Answer:
C 10 columns and 12 rows
Step-by-step explanation:
c = columns
r = rows
5c + 5c = 10c
6r + 6r = 12r
10 columns and 12 rows
The answer is C
Answer:
Step-by-step explanation:
Using vector method to solve it
Resultant can be given by


R=671.12 Km/hr
The angle made by resultant with 700 km/hr is 
using sine rule



Answer:
Step-by-step explanation:
Given
Equations are
and 
take 

Put the value of y in another equation

Put the value of x in y

Hence,
Answer:
Last choice
D. Iliana will have $580.00, the most money for the bike.
Step-by-step explanation:
I took the test and made sure that it's right.
Answer:
About 3 years Speedy Jet printers be guaranteed.
Step-by-step explanation:
Given : Quality control studies for Speedy Jet Computer Printers show the lifetime of the printer follows a normal distribution with
mean
and standard deviation 
If the company wishes to replace no more than 10% of the printers.
To find : How long should Speedy Jet printers be guaranteed ?
Solution :
Using Z- table,
Z value corresponding to 10% or 0.10 = -1.28.
Applying z-score formula,

The value of x is given by,

Substitute the values,



So, approx 3 years.
Therefore, About 3 years Speedy Jet printers be guaranteed.