Answer:
x =76.45 degrees
Step-by-step explanation:
72 + 252 – 2(7)(25)cos _x__=242
combine like terms
324-350cosx = 242
subtract 324 from each side
-350x = -82
divide by -350
cos x = -82/-350
cos x = 82/350
take the arccos of each side
arccos (cos x) = arccos (82/350)
x =76.45 degrees
Answer:
B
Step-by-step explanation:
Matches all specified equations.
12
since the difference of the first and third value is ten, each value is five more than the previous value
Answer: 2x
Step-by-step explanation: because 5+2-3=4
Answer:
NOPE, the surface area is bigger than the volume, the answer must be C
Step-by-step explanation:
18+18+36+36+72+72 = 252
