Answer:



Step-by-step explanation:
step 1
Find the length side a
Applying the law of cosines

substitute the given values



step 2
Find the measure of angle B
Applying the law of sines

substitute the given values



step 3
Find the measure of angle C
Remember that the sum of the interior angles in any triangle must be equal to 180 degrees
so

substitute the given values



So if in 2 hours you drove 80 miles the in 1 hour you have to have driven 40 miles (80m/2h)
so you have to divide the 1200 miles by the 40mph to find out how many hours the trip will take (1200m/40mph=30h)
Answer:
50
Step-by-step explanation:
could i have brainliest plz i need one more thx
Answer:
10x -11
Step-by-step explanation:
SX =SM + MX
= 6x-3 + 4x-8
Combine like terms
= 10x -11
Answer:
x
=
5
√
2
+4
, −
5
√
2
+
4
Step-by-step explanation: