shakirabreeding shakirabreeding

02-04-2018
Mathematics

contestada

The law of cosines a2+b2-2abcosC=c2. Find the value of 2abcosC.

The law of cosines a2b22abcosCc2 Find the value of 2abcosC class=

Respuesta :

sqdancefan sqdancefan

02-04-2018

2ab·cos(C) = a² +b² -c²
.. = 4² +3² -2²
.. = 16 +9 -4
.. = 21 . . . . . . . matches selection B

Answer Link

drrpepper drrpepper

26-10-2020

Answer:

b 21

Step-by-step explanation:

Answer Link

Otras preguntas

What was a main purpose of monasteries built by the Catholic Church?

What groups were excluded from this widening of political opportunity? Why?

Which pair of molecules both contain carbon atoms?

In their theories about government, Locke and Hobbes agreed that __________. a. citizens are not required to give up any individual rights c. citizens and their

A sample of helium gas is in a sealed, rigid container. What occurs as the temperature of the sample is increased?

Why are trees considered to be producers? A. they do not need food to survive in an ecosystem B. they depend on consumers to help them make their food C. they g

Explain why an addition problem that has a 4-digit addends could have a 5 digit sum.

Compare and contrast a series and parallel circuit. Give at least one way that they are alike and one way that they are different

how many feet does 5 yards equal

[tex]log_{8 x^{2} -23x+15}(2x-2) \leq 0[/tex]