Answer:
Holden's seed is 40 miles per hour
Step-by-step explanation:
The given parameters are;
The distance Holden drove = 110 miles
The time duration in which Holden drove = 2 and 3/4 hours = 11/4 hours = 2.75 hours
Therefore, Holden's speed, s, can be found from the relationship;
Speed, s = Distance/time = 110 miles/(11/4 hours) = 40 miles per hour
Holden's seed = 40 miles per hour.
The answer is B.
x² + 7x + 10 factors into (x + 2)(x + 5), so x = -2 and x = -5. Since the y-intercepts of the graph are also -2 and -5, you know that the function correlates to that graph.
The 9th percentile of the bill amounts is 81.0634.
<h3>
How to calculate the percentile?</h3>
Population mean, µ = 110.56
Population standard deviation, σ = 22
a) p = 0.09
Z score at p = 0.09 using excel = NORM.S.INV(0.09) = -1.3408
Value of X = µ + z*σ = 110.56 + (-1.3408)*22 = 81.0634
9th percentile = 81.0634
b) p = 0.66
Z score at p = 0.66 using excel = NORM.S.INV(0.66) = 0.4125
Value of X = µ + z*σ = 110.56 + (0.4125)*22 = 119.6342
66th percentile = 119.6342
c) Median = 0.50
Z score at p = 0.5 using excel = NORM.S.INV(0.5) = 0
Value of X = µ + z*σ = 110.56 + (0)*22 = 110.56
Median = 110.56
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