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Amelie

Questions (32)

The height of a leaf above the ground after it falls from a tree is given by the formula s(t)=-3.8t^2+47.3, where time is given
1. 1 answer
2. 455 views
I need some help on doing the process of the following problem:A body falls freely from rest and half of his fall is done in the
1. 1 answer
2. 539 views
I am not asking for an answer, I´mjust requiring some help to understand the following problem: How are graphs of the functions
1. 1 answer
2. 382 views
What does the slope of a Kinetic Energy V.S Gravitational Potential Energy graph represent?I found 1 but I don't know what it
1. 3 answers
2. 1,991 views
8] Find the minimum stopping distance for a car moving at 108km/h if the coefficient of static friction between the tires and
1. 1 answer
2. 697 views
Find the minimum stopping distance for a car moving at 108km/h if the coefficient of static friction between the tires and road
1. 1 answer
2. 694 views
You observe someone pulling a block of mass 48 kg across a low-friction surface. While they pull a distance of 3.0 m in the
1. 0 answers
2. 826 views
You observe someone pulling a block of mass 48 kg across a low-friction surface. While they pull a distance of 3.0 m in the
1. 1 answer
2. 1,324 views
In the approximation that the Earth is a sphere of uniform density, it can be shown that the gravitational force it exerts on a
1. 1 answer
2. 1,361 views
n the approximation that the Earth is a sphere of uniform density, it can be shown that the gravitational force it exerts on a
1. 0 answers
2. 639 views
A hanging wire made out of titanium with diameter 0.080 cm is initially 2.3 m long. When a 78 kg mass is hung from it, the wire
1. 1 answer
2. 5,260 views
One mole of tungsten has a mass of 184 grams, and its density is 19.3 grams per cubic centimeter, so the center-to-center
1. 1 answer
2. 4,661 views
I am trying to simplify 24a^2/b^4 (the entire expression has a radical sign around it). I got 4a times the radical of 6a/b^4.
1. 1 answer
2. 567 views
I had to factor 5x^3-10x^2+43x-6. I got 5x(x^2+-2x)+3(x-2). My teacher said this was half right. What did I do wrong then? Thank
1. 4 answers
2. 550 views
I am unsure how to factor x^3-8. Could you please explain?
1. 3 answers
2. 452 views
On my quiz for (3x+2)^2, I wrote the answer as 21x=4. My teacher gave me a minus one, which meant it was half wrong. What is
1. 3 answers
2. 529 views
I'm trying to solve the problem: 6y-bracket 3y-(y+7)bracket. I got an answer of 4y-7 multiple times. However, my book said the
1. 1 answer
2. 502 views
I need to rationalize the denominator of 2/3 square root of five, (three being the index). My book suggests you should multiply
1. 1 answer
2. 652 views
My main problem is deciding with discrete distribution to use: BERNOULLI, BINOMIAL, DISCRETE UNIFORM, GEOMETRIC NEGATIVE
1. 2 answers
2. 797 views
MY MAIN PROBLEM IS FIGURING OUT WHAT DISCRETE DISTRIBUTION TO USE, BERNOULLI, BINOMIAL, DISCRETE UNIFORM, GEOMETRIC NEGATIVE
1. 4 answers
2. 929 views
MY MAIN PROBLEM IS FIGURING OUT WHAT DISCRETE DISTRIBUTION TO USE, BERNOULLI, BINOMIAL, DISCRETE UNIFORM, GEOMETRIC NEGATIVE
1. 0 answers
2. 633 views
two construction contracts are to be randomly assigned to one or more of 3 firms- I,II,III. A firm may receive more than one
1. 10 answers
2. 2,496 views
1.) An octave contains twelve different musical notes (in Western music). How many different eight note melodies can be
1. 9 answers
2. 742 views
1.) An octave contains twelve different musical notes (in Western music). How many different eight note melodies can be
1. 0 answers
2. 647 views
A fair coin is flipped three times. You win $5 every time the outcome is heads. Let the random variable X represent the total
1. 3 answers
2. 734 views
Widgets are produced at a certain factory by each of three machines A, B and C. These machines produce 1000, 600 and 400 widgets
1. 0 answers
2. 686 views
In a certain election, the incumbent Republican will run against the Democratic nominee. There are three Democratic candidates,
1. 1 answer
2. 674 views
An octave contains twelve different musical notes (in Western music). How many different eight note melodies can be constructed
1. 0 answers
2. 516 views
A certain pizza restaurant offers three different sizes of pizza and eight different toppings.How many distinct pizzas having
1. 3 answers
2. 1,126 views
If det(A)=-7A= | a b c | | d e f | | g h i | Find det(2A^-1), det((2A)^-1). Find | a g d | | b h e | | c i f |
1. 1 answer
2. 1,040 views
I'm having a hard time factoring polynomials, especially 3rd degree.-x^3+2x^2+4x-8 -x^3-5x^2+20x+12 I don't know how to begin. I
1. 1 answer
2. 614 views
Consider the following kinetic parameter for a given enzyme:Km=4.7x10-5 M Vmax= 22 nmol/min/mg [i]=5x10-1 mM [s]=2x10-4 M
1. 0 answers
2. 987 views

Answers (13)

Unit 3 Lesson 8 :) Quiz The Ninth and Tenth Amendments - 1. D 2. C 3. B 4. C 5. B 6. B 7 Do on your own in your own words ! * and i changed my name *
Forget it I already obtained the answer. Is 3.41 seconds, right?
Also, I know the rest energies would cancel out.
Oh, I forgot to add the negative sign with 3/7.
1. Get the inverse of each side in cos(θ)=-((3)/(7)). Cos^-1 (3/7) = theta. 2. From trig identities, we know sin2θ = 2sinθcosθ Substitute that in for sin2θ and just solve since you figured out θ in part 1 and you were given what cosθ equals, which
Dalton's Law states that the total pressure of a system is equal to the partial pressure of all the mixed gases. The equation looks like this. Ptotal = P1 + P2 + P3 + ... Assume that the temperature and volume is constant. When going to high altitudes, the
x^3+-448x?
Yes, it is supposed to be a three, not a fourty three.
I'm sorry I mistyped my answer. I said it was 21x+4. What is wrong with THIS answer? Thanks.
thank you damon
thank you drwls
posted twice, sorry
oh, now wasn't that simple, thank you reiny

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