Answer:
width= 3.17
Step-by-step explanation:
Divide 38 (the area) by 12 (the width)
<span>3x + y = 9 (I)
</span><span>y = –4x + 10 (II)
------------------------
</span>
Pass the incognito "4x" to the first term, changing the signal when changing sides.
<span>-------------------------
simplify by (-1)
</span>
<span>
-------------------------
</span>
<span>
-------------------------
</span>
<span>
-----------
</span>
<span><span>
</span></span><span>Substitute in equation (I) to find the value of "Y".
</span>3x + y = 9 (I)
3*(1) + y = 9
3 + y = 9
y = 9 - 3
Answer:
Tan 40 = h / 20 where h = height of the pole.
h = 20 tan 40 = 16.78 feet
Answer:
PI is the the area around the circumfrance. It is equal to 3.14.
The answer is the second option, <ACE = <ECA.
This is because C is in the middle of both, so it's referring to the same angle. The other options are all comparing different angles, that aren't congruent, so they're incorrect.