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2011
October

Questions Asked on October 3, 2011

A ball is thrown straight down from the top of a 220-foot building with an initial velocity of -22 feet per second. What is its
1. 6 answers
2. asked by Susana
3. 21,942 views
A rectangle is bounded by the x-axis and the semicircle y = √36 – x2, as shown in the figure below. Write the area A of the
1. 1 answer
2. asked by Amanda
3. 8,316 views
Assume that a population is normally distributed with a mean of 100 and a standard deviation of 15. Would it be unusual for the
1. 2 answers
2. asked by Jenifer
3. 4,441 views
A triangle and trapezoid share a 15 inch base and a height of 10 inches. For what values of b is the area of the trapezoid less
1. 10 answers
2. asked by Jessica
3. 4,355 views
A farmer with 2000 meters of fencing wants to enclose a rectangular plot that borders on a straight highway. If the farmer does
1. 2 answers
2. asked by lulu
3. 4,341 views
What is the predicate in this sentence?The wiskers on my kitten twitch when I rub its back.
1. 9 answers
2. asked by Isaac
3. 3,683 views
So I think I just might be over thinking these run-on sentences, but I keep second guessing myself and need some help with these
1. 2 answers
2. asked by Anthony.
3. 2,978 views
The radius of a spherical balloon is increasing at a rate of 2 centimeters per minute. How fast is the volume changing when the
1. 1 answer
2. asked by Anonymous
3. 2,838 views
Suppose points A, B, and C have the coordinates given below. Find y such that C is on the perpendicular bisector of segment AB.A
1. 2 answers
2. asked by Dana
3. 2,684 views
a 2.00 m tall basketball player is standing on the floor 10 m from the basket. if she shoots the ball at a 40 degree angle with
1. 1 answer
2. asked by mark
3. 2,567 views
The total number of atoms in 0.111 mol of FeCO3(PH3)2...?
1. 1 answer
2. asked by Linda
3. 2,546 views
Angles BAC and Angle CAD are supplementary angles. Find the measures of each angle if the measure of Angle BAC is 10x + 16 and
1. 1 answer
2. asked by marley
3. 2,512 views
The annual inventory cost C for a manufacturer is C=(1,008,000/Q)+6.3Q where Q is the order size when the inventory is
1. 1 answer
2. asked by Susana
3. 2,453 views
Anthony plans to ride 175 km on his bike and Samanta plans to ride 250km. They both plan to complete their journeys in a whole
1. 6 answers
2. asked by Anonymous
3. 2,108 views
write the equation for the reaction of fecl2 with k3[fe(cn)6]???
1. 1 answer
2. asked by david
3. 2,103 views
A plane weighing 220 kN (25 tons) lands on an aircraft carrier. The plane is moving horizontally at 67 m/s (150 mi/h) when its
1. 1 answer
2. asked by John
3. 2,034 views
A golfer wants to drive a ball a distance of 310 yards. If the 4-‐wood launches the ball at an angle at 15° above the
1. 1 answer
2. asked by Anonymous
3. 1,935 views
Alpha particle tracks through gases and thin metal foils show few deflections. What does this tell us about the atom?
1. 1 answer
2. asked by Martin
3. 1,921 views
What capital city is near the equator and 80 degrees W of longitude? My answer is --- Lima, Peru. Am I right?
1. 3 answers
2. asked by Reed
3. 1,803 views
A crucible containing potassium chlorate has a mass is 24.426 g. The crucible is heated according to the lab procedure for this
1. 2 answers
2. asked by Mohammed
3. 1,714 views
Which of the following would be classified as an informative or positive message?a) A request for information b) An announcement
1. 3 answers
2. asked by Diana
3. 1,618 views
An electron, starting from rest and movingwith a constant acceleration, travels 5.5 cm in 10 ms. What is the magnitude of this
1. 1 answer
2. asked by Anonymous
3. 1,563 views
in a local diner a customer slides an empty coffee cup down the counter for a refill. the cup slides off the counter and strikes
1. 1 answer
2. asked by john
3. 1,498 views
a sample of carbon dioxide gas has a mass of 52.0g. how many oxygen atoms arr present?explainplease don't skip
1. 1 answer
2. asked by anu
3. 1,484 views
The Earth rotates on its own axis once per day (24.0h). What is the tangential speed of the summit of Mt. Kilimanjaro (elevation
1. 1 answer
2. asked by John
3. 1,449 views
How did the British mercantlism prevent the economic development of the colonies?A.) The colonies were process to export their
1. 1 answer
2. asked by Please help
3. 1,438 views
a 10kg wood ball hangs from a 1.1 m long wire. The maximum tension the wire can withstand without breaking is 600N. a .9 kg
1. 1 answer
2. asked by Sandra
3. 1,410 views
A particular household ammonia solution (d=0.97 g/mL) is 6.8% NH3 by mass. How many mililiters of this solution should be
1. 2 answers
2. asked by Calvin
3. 1,398 views
Determine the point(s) (if any) at which the graph of the function has a horizontal tangent line for y=(3^1/2)x+2cos(x),
1. 1 answer
2. asked by Susana
3. 1,396 views
A child pushes a merry go-round from rest to a final angular speed of 0.4 rev/s with constant angular acceleration. In doing so,
1. 1 answer
2. asked by Shereen
3. 1,376 views
Which of the following ways of measuring explicit memory usually produces the best results?A)Relearning B) Recall C)Recognition
1. 1 answer
2. asked by missy
3. 1,373 views
CH4 + 2O2 = CO2 + 2H2OStarting with 13.6 g of CH4, calculate the mass in grams of CO2 produced if there is enough O2 gas to
1. 1 answer
2. asked by Kayla
3. 1,364 views
you draw from a deck. if you get a red card you win nothing. if you get a spade you win $5. for any club you win $10 plus an
1. 2 answers
2. asked by jessica
3. 1,336 views
Charge of uniform surface density (0.2 nC/m2) is distributed over the entire xy plane. Determine the magnitude of the electric
1. 0 answers
2. asked by jenny
3. 1,328 views
Cells are to tissues as organs are to1 ORGAN SYSTEM 2 CELLS 3 GENES 4 ORGANELLES IS THE ANSWER 1 ORGAN SYSTEM Which of
1. 1 answer
2. asked by GAspar
3. 1,279 views
lopez spent 1/3 of his vacation money for travel and 2/5 of his vacation money for lodging. He spent $1100 for travel and
1. 1 answer
2. asked by kelly
3. 1,236 views
Find a formula that expresses the fact that P(x, y) is a distance 9 from the origin.
1. 1 answer
2. asked by Dana
3. 1,233 views
An object moving on the x axis with a constant acceleration increases its x coordinate by 161 m in a time of 12.5 s and has a
1. 1 answer
2. asked by Sam
3. 1,222 views
Write a balanced molecular equation for aqueous nitric acid and aqueous ammonia. Express your answer as a balanced chemical
1. 1 answer
2. asked by Anonymous
3. 1,222 views
Tarzan, who weighs 917 N, swings from a vine through the jungle. How much work is done by the tension in the vine as he drops
1. 3 answers
2. asked by Help
3. 1,189 views
Find k such that the line is tangent to the graph of the function. Function: f(x)=k�ã(x)Line: y=x+4
1. 2 answers
2. asked by Susana
3. 1,184 views
A train has a mass of 5.22 multiplied by 106 kg and is moving at 70.0 km/h. The engineer applies the brakes, which results in a
1. 1 answer
2. asked by Seth
3. 1,179 views
I have to analyze the use of diction and syntax in three authors specific works, but I'm unsure of how to anazlyze/explain
1. 1 answer
2. asked by Soh
3. 1,174 views
Which one of the following statements best describes a budget "blind spot"?A : To little oney was set aside to cover an expense
1. 4 answers
2. asked by ciara
3. 1,159 views
The bases of a trapezoid are 38 and 17 respectively. The angles at the extremities of the larger base are 57 degrees and 45
1. 3 answers
2. asked by echus
3. 1,139 views
Two gears A and B are in contact. The radius of gear A is twice that of gear B. (a) when A’s angular velocity 6.00 Hz counter
1. 1 answer
2. asked by John
3. 1,122 views
A 747 jetliner lands and begins to slow to a stop as it moves along the runway. The mass is 3.1 105 kg, its speed is 25.5 m/s,
1. 1 answer
2. asked by john
3. 1,110 views
Calculate the concentration, in molarity, of a solution prepared by adding 9 mL of water to 1 mL of 0.1 M HCl solution.If 2.0 mL
1. 1 answer
2. asked by Nico
3. 1,089 views
Ok so I'm join this contest at my school (long story but read that directions below)7th Graders Against 8th Graders "The more
1. 3 answers
2. asked by Laruen
3. 1,083 views
One characteristic of all living organisms is that they(1) make food (2)Live on Land (3)Maintain Homeostasis (4) move from place
1. 3 answers
2. asked by GAspar
3. 1,083 views
<b>Please do not post any more answers. Jiskha is not a repository for any exam answers.</b>In addition, we have no idea what
1. 5 answers
2. asked by Ms. Sue
3. 1,080 views
What do you need to know in order to calculate the mass of a planet from observations of a satellite in orbit around that
1. 2 answers
2. asked by Frances
3. 1,075 views
1. The cost, in millions of dollars, to remove x % of pollution in a lake modeled by
1. 1 answer
2. asked by nikki
3. 1,070 views
calculate the acceleration if you push with a 20n horizontal force on a 3 kg block on a horizontal friction-free air table
1. 1 answer
2. asked by Anonymous
3. 1,060 views
Solve using linear combinations.x - 5y = 6 3x + 4y = 18 What are linear combinations?
1. 1 answer
2. asked by Peter
3. 1,059 views
Studies that have overcome methodological problems in examining intelligence scores for African- americans as compared to people
1. 2 answers
2. asked by bj
3. 1,045 views
how many carbon-hydrogen bonds does ethane have?how many carbon-carbon bonds does ethane have? is it 6 for the 1st and 1 for the
1. 1 answer
2. asked by alexis
3. 1,044 views
what is vigilantism and how and when does it arise?(political philosophy)
1. 0 answers
2. asked by TRACEY
3. 1,037 views
A projectile is fired with an initial speed v0 att = 0. The angle between the initial velocity v0 and the horizontal plane is .
1. 0 answers
2. asked by Maxx
3. 1,034 views
A chair with a mass of 30.0kg is shot with a 10g bullet traveling at a speed of 250m/s. The bullet goes 6cm into the chair. The
1. 0 answers
2. asked by Phil
3. 1,023 views
A ship leaves the island of Guam and sails a distance 295 at an angle 35.0 north of west.How far must it sail so that its
1. 3 answers
2. asked by ahmed
3. 1,011 views
Im doing a crossword and im stuck on the last one. the topic is immigration and urbanization.1. neighborhoods on the outskirts
1. 3 answers
2. asked by sara
3. 1,005 views
Which statement describes the similarity between sketches and drawings?A Both sketches and drawings are made freehand. B Both
1. 0 answers
2. asked by Help Me
3. 1,003 views
The horsepower (hp) that a shaft can safety transmit varies jointly with its speed (in revolutions per minute, or rpm) and the
1. 1 answer
2. asked by Wen
3. 996 views
A block is dropped onto a spring with k = 27 N/m. The block has a speed of 3.2 m/s just before it strikes the spring. If the
1. 0 answers
2. asked by james
3. 993 views
how can estimating help you add two- digit numbers?
1. 0 answers
2. asked by shawn
3. 993 views
If 150.0 mL of 1.00 M C6H12O6 are diluted to 750.0 mL, what is the molarity of the final solution?____ M?
1. 2 answers
2. asked by MBH
3. 976 views
An increase in personal income tax rates will cause a(n)
1. 2 answers
2. asked by amanda
3. 974 views
CASHEWS $8.00 PER KILOGRAM AND PECANS $9.00 PER KILOGRAM, HOW MANY KILOGRAMS OF EACH TO MAKE 10 KILOGRAMS THAT COST $8.40
1. 1 answer
2. asked by cathy
3. 963 views
stephanie serves a volleyball from a height of .8m and gives it an initial velocity of 7.6m/s straight up. how high will it go?
1. 1 answer
2. asked by evan
3. 956 views
find the value of each variable3m+5+4m-10
1. 2 answers
2. asked by ana
3. 953 views
. The Niagara Movement, headed by _______, sought equal rights for blacks.* A. William Lloyd Garrison B. Booker T. Washington C.
1. 2 answers
2. asked by Anonymous
3. 953 views
Two objects attract each other gravitationally with a force of 2.9 10-10 N when they are 0.29 m apart. Their total mass is 4.0
1. 0 answers
2. asked by Ellen
3. 948 views
<ABC and <JKL are supplementary angles. m<ABC = 3x + 5 and m<JKL = 7x - 25. Find the measure of each angle.
1. 2 answers
2. asked by anonymous
3. 941 views
Lactic acid is a weak monoprotic acid. If a 0.10 M solution of it has a pH of 2.44, what is the dissociation constant (Ka) for
1. 1 answer
2. asked by person
3. 937 views
10.034 mJ = ______________ cJ
1. 2 answers
2. asked by Kelss
3. 936 views
Calculate the pH at the point in the titration of 25.00 mL 0.108 M HNO2 at which 10.00 mL 0.162 M NaOH have been added. For
1. 3 answers
2. asked by Holly
3. 916 views
Ernesto makes a snack mix. For every cup of raisins he adds 2 cups of peanuts and 3 of pretzels. What fractional part is
1. 1 answer
2. asked by raquel
3. 890 views
hi I have a project to do on netbeans but I am having problems.The project is you have to enter a message and there must be a
1. 0 answers
2. asked by kyle
3. 877 views
1) Two people sit on a park bench 6.0 ft long, weighing 160 lb. A boy weighing 75lb sits directly over the legs on the left
1. 4 answers
2. asked by aakash
3. 857 views
write the unit rate of2 into 50
1. 1 answer
2. asked by josh
3. 854 views
Potassium cyanide (KCN) reacts with acids to produce the poisonous hydrogen cyanide gas, HCN, according to the reaction below:KC
1. 4 answers
2. asked by Kara
3. 837 views
Identify four cultural/racial groups who were not popular choices for coming to Canada.With each group identify four ways in
1. 0 answers
2. asked by Anonymous
3. 835 views
A certain infant analgesic medicine has a single dose of 36.0 mg/kg of body weight. How much analgesic will be administered in a
1. 1 answer
2. asked by hope
3. 833 views
18/24 divided by 32=?????
1. 1 answer
2. asked by monserrat
3. 828 views
Can some help me with a topic to write a personal narrative?
1. 4 answers
2. asked by Mario
3. 824 views
the decimal for 15%
1. 1 answer
2. asked by felix
3. 820 views
why is a water molecule is much more likely to give up a proton than a methane molecule
1. 0 answers
2. asked by Cynthia
3. 819 views
how can the equilibrant of two or more concurrent forces be found
1. 1 answer
2. asked by Lala
3. 815 views
can you help to correct my answer and english grammar. thank you so much.question below: 1. How does money is importance in our
1. 2 answers
2. asked by jessie
3. 815 views
A motorist traveling at 15 m/s encounters adeer in the road 39 m ahead. If the maximum acceleration the vehicle’s brakes are
1. 0 answers
2. asked by John
3. 799 views
A military gun is mounted on a railroad car (m = 1590 kg) as shown in Figure P7.34. There is no frictional force on the car, the
1. 1 answer
2. asked by megan
3. 788 views
factor the polynomialsx^2 -6 x^2 +5x-6
1. 1 answer
2. asked by kerry
3. 782 views
Why does an anisotropic shaft split axially under excessive torque?
1. 1 answer
2. asked by Arnold
3. 767 views
This is not a test question, but I did not know what the appropriate topic for my question is.If I used the terms 2, 3, 4, 8
1. 5 answers
2. asked by Jennifer
3. 752 views
(3x-14)degrees (70)degrees
1. 1 answer
2. asked by Mike
3. 750 views
What is the pH of a solution that is 0.62M H2SO4(aq) and 1.7M HCOOH (formic acid).
1. 1 answer
2. asked by Calvin
3. 750 views
Find the sum using mental math 24 + 71 =
1. 1 answer
2. asked by nelson
3. 742 views
a body starts from rest and acquire avelosity V in time T. The instantaneous power developed to the body is proportionalto
1. 0 answers
2. asked by pradhan
3. 741 views
The attendance at a baseball game was 400 people. Student tickets cost$2 and adult tickets cost$3. Total ticket sales were
1. 1 answer
2. asked by jim
3. 739 views

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