Answer:
4
Step-by-step explanation:
- 14 + 30 / 4
16 / 4
16 ÷ 4
= 4
^-^
-2×7=-14
-2×15=-30
-14--30=16
16÷4=4
y = 4 when x = 8 So, 4 = 8k
k = 1/2
y = (1/2)x
Therefore, when x = 10, y = (1/2)(10) = 5
yt
When is cos (x) = 0? <em>at 90° (aka π/2)</em>
