Is it trigonometry because it has 13 letters
Answer:
10 pages
Step-by-step explanation:
386/42=9.1 pages
but you can not have .1 of a page so you add another page.
140 words divided by 4 minutes = 35 words per minute
Answer:
the angles s and r are supplementary so 180 - 40 = 140
Step-by-step explanation:
Answer:

Step-by-step explanation:
The given cylindrical equation is

Multiply both sides by r.
.... (1)
The required formulas are

Substitute
in equation (1).


Add 1 on both sides.

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It is the equation of a circle centered at (0,1) with radius 1.
Therefore, the equation in rectangular coordinates is
.