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Questions Asked on November 14, 2010

Oil is leaking out of a ruptured tanker at a rate of r = 19e^(2t) gallons per hour. Write a definite integral that represents
1. 2 answers
2. asked by Lena
3. 4,874 views
Which of the following best describes the image from a thin convex lens that forms whenever the object is at a distance more
1. 1 answer
2. asked by Laura
3. 4,825 views
an object displaces 2.3×〖10〗^(-3) m^3 of water when totally immersed into it. What is the buoyant force exerted by water?
1. 1 answer
2. asked by fae
3. 3,669 views
What is the balanced net ionic equation for the following reaction: 2 NH4Cl + Ba(OH)2 = 2H2O + BaCl2 + 2 NH3i got 2NH4^+ +2OH- =
1. 1 answer
2. asked by Harry
3. 3,184 views
a rectangular box is to have a square base and a volume of 20 ft cubic if the material for the base costs 30 cent per square
1. 1 answer
2. asked by soraya
3. 3,081 views
Classify each quadrilateral using the best description
1. 15 answers
2. asked by dana
3. 2,935 views
Citric acid, the compound responsible for the sour taste of lemons, has the following elemental composition: C, 37.51%; H,
1. 2 answers
2. asked by hannah
3. 2,636 views
Three masses are arranged in an (x, y)plane. 7 kg (-3,1) 8 kg (0,0) 9 kg (1,2) a) What is the magnitude of the resulting force
1. 4 answers
2. asked by Jaylee
3. 2,596 views
A boat floating in fresh water displaces water weighing 35.6 kN. (a) What is the weight of the water this boat displaces when
1. 1 answer
2. asked by Meghan
3. 2,321 views
A 2.241 g sample of nickel reacts with oxygen to form 2.852 g of the metal oxide. Calculate the empirical formula of the oxide.G
1. 4 answers
2. asked by sam
3. 2,302 views
A freight company uses a compressed spring to shoot 2.00 kg packages up a 1.00-m -high frictionless ramp into a truck, as the
1. 1 answer
2. asked by Anonymous
3. 2,267 views
(a) What is the torque about the origin on a jar of jalapeno peppers located at coordinates (1.0 m, -4.0 m, 2.0 m) due to force
1. 1 answer
2. asked by Gustavo
3. 2,251 views
The heat of combustion of octane (C8H18) is 47.8 kJ/g and one gallon of C8H18 has a mass of 2620 g. If a car using octane is
1. 1 answer
2. asked by Kai
3. 2,209 views
A gun is accurately aimed at a dangerous criminal hanging from the gutter of a building. The target is well within the gun’s
1. 6 answers
2. asked by Esora
3. 2,112 views
A 0.400 kg block of wood hangs from the ceiling by a string, and a 0.0700 kg wad of putty is thrown straight upward, striking
1. 2 answers
2. asked by Josie
3. 2,092 views
In a survey, 480 people or 75% said they attened a movie at least a month. how many people were surveyed?i don't get how to find
1. 4 answers
2. asked by Lilly
3. 1,992 views
A solid ball of mass m rolls along a horizontal surface with a translational speed of v. What percent of its total kinetic
1. 1 answer
2. asked by Lacey
3. 1,873 views
Write a proportion that can be used to find the cost of 10 notebooks if 3 notebooks cost $1.98
1. 1 answer
2. asked by Lilly
3. 1,871 views
1.You plan a major adventure trip for the summer. You won’t be able to take your usual summer job that pays $6,000, and you
1. 2 answers
2. asked by yt
3. 1,814 views
If there are 8 red disks numbered 1 through 8, and 6 yellow disks numbered 9 through 14 placed in a box. Find the probability of
1. 3 answers
2. asked by Kelly
3. 1,767 views
Submit pseudocode and a flowchart for the following programming exercise:Software Sales A software company sells a package that
1. 2 answers
2. asked by Anonymous
3. 1,762 views
A small motor is mounted on the axis of a space probe with its rotor (the rotating part of the motor) parallel to the axis of
1. 1 answer
2. asked by Miki
3. 1,714 views
Two parallel chords lie on opposite sides of the centre of a circle of radius 13cm.their lengths are 10cm and 24cm.what is the
1. 4 answers
2. asked by Justice
3. 1,665 views
find point(s) on the graph of the function f(x) = x^3 - 2 where the slope is 3
1. 3 answers
2. asked by Jazmin
3. 1,527 views
A puddle of water (n = 1.33) is covered with a very thin layer of light oil (n = 1.20). What is the minimum thickness the oil in
1. 1 answer
2. asked by Jessica
3. 1,525 views
The velocity of a car (in miles per hour) is given byv(t) = 61.25t − 17.5 t^2 where t is in hours. Write a definite integral
1. 1 answer
2. asked by Jane
3. 1,491 views
Postcard stamps are 20 cents each, while letter stamps are 33 cents each. If you have 50 stamps worth $12.60, how many of each
1. 6 answers
2. asked by Courtney
3. 1,471 views
a stone propelled from a catapult with a speed of 50m/s attains a height of 100m calculate the angle of projection
1. 3 answers
2. asked by Anonymous
3. 1,442 views
Write a balanced equation using the correct formulas and include conditions (s,l,g or aq) for each of the following reactions.1)
1. 2 answers
2. asked by TMV
3. 1,406 views
I have to do an essay on how abortion has positively or negatively affected american politics over the past 50 years? Im having
1. 2 answers
2. asked by Adie Evans
3. 1,336 views
A 11.0kg weather rocket generates a thrust of 230N . The rocket, pointing upward, is clamped to the top of a vertical spring.
1. 0 answers
2. asked by Anonymous
3. 1,299 views
What is 8.2% as a fraction in it's lowest termPlease someone kindly help!
1. 2 answers
2. asked by Milly
3. 1,287 views
Jean, who likes physics experiments, dangles her watch from a thin piece of string while the jetliner she is in takes off from
1. 1 answer
2. asked by maddy
3. 1,245 views
The populations of early villages were able to grow mostly due to...?
1. 5 answers
2. asked by Nissa
3. 1,241 views
freezing and thawing cycle that causes potholes in roads and breaks in rocks___ ___ ___ ___ ___ ___ ___ ___ ____
1. 4 answers
2. asked by kayla
3. 1,240 views
What is a follicular tag and how can it be used to implicated a suspect of a crime?
1. 1 answer
2. asked by Courtney
3. 1,233 views
The heat of combustion of octane (C8H18) is 47.8 kJ/g and one gallon of C8H18 has a mass of 2620 g. If a car using octane is
1. 2 answers
2. asked by Kai
3. 1,218 views
A long straight horizontal segment of wire with 0.060 m traverses a west magnetic field with 2.0 T. If a south current with 4.0
1. 1 answer
2. asked by Katie
3. 1,216 views
Inflation is running 2% per year when you deposit $1000 in an account earning interest of 13% per year compounded annually. In
1. 10 answers
2. asked by liz c
3. 1,213 views
1) When hydrazine (N2H4) is burned in a 253-g brick container, the temperature of the brick increases by 5.13 degrees Celsius.
1. 4 answers
2. asked by Sarah
3. 1,202 views
In North American, female adult heights are approximately normal with a mean of 65 inches and a standard deviation of 3.5
1. 1 answer
2. asked by Benjamin
3. 1,189 views
How much heat is needed to increase the temperature of 100.00g of water by 1.0 degree celsius? By 10.0 degrees celsius? By 20.0
1. 1 answer
2. asked by jraymond
3. 1,178 views
Two parallel chords lie on opposite sides of the centre of a circle of radius 13cm.their lengths are 10cm and 24cm.what is the
1. 4 answers
2. asked by Justice
3. 1,174 views
HOw does the physical geography of Europe affect its political, social, and economic charateristics?
1. 1 answer
2. asked by Lucy
3. 1,123 views
Find the equation of the plane for which each point is equidistant from P(2,1,1) and Q (-4,7,9).Show all work
1. 1 answer
2. asked by Stephanies
3. 1,122 views
A recent report stated "Based on a sample of 250 truck drivers, there is evidence to indicate that, on average, independent
1. 2 answers
2. asked by lucky
3. 1,116 views
Submit pseudocode and a flowchart for the following programming exercise:Largest and Smallest Design a program with a loop that
1. 1 answer
2. asked by Anonymous
3. 1,083 views
Your favorite restaurant offers a total of 13 desserts, of which 11 have ice cream as a main ingredient and 9 have fruit as a
1. 0 answers
2. asked by liz c
3. 1,076 views
I wrote a paper on Beloved, now I am required to do a MLA Documented Research Paper on this topic. I am stuck on how to begin
1. 1 answer
2. asked by Tyler
3. 1,062 views
would the molar mass of a volatile liquid, calculated using the procedure in this experiment, be incorrectly high, incorrectly
1. 1 answer
2. asked by thomas richards
3. 1,059 views
A building cast a shadow 42m long. At the same time, the shadow cast by a 34 cm tall pole is 86 cm long. Find the height of the
1. 3 answers
2. asked by Ray
3. 1,052 views
Hey jiskha.Microwave ovens emit microwave radiation that is absorbed by water. The absorbed radiation is converted to heat that
1. 2 answers
2. asked by Alex
3. 1,050 views
A man of mass 65.2 kg stands on a scaffold supported by a vertical rope at each end. The scaffold has a mass of 22.7 kg and is
1. 2 answers
2. asked by Mike
3. 1,034 views
A square, 0.69 m on a side, is mounted so that it can rotate about an axis that passes through the center of the square. This
1. 3 answers
2. asked by Mike
3. 1,032 views
Bob makes 5.5% commision selling eletronics. How much commission dose she make if she sells a flat-screen TV for %10,000?how
1. 2 answers
2. asked by Lilly
3. 1,030 views
A force of 23.0 N is required to start a 3.0 kg box moving across a horizontal concrete floor.(a) What is the coefficient of
1. 1 answer
2. asked by Cameron
3. 1,029 views
Suppose a student is measuring the optical rotation of a 1 M sample of (S)-(-)-Limonene. The path length is 13cm. What optical
1. 6 answers
2. asked by Sunny
3. 1,016 views
what the rebate of the finance charge and payoff would be if the pickup truck loan were paid off after 27 months instead of 60.
1. 0 answers
2. asked by Rebecca
3. 1,014 views
How do I find the perimeter of a triangle if each side has an expression such as: 3x, and the second side let's say -4y, or the
1. 3 answers
2. asked by Kyra
3. 1,006 views
the pressure on a gas at-73 Cis doubled, but its volume is held at constant. What will the final temperature be in degrees
1. 1 answer
2. asked by chelsey
3. 998 views
1) When hydrazine (N2H4) is burned in a 253-g brick container, the temperature of the brick increases by 5.13 degrees Celsius.
1. 1 answer
2. asked by Sarah
3. 996 views
Hey jiskha.Microwave ovens emit microwave radiation that is absorbed by water. The absorbed radiation is converted to heat that
1. 2 answers
2. asked by Alex
3. 976 views
A full container holds 5/8 of a gallon of liquid. If the container is 4/5 full, how much liquid is in the container? I need
1. 3 answers
2. asked by K
3. 974 views
A 67.0 g ice cube can slide without friction up and down a 26.0 degree slope. The ice cube is pressed against a spring at the
1. 0 answers
2. asked by Anonymous
3. 968 views
A 1.2 kg cannon ball is shot off a platform (1) at 10 m/s. It hits a platform (2) and begins to roll without bouncing. The
1. 1 answer
2. asked by Jennifer
3. 965 views
A start up computer company can sell 1000 computers if they price them at $500. The number sold will increase by 10 for every $1
1. 0 answers
2. asked by linda
3. 953 views
1.Another Chinese method of irrigation is shown in the lower picture.2.In flat areas, water is pumped out of the ground.
1. 1 answer
2. asked by Clayton
3. 937 views
Find the indicated nth term of the geometric sequence.7th term a5: -2/81 a9: -2/6561 I know the formula is an= a1 r ^ n-1 but I
1. 2 answers
2. asked by Ande
3. 933 views
In a study of Tibetan children, a total of 1546 children were examined. Of these, 1017 had rickets. Of the 245 urban children in
1. 1 answer
2. asked by liz c
3. 919 views
I am writing an oppossing view essay. For this part of the essay we are not supposed to take a stance. The teacher has broken
1. 3 answers
2. asked by Lynne
3. 906 views
5) An insulated Thermos contains 190 cm3 of hot coffee at 79.0°C. You put in a 11.0 g ice cube at its melting point to cool the
1. 4 answers
2. asked by john
3. 904 views
A roller-coaster car speeds down a hill past point A and then rolls up a hill past point B. The car has a speed of 16.1 m/s at
1. 0 answers
2. asked by Jaylee
3. 902 views
Julie's x-ray company paid $2.00 per share in common stock dividends last year. The company's policy is to allow its divident to
1. 0 answers
2. asked by will smithe
3. 884 views
1.Another Chinese method of irrigation is shown in the lower picture.2.In flat areas, water is pumped out of the ground.
1. 2 answers
2. asked by Clayton
3. 883 views
would the molar mass of a volatile liquid, calculated using the procedure in this experiment, be incorrectly high, incorrectly
1. 1 answer
2. asked by thomas richards
3. 880 views
Alice earned a score of 940 on an IQ test.The mean test score was 850 with a standard deviation of 100.(Assume that test scores
1. 3 answers
2. asked by koo
3. 872 views
Calculate the mass of salts needed for constructing a buffer using potassium monobasic phosphate and potassium dibasic phosphate
1. 4 answers
2. asked by dave
3. 867 views
Suppose you had 5 gallons of sodium hydroxide solution which had a concentration of two pounds of soduium hydroxide per gallon.
1. 2 answers
2. asked by Kisha
3. 853 views
In the study of biochemical processes, a common buffering agent is the weak base trishydroxymethylaminomethane, often
1. 3 answers
2. asked by Alexandra
3. 849 views
Tell which real number corresponds to the situation:During a month, a person withdraws $350. what is the corresponding # for
1. 2 answers
2. asked by charlie
3. 845 views
Experts consider high serum cholesterol levels to be associated with an increased incidence of coronary heart disease .suppose
1. 0 answers
2. asked by koky
3. 844 views
1. Assignment: Review - Adjectives, Adverbs, and Comparison• Use at least five adverbs and five adjectives to write a 150- to
1. 7 answers
2. asked by erica
3. 839 views
A person stands on a bathroom scale in a motionless elevator. When the elevator begins to move, the scale briefly reads only
1. 2 answers
2. asked by Meghan
3. 839 views
A box is given a push so that it slides across the floor. How far will it go, given that the coefficient of kinetic friction is
1. 1 answer
2. asked by Cameron
3. 827 views
1.Many of the Chinese people are farmers.2.They generally work their farms by land. 3.Chinese farmers usually use hand tools
1. 1 answer
2. asked by Clayton
3. 820 views
A 67.0 kg base runner begins his slide into second base when moving at a speed of 3.5 m/s. The coefficient of friction between
1. 1 answer
2. asked by Marcus
3. 815 views
t: Review - Adjectives, Adverbs, and Comparison• Use at least five adverbs and five adjectives to write a 150- to 300-word
1. 5 answers
2. asked by erica
3. 813 views
what is the weight of a 48 kg astronaut in outer space traveling with constant velocity?
1. 1 answer
2. asked by Jackie
3. 809 views
1. Assignment: Review - Adjectives, Adverbs, and Comparison• Use at least five adverbs and five adjectives to write a 150- to
1. 0 answers
2. asked by erica
3. 809 views
are mixtures heterogeneous or homogenous? are compounds heterogeneous or homogenous?which one is both heterogeneous and
1. 1 answer
2. asked by alicia
3. 805 views
Draw a graph to show the decay of 32g of plutonium-241. Use the graph to find the mass of plutonium-241 after 20 years.
1. 1 answer
2. asked by Heena
3. 797 views
Problem: Use Common or Natural Logarithims to solve the exponential equations symboliclly.2e^7x+4=4 (Round to four decimal
1. 4 answers
2. asked by Lee
3. 797 views
The South Carolina Crisis of 1832-1833 resulted ina. a clear victory for the federal government or d. unanimous support in South
1. 2 answers
2. asked by Kylie
3. 774 views
In 1992, the average cost of a ticket on a privately-owned airline was $145. This amount has increased by approximately $51
1. 1 answer
2. asked by sk
3. 773 views
A person jumps from the roof of a house 4.9 m high. When he strikes the ground below, he bends his knees so that his torso
1. 0 answers
2. asked by Hannah
3. 765 views
an automobile moving at a constant velocity of 50 ft/sec passes a gasoline station. 3 sec later, another automobile leaves the
1. 1 answer
2. asked by che_scarlet
3. 752 views
Solving systems of linear equations in three variables.Ok so i don't really totally get these problems. Can you help me solve
1. 4 answers
2. asked by MaKenzie Smith
3. 751 views
Find the gradient of the curve xy^3 = 5 ln y at the point (0,1).
1. 1 answer
2. asked by Anique
3. 751 views
If a sample of pure cadmium has a mass of 18.2 grams, how many moles of cadmium are in the sample?
1. 2 answers
2. asked by hippie
3. 746 views
A baseball diamond is a square with side 90 feet. A batter hits the ball and runs toward first base with a speed of 24 f/s.At
1. 0 answers
2. asked by John
3. 732 views

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