Answer:
There are 2 possible answers
r=19
or
r=-37
Step-by-step explanation:
This can be written as:
a+27=4(15-a)
now to work it out
a+27=4(15-a)
a+27=60-4a
4a+27=60
4a=33
a=8.25
<span>hope this helps :)</span>
Answer:
thxfor free points
Step-by-step explanation:
Answer: x= 42.3
Step-by-step explanation:
Sqrt a^2 + b^2 - (2ab)(cos 100)
Sqrt 25^2 + 30^2 - (2)(25)(30)(cos 100)
42.3
