Mathematics

Task bracket invoice?

ByUmbau1899 February 13, 2025February 25, 2025

Hello, I think I'm confused, the brackets are set in a) 50:(5+5)=5?

(2 votes)

Physics

Physics question/task?

ByWillowTape November 3, 2024February 25, 2025

I'm being too stupid. Do you have any suggestions?

Mathematics

What scale does this give?

ByIvlyone April 29, 2024February 27, 2025

What is the scale given a diameter of 1275 km and a radius of 2.10 m for a sphere? 1:60000000, 1:6000000, or 1:600000? How would one have calculated it using the rule of three, or is it even possible to work with the rule of three?

Mathematics

For a^2+b^2=c^2 there are possible integer occupations, for a^3+b^3=c^3 there are not, what about a^2+a^2=b^2 or a^3+a^3=b^3, or with a^2+a^2=b^3?

ByUnbiquadium December 21, 2024February 25, 2025

Mathematics

Inclusion and exclusion?

ByFrancisco1234 June 14, 2024February 27, 2025

Hey people! I'm faced with this problem, and I've solved it several times. Sometimes I get 16, 18, or 36, but the only plausible solution is this. Can someone tell me if it is correct? I hope my writing is clear!

Office & office applications

Excel – Can the file creator explicitly track when the file password is changed?

ByiAmMel May 10, 2024February 25, 2025

In the settings it says something like: Last change made by: … … But a change can mean anything in the Excel file. Is it possible to track exactly whether and who last changed the password? The password remains the same, by the way.

Physics