Answer:
38°
Step-by-step explanation:
Using the Cosine rule in Δ ABC
cos A = 
where a, b and c are the sides of the triangle.
Here a = 5, b = 3 and c = 7 , thus
cos A =
=
=
, thus
∠ A =
(
) ≈ 38°
Answer: 30, 39, 48, 57, 65, 75 84, is your answer!!!.......................
Step-by-step explanation:just add 9 each time
(4,7)(0,7)
notice how ur points have the same y values....this means this is a horizontal line with a slope of 0.
equation is : y = 7...or y = 0x + 7...but we need it in standard form...
0x + y = 7 <== standard form
Answer:
I THINK it's A
Step-by-step explanation: