0.77(13.50×40)= 415.8
The answer is $415.8
Hope this helps :)
$70 = 270 min
x = 1260 min
Where x is the charge of phone service per 1260 min.
Cross multiply:
1260 * 70 = 270 * x
88200 = 270x
88200/270 = x
x = 326.67
The total charge of cellular phone service for 1260 min is $326.67
Q: What is the value of the upper quartile?
A: C 9
Hope this helps!!!
Step-by-step explanation:
cot²x − cot x − 42
(cot x − 7) (cot x + 6)
