For matrix subtraction, you subtract the corresponding cell of the second matrix from the first. So, looking at the first spot, you have 4 (from the first matrix) - 4 (from the second matrix) = 0 (the first number in the output matrix). Continuing that for the next spot, -4 - -3 = -4 + 3 = -1. Finally, -2 - 5 = -7. This means your answer is [0 -1 -7].
Answer:
B
Step-by-step explanation:
y=sec(x+pi/2)
Took the test on e2020
A. 81
b. no entiendo la pregunta
c. 32
d. 64
e. 81
f. 1000
Hey there! :D
Since the sides are equal in length, we know this is an isosceles triangle. It will have two equal angles.
We already know the vertex is 80 degrees, so the bottom two angles will be equal in measure. All angles in a triangle equal 180 degrees
180-80= 100
100/2= 50
x= 50
I hope this helps!
~kaikers
18/21 in simplest form would be 6/7
