What is the approximate slope of the west flank of the mid-Atlantic Ridge (measu

Question

What is the approximate slope of the west flank of the mid-Atlantic Ridge (measure the difference in ocean depth along the profile between about 2200 km and 3200 km distance and divide by the difference in distance, 3200-2200 or 1000 km. Be sure that both measurements, differences in depth, and distance, are in the same units, either km or m. The resulting number will be the slope expressed as a ratio. The slope can also be given as a percent or as an angle.

Approximate slope of the west side of the mid-Atlantic ridge:

MUST SHOW WORK

Explanation / Answer

y = a + bx,

b= (y-a)x

=(1000-(-9200) ) /300000

= 10200/3000000

=0.0034 slope

where, for the EAPS Hw assignments, y = distance in km, x = age in millions of years, and a and b are coefficients of the equation (a = the y-intercept and b = the slope of the line). (This equation is equivalent to the other form that you might remember, y = mx + b. In this form, b is the y-intercept and m is the slope.)

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