aylinchaidez134 aylinchaidez134
  • 03-02-2021
  • Mathematics
contestada

Find the value of x. Round to the nearest tenth.! PLEASE HELPP I’ve been stuck on it for HOURS!

Find the value of x Round to the nearest tenth PLEASE HELPP Ive been stuck on it for HOURS class=

Respuesta :

ggsj ggsj
  • 03-02-2021

Answer

63.2 degrees

Step-by-step explanation:

Using law of cosines:  19^2=8^2+14^2-2(8)(14) cos (x)

361=64+196-224 cos(x)

361=260-224cos(x)

101=224cos(x)

divide both sides by 224, which gets you (rounded to 4th decimal place) 0.4509. do inverse cos which gets you 63.2

Answer Link

Otras preguntas

Three times a number plus 12 minus 5 times the same number is 22. What is the number
Among fields such as​ accounting, finance,​ marketing, and​ others, which has undergone the most change because of technology in the past 5​ years
Give a full description of each of the following career fields; Design, Civil Technology and Sport
In developmental psychology, there is an increasing interest in researching cognitive changes that occur later in life. why
What is 7 nickels to 47 dimes
In the expression 12 + 7, the values on the right and left of the + symbol are called _____ .
If f(x) =1/2 [x] , what is f(7.6) •3 •3.5 •3.8 •4
Elise travels across thailand with her friends and, to her surprise, finds the country quite unlike the united states. "i hate the food," she tells her family a
A supersonic jet flying at 150 m/s is accelerated uniformly at the rate of 22m/s² for 20s.What is its final velocity(Also if you can please explain how to find
find the slope that goes through 10, 6 and 1, 5