Answer:
1) 13 Students were surveyed
2) 3 students
3) 7 Students
4) 10 Books
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Let
x-----> the measure of the angle formed by the wooden fence and grass
we know that
in a right triangle
tan x=opposite side angle x/adjacent side angle x
opposite side angle x=13 ft
adjacent side angle x=21 ft
so
tan x=13/21x=arc tan (13/21)-----> x=31.76°------> x=32°
the answer is
32 degrees
Answer:
Step-by-step explanation:
We have:
<em> subtract 7a from both sides</em>
<em>add 3 to both sides</em>
-4x - 8 > -20
Add 8 to both sides
- 4x > -12
Divide both sides by -4
**When you divide by a negative you must change the direction of the inequality sign**
x < 3
Letter C
