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Questions Asked on October 11, 2012

A certain computer can perform 10 to the 5th power calculations per second. How many calculations can it perform in 10 seconds?
1. 20 answers
2. asked by Larry
3. 14,633 views
What are the solutions of the quadratic equation?2x2 – 16x + 32 = 0
1. 4 answers
2. asked by kendra
3. 8,734 views
Two ships leave the same port at noon. Ship A sails north at 22 mph, and ship B sails east at 12 mph. How fast is the distance
1. 2 answers
2. asked by Ali
3. 8,674 views
a man on a dock is pulling in a boat by means of a rope attached to the bow of the boat 1ft above the water level and passing
1. 3 answers
2. asked by Anonymous
3. 7,318 views
A conical pendulum is formed by attaching a ball of mass m to a string of length L, then allowing the ball to move in a
1. 2 answers
2. asked by Anonymous
3. 6,073 views
If there is 1/6 of a cake and Mitchell only wants 3/12 of it, how much of the cake does he want
1. 12 answers
2. asked by Sally
3. 6,013 views
A 60kg skier starts from rest at a height of 20m above the end of a ski-jump and leaves the ramp at an angle of 28 degrees.
1. 2 answers
2. asked by Guy
3. 5,414 views
I have this question: Which is the smallest unit of measurement for temperature? One Celsius degree: one Kelvin:one Fahrenheit.
1. 3 answers
2. asked by MIKE
3. 4,854 views
Did the nitrate ion effect the color emission of the solution ? how did you decide ?my answer: No , because The nitrate ion is
1. 2 answers
2. asked by Maria
3. 3,842 views
A 5.84 box sits on a ramp that is inclined at 35.2 above the horizontal. The coefficient of kinetic friction between the box and
1. 3 answers
2. asked by carol
3. 3,380 views
Draw a flowchart or write pseudocode to represent the logic of a program that allows the user to enter a value. The program
1. 1 answer
2. asked by Sonya
3. 3,288 views
The molar enthalpy of combustion of glucose is -2803 kJ. A mass of 1.000 g glucose is combusted in a bomb calorimeter. If the
1. 3 answers
2. asked by Kyle
3. 3,202 views
the net ionic equation for the following molecular equationKNO2(aq) + HCl(aq) KCl(aq) + HNO2(aq)
1. 1 answer
2. asked by Jasmine
3. 3,079 views
Find the least common multiple of the monomials. 5a squared, and 16a cubed. Also 17b squared and 3b cubed. Could you show me how
1. 2 answers
2. asked by Logan
3. 2,948 views
What is ironic about the rioters' wish to kill Death?A.Death is the one who seeks people to kill. B.The rioters should be
1. 3 answers
2. asked by Anon
3. 2,654 views
Mathematically determine the resultant force if two forces A and B act on an object. Force A is 85N and is at an angle of 20•
1. 5 answers
2. asked by Christian
3. 2,596 views
A box contains 20 balls, of which 5 are red, 5 are blue, 5 are white and 5 are green. Suppose a sample of 5 balls are chosen
1. 3 answers
2. asked by Candice
3. 2,256 views
The rubidium isotope 87Rb is a β emitter that has a half-life of 4.9 x 1010 y that decays into 87Sr. It is used to determine
1. 1 answer
2. asked by Anonymous
3. 2,177 views
Calculate the concentrations of all species in a 1.41 M Na2SO3 (sodium sulfite) solution. The ionization constants for sulfurous
1. 3 answers
2. asked by Chris
3. 2,107 views
A 63 kg student is standing atop a spring in an elevator that is accelerating upward at 2.5 m/s^2 . The spring constant is 2700
1. 4 answers
2. asked by Guy
3. 1,995 views
The number of traffic accidents per day on a certain section of highway is thought to be Poisson distributed with a mean equal
1. 1 answer
2. asked by Aria
3. 1,995 views
BalanceC3H6 + O2 > H2O + CO2
1. 1 answer
2. asked by Stacy
3. 1,970 views
I need a thesis statement for the story, "Rikki Tikki Tavi" by Rudyard Kipling. I thought about using " (In) This short story,
1. 5 answers
2. asked by Abby
3. 1,941 views
College Physics- Center of Mass?The objects in the figure below are constructed of uniform wire bent into the shapes shown
1. 3 answers
2. asked by Herosugar
3. 1,933 views
approximate square root to the nearest integer-------- square root of 46
1. 1 answer
2. asked by lynn
3. 1,849 views
Calculate the number of moles of Cl atoms in 1.81×10e24 formula units of magnesium chloride,MgCl2.
1. 1 answer
2. asked by troy
3. 1,848 views
A 67-kg man standing on a scale in an elevator notes that as the elevator rises, the scale reads 840 N. What is the acceleration
1. 1 answer
2. asked by Anonymous
3. 1,840 views
1.Who invented the caravel, or the first ship to be able to sail against the wind? (1 point) the Portuguese the Spanish the
1. 25 answers
2. asked by Anonymous
3. 1,828 views
Tarzan swings on a 34.0-m-long vine initially inclined at an angle of 33.0° with the vertical.(a) What is his speed at the
1. 1 answer
2. asked by monic
3. 1,742 views
The area of a rectangle is 20 square inches. The length of the rectangle is 1 inch longer than the width. What are the length
1. 7 answers
2. asked by Jay
3. 1,719 views
Two cars pass each other traveling at the same speed. One car has a constant velocity of 18.0 m/s east. The other car has a
1. 1 answer
2. asked by Alex
3. 1,714 views
A sample of 50 values produced the following summary statistics: Q1 = 10, Q2 = 14.6, Q3 = 16.7 and x = 15.3. Based on this
1. 1 answer
2. asked by Aria
3. 1,625 views
Find the probability that if the letters of the word "parallel" are randomly arranged that the L's will not be together.In
1. 1 answer
2. asked by Candice
3. 1,573 views
This is a three part problem I need help in figuring out pleaseIn each of the questions below you are going to determine a
1. 1 answer
2. asked by Melinda
3. 1,475 views
An airplane of mass 1.6 x 10^4 kg is moving at 58 m/s. The pilot then revs up the engine so that the forward thrust by the air
1. 1 answer
2. asked by Amy
3. 1,463 views
A 48.4 N child is in a swing that is attached to ropes 1.24 m long. Find the gravitational potential energy associated with the
1. 2 answers
2. asked by Anonymous
3. 1,435 views
The heights of women aged 20 to 29 follow approximately the N (64, 4) distribution. Men the same age have heights distributed as
1. 3 answers
2. asked by help
3. 1,422 views
A fence 8 feet tall stands on level ground and runs parallel to a tall building. If the fence is 1 foot from the building, find
1. 2 answers
2. asked by Erica
3. 1,370 views
Use the following information to determine the number of people in each region of the Venn Diagram174 people were asked which of
1. 2 answers
2. asked by Shyanne
3. 1,310 views
a ramp is 2.8 m long and 1.2 m high. how much power is needed to push a box up a ramp in 4.6 s with a force of 96 N?
1. 2 answers
2. asked by breamontri
3. 1,242 views
I cannot solve the problem please help me.I'm suppose to set the equations up to solve for t. x = y + rt + at^2/2 Even when I
1. 1 answer
2. asked by Angie
3. 1,239 views
A 7.80-g bullet moving at 520 m/s penetrates a tree trunk to a depth of 4.60 cm.(a) Use work and energy considerations to find
1. 2 answers
2. asked by monic
3. 1,230 views
Prove that for an earth satellite,the ratio of its velocity at apogee to its velocity at perigee is the inverse ratio of its
1. 1 answer
2. asked by veera
3. 1,228 views
Iodine can be prepared by bubbling chlorine gas through an aqueous solution of sodium iodide:2NaI(aq) + Cl2(g) → I2(s) +
1. 1 answer
2. asked by Jon
3. 1,221 views
The length of a rectangle is 9 feet longer than twice the width. If the perimeter is 90 feet, find the length and width of the
1. 1 answer
2. asked by Anonymous
3. 1,212 views
For the reaction HCl + AgNO3 → ,write the balanced formula equation
1. 2 answers
2. asked by Jena
3. 1,209 views
I don't get the first problem of my homework. We learned three lessons today, the increase, decrease, and finding the base
1. 1 answer
2. asked by Losa
3. 1,206 views
Where did the Maori originate from?Indonesia, Malay, Polynesia, Australia. Australia, right?
1. 1 answer
2. asked by rawr... im a dinosaur.... rawr
3. 1,202 views
According to Hund's rule,electrons occupy equal energy orbitals so that a maximum number of UNPAIRED electrons results.True or
1. 1 answer
2. asked by Anonymous
3. 1,197 views
A 0.70 kg block along a horizontal track has a speed of 1.10 m/s immediately before colliding with a light spring of force
1. 2 answers
2. asked by Anonymous
3. 1,193 views
The maximum speed of a child on a swing is 4.90 m/s. The child's height above the ground is 0.525 m at the lowest point in his
1. 1 answer
2. asked by Becca
3. 1,180 views
A block of mass 2.50 kg is pushed 2.80 m along a frictionless horizontal table by a constant 12.0 N force directed 25.0° below
1. 0 answers
2. asked by monic
3. 1,172 views
what is the molar enthalpy change when 147 g of water cools from 90.0 degrees C to 17.0 degrees C
1. 1 answer
2. asked by sam smith
3. 1,161 views
Please solve this word problem,It will take at least 360 points for Kiko"s team to win the math contest. The scores are 94,82,
1. 1 answer
2. asked by Ann
3. 1,154 views
A point object is acted upon by forces of 4N, 5N and 6N is in equilibrium. IF=f the 6N force is removed, what is the resultant
1. 3 answers
2. asked by liam
3. 1,147 views
Ethanol, C2H6O, is very soluble in water. Describe how water dissolved ethanol.
1. 1 answer
2. asked by Stac
3. 1,120 views
Calculate the concentrations of all species in a 1.41 M Na2SO3 (sodium sulfite) solution. The ionization constants for sulfurous
1. 1 answer
2. asked by Chris
3. 1,098 views
Molarity of NaOH solution = 0.06115Volume of NaOH used = 15.50 mL Volume of unknown Sample = 10.00 mL Find the Moles of NaOH
1. 1 answer
2. asked by Fred
3. 1,080 views
A factory worker pushes a 30.7 crate a distance of 4.0 along a level floor at constant velocity by pushing downward at an angle
1. 3 answers
2. asked by HANNE
3. 1,078 views
When HgO is heated, it decomposes into elemental mercury and diatomic oxygen gas. If 42.9 g of Hg is obtained from 70.1 g of the
1. 1 answer
2. asked by Lara
3. 1,068 views
A science student is riding on a flatcar of a train traveling along a straight, horizontal track at a constant speed of 12.8
1. 1 answer
2. asked by sedef
3. 1,050 views
On a playground slide, a child has potential energy that decreases by 1000 J while her kinetic energy increases by only 900 J.
1. 1 answer
2. asked by Anonymous
3. 1,049 views
The length of rectangle is increasing at a rate of 8cm/s and its width is increasing at a rate of 3cm/s. When the length is 20cm
1. 1 answer
2. asked by Chelle
3. 993 views
The volume of a 500 g sealed packet is 350 cm cube . Will the packet float or sink in water if density of water is 1 g cm raised
1. 1 answer
2. asked by ujjval
3. 984 views
Silver Nitrate and Sodium carbonate has a known concentration of 0.500M. preparing 25ml of 0.500m. Calculate the mass to the
1. 1 answer
2. asked by Sarah Taylor
3. 978 views
This is a three part problem I need help in figuring out pleaseIn each of the questions below you are going to determine a
1. 1 answer
2. asked by Melinda
3. 968 views
which property is demonstrated here?3455*1=3455
1. 1 answer
2. asked by Anastasia
3. 966 views
Let Y be a random number between 0 and 1 produced by the idealized uniform random number generator with density curve pictured
1. 0 answers
2. asked by George
3. 951 views
Evaluate the ways in which the legacy of slavery has prevented the United States from building a more just society, supporting
1. 1 answer
2. asked by Leah
3. 940 views
The DNA molecule has the shape of a double helix. The radius of each helix is about 10 angstroms (1 Å = 10−8 cm). Each helix
1. 0 answers
2. asked by Becky
3. 931 views
crusty bought balloons at 5 for $1 and sold them 3 for $1. if his profit from selling balloons was $20, how many balloons did he
1. 1 answer
2. asked by micaela
3. 930 views
2n-11=m/4n=m/-3 Solve for the variables using substitution
1. 1 answer
2. asked by Marisa
3. 921 views
Colonizers successfully changed the colonized from subsistence activities to wage labor with: (Points : 1)rewards and
1. 1 answer
2. asked by Geraline
3. 910 views
Your Mathematic school teacher want to use a program that can read the name and the mark of a student. Your teacher want the
1. 2 answers
2. asked by sarah
3. 907 views
Which of the following was a problem faced by the average Chinese citizen during the Song dynasty?the shrinking use of the civil
1. 6 answers
2. asked by Colleen
3. 899 views
An airplane flying against the wind travels 100 miles in the same amount of time it would take the same plane to travel 140
1. 1 answer
2. asked by lance
3. 891 views
Jason is tiling a patio. The tiles are each 1 square decimeter. The patio is 6 meters long and 4 meters wide. How many tiles
1. 4 answers
2. asked by Girt
3. 889 views
If you run 1 mile on Monday and then double everyday how many miles will you run by friday?
1. 3 answers
2. asked by mj
3. 883 views
Posted by rfvv on Thursday, October 11, 2012 at 3:39am.1. The grass grows thick in the garden. 2. The grass grows thickly in the
1. 1 answer
2. asked by rfvv
3. 869 views
An accelerometer in a control system consists of a 4.70 g object sliding on a horizontal rail. A low-mass spring is connected
1. 0 answers
2. asked by Anonymous
3. 862 views
I am a four digit number. My tens digit is a 0. My ones digit is an odd number that is less then my hundrads digit. If you
1. 0 answers
2. asked by Anonymous
3. 861 views
verify the identity:(cosx/1+sinx) + (1+sinx/cosx) = 2secx
1. 3 answers
2. asked by mikey
3. 818 views
A spring gun (k = 27.1 N/m) is used to shoot a 51.1-g ball horizontally. Initially the spring is compressed by 16.5 cm. The ball
1. 1 answer
2. asked by Liz
3. 813 views
The maximum speed of a child on a swing is 4.90 m/s. The child's height above the ground is 0.525 m at the lowest point in his
1. 2 answers
2. asked by Grace
3. 805 views
Need help pleaseWhich of the following equations has the coefficients 2,1,1,2 when it is balanced? Fe2O3 + HClO4 → Fe(ClO4)3 +
1. 2 answers
2. asked by Aliyah
3. 804 views
how do you do this table?(gx2)-3 ?
1. 0 answers
2. asked by adrian
3. 802 views
The amount of energy released by burning a fuel source, measured in energy per mass, is called the fuel value. If all the energy
1. 1 answer
2. asked by Brittany
3. 792 views
Can you proofread this writing? I also need a good title.Theme, what comes to mind when you hear this word? When I hear this
1. 0 answers
2. asked by Tatyiana
3. 789 views
18/x for x = 0.12 answer ?
1. 1 answer
2. asked by destiny
3. 784 views
Who was One of the first people to state that matter is made up of atoms wasA. Democritus B. Rutherford C. dalton D. Aristotle
1. 1 answer
2. asked by juliana
3. 773 views
Write a linear equation relating x and yx 0 3 6 10 y 2 8 14 22
1. 1 answer
2. asked by Chan
3. 771 views
How do you do this problem?Calcuate the mass of CuCl2*5H2O required for preparing 400mL solution that of .25M in chloride ions.
1. 1 answer
2. asked by Tiffany
3. 767 views
An 52.0 N box of clothes is pulled 7.3 m up a 30.0° ramp by a force of 103 N that points along the ramp. If the coefficient of
1. 3 answers
2. asked by Angela
3. 762 views
what is the chemical name and lewis structure of NO3 -2
1. 1 answer
2. asked by Amanda
3. 761 views
A fox is chasing a bunny. The bunny is initially hopping east at 7 m/s when it first sees the fox. Over the next half second the
1. 0 answers
2. asked by Patsy
3. 756 views
Solution of middle terms expansion of (2x^2+1/x)^9
1. 3 answers
2. asked by Mandy
3. 755 views
If a flame on the candle burns red , how does energy of that flame compare to that of the Bunsen burner flame ? and why ?ans:The
1. 1 answer
2. asked by Maria
3. 747 views
The molar enthalpy of combustion of glucose is -2803 kJ. A mass of 1.000 g glucose is combusted in a bomb calorimeter. If the
1. 1 answer
2. asked by Kyle
3. 744 views
a flagpole 25 feet high stands on the top of a tower, which is 105 feet high. at what distance from the base of the tower will
1. 6 answers
2. asked by Cathy
3. 738 views
In a certain triangle the measure of one angle is triple the measure of a second angle but is 110 degrees less than the measure
1. 1 answer
2. asked by Richard D
3. 719 views

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