P(A/B) = P(A∩B) / P(B)
P(A/B) = (3/10) / (2/5) = 3/10 x 5/2 = 15/20 = 3/4
Answer: perimeter= 2m+22 units
Step-by-step explanation:
length= 2m+1
width= 10-m
p=2(l+b)= 2(2m+1+10-m)
p=2(m+11)
p=2m+22 units
Answer:
7
Step-by-step explanation:
Answer:
x = 100°
y = 125°
z = 55°
Step-by-step explanation:
A straight line is 180°
A triangle is 180°
Solve in this order:
X: 180 - 80 = 100
Z: 180 - 80 - 45 = 55
Y: 180 - 55 = 125
Difference, you usually subtract.
So, 130 - (-110) = 240 degrees