Answer is i think c
I think C
Answer:
x=1
Step-by-step explanation:
4x-6= -2
+6=+6
<u>4x</u>=<u>4</u>
4 = 4
x= 1
Average= f(2)−f(0)/2−0
=62.5−250/ 2-0
<span>= −93.75</span>
Answer:
b² = a² + c² - 2ac cos B
Step-by-step explanation:
The cosine rule can be use when you are given three sides of a triangle and ask to find any angle or when you are given two sides and a included angles(the angle between the two sides given) and ask to find the length of a side.
The equation Sophia can use to solve for the side length(b) of a triangle when given two length and the included angle can be expressed below. Sophia was given two sides and an included angle and was asked to find a side length b.
For sides a, b and c the cosine rule can be represented below
a² = b² + c² - 2bc cos A
b² = a² + c² - 2ac cos B
c² = a² + b² - 2ab cos C
The equation required base on your question is
b² = a² + c² - 2ac cos B
Answer: 20
Step-by-step explanation:
