ericfin1967 ericfin1967

08-04-2018
Mathematics

contestada

Use the Law of Cosines to find the value of cos theta.

A) -0.72
B) 0.29
C) 0.78
D) 0.38

Use the Law of Cosines to find the value of cos theta A 072 B 029 C 078 D 038 class=

Respuesta :

08-04-2018

Cos(theta)= (10^2 + 15.2^2 + 14.7^2)/ 2 x 10 x 15.2
= (100+231.04+216.09)/304
=547.13/304
=1.7998

Answer Link

Otras preguntas

add [1 -4 3 5]+[-2 6 -2 4]

The Constitution gives Congress the power to create federal courts

A student places a magnet into a box of paper clips. When she lifts the magnet, some of the paper clips are pulled out of the box. However, some of the clips re

evidence of wave theory light

Find how long it takes a $1,500.00 investment to earn $220.00 in interest if it is invested at 8% compounded monthly

Plzzzz help 1) Given f(x)=x+4 and g(x)=12x-6, what is f(3)+g(-1)? A.) 22 B.) 33 C.) -11 D.) 11 2) what is f(x).g(x) if f(x)= 2x+3 and g(x)=4x? A) 6x+3 B) 6x^2+1

Plz help me with this

Objects in renaissance natural painting were shown in?

All organisms in kingdom Animalia are multi cellular, meaning their bodies are composed of more than one cell. which other characteristic is common to organis

A student rides a bike 2 hours from school to home , making stops along the way. What is the average speed that the student is traveling