Find the value If a=4 b=7, and c=-5 3c
2 answers:
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Answer:
<h2> A. ¹²/₅</h2>Step-by-step explanation:
There is no solution for system of equations:
if:
so first, we we need to transform the equations to the form where the coefficients at y will be the same:
Now we have b₁=b₂ and c₁≠c₂ so the system has no solution if a₁=a₂
5k = 12
÷5 ÷5
k = ¹²/₅
Answer:
The correct option is C: I = 10⁸I₀.
Step-by-step explanation:
The function of the Richter scale is:
Since the magnitude of the earthquake is 8.0, the relation between the intensity, I, with the intensity of the threshold quake, Io, is:
Therefore, the correct option is C: I = 10⁸I₀.
I hope it helps you!
Answer:
n = 8
Step-by-step explanation:
-7n² = -448
=> n² = -448 / -7
=> n² = 64
=> n =
=> n = 8
Hope it helps :)
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