Answer:
It takes 3 seconds over the interval [0,3]
Step-by-step explanation:
To find when the roller coaster reaches the ground, find when d=0.
To solve divide each term by 16 and factor:
Solve for t by setting each factor to 0.
t-3=0 so t=3
t+3=0 so t=-3
This means the car is in the air from 0 to 3 second.
Answer:
a-2b= -1.6x-2.0
Step-by-step explanation:
<em><u>{By, substituting the values of a and b in a-2b , we can find the value of a-2b}</u></em>
Answer:
The percentage is 26.6%
Step-by-step explanation:
Here, we want to
work
out the percentage change
To do this, we use the percentage change formula
This is,
percentage change = new value-old value)/old value * 100%
= (100-78.98)/78.98 * 100%
21.02/78.98 * 100% = 26.6%
Answer:20
Step-by-step explanation:
range=highest number - lowest number
range=65-40
range=20
amount of interest = $2625
total value of the account = $6125