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Erin

Questions (404)

CheckPoint: Calculating Fixed Costs, Variable Costs, and Break-Even Point for a Program· Calculate the fixed cost, variable
1. 2 answers
2. 574 views
If a two card hand is dealt from a well-shuffled deck of 52 cards, what is the probability that the hand contains two kings?
1. 1 answer
2. 490 views
Given that P(A)=2/9 what are the odds in favor of A occuring?
1. 2 answers
2. 406 views
There are four forecasting techniques described in the text. Briefly describe the merits of each one and identify the one you
1. 2 answers
2. 548 views
At a particular temperature, K = 3.75 for the following reaction.SO2(g) + NO2(g) SO3(g) + NO(g) If all four gases had initial
1. 2 answers
2. 1,264 views
can you please help me with$6.30 x 8.5% thanks!
1. 1 answer
2. 330 views
Find the pH of a mixture of .150 M HF(aq) solution and 0.100 M HClO2(aq)HF + H2O <--> F- + H3O+ Ka= 3.5*10^-4 So I will show my
1. 1 answer
2. 1,014 views
Calculate the solubility of silver iodide in a 1.0 M sodium cyanide solution.Ksp = 8.5 x 10^-17 for AgI Kform = 2.5 x 10^5 for
1. 0 answers
2. 1,305 views
What has 4 equal sides, and both paris of opposite sides are parallel but it dose not contain a right angle?
1. 1 answer
2. 523 views
A piece of plexiglass is in the shape of a semi-circle with radius 2m. Determine the dimensions of the rectangle with the
1. 1 answer
2. 2,076 views
Can you please help me explain why a perfect square cannot be a prime #?Thanks!
1. 2 answers
2. 347 views
During a particular thunderstorm, the electric potential difference between a cloud and the ground is Vcloud - Vground = 4.3 108
1. 2 answers
2. 838 views
Find the number c that satisfies the conclusion of the Mean Value Theorem.f(x) = x/(x + 4) [1, 8]
1. 0 answers
2. 593 views
An alpha particle (mass 6.6 x 10^-24 grams) emitted by radium travels at 3.4 x 10^7 plus or minus 0.1 x 10^7 mi/h.(a) What is
1. 3 answers
2. 3,399 views
How would I write this out?The high temp for a day is 6 degrees C. The mean temp for the day, which is the mean of the high and
1. 1 answer
2. 440 views
Find the derivative of y=xsin(2/x)? On web-assign everything that I have tried has been wrong.
1. 1 answer
2. 1,368 views
When an air capacitor with a capacitance of 300 nF (1 {\rm nF} = 10^{-9}\;{\rm F}) is connected to a power supply, the energy
1. 1 answer
2. 796 views
A solid cylinder (radius = 0.170 m, height = 0.150 m) has a mass of 7.00 kg. This cylinder is floating in water. Then oil (ñ =
1. 1 answer
2. 1,562 views
I can't find any of the answers in the book, could you please help?1. The landform occupying the center of the triangle that
1. 1 answer
2. 481 views
I'm not sure how to factor 3x^3-12x^2+3x. I tried separatring the 3x so that 3x(x+1)(x-4, but I got -3x^3+-12x^2-3x^2+12x. Can
1. 1 answer
2. 998 views
Is a function with a fraction (1/4) an even or an odd function? Or can fractions be neither even or odd? I have to declare one
1. 0 answers
2. 417 views
I have to find the standard form of a quadratic function with the vertex of -1,4 and x intercepts of -3,0 and 1,0. What do I do
1. 1 answer
2. 640 views
How come there are no x intercepts for x^2-x+(5/4)? Can you show me why, please?
1. 0 answers
2. 281 views
When using -b/2a with functions, should I ignore the negative, figure out b/2a and then put a negative around it? Or should I
1. 0 answers
2. 305 views
27-f(x)=1/4x^2-2x-12. Can you show me how to find the vertex and x intercepts, step-by-step? I tried to put it in standard form,
1. 2 answers
2. 550 views
I have to find the vertex, axis of symmetry, and x intercepts of x^2-x+(5/4). I put it in standard form as -(x+-.5)^2+1.5. Thus,
1. 2 answers
2. 448 views
17-Identify the vertex, axis of symmetry and x-intercept(s) of F(x)=(x+5)^2-6. I have no idea how the x intercepts are -5 +/-
1. 1 answer
2. 546 views
I tried googling this, but I couldn't find it. What is the name of the journalist (who was either British or American...I can't
1. 1 answer
2. 550 views
If a/4=b/7, then a/b=?
1. 1 answer
2. 311 views
How many grams of sodium carbonate is required for a complete reaction with 1.00g of calcium chloride dihydrate? Help!
1. 0 answers
2. 475 views
How many grams of sodium carbonate is required for a complete reaction with 1.00g of calcium chloride dihydrate? Help!
1. 0 answers
2. 490 views
How many grams of sodium carbonate is required to have a complete reaction with 1.00g of calcium chloride dihydrate? I can't
1. 3 answers
2. 522 views
Liz rushes down onto a subway platform to find her train already departing. She stops and watches the cars go by. Each car is
1. 2 answers
2. 3,152 views
A motorist travels at a constant speed of 34.0 m/s through a school zone; exceeding the posted speed limit. A policeman, waits
1. 1 answer
2. 600 views
how did geography affect the development of African kingdomes?
1. 0 answers
2. 482 views
Given f(x) = x ^ 3 - x ^ 2 -4x +4Find the zeros of f. Write an equation of the line tangent to the graph of f at x = -1 The
1. 3 answers
2. 899 views
Guess my rule? Write a funtion for the function.Input 6 7 8 9 Output 5 5.5 6 6.5
1. 1 answer
2. 428 views
Explain how the African European and the Native American cultures blended to form a latin american culture?
1. 1 answer
2. 547 views
I am having trouble writing a topical outline and expanding it to a sentence for this paper:Marie Curie is best known as the
1. 1 answer
2. 1,213 views
Divide 30 by half and add 10. What do you get? I think it is 70, but my friend disagrees. He thinks it's 12.
1. 6 answers
2. 405 views
There is a circle that is cut in three slices one slice is (in fractions) 1/3 and one slice is 1/5. What fraction is the other
1. 3 answers
2. 558 views
(h4) 4(-6x7) (-9x12) the answer is -63x 19
1. 1 answer
2. 497 views
Secret Pal Surprises Characters and Setting?It is for my book report. Please tell me the characters (behavioral description) and
1. 3 answers
2. 479 views
How can I support my thesis with compelling arguments and counterarguments?Here is my thesis statement? Although many coal
1. 2 answers
2. 807 views
y3-2y2- + 3y-4 for y+5(-9) (-9) (-9) m.m.m 7.a.a.b.b.b
1. 1 answer
2. 368 views
y3-2y2- + 3y-4 for y+5
1. 1 answer
2. 423 views
I need help with exponents-n6 for n=2
1. 2 answers
2. 306 views
How many hours 150 minutes for reading log? for times with reading log
1. 1 answer
2. 354 views
You must be at least 48 inches tall to ride an amusement park ride, and your little sister is 30 inches tall. How many
1. 4 answers
2. 946 views
What are the modifiers for the word flexible?
1. 1 answer
2. 398 views
Myth Literature Response Questions about Pandora's Box? I need help?!?
1. 6 answers
2. 360 views
are you good with times? I am struggling with studying with times sohelp me: The first walker to finish the 12 miles crossed the
1. 2 answers
2. 601 views
If 60 g water is evaporated from the solution at the same time as the temperature is reduced from 25.0 to 0.0 degree celsius,
1. 5 answers
2. 528 views
What is the predominant type of intermolecular force in I2 (iodine)?
1. 1 answer
2. 1,258 views
What is the millimolar solubility of oxygen gas,O2, in water at 20 degree celsius, if the pressure of oxygen is 1.00atm?
1. 4 answers
2. 6,031 views
I just cannot seem to be able to grasp the concept of solving polynomial inequalities. Can someone please explain, step by step,
1. 4 answers
2. 863 views
how do you solve this?-2square root7-4square root7
1. 1 answer
2. 391 views
What is the society and environment of the coastal plains?
1. 1 answer
2. 416 views
what is a summary of observed behavior? maybe im thinking about it too much and its simple but im lost! HELP
1. 4 answers
2. 535 views
Why did the cowboys go west?
1. 1 answer
2. 414 views
did the railroad workers go west for job opportunities and technological advances?
1. 1 answer
2. 415 views
what are two reasoms why the railroad workers went west?
1. 3 answers
2. 416 views
Why did the miners move west? 2 reasons
1. 5 answers
2. 512 views
Evaluate the following limitlim x^2 + 3x - 40 x-->5 ------------- 3x + 10 - x^2
1. 1 answer
2. 462 views
Consider the following reaction:2HBr(g)---> H_2(g) + Br_2(g) B)In the first 15.0s of this reaction, the concentration of HBr
1. 1 answer
2. 1,972 views
A closed surface encloses a net charge of 0.00000210 C. What is the net electric flux through the surface?
1. 1 answer
2. 837 views
A point charge of -4.00nC is at the origin, and a second point charge of 6.00nC is on the axis at x = 0.800m . Find the
1. 1 answer
2. 1,244 views
How did the rich Southern planters regain control in the south after the civil war?
1. 2 answers
2. 539 views
How did the rich southern planters regain control in the south after the civil war???
1. 5 answers
2. 503 views
How did congress try to counteract the Jim Crow Laws?
1. 3 answers
2. 593 views
Benzene has a heat of vaporization of 30.72kJ/mol and a normal boiling point of 80.1 degrees C. At what temperature does benzene
1. 2 answers
2. 1,785 views
Calculate the amount of heat required to completely sublime 24.0 g of solid dry ice CO_2 at its sublimation temperature. The
1. 2 answers
2. 4,400 views
Calculate the electrical attraction that a proton in a nucleus exerts on an orbiting electron if the two particles are
1. 4 answers
2. 488 views
Solve for w: P=2L+2W
1. 2 answers
2. 384 views
If you are writing a number sentence based on a given word problem do you include the clarrifying words or just the numbers?
1. 1 answer
2. 425 views
I love cyber chickens!!! Do you???
1. 2 answers
2. 468 views
According to one set of measurements, the tensile strength of hair is 196 MPa, which produces a maximum strain of 0.400 in the
1. 0 answers
2. 902 views
If a vibrating system has total energy Eo , what will its total energy be (in terms of Eo) if you double the amplitude of
1. 1 answer
2. 1,290 views
It is reasonable to assume that the bulk modulus of blood is about the same as that of water (2.20 GPa). As one goes deeper and
1. 1 answer
2. 1,615 views
A thin, light string is wrapped around the rim of a 4.00kg solid uniform disk that is 30.0cm in diameter. A person pulls on the
1. 1 answer
2. 2,185 views
A woman with mass 50.0kg is standing on the rim of a large disk that is rotating at 0.500rev/s about an axis perpendicular to it
1. 1 answer
2. 1,432 views
A woman with mass 50.0kg is standing on the rim of a large disk that is rotating at 0.500rev/s about an axis perpendicular to it
1. 2 answers
2. 1,425 views
The outstretched hands and arms of a figure skater preparing for a spin can be considered a slender rod pivoting about an axis
1. 3 answers
2. 12,234 views
In the figure, forces A, B, C and D each have magnitude 50.0 N and act at the same point on the object. What torque (magnitude
1. 1 answer
2. 1,078 views
A solid uniform marble and a block of ice, each with the same mass, start from rest at the same height above the bottom of a
1. 2 answers
2. 2,216 views
The diagonal of a square connects the points (8,-2) and (-1,-11). Find the perimeter of the square.
1. 1 answer
2. 415 views
An 8.00kg package in a mail-sorting room slides 2.00 m down a chute that is inclined at 53.0 degrees below the horizontal. The
1. 1 answer
2. 900 views
In a rescue, the 64.0 kg police officer is suspended by two cables,the cable on the left made a 35 degree angle, the rope on the
1. 1 answer
2. 1,577 views
A tetherball leans against the smooth, frictionless post to which it is attached.The string is attached to the ball such that a
1. 2 answers
2. 3,346 views
The world record for the discus throw is 74.08m , set by Jürgen Schult in 1986.If he had been competing, not on earth, but on
1. 1 answer
2. 564 views
The world record for the discus throw is 74.08m , set by Jürgen Schult in 1986.If he had been competing, not on earth, but on
1. 1 answer
2. 1,238 views
A balloon carrying a basket is descending at a constant velocity of 20.0 m/s. A person in the basket throws a stone with an
1. 1 answer
2. 2,020 views
HHHHHEEEEEELLLLLLLPPPPPPPP!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!Find the y intercepts of these please: 1. The slope is:
1. 0 answers
2. 1,076 views
What type of coorelation does this haved) a middle school student's weight and height from birth to present--- NO COORELATIONA
1. 0 answers
2. 479 views
Has anyone ever done a project on Macroeconomics in the Middle Earth? (based on Lord of the Rings?)I need help NOW! What a
1. 0 answers
2. 540 views
When you have4xy^3 * 2x^2y * 5xy^2 Would you add the first number and then add the powers? 11x^4y^6 ??? Thank you multiply,
1. 0 answers
2. 511 views
How would you rewrite the equation y = 3x+1 as a function of x.Hmmm. It is written now as a function of x. Do you mean like
1. 0 answers
2. 698 views
Given f(x) = -5x-1, find f(a-1).Would this be -5a+5-1? Yes, you have it. What grade are you in?
1. 0 answers
2. 326 views
What is the gtravitational potential energy of a 2.00e3 kg staellite that is in an orbit that has a radius of 9.90e6 m around
1. 0 answers
2. 556 views
1. Which of the following statements regarding the use of pastels with other mediums is true?A. Pastels should never be used for
1. 1 answer
2. 1,646 views

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