Answer is in the sheet, hope this helps!
Answer:
13/18
Step-by-step explanation:
- 6.5 · 1/9 = 6 5/10 · 1/9
- 6 5/10 · 1/9 = 6 1/2 · 1/9
- 6 1/2 · 1/9 = 13/2 · 1/9
- 13/2 · 1/9 = 13/18
Therefore, 6.5 · 1/9 = 13/18.
Answer:

Step-by-step explanation:
Given


Required
Represent as an equation;

Expand the above

<em>Recall that b = $10 ----given</em>
becomes


Use the chain rule.
Let u = 25sin²(x), such that dy/dx = dy/du · du/dx


Triangles with a 90 degree angle. We use the sine, cosine and tangent functions to determine the missing angles and sides.