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Questions Asked on December 13, 2014

The overall probability of a student failing an exam is 40%. Calculate the probability that in a group of 6 students, at least 4
1. 6 answers
2. asked by susan
3. 11,698 views
April is training for a marathon by running no less than 55 km per week. She runs at an average rate of 10 km per hour. What is
1. 5 answers
2. asked by jasmine
3. 6,288 views
Use Bayes' theorem to solve this problem. A storeowner purchases stereos from two companies. From Company A, 550 stereos are
1. 2 answers
2. asked by Debbie
3. 5,156 views
1. Suppose there are two full bowls of cookies.Bowl #1 has 10 chocolate chip and 30 plain cookies, while bowl #2 has 20 of each.
1. 3 answers
2. asked by Debbie
3. 4,652 views
Find all values of t such that [t] =2t+3. If you find more than one value, then list the values you find in increasing order,
1. 5 answers
2. asked by Jake
3. 3,819 views
To find the amount A in an account after t years with principal P and an annual interest rate r compounded continuously, you can
1. 2 answers
2. asked by angie
3. 3,647 views
A regular hexagon with a perimeter of 24 units is inscribed in a circle. Find the radius of the circle.
1. 1 answer
2. asked by cyrus
3. 3,639 views
1. Which one of the following statements is an example of hearsay? "The report said the patient died on January 15." "I saw the
1. 1 answer
2. asked by Anonymous
3. 3,063 views
A 3.32 kg mud ball has a perfectly inelastic collision with a second mud ball that is initially at rest. The composite system
1. 1 answer
2. asked by Anonymous
3. 2,751 views
What are the human features of Niagara Falls?
1. 6 answers
2. asked by Suzie Salmon
3. 2,737 views
find the value of c that makes each trinomial a perfect square. then write the trinomial as a prefect square.x^2-10x+c x^2+60x+c
1. 3 answers
2. asked by Reina Bonilla
3. 2,716 views
Suppose 100 mL of NO at STP is mixed with 400 mL of O2 at STP.2 NO (g) + O2 (g)---> 2 NO2 (g) After the reaction goes to
1. 3 answers
2. asked by Anon
3. 2,671 views
Which one of the following steps can shield against discovery of an incident report?
1. 5 answers
2. asked by Anonymous
3. 2,578 views
Use differentials (or equivalently, a linear approximation) to approximate sin(27 degrees) as follows: Let f(x) = sin(x) and
1. 1 answer
2. asked by Anonymous
3. 2,557 views
Suppose that |a-b|+|b-c|+|c-a|=20. What is the maximum possible value of |a-b|?
1. 2 answers
2. asked by Matt
3. 2,474 views
The height in feet of a projectile with an initial velocity of 32 feet per second and an initial height of 48 feet is a function
1. 1 answer
2. asked by Barb
3. 2,437 views
A fence 12ft high runs parallel to a tall building at a distance of 2ft from the building. What is the length of the shortest
1. 1 answer
2. asked by Bob
3. 2,436 views
A survey found that women's heights are normally distributed with mean 63.5 in. and standard deviation 2.3 in. The survey also
1. 1 answer
2. asked by Kelli
3. 2,005 views
In a test of the effectiveness of garlic for lowering cholesterol, 47 subjects were treated with garlic in a processed tablet
1. 1 answer
2. asked by Jenny
3. 1,978 views
What does the photoelectric effect show about the connection between light and electrons?A. Light can remove electrons from
1. 2 answers
2. asked by Morgan
3. 1,962 views
Two cheeseburgers and one small order of French fries from a fast-food restaurant contain a total of 1120 calories. Three
1. 1 answer
2. asked by angie
3. 1,959 views
In four non collinear points , how many line segments can be drawn?
1. 2 answers
2. asked by Jumbo
3. 1,946 views
Red light has a wavelength of 700 nm and a frequency of 4.3 x 1014 s-1. What is the energy of a single photon of red light?A.
1. 3 answers
2. asked by Morgan
3. 1,941 views
1)If diagonals of a rhombus are 10 cm and 24 cm. find the area and perimeter of the rhombus.2)A regular hexagon with a perimeter
1. 3 answers
2. asked by cyrus
3. 1,915 views
a job pays a salary of $19,00 the first year. during the next 10 years the salary increases by 4% each year. what is the
1. 2 answers
2. asked by beth
3. 1,866 views
how many milliliters of 4 M h2so4 are needed to react completely with 23.7g of Bao2
1. 2 answers
2. asked by MJ
3. 1,862 views
Two carts with masses of 4.66 kg and 3.00 kg move toward each other on a frictionless track with speeds of 4.77 m/s and 3.33 m/s
1. 1 answer
2. asked by Anonymous
3. 1,730 views
5.6 lb/gal = oz/gal
1. 2 answers
2. asked by luke
3. 1,679 views
a vector parallel to the line of intersection of the planes. x-2y-z=6 and 3x-y+z=4the answer is <3,4,-5> so first, I took the
1. 2 answers
2. asked by sam
3. 1,667 views
Two objects of same material are travellingnear you. Object A is a 1.9 kg mass traveling 8 m/s; object B is a 2 kg mass
1. 1 answer
2. asked by Jackie
3. 1,607 views
A 283 g air track glider moving at 0.69 m/s on a 2.4 m long air track collides elastically with a 467 g glider at rest in the
1. 2 answers
2. asked by David
3. 1,449 views
Describe how the graphs of y = absolute value of x,and y = absolute value of X -15 are related.1- Them graphs have the same
1. 2 answers
2. asked by Steve
3. 1,412 views
why does a planet's orbital radius represents that planet's average distance from the sun and not its exact distance?
1. 1 answer
2. asked by Thi.
3. 1,370 views
Two isolated masses, M1 = 2.20 kg and M2 = 589 kg are initially rest, a distance d= 161 cm apart. Their gravitational attraction
1. 4 answers
2. asked by katherine
3. 1,313 views
what are two fractions both not positive who has a product of 5/8
1. 5 answers
2. asked by anon
3. 1,305 views
According to proponents of capital punishment, which of the following is a true statement?A. Capital punishment deters crime. B.
1. 3 answers
2. asked by Pat
3. 1,301 views
The concrete sections of a certain superhighway are designed to have a length of 26.0 m. The sections are poured and cured at
1. 0 answers
2. asked by Suha
3. 1,267 views
Ivan bought8 pounds of flour for $4 . How many pounds of flour did he get per dollar?
1. 2 answers
2. asked by Anonymous
3. 1,253 views
The fifth term of an arithmetic sequence is 11. If the difference between two consecutive terms is 1, what is the product of the
1. 2 answers
2. asked by Jake
3. 1,126 views
complete the equation for the linear function whose graph contains the points (2,5) and (3,0)y - ____ = _____(x -2) *fill in the
1. 2 answers
2. asked by Anonymous
3. 1,104 views
In a student experiment, a constant-volume gas thermometer is calibrated in dry ice (−78.5°C ) and in boiling pentane
1. 0 answers
2. asked by shawn
3. 1,081 views
Rock is thrown from the top of a building. The formula h=-16t+234 describes the height of the rock, h in feet, t seconds after
1. 3 answers
2. asked by MB
3. 1,067 views
A copper telephone wire has essentially no sag between poles 34.0 m apart on a winter day when the temperature is −20.0°C.
1. 1 answer
2. asked by anonymous
3. 1,049 views
A car is moving at 36 miles per hour. Thekinetic energy of that car is 5 × 105 J. How much energy does the same car have when
1. 1 answer
2. asked by Maya
3. 1,029 views
The pressure gauge on a tank registers the gauge pressure, which is the difference between the interior pressure and exterior
1. 2 answers
2. asked by shawn
3. 1,007 views
Write an equation for then translation of y = IXI
1. 3 answers
2. asked by Steve
3. 982 views
What does the graph y = - absolute value of X -4 look like.?
1. 2 answers
2. asked by Steve
3. 972 views
A sample of lead has a mass of 69.00 kg and a density of 1.130 104 kg/m3 at 0°C. (Assume the average linear expansion
1. 2 answers
2. asked by Meagan
3. 946 views
Expand and simplify: (5r - 6s + s2) (13r + 3s - 5s2)I got 65r^2-25rs^2+78rs+18s^2+3s^3+5s^4 but it's wrong?! Please correct me!
1. 2 answers
2. asked by Anonymous
3. 899 views
Word Bank : Popular Sovereignty, Republicanism, Federalism, Separation of Powers, Checks and Balances, Limited gov, Individual
1. 1 answer
2. asked by M
3. 897 views
What are the major events that happened in the precambrian era?
1. 4 answers
2. asked by dante
3. 891 views
How did Alexander the Great expand his empire and spread greek culture?
1. 1 answer
2. asked by Daniela
3. 878 views
A rectangular tank of 5 m long,4 m wide and 5 m high is filled with water to a depth 3 m. If a robot of volume 20 cubic metre is
1. 1 answer
2. asked by ddet
3. 862 views
A skydiver weighing 840 N opens his parachute at the appropriate height from the ground. The air exerts a significant upward
1. 1 answer
2. asked by mathew
3. 851 views
Determine the height and radius of cylinder of volume 512 cm3 which has the least total surface area
1. 1 answer
2. asked by saleh
3. 805 views
How did alexander encourage cultural diffusion within his empire?
1. 4 answers
2. asked by Daniela
3. 780 views
While a patient is having surgery, his doctor notices a small mole. The doctor doesn't think the mole is anything to worry
1. 2 answers
2. asked by Anonymous
3. 776 views
A midwestern music competition awarded 40 ribbons.The number of blue ribbons awarded was 2 less than the number of white
1. 1 answer
2. asked by Hicks
3. 776 views
Word box : Mercantilism Religious Freedom Magna Carta English Bill of Rights Mayflower Compact Fundamental Orders of Conneticut
1. 3 answers
2. asked by M
3. 763 views
The active element of a certain laser is made of a glass rod 29.0 cm long and 1.20 cm in diameter. Assume the average
1. 0 answers
2. asked by Lior
3. 744 views
Which term has the same numerical value for the forward reaction as it has for the reverse reaction, but with opposite sign?a.
1. 0 answers
2. asked by mona
3. 738 views
The Patient Self-Determination Act requires all hospitals that receive Medicare and Medicaid funding to
1. 1 answer
2. asked by Anonymous
3. 725 views
a car sounds its horn as it travels at a steady speed of 15m/s along a straight road between two observers x and y. the observer
1. 4 answers
2. asked by mevan
3. 719 views
A rigid tank contains 1.80 moles of an ideal gas. Determine the number of moles of gas that must be withdrawn from the tank to
1. 1 answer
2. asked by Meagan
3. 715 views
(A) find the domain of the function, (B) decide if the function is continuous, and (c) identify your horizontal and vertical
1. 1 answer
2. asked by Kelsi
3. 709 views
Word box : Common Sense, Northwest Territory Ordinance, The American Crisis, Land Ordinance of 1785, Shays Rebellion,
1. 1 answer
2. asked by M
3. 702 views
hi! The question is: a.)identify any horizontal and vertical asymptote and (b) identidify any holes in the graph. Verify your
1. 3 answers
2. asked by Kelsi
3. 702 views
Word Box : Declaration of Independence US Constitution articles of confederation Federalist Papers Bill of Rights Washingtons
1. 1 answer
2. asked by M
3. 695 views
A 5.6 g coin sliding to the right at 22.6 cm/s makes an elastic head-on collision with a 16.8 g coin that is initially at rest.
1. 1 answer
2. asked by Anonymous
3. 687 views
Explain parts of the stem structure in the lilac flower or a flower similar to the lilac flower
1. 6 answers
2. asked by katie
3. 679 views
Suppose that |a-b|+|b-c|+|c-d|+.......+|m-n|+|n-o|+............|x-y|+|y-z|+|z-a|=20. What is the maximum possible value of
1. 2 answers
2. asked by Matt
3. 678 views
How much of a 5.2M sucrose solution should you use to make 81.0mL of a 0.040M solution?
1. 1 answer
2. asked by Aleseva
3. 666 views
Gas is contained in a 6.00-L vessel at a temperature of 15.0°C and a pressure of 6.00 atm.(a) Determine the number of moles of
1. 3 answers
2. asked by Meagan
3. 665 views
A total of $22,000 is invested in two municipal bonds that pay 4.25% and 5.75% simple interest. The investor wants an annual
1. 1 answer
2. asked by angie
3. 657 views
Which diagram correctly represents this sentence? Andy teaches and plays the guitar
1. 1 answer
2. asked by John
3. 649 views
A 4.10 kg block is pushed along the ceiling with an constant applied force of F = 81.5 N that acts at an angle è = 52° with
1. 1 answer
2. asked by Anonymous
3. 649 views
A bullet of mass m= 2.50×10-2kg is fired along an incline and imbeds itself quickly into a block of wood of mass M= 1.60kg. The
1. 1 answer
2. asked by katherine
3. 648 views
In state-of-the-art vacuum systems, pressures as low as 1.00 10-9 Pa are being attained. Calculate the number of molecules in a
1. 1 answer
2. asked by shawn
3. 648 views
A tennis player places a 60 kg ball machine on a frictionless surface, as shown below. The machine fires a 0.057 kg tennis ball
1. 0 answers
2. asked by Anonymous
3. 647 views
I need help finding diagrams of the leaf structure, stem structure and root structure of a lilac flower with explanations. Sites
1. 1 answer
2. asked by kitty
3. 641 views
A small fast-food restaurant invests $4,000 to produce a new food item that will sell for $4.59. Each item can be produced for
1. 1 answer
2. asked by angie
3. 632 views
The branch of ethical theory that considers the origin and meaning of ethical principles is known as
1. 0 answers
2. asked by Anonymous
3. 631 views
An experiment is set up to test whether a particular insect prefer a dark or a bright environment. A chamber with a gradient in
1. 5 answers
2. asked by robert
3. 621 views
A hollow aluminum cylinder 22.5 cm deep has an internal capacity of 2.000 L at 16.0°C. It is completely filled with turpentine
1. 0 answers
2. asked by Lior
3. 612 views
In which unit is the wavelength of an electromagnetic wave commonly measured?A. J B. nm C. s–1 D. kg All most positive it is b
1. 1 answer
2. asked by Morgan
3. 609 views
Gas is confined in a tank at a pressure of 12.7 atm and a temperature of 22.0°C. If two-thirds of the gas is withdrawn and the
1. 1 answer
2. asked by Meagan
3. 608 views
One requirement of the business records exception to the hearsay rule is that the
1. 0 answers
2. asked by Anonymous
3. 602 views
You have an ear infection and are told to take a 200 mg tablet of ampicillin (a common antibiotic) four times a day (every six
1. 0 answers
2. asked by Anon
3. 601 views
Which type of normative ethics theory describes deciding to abort a woman's pregnancy to save the woman's life
1. 2 answers
2. asked by Anonymous
3. 598 views
Tell whether the each statement is sometimes, always or never true1) If n is zero then x^-n is 1 2) If n is negative integer
1. 2 answers
2. asked by Raj
3. 592 views
Word bank : Samuel Adams, Bejamin Franklin, King George III, Thomas Jefferson, Marquis de Lafayette, Baron Frederick von
1. 2 answers
2. asked by M
3. 587 views
An airplane with a speed of 27.4 m/s is climbing upward at an angle of 48° counterclockwise from the positive x axis. When the
1. 1 answer
2. asked by Prachi
3. 579 views
What is one type of information that must be reported to the NPDB?
1. 2 answers
2. asked by Anonymous
3. 570 views
444g mass vibrates according to the equation x = 0.348 sin (5.82 t) where x is in meters and t is in seconds. Determine the
1. 1 answer
2. asked by katherine
3. 569 views
1.The perimeter of parallelogram QUAD is 10 more than 5 times AU. If QU =26 cm. find AU2.If diagonals of a rhombus are 10 cm and
1. 1 answer
2. asked by cyrus
3. 568 views
which of the following was true of the age of reason? a. people justified their faith using scientific principles b. people
1. 1 answer
2. asked by mr. tony
3. 562 views
Res ipsa loquitur means that the burden of proof
1. 1 answer
2. asked by Anonymous
3. 562 views
The second and ninth terms of an arithmetic sequence are 2 and 30 respectively. What is the fiftieth term.
1. 2 answers
2. asked by Matt
3. 554 views
Annual deposits of $3150 are made into a bank account earning 4 % interest per year.(a) What is the balance in the account right
1. 0 answers
2. asked by Anonymous
3. 551 views
What is one type of information that must be reported to the NPDB
1. 1 answer
2. asked by Anonymous
3. 551 views

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