Provide an appropriate response.State whether the following situation represents direct variation, inverse variation, or neither, and explain why: A runner's speed in a race and the time that it takes to run the race.
What will be an ideal response?
Inverse variation; the greater the speed, the shorter the time.
Mathematics
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Use the properties of summation notation to find the sum.
A. - 196 B. - 231 C. - 147 D. 259
Mathematics
Solve the problem.The logistic growth model 
represents the population of a species introduced into a new territory after t years. When will the population be 80?
A. 10.74 yr B. 0.1 yr C. 3.48 yr D. 14.12 yr
Mathematics
Solve the equation.5x2 - 6x + 7 = x + 1
A. 
± 
i
B. 
± 
i
C. - 
± 
i
D. 
± 
Mathematics
Use "intersect" on a graphing calculator to solve the system. Round the coordinates of the solution to the second decimal place. If the system is inconsistent or dependent, say so.y = 5.63x + 3.03y = -0.72x - 6.91
A. (-0.83, -4.25) B. (-1.57, -5.78) C. (-2.63, -5.21) D. (-1.36, -7.32)
Mathematics