Mathematics · May / June 2023 · Paper 22 · Question 19
0580
As printed in the paper
The question as text
m is inversely proportional to the square of ( ) t 2 + . . m 0 64 = when t 3 = . Find m when t 8 = . m = [3]
Read automatically from the paper; the printed page above is exact.
Show the answer and mark scheme
0.16 oe [3]
k m =
M1 for oe ( ) + 2 t 2 their k =
M1 for substituting their k into m ( ) + 2 8 2 OR
M2 for 0.64 × (3 + 2)2 = m(8 + 2)2 oe
Make a free account to save your answers and see your weak topics and ask the AI why a wrong answer is wrong.