y = x2 - 2x + 10
This is a minimum when dy/dx = 0
dy/dx = 2x - 2 :
When 2x - 2 = 0 then 2x = 2 : x = 1
Substituting in the equation gives y = 12 - (2 x 1) + 10 = 1 - 2 + 10 = 9.
-4 plus 10 equals 6.
If x equals 10 and y equals 10, then 9x plus 8y equals 170.
x=10
Minimum mark for 10 plus 2 is 80%.
12 + 10 + 11 equals 33
-10 plus 10 equals 0.
61
10 plus 10 equals 20 20 divide by 10 equals 2 2 plus 10 equals 12
10 + 10 + 10
A equals 4 because 4 plus 6 is 10 or 10 minus 6 is 4.
19 plus 10 equals 29.
49 plus 10 equals 59.