Answer:
See explanation
Step-by-step explanation:
The question is not properly presented; I will answer this with the following similar question.
--- 
--- 
Required
<u>Calculating h(-5)</u>
This implies that: x = -5
So, we make use of:
Substitute -5 for x
Take LCM
<u>Calculating h(2)</u>
This implies that: x = 2
So, we make use of:
Substitute 2 for x
<em>Use the above explanation to answer your question</em>
Answer:
127.17cm²
Step-by-step explanation:
Area of a semicircle: πr² ÷ 2
d = 18
r = 18/2 = 9
Area of a semicircle: 9²π ÷ 2 = 127.17cm²
Answer:
900
Step-by-step explanation:
perimeter: P = 2w + 2h
P = 2(20) + 2(25)
P = 40 + 50
P = 90
Multiply perimeter by 10:
90 × 10 = 900
Answer:
(a) 0.0001 or 0.01%
(b) 0.01 or 1%
Step-by-step explanation:
Since there are 10 possible numeric digits (from 0 to 9), and there is only one correct digit, there is a 1 in 10 change of getting each digit right.
The probability that if you forget your PIN, then you can guess the correct sequence
(a) at random:
(b) when you recall the first two digits.
