Answer:
B
Step-by-step explanation:
Matrices are equal when they are of the same order and their corresponding entries are equal.
This is the case for the given matrix and matrix B
Answer:
C
Step-by-step explanation:
subtract and then divide
Answer:
-19.35
Step-by-step explanation:
Steps
7.45−24.45+74.17−76.52
−17+74.17−76.52
57.17−76.52
-19.35
Answer:
I think its graph 4
Step-by-step explanation:
Here we are finding x, given the angle and adjacent side. To find x we will use the function cos as cos = a/h.
So let's do cos(35°) = 15cm / x
cos(35°) = 0.8 (1 dp)
x = 15 cm / cos(35°)
x = 18.3 cm (1 dp)