(more complicated) Divide a negative fraction with a negative number?
I don't quite understand the division thing. Do I just have to imagine that each sign will be the opposite, or is that how you do it with a fraction like this?
I don't quite understand the division thing. Do I just have to imagine that each sign will be the opposite, or is that how you do it with a fraction like this?
I don't understand problem B). The solutions say "for reasons of symmetry," but that doesn't really help me understand it.
Hall together, I'm having trouble with the three tasks. I don't know how to proceed. I have the solution, but I still don't know how to proceed. Could you please help me?
I have a question about a problem from Atkins (p. 38). It involves volume work in a chemical reaction that produces a gas. Task : Calculate the work done when 50 g of iron filings react with HCl in an open vessel at 25 °C. Since volume work is performed, one can use the formula…
Hello, Is the st-diagram the same for both oblique and vertical throws? I'm just wondering if they would be drawn the same way. LG
Given are the points A(-3|-2|5), B(2|-3|3) and C, (k|-3|5). a) Calculate the perimeter of the triangle for k= -10. b) For what values of k is triangle ABC isosceles? Can it also be equilateral? Can you solve this problem for me?
Hey, could someone explain b) to me? that would be nice 🙂
-2 / (t + 1) = -1 – s
plus 1 on both sides:
(-2 / (t + 1)) + 1= -s
1 expand to the main user:
(-2 / (t + 1)) + ((t + 1) / (t + 1)) = -s
write on a broken line:
(-2 + t + 1) / (t + 1) = -s
summarize:
(t – 1) / (t + 1) = -s
with (-1) multiply:
(1 – t) / (t + 1) = s
Thank you