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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. 591 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. 510 views
Given that P(A)=2/9 what are the odds in favor of A occuring?
1. 2 answers
2. 429 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. 562 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. 1,278 views
can you please help me with$6.30 x 8.5% thanks!
1. 1 answer
2. 339 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. 1,026 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. 1,329 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. 544 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. 2,092 views
Can you please help me explain why a perfect square cannot be a prime #?Thanks!
1. 2 answers
2. 362 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. 862 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. 610 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. 3,420 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. 465 views
Find the derivative of y=xsin(2/x)? On web-assign everything that I have tried has been wrong.
1. 1 answer
2. 1,380 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. 814 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. 1,579 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. 493 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. 1,015 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. 428 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. 673 views
How come there are no x intercepts for x^2-x+(5/4)? Can you show me why, please?
1. 0 answers
2. 287 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. 317 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. 574 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. 457 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. 557 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. 566 views
If a/4=b/7, then a/b=?
1. 1 answer
2. 323 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. 494 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. 509 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. 537 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. 3,174 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. 621 views
how did geography affect the development of African kingdomes?
1. 0 answers
2. 491 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. 923 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. 436 views
Explain how the African European and the Native American cultures blended to form a latin american culture?
1. 1 answer
2. 556 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. 1,226 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. 430 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. 566 views
(h4) 4(-6x7) (-9x12) the answer is -63x 19
1. 1 answer
2. 509 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. 493 views
How can I support my thesis with compelling arguments and counterarguments?Here is my thesis statement? Although many coal
1. 2 answers
2. 821 views
y3-2y2- + 3y-4 for y+5(-9) (-9) (-9) m.m.m 7.a.a.b.b.b
1. 1 answer
2. 373 views
y3-2y2- + 3y-4 for y+5
1. 1 answer
2. 430 views
I need help with exponents-n6 for n=2
1. 2 answers
2. 315 views
How many hours 150 minutes for reading log? for times with reading log
1. 1 answer
2. 365 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. 966 views
What are the modifiers for the word flexible?
1. 1 answer
2. 409 views
Myth Literature Response Questions about Pandora's Box? I need help?!?
1. 6 answers
2. 369 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. 621 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. 539 views
What is the predominant type of intermolecular force in I2 (iodine)?
1. 1 answer
2. 1,283 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. 6,062 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. 882 views
how do you solve this?-2square root7-4square root7
1. 1 answer
2. 406 views
What is the society and environment of the coastal plains?
1. 1 answer
2. 422 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. 548 views
Why did the cowboys go west?
1. 1 answer
2. 421 views
did the railroad workers go west for job opportunities and technological advances?
1. 1 answer
2. 420 views
what are two reasoms why the railroad workers went west?
1. 3 answers
2. 428 views
Why did the miners move west? 2 reasons
1. 5 answers
2. 523 views
Evaluate the following limitlim x^2 + 3x - 40 x-->5 ------------- 3x + 10 - x^2
1. 1 answer
2. 473 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. 1,995 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. 858 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. 1,266 views
How did the rich Southern planters regain control in the south after the civil war?
1. 2 answers
2. 549 views
How did the rich southern planters regain control in the south after the civil war???
1. 5 answers
2. 509 views
How did congress try to counteract the Jim Crow Laws?
1. 3 answers
2. 603 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. 1,808 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. 4,425 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. 504 views
Solve for w: P=2L+2W
1. 2 answers
2. 395 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. 444 views
I love cyber chickens!!! Do you???
1. 2 answers
2. 482 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. 921 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. 1,302 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. 1,637 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. 2,219 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. 1,451 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. 1,439 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. 12,267 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. 1,097 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. 2,234 views
The diagonal of a square connects the points (8,-2) and (-1,-11). Find the perimeter of the square.
1. 1 answer
2. 432 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. 927 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. 1,601 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. 3,368 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. 579 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. 1,251 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. 2,040 views
HHHHHEEEEEELLLLLLLPPPPPPPP!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!Find the y intercepts of these please: 1. The slope is:
1. 0 answers
2. 1,098 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. 495 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. 563 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. 530 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. 723 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. 340 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. 571 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. 1,668 views

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