Helen drives 195miles in 3 hours what is her average speed in mph
2 answers:
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Answer/Step-by-step explanation:
2. Using two pairs of values, (0, 59) and (2,000, 51),
3. The y-intercept is the value of y when x = 0. Thus, x = 0, when y = 59. Therefore,
y-intercept (b) = 59
4. To write an equation in slope-intercept form, simply substitute m = -¹/250, and b = 59, in
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5. Substitute x = 5,000 in .
At an altitude of 5,000 ft, temperature would be 39°F