Top answers

What does Pythagoras's theorem state?

It states that for a right-angle triangle, the square of the hypotenuse equals the sum of the squares of the other sides. So if a denotes the hypotenuse, a^2 = b^2 + c^2.
RV
Answered by Rohan V. • Maths tutor
5210 Views

For a vehicule with a constant acceleration (5 m/s^2) starting at rest, how long would it take to travel 1 km?

as the acceleration is constant, to travel 1km=1000m, we use 1000 m =(1/2) (5 m/s^2) t^2, so t=sqrt(2 1000/5)=20 seconds
DR
Answered by David R. • Physics tutor
2742 Views

What organelles can be found in a plant cell but not an animal cell?

Only plant cells have a cell wall, vacuole, chloroplasts. Both plant and animal cells have a cytoplasm, cell membrane, mitochondria, nucleus, ribosomes and chromosomes.
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Answered by Fae R. • Biology tutor
79752 Views

Why might ethnic minority migrants concentrate in the inner-city center? [4 marks]

Ethnic minority migrants often concentrate in the city center upon first settling in a new city due to the presence of cheaper housing usually found in these areas; migrants are often found to have relativel...
LK
Answered by Laura K. • Geography tutor
3320 Views

How do you factorise a quadratic? Something like x^2 + 4x + 3

When factorising a quadratic the idea is to separate it into two brackets, so first, I usually write out the empty brackets like this; (x___)(x___) You then need to think of numbers that you can put in those...
JA
Answered by Jordan A. • Maths tutor
3956 Views