Answer:
x = (4r +3)/(r +2)
Step-by-step explanation:
Collect x terms, then divide by the coefficient of x.
x(r +2) = 4r +3
x = (4r +3)/(r +2)
Answer:

Step-by-step explanation:
we know that
If BD bisects angle ABC
then
m∠ABD=m∠DBC
substitute the given values

Solve for x



If you have
2 KNOWN sides & 1 Angle ;
Use Cosine Rule
If you have 3 KNOWN sides,
Also Cosine Rule
If you have
2 KNOWN angles & 1 side,
Use SINE rule
If it's a right-angled triangle, use SOH CAH TOA
Hopefully this helps
Answering is 20:
Step-by-step explanation:
Because it takes her 5 min for a half of mile so add it up and you get 20
Answer:
X = [-8, 8] + 5/7·([-15, -13] - [-8, 8]) = [-13, -7]