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Questions Asked on February 12, 2013

Which of these solutions is the most basic?[H+] = 1 x 10^–2 M [OH–] = 1 x 10^–4 M [H+] = 1 x 10^–11 M [OH–] = 1 x
1. 4 answers
2. asked by Cassie
3. 9,000 views
Consider the given function and the given interval.f(x) = 4 sin x − 2 sin 2x, [0, π] (a) Find the average value fave of f on
1. 1 answer
2. asked by James
3. 8,763 views
what is the 10th term of the sequence 81,27,9 can someone please explain the steps.possible answers; 1/729 1/243 1/81 1/810
1. 2 answers
2. asked by ciara
3. 8,166 views
How did President Jackson respond to the Supreme Court's ruling in Worcester v. Georgia that Georgia had no right to interfere
1. 14 answers
2. asked by Cassie
3. 7,348 views
How many mole are present in 2.45x10^23 molecules of CH4? ( CH4= 16.05)
1. 5 answers
2. asked by Mike
3. 6,038 views
Which type of angle do construction workers use when building to make sure that the walls and floors of a building are
1. 25 answers
2. asked by Bell
3. 5,520 views
If 15 baseballs weigh 75 ounces, how many baseballs weigh 15 ounces?
1. 14 answers
2. asked by Wyatt
3. 4,750 views
In right angled triangle ABC angle B=90 degreeand AB= root 34 unit. The coordinates of point B and Care (4,2)and (-1,y)
1. 4 answers
2. asked by Anonymous
3. 4,238 views
1.What was the significance of the Twelve Tables?The Twelve Tables were significant because they were an early example of
1. 1 answer
2. asked by Unknown
3. 4,000 views
A bowling ball is a solid ball with a spherical surface and diameter 30 cm. To custom fit a bowling ball for each bowler, three
1. 3 answers
2. asked by Knights
3. 3,867 views
Acetic acid ionizes in water as follows:CH3COOH + H2O CH3COO– + H3O+ Fewer than 1% of ethanoic acid molecules are ionized at
1. 5 answers
2. asked by Cassie
3. 3,738 views
I have 3 questions I need help with.1) what is the 15th term of the sequence 81,27,9,... 2) what is a possible value for the
1. 3 answers
2. asked by lee
3. 3,637 views
Robin bought a computer for $1,250. It will depreciate, or decrease in value, by 10% each year that she owns it.a) Is the
1. 2 answers
2. asked by lee
3. 3,289 views
In a household radiator, 1000 g of steam at 100 C condenses. How much heat is released?
1. 1 answer
2. asked by G
3. 3,285 views
Naphthalene combustion can be used to calibrate the heat capacity of a bomb calorimeter. The heat of combustion of naphthalene
1. 1 answer
2. asked by John
3. 3,248 views
Before the 1500s, who and what were the final authorities with regard to most knowledge?The church and it's leaders, the bible,
1. 1 answer
2. asked by Unknown
3. 3,245 views
From a point A is 8.20 meters above level ground,the angle of elevation of the top of a building is 31degrees 20 min and the
1. 1 answer
2. asked by john
3. 2,816 views
A substance of Ka of 1 x 10^–5 would be classified as a ____.A.strong acid B.weak acid C.strong base D.weak base I think it is
1. 2 answers
2. asked by Cassie
3. 2,790 views
Where are the functions f1(x)=|sin(x)| and f2(x) = sin(|x|) differentiable? Use n as an arbitrary integer constant.)f1(x) =
1. 1 answer
2. asked by Selma
3. 2,790 views
how many $5 bills are in $2000
1. 2 answers
2. asked by kisha
3. 2,756 views
The sides of the triangle at right are formed by the graphs of 3x+ 2y = 1, y = x − 2, and −4x+ 9y = 22. Is the triangle
1. 2 answers
2. asked by Mark
3. 2,726 views
the hawks won 7 games lost 6 games and tied 2 games what percent of all the games did they win.
1. 3 answers
2. asked by rachel
3. 2,688 views
What volume of 0.1 M NaOH is required to neutralize 30 mL of 0.1 M HCl?
1. 1 answer
2. asked by Anonymous
3. 2,583 views
The volume of gas varies directly with temperature and inversely with pressure. Volume is 100 m^3 when temperature is 1508
1. 1 answer
2. asked by ciara
3. 2,464 views
As a hot-air balloon rises vertically, its angle of elevation from a point P on level ground d = 140 kilometers from the point Q
1. 1 answer
2. asked by soul pancake
3. 2,459 views
How many grams of ethylene glycol (C2H6O2) per kilogram of water are needed to give protection up to 120 °C in a car radiator?
1. 3 answers
2. asked by jenny
3. 2,368 views
Which of the following statements about emission spectra is correct?All the lines are evenly spaced. All noble gases have the
1. 2 answers
2. asked by physics student
3. 2,246 views
If sec(x+y),sec(x),sec(x-y) are in A.P. then prove that cosx= +-√2 cos y/2 where cosx and cosy are not equals to 1,
1. 2 answers
2. asked by Kinjal
3. 2,214 views
Find the maximum height of a ball thrown upward from the top of a 640 ft tall building with an initial velocity of 128 ft/s
1. 2 answers
2. asked by Millie
3. 2,143 views
Select the expression that is equivalent to -4(x-3)a) -4x-3 b) -4x+3 c) -4x-12 d) -4x+12
1. 4 answers
2. asked by monet
3. 2,140 views
Number Sense Fabio said that there are 3 times as many people on a basketball team as on a tennis team. Is he correct? Explain
1. 7 answers
2. asked by Samantha
3. 2,125 views
How much heat is necessary to change a 52.0 g sample of water at 33.0 C into steam at 110.0 C?
1. 1 answer
2. asked by E
3. 2,083 views
Cecily is swinging. The swing goes back and forth twice every five seconds. How many seconds does it take her to go back and
1. 6 answers
2. asked by Anonymous
3. 2,070 views
Jenna lives 4 3/10 miles from school, she estimates that she travels 4 x2x5 or 40 miles each week. Is her estimate an over
1. 8 answers
2. asked by Jared
3. 1,966 views
If the hydrogen ion concentration of a solution if 10^–10M, is the solution acidic, alkaline, or neutral?A.acidic B.alkaline
1. 3 answers
2. asked by Cassie
3. 1,903 views
A base has a Kb of 2.5 x 10–11. Which of the following statements is true?A.This is a concentrated base. B.This base ionizes
1. 2 answers
2. asked by Cassie
3. 1,850 views
two point charges are located on the y axis as follows :charge q1 = -1.50nc at y= -0.600m, and charge q2 = +3.2nc at the origin
1. 2 answers
2. asked by yanis
3. 1,822 views
The angle of elevation of the sun at 10:00 a.m. is 29 degree. At this point, a tree shadow's is 32 feet long. How tall is the
1. 2 answers
2. asked by Anonymous
3. 1,811 views
Acetic acid ionizes in water as follows:CH3COOH + H2O --> CH3COO– + H3O+ <-- Fewer than 1% of ethanoic acid molecules are
1. 2 answers
2. asked by Cassie
3. 1,765 views
In a class of 33, 5/11 were boys.how many girls?
1. 6 answers
2. asked by Siphosethu
3. 1,750 views
I have been trying to figure this out for day's please help if you can.A survey of 59 customers was taken at a book store
1. 1 answer
2. asked by Carol
3. 1,714 views
THE VOLUME OF A CONE IS 20 PI CUBIC METERS. WHAT IS THE VOLUME OF A CYLINDER HAVING THE SAME BASE AND SAME HEIGHT?
1. 4 answers
2. asked by ravi butthole
3. 1,670 views
Of 47 plays attributed to a playwright 17 are comedies, 18 are tragedies, 12 are histories. If one play is selected random find
1. 1 answer
2. asked by Carol
3. 1,655 views
two point charges are placed on the x axis as follows:charge q1 +4.00nc is located at x = 0.200m, and charge q2 = +5.00nc is at
1. 2 answers
2. asked by yanis
3. 1,620 views
translate th phase into an alegbraic expression 13 more than twice Gregs savings use the variable g to represent greg saving
1. 3 answers
2. asked by Anonymous
3. 1,589 views
using the substitution p=1/x, q=1/y, solve simultaneous equations1/x-5/y=y 2/x+1/y=s please could show all working
1. 2 answers
2. asked by favs
3. 1,576 views
Put the following products in order from least to greatest without multiplying5x 3/4 4 1/4x 3/4 1/2x 3/4 3/3x 3/4
1. 4 answers
2. asked by mom
3. 1,560 views
The angle of depression from the top of a lighthouse to a boat in the water is 30°. If the lighthouse is 89 feet tall how far
1. 1 answer
2. asked by erika
3. 1,538 views
a student dissolves 80 mg of a crude product in 4.5 mL( the minimum required) of methanol at 25 deg C . She cools the solution
1. 3 answers
2. asked by sara
3. 1,481 views
If 100 grams of KClO3 are heated to form KCl and O2 according to the equationKClO3 �¨ KCl + O2 (Hint: You need to balance the
1. 2 answers
2. asked by Allison
3. 1,466 views
Design a solution that requests and receives student names and an exam score for each.The program should continue to accept
1. 1 answer
2. asked by Anonymous
3. 1,412 views
1. Alcoa stock traded at $70 per share. Pete and his partner Al decided to sell 100 shares for a total of $7,000. The stock was
1. 1 answer
2. asked by Anonymous
3. 1,407 views
A population has a mean =80 and a standard deviation =8. find the mean and standard deviation of a sampling distribution of
1. 1 answer
2. asked by antorio
3. 1,391 views
A truck traveling at an average rate of 45 miles per hour leaves a rest stop. Fifteen minutes later a car traveling at an
1. 1 answer
2. asked by nick
3. 1,380 views
The wavelength of the electromagnetic waves is 200 nm. Which of following regions does it belong to?visible light region ultra
1. 2 answers
2. asked by help?
3. 1,366 views
I'm really stuck with this one. Here's the rate law and the data that is needed. I appreciate any helpRate=
1. 2 answers
2. asked by Amy
3. 1,359 views
what is the frequency of a citizen's band (CB) radio which has a wavelength of 11.5 meters ?
1. 1 answer
2. asked by Ayawari Promise +2347068654055
3. 1,358 views
Last week, Laurie Golson packaged 289 boxes Holiday Cheese Assortment. Find her gross weekly earnings if she is paid at the
1. 2 answers
2. asked by tmouery
3. 1,355 views
Who was the founder of the Psychoanalytic paradigm? Freud or Kraepelin?
1. 5 answers
2. asked by Amy
3. 1,347 views
How do you expand ln15x?thanks :)
1. 1 answer
2. asked by Allyson
3. 1,347 views
At its normal operating speed, an electric fan motor draws only 10.9% of the current it draws when it just begins to turn the
1. 1 answer
2. asked by HELP !!!!
3. 1,342 views
A block of mass m1 = 3.2 kg rests on a frictionless horizontal surface. A second block of mass m2 = 1.9 kg hangs from an ideal
1. 0 answers
2. asked by tsubasa
3. 1,328 views
If 10-kg of ice at 0 degrees Celsius is added to 2-kg of steam at 100 degrees Celsius, the temperature of the resulting mixture
1. 0 answers
2. asked by Max
3. 1,304 views
four consecutive multiples of 13 add up to 286. what is the largest number?
1. 1 answer
2. asked by Anonymous
3. 1,304 views
The period of the earth around the sun is1 year and its distance is 150 million km from the sun. An asteroid in a circular orbit
1. 1 answer
2. asked by Chelsea
3. 1,304 views
1. Scientists hypothesize that the sun formed ____. (1 point)less than a billion years ago from a cloud of gas and dust less
1. 5 answers
2. asked by jessie
3. 1,288 views
how can you use a pattern to find 2,100 divided by 3? what is the quotient
1. 6 answers
2. asked by kisha
3. 1,279 views
Solve for x.x − 8y + 8 = 0
1. 1 answer
2. asked by LaShawn
3. 1,267 views
jenna lives 4 3/10 miles from school. She estimates that she travels 4x2x5 or 40 miles each week. Is her estimate an
1. 4 answers
2. asked by Judy
3. 1,265 views
The angle iron pictured here is made of steel with a density of 7.78g/cm^3. (Figure 1)measurements are: 12.78cm 10.26cm 1.35cm
1. 3 answers
2. asked by Lisa
3. 1,261 views
on map 1inch=25 miles.you measure the distance between two cities on the map and the distance to be 5 1/2 inches.find the number
1. 1 answer
2. asked by Anonymous
3. 1,240 views
Solve for x in the equation ln(16-12x)-2lnx)= ln4
1. 1 answer
2. asked by Emily
3. 1,225 views
ABC- with angles AB, and C and sides AB,BC, and AC, angle B is right 90degree angle, if sin of angle A is 0.5, side BC 8in.,
1. 1 answer
2. asked by maranade
3. 1,213 views
The hydrogen gas collected also contains some water vapor. The pressure of this mixture of gases equals the room pressure. find
1. 1 answer
2. asked by Anonymous
3. 1,201 views
A conductor of length 2m carrying a 1.5A current experiences a force of 2.2 N. What is the magnitude of the magnetic field that
1. 0 answers
2. asked by physics student
3. 1,155 views
For each of the following sentences, write the elliptical clause. Next to it, write out the full adverb clause, adding the
1. 1 answer
2. asked by Victoria
3. 1,154 views
How do you write a system of linear equations in two variables? Explain this in words and by using mathematical notation in an
1. 1 answer
2. asked by taylar
3. 1,153 views
which of the following is a function of DNA1)controlling the production of proteins in the cell 2)breaking down proteins in the
1. 1 answer
2. asked by Freeman
3. 1,151 views
after the treaty of paris how long were the Spanish in charge of FL
1. 1 answer
2. asked by brian kolker
3. 1,146 views
While Americans are largely unfamiliar with the folk tunes of their heritage, why do you think the people of Japan continue to
1. 2 answers
2. asked by justastudent
3. 1,138 views
A survey reported that out of 50 teenagers, 9 said they get their news from a newspaper. At this rate, how many out of 300
1. 3 answers
2. asked by jenn
3. 1,123 views
A wire of cross-sectional area 5.00x10^-6 m^2 has a resistance of 1.75 ohm. what is the resistance of a wire of the same
1. 1 answer
2. asked by Jamie
3. 1,106 views
a planet has a radius of 5950 km and a value of g at the surface of 8 m/s2. If the planet decides to put a satellite into
1. 0 answers
2. asked by limeandmango
3. 1,098 views
Medieval Society AssignmentWhat were three main causes of the need to reform the Church? The three main causes were: • Many
1. 5 answers
2. asked by Unknown
3. 1,096 views
I'm using a source, can you see if this makes sense.. It's just a piece of my report I'm writingAccording to Deisinger, at the
1. 2 answers
2. asked by Blaze
3. 1,096 views
A fifth grade class collected data about class spending per month on various items. Below are some of the results.A median
1. 1 answer
2. asked by kim
3. 1,092 views
What is the adjective in the sentence "The red truck was parked behind the garage"?A. red B. truck C. behind D. parked
1. 5 answers
2. asked by amanda
3. 1,090 views
Which sentence is punctuated correctly?A.Greg’s family adopted a young active puppy. B.Lisa filmed two, dramatic movies this
1. 2 answers
2. asked by Cassie
3. 1,086 views
if i have a book of 30 pages and i want to number each pages what will be the digit for the thirty pages
1. 3 answers
2. asked by joel
3. 1,076 views
For each of the following sentences, write the elliptical clause. Next to it, write out the full adverb clause, adding the
1. 1 answer
2. asked by Victoria
3. 1,074 views
In its first year of operations Tower Ltd purchased and paid for widgets costing $50,000. Duringthat year Tower Ltd sold 60 per
1. 1 answer
2. asked by Anonymous
3. 1,074 views
An airplane is flying 200mph at 50 degrees north of east. Wind velocity is 50mph due south. What is the velocity of the
1. 1 answer
2. asked by Jonas
3. 1,060 views
A proton and an electron enter perpendicular to the direction of the magnetic field. The speed of the proton is twice the speed
1. 3 answers
2. asked by kayla
3. 1,059 views
A child throws a coin vertically downwards from a window of high building with an initial velocity of 15 m/s.Ignore the effect
1. 1 answer
2. asked by tebogo
3. 1,040 views
Most analytic methods are subject to drift. Describe a system which could be used to determine the rate of drift of an analytic
1. 0 answers
2. asked by Maranda
3. 1,037 views
jewelry marked 14 karat gold is 14/24 pure gold. what is the percent
1. 3 answers
2. asked by Joseph
3. 1,034 views
A certain sweepstakes ticket has four categories of prizes with the following probabilities of being won:Prize Probability
1. 1 answer
2. asked by Tina
3. 1,034 views
Three circles, each with a radius of 10, are mutually tangent to each other. The area enclosed by the three circles can be
1. 1 answer
2. asked by chirag
3. 1,027 views
What do you learn from the dialogue between Mr. Frank and Miep at the beginning of Scene 1?A.Miep wants to show Mr. Frank
1. 6 answers
2. asked by Cassie
3. 1,007 views
80g of NaCl are dissolved in 400g H2O. if the vapor pressure of the water is 40 mmHg , what is the vapor pressure of NaCl above
1. 1 answer
2. asked by sheila
3. 1,001 views

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