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Derek

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1 mol of an ideal gas expands under isothermal conditions (T=298.15K). The initial pressure and volume is 2.00 atm and 1.00L
1. 1 answer
2. 581 views
1 mol of an ideal gas expands under isothermal conditions (T=298.15K). The initial pressure and volume is 2.00 atm and 1.00L
1. 0 answers
2. 579 views
The Lump Sum Principle In the 1980s Margaret Thatcherwas the British Prime Minister. She was very popular and e ective until she
1. 1 answer
2. 732 views
A ball is thrown vertically upward with an initial speed of 20 m/s. Two seconds later, a stone is thrown vertically (from the
1. 1 answer
2. 6,140 views
solve each of the following equations by the square root method and show your work4x²-20=0
1. 0 answers
2. 481 views
solve each of the folowing equations by factoring and show your workx²+x²=13x²-36
1. 0 answers
2. 368 views
solve each of the folowing equations by factoring and show your workx²+x²=13x²-36
1. 4 answers
2. 438 views
solve each of the following equations by factoring and show your work12x² + 15x + 10= -10x -2
1. 1 answer
2. 514 views
solve each of the following equations by completing the square and show your workx² + 6x + 24=0
1. 1 answer
2. 584 views
solve each of the following equations by completing the square and show ur workx²-4x=32
1. 1 answer
2. 456 views
solve each of the following equations by the square root method and show your work(3x + 2)²=8
1. 1 answer
2. 466 views
solve each of the following equations by the square root method and show your work4x²-20=0
1. 2 answers
2. 990 views
Hey! So, I was wondering if someone could answer this. I am mad studying for my exam and I still have a few questions left that
1. 1 answer
2. 744 views
1. Use calculus and algebraic methods to do a complete analysis (i.e., intercepts, critical points, intervals of increase and
1. 3 answers
2. 1,011 views
So, I haven't posted in a while...but now I am stummped! Only question I can't get today!A team of students seeks to make a flag
1. 2 answers
2. 1,134 views
What function would have a derivative of ƒ′(x) = 12x2 + 4x − 10? Explain how you arrived at your answer...I believe the
1. 1 answer
2. 1,042 views
How do I deal with square roots and derivatives? Like: f(x)= Sqrtx....the derivative. find
1. 1 answer
2. 778 views
What is the derivative of this: not sure because of the pi....f(x)=x^pi Thanls.
1. 1 answer
2. 335 views
For the decomposition of Carbon 14, find the age of a prehistoric cave painting discovered in the Lascaux Caves in southern
1. 2 answers
2. 2,679 views
Using calculus: If you invest $5000 compounded continuously at 4% p.a. how much will this investment be worth in 5 years? I am
1. 3 answers
2. 889 views
For the function ƒ(x) = x^3 - 8x + 3, calculate where a = 5 and h = 2. Simplify before substitution (the simplifying is where I
1. 3 answers
2. 500 views
verify that lim h>0 (e^x+h -e^h)/h=e^x and explain how this illustrates that ƒ′(x) = ln e • ƒ(x) = ƒ(x)... The notes for
1. 0 answers
2. 462 views
Determine the interaction of the line of intersection of the planes x + y - z = 1 and 3x + y + z = 3 with the line of
1. 1 answer
2. 1,578 views
this can be done by projections of two vector.recall that the scalar projection of vector b on vector a is a∙b/│a│ so
1. 1 answer
2. 734 views
Wow, so it is late and I can't think! How do I put this into scalar form: r=(6,0,1) + t(3,1,2)? thanks!
1. 3 answers
2. 352 views
Use normal vectors to determine the intersection, if any, for each of the following groups of three planes. Give a geometric
1. 1 answer
2. 709 views
Use normal vectors to determine the intersection, if any, for each of the following groups of three planes. Give a geometric
1. 1 answer
2. 1,018 views
I am so confused with this last part of the unit! What in the world is going on: Use normal vectors to determine the
1. 2 answers
2. 1,589 views
Hey, I just wanted to say a HUGE THANKS to everyone on this website for helping me out so far with calculus. I am actually
1. 2 answers
2. 473 views
Determine the value of k so that the line with parametric equations x = 2 + 3t, y = -2 + 5t, z = k is parallel to the plane with
1. 4 answers
2. 2,339 views
An air ambulance is travelling from Barrie to Toronto. Toronto is located 90 km [S5°E] of Barrie. If the wind is blowing from
1. 2 answers
2. 1,621 views
I don't know how to answer this: A vector can be used to represent the path of a drill tip used to bore a deep mine shaft in
1. 1 answer
2. 546 views
Determine vector, parametric and, if possible, symmetric equations for the line through Q(2, -1, 3) and the mid-point of the
1. 0 answers
2. 639 views
Verify using an example that a + ( b• c) = (a •b ) +c ? Explain your reasoning. I have been over this a thousand times and I
1. 2 answers
2. 462 views
Any ideas on how to solve this: Use a vector solution to show that a scalar equation for the line through the points P1(x1, y1)
1. 1 answer
2. 976 views
Determine a vector equation for the line through the points (-1, 4) and (2, -1).I said: r= (-1,4) + (4,-5), tER, is that
1. 3 answers
2. 745 views
So, yet again, I am confused! State whether or not the following statements are true. Justify your reasoning.a). a• ( b+c ) =
1. 1 answer
2. 542 views
An air ambulance is travelling from Barrie to Toronto. Toronto is located 90 km [S5°E] of Barrie. If the wind is blowing from
1. 7 answers
2. 4,338 views
What does this mean? For any vector Vector a find Vector a × Vector a. Explain why (this is cross product stuff). Thanks
1. 1 answer
2. 1,266 views
I am asked this: How can you do the cross product of two-dimensional vectors. Well I would have to guess that you just add a 0
1. 5 answers
2. 743 views
I cant get the correct answer and I can't figure out what I am doing wrong. If a=(2,2k) and b=(4,k) are perpendicular, find k. I
1. 3 answers
2. 505 views
A force of magnitude 15 N is the resultant of two forces, one of which has a magnitude of 8 N and acts at an angle of 30° to
1. 1 answer
2. 725 views
Add these two vectors: I used component law, and I got an answer, but I am unsure as to how to do the direction at the end. Add:
1. 2 answers
2. 690 views
A force of magnitude 15 N is the resultant of two forces, one of which has a magnitude of 8 N and acts at an angle of 30° to
1. 6 answers
2. 3,358 views
Add these two vectors: I used component law, and I got an answer, but I am unsure as to how to do the direction at the end. Add:
1. 1 answer
2. 543 views
Another one for you :P, add these two vectors using trigonometry (again)... 9N[S2W] and 11N[N31W]...Again, I am confused about
1. 0 answers
2. 630 views
Add the following vectors , 7m/s [N30E] and 2m/s [S17E], using trigonometry. Once you draw these out into diagrams, you use the
1. 1 answer
2. 808 views
What is the ABCs of healthful living
1. 2 answers
2. 527 views
How do I know if a syllable is stressed or unstressed?
1. 4 answers
2. 1,082 views
I have the following marathon problem but am unsure where to start:A Sample consisting of 22.7g of nongaseous, unstable compound
1. 1 answer
2. 1,294 views
I have the following marathon problem but am unsure where to start:A Sample consisting of 22.7g of nongaseous, unstable compound
1. 1 answer
2. 643 views
What happened in FLorida in 1909?http://www.fws.gov/policy/029fw3.html
1. 1 answer
2. 420 views
what are the properties of a solid - this is for 5th gradethe state in which a substance has no tendency to flow under moderate
1. 0 answers
2. 723 views
what is a the soild material in a solution called?It is called the solute; however, there are many solutions in which no solid
1. 0 answers
2. 466 views
In the DNA helix, a ________ (a bicylic nitrogenous base) is always paired with a __________, (a moncyclic nitrogenous base).
1. 0 answers
2. 598 views

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