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IHK math tasks?
ByBebaben
Good morning, What is the result of: 3 lamps burn for 5 hours and cost 11€ per month How much do 5 lamps with 6.5 hours cost per month? Thanks
Need help?
In task 3 d Can anyone help me?
How can you calculate a locus without a point?
ByEle32
Can someone explain the following problem to me? I can't think of a solution. Thank you!
why larger/smaller with antisymmetry?
When it comes to antisymmetry of relations, why don't we simply say "If A = B and B = A," then they are the same element, and how is that different from reflexivity? And if A < B and B < A are sufficient to assert antisymmetry, then what is equality in mathematics anyway?
How do I determine the average slope at point x of a function?
ByRube96
Good day, given: f(x)=-x⁴+2x³+0.5 Wanted: x1: 1.5 and x2: 2 I first derived the function to f'(x)=-4x³+6x² Is -4(h+2)³+6(h+2)²-(-4x³+6x²) / h the right approach? If so, do I have to multiply out the brackets using the binomial formula? But then what? I would be happy to receive help and suggestions for solutions!
Commutative law: two variables?
What is the formula for the following: Commutative law, multiplication, two variables, positive Formula: ??? The task would be, 2a ⋅ 5ab = 5ab ⋅ 2a e.g. Commutative law, addition, two numbers, both positive: Formula: a + b = b + a
see:
https://www.youtube.com/watch?v=GJIhJAtnLn8
Thank you.