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 happened to the guy who fell into an upholstery machine worksheet 7:12

PLZZZZZZZZZZZZZZZ HELP Actividad #3: Fill in the blank the following questions using the days of the week in Spanish. 1.Hoy (today) miércoles tengo que ir a la

which function describes this table of values?

what are the similarities between direct contamination or cross contamination

I am having difficulties solving this problem someone pls help.

Use arrow notation to write a rule that describes the translation of a point from {5,6} to {6,1}

write a statement about the american revolution from a patriots perspective

A quadratic function y=f(x) is plotted on a graph and the vertex of the parabola is (3,6). What is the vertex of the function defined as g(x)=f(x+5)?

I WILL GIVE BRIANLIEST lol pls help me.A jewelry artist is selling necklaces (n) and rings (r) at an art fair. It costs $135 to rent a booth at the fair. The co

What could you hypothesize if remote-sensing data showed abnormally high levels of the color of light reflected by chlorophyll coming from this area now, compar