Answer:
32000 tonnes
Step-by-step explanation:
Given there was a 20% reduction last year from a total of 40000 tonnes .
20% /100% x 40000
0.2 x 40000
8000tonnes
Therefore, previous year’s excerpt = 40000 - 8000
32000tonnes
Answer:
b
Step-by-step explanation:
Answer:
39% decrease
Step-by-step explanation:
Answer:
-2
Step-by-step explanation:
We want to evaluate;

We use the reciprocals of trigonometric ratios to obtain;

The 960 degree angle makes an angle of 60 degree with the positive direction of the x-axis and it is in the 3rd quadrant.
This implies that;

We use special trigonometric ratios to obtain;

