A and B
1. 3 answers
2. asked by Vivianne
3. 1,233 views
Use the discriminant to determine how many real number solutions the equation has.t^2 + 8t + 16 = 0
1. 1 answer
2. asked by Don
3. 1,210 views
present and past participlei have to write if each participle are past or present. are my answers correct 1. everyone has
1. 1 answer
2. asked by Sara!
3. 1,194 views
What is the total resistance in a parallel circuit with a 10 ohm lamp and a 15 ohm lamp?
1. 1 answer
2. asked by maryanne
3. 1,192 views
State any restrictions on the variables.3y^2 - 3y/ y - 3
1. 1 answer
2. asked by Anonymous
3. 1,191 views
A small circular pool is enclosed in a square. Find the area inside the square, but outside the circle. The Square is 4.3m x 4.3
1. 1 answer
2. asked by Maghan
3. 1,178 views
a warehouse worker pulls on the handles of a 96.0 kg cart witha net force of 128N an angle of 55.0 degrees above the horizontal.
1. 0 answers
2. asked by julie
3. 1,176 views
The area of a rectangle of length l and width w is given by the formula A = lw. Ann's backyard is rectangular with a length of
1. 1 answer
2. asked by Lisa
3. 1,174 views
A theater ticket for adults is a dollars and the price of a child's ticket is C dollars. If 29 adults and 45 children attend the
1. 3 answers
2. asked by Lisa
3. 1,159 views
Find the ratio of the volume of the cylinder to the volume of the hemisphere, given that the height, h, of the cylinder is equal
1. 1 answer
2. asked by Maghan
3. 1,156 views
Please help me solve this problem the kinetic energy (k) energy of a moving object with varies jointy with it mass (m) and the
1. 0 answers
2. asked by rosa
3. 1,136 views
What is the conjugate acid of HC5H6O4-??Is it HC5H6O42-?? thanks andy...
1. 0 answers
2. asked by Andy
3. 1,134 views
Balance the following equations:a. C + O2 CO b. CO + O2 CO2 c. H2 + Br2 HBr d. K + H2O KOH + H2 e. Mg + O2 MgO please explain
1. 0 answers
2. asked by Kendra
3. 1,129 views
contrast ionic and molecular substances in terms of the types of attractive forces that govern their behavior
1. 1 answer
2. asked by jane
3. 1,127 views
the solubility of silver sulfate in water is 0.223%(w/v) at 35 degrees celsius.calculate the solubility product of this salt at
1. 0 answers
2. asked by Andy
3. 1,127 views
What is the speed of an object in circular motion called?
1. 1 answer
2. asked by James
3. 1,112 views
Can you please consider these sentences from a grammatical and lexical point of view? Thank you in advance.1) Since the last
1. 1 answer
2. asked by Franco
3. 1,081 views
What are the risk characterization of malathion? I have looked and read and i just do not understand!! Please help someone!!
1. 1 answer
2. asked by Lisa
3. 1,028 views
25g of a breakfast cereal contain 110 calories. How many calories are released per gram? Convert the answer above to joules.
1. 1 answer
2. asked by Anonymous
3. 1,006 views
How might an operations manager improve the operational components of planning, sourcing , making and delivering that was
1. 0 answers
2. asked by Sahna
3. 990 views
Describe the primary force or forces involved when a car executes a turn.Explain why passengers tend to lean or slide toward the
1. 2 answers
2. asked by James
3. 974 views
The last step in the revenue cycle is cash collections. The accounts receivable department must know when customers pay their
1. 0 answers
2. asked by Joe
3. 952 views
A 65-kg boy is sitting on a seesaw 0.6 m from the balance point. How far from the balance point should a 40-kg girl sit so that
1. 1 answer
2. asked by Anonymous
3. 936 views
consecutive even integers can be represented by x,x+2,x+4 and so on. write an equation and solve to find 3 consecutive even
1. 3 answers
2. asked by Sara!
3. 935 views
a sled is pulled at a velocity across a horizontal snow surface. if a force of 8.0x10 to the first power N is being applied to a
1. 0 answers
2. asked by josh
3. 935 views
what is the square root of negative 150?
1. 1 answer
2. asked by Allison
3. 935 views
if i mix 4 grams of hydrogen and 32 grams of oxygen how many grams of water would be produced
1. 3 answers
2. asked by kee
3. 928 views
so the answer for 3 consecutive positive even integers such that the product of the second and third integers is 20 more than
1. 2 answers
2. asked by Alexis
3. 917 views
du hast durchfall??
1. 3 answers
2. asked by Alexis
3. 911 views
Nitric oxide (NO) reacts with oxygen gas to form nitrogen dioxide (NO2), adark-brown gas: 2NO(g) + O2(g) -> 2NO2(g) In one
1. 0 answers
2. asked by Kendra
3. 907 views
which type of punishment deter crime most effectively
1. 1 answer
2. asked by amber
3. 892 views
What is the standard heat of reaction (Delta H^0) for the decomposition of hydrogen peroxide?2H2O2 (l) ==> 2H2O (l) + O2(g)
1. 0 answers
2. asked by Jack
3. 882 views
which type of punishment deters crime most effectively. and why.retribution, deterrence, rehabilitation and societal protection.
1. 1 answer
2. asked by amber
3. 881 views
if you have 720 g of the compound CaBr2 how many moles of it do you have
1. 0 answers
2. asked by laquan
3. 867 views
A sociologist interested in cultural differences compared women of two ethinic groups on a Role Approval Index (high scores mean
1. 2 answers
2. asked by Anonymous
3. 848 views
white light goes through a magenta filter, then a cyan filter. draw each step on a diagram. what colors is white light comprised
1. 1 answer
2. asked by jasmine
3. 843 views
in super bowl XXXV, the total number of points scored was 41. the winning team outscored the losing team by 27 points. what was
1. 3 answers
2. asked by Sara!
3. 824 views
A word problem.David flew 300km on a commuter plane, then 2000km on a passenger jet. The passenger jet flew twice as fast as the
1. 1 answer
2. asked by John
3. 820 views
a sled is pulled at a velocity across a horizontal snow surface. if a force of 8.0x10 to the first power N is being applied to a
1. 0 answers
2. asked by ang
3. 810 views
A 10.0% by mass H2SO4(aq) solution has a density of 1.07 g/mL.(a) How many milliliters of solution contain 8.41 g of H2SO4? (b)
1. 0 answers
2. asked by Jenny Marie
3. 810 views
Sally travels by car from one city to another. She drives for 28.0 min at 63.0 km/h, 50.0 min at 40.0 km/h, and 50.0 min at 43.0
1. 1 answer
2. asked by Jackie
3. 809 views
Using literary elements,compare and contrast Abigail Adamsletter to her daughter with Jean de Crevecoeur's essay from letter to
1. 0 answers
2. asked by Stephanie
3. 808 views
what is the chemical reaction equation for : Hydrogen sulfite reacts with oxygen to form sulfur dioxide and water vapour.
1. 2 answers
2. asked by Cats
3. 786 views
Consider the reaction below:4NH3(g) + 3O2(g) -> 2N2 + 6H20, K=10^80 @ certain temp initially, all the reactants and products
1. 2 answers
2. asked by Scott L.
3. 776 views
Determine in which direction the parabola opens y equals x2-7x plus 18?
1. 3 answers
2. asked by elizabeth
3. 774 views
Which water quality test is the most important test for the health of a water ecosystem?Thanks
1. 2 answers
2. asked by big red
3. 774 views
I need to write an application letter responding to a job ad for an office asst position. This letter should accompany my
1. 2 answers
2. asked by Ivette
3. 755 views
A car is traveling with a constant speed 80 miles per hour a road that makes half a circle. What is the average velocity of the
1. 1 answer
2. asked by ray
3. 747 views
Determine if the relationship represented in the table is linear. If it is linear, write an equation.how do you determine if a
1. 5 answers
2. asked by Lisa
3. 746 views
Suppose that X is an angle in standard position and that X' is it's reference angle. If cosX = -4/ squareroot of 17. find the
1. 2 answers
2. asked by kyu
3. 744 views
At a particular temp, K = 1.6 x 10^-5 for the reaction:2SO3(g) <-> 2SO2(g) + O2 (g) If 4 mol of SO2 and 2 mol of O2 are placed
1. 2 answers
2. asked by Scott L.
3. 743 views
i don't get this questionconsecutive integers are integers that differ by one. you can represent consecutive integers as
1. 1 answer
2. asked by Sara!
3. 740 views
3.71 When potassium cyanide (KCN) reacts with acids, a deadly poisonous gas,hydrogen cyanide (HCN), is given off. Here is the
1. 0 answers
2. asked by Kendra
3. 740 views
How is the ability to regenerate lost body parts for most echinoderms?
1. 1 answer
2. asked by Avalon
3. 720 views
For each:Always true /sometimes true/never true. 1) the joule is the SI unit of force 2)the standard heat of formation for a
1. 1 answer
2. asked by Anonymous
3. 710 views
A 55.6g sample of water is cooled from 50 degrees C to 35.5 degrees C.How many calories released? How many kilocalories? How
1. 1 answer
2. asked by Anonymous
3. 706 views
Consider the reaction below:4NH3(g) + 3O2(g) -> 2N2 + 6H20, K=10^80 @ certain temp initially, all the reactants and products
1. 2 answers
2. asked by Scott L.
3. 704 views
Wha are the nouns that describe a person called? They are like a noun that describe's a person's perosnality, such as
1. 1 answer
2. asked by Emily
3. 702 views
A soccer player kicks a rock horizontally off a 41.7 m high cliff into a pool of water. If the player hears the sound of the
1. 1 answer
2. asked by lau
3. 694 views
Miguel buys a truck in Texas, then moves to Washington. A year later, he is driving his truck in Oklahoma, and causes an
1. 0 answers
2. asked by Britney
3. 693 views
Find all values of [theta] in the interval 0°<=X<= 360° that satisfy the equation cos2[theta]-cos[theta]=0
1. 1 answer
2. asked by Libby
3. 692 views
The psychologists are interested in whether depressed people undergoing group therapy will perform a different number of
1. 1 answer
2. asked by Ashley
3. 692 views
A ball rolls off a shelf with a horizontal velocity of v. At what horizontal distance from the shelf does the ball land if the
1. 1 answer
2. asked by Anonymous
3. 690 views
What term describes a force that causes an object to move in acircular path?
1. 1 answer
2. asked by James
3. 683 views
Find the slope of the line passing through the points (7, 0) and (0, 10).
1. 2 answers
2. asked by chris
3. 680 views
An aluminum cylindrical juice can has a height of 4 in. and a radius of 6 in. How many square inches of aluminum are needed to
1. 3 answers
2. asked by kaitlyn
3. 677 views
When 1.33 g of a nonpolar solute was dissolved in 50.0 g of phenol, the latter's freezing point was lowered by 1.454°C.
1. 0 answers
2. asked by Anonymous
3. 675 views
In the short story defender of the faith by philip roth,Grossbart insists on caling da sergeant 'sir'.Why doz Marx object?Is dis
1. 3 answers
2. asked by Stella
3. 669 views
Using the four basic plot elements from the dramatic plot (exposition, complication, climax, resolution), how would I outline
1. 1 answer
2. asked by Emily
3. 663 views
Balance the following equations:a. C + O2 CO b. CO + O2 CO2 c. H2 + Br2 HBr d. K + H2O KOH + H2 e. Mg + O2 MgO please explain
1. 2 answers
2. asked by Kendra
3. 659 views
For each:Always true /sometimes true/never true. 1) the joule is the SI unit of force 2)the standard heat of formation for a
1. 0 answers
2. asked by Anonymous
3. 654 views
• National organizations such as the Bureau of Indian Affairs, the National Congress of American Indians, and the National
1. 3 answers
2. asked by mariaaa
3. 654 views
Why is the telephone convenient?1. We don't have to talk face to face. 2. We don't have to write letters to someone that is far
1. 1 answer
2. asked by rfvv
3. 653 views
a ladder is against a building. The distance from the bottom of the building to the ladder is 9 feet less than the length of the
1. 1 answer
2. asked by amanda
3. 651 views
Who was the Columbian Exchange named after and why?
1. 5 answers
2. asked by ali
3. 649 views
Everyone has at least one interesting and/or important person they know in their life that they admire, just like that I admire
1. 4 answers
2. asked by Thara!
3. 648 views
Can someone help me figure these out? I think if someone can explain how to do one of them then I'll be able to do the other.
1. 0 answers
2. asked by Ana
3. 625 views
Hi, I have got a question about Japan's geography;In which ways has the actions of man ( people) affected Japans land? I mean
1. 1 answer
2. asked by Beatrice
3. 623 views
Find solutions of the equation in the interval [0, 2pie}Cos(x+pie/3)+Cos(x-pie/3)=1 I need to show work without calculator and
1. 3 answers
2. asked by Mike
3. 622 views
Write the complex number -4 x 3^1/3 - 4i in exponential form.I'm not sure how I use euler's formula to solve for this. A brief
1. 2 answers
2. asked by Justin
3. 621 views
1. Solar energy will never give out.2. Solar energy will never run out. (Are both the same?) 3. We bought many foods. 4. We
1. 2 answers
2. asked by rfvv
3. 617 views

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