Answer:
3
Step-by-step explanation:
Each of the lines lengths multiply by 3.
A= a+b over 2 times height
18 + 8 = 26
26 divide by 2 = 13
13 x 6 = 78
area is 78
Answer:
Probability of getting at least 9 out of 18 correctly is 0.0043
Step-by-step explanation:
We have
n = 18
p = 1/5 for correct answer
q = 4/5 for wrong answer
P( 9
X
18) = 1 - P(0
X
8)
= 1 - 0.9957
=0.0043
Answer: x = 6
Step-by-step explanation: 2x - 5 = 7
+ 5 +5
2x/2 = 12/2
x = 6