A division problem is unsolved, so it is an unknown factor until ithe problem is solved.
Answer:
1. Not accounting for the difference in the base of the exponent when applying the quotient rule.
2. Not subtracting the exponents of the denominator from the exponent of the numerator when applying the quotient rule.
Answer:
sin 77°
cos 49°
tan 22°
Step-by-step explanation:
use your calculator with trig functions to find the arcsin, arccos, and arctan
Answer:
I don't know if this helps, just a picture not a link
Answer:
The appropriate response is "0.9476".
Step-by-step explanation:
The given values are:
Standard deviation,

Randomly selected railroad-car shipments,
n = 500
As we know,
⇒ 
On substituting the values, we get
⇒ 
then,
⇒ 
⇒ 
On using the table of P, we get
⇒ 
⇒ 