gabbylynn24
gabbylynn24
17-04-2017
Mathematics
contestada
law of cosine find m<B a=11 b=12 c=17
Respuesta :
wolf1728
wolf1728
17-04-2017
cos (B) = (a^2 + c^2 -b^2) / (2 * a * c)
cos (B) = (11^2 +17^2 -12^2) / (2 * 11 * 17)
cos (B) = (121 + 289 -144) / (374)
cos (B) = 266 / 374
cos (B) =
0.7112299465
Angle B =
44.665 degrees
Answer Link
VER TODAS LAS RESPUESTAS ( 12+ )
Otras preguntas
Insert parentheses in Expression 2 so that it has a value of 10. Then show why your expression has a value of 10. Expression 2 9+3*5÷2+4
There are exactly five rows with two primes in them. Which rows are these? possible answers a. 3, 5, 7, 8, and 9 b. 2, 4, 6, 7, and 9 c. 3, 4, 6, 7, and 9 d. 1
Chelsea made 15 of the 28 recipes she downloaded from the Internet. What percent of the recipes did she make?
Vinny is interviewing for a job. He wants his take-home pay to be atleast $42,000. What is the least salary he can earn if he pays 25% income tax?
Though the aztecs held the most powerful empire in central america, which spanish advantage contributed to the aztecsâ defeat
Barrie had stamps he gave 1/8 of them to tom if he gave 15 stamps to tom how many stamps did Barrie have at first
which of the following factors was a major cause of the genocide committed by the Nazis against jewish people? From ape
What is the simplified form of the quantity y−squared minus y minus 12 over the quantity y−squared plus 8y plus 15? PLEASE EXTRA POINTS
8. Find the congruence transformation that maps ∆ABC to ∆A’B’C’. Explain your reasoning
Joyce is trying to solve the equation y = x2 − 8x + 7 using the quadratic formula. She has made an error in one of the steps below. Find the step where Joyce we
