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2011
February
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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 answer
asked by
crystal
8,069 views
what is the molality of a 10.5% by mass glucose solution?. density of the solution is 1.03g/ml
can someone please explain how to
2 answers
asked by
sam
7,035 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
2 answers
asked by
frost
6,606 views
Rectangle ABCD is similar to rectangle EFGH. Rectangle ABCD has the following dimensions: segment AB=10 inches; segment BC = 6
5 answers
asked by
Anonymous
5,580 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 answer
asked by
jj
5,491 views
What is the empirical formula of caffeine (C8 H10 N4 O2)?
How do I get it? Thanks
2 answers
asked by
Cad
5,327 views
Ammonia gas reacts with oxygen gas according to the following equation:
4NH3 + 5O2----4NO + 6H2O a. How many moles of oxygen gas
5 answers
asked by
Jonathan
5,103 views
Question 1. An accurate statement about the Great Depression would be that?
A. it was a recession that became a depression
7 answers
asked by
Lonly
4,932 views
A solution contains 3.75g of nonvolatile pure hydrocarbon in 95g acetone. The boiling points of pure acetone and the solution
4 answers
asked by
James
4,086 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 answer
asked by
jessie
3,652 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?
3 answers
asked by
Jazmin
3,399 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
4 answers
asked by
Abi
3,346 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 answer
asked by
olga
3,086 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
3 answers
asked by
frost
2,901 views
how do i find a scale factor for scale drawings and scale models
3 answers
asked by
jarrad
2,700 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
2 answers
asked by
olga
2,614 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
3 answers
asked by
Abi
2,608 views
A 0.0677g sample of magnesium metal reacted with excess hydrochloric acid to produce 69.9 ml of hydrogen gas. The gas was
2 answers
asked by
K
2,593 views
All of the lanthanide metals react with HCl to form compounds having the formula MCl2,MCl3,or MCl4 (where M represents the
1 answer
asked by
T
2,472 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
2 answers
asked by
bob the builder
2,462 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 answer
asked by
kaykay
2,405 views
how do i write 7.8x10^7 in standard form?
2 answers
asked by
angiie
2,397 views
An uncharged spherical conducting shell surrounds a charge -q at the center of the shell. The charges on the inner and outer
2 answers
asked by
John
2,358 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
3 answers
asked by
Anonymous
2,314 views
Use Euler’s formula to answer the question.
A polyhedron has 12 edges and 6 faces, how many vertices does it have?
1 answer
asked by
Rena
2,306 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 answer
asked by
Catarina
2,200 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
2 answers
asked by
Kalyn
2,026 views
1. What do we call the movement in literature and the arts that emphasized nature and emotion over reason?
[x] a. Enlightenment
7 answers
asked by
Megan
2,024 views
Explain why 1/8 is greater than 1/10, but less than 1/3.
2 answers
asked by
Nina
1,953 views
Suppose a straight 1.25 mm diameter copper wire could just "float" horizontally in air because of the force of the Earth's
2 answers
asked by
Justin
1,912 views
What did Mussolini, Hitler, and Stalin all share in common.
7 answers
asked by
Ashley k.
1,768 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
3 answers
asked by
Tiffany
1,713 views
1. To be truly effective in a publication, an illustration should
A. appear in a darker shade or color than text. B. appear in a
4 answers
asked by
Anonymous
1,691 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
5 answers
asked by
sammie
1,631 views
Krispy Krunch cereal is 49% sugar. about how many ounces of sugar are in a 16 oz box of Krispy Krunch?
2 answers
asked by
alison
1,615 views
The potential difference between the plates of a parallel plate capacitor is 35 V and the electric field between the plates has
1 answer
asked by
Rusty
1,614 views
Consider an antenna transmitting a power of 5W at 900MHz. Calculate the received power at a distance of 2km if propagation is
4 answers
asked by
Nathan
1,589 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 answer
asked by
Jay
1,586 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
4 answers
asked by
megan
1,585 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 answer
asked by
Rusty
1,578 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 answer
asked by
Dee
1,572 views
Driving at a constant rate, noah covered 130 miles in 3.5 hours. Express his driving rate in feet per minute.
4 answers
asked by
kaykay
1,555 views
How did overproduction, under consumption, and stock market speculation lead to the stock market crash of 1929 and the Great
1 answer
asked by
Asher
1,480 views
how do you write seven names for 8.Using only numbers less than 10,and using at least three different opperations in each
14 answers
asked by
amy
1,475 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
2 answers
asked by
frost
1,464 views
describe the similarities and differences between y=x^2 and a power function with a even degree higher than two?
please help
1 answer
asked by
Anonymous
1,457 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 answer
asked by
jack
1,431 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 answer
asked by
Ivy
1,425 views
A quarterback claims that he can throw the football a horizontal distance of 183 m (200 yd). Furthermore, he claims that he can
0 answers
asked by
Lindsay
1,423 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
4 answers
asked by
cla
1,401 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 answer
asked by
Erica
1,381 views
The masses of the earth and moon are 5.98x1024 and 7.35x1022 kg, respectively. Identical amounts of charge are placed on each
2 answers
asked by
anto99999999999999999999999999
1,361 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
3 answers
asked by
tish
1,345 views
what are some contemporary examples that utilize idealism?
0 answers
asked by
Quentina
1,298 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 answer
asked by
Anonymous
1,286 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
0 answers
asked by
amy
1,282 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 answer
asked by
Hannah
1,233 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 answer
asked by
Jessica
1,233 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:
2 answers
asked by
K
1,223 views
sir
p2o5+H2o = H2P2O6 why is it H3po4? instead of H2P2O6 please explain me
1 answer
asked by
Ramesh Reddy
1,207 views
compare and contrast the structure and literary elements of Abigail Adams' letter to her daughter with Jean de Crevacoeur's
3 answers
asked by
ted
1,179 views
A road climbs at an 8 degree angle with the horizontal. What is the grade of the Road.
0 answers
asked by
Rose
1,175 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 answer
asked by
Kim
1,172 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
3 answers
asked by
Tiffany
1,169 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 answer
asked by
Stuck
1,167 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?
3 answers
asked by
Joe
1,165 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 answer
asked by
help please
1,156 views
A 6.0g of methane decomposes into 4.5g of Carbon and 1.5g of Heydrogen. Determine the empirical formula of methane.
1 answer
asked by
Cecille
1,153 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 answer
asked by
clariss
1,151 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 answer
asked by
hannah
1,143 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
0 answers
asked by
Abi
1,135 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
2 answers
asked by
aziz
1,130 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 answer
asked by
Rihanna
1,121 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 answer
asked by
olga
1,118 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
0 answers
asked by
olga
1,109 views
What are three ways geography influenced Roman History?
3 answers
asked by
Hannah
1,106 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 answer
asked by
Linda
1,080 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 answer
asked by
shelia
1,080 views
Write five sentences about the role of education in successful financial planning in the spaces on the following page. Correctly
4 answers
asked by
joe
1,076 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
0 answers
asked by
jackie
1,056 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?
0 answers
asked by
John
1,045 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
3 answers
asked by
Amanda E.
1,045 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 answer
asked by
Ryan
1,035 views
a chemist performs the sunthesis of sodium chloride from its elements. The chemist begins with 46 grams of sodium. How many
3 answers
asked by
Joana
1,016 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)
0 answers
asked by
Leanna
1,016 views
a neutron star, which is the remnant of an exploded massive star, consists of neutrons packing together with a total density of
2 answers
asked by
bonnie
1,011 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
3 answers
asked by
tish
1,010 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 answer
asked by
Sam
1,006 views
If E,N,O,T,and W each represent a different integer, can you find more than on solution to this problem?
0 answers
asked by
christy
994 views
How did the Sarbanes-Oxley Act affect the accounting profession?
Did it change their relationship to businesses?
0 answers
asked by
Sam
985 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
0 answers
asked by
Abi
983 views
describe the similarities and differences between y=x^2 and a power funtion with a even degree higher than two?
please help me!!!
6 answers
asked by
balasaba
982 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
2 answers
asked by
lauren
979 views
Sensotech Inc., a maker of microelectromechanical systems, believes it can reduce product recall by 10% if it purchases new
1 answer
asked by
Ating
961 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
2 answers
asked by
RNRH
956 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
0 answers
asked by
JAJA HI
947 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°
4 answers
asked by
kylie
947 views
List 3 word elements and examples in health field?
1 answer
asked by
Jo
926 views
For the reaction
4NH3(g) + 3O2(g) -> 2N2(g) + 6H2O(g) , K = 10^80 at a certain temperature. Initially, all reactants and products
0 answers
asked by
Eddy
913 views
I need an acrostic poem for Photosynthesis?!
I got everything else I need a few letters Photosynthetic or Plants Heterotrough
2 answers
asked by
Brianna
905 views
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