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2011
April
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April 15, 2011
A particle moves with its position given by x=cos(2t) and y=sin(t), where positions are given in feet from the origin and time t
1 answer
asked by
Catherine
6,828 views
Consider the parameterization of the unit circle given by x=cos(4t^2−t), y=sin(4t^2−t) for t in (−InF, INF). Describe in
1 answer
asked by
Catherine
5,904 views
You are given 9 to 1 odds against tossing three heads with three coins, meaning you win $9 if you succeed and you lose $1 if you
2 answers
asked by
Chris
5,795 views
What mass of liquid water a t room temperature (25°C) can be raised to its boiling point with the addition of 40.0 kJ of
4 answers
asked by
Anonymous
5,653 views
Three quarters are tossed and a tail appears on at least one of them. What is the probability that at least one head appears?
3 answers
asked by
Sam
5,616 views
calculate the number of oxygen needed to oxidize 12.5grams of glucose (C6H12O6) into carbon dioxide and water. (Combustion
1 answer
asked by
Opo
5,142 views
you draw two cards from a standard deck of 52 cards, but before you draw the second card, you put the first one back and
2 answers
asked by
destiny
4,818 views
For how many two-digit prime numbers is the sum of its digits 8?
7 answers
asked by
Jack
3,473 views
At the equator, the earth’s field is essentially horizontal; near the north pole, it is nearly vertical. In between, the angle
3 answers
asked by
Tom
3,033 views
In a solar water heater, energy from the Sun is gathered by water that circulates through tubes in a rooftop collector. The
1 answer
asked by
monique
2,816 views
At 298K,
2PCl3(g)+O2(g)---> 2POCl3(l) Delta H= -620.2kJ for the reaction and the standard molar entropies are ,PCl3(g)=
2 answers
asked by
PM221
2,662 views
The reform reaction between steam and gaseous methane () produces "synthesis gas," a mixture of carbon monoxide gas and
2 answers
asked by
BlahxD
2,551 views
What amount must be paid to settle an invoice of $1200 dated Nov.28 , terms 3/10, n/30 if the invoice is paid on Dec. 3? I got
1 answer
asked by
ann
2,428 views
A heavy conductor (mass m, length `, resistance R) is suspended by two springs each with spring constant k, and connected to a
2 answers
asked by
cr
2,352 views
100 ml of 0.02 M acetic acid (pKa= 4.76) is titrated with 0.02 N KOH. After adding
some base to the acid solution, the observed
1 answer
asked by
kavin
2,283 views
Billiard ball A of mass mA=0.400kg moving with speed vA=1.80m/s strikes ball B, initially at rest of mass mB=0.500kg. As a
1 answer
asked by
shahzi
2,082 views
Determine the pH of 263 ml of solution which has [NH 4I] = 0.300 M. Kb = 1.74 × 10-5 for NH3(aq)
1 answer
asked by
Cait
2,057 views
How much heat is emitted when 4.55 of water condenses at 25 ? The heat of vaporization of water at 25 is 44.0 .
1 answer
asked by
Tany
1,783 views
1. Traci purchases a car for $16,000. If its depreciates by 12% per year, what will be the car's value in 5 years?
2. The
2 answers
asked by
Bianna
1,676 views
calculate the number of oxygen needed to oxidize 12.5grams of glucose (C6H12O6) into carbon dioxide and water. (Combustion
1 answer
asked by
Opo
1,646 views
2C2H6 +7O2 --> 4CO2 + 6H2O
If 6 moles of O2 are used in the following reaction, how many grams of CO2 will be produced?
1 answer
asked by
Barbara
1,586 views
Jennifer has a 60-month fixed installment loan, with a monthly payment of $223.04. The amount she borrowed was $11,000. Instead
0 answers
asked by
Hira
1,433 views
Which of the following observations of children is the most objective?
A. Chris took a toy truck from Alex. Alex cried, became
1 answer
asked by
brandy
1,368 views
You observe someone pulling a block of mass 48 kg across a low-friction surface. While they pull a distance of 3.0 m in the
1 answer
asked by
Amelie
1,348 views
If the true population standard deviation was known to be 3.0, then approximately what minimum sample size would you need in a
0 answers
asked by
Marissa
1,287 views
I set this problem up as 500-2X=3,400
Marys monthly salary is $500 less than twice her daughter's salary. Together they earn
1 answer
asked by
Caroline
1,280 views
Select the letter of the best correction for the run-on below.
Perhaps Eric first saw Greenland in midsummer when it was really
7 answers
asked by
anthony
1,240 views
An electrochemical cell that uses the reaction
Ti^3+ + 2Cr^2+ -> Ti^1+ + 2Cr^3+ Has a standard cell potential of E¢ªcell =
0 answers
asked by
Anna
1,232 views
I don't know how to begin this one-help
Janie bought 2 pairs of identical jeans at a sale.she paid regular price for the 1st pair
1 answer
asked by
Caroline
1,228 views
PLEASE NOTE: Titration requires several steps in order to obtain exact results. The procedures described in this lab assume that
1 answer
asked by
Zach
1,228 views
margie pagano is buying a car. her june payment monthly interest at 13.2% was $208. what was margie principal balance at the
0 answers
asked by
elijah
1,198 views
I was wondering if someone could help me find information on the short story "Died and Gone to Vegas" by Tim Gautreaux. I read
8 answers
asked by
Hannah
1,189 views
A researcher is testing a null hypothesis that states: H: ì = 50. A sample of 25 scores is selected and the mean is M =
1 answer
asked by
kesha
1,187 views
How do you balance the equation NH3 + CuO > Cu + H2O + N2
2 answers
asked by
Trish
1,169 views
Find the rms speed of H2O molecules in atmospheric water vapor at a temperature of 13.2° C.
0 answers
asked by
ECU
1,156 views
i am Prepare a report on what information i found that could impact your future career and how will you use this information?
6 answers
asked by
Denese
1,153 views
The value given below is discrete. use the continuity correction and describe the region of the normal distribution that
0 answers
asked by
Bella
1,135 views
Determine whether each statement is always, sometimes, or never true.
Two cones are similar. A pyramid is similar to a square.
1 answer
asked by
Need Help
1,127 views
. Given the following stocks 4M NaCl, 3M NaOH, 5M HCl
(a) Prepare 200ml of a solution containing 0.5M NaCl and 0.1M (b) Prepare
2 answers
asked by
tom
1,123 views
A) As a wind instrument warms up, the resonant frequencies of the instrument tend to slightly decrease.
B) If the air in a
2 answers
asked by
J
1,120 views
A proton is moving in a circular orbit of radius 11.8 cm in a uniform magnetic field of magnitude 0.232 T directed perpendicular
2 answers
asked by
cr
1,118 views
Estimate the aqueous solubility, in milligrams per liter, of AgBr(s) at 160degrees celsius.
1 answer
asked by
9037
1,100 views
A gallon of paint costs $20 and covers 465 square feet. Three coats of paint are recommended for even coverage. The room to be
1 answer
asked by
Need Help
1,084 views
The function H described by H(x)= 2.75x+71.48 can be used to predict the height in centemeters, of a woman whose humerus(the
1 answer
asked by
deb
1,077 views
An electron is accelerated by a 6.4 kV potential difference. The charge on an electron is 1.60218 × 10^−19 C and its mass is
3 answers
asked by
cr
1,065 views
Compare the Freedom Charter with the United States Constitution. What rights and guarantees does the Charter call for that are
1 answer
asked by
michael
1,055 views
Which of the fllowing is CORRECT?
A. She sings bad. B. He runs a well race. C. They won with a lucky shot. D. all of the above
2 answers
asked by
robin
1,041 views
is this equation is a linear equation [x + 2y -3z / e^2 + In(2) =0.]true or false
1 answer
asked by
Fakaapo. Suetusi
1,031 views
Mary, who is sixteen years old, is four times as old as her brother. How old will Mary be when she is twice as old as her
1 answer
asked by
mm
1,021 views
Benzene (C6H6) is an organic compound that boils at 80.1°C. If 100.0 grams of liquid benzene at 18.5°C is given 16.88 kJ of
0 answers
asked by
Laura
1,013 views
A child in a boat throws a 5.40 kg package out horizontally with a speed of 10.0 m/s, Fig. 7-31. Calculate the velocity of the
0 answers
asked by
Brittney
1,011 views
Diego pulls a 4.5 kg sled across level snow with a force, F, of 200 N on a rope that is 35.0° above the horizontal, as shown in
2 answers
asked by
Lisa
1,003 views
A driver measures her "cold" tire gauge pressure to be 1.95 105 Pa. The measurement is made before driving, when the tires are
0 answers
asked by
ECU
1,001 views
A 30 kg. balloon is filled with 100 m to the third power of helium. how much force is needed to hold it down?
2 answers
asked by
DMITRIC
990 views
Six-, seven-, and eight-year-olds
A. do a great deal of tattling and boasting. B. make lasting friendships. C. are seldom
5 answers
asked by
brandy
983 views
Oxides of nitrogen are produced in high-temperature combustion processes. The essential reaction is:
N2(g)+O2(g)--->2NO(g) At
0 answers
asked by
Krutika
974 views
One of the most important factors in a caregiver's ability to provide quality care is
A. good business sense. B. patience. C.
1 answer
asked by
brandy
970 views
What mass (in grams) of steam at 100°C must be mixed with 341 g of ice at its melting point, in a thermally insulated
1 answer
asked by
tim
960 views
Observational records that contain significant detailed information are usually in what form?
A. Checklist B. Narrative C.
2 answers
asked by
brandy
918 views
Name two other factors besides latitude that influence japans climate?
and what major ocean currents affect japan
4 answers
asked by
Erika
908 views
Consider the parameterization of the unit circle given by x=cos(4t^2−t), y=sin(4t^2−t) for t in (−InF, INF). Describe in
0 answers
asked by
Catherine
902 views
A particle moves with its position given by x=cos(2t) and y=sin(t), where positions are given in feet from the origin and time t
1 answer
asked by
Catherine
895 views
Determine the pH of 263 ml of solution which has [NH 4I] = 0.300 M. Kb = 1.74 × 10-5 for NH3(aq)
2 answers
asked by
Cait
880 views
. List one external factor that you feel has a powerful influence on your company's HRM function and explain why.
0 answers
asked by
Anonymous
878 views
How do u say hello in German and Italian?????????????????????????????????????????????????????
7 answers
asked by
Lilllly
874 views
Consider the parameterization of the unit circle given by x=cos(4t^2−t), y=sin(4t^2−t) for t in (−InF, INF). Describe in
1 answer
asked by
Catherine
872 views
In how many ways can a committee of five people be selected from seven women and nine men if at least one woman must be in the
2 answers
asked by
Fakaapo. Suetusi
869 views
My teacher gave us a sonnet and he said that we have to do an oral presentation that faithfully interprets the meaning of the
5 answers
asked by
Allison
863 views
You observe someone pulling a block of mass 48 kg across a low-friction surface. While they pull a distance of 3.0 m in the
0 answers
asked by
Amelie
857 views
How to simplify
the square root of 45 plus 4 square root 5
1 answer
asked by
Suzanne
853 views
Triangle ABC has vertices A(-3,2) B(4.5) AND C(4,-1) Fin out wether the triangle is isosceles?
2 answers
asked by
Teresa
852 views
related rates: the base of a pyramid-shaped tank is a square with sides of length 12 meters, and the vertex pyramid is 13 meters
1 answer
asked by
Raven
852 views
NO2(g) → 1⁄2N2(g) + O2(g) ΔH1 = -33.9 kJ
NO2(g) → NO(g) + 1⁄2O2(g) ΔH2 = 56.5 kJ What is ΔH for the reaction
0 answers
asked by
Monty
852 views
2. Rachel's parents enrolled her in your after-school program in September. In October, Rachel and another girl named Callye
1 answer
asked by
brandy
850 views
what element does ammonia replenish in the soil?
2 answers
asked by
rukhsar
849 views
a concrete area measures 20ft on each side. the concrete slab will be 8 inches deep. how many cubic feet of concrete will be
2 answers
asked by
Caroline
834 views
A Science instrutor assigns his student one second of home work..the first week of school,two seconds. the second week four
3 answers
asked by
MIKE
827 views
While watching ocean waves at the dock of the bay, Otis notices that 13 waves pass beneath him in 32 seconds. He also notices
0 answers
asked by
anna
813 views
Fill in the blanks:
For all sets A and B, if A is in the set of B, then A union B in in the set of B. Proof: Suppose A and B are
1 answer
asked by
heidi
810 views
The average rate at which energy is conducted outward through the ground surface in a certain region is 51.6 mW/m2, and the
2 answers
asked by
tim
802 views
Explain how The Federalist Papers would have been more or less successful if newspapers had been printed monthly (rather than
3 answers
asked by
cw
802 views
Children develop to their potential when caregivers have
A. realistic expectations. B. strong values. C. a philosophy. D.
1 answer
asked by
brandy
795 views
a DC-10 aircraft is flying at an altitude where the atmospheric pressure is 40% of sea level pressure. if the aircraft interior
3 answers
asked by
IVLIVS
792 views
An air compressor is a device that pumps air particles into a tank. A particular air compressor adds air particles to its tank
1 answer
asked by
ann
787 views
related rates: the base of a pyramid-shaped tank is a square with sides of length 12 meters, and the vertex pyramid is 13 meters
0 answers
asked by
Raven
783 views
A heavy conductor (mass m, length `, resistance R) is suspended by two springs each with spring constant k, and connected to a
1 answer
asked by
cr
781 views
Hey All, Please rate my GMAT essay out of 6.
The topic is “Of all the manifestations of power, restraint in the use of that
3 answers
asked by
Steven
778 views
Jack London's Law of Life
What is the "law of life"? How does it relates to naturalism?
1 answer
asked by
Misty
777 views
hey sorry i can't find the question iu poseted earlier so i'm going to ask again....it's about macbeth act3.... how did the
3 answers
asked by
Mark J.
775 views
While working at The Nut House you are asked to make a mixture of raisins and nuts worth $2.75/lb. You have 12 pounds of raisins
2 answers
asked by
Loretta
770 views
How do you find the base and height of the parallelogram if the area is 180 square units?
2 answers
asked by
Need Help
768 views
jerry is 6 more than 3 times as old as his son.together they are 46 yrs old. how old is jerry. ans -36
I set up problem 6+3x=46
7 answers
asked by
Caroline
756 views
When preparing an environment for school-aged children, the caregiver should ensure that the
A. environment resembles their
4 answers
asked by
ann
752 views
Ok, I figured this out (I think) but can you please check?
Don't worry. I can carry the tent all by myself because it is so
3 answers
asked by
Catherine
740 views
1- A SQL statement is needed to create a stored procedure that has one input parameter of data type int. The stored proc selects
4 answers
asked by
Robert
731 views
The Crab pulsar (m=2.00x10^30 kg) is a neutron star located in the Crab Nebula. The rotation rate of the Crab pulsar is
1 answer
asked by
Abigail
727 views
some study guide questions i am stumped on
1 uncertainty about the future is likely to a increase current spending b either
0 answers
asked by
samuel
725 views
A proton is moving in a circular orbit of radius 11.8 cm in a uniform magnetic field of magnitude 0.232 T directed perpendicular
1 answer
asked by
cr
725 views
An electron is accelerated by a 6.4 kV potential difference. The charge on an electron is 1.60218 × 10^−19 C and its mass is
2 answers
asked by
cr
724 views
1. Find the are between the curves y=e^x and y=4-x^2 graphically.
a.) set up the integral b.) include bounds rounded to three
1 answer
asked by
Amy
716 views
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