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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
7 answers
asked by
Skye
8,347 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 answer
asked by
julie
4,911 views
Identify each enthalpy change by name and classify each change as exothermic or endothermic.
a)1 mol C3H8 (l) ==> 1 mol C3H8 (g)
2 answers
asked by
Sal
4,012 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 answer
asked by
Kim
3,677 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 answer
asked by
Anonymous
3,268 views
A 1.3 X 10^3 kg car traveling with a speed of 2.5 m/s executes a turn with a
7.5 m radius of curvature. Calculate the centripetal
2 answers
asked by
James
2,361 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 answer
asked by
Skye
2,068 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
2 answers
asked by
Andy
2,056 views
A password consists of three digits, 0 through 9, followed by three letters from an alphabet having 26 letters.
If repetition is
1 answer
asked by
Ta'Nesha
1,819 views
Find the other endpoint of a line segment with the given midpoint and one endpoint.
Endpoint: (0, 0); Midpoint: ( 2, -8)
3 answers
asked by
Lisa
1,808 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
2 answers
asked by
Anonymous
1,683 views
find three consecutive positive even integers such that the product of the second and third integers is twenty more than ten
2 answers
asked by
Alexis
1,548 views
i don't get this question
consecutive integers are integers that differ by one. you can represent consecutive integers as
5 answers
asked by
Sara!
1,515 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
0 answers
asked by
Skye
1,407 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 answer
asked by
ang
1,361 views
Create a thesis for your research paper. How do you plan on supporting your thesis with compelling arguments and coutner
0 answers
asked by
Amanda
1,324 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 answer
asked by
Jenny
1,322 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 answer
asked by
Anonymous
1,297 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.
0 answers
asked by
Ana
1,257 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
3 answers
asked by
Vivianne
1,226 views
Use the discriminant to determine how many real number solutions the equation has.
t^2 + 8t + 16 = 0
1 answer
asked by
Don
1,201 views
present and past participle
i have to write if each participle are past or present. are my answers correct 1. everyone has
1 answer
asked by
Sara!
1,182 views
State any restrictions on the variables.
3y^2 - 3y/ y - 3
1 answer
asked by
Anonymous
1,182 views
What is the total resistance in a parallel circuit with a 10 ohm lamp and a 15 ohm lamp?
1 answer
asked by
maryanne
1,175 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 answer
asked by
Maghan
1,164 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.
0 answers
asked by
julie
1,163 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 answer
asked by
Lisa
1,161 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 answer
asked by
Maghan
1,149 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
3 answers
asked by
Lisa
1,147 views
What is the conjugate acid of HC5H6O4-??
Is it HC5H6O42-?? thanks andy...
0 answers
asked by
Andy
1,129 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
0 answers
asked by
rosa
1,127 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
0 answers
asked by
Kendra
1,121 views
contrast ionic and molecular substances in terms of the types of attractive forces that govern their behavior
1 answer
asked by
jane
1,118 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
0 answers
asked by
Andy
1,117 views
What is the speed of an object in circular motion called?
1 answer
asked by
James
1,103 views
Can you please consider these sentences from a grammatical and lexical point of view? Thank you in advance.
1) Since the last
1 answer
asked by
Franco
1,075 views
What are the risk characterization of malathion? I have looked and read and i just do not understand!! Please help someone!!
1 answer
asked by
Lisa
1,023 views
25g of a breakfast cereal contain 110 calories. How many calories are released per gram? Convert the answer above to joules.
1 answer
asked by
Anonymous
997 views
How might an operations manager improve the operational components of planning, sourcing , making and delivering that was
0 answers
asked by
Sahna
983 views
Describe the primary force or forces involved when a car executes a turn.
Explain why passengers tend to lean or slide toward the
2 answers
asked by
James
967 views
The last step in the revenue cycle is cash collections. The accounts receivable department must know when customers pay their
0 answers
asked by
Joe
945 views
what is the square root of negative 150?
1 answer
asked by
Allison
931 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 answer
asked by
Anonymous
927 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
3 answers
asked by
Sara!
924 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
0 answers
asked by
josh
924 views
if i mix 4 grams of hydrogen and 32 grams of oxygen how many grams of water would be produced
3 answers
asked by
kee
921 views
so the answer for 3 consecutive positive even integers such that the product of the second and third integers is 20 more than
2 answers
asked by
Alexis
912 views
du hast durchfall??
3 answers
asked by
Alexis
907 views
Nitric oxide (NO) reacts with oxygen gas to form nitrogen dioxide (NO2), a
dark-brown gas: 2NO(g) + O2(g) -> 2NO2(g) In one
0 answers
asked by
Kendra
897 views
which type of punishment deter crime most effectively
1 answer
asked by
amber
886 views
What is the standard heat of reaction (Delta H^0) for the decomposition of hydrogen peroxide?
2H2O2 (l) ==> 2H2O (l) + O2(g)
0 answers
asked by
Jack
872 views
which type of punishment deters crime most effectively. and why.
retribution, deterrence, rehabilitation and societal protection.
1 answer
asked by
amber
868 views
if you have 720 g of the compound CaBr2 how many moles of it do you have
0 answers
asked by
laquan
864 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 answer
asked by
jasmine
834 views
A sociologist interested in cultural differences compared women of two ethinic groups on a Role Approval Index (high scores mean
2 answers
asked by
Anonymous
826 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
3 answers
asked by
Sara!
816 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 answer
asked by
John
802 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)
0 answers
asked by
Jenny Marie
802 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 answer
asked by
Jackie
800 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
0 answers
asked by
ang
799 views
Using literary elements,compare and contrast Abigail Adams
letter to her daughter with Jean de Crevecoeur's essay from letter to
0 answers
asked by
Stephanie
799 views
what is the chemical reaction equation for : Hydrogen sulfite reacts with oxygen to form sulfur dioxide and water vapour.
2 answers
asked by
Cats
778 views
Consider the reaction below:
4NH3(g) + 3O2(g) -> 2N2 + 6H20, K=10^80 @ certain temp initially, all the reactants and products
2 answers
asked by
Scott L.
769 views
Which water quality test is the most important test for the health of a water ecosystem?
Thanks
2 answers
asked by
big red
766 views
Determine in which direction the parabola opens y equals x2-7x plus 18?
3 answers
asked by
elizabeth
765 views
I need to write an application letter responding to a job ad for an office asst position. This letter should accompany my
2 answers
asked by
Ivette
744 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 answer
asked by
ray
744 views
Determine if the relationship represented in the table is linear. If it is linear, write an equation.
how do you determine if a
5 answers
asked by
Lisa
734 views
3.71 When potassium cyanide (KCN) reacts with acids, a deadly poisonous gas,
hydrogen cyanide (HCN), is given off. Here is the
0 answers
asked by
Kendra
731 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
2 answers
asked by
Scott L.
730 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
2 answers
asked by
kyu
730 views
i don't get this question
consecutive integers are integers that differ by one. you can represent consecutive integers as
1 answer
asked by
Sara!
720 views
How is the ability to regenerate lost body parts for most echinoderms?
1 answer
asked by
Avalon
712 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 answer
asked by
Anonymous
699 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 answer
asked by
Anonymous
696 views
Consider the reaction below:
4NH3(g) + 3O2(g) -> 2N2 + 6H20, K=10^80 @ certain temp initially, all the reactants and products
2 answers
asked by
Scott L.
694 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 answer
asked by
Emily
693 views
Miguel buys a truck in Texas, then moves to Washington. A year later, he is driving his truck in Oklahoma, and causes an
0 answers
asked by
Britney
686 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 answer
asked by
lau
684 views
The psychologists are interested in whether depressed people undergoing group therapy will perform a different number of
1 answer
asked by
Ashley
682 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 answer
asked by
Anonymous
681 views
Find all values of [theta] in the interval 0°<=X<= 360° that satisfy the equation cos2[theta]-cos[theta]=0
1 answer
asked by
Libby
680 views
What term describes a force that causes an object to move in a
circular path?
1 answer
asked by
James
675 views
Find the slope of the line passing through the points (7, 0) and (0, 10).
2 answers
asked by
chris
672 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
3 answers
asked by
kaitlyn
668 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.
0 answers
asked by
Anonymous
666 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
3 answers
asked by
Stella
659 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
2 answers
asked by
Kendra
653 views
Using the four basic plot elements from the dramatic plot (exposition, complication, climax, resolution), how would I outline
1 answer
asked by
Emily
653 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
0 answers
asked by
Anonymous
646 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 answer
asked by
amanda
646 views
Who was the Columbian Exchange named after and why?
5 answers
asked by
ali
645 views
Everyone has at least one interesting and/or important person they know in their life that they admire, just like that I admire
4 answers
asked by
Thara!
642 views
• National organizations such as the Bureau of Indian Affairs, the National Congress of American Indians, and the National
3 answers
asked by
mariaaa
640 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 answer
asked by
rfvv
638 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 answer
asked by
Beatrice
618 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.
0 answers
asked by
Ana
616 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
3 answers
asked by
Mike
615 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
2 answers
asked by
Justin
613 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
2 answers
asked by
rfvv
612 views
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