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Questions Asked on February 10, 2011

the edge of a cube is increasing at the rate of .05 centimeters per second. in terms of the side of the cube s, what is the rate
1. 1 answer
2. asked by crystal
3. 8,040 views
what is the molality of a 10.5% by mass glucose solution?. density of the solution is 1.03g/mlcan someone please explain how to
1. 2 answers
2. asked by sam
3. 7,014 views
A puck is moving on an air hockey table. Relative to an x, y coordinate system at time t = 0 s, the x components of the puck's
1. 2 answers
2. asked by frost
3. 6,591 views
Rectangle ABCD is similar to rectangle EFGH. Rectangle ABCD has the following dimensions: segment AB=10 inches; segment BC = 6
1. 5 answers
2. asked by Anonymous
3. 5,563 views
Vector vector A has a magnitude of 27 units and points in the positive y-direction. When vector vector B is added to vector A ,
1. 1 answer
2. asked by jj
3. 5,446 views
What is the empirical formula of caffeine (C8 H10 N4 O2)?How do I get it? Thanks
1. 2 answers
2. asked by Cad
3. 5,295 views
Ammonia gas reacts with oxygen gas according to the following equation:4NH3 + 5O2----4NO + 6H2O a. How many moles of oxygen gas
1. 5 answers
2. asked by Jonathan
3. 5,070 views
Question 1. An accurate statement about the Great Depression would be that?A. it was a recession that became a depression
1. 7 answers
2. asked by Lonly
3. 4,906 views
A solution contains 3.75g of nonvolatile pure hydrocarbon in 95g acetone. The boiling points of pure acetone and the solution
1. 4 answers
2. asked by James
3. 4,063 views
A 4.5 kg block located on a horizontal frictionless floor is pulled by a cord that exerts a force F=13.50 N at an angle
1. 1 answer
2. asked by jessie
3. 3,634 views
If 14.8 kJ of heat is given off when 1.6 g of HCl condesses from vapor to liquid, what is the delta Hcond. for this substance?
1. 3 answers
2. asked by Jazmin
3. 3,385 views
Consider the function f(x)=sin(5x)/x.(a) Fill in the following table of values for f(x): x= -0.1 -0.01 -0.001 -0.0001 0.0001
1. 4 answers
2. asked by Abi
3. 3,317 views
The builders of the pyramids used a long ramp to lift 20000-kg (20-ton) blocks. What is the gravitational potential energy of
1. 1 answer
2. asked by olga
3. 3,062 views
A fire hose ejects a stream of water at an angle of 37.9 ° above the horizontal. The water leaves the nozzle with a speed of
1. 3 answers
2. asked by frost
3. 2,876 views
how do i find a scale factor for scale drawings and scale models
1. 3 answers
2. asked by jarrad
3. 2,685 views
You’re sanding a table. You must exert a force of 23 N on the sandpaper to keep it moving steadily across the table’s
1. 2 answers
2. asked by olga
3. 2,598 views
Use the graph to estimate the limit:lim x->0 sin(3x)/x When x is in degrees lim x->0 sin(3x)/x = ________ I thought the the
1. 3 answers
2. asked by Abi
3. 2,590 views
A 0.0677g sample of magnesium metal reacted with excess hydrochloric acid to produce 69.9 ml of hydrogen gas. The gas was
1. 2 answers
2. asked by K
3. 2,563 views
All of the lanthanide metals react with HCl to form compounds having the formula MCl2,MCl3,or MCl4 (where M represents the
1. 1 answer
2. asked by T
3. 2,451 views
A bag of potato chips contains 585 mL of air at 25°C and a pressure of 765 mm Hg. Assuming the bag does not break, what will be
1. 2 answers
2. asked by bob the builder
3. 2,443 views
how do i write 7.8x10^7 in standard form?
1. 2 answers
2. asked by angiie
3. 2,386 views
The ratio of boys to girls in a school choir is 4:3. There are 6 more boys than girls. If another 2 girls join the choir, what
1. 1 answer
2. asked by kaykay
3. 2,374 views
An uncharged spherical conducting shell surrounds a charge -q at the center of the shell. The charges on the inner and outer
1. 2 answers
2. asked by John
3. 2,335 views
a ship is traveling due east at 10 km/h. what must be the speed of a second ship heading 30 degrees east of north if it is
1. 3 answers
2. asked by Anonymous
3. 2,295 views
Use Euler’s formula to answer the question.A polyhedron has 12 edges and 6 faces, how many vertices does it have?
1. 1 answer
2. asked by Rena
3. 2,285 views
A particle has an initial horizontal velocity of 1.8 m/s and an initial upward velocity of 4.7 m/s. It is then given a
1. 1 answer
2. asked by Catarina
3. 2,184 views
A ten gallon methane tank contains 1.243 mol of methane at 74°F. Express the volume of tank in liters, the amount of methane in
1. 2 answers
2. asked by Kalyn
3. 2,007 views
1. What do we call the movement in literature and the arts that emphasized nature and emotion over reason?[x] a. Enlightenment
1. 7 answers
2. asked by Megan
3. 2,006 views
Explain why 1/8 is greater than 1/10, but less than 1/3.
1. 2 answers
2. asked by Nina
3. 1,938 views
Suppose a straight 1.25 mm diameter copper wire could just "float" horizontally in air because of the force of the Earth's
1. 2 answers
2. asked by Justin
3. 1,903 views
What did Mussolini, Hitler, and Stalin all share in common.
1. 7 answers
2. asked by Ashley k.
3. 1,753 views
I am really have a tough time trying to solve this problem. I think my first three steps are correct but I am not sure. Could
1. 3 answers
2. asked by Tiffany
3. 1,694 views
1. To be truly effective in a publication, an illustration shouldA. appear in a darker shade or color than text. B. appear in a
1. 4 answers
2. asked by Anonymous
3. 1,678 views
a ball is dropped 128 feet from the roof of a building with each bounce the ball goes up exactly half its previous height. A man
1. 5 answers
2. asked by sammie
3. 1,612 views
Krispy Krunch cereal is 49% sugar. about how many ounces of sugar are in a 16 oz box of Krispy Krunch?
1. 2 answers
2. asked by alison
3. 1,598 views
The potential difference between the plates of a parallel plate capacitor is 35 V and the electric field between the plates has
1. 1 answer
2. asked by Rusty
3. 1,594 views
An electron and a proton are separated by 2.0 nm. (a) What is the magnitude of the force on the electron? (b) What is the net
1. 1 answer
2. asked by Jay
3. 1,576 views
Consider an antenna transmitting a power of 5W at 900MHz. Calculate the received power at a distance of 2km if propagation is
1. 4 answers
2. asked by Nathan
3. 1,570 views
An electron, initially at rest is accelerated through a potential difference of 550 V. What is the speed of the electron due to
1. 1 answer
2. asked by Rusty
3. 1,558 views
An object is lifted from the surface of a spherical planet to an altitude equal to the radius of the planet. As a result, what
1. 1 answer
2. asked by Dee
3. 1,552 views
The length of each piece in a model train railroad built on the HO scale is 1/87 of the actual length. Another popular model is
1. 4 answers
2. asked by megan
3. 1,550 views
Driving at a constant rate, noah covered 130 miles in 3.5 hours. Express his driving rate in feet per minute.
1. 4 answers
2. asked by kaykay
3. 1,534 views
how do you write seven names for 8.Using only numbers less than 10,and using at least three different opperations in each
1. 14 answers
2. asked by amy
3. 1,453 views
How did overproduction, under consumption, and stock market speculation lead to the stock market crash of 1929 and the Great
1. 1 answer
2. asked by Asher
3. 1,452 views
A space vehicle is coasting at a constant velocity of 24.7 m/s in the +y direction relative to a space station. The pilot of the
1. 2 answers
2. asked by frost
3. 1,444 views
describe the similarities and differences between y=x^2 and a power function with a even degree higher than two?please help
1. 1 answer
2. asked by Anonymous
3. 1,437 views
Stereo Inc. sells a stereo system for $300 down and monthly payments of $80 for the next 3 years. If the interest rate is 3.25 %
1. 1 answer
2. asked by jack
3. 1,412 views
A quarterback claims that he can throw the football a horizontal distance of 183 m (200 yd). Furthermore, he claims that he can
1. 0 answers
2. asked by Lindsay
3. 1,401 views
If a man’s ideal weight is 165 lbs. and he weighs 185 lbs., how many pounds above his ideal weight is he? What percent above
1. 1 answer
2. asked by Ivy
3. 1,398 views
Prepare at minimum a 1,400 word paper (no maximum) in which you examine the discipline of social psychology. As a part of your
1. 4 answers
2. asked by cla
3. 1,378 views
The base of a solid is a circle of radius a, and its vertical cross sections are equilateral triangles. The volume of the solid
1. 1 answer
2. asked by Erica
3. 1,359 views
The masses of the earth and moon are 5.98x1024 and 7.35x1022 kg, respectively. Identical amounts of charge are placed on each
1. 2 answers
2. asked by anto99999999999999999999999999
3. 1,342 views
a rifle that has been ‘sighted in' for a 91.4-meter target. If the muzzle speed of the bullet is v0 = 328 m/s, there are the
1. 3 answers
2. asked by tish
3. 1,332 views
what are some contemporary examples that utilize idealism?
1. 0 answers
2. asked by Quentina
3. 1,283 views
Find the word that is acting as either a predicate nominative or predicate adjective in the sentence. Then tell which of the two
1. 1 answer
2. asked by Anonymous
3. 1,262 views
a compound contains 63.15% Carbon, 5.30% hydrogen, 31.55% oxygen. Its molar mass is 152.14 g/mol. determine the empirical and
1. 0 answers
2. asked by amy
3. 1,251 views
Why should a recording in the medical record never be erased or obliterated?A. It makes it harder to read the chart. B. The
1. 1 answer
2. asked by Jessica
3. 1,225 views
A roadside vegetable stand sells pumpkins for $5 each and squash for $3 each. One day they sold six more squash then pumpkins
1. 1 answer
2. asked by Hannah
3. 1,218 views
A 0.188g sample of unknown metal, X (s), produced 71.4 ml of hydrogen gas when reacted with HCL according to the equation:
1. 2 answers
2. asked by K
3. 1,192 views
sirp2o5+H2o = H2P2O6 why is it H3po4? instead of H2P2O6 please explain me
1. 1 answer
2. asked by Ramesh Reddy
3. 1,183 views
A road climbs at an 8 degree angle with the horizontal. What is the grade of the Road.
1. 0 answers
2. asked by Rose
3. 1,162 views
A 20.2g chunk of magnesium metal reacts with 13.7 g of oxygen gas to make magnesium oxide.Write the balance equation.
1. 1 answer
2. asked by Kim
3. 1,160 views
compare and contrast the structure and literary elements of Abigail Adams' letter to her daughter with Jean de Crevacoeur's
1. 3 answers
2. asked by ted
3. 1,159 views
I'm doing a bio lab, and I have collected data on heart rate measured in beats/15 secs with an uncertainty of +/- 1 beat/sec. To
1. 1 answer
2. asked by Stuck
3. 1,149 views
Which fraction is equal to 1/5?A.2/10 B.3/10 C.1/15 D.2/15 Can you show me the steps?
1. 3 answers
2. asked by Joe
3. 1,148 views
I am stuck on trying to figure out how to do this question. Could someone please show me 5 necessary steps ? Thank you. Here is
1. 3 answers
2. asked by Tiffany
3. 1,142 views
A transverse wave is traveling with a speed of 500 m/s on a horizontal string. If the tension in the string is increased by a
1. 1 answer
2. asked by help please
3. 1,141 views
A 6.0g of methane decomposes into 4.5g of Carbon and 1.5g of Heydrogen. Determine the empirical formula of methane.
1. 1 answer
2. asked by Cecille
3. 1,134 views
a 60-kg patient exercise on the treadmill, exerting a constant force of 500N while running at a constant velocity of 4 m/s at an
1. 1 answer
2. asked by clariss
3. 1,132 views
i need help on this question:Equal masses of gaseous N2 and Ar are placed in separate flasks of equal volume at the same
1. 1 answer
2. asked by hannah
3. 1,119 views
Consider the function f(x)=(4^x−1)/x.(a) Fill in the following table of values for f(x): x= -0.1 -0.01 -0.001 -0.0001 0.0001
1. 0 answers
2. asked by Abi
3. 1,119 views
a hockey team played n games, losing four of them and winning the rest. What is the ratio of games won to game lost
1. 2 answers
2. asked by aziz
3. 1,106 views
The earth exerts a downward force of 850 N on a veteran astronaut as he works outside the space shuttle. What force (if any)
1. 1 answer
2. asked by olga
3. 1,103 views
What are three ways geography influenced Roman History?
1. 3 answers
2. asked by Hannah
3. 1,095 views
The area of a rectangular athletic field is represented by the expression 16y^7+32y^5+80y^3 square meters. Write an algebraic
1. 1 answer
2. asked by Rihanna
3. 1,095 views
You’re using a wedge to split a log. You are hitting the wedge with a large hammer to drive it into the log. It takes a force
1. 0 answers
2. asked by olga
3. 1,089 views
If a triangle has angle measures 15, 120 and 45, and the length of the side between the 15 and 120 angles is 8, what is the area
1. 1 answer
2. asked by Linda
3. 1,070 views
Write five sentences about the role of education in successful financial planning in the spaces on the following page. Correctly
1. 4 answers
2. asked by joe
3. 1,064 views
the lengthnof a rectangular jewelry box is 3 inches more than twice the width. the perimeter is 30 inches. find the length and
1. 1 answer
2. asked by shelia
3. 1,061 views
A charge of uniform volume density (40nC/m^3) fills a cube with 8cm edges. What is the net flux through the surface of the cube?
1. 0 answers
2. asked by John
3. 1,038 views
If you begin with 100.0 mL of a 3.0 Molar solution of ammonium sulfate and 100mL of a 2.0 Molar solution of barium phosphate how
1. 0 answers
2. asked by jackie
3. 1,037 views
Please help out. Thank you.A right triangle has one leg on the x-axis. The vertex at the right end of that leg is at the point
1. 3 answers
2. asked by Amanda E.
3. 1,021 views
Quadrilateral ABCD has vertices A(-2,1), B(3,3), C(5,7), and D(0,5). Determine whether line AC is perpendicular to line BD.
1. 1 answer
2. asked by Ryan
3. 1,019 views
a neutron star, which is the remnant of an exploded massive star, consists of neutrons packing together with a total density of
1. 2 answers
2. asked by bonnie
3. 997 views
a chemist performs the sunthesis of sodium chloride from its elements. The chemist begins with 46 grams of sodium. How many
1. 3 answers
2. asked by Joana
3. 995 views
Let f be the function defined for x >or= to 0 with f(0)=5 and f', the first derivative of f, give by f'(x)=e^(-x/4)sin(x^2).A)
1. 0 answers
2. asked by Leanna
3. 991 views
A capacitor consists of a set of two parallel plates of area A separated by a distance d. This capacitor is connected to a
1. 1 answer
2. asked by Sam
3. 986 views
An airplane is flying with a velocity of 240 m/s at an angle of 30.0° with the horizontal, as the drawing shows. When the
1. 3 answers
2. asked by tish
3. 986 views
If E,N,O,T,and W each represent a different integer, can you find more than on solution to this problem?
1. 0 answers
2. asked by christy
3. 980 views
How did the Sarbanes-Oxley Act affect the accounting profession?Did it change their relationship to businesses?
1. 0 answers
2. asked by Sam
3. 971 views
Bob makes his first deposit into an IRA earning % compounded annually on the day he turns 27 and his last deposit on the day he
1. 2 answers
2. asked by lauren
3. 966 views
describe the similarities and differences between y=x^2 and a power funtion with a even degree higher than two?please help me!!!
1. 6 answers
2. asked by balasaba
3. 963 views
Consider the function f(x)=(4^x−1)/x.(a) Fill in the following table of values for f(x): x= -0.1 -0.01 -0.001 -0.0001 0.0001
1. 0 answers
2. asked by Abi
3. 959 views
Sensotech Inc., a maker of microelectromechanical systems, believes it can reduce product recall by 10% if it purchases new
1. 1 answer
2. asked by Ating
3. 950 views
The length of a rectangular piece of property if 1 foot more than twice the width. If the perimeter is 302 feet, find the length
1. 2 answers
2. asked by RNRH
3. 942 views
The sum of the measures of the three angles of any triangle is 180°. In the illustration, the measure of 2 (angle 2) is 7°
1. 4 answers
2. asked by kylie
3. 928 views
what volume and mass of steam at 100 degrees C and 1.00 atm would, during condensation, release the same amount of heat as
1. 0 answers
2. asked by JAJA HI
3. 922 views
List 3 word elements and examples in health field?
1. 1 answer
2. asked by Jo
3. 916 views
I need an acrostic poem for Photosynthesis?!I got everything else I need a few letters Photosynthetic or Plants Heterotrough
1. 2 answers
2. asked by Brianna
3. 893 views
For the reaction4NH3(g) + 3O2(g) -> 2N2(g) + 6H2O(g) , K = 10^80 at a certain temperature. Initially, all reactants and products
1. 0 answers
2. asked by Eddy
3. 891 views

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