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O MI Pre: Algebra Section 2-SX Savvas Realize
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53: MathXL for School Practice & Problem Solving
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(X) 53 PS 8
Hier's Elevation
A
3.000
Hiking The scatter plot shows a hiker's elevation above sea level during a hike
from the base to the top of a mountain. The equation of a trend line for the
hiker's elevation is y = 7.91x + 623, where x represents the number of minutes
and y represents the hiker's elevation in feet. Use the equation of the trend line
to estimate the hiker's elevation after 145 minutes,
1.500-
150
Time minutes
After 145 minutes, the hiker's elevation will be about feet above sea level.
(Round to the nearest whole number as needed.)
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vo
VO
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(1,1)
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