Answer:
a*n=area
Step-by-step explanation:
<b and the angle 79 degrees are exterior alternate angles which are equal
b = 79 degrees.
Answer:
5.401×10^-1
Step-by-step explanation:
You move the decimal over one to get5.401×10^−1
Answer:
2 ± i
Step-by-step explanation:
by 5, I assume you mean +5
x² - 4x + 5 = 0
x = (-b±(√(b²-4ac)) / 2a
x = (4 ± (√(16 - 20)) / 2
x = (4 ± (√(-4)) / 2
√-4 = √4√-1 which is 2i
x = (4 ± 2i) / 2
x = 2 ± i