Answer:
22.5%
Step-by-step explanation:
We know that
Limacons are in the form
r=a(+-)b*sin (theta) or r=a(+-)b*cos (theta)
in this problem
r=a(+-)b*sin (theta)
so
is symmetric to y axis
a=1/2
b=1/2
a/b=1---------> Cardioid (hearth shaped)
see the attached figure
the answer is the option
<span>
A. Cardioid </span>
Answer:
20
Step-by-step explanation:
420-400=20
17/8 -11/3
51/24-88/24
-37/24 simplified is -1 13/24