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

Plant cells undergo a process called photosy thesis, which uses sunlight to make sugar. Which need does photosynthesis fulfill for plant
When a country’s economy is not doing well, many of its citizens may experience a severe shortage of food. This is known as a… A. GDP B. Drought C. Famine D. Su
Where did the majority of people originate from?
Q8 The midpoint of GH is M (2,2). One endpoint is H (1,9). Find the coordinates of endpoint G.
6x^2 + 9x = 0 :) please help !!
Tonya consumes 40 steaks a year when her yearly income is $40,000. After her income falls to $35,000 a year, she consumes only 35 steaks a year. Calculate her i
Solve for 6x+3x-4=32 and find what is 2x
Express in scientific notation. 1.24 x 10^6/ 6.2 x 10^-3
How fast must an object move before its length appears to be contracted to one-fourth its proper length? (Give your answer in terms of c.)
5(X^2)(y^3)+15(x^3)(y^2)