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Questions Asked on November 4, 2011

If a sample of pure hydrogen gas is ignited very carefully, the hydrogen burns gently, combining with the oxygen gas of the air
1. 3 answers
2. asked by Cassie
3. 6,921 views
The measures of two of the sides of an equilateral triangle are 3x + 15 in. and 7x – 5 in. What is the measure of the third
1. 12 answers
2. asked by Ryan
3. 4,677 views
a) Find the volume formed by rotating the region enclosed by x = 6y and y^3 = x with y greater than, equal to 0 about the
1. 2 answers
2. asked by Beth
3. 4,432 views
m1 = 2.7 kg block slides on a frictionless horizontal surface and is connected on one side to a spring (k = 40 N/m) as shown in
1. 2 answers
2. asked by mary
3. 4,270 views
Identify the five main elements that determine an area's climate, and give a brief description of each element.
1. 1 answer
2. asked by lola
3. 3,632 views
Okay so I kinda understand where to put the numbers into the formula but i'm not sure how to calculate the distance so could
1. 5 answers
2. asked by Amanda
3. 3,364 views
Draw the lewis structure for:SiO3 -2 CNO- TeO4 -2 F2PPCl2 thanks!
1. 1 answer
2. asked by patricio
3. 3,359 views
The 8th term of an A P is 5times the third term while the 7th term is 9 greater than the 4th term.what are the first five term
1. 4 answers
2. asked by Anonymous
3. 3,116 views
A glucose solution contains 55.8g of glucose (C6H12O6) in 455g of water. Calculate the freezing poing and boiling point of the
1. 1 answer
2. asked by Monique
3. 3,038 views
please help me i don't know how to do this! Draw the lewis structure for:SiO3 -2
1. 1 answer
2. asked by sari
3. 2,942 views
The block of mass 1.75337 kg has an acceleration of 3.8 m/s2 as shown.What is the magnitude of F? Assume the acceleration due to
1. 1 answer
2. asked by Jules
3. 2,757 views
write a pseudocode for a program that asks for the Employee ID, the hours worked and the pay rate, then returns the employee's
1. 4 answers
2. asked by Amanda
3. 2,714 views
A truck gets 377/x mpg when driven at a constant speed of x mph (between 25 and 75 mph). If the price of fuel is $1 per gallon
1. 1 answer
2. asked by Lisa
3. 2,489 views
The yearly attendance at a local movie theater is 82,000 and grows continuously at a rate of 5.1% each year. What is the
1. 4 answers
2. asked by Anonymous
3. 2,471 views
The number of customers that visit a local small business is 51,200 and has been continuously declining at a rate of 3.8% each
1. 3 answers
2. asked by Anonymous
3. 2,442 views
Two wheels have the same mass and radius of 4.0 kg and 0.35 m, respectively. One has (a) the shape of a hoop and the other (b)
1. 3 answers
2. asked by Jasmin
3. 2,329 views
In the bac of an old cupboard you discover a note signed by a pirate famous for his bizarre sense of humor and love of logical
1. 2 answers
2. asked by bill
3. 2,318 views
A centrifuge is a common laboratory instrument that separates components of differing densities in solution. This is
1. 3 answers
2. asked by marie
3. 2,264 views
Describe the factors that influence the weather, and explain how meteorologists are able to predict changes in the weather.
1. 2 answers
2. asked by lola
3. 2,158 views
A painter on a wooden plank drops a 1.50-kg can of paint from a height of 6 m. Find the following: (A) KE when the height is 4 m
1. 3 answers
2. asked by Tiziana
3. 1,969 views
Find the solubility of AgBr in 3.9 M NH3 [Ksp of AgBr = 5.0 10-13 and Kf of Ag(NH3)2+ = 1.7 107]
1. 1 answer
2. asked by courtney
3. 1,782 views
The flywheel of a prototype car engine is under test. The angular position θ of the flywheel is given by θ = (3.0rad/s3)t3 and
1. 3 answers
2. asked by ahmed
3. 1,781 views
An Alaskan rescue plane traveling 36 m/sdrops a package of emergency rations from a height of 137 m to a stranded party of
1. 1 answer
2. asked by Katie
3. 1,719 views
among coffee drinkers, men drink a mean of 3.2 cups per day with a standard deviation of 0.8 cups. Assume the number of coffee
1. 1 answer
2. asked by natasha
3. 1,660 views
A water balloon is catapulted into the air so that its height, h, in metres after t seconds is h=-4.9t^2+25t+1.9.when is the
1. 1 answer
2. asked by Jamie
3. 1,650 views
Find the value of x.The area of a rectangle = 105 The length is 2x+1 Width is x __________________________________ I tried
1. 1 answer
2. asked by Lynn
3. 1,603 views
find the force of gravity between 74.0kg physics students that are sitting 85.0 cm apart
1. 2 answers
2. asked by Anonymous
3. 1,504 views
Find the number of years for $4800 to grow to $9400 at 6% compounded quarterly. Round to the nearest tenth of a year.
1. 1 answer
2. asked by Anonymous
3. 1,453 views
the perimeter of a triangle is 49 centimeters. find the lenghts of its sides, if the longest side is 9 centimeters longer than
1. 2 answers
2. asked by takeidra
3. 1,423 views
Does any solid PbCl2 form when 3.1 mg NaCl is dissolved in 0.228 L of 0.12 M Pb(NO3)2.Find the Qsp.
1. 1 answer
2. asked by Savannah
3. 1,401 views
Lee Holmes deposited $15,000 in a new savings account at 9% interest compounded semiannually. At the beginning of year 4, Lee
1. 1 answer
2. asked by Kelitis
3. 1,337 views
will acidic foods cooked in a cast iron skillet become Fe+2 enriched because of a reaction beteen the acidic food and the
1. 1 answer
2. asked by Veronica
3. 1,317 views
A truck gets 377/x mpg when driven at a constant speed of x mph (between 25 and 75 mph). If the price of fuel is $1 per gallon
1. 2 answers
2. asked by Lisa
3. 1,283 views
how do i solve this please help 5 < x – 2 < 11
1. 2 answers
2. asked by Jake
3. 1,273 views
Paul works at a gas station. He earns $9.00 per hour. If he works eight hours a day, how much does he earn in a day?He works for
1. 2 answers
2. asked by Sall
3. 1,249 views
A tennis player receives a shot with the ball (0.0600 kg) traveling horizontally at 56.0 m/s and returns the shot with the ball
1. 1 answer
2. asked by sarah
3. 1,224 views
The first accurate measurement of the speed of light was made by Roemer in the 17th century. His measurements were based on
1. 1 answer
2. asked by Arielle
3. 1,220 views
Which of the following types of computers is considered a portable computer? (Points: 5)a. workstation b. mimicomputer c. server
1. 2 answers
2. asked by Julie
3. 1,218 views
Find the APR:Amount Financed $3500; Interest Charged $ 675; Number of Payments 24
1. 2 answers
2. asked by Anonymous
3. 1,197 views
What is the wavelength of radio waves of frequency 1400 kHz?(a) 42.9 (b) 214 (c) 42.9 (d) 3*10^8
1. 2 answers
2. asked by Arielle
3. 1,187 views
A 4.15-g bullet is moving horizontally with a velocity of +369 m/s, where the sign + indicates that it is moving to the right
1. 0 answers
2. asked by Meagan
3. 1,179 views
what is the minimum amount of force that must be applied to the sled in order to start it moving? the static friction is 0.30
1. 1 answer
2. asked by Ryan
3. 1,155 views
Hello Sir/Mam,This is what i have prepared for my first assignment, please let me know all my mistakes like grammar, speeling,
1. 3 answers
2. asked by niks
3. 1,142 views
An object 5 millimeters high is located 15 millimeters in front of a plane mirror. How far from the mirror is the image located?
1. 3 answers
2. asked by lisa
3. 1,129 views
The force of a 4 kg bowling ball to accelerate to 6 m/s2
1. 1 answer
2. asked by Nora
3. 1,125 views
I have to find the subjects and verbs in all these sentences, please let me know if I did it correctly. Thank you.A guy whom I
1. 11 answers
2. asked by Ally
3. 1,113 views
m1 = 2.7 kg block slides on a frictionless horizontal surface and is connected on one side to a spring (k = 40 N/m) as shown in
1. 0 answers
2. asked by joe
3. 1,102 views
A ball is attached to one end of a wire, the other end being fastened to the ceiling. The wire is held horizontal, and the ball
1. 0 answers
2. asked by Meagan
3. 1,101 views
Directions: Revise the following sentences to eliminate unnecessary shifts in tense,mood, voice, or person and number and
1. 1 answer
2. asked by Victor
3. 1,100 views
Evaluate the function y=2.55^(x+1) at the value x=1.83
1. 1 answer
2. asked by Pamela
3. 1,095 views
Transformers are used to increase the voltage produced at power plants. Why is it desirable for the power to be transmitted at
1. 1 answer
2. asked by Arielle
3. 1,055 views
Find exact value of the expression.sin( 27pi/4 + 17pi/6)
1. 1 answer
2. asked by Brianna
3. 1,044 views
Lance Jackson deposited $5,000 at Basil Bank at 9% interest compounded daily. What is Lance's investment at the end of 4 years?
1. 2 answers
2. asked by Kelitis
3. 1,027 views
1) Do you know if the nucleotide sequence of a mutation tell you anything about its dominance or recessiveness?2) Do you know
1. 0 answers
2. asked by Bobby
3. 1,014 views
How do I find the 2nd derivative of x^(-1/15)
1. 1 answer
2. asked by Jacob
3. 1,014 views
Which of the following would be the BEST strategy to follow in the opening paragraph of a letter to clients announcing expanded
1. 2 answers
2. asked by Carol
3. 1,006 views
Two hoses are connected to a swimming pool. Working together, they can fill the pool in 4 hr. The larger hose, working alone,
1. 4 answers
2. asked by Megan
3. 995 views
Iron reacts with superheated steam(H2O) to form hydrogen gas and the oxide Fe2O3. (write) Balance this chemical reaction. And if
1. 1 answer
2. asked by leslie
3. 975 views
DC = 10What is the measure of angle ABD?
1. 1 answer
2. asked by Dara
3. 961 views
a chemist wanted to make 100 grams of SO2. She had only 12 grams of sulfur and 4 grams of oxygen. Unfortunately, the amounts of
1. 1 answer
2. asked by jermain
3. 957 views
help me please! dram the lewis structure of CNO -explain me please! thanks
1. 1 answer
2. asked by sari
3. 956 views
A plane flying horizontally above Earth’s surface at 184 meters per second drops a crate. The crate strikes the ground 30.0
1. 1 answer
2. asked by Jules
3. 942 views
A single sample is being used to construct a 90% confidence interval for the population mean. What would be the difference
1. 1 answer
2. asked by Anonymous
3. 925 views
A power line carries a current of 110 A at a location where the Earth's magnetic field has a magnitude of 0.37 Gauss (0.37·10-4
1. 1 answer
2. asked by sonia
3. 922 views
Which would amount to more money on December 31 of this year: $500 invested on January 1st of this year at 10% annual interest
1. 1 answer
2. asked by Michael
3. 913 views
re arrange pamouseen to make a word from the reproductive sytem
1. 3 answers
2. asked by gregor
3. 908 views
Many complain about health care reforms and envy neighboring countries like Canada on their single-payer system. Nonetheless,
1. 3 answers
2. asked by HM
3. 898 views
Revise the following sentences to eliminate unnecessary shifts in tense,mood, voice, or person and number and between direct and
1. 4 answers
2. asked by Victor
3. 894 views
~I got a and b right but c i can't figure outFreight trains can produce only relatively small acceleration and decelerations.
1. 2 answers
2. asked by Lindsey
3. 886 views
Let's pretend the Work variable is normally distributed, with a mean/median/mode value of 22 and a standard deviation of 17.
1. 2 answers
2. asked by Sarah
3. 874 views
at what points on the hyperbola xy=12 is the tangent line parrallel to the line y= -3x
1. 1 answer
2. asked by Anonymous
3. 868 views
If in an experimental reaction 32.5 mL were collected of hydrogen gas at 23.5 degrees celsius and 745.2 Torr what would be the
1. 1 answer
2. asked by Maria
3. 864 views
How many milliliters of a 110mL solution of 1.5 M AlCl3 must be used to make 70mL of a solution that has a concentration of 0.2M
1. 1 answer
2. asked by Dave
3. 862 views
The volume of a cylinder is defined by the formula V=pie R squared h. If initially have a cylinder with a volume of 10m cubed.
1. 1 answer
2. asked by ted
3. 860 views
On a graph, the points (4,-2),(7,-2),(9,-5) and (2,-5) are connected in order to form a trapezoid. To the nearest tenth, what is
1. 3 answers
2. asked by Millwe
3. 819 views
use each of the digits 0 1 3 4 5 exactly once to write a decimal subtraction problem.the difference must be the same as one of
1. 1 answer
2. asked by joel
3. 815 views
How do consumption habits for products such as Scotch whisky vary from country to country?Why are some spirits products and
1. 1 answer
2. asked by John
3. 781 views
In the reaction between aluminum and hydrochloric acid, how many moles of hydrogen gas would be liberated when 3.612E-2 grams of
1. 0 answers
2. asked by Carrie
3. 770 views
A wagon is rolling forward on level ground. Friction is negligible. The person sitting in the wagon is holding a rock. The total
1. 1 answer
2. asked by Meagan
3. 764 views
An horizontally flying airplane has a 20 m wing span. If the vertical component of the Earth's magnetic field is 2*10^-5 T, and
1. 1 answer
2. asked by Arielle
3. 752 views
serigo has 30 gifts numbered from 1 to 30. There is a kite in each gift with a number that is multible of 4. There is a baseball
1. 2 answers
2. asked by help please !!!!!!!!!!!!!!!!!!!!
3. 724 views
A truck gets 377/x mpg when driven at a constant speed of x mph (between 25 and 75 mph). If the price of fuel is $1 per gallon
1. 0 answers
2. asked by Lisa
3. 716 views
Calculate the molarity of the commercial bleach before it was diluted. bleach 6.25%
1. 1 answer
2. asked by Anna
3. 712 views
How many grams of KCl would be produced from the complete decomposition of 2.75g of KClO3?
1. 1 answer
2. asked by Tim
3. 709 views
Write a paragraph explaining the social and economic effects of an industrial revolution.
1. 3 answers
2. asked by Amanda
3. 701 views
According to Faraday's law a change in flux through a circuit produces an emf. Which of the following does not produce a change
1. 2 answers
2. asked by Arielle
3. 691 views
In a class of 29 children, each of 20 children has a dog and each of 15 has a cat. How many of the children have both a dog an a
1. 1 answer
2. asked by John
3. 691 views
A stock solution is prepared by adding 20mL of 0.2M MgF2 to enough water to make 80mL. What is the F– concentration of 20 mL
1. 2 answers
2. asked by aDRIAN
3. 685 views
A trough is 10 ft long and 2.6 ft across thetop. Its ends are isosceles triangles with an altitude of 2.1 ft and vertex down.
1. 1 answer
2. asked by ninzyy
3. 682 views
While many complain about health care reforms and envy neighboring countries like canada on their single-payer system, there are
1. 11 answers
2. asked by HM
3. 682 views
The coordination compound has five stereoisomers (geometric plus optical isomers). Select all that apply...A:NH4[Pt(NH3)Cl3] B:
1. 0 answers
2. asked by Rachel
3. 677 views
What types of stoves were used during 1692? And specifically if you know what type was used in Salem?
1. 3 answers
2. asked by Anonymous
3. 669 views
Please help with this as I can not understand it at all. Imagine you've been shown a seismogram from an earthquake on which you
1. 2 answers
2. asked by Paula
3. 667 views
a runner time in the 100 meter dash is 32second when rounded to the nearest whole number. Name the fastest and slowest time in
1. 1 answer
2. asked by sunny
3. 664 views
a student dissolves 0.625 g of pure benzoic acid in distilled water and titrated the resulting solution to the equivalence point
1. 1 answer
2. asked by Anonymous
3. 661 views
A 4.15-g bullet is moving horizontally with a velocity of +369 m/s, where the sign + indicates that it is moving to the right
1. 0 answers
2. asked by Meagan
3. 660 views
3 beakers are being heated (small, medium and large). consider the first two. both beakers are filled with water and heated for
1. 1 answer
2. asked by lissa
3. 658 views
middle-aged man has been diagnosed as being at high-risk of developing Coronary Artery Disease.•State the chemical composition
1. 1 answer
2. asked by Anonymous
3. 656 views
The wavelength of light emitted from a distant galaxy by a hydrogen atom is observed to be 400 nm. If it is known that the
1. 1 answer
2. asked by Arielle
3. 654 views
Why metal(eg. iron)placed at aqueous solution will be more easily occur rusting?Is it due to the mobile ions in the aqueous
1. 1 answer
2. asked by Kong
3. 653 views

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