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

Which phrase best describes cellular respiration? A. the process where energy from food is used by the cell B. the process where water molecules move across a m

8√8 can be written in the form 8∧k , Find the value of k??? 8√8 can also be expressed in the form m√ 2 where m is a positive integer , Find the value of m? rat

(x-4)/(y+2)=5 how do i solve this?

What did Napoleon do to bring back order in France?

The smallest bacterium is 0.2 micrometers across, while the giant amoeba Chaos chaos is 1000 micrometers across. How many times larger is the giant amoeba than

What is the answer to 17=5k-2

the lawn order lawnmower factory can produce 12 lawnmowers in 8 hours . How many hours will take the factory to produce 30 lawnmowers?

What do the Mexicans build to honor their deceased relatives?

i need help with math 1010completing the squarex^2-9x=10

Explain why the graph y < X cannot lie in quadrant II