Answer:
Step-by-step explanation:
f(x)=25-x^2 and g(x)=x+5
We need to find (f/g)(x)
(f/g)(x) = f(x)/ g(x)
we divide f(x) by g(x) and then we simplify
WE factor 25-x^2
25-x^2 = 5^2 - x^2 = (5-x)(5+x)
5+x or x+5 are same , so we cancel out x+5
Assume that you are taking a seven-question true or false quiz.
1 answer:
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Answer:
10¹⁸ ergs
Step-by-step explanation:
From the question,
Using the expression
M = log(E/10¹³)................. Equation 1
Where M = Richter magnitude of earth quake, E = Energy released in ergs.
Given: M = 4.0
Substitute into equation 1 amd solve for E
4 = log(E/10¹³)
Log(E/10¹³) = (4×5)/4
Log(E/10¹³) = 5
E/10¹³ = 10⁵
E = 10⁵×10¹³
E = 10⁵⁺¹³
E = 10¹⁸ ergs