Units are important because they are the labels.
Answer:
12 + -4i
Step-by-step explanation:
14 * (-2i + 6)
-2i (2 + 6i) = -2i * 2 + - 2i * 6i
= -4i - 12i to the power of 2 since (i2 = -1)
= 4i + 12
+12-4i
i's of the form at i6
A=12 and b = -4
Check the picture below
fencing is the perimeter, or circumference
the available space is the area
Answer:
11
Step-by-step explanation:
Substitute 3 for b
23 - 4(3)
Multiply 4(3) = 12
23 - 12
Subtract
23 - 12 = 11
Answer:
85 m.
Step-by-step explanation:
Use Pythagoras Theorem:
x^2 = 51^2 + 68^2
= 7225
x = √7225
= 85