Find N(4) for the function, N(u) = 4.
1 answer:
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Answer:
11) c = 16.1
12) c = 11.4
Step-by-step explanation:
11)
a² + b² = c²
8² + 14² = c²
64 + 196 = c²
c² = 260
c = 16.1
12)
a² + b² = c²
7² + 9² = c²
49 + 81 = c²
c² = 130
c = 11.4
Answer:
53
Step-by-step explanation:
Given: The sum of two digit number is 8
Reversing the digit will get us number 18 less than the original.
Lets take x as tenth digit of our number and y as unit digit of our number.
As given sum of digit is 8
∴
∴ - equation 1
We also know that reversing the digit will get us number 18 less than the original.
∴
Now, lets put the value of y from equation 1
⇒
⇒
⇒
∴
Next, substituting the value of x in equation 1
⇒
∴
∴ The original number is 53, sum of the digit is 8 and if we reverse the digit of the number, we get 35, which is 18 less than the original number.