Using the Law of Cosines, find angle B if a = 28.7, b = 31.5, and c = 11.6.

a. 152.9ø
b. 37.6ø
c. 92.9ø
d. 24.5ø
e. 139.2ø

c. 92.9ø

Mathematics

You might also like to view...

Solve the problem.A certain land area is 420,000 square miles, and it holds a population of 65.6 million people. Calculate the population density.

A. 640 people/mi2 B. 64 people/mi2 C. 156 people/mi2 D. 1562 people/mi2

View

Mathematics

Write the first four terms of the sequence.an =

A. a₁ = 1, a₂ = - , a₃ = , a₄ = -
B. a₁ = 1, a₂ = - , a₃ = , a₄ = -
C. a₁ = 1, a₂ = , a₃ = - , a₄ =
D. a₁ = -1, a₂ = , a₃ = - , a₄ =

View

Mathematics

Answer the following statement(s) true (T) or false (F)

Many of the NSF-funded curriculum materials were designed to support teacher learning along with student learning because the curriculum developers recognized that implementing their written curricula was not trivial.

View

Mathematics

Write the following in exponential form. Assume that all variables represent positive values.

A.
B. (2t - 8)^7/8
C. (2t - 8)^-7/8
D. (2t - 8)^8/7

View

Mathematics