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Questions Asked on November 8, 2009

Find the variance for the given data. Round your answer to one more decimal place than the original data.{8.5, 4.5, 8.8, 6.9,
1. 7 answers
2. asked by Anonymous
3. 9,037 views
The Moon orbits Earth every 27.3 days. Determine the angular velocity of the Moon, in degrees per day and in radians per day.The
1. 4 answers
2. asked by Anonymous
3. 6,334 views
A violin string has a standard length of 32.8 cm. It sounds the musical note A (440Hz) when played without fingering.How far
1. 2 answers
2. asked by K.
3. 5,927 views
skin cells seem to fit together like pieces of a jigsaw puzzle how is this arrangement of cells helpful to an organism?
1. 1 answer
2. asked by josh
3. 4,235 views
Prove thatcscx / cosx = tanx + cotx
1. 1 answer
2. asked by ariza
3. 3,856 views
R for run on sentence, CS for comma splice, F for fragment, and C for correct sentence. Some correct sentences can be punctuated
1. 2 answers
2. asked by Jess
3. 3,711 views
A Doppler blood flow meter emits ultrasound at a frequency of 5.0 MHz. What is the beat frequency between the emitted waves and
1. 4 answers
2. asked by N.
3. 3,665 views
Piano tuners tune pianos by listening to the beats between the harmonics of two different strings. When properly tuned, the note
1. 4 answers
2. asked by AP
3. 3,084 views
A firm is assigned the network part 128.171. It selects an 10-bit subnet part. a) Draw the bits for the four octets of the IP
1. 4 answers
2. asked by rocky
3. 2,952 views
A 2.2 m-long string is fixed at both ends and tightened until the wave speed is 50 m/s. What is the frequency of the standing
1. 2 answers
2. asked by Danny
3. 2,923 views
You row a boat, perpendicular to the shore of a river that flows at 3.0 m/s. The velocity of your boat is 4.0 m/s relative to
1. 2 answers
2. asked by Angel
3. 2,733 views
Which one of the following is NOT a Lewis acid-base reaction?1. ) Ca + S --> Ca2+ + S2- 2. ) BeF2 + 2 F- --> BeF42- 3. ) H+ +
1. 1 answer
2. asked by Jacob
3. 2,626 views
A fan at a rock concert is 30 m from the edge of the stage. The sound intensity level at the edge of the stage is 110 dB. The
1. 3 answers
2. asked by Jimmy
3. 2,590 views
P/|\ / | \ / | \ on this side there is an / | \ arc with A(θ) in the / | \ middle. the B(θ) /θ | B(θ)\ triangle is not equal
1. 1 answer
2. asked by Reen
3. 2,569 views
When hydrochloric acid reacts with magnesium metal, hydrogen gas and aqueous magnesium chloride are produced. What volume of 5.0
1. 2 answers
2. asked by Angel
3. 2,119 views
Prove that:2sinxsiny = cos(x-y) - cos(x+y)
1. 3 answers
2. asked by -
3. 1,928 views
The table below provides a frequency distribution for the winner of the Davis Cup during the period 1977-1994.Winner of Davis
1. 3 answers
2. asked by Anonymous
3. 1,879 views
A common inhabitant of human intestines is the bacterium Escherichia coli. A cell of this bacterium in a nutrient-broth medium
1. 3 answers
2. asked by Joe
3. 1,833 views
A 1.5 kg block is connected by a rope across a 50-cm-diameter, 2.0 kg, frictionless pulley. A constant 10 N tension is applied
1. 3 answers
2. asked by Sandhu
3. 1,799 views
Show thatsinx = (square root of) 1 - cos^2x is not an identity
1. 1 answer
2. asked by Anonymous
3. 1,734 views
The back wall of an auditorium is 29.0 m from the stage. If you are seated in the middle row, how much time elapses between a
1. 4 answers
2. asked by Jimmy
3. 1,624 views
Which pair of molecules has the strongest dipole-dipole interactions?a- CO2 and CO2 b- CO2 and CH4 c- NH3 and NH3 d- NH3 and CH4
1. 1 answer
2. asked by Casey
3. 1,586 views
What follows a linking or action verb?
1. 1 answer
2. asked by Cherbrena
3. 1,460 views
The value of a car decreases at a constant rate as it grows older. When the car is 2 years old, it is worth $23,000. When the
1. 2 answers
2. asked by sophia
3. 1,411 views
A wave pulse travels along a string at a speed of 160cm/s. Note that part a is independent and refer to changes made to the
1. 1 answer
2. asked by Arooj
3. 1,394 views
A child has an ear canal that is 1.3cm long. At what sound frequencies in the audible range will the child have increased
1. 4 answers
2. asked by A,
3. 1,344 views
A fence 4 feet tall runs parallel to a tall building at a distance of 5 feet from the building.What is the length of the
1. 1 answer
2. asked by zama
3. 1,320 views
Wally kept track of last week’s money transactions. Hissalary was $150 plus $54 in overtime and $260 in tips. His
1. 3 answers
2. asked by brina
3. 1,284 views
What acid and what strong base would react in aqueous solution to produce the following salts in the formula equation? Write the
1. 2 answers
2. asked by Angel
3. 1,207 views
A gaseous mixture of O2 and N2 contains 35.8% nitrogen by mass. What is the partial pressure of oxygen in the mixture if the
1. 2 answers
2. asked by Chrissie
3. 1,196 views
A gaseous mixture of and contains 35.8 nitrogen by mass. What is the partial pressure of oxygen in the mixture if the total
1. 2 answers
2. asked by Chrissie
3. 1,193 views
BLIND BATS AT HALLOWEENThere were number of bats in a cave. Two bats can see out of right eye, Three bats can see out of left
1. 2 answers
2. asked by Tina
3. 1,188 views
The redox reaction below occurs in acidic solution. Balance it with the smallest whole number coefficients and determine the
1. 2 answers
2. asked by John
3. 1,147 views
Describe the change in duration of insolation from the Equator to the North PoleA) In the winter b) In the summer c) on the
1. 0 answers
2. asked by Nadine
3. 1,131 views
The circumference of a sphere was measured to be 74.000 cm with a possible error of 0.50000 cm. Use linear approximation to
1. 1 answer
2. asked by Salman
3. 1,119 views
Pleae help! A uniform 2m long plank is supported at each end by ropes. The plank has a mass of 300grams and a 1 kg weight is
1. 1 answer
2. asked by Inascent
3. 1,104 views
A whistle you use to call your hunting dog has a frequency of 24 kHz, but your dog is ignoring it. You suspect the whistle may
1. 2 answers
2. asked by AP
3. 1,099 views
Why was the Bill of Rights added to the Constitution?
1. 0 answers
2. asked by Melea
3. 1,092 views
The following redox reaction occurs in basic aqueous solution. When balanced with the smallest whole number coefficients, what
1. 2 answers
2. asked by edward
3. 1,047 views
What's wrong with the following sentence?He was in trouble for acting like a tomfoolery.
1. 1 answer
2. asked by Bart
3. 1,043 views
What is formed at the anode and cathode when the following solutions are electrolysed?sodium iodide copper II chloride sodium
1. 1 answer
2. asked by Nabiha
3. 1,014 views
Marcella and Rupert bought party stuff. Marcella bought 3 packs of ballooons and 4 packs of favors for a total of $14.63. Rupert
1. 1 answer
2. asked by Melissa
3. 1,013 views
Airline work:Topic: Philippines 1. Does Philippine Airlines check your ticket before take off or when your in the sky? (there is
1. 2 answers
2. asked by garrick
3. 997 views
A 150 kg crate, starting from rest, is pulled across a floor with a constant horizontal force of 420 N. For the first 21 m the
1. 2 answers
2. asked by Anonymous
3. 984 views
What is the decision facing amazon (the website) and what factors are important in understanding this decision situation?
1. 0 answers
2. asked by Rasheen
3. 957 views
A wholesaler mixed coffee beans worth $6/kg with another kind worth $8.80/kg. The 16kg mixture was worth $6.70/kg. How many
1. 3 answers
2. asked by Joe
3. 949 views
A ball is thrown from the top of a building upward at an angle of 66 ◦ to the horizontal and with an initial speed of 16 m/s.
1. 1 answer
2. asked by Anonymous
3. 948 views
After the election of 1828 why did people consider andrew jackon "the rise of the common man"? I have searched put I cant find
1. 2 answers
2. asked by Carla
3. 939 views
An airplane traveling 1001 m above the ocean at 125 km/h is going to drop a box of supplies to shipwrecked victims above.a. How
1. 1 answer
2. asked by Angel
3. 890 views
How many grams of ice at -20.1C can be completely converted to liquid at 9.9C if the available heat for this process is
1. 1 answer
2. asked by Wessells
3. 883 views
Can anyone tell me if I answered this correctly? Please help.2. Assignment: Erikson’s Timeline • Write a 350- to 700-word
1. 3 answers
2. asked by Aaliyah
3. 867 views
write a spelling word that fits each clue4.a furnace could provide this.
1. 2 answers
2. asked by Mya
3. 856 views
Can you please explain to me what this means. This is what I think that it means. Jackson did not agree with states having any
1. 3 answers
2. asked by Carla
3. 832 views
What could I write in an editirial from 1773 about the Tea Act and the Boston Tea Party?
1. 11 answers
2. asked by mic
3. 819 views
Use linear approximation, i.e. the tangent line, to approximate sqrt[3] { 8.4 } as follows:Let f(x) = sqrt[3] x. The equation of
1. 0 answers
2. asked by Ben
3. 796 views
4. Script for orienting new employeeso You may use the following opening sentence to start your script: “We, in HR, feel that
1. 3 answers
2. asked by scooby
3. 791 views
a nutrition center sells two types of health foods to mountain-climbing teams, Trailblazer Mix and Frontier Mix. Each package of
1. 0 answers
2. asked by zbag
3. 777 views
1. Is Eminem a male name or a femalee name?How do you pronounce "Eminem." 2. When you give birth to the baby, you will feel
1. 2 answers
2. asked by rfvv
3. 763 views
how each new medium affected news content and delivery, including how people engaged with news and how the media that preceded
1. 3 answers
2. asked by serena
3. 752 views
Show that tanx= (sinx/ cosx)can be written as: tan(x-y) = (tanx - tany) / (1+ tanxtany)
1. 1 answer
2. asked by -
3. 737 views
The back wall of an auditorium is 29.0 m from the stage. If you are seated in the middle row, how much time elapses between a
1. 2 answers
2. asked by Jimmy
3. 733 views
of 50 students, 40 are in the football team and 30are in the cricket team. how many are in both if six do not play either.
1. 1 answer
2. asked by rowanna
3. 727 views
Of the problems experienced by the Confederation Congress, which do you think was the most harmful? why?
1. 2 answers
2. asked by Michaela
3. 702 views
Suppose f(x)= e^(-1/x). Graph this function in the window -5(</=)x(</=)5 and 0(</=)y(</=)10. Find the tangent line to y = f(x)
1. 0 answers
2. asked by George
3. 696 views
A particle is released on the smooth inside wall of a cylindrical tank at A with a velocity v which makes an angle beta with the
1. 0 answers
2. asked by Jessi
3. 672 views
1. use a commutative law to find an equivlant expression f+sr? sr+f?2. determine which real number corresponds to the situation.
1. 0 answers
2. asked by Nashea
3. 671 views
I don't understand how to answer this questions. I thought molecular weight was adding up the atomic weight of each element in a
1. 1 answer
2. asked by Holly Y.
3. 670 views
Compare the angle of refraction with the angle of incidence for all angle of incidences greatter than 0 degrees. what
1. 0 answers
2. asked by James
3. 668 views
By what percentage does the average price increase from 1994 to 1995? Obtain a truncated version of the graph by sliding a piece
1. 4 answers
2. asked by Anonymous
3. 665 views
I have to write a speech and record it on a tape.Pet Peeve Speec You will create a "Pet Peeve" Speech. A "Pet Peeve" is one of
1. 3 answers
2. asked by y912f
3. 659 views
A 72 kg bungee jumper jumps from a bridge. She is tied to a bungee cord whose unstretched length is 13 m, and falls a total of
1. 1 answer
2. asked by Anonymous
3. 653 views
what is the lewis structure for CH3?
1. 1 answer
2. asked by Anonymous
3. 652 views
Show that tanx = sinx / cosxcan be written as tan(x+y) = (tanx + tany) / (1 - tanxtany)
1. 1 answer
2. asked by -
3. 648 views
How is the rate of adjusted when using a sand bath as a heat source?
1. 1 answer
2. asked by Nicole
3. 644 views
What are the three longest wavelengths for standing sound waves in a 124-cm-long tube that is (a) open at both ends and (b) open
1. 6 answers
2. asked by SB
3. 642 views
ok, now that i have my pet peeve, i have to fill out this sheet.(please read my earlier post for more info on the assignment)
1. 2 answers
2. asked by y912f
3. 641 views
How did the two compromises reached during the Constitutional Convention satisfy competing groups?
1. 0 answers
2. asked by Michaela
3. 636 views
I'm going to New York City for a school trip next April. Do you think that when you're in NYC, you'll hear the songs, "Empire
1. 1 answer
2. asked by AL 87
3. 636 views
Is the reaction involved in dissolving ammonium chloride in water an endothermic reaction or exothermic reaction? Why?I am
1. 1 answer
2. asked by Anonymous
3. 632 views
The manufacturer of a propeller for a small aircraft mandates a maximum operating angular velocity of 300 rad/s. Determine
1. 0 answers
2. asked by -
3. 627 views
solve each inequality algebraically and give the answer by using interval notation.5-9y <_ (less than or equal to) 19-2y I got
1. 1 answer
2. asked by Chad
3. 624 views
I had to write an essay analyzing a short story. I wrote about The Birds:Daphne du Maurier’s short story The Birds is a story
1. 2 answers
2. asked by mysterychicken
3. 624 views
What are the three longest wavelengths for standing sound waves in a 124-cm-long tube that is (a) open at both ends and (b) open
1. 0 answers
2. asked by Barry
3. 623 views
Why is Babylon Revisited called that if it takes place in Paris?
1. 4 answers
2. asked by Jake
3. 621 views
a train left podunk and traveled west 70 km/h. two hours later, another train left podunk and traveled east at 90km/h. how many
1. 1 answer
2. asked by Kiki
3. 620 views
At room temperature (25 degrees C) butane is a mixture of 72% anti and 28% gauche conformations. Calculate the difference in
1. 0 answers
2. asked by Alice
3. 618 views
f(x)=2x+8x^-1.For this function there are four important intervals: (-infinity,A],[A,B),(B,C), and [C,infinity) where A,B and C
1. 1 answer
2. asked by zama
3. 614 views
Suppose a license plate contains four digits.The probability of a license plate having an even or odd digit is the same.What is
1. 1 answer
2. asked by melrose
3. 612 views
Help with my Payroll Accounting Final Project. Class AC122-05. Please. I am so lost.
1. 1 answer
2. asked by Brittany
3. 612 views
R for run on sentence, CS for comma splice, F for fragment, and C for correct sentence. Some correct sentences can be punctuated
1. 2 answers
2. asked by Jess
3. 611 views
Could some please tell me if I did these problems correctly? (I know that I did not Cancel common aqueous ions yet)Question:
1. 3 answers
2. asked by Dan
3. 610 views
solve a perfect square trinomial equation.(4x+1)(x+4)=49
1. 1 answer
2. asked by emms
3. 604 views
were there any weaknesses in the Constitution? Explain.
1. 1 answer
2. asked by Michaela
3. 600 views
sodium iodidecopper II chloride sodium sulphate NaOH HCl magnesium nitrate also is this true: if the metal in the compound is
1. 1 answer
2. asked by Nabiha
3. 597 views
if f(x)=(x^2)(e^x) prove by induction that the nth derivative is (x^2 +2nx +n(n-1)(e^x)thanks
1. 1 answer
2. asked by claire
3. 591 views
How do i find the points of inflection for: f(x)= (1/12)x^4 -2x^2 +15The answers are (2, 25/3) and (-2, 25/3) but i don't know
1. 1 answer
2. asked by math
3. 575 views
I am doing a essay and am haivng a hard time finding in goggle search just when computerized pharmacy came about. Any Idea were
1. 2 answers
2. asked by april
3. 570 views
What is formed at the anode and cathode when the following solutions are electrolysed?sodium iodide copper II chloride sodium
1. 1 answer
2. asked by Nabiha
3. 568 views
How to set up a short-term health goal.
1. 1 answer
2. asked by TOM
3. 565 views
a mathematically defined curve that is the comparison distribution used n ANOVA is called the?
1. 0 answers
2. asked by k
3. 565 views

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