Ask a New Question
Search
Archives
2012
December
Questions Asked on
December 4, 2012
Shortly before the Russian Revolution, an eccentric man named Rasputin became ______as the "mad monk." Because he dressed like a
22 answers
asked by
brad
14,627 views
If the coefficient of kinetic friction between a 35 kg crate and the floor is 0.30, what horizontal force is required to move
1 answer
asked by
Henry
11,413 views
Balance the following equation for a half reaction that occurs in acidic solution. Use e– as the symbol for an electron.
Mo^3+
1 answer
asked by
Anonymous
7,545 views
One pipe fills a storage pool in 20 hours. A second pipe fills the same pool in 15 hours. when a third pipe is added and all
3 answers
asked by
sam
7,370 views
Peter has 1200 yards of fencing to enclose a rectangular area. Find the dimensions of the rectangle that maximize the enclosed
6 answers
asked by
Jane
5,939 views
Archimedes purportedly used his principle to verify that the king's crown was pure gold, by weighing the crown while it was
1 answer
asked by
Victor
5,872 views
how do i simplify (secx - cosx) / sinx?
i tried splitting the numerator up so that i had (secx / sinx) - (cosx / sinx) and then i
1 answer
asked by
v
5,758 views
In 6 hours,an experienced cook prepares enough pies to supply a local restaurant's daily order. Another cook prepares the same
1 answer
asked by
sam
5,375 views
Look at the numbers 13, 15, 19, 25,.... Describe the pattern and how can you find the next tow numbers.
11 answers
asked by
Vershawn
5,349 views
PROBLEM SOLVING 1: "ANDREA'S SOFTWARE BUSINESS"
I. Complete the following table: DO THE MATH Data Number of Programs Total Fixed
2 answers
asked by
Timithy
5,029 views
Water falls from a height of 84 m. Assuming that all the energy is converted into heat, the rise in temperature of water will be
4 answers
asked by
Salem
5,025 views
Converting sunlight to electricity with solar cells has an efficiency of 15%. It's possible to achieve a higher efficiency
3 answers
asked by
Anonymous
4,790 views
In 2 minutes, a conveyor belt moves 300 pounds of recyclable aluminum from the delivery truck to a storage area. A smaller belt
4 answers
asked by
David
4,477 views
Diana has 520 yards of fencing to enclose a rectangular area. Find the dimensions of the rectangle that maximize the enclosed
1 answer
asked by
Cathy
4,314 views
An elevator lifts a total mass of 1.1 x 10^3 kg, a distance of 40 m in 12.5s. How much power does the elevator demonstrate?
1 answer
asked by
Taylor
4,188 views
Which of the following is not a response to the Stamp Act?
8 answers
asked by
kid
4,083 views
The normal boiling point of bromine (Br2) is 58.8°C, and its molar enthalpy of vaporization is ΔHvap = 29.6 kJ/mol.
Calculate
2 answers
asked by
Josh G.
3,839 views
a 325ml sample of air is at 720 torr and 30.0 degrees Celsius. what volume will this gas occupy at 800 torr and 75.0 degrees
2 answers
asked by
Gurjot
3,337 views
A 46% efficient device uses chemical energy to generate 570J of electric energy.
1. How much chemical energy is used? 2. A second
2 answers
asked by
Anonymous
3,319 views
graph the inequality...
y > –5x + 3 I need help to know how to graph this - unsure how and I have to choose between 4 graphs
5 answers
asked by
Deborah
3,111 views
A radio station uses broadcasting at 600 kHz. What is the wavelength of the signals emitted by the station (speed of light
1 answer
asked by
Salem
2,902 views
The quotient of a number and 3, minus 1, equals 5/3. Find the number.
3 answers
asked by
sam
2,725 views
A magic number is the name given to certain numbers of protons or neutrons that have a high correlation to stability in nuclei.
M
1 answer
asked by
michelle
2,497 views
Aidan has $7565 in his checking account. He invests $5000 of it in an account that earns 3.5% intersest compounded continuously.
2 answers
asked by
Student09
2,477 views
A pilot can fly an MD-11 2160 miles with the wind in the same time she can fly 1920 miles against the wind. If the speed of the
1 answer
asked by
val
2,460 views
Find the parametric equations for the line of intersection of the planes x+y+z=3 and x-y+2z=2
I took the cross product of the 2
3 answers
asked by
Mackenzie
2,423 views
The marginal cost of a product can be thought of as the cost of producing one additional unit of output. For example, if the
1 answer
asked by
kristina
2,282 views
A pilot can travel 400 miles with the wind in the same amount of time as 336 miles against the wind. Find the speed of the wind
1 answer
asked by
justin
2,236 views
integral (4x^2-3x+2)/(4x^2-4x+3) dx
1 answer
asked by
Anonymous
2,222 views
A 10 ohm resistor and a 20 ohm resistor are connected in parallel. What is the equivalent resistance of this setup?
1 answer
asked by
Anonymous
2,184 views
Draw a diagram of the Born-Haber cycle for potassium bromide. Include labels (DHf,
DHSub, DHVap, DHI.E., DHE.A., DHL.E, etc.) of
2 answers
asked by
Jerett
2,089 views
if tangent to the curve y=2sinx +sin2x are drawn at p(x=60degree) then find the area of the quadrilateral formed by the tangent
3 answers
asked by
Anamika
2,023 views
ms. sue i post question about story identities. i not get what it mean when it say what it mean to have identity?
also the first
12 answers
asked by
Mohammad
1,979 views
Aluminum reacts with excess copper(II) sulfate according to the unbalanced reaction
Al(s) + CuSO4(aq) −→ Al2(SO4)3(aq) +
1 answer
asked by
Anonymous
1,966 views
A 9.0 m uniform beam is hinged to a vertical wall and held horizontally by a 5.0 m cable attached to the wall 4.0 m above the
1 answer
asked by
toby
1,904 views
Approximate the square root to the nearest hundredth
square root of 155 12. 449 (that's the square root of 155) 12.450 (i round
9 answers
asked by
Laruen
1,822 views
Three times the reciprocal of a number equals 9 times the reciprocal of 6. Find the number.
1 answer
asked by
David
1,743 views
What is the ratio of the wavelength of visible light of wavelength600 nm to that of an FM radio wave of frequency 100 MHz? c =
2 answers
asked by
Amy
1,635 views
a merry-go-round has a radius of 20 ft has a duration per ride of 15 revolutions. How far does a person travel who rides on the
1 answer
asked by
Mitchell
1,578 views
An airplane flew 1500 miles in 2.5 hours. How many kilometers is this per hour
4 answers
asked by
mike
1,565 views
A box with a weight of 22N falls through the air with a wind resistance of 14N, what is the mass of the box and the acceleration
1 answer
asked by
Mac
1,561 views
The diagonals of a trapezoid are perpendicular and have lengths 8 and 10. Find the length of the median of the trapezoid.
I don't
7 answers
asked by
Knights
1,527 views
An "energy bar" contains 19g of carbohydrates. If the energy bar was his only fuel, how far could a 68kg person walk at 5km/hr ?
1 answer
asked by
Anonymous
1,470 views
the pressure of hydrogen gas in a constant volume cylinder is 4.25atm at 0 degrees celsius. what will the pressure be if the
1 answer
asked by
Gurjot
1,455 views
A force of 310 N is applied horizontally to a crate in order to displace the crate 45.0 m across a level floor at a constant
1 answer
asked by
Casey
1,443 views
1.
Which climate region dominates most of Northern Africa? (1 point) humid continental highland tundra arid 2. What kind of storm
20 answers
asked by
Delilah
1,416 views
A jar contains 2 red marbles,6 blue marbles,4 white marbles, and 12 black marbles. What is the ratio of white marbles to all
3 answers
asked by
Ana
1,415 views
A car of mass 1200kg starts from rest, accelerates uniformly to a speed of 4.0 meters per second in 2.0 seconds and continues
2 answers
asked by
Ken
1,397 views
21) A 46 kg skater is standing still in front of a wall. By pushing against the wall she propels herself backward with a
1 answer
asked by
Bill
1,374 views
A child sits on a swing supported by ropes of length 3.0 m. With what frequency will she need to apply the driving force to
1 answer
asked by
jad
1,369 views
What percentage of the world's earthquakes and active volcanoes occur on the "Ring of Fire"?
1) *10% 2) *20% 3) *50% 4) *80% My
16 answers
asked by
!!!!Please Answer Ms.Sue The Real One!!!!
1,350 views
A force of 40 N is required to start a 5 kg box moving across a horizontal concrete floor. (a) What is the coefficient of static
0 answers
asked by
Harry
1,345 views
Assume that you are the president of Gaslight Company. At the end of the first year (December 31, 2011) of operations, the
0 answers
asked by
Anonymous
1,341 views
Find a30 -a20 for the AP a, a+d, a+2d, a+3d........
2 answers
asked by
Meenakshi
1,338 views
For the hydrogen atom where Rh=2.18*10^-18 J, the wavelength of the transition from the ground state to the n=3 state is_____?
1 answer
asked by
chironjit
1,327 views
Find the numerator for the equivalent fraction.
4/9 = ? / 63
1 answer
asked by
Anonymous
1,323 views
Which ordered pair is a solution of the inequality?
y ¡Ý 4x ¨C 5 A(3, 4) B(2, 1) C(3, 0) D(1, 1) I think it is C?
2 answers
asked by
Deborah
1,279 views
_The_Natural_Base_e_
An accident in 1986 at the Chernobyl nuculear plant in the Ukraine released a large amount of plutonium
1 answer
asked by
Student09
1,278 views
A small child has a wagon with a mass f 10 kilograms (KG). The child pulls on the wagon with a force of 2 newtons (N). What is
2 answers
asked by
Bri
1,275 views
What grammatical structure is the italicized portion of the sentence?
Although her personality had not changed at all, Megan
1 answer
asked by
RayRay
1,275 views
A thin, light horizontal string is wrapped around the rim of a 4.00-kg solid uniform disk that is 30.0 cm in diameter. A box is
1 answer
asked by
toby
1,249 views
Which of the changes will form more CaCO3 (more moles CaCO3)?
CO2 + Ca(OH)2=CaCO3 +H2O delta H =-113kJ Write and explain if
0 answers
asked by
Akira 8
1,243 views
Emma receives $7750 and invests it in an account that earns 4% interest
compounded continuously. What is the total amount of her
1 answer
asked by
Student09
1,238 views
An object in equilibrium has three forces exerted on it. A 30 N force acts at 90° from the x axis and a 48 N force acts at
0 answers
asked by
Mat
1,238 views
A population of animals oscillates annually from a low of 1300 on January 1st to a high of 2200 on July 1st, and back to a low
1 answer
asked by
Alex
1,227 views
Is the following question correct
It took a lot of planning, time, and energy to lay the track for the trans-continental
1 answer
asked by
mom
1,205 views
For a particular redox reaction NO is oxidized to NO3^– and Cu^2+ is reduced to Cu. Complete and balance the equation for this
2 answers
asked by
dr. bob rocks
1,201 views
Given θ = arcsin (tan45°) find the exact degree measure of θ without usiing calculator.
1 answer
asked by
TRIGONOMETRY
1,198 views
in a lab experiment, 133mL of gas was collected over water at 24 degrees Celsius and 742 torr. Calculate the volume that the dry
1 answer
asked by
Gurjot
1,193 views
Hi Steve,
You helped me with a question earlier today about finding surface area of a triangular prism with the base being an
1 answer
asked by
Cherie
1,193 views
Please help i really need help!! Celine wants to know the width of the pond. She drew the diagram shown below and labeled it
2 answers
asked by
Anonymous
1,191 views
A 0.286g sample of Zn was used to produce H2(g)by the reaction.
Zn(s)+ 2HCl(aq)> ZnCl2(aq) + H2(g) The barometric pressure was
1 answer
asked by
joann
1,187 views
which three of the most important sociological thinkers and use those ideas to explain the Senge, Hawken et al, and Kemmis
0 answers
asked by
mel
1,186 views
write each fraction as a whole number or mixed number.
24/8 18/5 21/6
1 answer
asked by
matthew`
1,175 views
A train sounds its horn as it approaches an intersection. The horn can just be heard at a level of 53 dB by an observer 11 km
1 answer
asked by
Anonymous
1,174 views
Can you check my answers please?
1. What continents touch the 60 degrees W line of longitude? North America and South America,
1 answer
asked by
Reed
1,163 views
Read the sentences Then rewrite each possessive noun correcting its use of the apostrophe
Moms' purse is on the hall table Mom's
5 answers
asked by
Jerald
1,158 views
INTEGRATION BY PARTS...
1) e^5t sin 3t dt 2) xe^3x dx 3) x sec^2 x dx **anybody can help me for this question?
1 answer
asked by
kchik
1,156 views
1. Use the Van der Waals equation to calculate the pressure exerted by 1.00 mol of Cl2; in 22.41 L at 0.0 degrees C. The
0 answers
asked by
Jayden
1,147 views
Predict whether the following bonds are ionic, covalent, or polar covalent based on
the bonding atoms electronegativities: N2 The
1 answer
asked by
Lisa
1,118 views
Qu'est-ce que tu utilises quand il fait chaud?
Qu'est-ce que tu n'utilises pas si tu as froid? Quand il fait froid, qu'est-ce
3 answers
asked by
Roscoe
1,115 views
Early skeptics of the idea of a rotating Earth said that the fast spin of Earth would throw people at the equator into space.
0 answers
asked by
Caleb
1,115 views
A volume of 122mL of argon, Ar, is collected at 50 degrees Celsius and 758 torr. What does this sample weigh?
2 answers
asked by
Gurjot
1,100 views
What's the lewis dot structure for CH2Cl2 ??
1 answer
asked by
billnyetho
1,087 views
i need help how to cook an cake
3 answers
asked by
YOLANDA MATEOS
1,085 views
A person exerts a force of 12.0 N on the end of a door 65.0 cm wide. What is the magnitude of the torque (in newton-meters) if
2 answers
asked by
Tori
1,085 views
Prove that in any triangle ABC, the median from A to the segment joining the midpoints of AB and AC bisect each other.
0 answers
asked by
Delia
1,079 views
A black bordering Sapphire St. is a right triangle. You start walking around the block, taking 125 paces on sapphire st. and 102
0 answers
asked by
Lelouch
1,078 views
wave speed:
the violin is a four stringed instrument tuned so that the ratio of the frequencies of adjacent strings is 3:2. (This
0 answers
asked by
zoe
1,050 views
what is the nickel ion concentration in a solution prepared by mixing 337ml of 0.430M nickel nitrate with 387ml of 0.251M sodium
1 answer
asked by
sa
1,038 views
A long, straight wire lies on a horizontal table and carries a current of 3.05 µA. In a vacuum, a proton moves parallel to the
0 answers
asked by
Anonymous
1,037 views
similes
1 answer
asked by
david
1,029 views
For a helium atom containing two protons, two neutrons and two electrons:
A)Calculate the first energy
0 answers
asked by
chanty
1,027 views
what is the question to usa studies weekly 9
5 answers
asked by
katie
1,024 views
Why does I2 have a higher boiling point than F2? And why does NH3 have a higher boiling point than PH3?
1 answer
asked by
Jeremy
1,023 views
a firm expects to sell 25000 units of its products at $11.00 p/unit. pretax income is predicted to be $60,000. if the variable
0 answers
asked by
manuel
1,023 views
Aluminum has a resistivity of 2.7*10-8 Ùm. What would be the resistance of 100 m of aluminum wire with a cross-sectional area
1 answer
asked by
Anonymous
1,023 views
You dissolve 20.0 gms of sucrose (sugar) in 200 mL of ethanol 20ºC (density of ethanol at 20ºC is 0.789 gm/ml). What is the
1 answer
asked by
T
1,020 views
. Folding a Pyramid - A pyramid with a square base and four faces,
each in the shape of an isosceles triangle, is made by cutting
0 answers
asked by
Paige
1,011 views
The diagonals of a trapezoid are perpendicular and have lengths 8 and 10. Find the length of the median of the trapezoid.
I tried
2 answers
asked by
Knights
1,007 views
Back to December 2012