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Questions Asked on September 28, 2012

At what point on the paraboloidy = x2 + z2 is the tangent plane parallel to the plane 7x + 2y + 3z = 2? (If an answer does not
1. 2 answers
2. asked by Becky
3. 13,917 views
You are asked to prepare 500. mL of a 0.150 M acetate buffer at pH 5.00 using only pure acetic acid, 3.00 M NaOH, and water.
1. 1 answer
2. asked by Kw1h
3. 7,162 views
Calculate the pH of 7.2 × 10-8 M HCl. Report your answer to the hundredths place. Next, What fraction of the total H in this
1. 4 answers
2. asked by Chris
3. 6,172 views
11. How many moles of CO2 would be produced from 56 moles of O2 according to the following balanced equation?2 C2H6 + 7 O2 --->
1. 7 answers
2. asked by Sarah
3. 5,564 views
maurice puts 130 trading cards in protector sheets. He fills 7 sheets and puts the remaining 4 cards in an eighth sheet. Each of
1. 17 answers
2. asked by anthony
3. 5,363 views
Consider the following balanced equation.2 H2 + O2 ---> 2 H2O Which of the following statements is false? a) One molecule of O2
1. 3 answers
2. asked by Sarah
3. 4,432 views
An open box is made from a square piece of cardboard 20 inches on a side by cutting identical squares from the corners and
1. 2 answers
2. asked by danny
3. 4,400 views
It is greater than 43 and less than 52 if you add the digits the sum is 8 write the number word
1. 6 answers
2. asked by Christy
3. 3,796 views
is IBr a hydrogen bonding or dipole-dipole interactions or dispersion forces
1. 2 answers
2. asked by shay
3. 3,720 views
A mass hangs on the end of a massless rope. The pendulum is held horizontal and released from rest. When the mass reaches the
1. 3 answers
2. asked by hater of physics
3. 3,713 views
An arrow is shot at an angle of above the horizontal. The arrow hits a tree at an angle 45 degrees horizontal distance D = 220
1. 1 answer
2. asked by Nami
3. 3,678 views
A tennis ball with a velocity of 24.4 m/sis thrown perpendicularly at a wall. After striking the wall, the ball rebounds in the
1. 3 answers
2. asked by Diego
3. 3,595 views
A ball is thrown toward a cliff of height h with a speed of 27m/s and an angle of 60 degrees above horizontal. It lands on the
1. 1 answer
2. asked by Nami
3. 3,557 views
Calculate the number of C atoms in 0.185 C6H14O.
1. 2 answers
2. asked by Kim
3. 3,458 views
A loaded truck can accelerate at 3.2 m/s^2It loses its load so that it is only 0.2 as massive. By what factor must the
1. 2 answers
2. asked by michelle
3. 3,360 views
.A 5.5kg riffle fires an 11gram bullet with a velocity of 1000m/s.a. find the velocity of a riffle? b. if the shooter holds the
1. 2 answers
2. asked by mark
3. 3,190 views
Find parametric equations for the tangent line to the curve of intersection of the paraboloidz = x2 + y2 and the ellipsoid 6x2 +
1. 4 answers
2. asked by Becky
3. 3,067 views
Which of the following statements correctly compares the functions of a plant's roots and stem?The stem contains a high
1. 3 answers
2. asked by Madi
3. 2,949 views
Julia ate 1 over 2 pint of mint ice cream. Mark ate 3 over 4 of malt ice cream. How many times more ice cream did mark eat?
1. 7 answers
2. asked by Aaliyah
3. 2,825 views
Which shape does not have two pairs of parallel sides?A. rectangle B. square C. parallelogram D. trapezoid
1. 4 answers
2. asked by luv history
3. 2,732 views
Composition of FunctionsIf f(x) = 2x+1 find A. f o f(x) f(f(x)) = f(2x+1) f(2x+1) = 2(2x+1) f(f(x)) = 4x +2 B. f o f o f o f(x)
1. 1 answer
2. asked by Shreya
3. 2,567 views
Each dividend was divided by another polynomial, resulting in the given quotient and remainder. Find the divisorDivided:5x^3+x^2
1. 1 answer
2. asked by Melissa
3. 2,533 views
The formula s = the square root of 18d can be used to fnd the speed s of a car in miles per hour when the car needs d feet to
1. 4 answers
2. asked by Jordan
3. 2,363 views
Each divisor was divided into another polynomial , resulting in the given quotient and remainder. Find the other polynomial the
1. 1 answer
2. asked by jezebel
3. 2,164 views
Fe can be prepared as 2 Al + Fe2O3 ----> 2 Fe + Al2O3. Suppose that 0.450 moles of Fe2O3 are reacted with an excess of Al.
1. 2 answers
2. asked by Sarah
3. 2,088 views
A large air-filled rubber ball is tethered to the bottom of a swimming pool. The tension in the tether is 100N. The mass of the
1. 1 answer
2. asked by brenda
3. 1,961 views
container A has twice the capacity of container B. Container A is full of sand and container B is empty. Suppose 1/8 of the sand
1. 3 answers
2. asked by israel
3. 1,844 views
How to solve titration problem for HC2H3O2 + NaOH= NaC2H3O2 + H2OThe M of NaOH= 0.427 The volume of NaOH= 17.30mL 10.00mL of
1. 1 answer
2. asked by John
3. 1,837 views
Suppose you are asked to find the area of a rectangle that is 2.1- wide by 5.6- long. Your calculator answer would be 11.76 .
1. 2 answers
2. asked by Annie
3. 1,765 views
You decide to take your dog to the leash-free zonein the park. While playing, the dog runs after a ball and heads 24 m [W 12°
1. 2 answers
2. asked by shan
3. 1,692 views
An airplane whose air speed is 620km/h is supposed to fly in a straight path 35 degrees north of east. A steady 95km/h wind is
1. 1 answer
2. asked by kacey
3. 1,590 views
The rotor is an amusement park ride where a person enters the Rotor when it is stationary and stands against the wall with their
1. 1 answer
2. asked by Connor
3. 1,489 views
Find parametric equations for the tangent line to the curve of intersection of the paraboloidz = x^2 + y^2 and the ellipsoid
1. 1 answer
2. asked by Becky
3. 1,488 views
65 men 75 women are enfolled in calculus. There are 30 business majors, 40 biology majors, 50 computer science majors, and 20
1. 1 answer
2. asked by greg
3. 1,441 views
In 1934, Edward A. Doisy of Washington Univeristy extracted 1361 kg og hog ovaries to isolate a few milligrams of a potent
1. 7 answers
2. asked by gloria
3. 1,427 views
2C2H2+ 5O2-> 4CO2+ 2H20. If 1 mole of C2H2 reacts with oxygen, how many moles of C02 are produced.
1. 1 answer
2. asked by ERIKA
3. 1,344 views
A golf ball of mass 0.05 kg is struck by a golf club of mass m kg with a speed of 50m/s will have an initial speed of
1. 1 answer
2. asked by Corey
3. 1,336 views
Jose put 40 mL of water into a graduated cylinder. After addinga toy car, the water level in the cylinder rose to 65mL. What
1. 2 answers
2. asked by jacob
3. 1,310 views
Last and final question: Consider the reaction 2KNO3 + 10K ---> 6K2O + N2. If 155 grams of K reacted with 122 grams of KNO3,
1. 1 answer
2. asked by Sarah
3. 1,291 views
give an example of two decreasing functions whose product is increasing
1. 1 answer
2. asked by fatima
3. 1,279 views
A mass m = 76.0 kg slides on a frictionless track that has a drop, followed by a loop-the-loop with radius R = 19.7 m and
1. 1 answer
2. asked by Anonymous
3. 1,253 views
A skydiver who jumps out of a plane that has a forward velocity of 40 m/s. That means that the skydiver has a forward velocity
1. 0 answers
2. asked by Hannah
3. 1,247 views
Laura wants to cut a board into three equal pieces. The board is 5-8 feet long. How long will each piece be?
1. 4 answers
2. asked by Aaliyah
3. 1,246 views
Is citric acid stronger than tartaric acid?
1. 1 answer
2. asked by Rachel
3. 1,236 views
A cheerleader lifts his 62.2 kg partner straightup oﬀ the ground a distance of 0.89 m before releasing her. The acceleration
1. 0 answers
2. asked by LYNN
3. 1,226 views
If $2500 is invested at an interest rate of 2.5% per year, compouded daily, find the value of the inevestment after 2 years
1. 1 answer
2. asked by Olive
3. 1,164 views
twelve less than a number is 19. what is the number?
1. 3 answers
2. asked by sammy
3. 1,155 views
Find m angle NKL if m angle JKL = 2m angle JKN
1. 0 answers
2. asked by nik
3. 1,146 views
What does F. Scott Fitzgerald suggest about the state of the American Dream, the people who pursue it, and the impact of that
1. 1 answer
2. asked by Elizabeth
3. 1,141 views
A mass m = 11.0 kg rests on a frictionless table and accelerated by a spring with spring constant k = 4979.0 N/m. The floor is
1. 0 answers
2. asked by hater of physics
3. 1,132 views
A ball rolls off the edge of a balcony at 10 m/s. what is the speed after 1s in the air?
1. 1 answer
2. asked by mike
3. 1,127 views
If the boron nitride molecule,BN, were to form, what would its structure look like?pls. need help
1. 1 answer
2. asked by shay
3. 1,121 views
assume an unknown sample to be 15% copper, weigh enough dried ore sample to use approximatele 35-45mL of .09M S2O3-. How many
1. 1 answer
2. asked by Jill
3. 1,117 views
The inclined ramp of the boat launch is 18 meters longer than the rise of the ramp. The run is 17 meters longer than the rise.
1. 0 answers
2. asked by Mark
3. 1,108 views
Determine the pH of a solution containing 0.045 M NaOH and 0.025 M KI:With activities: Without activities:
1. 2 answers
2. asked by amanda1012
3. 1,087 views
How do you determine criteria for evaluating something? What specific areas should you consider? What is the importance of
1. 2 answers
2. asked by Tasha
3. 1,082 views
The esteemed Dr. Bookworm has just completed a study in which he found a +1.0 correlation between the number of cups of coffee
1. 0 answers
2. asked by clara
3. 1,063 views
One kind of slingshot consists of a pocket that holds a pebble and is whirled on a circle of radius r. The pebble is released
1. 0 answers
2. asked by Eric
3. 1,023 views
Dana and Gina are pushing on a box. Dana pushes with 250 N of force and Gina pushes with 100 N of force.A. What is the net force
1. 1 answer
2. asked by Ashley
3. 1,013 views
Should the criminal justice system put as much emphasis as it does on eyewitness testimony? What are some possible circumstances
1. 1 answer
2. asked by halasha
3. 989 views
A woman stands on a scale in a moving elevator. Her mass is 63.0 kg, and the combined mass of the elevator and scale is an
1. 0 answers
2. asked by Anonymous
3. 987 views
This question is typical on some driver’s license exams: A car moving at 40 km/h skids12 m with locked brakes. How far will
1. 1 answer
2. asked by LYNN
3. 977 views
I need some help with my econ homework. Can someone tell me if I am right on these?1. When graphing cross-sectional data, one
1. 0 answers
2. asked by Mark
3. 943 views
A mass m = 76.0 kg slides on a frictionless track that has a drop, followed by a loop-the-loop with radius R = 19.7 m and
1. 1 answer
2. asked by Anonymous
3. 938 views
A mass hangs on the end of a massless rope. The pendulum is held horizontal and released from rest. When the mass reaches the
1. 0 answers
2. asked by hater of physics
3. 935 views
A bicycle wheel of radius 0.4 m is spinning at a rate of 40 revolutions per minute.What is the centripetal acceleration of a
1. 1 answer
2. asked by phil
3. 928 views
A roasted turkey is taken from an oven when its temperature has reached 185°F and is placed on a table in a room where the
1. 3 answers
2. asked by Ms. Sue please help!
3. 922 views
Which of the following firms caould raise prices and expect an increase in revenues?A)a firm product has an elasticity of 1 B)a
1. 1 answer
2. asked by Katelyn
3. 914 views
Following the Spanish-American War, and especially in regard to American occupation of the Philippines, most anti-imperialists
1. 3 answers
2. asked by Shawna
3. 911 views
1. What mass of the compound FeWO4 contains 50.0 grams of tungsten (atomic symbol W, atomic number= 74)?**Formula mass of FeWO4
1. 1 answer
2. asked by Sarah
3. 908 views
An outfielder throws a 0.145 kg baseball to the shortstop with a speed of 30 m/s at an angle of 20 degrees above the horizontal.
1. 1 answer
2. asked by Nick
3. 907 views
Should students be allowed to invade established neighborhoods and live in unlicensed and unsafe rooming houses?How can I
1. 1 answer
2. asked by Jessica
3. 890 views
How many grams of HCL must be added to make 1 liter of a 2.0 M HCl solution?
1. 0 answers
2. asked by Rachael
3. 877 views
A greyhound can run as fast as 39.35mph per hour without calculating,would about 12,14 ,or 16 be reasonable answer for the
1. 5 answers
2. asked by Americal
3. 871 views
A catcher's and a pitcher's uniform numbers are consecutive integers whose product is 756. If the catcher's was the smaller
1. 1 answer
2. asked by Tiff
3. 862 views
Which of the following is true of the Spanish-American War?A: The black soldiers who fought had gained experience and
1. 2 answers
2. asked by Anonymous
3. 856 views
Ms.Sueabout the question of the the Protestant Reformation is it that England was christian and France wasn't or something else
1. 1 answer
2. asked by Aisha
3. 848 views
Calculate the pH of 7.2 × 10-8 M HCl. Report your answer to the hundredths place. Next, What fraction of the total H in this
1. 1 answer
2. asked by Chris
3. 837 views
How does a stimulus program (through the money multiplier) affect the money supply?
1. 0 answers
2. asked by Ashley
3. 811 views
Mary Lou must complete a research project to get her associate degree. She has just one year left to finish her degree and must
1. 0 answers
2. asked by clara
3. 805 views
1. How is both the external and internal stimuli involved in doing this:You are hungry so you reach for an apple in a fruit
1. 1 answer
2. asked by Samantha
3. 805 views
A cup of coffee is sitting on a table in an airplane that is flying at a constant altitude and a constant velocity. The
1. 1 answer
2. asked by Anonymous
3. 796 views
A total of 506 J of heat are added to 50.0 g of water initially at 15.0 degrees Celsius. What is the final temperature of the
1. 1 answer
2. asked by rachel
3. 794 views
Before a football game, a coin toss is used to determine which team will kick off. The height h (in feet) of a coin above the
1. 1 answer
2. asked by Mark
3. 793 views
A roasted turkey is taken from an oven when its temperature has reached 185°F and is placed on a table in a room where the
1. 1 answer
2. asked by Help! VERY URGENT!
3. 783 views
Three charges are fixed to an xy coordinate system. A charge of +25C is on the y axis at y = +2.7 m. A charge of -16C is at the
1. 0 answers
2. asked by John
3. 783 views
A flock of ducks is trying to migrate south for the winter, but they keep being blown off course by a wind blowing from the west
1. 1 answer
2. asked by ade yinka
3. 774 views
Which of the following is typically included in a stock listing?The company's SEC registration credentials The predicted price
1. 1 answer
2. asked by Max
3. 747 views
An arrow is shot at an angle of above the horizontal. The arrow hits a tree at an angle 45 degrees horizontal distance D = 220
1. 1 answer
2. asked by Nami
3. 740 views
7/6+(10-4)x535?
1. 4 answers
2. asked by Lance
3. 739 views
Was it Ivy Lee or Henry Ford that pioneered the field of corporate public relations?Ive read that Ivy is considered one of the
1. 2 answers
2. asked by Shawna
3. 735 views
A bank robber in a getaway car approaches an intersection at a speed of 45 mph. Just as he passes the intersection, he realizes
1. 0 answers
2. asked by Rave
3. 725 views
Composition of Functionsf o g(x)=f(g(x)) --> I know that this is eqivalent to f(g(x)) Given f(x) = 2x+1, and g(X) = 3x+1 find:f
1. 1 answer
2. asked by Shreya
3. 700 views
In standard form:5. 3.2 x 10^3 7. 4.1 x 10^8 9. Write the average weight of a blue whale, 2.6 x 10^5, in standard form. 15. 2.5
1. 3 answers
2. asked by Delilah
3. 697 views
Discuss the conclusions of Margaret Mead concerning temperament, and explain how she arrived at her conclusions.
1. 2 answers
2. asked by Christina
3. 684 views
On a winter day the temperature drops from –15°C to –25°C overnight. If a pan sitting outside contains 0.40 kg of ice, how
1. 0 answers
2. asked by KeKe
3. 682 views
How many yards must be gained after a loss of 3 yards to have a total gain of 10 yards?
1. 2 answers
2. asked by Maryam (:
3. 679 views
QA: This question is typical on some driver’s license exams: A car moving at 40 km/h skids12 m with locked brakes. How far
1. 3 answers
2. asked by LYNN
3. 678 views
The Niagara Movement, headed by ____,sought equal rights for blacks A: William Lloyd Garrison B: William E Walling C: Booker T
1. 5 answers
2. asked by Shawna
3. 675 views
calculate the volume of a rectangular prism with a length of 5.6 , a width of 2.1 , and a height of 6.6 .
1. 1 answer
2. asked by Annie
3. 664 views

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