Answer:
Step-by-step explanation:
b - 7x = a - b....subtract b from both sides
-7x = a - b - b....combine like terms
-7x = a - 2b....divide both sides by -7
x = (a - 2b) / -7....or it could be written as x = -1/7a + 2/7b
Answer:
Step-by-step explanation:
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Answer:
The intensity of an earthquake with a magnitude of 2 is 100 times greater than the intensity of a standard earthquake.
Explanation:
The magnitude of earthquakes is given by


Where I is the intensity of earthquake and S is the intensity of standard earthquake.
The magnitude of standard earthquakes is given by

So comparing the magnitude of the given earthquake and standard earthquake,





which means that
times greater
Therefore, the intensity of an earthquake with a magnitude of 2 is 100 times greater than the intensity of a standard earthquake.
(0,4) and (3,-8) has segment of slope -8-4 / 3-0 = -12/3 = -4. y intercept is given to us as 4
equation is
y-4=-4(x) in point slope form
y+8=-4(x-3) using the other point
y=-4x+4 in slope intercept form
4x+y=4 in standard form