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Krys
Questions (14)
Joanne and Ed Greenwood built a new barn with an attached arena. To finance the loan, they paid $1,322 interest on $47,300 at
2 answers
453 views
is four, fine salt, and sugar pure substances or mixtures? i know that you have to combine some elements to get them, but i want
3 answers
599 views
So I have to find the % by mass of an unknown metal that reacted with HCl to create MCl2 (with the M being unknown). Then I need
2 answers
1,092 views
A truck with a mass of 2200 kg, moving at 31 m/s (69 mph), crashes into an immovable wall. It crumples; after the collision, the
0 answers
535 views
Mary is y years old.
Write an algebraic expression in terms of y for the age of A) her brother, who is 4 years older. B) her
3 answers
1,458 views
6(3+2s) + 4(s + 8) =
1 answer
296 views
Everyday Ms. Twinkle walks around a park near her house. The park is in the shape of rectangle 2 mi long and 1 3/10 mi wide. How
1 answer
1,471 views
What is 2/3 * 5/6 * 14 =
Simplify if necessary
1 answer
463 views
1. What is the value of the equilibrium constant for the reaction occurring in the cell shown below at 298 K?
Ag(s) | Ag+(aq, 1
1 answer
525 views
To determine the value of ÄG°f(AgI2–(aq)), a researcher measured the concentrations at equilibrium to be: [I3–]eq = 4.07 M
0 answers
469 views
I am confused about how to claculate half lives. Can you explain. ( How much of a 400 gm sample od gold is left after 10.8 days
5 answers
622 views
Consider a situation in which your car, when coasting down a straight downhill road, acquires a constant velocity.
In this
1 answer
1,003 views
I am in dire need of assistance. Can anyone tell me the forumula/solution to transforming inqualities into equivalent
3 answers
534 views
Look up or derive the frequencies of the standing waves of a length of wire, L, clamped at the ends and under tension.
What are
0 answers
603 views
Answers (10)
exact interest
I'm thinking they are pure substances, but wanted to check
Thanks for the clarification and confirming my assumption. I'll be sure to use accurate values in the calculation.
Whoops, sorry about that. It does seem like you still wind up with 1/0. Hmm... let's see when you graph it it looks like it's approaching -infinity so that's probably why you keep winding up with 1/0 since that will give you infinity technically. Also, I
Use L'hopitals rule to find the limit. If you take the derivative of the top, and the derivative of the bottom derivative of lnx = (1/x) and the derivative of x = 1 You should be able to eliminate your problem with the 0.
= (3*6+2s*6)+ 4(s+8) = (18+12s) + 4(8+s) = 18 + 12s +(8 * 4 + s *4) = 18+12s + (32 + 4s) =18+32 + 12s + 4s = 18 +32=50 = 12s+4s= 16s = 2(25+8s) Is my answer right? Thanks
sqrt (130^2 + 4500^2) = 4501.8 N tan(angle) (4500.0/130.0)
-3674 as stated in Newton's Third Law of Motion
2.7 days.. so the answer is 25 g ?
Oh, okay. Well, I've seen this before: 2x + 3y > 0
