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2011
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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
3 answers
asked by
Cassie
6,918 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
12 answers
asked by
Ryan
4,672 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
2 answers
asked by
Beth
4,428 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
2 answers
asked by
mary
4,266 views
Identify the five main elements that determine an area's climate, and give a brief description of each element.
1 answer
asked by
lola
3,627 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
5 answers
asked by
Amanda
3,361 views
Draw the lewis structure for:
SiO3 -2 CNO- TeO4 -2 F2PPCl2 thanks!
1 answer
asked by
patricio
3,357 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
4 answers
asked by
Anonymous
3,111 views
A glucose solution contains 55.8g of glucose (C6H12O6) in 455g of water. Calculate the freezing poing and boiling point of the
1 answer
asked by
Monique
3,036 views
please help me i don't know how to do this! Draw the lewis structure for:
SiO3 -2
1 answer
asked by
sari
2,938 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 answer
asked by
Jules
2,754 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
4 answers
asked by
Amanda
2,711 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 answer
asked by
Lisa
2,486 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
4 answers
asked by
Anonymous
2,468 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
3 answers
asked by
Anonymous
2,438 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)
3 answers
asked by
Jasmin
2,324 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
2 answers
asked by
bill
2,315 views
A centrifuge is a common laboratory instrument that separates components of differing densities in solution. This is
3 answers
asked by
marie
2,260 views
Describe the factors that influence the weather, and explain how meteorologists are able to predict changes in the weather.
2 answers
asked by
lola
2,151 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
3 answers
asked by
Tiziana
1,964 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
3 answers
asked by
ahmed
1,776 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 answer
asked by
courtney
1,776 views
An Alaskan rescue plane traveling 36 m/s
drops a package of emergency rations from a height of 137 m to a stranded party of
1 answer
asked by
Katie
1,713 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 answer
asked by
natasha
1,655 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 answer
asked by
Jamie
1,646 views
Find the value of x.
The area of a rectangle = 105 The length is 2x+1 Width is x __________________________________ I tried
1 answer
asked by
Lynn
1,600 views
find the force of gravity between 74.0kg physics students that are sitting 85.0 cm apart
2 answers
asked by
Anonymous
1,499 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 answer
asked by
Anonymous
1,450 views
the perimeter of a triangle is 49 centimeters. find the lenghts of its sides, if the longest side is 9 centimeters longer than
2 answers
asked by
takeidra
1,421 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 answer
asked by
Savannah
1,397 views
Lee Holmes deposited $15,000 in a new savings account at 9% interest compounded semiannually. At the beginning of year 4, Lee
1 answer
asked by
Kelitis
1,331 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 answer
asked by
Veronica
1,311 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
2 answers
asked by
Lisa
1,281 views
how do i solve this please help 5 < x – 2 < 11
2 answers
asked by
Jake
1,268 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
2 answers
asked by
Sall
1,239 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 answer
asked by
sarah
1,218 views
The first accurate measurement of the speed of light was made by Roemer in the 17th century. His measurements were based on
1 answer
asked by
Arielle
1,214 views
Which of the following types of computers is considered a portable computer? (Points: 5)
a. workstation b. mimicomputer c. server
2 answers
asked by
Julie
1,214 views
Find the APR:
Amount Financed $3500; Interest Charged $ 675; Number of Payments 24
2 answers
asked by
Anonymous
1,195 views
What is the wavelength of radio waves of frequency 1400 kHz?
(a) 42.9 (b) 214 (c) 42.9 (d) 3*10^8
2 answers
asked by
Arielle
1,181 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
0 answers
asked by
Meagan
1,174 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 answer
asked by
Ryan
1,151 views
Hello Sir/Mam,
This is what i have prepared for my first assignment, please let me know all my mistakes like grammar, speeling,
3 answers
asked by
niks
1,135 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?
3 answers
asked by
lisa
1,126 views
The force of a 4 kg bowling ball to accelerate to 6 m/s2
1 answer
asked by
Nora
1,112 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
11 answers
asked by
Ally
1,107 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
0 answers
asked by
Meagan
1,098 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
0 answers
asked by
joe
1,097 views
Directions: Revise the following sentences to eliminate unnecessary shifts in tense,
mood, voice, or person and number and
1 answer
asked by
Victor
1,095 views
Evaluate the function y=2.55^(x+1) at the value x=1.83
1 answer
asked by
Pamela
1,092 views
Transformers are used to increase the voltage produced at power plants. Why is it desirable for the power to be transmitted at
1 answer
asked by
Arielle
1,050 views
Find exact value of the expression.
sin( 27pi/4 + 17pi/6)
1 answer
asked by
Brianna
1,041 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?
2 answers
asked by
Kelitis
1,022 views
1) Do you know if the nucleotide sequence of a mutation tell you anything about its dominance or recessiveness?
2) Do you know
0 answers
asked by
Bobby
1,009 views
How do I find the 2nd derivative of x^(-1/15)
1 answer
asked by
Jacob
1,009 views
Which of the following would be the BEST strategy to follow in the opening paragraph of a letter to clients announcing expanded
2 answers
asked by
Carol
1,004 views
Two hoses are connected to a swimming pool. Working together, they can fill the pool in 4 hr. The larger hose, working alone,
4 answers
asked by
Megan
992 views
Iron reacts with superheated steam(H2O) to form hydrogen gas and the oxide Fe2O3. (write) Balance this chemical reaction. And if
1 answer
asked by
leslie
969 views
DC = 10
What is the measure of angle ABD?
1 answer
asked by
Dara
958 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 answer
asked by
jermain
955 views
help me please! dram the lewis structure of CNO -
explain me please! thanks
1 answer
asked by
sari
952 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 answer
asked by
Jules
937 views
A single sample is being used to construct a 90% confidence interval for the population mean. What would be the difference
1 answer
asked by
Anonymous
922 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 answer
asked by
sonia
920 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 answer
asked by
Michael
909 views
re arrange pamouseen to make a word from the reproductive sytem
3 answers
asked by
gregor
904 views
Many complain about health care reforms and envy neighboring countries like Canada on their single-payer system. Nonetheless,
3 answers
asked by
HM
894 views
Revise the following sentences to eliminate unnecessary shifts in tense,
mood, voice, or person and number and between direct and
4 answers
asked by
Victor
890 views
~I got a and b right but c i can't figure out
Freight trains can produce only relatively small acceleration and decelerations.
2 answers
asked by
Lindsey
883 views
Let's pretend the Work variable is normally distributed, with a mean/median/mode value of 22 and a standard deviation of 17.
2 answers
asked by
Sarah
869 views
at what points on the hyperbola xy=12 is the tangent line parrallel to the line y= -3x
1 answer
asked by
Anonymous
864 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 answer
asked by
Maria
861 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 answer
asked by
Dave
857 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 answer
asked by
ted
857 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
3 answers
asked by
Millwe
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 answer
asked by
joel
811 views
How do consumption habits for products such as Scotch whisky vary from country to country?
Why are some spirits products and
1 answer
asked by
John
778 views
In the reaction between aluminum and hydrochloric acid, how many moles of hydrogen gas would be liberated when 3.612E-2 grams of
0 answers
asked by
Carrie
767 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 answer
asked by
Meagan
761 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 answer
asked by
Arielle
748 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
2 answers
asked by
help please !!!!!!!!!!!!!!!!!!!!
719 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
0 answers
asked by
Lisa
712 views
Calculate the molarity of the commercial bleach before it was diluted. bleach 6.25%
1 answer
asked by
Anna
708 views
How many grams of KCl would be produced from the complete decomposition of 2.75g of KClO3?
1 answer
asked by
Tim
705 views
Write a paragraph explaining the social and economic effects of an industrial revolution.
3 answers
asked by
Amanda
698 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
2 answers
asked by
Arielle
686 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 answer
asked by
John
685 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
2 answers
asked by
aDRIAN
683 views
A trough is 10 ft long and 2.6 ft across the
top. Its ends are isosceles triangles with an altitude of 2.1 ft and vertex down.
1 answer
asked by
ninzyy
677 views
While many complain about health care reforms and envy neighboring countries like canada on their single-payer system, there are
11 answers
asked by
HM
677 views
The coordination compound has five stereoisomers (geometric plus optical isomers). Select all that apply...
A:NH4[Pt(NH3)Cl3] B:
0 answers
asked by
Rachel
672 views
What types of stoves were used during 1692? And specifically if you know what type was used in Salem?
3 answers
asked by
Anonymous
666 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
2 answers
asked by
Paula
661 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 answer
asked by
sunny
661 views
a student dissolves 0.625 g of pure benzoic acid in distilled water and titrated the resulting solution to the equivalence point
1 answer
asked by
Anonymous
659 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
0 answers
asked by
Meagan
654 views
middle-aged man has been diagnosed as being at high-risk of developing Coronary Artery Disease.
•State the chemical composition
1 answer
asked by
Anonymous
651 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 answer
asked by
Arielle
649 views
3 beakers are being heated (small, medium and large). consider the first two. both beakers are filled with water and heated for
1 answer
asked by
lissa
649 views
A sample of n = 9 has a mean of M = 72 with SS = 162. Use the sample to make a point estimate of ì and to construct the 90%
1 answer
asked by
Anonymous
649 views
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