Answer:
3.27 seconds or 3 27/100
Step-by-step explanation:
31.37-28.1=3.27
Subtract her first time from the time she wants to achieve to get the amount of time she needs to drop to reach the goal.
-19/10
Answer: 4
P(x)= x3-5x2+cx+4
X-2 is a factor of p(x)
Let p(x)= 0
X-2=0
X=2
Substitute for x=2 in p(x)
0=2^3-5(2)^2+2c+4
0=8-5(4)+2c+4
0=8-20+2c+4
Collect like terms
-8+20-4=2c
8=2c
C=8/2
C=4
The value of C is 4
The answer would be 63
I hope this helps!