Answer:
87
Step-by-step explanation:
Range= biggest value-smallest value
R=100-13
R=87
Answer:
7/5
Step-by-step explanation:
1 2/5, a mixed number, is equivalent to 7/5.
Answer: 8.5%
7/82=0.0853
Multiply by 100 to get percentage
0.0853 x 100 = 8.53
Answer: C
Step-by-step explanation:
1+2e^x+1=9
2e^x+1=9-1
e^x+1= 8/2
e^x+1 = 4
Here we can applicate the Ln:
ln e^x+1 = ln 4
Applicating the log property for exponent:
(x+1).ln e = ln 4
Ln e = 1, so:
x+1 = ln 4
x = ln 4-1
