Answer:
55 +48i
Step-by-step explanation:
Complex numbers can be treated as though they were binomials with a variable "i". At the end, any instance of i² can be replaced by -1.
(8 +3i)² = 8² + 2(8)(3i) +(3i)² = 64 +48i -9
= 55 +48i
Answer:
1
Step-by-step explanation:
y=mx+c
m is the gradient/slope
y=1x
hence m=1
Hello!
Each time, there will be a 1/2 chance of tossing a head. Therefore, we multiply our two probabilities.
1/2(1/2)=1/4
Therefore, we have a 1/4 or 25% chance of tossing two heads in a row.
I hope this helps!
Footballs : basketballs = 2.5 : 1
(x 2)
footballs : basketballs = 5 : 2
⇒ basketballs : footballs = 2 : 5
Answer: <span>The ratio of basketballs to footballs is 5 : 2.</span>
