Answer:
10/3
Step-by-step explanation:
-1(6h + 7) = -6h - 7
-6h - 7 + 8 = -6h + 1
-6h + 1 = -19
-1 -1 <em>- Subtract 1 from both sides.</em>
-6h = -20
-6 -6<em> - Divide both sides by negative 6</em>
h = 10/3
So to put them in intervals of 5 you would have:
70-74
75-79
80-84
85-89
90-94
95-99
In these intervals you would have:
70-74: 72
75-79: 78
80-84: 81
85-89: 86, 86, 87
90-94: 92, 92, 92
95-99: 98
The second interval is 75-79 where there is only one number. Therefore the frequency will be 1.
The correct answer is A. Hope this helps! :)
8/12 is .67, when rounded. In order to find her percentage, multiply .67 by 100 to get it. She got 66.7%, when rounded, on the test.
If you wanted to calculate it, there it is:
Answer: 1.43 h
Step-by-step explanation:
Velocity is 
is defined as the change in position (displacement) 
of an object in a specific time 
:
Where:
is the car's velocity
is the distance the winner car traveled
is the time
Isolating :
Solving with the given information:
This is the winner's time
