Answer:
400
1.05
Step-by-step explanation:
<span>he range if -5 ≤ y ≤ 5.
The period is 2π/(π/2) = 4.
The graph passes through (0, 0), has a maximum at (1, 5), crosses the x-axis at (2, 0), then has a minimum at (3. -5), and crosses the x-axis again at (4, 0). </span><span>
</span>
Answer:
6%
Step-by-step explanation:
Decrease in value = 125 000 - 117 500
= 7500
Percentage decrease = (7500 ÷ 125 000) × 100
= 6%
Part (a):




Part (b):

So if 1000 students make up 68% of the total student body, then there are

total students. You then have

as the proportion of students scoring between 500 and 600. Of the 1471 or so students, this amounts to about 563 students.