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2011
October
Questions Asked on
October 22, 2011
a 6,000 seat theater has tickets for sale at $26 and $40 . How many tickets must be sold at each price for a sell out
1 answer
asked by
beechst
6,108 views
Determine the equation of the quadraticcc function
f(x)=ax^2-6x-7 if f(2)=3
3 answers
asked by
Kestrel
5,556 views
Two faucets can fill a tank in 1 hour and 20 minutes. The first faucet takes more than two hours longer to fill the same tank
2 answers
asked by
Louis
4,979 views
Write a net ionic equation for the overall reaction that occurs when aqueous solutions of potassium hydroxide and carbonic acid
1 answer
asked by
Hannah
4,892 views
The only force acting on a 2.3 kg body as it moves along the positive x axis has an x component Fx = - 6x N, where x is in
1 answer
asked by
Anonymous
4,740 views
A wagon is rolling forward on level ground. Friction is negligible. The person sitting in the wagon is holding a rock. The total
1 answer
asked by
Sam
4,736 views
Suppose you adjust your garden hose nozzle for a hard stream of water. You point the nozzle vertically upward at a height of 1.5
4 answers
asked by
Anonymous
4,547 views
A retail shop accepts only cash or checks. Suppose that 54% of its customers carry cash, 51% carry checks, and 71% carry cash or
2 answers
asked by
Nicole
4,424 views
Let f be defined as follows, where a does not = 0,
f(x) = {(x^2 - 2a + a^2) / (x-a), if x does not = a 5, if x = a Which of the
4 answers
asked by
Mishaka
4,282 views
aspirin tablets contain about 5 grains of aspirin. About 10 grams of aspirin constitute a fatal dose. How many tablets would
3 answers
asked by
Jay
4,073 views
The sum of two numbers is 16 . What is the largest possible product between these numbers
4 answers
asked by
Melissa
3,516 views
a system consists of four particles how many terms appear in the expression for the total gravitational potential energy of the
2 answers
asked by
Mary
3,515 views
If g(x) is continuous for all real numbers and g(3) = -1, g(4) = 2, which of the following are necessarily true?
I. g(x) = 1 at
1 answer
asked by
Mishaka
3,359 views
A tunnel with a parabolic arch is 12 m wide. If the height of the arcccch 4 m from the left edge is 6 m,can a truck that is 5 m
1 answer
asked by
Kestrel
3,223 views
48 more than the quotient of a number and 64
6 answers
asked by
Anonymous
3,001 views
A 2.50 mass is pushed against a horizontal spring of force constant 26.0 on a frictionless air table. The spring is attached to
1 answer
asked by
Lauren
2,891 views
Determine the quadratic equation whose solutions are: 3 and -2. Explain your solution
2 answers
asked by
Jessica
2,801 views
a 2.00-liter sample of a gas has a mass of 1.80 grams at STP. What is the density , in grams per liter , of this gas at Stp?
2 answers
asked by
Anonymous
2,801 views
a ladder 24 feet long leans against the side of a building, and the angle between the ladder and the building is 25°.
a)
2 answers
asked by
jule
2,791 views
18. The Intelligence Quotient (IQ) test scores are normally distributed with a mean of 100 and a standard deviation of 15. Given
2 answers
asked by
Steph
2,618 views
calculate the heat of combustion for the following reactions from the standard enthalpies of formation
2H2(g) + O2(g) = 2H2O(l)
1 answer
asked by
TROUBLED
2,454 views
A 0.384 kg puck, initially at rest on a horizon-
tal, frictionless surface, is struck by a 0.189 kg puck moving initially along
1 answer
asked by
Tom
2,328 views
Lithium atoms, like hydrogen atoms, have only a single electron in their outer shells, yet lithium atoms do not join together to
4 answers
asked by
Sheryl
2,328 views
Assume that you were given samples of two white, crystalline compounds, one of them ionic and one covalent. Describe how you
2 answers
asked by
chelsy
2,068 views
deshawn and Luke had an equal number of stickers. After deshawn used 26 stickers and Luke lost 38 stickers. deshawn had twice as
1 answer
asked by
Marie
1,988 views
The heating element of a simple heater consists of a 2.2m--long, 0.70mm--diameter nichrome wire. When plugged into a 120 V
1 answer
asked by
Kayla
1,986 views
a 250 kg crate is placed on an adjustable incline plane. If the crate slides down the incline with an exceleration of 0.7 m/s
1 answer
asked by
uta
1,923 views
A 0.1375-g sample of magnesium is burned in a constant volume calorimeter tha has a heat capacity of 3024 J/C. the temperature
1 answer
asked by
TROUBLED
1,888 views
What is the difference between a vertical stretch and a vertical shrink?
1 answer
asked by
Izzy
1,839 views
Solve the given equation. (Enter your answers as a comma-separated list. Let k be any integer. Round terms to three decimal
3 answers
asked by
stellar
1,832 views
Find all solutions of the given equation. (Enter your answers as a comma-separated list. Let k be any integer. Round terms to
2 answers
asked by
stellar
1,811 views
A company employs nine people and plans to select a group of six of these employees to receive advanced training. How many ways
1 answer
asked by
Anonymous
1,766 views
a basketball player achieves a hang time of 0.996 s in dunking the ball. What vertical height will he attain?
1 answer
asked by
Anonymous
1,759 views
A 1.0 kg object is given a push along a horizontal surface. If the velocity of the object when it is released is 0.50 m/s west,
2 answers
asked by
Anonymous
1,680 views
Solar luminosity is estimated to have been 30% lower than today at the time when the solar system formed, 4.6 billion years ago.
1 answer
asked by
Set6
1,555 views
The stopping distance of a car traveling 25mph is 61.7ft, and for a car traveling 35mph it is 106ft. The stopping distance in
2 answers
asked by
Alyssa
1,551 views
The distance required for an emergency stop for a car varies directly as the square of the car’s speed. A car traveling at 50
3 answers
asked by
Elena
1,537 views
N2 was collected over water at 25 degrees C. The resulting pressure was 705 torr. The vapor pressure of water at 25 degrees C is
1 answer
asked by
Bianca
1,502 views
A rectangular garden 50 m long and 34 m wide is surrounded by a uniform dirt road. Find the width of the road if the total area
2 answers
asked by
Dimas
1,465 views
Solve the given equation. (Enter your answers as a comma-separated list. Let k be any integer. Round terms to two decimal places
1 answer
asked by
stellar
1,432 views
Solve the given equation. (Enter your answers as a comma-separated list. Let k be any integer. Round terms to three decimal
1 answer
asked by
stellar
1,393 views
28. A group of statistics students decided to conduct a survey at their university to find the average (mean) amount of time
1 answer
asked by
Steph
1,389 views
Hi,
I am having difficulty determining the answer for the following question: The market in which the assumption of continuous
0 answers
asked by
Anonymous
1,365 views
Lexi and Marie had $250 altogether. After Lexi spent 2/5 of her money and Marie spent $40, they had the same amount of money
2 answers
asked by
joyce
1,321 views
calculate the heat of combustion for the following reactions from the standard enthalpies of formation
2H2(g) + O2(g) = 2H2O(l)
1 answer
asked by
TROUBLED
1,319 views
The biochemical conversion of Glucose, C6H12O6, into pyruvic acid, C3H4O3, is an important step in the TCA (Kreb’s) cycle
0 answers
asked by
Tammy
1,267 views
The tropospheric lapse rate (the rate at which temperature decreases with altitude) is approximately 6°C per kilometer. Given
1 answer
asked by
Set6
1,235 views
as a hot air balloon rises vertically, its angle of elevation from point P on level ground 110 kilometers from th epoint Q
1 answer
asked by
sam
1,216 views
Explain how an individual can be a carrier for a oarticular disease yet not have the disase. Is this explanation true for all
1 answer
asked by
Kestrel
1,201 views
A cannon fires a shell at an angle of 20º to the horizontal. The shell reaches a range of 436 meters, landing at the same
1 answer
asked by
Anonymous
1,184 views
Disability insurance is designed to replace
A.damaged property B.loss or damage to property C.money damages awarded in a law suit
3 answers
asked by
Ciara
1,182 views
Solve the given equation. (Enter your answers as a comma-separated list. Let k be any integer. Round terms to two decimal places
1 answer
asked by
stellar
1,170 views
A block of mass m lies on a horizontal frictionless surface and is attached to one end of a horizontal spring (spring constant
0 answers
asked by
Anonymous
1,140 views
A solution with pH = 4 has
1. relatively high concentration of OH- 2. relatively low concentration of H3O+ 3. relatively high
3 answers
asked by
nan
1,139 views
Help of a Troublemaker
I remember when I was younger; I had an interesting captivation with younger children. The thought of
2 answers
asked by
derrica
1,094 views
How do I recognize or Identify fallacies within an argument? Thank you
0 answers
asked by
Sun29nc
1,039 views
1) what was the purpose of the first continental congress?
2) how did the events of 1776 move the colonists closer to
10 answers
asked by
Jackson
1,031 views
1. Many people know that the weight of an object varies on different planets, but did you know that the weight of an object on
1 answer
asked by
Algebra
1,023 views
What changes occur to the uterus during a female's monthly menstrual cycle?
What can be a hypothesis for this question? (Explain)
1 answer
asked by
M.
1,017 views
A solution with pH = 4 has
1. relatively high concentration of OH- 2. relatively low concentration of H3O+ 3. relatively high
2 answers
asked by
nan
1,014 views
Exponential Growth and Decay
Find the half-life of a radioactive substance that decays by 5% in 9 years.
1 answer
asked by
Josh
1,006 views
A 4kg block is sitting on the floor.
(a) How much potential energy does it have? (b) How much kinetic energy does it have? (c)
1 answer
asked by
Ali
979 views
you are traveling in your car at a velocity of 24.0 m/s east when you slam on your brakes. The force of friction on your car
1 answer
asked by
Anonymous
945 views
Suppose cars arrive at Burger King's drive-through at the rate of 20 cars every hour between 12:00 noon and 1:00 pm. A random
1 answer
asked by
Jake
920 views
Which of the following describes the slowest change on earth's surface?
A) Gravity pulls an area of wet soil and rock downward in
1 answer
asked by
Bob
906 views
john bought a bag, pai oh shoes ad a watch for $160 altogethe. the bag cost $15 more than the pair of shoes and the watch cost
1 answer
asked by
nick
884 views
A boat moves through the water with two
forces acting on it. One is a 2000 N forward push by the motor on the propeller, and the
1 answer
asked by
brain
879 views
An ice cube is melting such that the side of the cube is decreasing at the rate of 1/4 t^2 cm / min. It is given that the side
1 answer
asked by
Kelvin
879 views
Suppose cars arrive at Burger King's drive-through at the rate of 20 cars every hour between 12:00 noon and 1:00 pm. A random
0 answers
asked by
Emma
852 views
2 moles of aqueous Barium Nitrate is combined with 1 mole of aqueous Sodium Sulfate. Assuming 100% yield, what mass of Barium
1 answer
asked by
chelsy
847 views
I need some help on figureing out how to answer these problems please i have never done this type of math before thank you
Find
1 answer
asked by
Melissa Roberge
846 views
During a baseball game, a batter hits a popup to a fielder 81 m away.
The acceleration of gravity is 9.8 m/s 2 . If the ball
1 answer
asked by
Anonymous
837 views
The Andersons are buying a new home. They need to fence the yard because they have a dog. The yard is 72 ft. by 120 ft. Each
2 answers
asked by
alya
836 views
Suppose the business has total assets worth Rs. 450,000/- and total liabilities of Rs. 800,000/-.
Mr. Ali has the personal
3 answers
asked by
maham
835 views
Calculate the pH of a 0.10 M NaHX salt solution. Ka (H2X) = 2.1 x 10-2 Ka (HX-) = 4.5 x 10-8
Can someone explain the steps to do
1 answer
asked by
ellen
832 views
2.6 kg mass
initial velocity of v1 =aˆi, where a = 5.95 m/s collides with and sticks to a 1.59 kg mass with an initial velocity
1 answer
asked by
PLEASE PHYSICS HELP
789 views
find least common multiple of 6, 7, 8
prime factorization: (2^(3))(3)(7) = 168 I don't quite get how 3 was picked from 6. I think
1 answer
asked by
Amy
785 views
If g(x) is continuous for all real numbers and g(3) = -1, g(4) = 2, which of the following are necessarily true?
I. g(x) = 1 at
1 answer
asked by
Mishaka
775 views
What hanging mass will stretch a 2.2-m-long, 0.40 - diameter steel wire by 1.1 ?
1 answer
asked by
roadking
766 views
The highest barrier that a projectile can clear is 15.8 m, when the projectile is launched at an angle of 13.4° above the
1 answer
asked by
Nick
766 views
Amy needs 5.0 V for some integrated circuit experiments. She uses a 7.5 V battery and two resistors to make a voltage divider.
1 answer
asked by
Aimee
762 views
a truck rental company rents a truck for one day charging $29 plus $0.10 per mile. Write a linear equation that relates the cost
1 answer
asked by
beechst
747 views
A bomber flies horizontally with a speed of
367 m/s relative to the ground. The altitude of the bomber is 4020 m and the terrain
1 answer
asked by
Anonymous
741 views
In an acidic solution, why is the OH- concentration lower than it is in pure water?
1 answer
asked by
Sheryl
739 views
The illumination provided by a car’s headlight varies inversely as the square of the distance from the headlight. If a
2 answers
asked by
Elena
722 views
A 3.00 kg block starts from rest at the top of a 33.0° incline and slides 2.00 m down the incline in 1.75 s. Find the
1 answer
asked by
Johnna
719 views
An object that has a mass of 36.0 kg is pushed along a horizontal surface with a force of 85.0 N at 30 degrees. If the force of
1 answer
asked by
Anonymous
704 views
An executive drove from home at an average speed of 30 mph to an airport where a helicopter was waiting. The executive boarded
1 answer
asked by
Helo
692 views
4-3|m+2|>-14
0 answers
asked by
S
683 views
Which aspects of Napoleons life does H.G wells emphasize. What does the infomation about napoleon and what does it tell you
2 answers
asked by
Sarah
680 views
A car travleing at 30.6 mi/h on a horizontal highway. The acceleration of gravity is 9.8 m/s^2. If the coefficient of friction
1 answer
asked by
Anonymous
678 views
A 8.2 kg object undergoes an acceleration of
2.5 m/s2. What is the magnitude of the resultant force acting on it? Answer in units
1 answer
asked by
brain
670 views
STATISTICS PLEASE HELP!!!!! I am sorry this is jy second time posting, but I really need help. I have tried contacting my
0 answers
asked by
Jake
670 views
The equivalent weights of X and Y are _________ g/equiv. H+ and g/equiv. –OH, respectively, for the following reaction: Z
(Note
1 answer
asked by
Evani
668 views
A solution of volume 0.500 L contains 1.70g NH3 and 4.15g (NH4)2SO4. What is the pH of this solution?
Answer obtained was 9.76,
1 answer
asked by
Calvin
660 views
Statement: Five prominent Democratic senators support a new farm bill.
Assuming the above statement is true, what conclusions can
2 answers
asked by
Sun29nc
660 views
8 mL of 0.0100 M HCl are added to 22 mL of 0.0100 M acetic acid. What is the pH of the resulting solution?
1 answer
asked by
annie
656 views
reading titles and headings,and trying to get an overview of what lies ahead in reading passageis called
1 answer
asked by
Ali
656 views
A 10 m long frictionless ramp is inclined at an angle of 30 degress to the horizontal. A boy of mass 57 kg coasts down the
1 answer
asked by
Erin
652 views
PLEASE I REALLY NEED HELP !!! Do you think Napoleon brayed the french revolution when he became emperor. imagine that marat,
8 answers
asked by
Stephanie
643 views
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