Answer:
a. 2.3 sec and 5 sec
Step-by-step explanation:
The graph is symmetrical about the time (t) that makes d=0. That makes the line of symmetry be ...
110/30 = t ≈ 3.67
This will be the average of the two times, so their sum is ...
t1 +t2 = 2×3.67 = 7.3
Only one answer choice has a sum of 7.3 seconds:
2.3 sec and 5 sec
Answer: Subtract 9 to equal to negative four
Step-by-step explanation:
Answer: 
Step-by-step explanation:
Given: The number of days Jonathan ran = 5
The most he ran in 1 day = 3.5 miles
Therefore, the maximum distance he ran in a week= 
Let x be the distance Jonathan could have rum in a week, such that
Hence, the required inequality is .
9^-2 = 1/81 or 0.0123
When there is a negative in front of the exponent it makes a fraction. It is usually just 1/the number it equals if it were positive.
