Answer:
18.7
Step-by-step explanation:
The Law of Cosines is
, where c is the unknown side length of a triangle, a and b are the remaining two side lengths, and C is the angle opposite to side c. To answer this question just plug in the known values:

Simplify:



m≈18.665...
When rounded to the nearest tenth, m=18.7
Answer:
f = 16
Step-by-step explanation:
2 = f/8
Cross Multiplying, we get
f = 16
hope it helps!
Answer:
<em>a) g(-2) = 0</em>
<em>b) g(-1) =1</em>
<em>c) g(4) = 2</em>
Step-by-step explanation:
Given data



<u><em>Step( i )</em></u>:-

put x = -2

<em>g(-2) = 0</em>
<u><em>Step(ii)</em></u>:-

Put x = -1

<em>g(-1) =1</em>
<u><em>Step(iii)</em></u>:-

<em>g(4) = 2</em>
<em></em>
The Estimated total cost was $1564. Zara do not have eough money to buy the sofa and coffee table.
<h3>What is an
equation?</h3>
An equation is an expression that shows the relationship between two or more numbers and variables.
She wants to buy a sofa for $924 and a coffee table for $640, hence:
Estimated total cost = 924 + 640 = $1564
The Estimated total cost was $1564. Zara do not have eough money to buy the sofa and coffee table.
Find out more on equation at: brainly.com/question/1214333